/* ========================
   COMPONENTS — Reusable UI pieces, BEM naming, M3 tokens
   ======================== */

/* ---- Theme Toggle (small circle button in header) ---- */
.theme-toggle {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--md-icon-button-size);
  height: var(--md-icon-button-size);
  border: none;
  border-radius: var(--md-shape-full);
  background: none;
  color: var(--md-on-surface-variant);
  cursor: pointer;
  transition: background-color var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.theme-toggle:hover {
  background-color: var(--md-surface-container-high);
}

.theme-toggle__sun,
.theme-toggle__moon {
  position: absolute;
  font-size: var(--md-icon-size-medium);
  transition: opacity var(--md-motion-duration-medium) var(--md-motion-easing-standard),
              transform var(--md-motion-duration-medium) var(--md-motion-easing-standard);
}

.theme-toggle__sun {
  opacity: 1;
  transform: rotate(0deg);
}

.theme-toggle__moon {
  opacity: 0;
  transform: rotate(90deg);
}

[data-theme="light"] .theme-toggle__sun {
  opacity: 0;
  transform: rotate(-90deg);
}

[data-theme="light"] .theme-toggle__moon {
  opacity: 1;
  transform: rotate(0deg);
}

/* ---- Button (M3 Filled Button) ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--md-spacing-2);
  height: var(--md-button-height-medium);
  padding: var(--md-button-padding-y-medium) var(--md-button-padding-x-medium);
  border: none;
  border-radius: var(--md-shape-full);
  font-size: var(--md-label-large-size);
  font-weight: var(--md-label-large-weight);
  line-height: var(--md-label-large-line);
  cursor: pointer;
  transition: background-color var(--md-motion-duration-short) var(--md-motion-easing-standard),
              box-shadow var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

/* Size icons inside buttons to match button height */
.btn .material-symbols-outlined {
  font-size: var(--md-label-large-line);
}

.btn--primary {
  background-color: var(--md-primary);
  color: var(--md-on-primary);
}

.btn--primary:hover {
  box-shadow: var(--md-elevation-1);
  filter: brightness(1.1);
}

/* M3 Outlined Button */
.btn--outlined {
  background-color: transparent;
  color: var(--md-primary);
  border: var(--md-divider-thickness) solid var(--md-outline);
  padding: calc(var(--md-button-padding-y-medium) - var(--md-divider-thickness)) calc(var(--md-button-padding-x-medium) - var(--md-divider-thickness));
}

.btn--outlined:hover {
  background-color: var(--md-surface-container-high);
}

.btn--text {
  background-color: transparent;
  color: var(--md-primary);
  border: none;
  padding: var(--md-spacing-2) var(--md-spacing-3);
}

.btn--text:hover {
  background-color: var(--md-surface-container-high);
}

.btn--text:disabled {
  color: var(--md-on-surface-variant);
  background-color: transparent;
}

/* ---- Hero Section ---- */
.hero {
  text-align: center;
  padding: 0 0 var(--md-spacing-10) 0;
}

.hero__title {
  font-size: var(--md-display-medium-size);
  line-height: var(--md-display-medium-line);
  font-weight: var(--md-display-medium-weight);
  color: var(--md-primary);
  margin-bottom: var(--md-spacing-4);
}

.hero__subtitle {
  font-size: var(--md-body-large-size);
  line-height: var(--md-body-large-line);
  color: var(--md-on-surface-variant);
}

.hero > div > .card {
  min-height: var(--md-hero-card-height);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--md-spacing-10);
}

.hero > div > .card > .card__actions {
  justify-content: flex-end;
}

/* Hero card inner grid (text + image side-by-side) */
.hero-card__grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--md-spacing-6);
  align-items: stretch;
  margin-bottom: var(--md-spacing-10);
}

/* Hero card image container */
.hero-card__image {
  overflow: hidden;
  border-radius: var(--md-shape-medium);
  border: var(--md-divider-thickness) solid var(--md-outline-variant);
  background-color: var(--md-surface);
  max-height: clamp(120px, 15vw, 200px);
  align-self: start;
}

.hero-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}


/* ---- M3 Card (Filled) ---- */
.card {
  background-color: var(--md-surface-container-high);
  border-radius: var(--md-shape-medium);
  padding: var(--md-spacing-5);
  transition: box-shadow var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.card:hover {
  box-shadow: var(--md-elevation-1);
}

.card--outlined {
  background-color: var(--md-surface);
  border: var(--md-divider-thickness) solid var(--md-outline-variant);
}

.card--elevated {
  background-color: var(--md-surface-container-low);
  box-shadow: var(--md-elevation-1);
}

.card--elevated:hover {
  box-shadow: var(--md-elevation-2);
}

.card__title {
  font-size: var(--md-title-large-size);
  line-height: var(--md-title-large-line);
  font-weight: var(--md-title-large-weight);
  color: var(--md-on-surface);
  margin-bottom: var(--md-spacing-2);
}

.card__subtitle {
  font-size: var(--md-body-medium-size);
  line-height: var(--md-body-medium-line);
  color: var(--md-on-surface-variant);
  margin-bottom: var(--md-spacing-4);
}

.card__actions {
  display: flex;
  gap: var(--md-spacing-2);
  margin-top: var(--md-spacing-4);
}

/* ---- M3 Chip ---- */
.chip {
  display: inline-flex;
  align-items: center;
  height: var(--md-button-height-small);
  padding: 0 var(--md-spacing-4);
  border-radius: var(--md-shape-small);
  font-size: var(--md-label-large-size);
  font-weight: var(--md-label-large-weight);
  line-height: var(--md-label-large-line);
  border: var(--md-divider-thickness) solid var(--md-outline);
  color: var(--md-on-surface-variant);
  background-color: transparent;
  cursor: pointer;
  transition: background-color var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.chip:hover {
  background-color: var(--md-surface-container-high);
}

.chip--selected {
  background-color: var(--md-secondary-container);
  color: var(--md-on-secondary-container);
  border-color: transparent;
}

/* ---- M3 FAB (Floating Action Button) ---- */
.fab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--md-fab-size-medium);
  height: var(--md-fab-size-medium);
  border-radius: var(--md-shape-large);
  border: none;
  background-color: var(--md-primary-container);
  color: var(--md-on-primary-container);
  font-size: var(--md-icon-size-medium);
  cursor: pointer;
  box-shadow: var(--md-elevation-3);
  transition: box-shadow var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.fab:hover {
  box-shadow: var(--md-elevation-4);
}

.fab--small {
  width: var(--md-fab-size-small);
  height: var(--md-fab-size-small);
  border-radius: var(--md-shape-medium);
  font-size: var(--md-icon-size-small);
}

.fab--large {
  width: var(--md-fab-size-large);
  height: var(--md-fab-size-large);
  border-radius: var(--md-shape-extra-large);
  font-size: var(--md-icon-size-large);
}

/* ---- M3 Text Field ---- */
.text-field {
  position: relative;
  margin-bottom: var(--md-spacing-4);
}

.text-field__input {
  width: 100%;
  padding: var(--md-spacing-6) var(--md-spacing-4) var(--md-spacing-2) var(--md-spacing-4);
  background-color: var(--md-surface-container-highest);
  border: none;
  border-bottom: var(--md-divider-thickness) solid var(--md-on-surface-variant);
  border-radius: var(--md-shape-extra-small) var(--md-shape-extra-small) 0 0;
  color: var(--md-on-surface);
  font-size: var(--md-body-large-size);
  line-height: 1.5;
  outline: none;
  transition: border-color var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.text-field__input:focus {
  border-bottom-width: calc(var(--md-divider-thickness) * 2);
  border-bottom-color: var(--md-primary);
  padding-bottom: calc(var(--md-spacing-2) - var(--md-divider-thickness));
}

.text-field__label {
  position: absolute;
  top: var(--md-spacing-4);
  left: var(--md-spacing-4);
  font-size: var(--md-body-large-size);
  color: var(--md-on-surface-variant);
  pointer-events: none;
  transition:
    top var(--md-motion-duration-short) var(--md-motion-easing-standard),
    font-size var(--md-motion-duration-short) var(--md-motion-easing-standard),
    color var(--md-motion-duration-short) var(--md-motion-easing-standard);
  transform-origin: left top;
}

/* Floating label when focused or has value */
.text-field__input:focus ~ .text-field__label,
.text-field__input:not(:placeholder-shown) ~ .text-field__label {
  top: var(--md-spacing-1);
  font-size: var(--md-body-small-size);
  color: var(--md-primary);
}

/* When not focused but has value, use on-surface-variant color */
.text-field__input:not(:focus):not(:placeholder-shown) ~ .text-field__label {
  color: var(--md-on-surface-variant);
}

/* M3 Outlined Text Field */
.text-field--outlined {
  margin-top: var(--md-spacing-2);
}

.text-field--outlined .text-field__input {
  background-color: transparent;
  border: var(--md-divider-thickness) solid var(--md-outline);
  border-radius: var(--md-shape-extra-small);
  padding: var(--md-spacing-4) var(--md-spacing-4);
}

.text-field--outlined .text-field__input:focus {
  border-color: var(--md-primary);
  border-width: calc(var(--md-divider-thickness) * 2);
  padding: 15px calc(var(--md-spacing-4) - var(--md-divider-thickness));
}

.text-field--outlined .text-field__label {
  top: var(--md-spacing-4);
  background-color: var(--md-surface);
  padding: 0 var(--md-spacing-1);
  left: calc(var(--md-spacing-4) - var(--md-spacing-1));
}

/* Floating label for outlined variant */
.text-field--outlined .text-field__input:focus ~ .text-field__label,
.text-field--outlined .text-field__input:not(:placeholder-shown) ~ .text-field__label {
  top: var(--md-label-offset);
  font-size: var(--md-body-small-size);
  color: var(--md-primary);
}

/* When not focused but has value, use on-surface-variant color */
.text-field--outlined .text-field__input:not(:focus):not(:placeholder-shown) ~ .text-field__label {
  color: var(--md-on-surface-variant);
}

/* ---- M3 Badge ---- */
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: var(--md-spacing-4);
  height: var(--md-spacing-4);
  padding: 0 var(--md-spacing-1);
  border-radius: var(--md-shape-full);
  background-color: var(--md-error);
  color: var(--md-on-error);
  font-size: var(--md-label-small-size);
  font-weight: var(--md-label-small-weight);
}

.badge--large {
  min-width: var(--md-icon-size-medium);
  height: var(--md-icon-size-medium);
  padding: 0 var(--md-spacing-2);
}

.badge--count {
  background-color: var(--md-secondary-container);
  color: var(--md-on-secondary-container);
}

/* ---- M3 Divider ---- */
.divider {
  border: none;
  height: var(--md-divider-thickness);
  background-color: var(--md-outline-variant);
  margin: var(--md-spacing-4) 0;
}

/* ---- M3 Switch ---- */
.switch {
  position: relative;
  display: inline-block;
  width: var(--md-switch-width);
  height: var(--md-button-height-small);
}

.switch__input {
  opacity: 0;
  width: 0;
  height: 0;
}

.switch__track {
  position: absolute;
  inset: 0;
  background-color: var(--md-surface-container-highest);
  border: calc(var(--md-divider-thickness) * 2) solid var(--md-outline);
  border-radius: var(--md-shape-full);
  cursor: pointer;
  transition: background-color var(--md-motion-duration-short) var(--md-motion-easing-standard),
              border-color var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.switch__track::before {
  content: '';
  position: absolute;
  width: var(--md-spacing-4);
  height: var(--md-spacing-4);
  left: calc(var(--md-spacing-2) - calc(var(--md-divider-thickness) * 2));
  top: 50%;
  transform: translateY(-50%);
  background-color: var(--md-outline);
  border-radius: var(--md-shape-full);
  transition: transform var(--md-motion-duration-short) var(--md-motion-easing-standard),
              width var(--md-motion-duration-short) var(--md-motion-easing-standard),
              background-color var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.switch__input:checked + .switch__track {
  background-color: var(--md-primary);
  border-color: var(--md-primary);
}

.switch__input:checked + .switch__track::before {
  transform: translateY(-50%) translateX(18px);
  width: var(--md-icon-size-medium);
  height: var(--md-icon-size-medium);
  margin-left: calc(var(--md-spacing-1) * -1);
  background-color: var(--md-on-primary);
}

/* ---- Reference Page Grid ---- */
.ref-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(var(--md-card-min-width), 1fr));
  gap: var(--md-spacing-6);
}

.support-grid > .card {
  display: flex;
  flex-direction: column;
}

.support-grid__footer {
  margin-top: auto;
}

#chat-loading .progress--circular {
  width: var(--md-icon-size-medium);
  height: var(--md-icon-size-medium);
}

.ref-section {
  margin-bottom: var(--md-spacing-10);
}

.ref-section__title {
  font-size: var(--md-headline-small-size);
  line-height: var(--md-headline-small-line);
  color: var(--md-primary);
  margin-bottom: var(--md-spacing-4);
  padding-bottom: var(--md-spacing-2);
  border-bottom: var(--md-divider-thickness) solid var(--md-outline-variant);
}

.ref-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--md-spacing-4);
  align-items: center;
  margin-bottom: var(--md-spacing-4);
}

/* ---- Color Swatch ---- */
.swatch {
  width: var(--md-top-app-bar-height-small);
  height: var(--md-top-app-bar-height-small);
  border-radius: var(--md-shape-medium);
  border: var(--md-divider-thickness) solid var(--md-outline-variant);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: var(--md-spacing-1);
}

.swatch__label {
  font-size: var(--md-label-small-size);
  text-align: center;
  margin-top: var(--md-spacing-1);
  color: var(--md-on-surface-variant);
}

/* ---- Type Sample ---- */
.type-sample {
  margin-bottom: var(--md-spacing-4);
}

.type-sample__label {
  font-size: var(--md-label-medium-size);
  color: var(--md-on-surface-variant);
  margin-bottom: var(--md-spacing-1);
}

/* ====================================================
   M3 USER FEEDBACK — Snackbar, Banner, Dialog
   ==================================================== */

/* ---- M3 Snackbar ---- */
.snackbar {
  position: fixed;
  bottom: var(--md-spacing-6);
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  min-width: var(--md-component-width-small);
  max-width: var(--md-component-width-xlarge);
  background-color: var(--md-inverse-surface);
  color: var(--md-inverse-on-surface);
  padding: var(--md-spacing-4) var(--md-spacing-4) var(--md-spacing-4) var(--md-spacing-6);
  border-radius: var(--md-shape-extra-small);
  box-shadow: var(--md-elevation-3);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--md-spacing-4);
  z-index: 1000;
  opacity: 0;
  transition: transform var(--md-motion-duration-medium) var(--md-motion-easing-decelerate),
              opacity var(--md-motion-duration-medium) var(--md-motion-easing-decelerate);
}

.snackbar--visible {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.snackbar__text {
  font-size: var(--md-body-medium-size);
  line-height: var(--md-body-medium-line);
  flex: 1;
}

.snackbar__action {
  background: none;
  border: none;
  color: var(--md-inverse-primary);
  font-size: var(--md-label-large-size);
  font-weight: var(--md-label-large-weight);
  cursor: pointer;
  padding: var(--md-spacing-2) var(--md-spacing-3);
  border-radius: var(--md-shape-extra-small);
  white-space: nowrap;
  transition: background-color var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.snackbar__action:hover {
  background-color: var(--md-primary-hover-overlay);
}

.snackbar__close {
  background: none;
  border: none;
  color: var(--md-inverse-on-surface);
  font-size: var(--md-icon-size-small);
  cursor: pointer;
  padding: var(--md-spacing-1);
  opacity: 0.7;
  line-height: 1;
}

.snackbar__close:hover {
  opacity: 1;
}

/* Snackbar variants */
.snackbar--error {
  background-color: var(--md-error-container);
  color: var(--md-on-error-container);
}

.snackbar--error .snackbar__action {
  color: var(--md-error);
}

/* ---- M3 Banner ---- */
.banner {
  background-color: var(--md-surface-container);
  border-bottom: var(--md-divider-thickness) solid var(--md-outline-variant);
  padding: var(--md-spacing-4) var(--md-spacing-6);
  display: none;
  align-items: flex-start;
  gap: var(--md-spacing-4);
}

.banner--visible {
  display: flex;
}

.banner__icon {
  font-size: var(--md-icon-size-medium);
  color: var(--md-primary);
  flex-shrink: 0;
  line-height: 1;
  padding-top: calc(var(--md-spacing-1) / 2);
}

.banner__content {
  flex: 1;
}

.banner__text {
  font-size: var(--md-body-medium-size);
  line-height: var(--md-body-medium-line);
  color: var(--md-on-surface);
  margin-bottom: 0;
}

.banner__actions {
  display: flex;
  gap: var(--md-spacing-2);
  margin-top: var(--md-spacing-3);
}

.banner__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--md-button-height-small);
  background: none;
  border: none;
  color: var(--md-primary);
  font-size: var(--md-label-large-size);
  font-weight: var(--md-label-large-weight);
  line-height: var(--md-label-large-line);
  cursor: pointer;
  padding: var(--md-button-padding-y-small) var(--md-button-padding-x-small);
  border-radius: var(--md-shape-small);
  transition: background-color var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.banner__btn:hover {
  background-color: var(--md-surface-container-high);
}

/* Banner variants */
.banner--error .banner__icon {
  color: var(--md-error);
}

/* ---- M3 Dialog (Modal) ---- */
.dialog-overlay {
  position: fixed;
  inset: 0;
  background-color: var(--md-scrim-dark);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--md-motion-duration-medium) var(--md-motion-easing-standard);
}

.dialog-overlay--visible {
  display: flex;
  opacity: 1;
}

.dialog {
  background-color: var(--md-surface-container-high);
  border-radius: var(--md-shape-extra-large);
  padding: var(--md-spacing-6);
  min-width: var(--md-component-width-small);
  max-width: var(--md-component-width-xlarge);
  width: 90%;
  box-shadow: var(--md-elevation-3);
  transform: scale(0.9);
  transition: transform var(--md-motion-duration-medium) var(--md-motion-easing-emphasized);
}

.dialog-overlay--visible .dialog {
  transform: scale(1);
}

.dialog__icon {
  text-align: center;
  font-size: var(--md-icon-size-medium);
  color: var(--md-primary);
  margin-bottom: var(--md-spacing-4);
}

.dialog__title {
  font-size: var(--md-headline-small-size);
  line-height: var(--md-headline-small-line);
  font-weight: var(--md-headline-small-weight);
  color: var(--md-on-surface);
  margin-bottom: var(--md-spacing-4);
}

.dialog__body {
  font-size: var(--md-body-medium-size);
  line-height: var(--md-body-medium-line);
  color: var(--md-on-surface-variant);
  margin-bottom: var(--md-spacing-6);
}

.dialog__actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--md-spacing-2);
}

.dialog__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--md-button-height-medium);
  background: none;
  border: none;
  color: var(--md-primary);
  font-size: var(--md-label-large-size);
  font-weight: var(--md-label-large-weight);
  line-height: var(--md-label-large-line);
  cursor: pointer;
  padding: var(--md-button-padding-y-medium) var(--md-button-padding-x-medium);
  border-radius: var(--md-shape-full);
  transition: background-color var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.dialog__btn:hover {
  background-color: var(--md-surface-container-highest);
}

.dialog__btn--confirm {
  background-color: var(--md-primary);
  color: var(--md-on-primary);
}

.dialog__btn--confirm:hover {
  filter: brightness(1.1);
}

/* Error dialog */
.dialog--error .dialog__icon {
  color: var(--md-error);
}

.dialog--error .dialog__btn--confirm {
  background-color: var(--md-error);
  color: var(--md-on-error);
}

/* ---- Spacing Utilities ---- */
.mb-2 { margin-bottom: var(--md-spacing-2); }
.mb-4 { margin-bottom: var(--md-spacing-4); }
.mb-8 { margin-bottom: var(--md-spacing-8); }
.mt-2 { margin-top: var(--md-spacing-2); }
.mt-4 { margin-top: var(--md-spacing-4); }

/* ---- Code Example Block ---- */
.code-example {
  margin-top: var(--md-spacing-4);
  padding: var(--md-spacing-4);
}

.code-example__label {
  color: var(--md-primary);
  margin-bottom: var(--md-spacing-2);
}

.code-example__pre {
  color: var(--md-on-surface-variant);
  white-space: pre-wrap;
}

/* ---- Email Preview ---- */

.email-preview {
  margin-bottom: var(--md-spacing-4);
  border-radius: var(--md-shape-medium);
  overflow: hidden;
  border: var(--md-divider-thickness) solid var(--md-outline-variant);
}

.email-preview__iframe {
  width: 100%;
  height: 560px;
  border: none;
  display: block;
  background: #f5f5f5;
}

/* ---- Elevation Demo Box ---- */
.elevation-box {
  min-width: var(--md-min-dropdown-width);
  text-align: center;
}

.elevation-box--0 { box-shadow: var(--md-elevation-0); }
.elevation-box--1 { box-shadow: var(--md-elevation-1); }
.elevation-box--2 { box-shadow: var(--md-elevation-2); }
.elevation-box--3 { box-shadow: var(--md-elevation-3); }
.elevation-box--4 { box-shadow: var(--md-elevation-4); }
.elevation-box--5 { box-shadow: var(--md-elevation-5); }

/* ---- Shape Demo Box ---- */
.shape-box {
  width: var(--md-top-app-bar-height-small);
  height: var(--md-top-app-bar-height-small);
  background-color: var(--md-primary);
}

.shape-box--none        { border-radius: var(--md-shape-none); }
.shape-box--extra-small { border-radius: var(--md-shape-extra-small); }
.shape-box--small       { border-radius: var(--md-shape-small); }
.shape-box--medium      { border-radius: var(--md-shape-medium); }
.shape-box--large       { border-radius: var(--md-shape-large); }
.shape-box--extra-large { border-radius: var(--md-shape-extra-large); }
.shape-box--full        { border-radius: var(--md-shape-full); }

/* ---- Shape Demo Label ---- */
.shape-label {
  width: var(--md-top-app-bar-height-small);
  text-align: center;
}

/* ---- Text Color Utility ---- */
.text-muted {
  color: var(--md-on-surface-variant);
}

/* ---- Banner Demo Override ---- */
.banner--demo {
  margin-top: var(--md-spacing-4);
  border-radius: var(--md-shape-small);
}

/* ---- 404 Hero Override ---- */
.hero__title--404 {
  font-size: var(--md-display-large-size);
  line-height: var(--md-display-large-line);
}

/* ---- M3 Navigation Rail (vertical sidebar, all sizes) ---- */
.nav-rail {
  grid-column: 1;
  grid-row: 1 / -1;
  position: sticky;
  top: 0;
  width: var(--md-nav-rail-width);
  height: 100vh;
  align-self: start;
  background-color: var(--md-surface);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: var(--md-spacing-4);
  overflow: hidden;
  transition: width var(--md-motion-duration-medium) var(--md-motion-easing-emphasized),
              background-color var(--md-motion-duration-medium) var(--md-motion-easing-standard);
  z-index: 200;
  border-top-right-radius: var(--md-shape-large);
  border-bottom-right-radius: var(--md-shape-large);
}

/* Nav items container */
.nav-rail__items {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--md-spacing-1);
  width: 100%;
}

.nav-rail__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: var(--md-spacing-1) 0;
  text-decoration: none;
  color: var(--md-on-surface-variant);
  transition: color var(--md-motion-duration-short) var(--md-motion-easing-standard);
  -webkit-tap-highlight-color: transparent;
}

.nav-rail__indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--md-fab-size-medium);
  height: var(--md-button-height-small);
  border-radius: var(--md-shape-full);
  margin-bottom: var(--md-spacing-1);
  transition: background-color var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.nav-rail__item:hover .nav-rail__indicator {
  background-color: var(--md-surface-container-high);
}

.nav-rail__item--active .nav-rail__indicator {
  background-color: var(--md-secondary-container);
}

.nav-rail__item--active {
  color: var(--md-on-surface);
}

.nav-rail__item--active .nav-rail__icon {
  color: var(--md-on-secondary-container);
}

.nav-rail__icon {
  font-size: var(--md-icon-size-medium);
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--md-icon-size-medium);
  height: var(--md-icon-size-medium);
}

.nav-rail__label {
  font-size: var(--md-label-medium-size);
  line-height: var(--md-label-medium-line);
  font-weight: var(--md-label-medium-weight);
}

/* Scrim overlay behind expanded rail */
.nav-rail__scrim {
  grid-column: 1 / -1;
  grid-row: 1 / -1;
  display: none;
  position: fixed;
  inset: 0;
  background-color: var(--md-scrim-medium);
  z-index: 199;
  opacity: 0;
  transition: opacity var(--md-motion-duration-medium) var(--md-motion-easing-standard);
}

.nav-rail__scrim--visible {
  display: block;
  opacity: 1;
}

/* ---- Expanded Navigation Rail (drawer mode) ---- */
.nav-rail--expanded {
  width: var(--md-nav-rail-width-expanded);
  background-color: var(--md-surface);
  z-index: 200;
}

.nav-rail--expanded .nav-rail__items {
  align-items: stretch;
  padding: 0 var(--md-spacing-3);
}

.nav-rail--expanded .nav-rail__item {
  flex-direction: row;
  justify-content: flex-start;
  padding: 0 var(--md-spacing-4);
  height: var(--md-input-field-height);
  border-radius: var(--md-shape-full);
  margin: 0;
  box-sizing: border-box;
}

.nav-rail--expanded .nav-rail__indicator {
  width: var(--md-icon-size-medium);
  height: var(--md-icon-size-medium);
  border-radius: 0;
  background-color: transparent;
  margin-bottom: 0;
  margin-right: var(--md-spacing-3);
  flex-shrink: 0;
}

.nav-rail--expanded .nav-rail__item--active {
  background-color: var(--md-secondary-container);
}

.nav-rail--expanded .nav-rail__item--active .nav-rail__indicator {
  background-color: transparent;
}

.nav-rail--expanded .nav-rail__label {
  font-size: var(--md-label-large-size);
  line-height: var(--md-label-large-line);
  font-weight: var(--md-label-large-weight);
  white-space: nowrap;
}

/* ---- M3 Data Table ---- */
.data-table__wrapper {
  overflow-x: auto;
  border-radius: var(--md-shape-medium);
  border: var(--md-divider-thickness) solid var(--md-outline-variant);
  margin-bottom: var(--md-spacing-6);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--md-body-medium-size);
  line-height: var(--md-body-medium-line);
}

.data-table__caption {
  font-size: var(--md-title-medium-size);
  font-weight: var(--md-title-medium-weight);
  text-align: left;
  padding: var(--md-spacing-4) var(--md-spacing-4) var(--md-spacing-2);
  color: var(--md-on-surface);
}

.data-table__head {
  background-color: var(--md-surface-container);
}

.data-table__header {
  padding: var(--md-spacing-3) var(--md-spacing-4);
  text-align: left;
  font-size: var(--md-label-large-size);
  font-weight: var(--md-label-large-weight);
  color: var(--md-on-surface);
  border-bottom: var(--md-divider-thickness) solid var(--md-outline-variant);
  white-space: nowrap;
}

.data-table__header--sortable {
  cursor: pointer;
  user-select: none;
  transition: background-color var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.data-table__header--sortable:hover {
  background-color: var(--md-surface-container-high);
}

.data-table__sort-icon {
  font-size: var(--md-icon-size-small);
  vertical-align: middle;
  margin-left: var(--md-spacing-1);
  color: var(--md-on-surface-variant);
}

.data-table__cell {
  padding: var(--md-spacing-3) var(--md-spacing-4);
  color: var(--md-on-surface-variant);
  border-bottom: var(--md-divider-thickness) solid var(--md-outline-variant);
}

.data-table__cell--nowrap {
  white-space: nowrap;
}

.data-table__cell--truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.data-table__row:last-child .data-table__cell {
  border-bottom: none;
}

.data-table--striped .data-table__body .data-table__row:nth-child(even) {
  background-color: var(--md-surface-container-low);
}

.data-table__body .data-table__row:hover {
  background-color: var(--md-surface-container-high);
}

/* ---- M3 Video Player ---- */
.video-player {
  margin: 0 0 var(--md-spacing-6);
}

.video-player__frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background-color: var(--md-surface-container);
  border-radius: var(--md-shape-large);
  overflow: hidden;
  box-shadow: var(--md-elevation-1);
}

.video-player__video,
.video-player__iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.video-player__video {
  object-fit: contain;
  background-color: var(--md-media-background);
}

.video-player__caption {
  font-size: var(--md-body-small-size);
  line-height: var(--md-body-small-line);
  color: var(--md-on-surface-variant);
  text-align: center;
  margin-top: var(--md-spacing-2);
  padding: 0 var(--md-spacing-4);
}

/* ---- M3 Tabs ---- */
.tabs {
  margin-bottom: var(--md-spacing-6);
}

.tabs__bar {
  display: flex;
  position: relative;
  border-bottom: var(--md-divider-thickness) solid var(--md-outline-variant);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.tabs__tab {
  flex: 0 0 auto;
  padding: var(--md-spacing-4) var(--md-spacing-6);
  background: none;
  border: none;
  font-size: var(--md-title-small-size);
  font-weight: var(--md-title-small-weight);
  line-height: var(--md-title-small-line);
  color: var(--md-on-surface-variant);
  cursor: pointer;
  position: relative;
  white-space: nowrap;
  transition: color var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.tabs__tab:hover {
  color: var(--md-on-surface);
  background-color: var(--md-surface-container-high);
}

.tabs__tab--active {
  color: var(--md-primary);
}

.tabs__tab--active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--md-shape-small-half);
  background-color: var(--md-primary);
  border-radius: var(--md-shape-small-half) var(--md-shape-small-half) 0 0;
}

.tabs__panel {
  display: none;
  padding: var(--md-spacing-6) 0;
}

.tabs__panel--active {
  display: block;
}

/* ---- M3 Chip Group ---- */
.chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--md-spacing-2);
  margin-bottom: var(--md-spacing-6);
}

.chip__icon {
  font-size: var(--md-icon-size-small);
  margin-right: var(--md-spacing-1);
}

.chip__check {
  font-size: var(--md-icon-size-small);
  margin-right: var(--md-spacing-1);
}

.chip__label {
  font-size: var(--md-label-large-size);
  font-weight: var(--md-label-large-weight);
  line-height: var(--md-label-large-line);
}

.chip__remove {
  font-size: var(--md-icon-size-small);
  margin-left: var(--md-spacing-1);
  cursor: pointer;
  border-radius: var(--md-shape-full);
  transition: background-color var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.chip__remove:hover {
  background-color: var(--md-surface-container-highest);
}

.chip--input {
  background-color: var(--md-surface-container);
  border-color: transparent;
}

.chip--suggestion {
  border-style: dashed;
}

/* ---- M3 Accordion / Expansion Panel ---- */
.accordion {
  border: var(--md-divider-thickness) solid var(--md-outline-variant);
  border-radius: var(--md-shape-medium);
  overflow: hidden;
  margin-bottom: var(--md-spacing-6);
}

.accordion__item {
  border-bottom: var(--md-divider-thickness) solid var(--md-outline-variant);
}

.accordion__item:last-child {
  border-bottom: none;
}

.accordion__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--md-spacing-4) var(--md-spacing-6);
  background: none;
  border: none;
  font-size: var(--md-title-small-size);
  font-weight: var(--md-title-small-weight);
  line-height: var(--md-title-small-line);
  color: var(--md-on-surface);
  cursor: pointer;
  text-align: left;
  transition: background-color var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.accordion__header:hover {
  background-color: var(--md-surface-container-high);
}

.accordion__title {
  flex: 1;
}

.accordion__icon {
  font-size: var(--md-icon-size-medium);
  color: var(--md-on-surface-variant);
  transition: transform var(--md-motion-duration-medium) var(--md-motion-easing-emphasized);
  flex-shrink: 0;
}

.accordion__item--expanded .accordion__icon {
  transform: rotate(180deg);
}

.accordion__panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--md-motion-duration-medium) var(--md-motion-easing-emphasized);
}

.accordion__item--expanded .accordion__panel {
  max-height: var(--md-max-content-height);
}

.accordion__content {
  padding: 0 var(--md-spacing-6) var(--md-spacing-6);
  font-size: var(--md-body-medium-size);
  line-height: var(--md-body-medium-line);
  color: var(--md-on-surface-variant);
}

/* ---- M3 Tooltip (CSS-only, attribute-based) ---- */
[data-tooltip] {
  position: relative;
}

[data-tooltip]::before,
[data-tooltip]::after {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--md-motion-duration-short) var(--md-motion-easing-standard);
  z-index: 500;
}

[data-tooltip]::after {
  content: attr(data-tooltip);
  bottom: calc(100% + var(--md-dropdown-offset));
  background-color: var(--md-inverse-surface);
  color: var(--md-inverse-on-surface);
  font-size: var(--md-body-small-size);
  line-height: var(--md-body-small-line);
  padding: var(--md-spacing-1) var(--md-spacing-2);
  border-radius: var(--md-shape-extra-small);
  white-space: nowrap;
  max-width: var(--md-max-tooltip-width);
  overflow: hidden;
  text-overflow: ellipsis;
}

[data-tooltip]::before {
  content: '';
  bottom: calc(100% + var(--md-spacing-1));
  border: var(--md-spacing-1) solid transparent;
  border-top-color: var(--md-inverse-surface);
}

[data-tooltip]:hover::before,
[data-tooltip]:hover::after,
[data-tooltip]:focus::before,
[data-tooltip]:focus::after {
  opacity: 1;
}

[data-tooltip-position="bottom"]::after {
  bottom: auto;
  top: calc(100% + var(--md-dropdown-offset));
}

[data-tooltip-position="bottom"]::before {
  bottom: auto;
  top: calc(100% + var(--md-spacing-1));
  border-top-color: transparent;
  border-bottom-color: var(--md-inverse-surface);
}

/* ---- M3 Progress Indicator ---- */
.progress {
  margin-bottom: var(--md-spacing-4);
}

/* Linear */
.progress--linear {
  display: block;
  width: 100%;
}

.progress__track {
  width: 100%;
  height: var(--md-spacing-1);
  background-color: var(--md-surface-container-highest);
  border-radius: var(--md-shape-extra-small-half);
  overflow: hidden;
}

.progress__fill {
  height: 100%;
  background-color: var(--md-primary);
  border-radius: var(--md-shape-extra-small-half);
  transition: width var(--md-motion-duration-medium) var(--md-motion-easing-standard);
}

.progress--indeterminate .progress__fill {
  width: 40%;
  animation: progress-linear-indeterminate 1.8s var(--md-motion-easing-standard) infinite;
}

@keyframes progress-linear-indeterminate {
  0% { transform: translateX(-100%); }
  60% { transform: translateX(250%); }
  100% { transform: translateX(250%); }
}

/* Circular */
.progress--circular {
  display: inline-block;
  width: var(--md-menu-item-height);
  height: var(--md-menu-item-height);
}

.progress__circle {
  width: 100%;
  height: 100%;
}

.progress__circle-track {
  fill: none;
  stroke: var(--md-surface-container-highest);
  stroke-width: 4;
}

.progress__circle-fill {
  fill: none;
  stroke: var(--md-primary);
  stroke-width: 4;
  stroke-linecap: round;
  stroke-dasharray: 125.6;
  stroke-dashoffset: 125.6;
  transform: rotate(-90deg);
  transform-origin: center;
  transition: stroke-dashoffset var(--md-motion-duration-medium) var(--md-motion-easing-standard);
}

.progress--indeterminate .progress__circle-fill {
  stroke-dashoffset: 80;
  animation: progress-circular-indeterminate 1.4s linear infinite;
}

@keyframes progress-circular-indeterminate {
  0% { transform: rotate(-90deg); }
  100% { transform: rotate(270deg); }
}

/* ---- M3 List ---- */
.list {
  list-style: none;
  margin: 0 0 var(--md-spacing-6);
  padding: 0;
  border-radius: var(--md-shape-medium);
  overflow: hidden;
}

.list__item {
  display: flex;
  align-items: center;
  gap: var(--md-spacing-4);
  padding: var(--md-spacing-3) var(--md-spacing-4);
  min-height: var(--md-input-field-height);
  transition: background-color var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.list__item:hover {
  background-color: var(--md-surface-container-high);
}

.list__leading {
  font-size: var(--md-icon-size-medium);
  color: var(--md-on-surface-variant);
  flex-shrink: 0;
}

.list__avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--md-icon-button-size);
  height: var(--md-icon-button-size);
  border-radius: var(--md-shape-full);
  background-color: var(--md-primary-container);
  color: var(--md-on-primary-container);
  font-size: var(--md-title-medium-size);
  font-weight: var(--md-title-medium-weight);
  flex-shrink: 0;
}

.list__content {
  flex: 1;
  min-width: 0;
}

.list__headline {
  display: block;
  font-size: var(--md-body-large-size);
  line-height: var(--md-body-large-line);
  color: var(--md-on-surface);
}

.list__supporting {
  display: block;
  font-size: var(--md-body-medium-size);
  line-height: var(--md-body-medium-line);
  color: var(--md-on-surface-variant);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.list--two-line .list__item {
  min-height: var(--md-list-item-height-large);
  padding: var(--md-spacing-2) var(--md-spacing-4);
}

.list__trailing {
  font-size: var(--md-body-medium-size);
  line-height: var(--md-body-medium-line);
  color: var(--md-on-surface-variant);
  flex-shrink: 0;
}

.list__divider {
  height: var(--md-divider-thickness);
  background-color: var(--md-outline-variant);
  margin: 0;
  list-style: none;
}

/* ---- M3 Bottom Sheet ---- */
.bottom-sheet__scrim {
  position: fixed;
  inset: 0;
  background-color: var(--md-scrim-light);
  z-index: 300;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--md-motion-duration-medium) var(--md-motion-easing-standard);
}

.bottom-sheet__scrim--visible {
  opacity: 1;
  pointer-events: auto;
}

.bottom-sheet {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  max-height: 80vh;
  background-color: var(--md-surface-container-low);
  border-radius: var(--md-shape-extra-large) var(--md-shape-extra-large) 0 0;
  box-shadow: var(--md-elevation-3);
  z-index: 301;
  transform: translateY(100%);
  transition: transform var(--md-motion-duration-medium) var(--md-motion-easing-emphasized);
  overflow-y: auto;
}

.bottom-sheet--visible {
  transform: translateY(0);
}

.bottom-sheet__drag-handle {
  display: flex;
  justify-content: center;
  padding: var(--md-spacing-4) 0 0;
}

.bottom-sheet__drag-handle::after {
  content: '';
  width: var(--md-button-height-small);
  height: var(--md-spacing-1);
  border-radius: var(--md-shape-extra-small-half);
  background-color: var(--md-on-surface-variant);
  opacity: 0.4;
}

.bottom-sheet__content {
  padding: var(--md-spacing-4) var(--md-spacing-6) var(--md-spacing-8);
}

/* ---- M3 Dropdown Menu ---- */
.menu__anchor {
  position: relative;
  display: inline-block;
}

.menu {
  position: absolute;
  top: calc(100% + var(--md-spacing-1));
  left: 0;
  min-width: var(--md-min-button-width);
  max-width: var(--md-component-width-small);
  max-height: var(--md-component-width-small);
  overflow-y: auto;
  background-color: var(--md-surface-container);
  border-radius: var(--md-shape-extra-small);
  box-shadow: var(--md-elevation-2);
  z-index: 200;
  padding: var(--md-spacing-2) 0;
  opacity: 0;
  transform: scaleY(0.8);
  transform-origin: top left;
  pointer-events: none;
  outline: none;
  transition: opacity var(--md-motion-duration-short) var(--md-motion-easing-standard),
              transform var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.menu--open {
  opacity: 1;
  transform: scaleY(1);
  pointer-events: auto;
}

.menu__item {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--md-spacing-3);
  width: 100%;
  min-height: var(--md-menu-item-height);
  padding: var(--md-spacing-3) var(--md-spacing-4);
  background: none;
  border: none;
  font-size: var(--md-label-large-size);
  font-weight: var(--md-label-large-weight);
  line-height: var(--md-label-large-line);
  color: var(--md-on-surface);
  cursor: pointer;
  text-align: left;
  white-space: nowrap;
  outline: none;
  transition: background-color var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.menu__item:hover {
  background-color: var(--md-surface-container-high);
}

.menu__item:focus-visible {
  background-color: var(--md-surface-container-highest);
}

.menu__item:focus-visible::before {
  content: '';
  position: absolute;
  inset: calc(var(--md-spacing-1) / 2);
  border: calc(var(--md-divider-thickness) * 2) solid var(--md-primary);
  border-radius: var(--md-shape-extra-small);
  pointer-events: none;
}

.menu__item--selected {
  background-color: var(--md-secondary-container);
  color: var(--md-on-secondary-container);
}

.menu__item--selected:hover {
  background-color: var(--md-secondary-container);
  opacity: 0.92;
}

.menu__item--disabled {
  color: var(--md-on-surface);
  opacity: 0.38;
  cursor: default;
  pointer-events: none;
}

.menu__icon {
  font-size: var(--md-label-large-line);
  flex-shrink: 0;
}

.menu__icon--start {
  color: var(--md-on-surface-variant);
}

.menu__item--selected .menu__icon--start {
  color: var(--md-on-secondary-container);
}

.menu__icon--end {
  color: var(--md-on-surface-variant);
  margin-left: auto;
}

.menu__icon-spacer {
  width: var(--md-label-large-line);
  flex-shrink: 0;
}

.menu__label {
  flex: 1;
  font-size: var(--md-label-large-size);
  font-weight: var(--md-label-large-weight);
  line-height: var(--md-label-large-line);
}

.menu__shortcut {
  font-size: var(--md-label-large-size);
  font-weight: var(--md-label-large-weight);
  line-height: var(--md-label-large-line);
  color: var(--md-on-surface-variant);
  margin-left: var(--md-spacing-6);
}

.menu__item--selected .menu__shortcut {
  color: var(--md-on-secondary-container);
}

.menu__divider {
  height: var(--md-divider-thickness);
  background-color: var(--md-outline-variant);
  margin: var(--md-spacing-2) 0;
}

/* ---- M3 Dropdown (Text Field + Menu Combo) ---- */
.dropdown {
  position: relative;
  margin-bottom: var(--md-spacing-4);
}

.dropdown__field {
  position: relative;
  width: 100%;
  min-height: var(--md-input-field-height);
  padding: var(--md-spacing-4);
  padding-top: var(--md-spacing-6);
  padding-right: var(--md-input-icon-area);
  background-color: var(--md-surface-container-highest);
  border: none;
  border-bottom: var(--md-divider-thickness) solid var(--md-on-surface-variant);
  border-radius: var(--md-shape-extra-small) var(--md-shape-extra-small) 0 0;
  font-size: var(--md-body-large-size);
  font-weight: var(--md-body-large-weight);
  line-height: var(--md-body-large-line);
  color: var(--md-on-surface);
  cursor: pointer;
  text-align: left;
  outline: none;
  transition: border-color var(--md-motion-duration-short) var(--md-motion-easing-standard),
              background-color var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.dropdown__field:hover {
  background-color: var(--md-surface-container-high);
  border-bottom-color: var(--md-on-surface);
}

.dropdown__field:focus {
  border-bottom-width: calc(var(--md-divider-thickness) * 2);
  border-bottom-color: var(--md-primary);
  padding-bottom: calc(var(--md-spacing-4) - var(--md-divider-thickness));
}

.dropdown__label {
  position: absolute;
  top: var(--md-spacing-2);
  left: var(--md-spacing-4);
  font-size: var(--md-body-small-size);
  font-weight: var(--md-body-small-weight);
  line-height: var(--md-body-small-line);
  color: var(--md-on-surface-variant);
  pointer-events: none;
  transition: color var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.dropdown__field:focus ~ .dropdown__label,
.dropdown__field:focus .dropdown__label {
  color: var(--md-primary);
}

.dropdown__value {
  display: block;
  padding-top: calc(var(--md-spacing-1) / 2);
  font-size: var(--md-body-large-size);
  font-weight: var(--md-body-large-weight);
  line-height: var(--md-body-large-line);
  color: var(--md-on-surface);
}

.dropdown__value:empty::before {
  content: '\00a0';
}

.dropdown__icon {
  position: absolute;
  right: var(--md-spacing-3);
  top: 50%;
  transform: translateY(-50%);
  font-size: var(--md-icon-size-medium);
  color: var(--md-on-surface-variant);
  pointer-events: none;
  transition: transform var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.dropdown--open .dropdown__icon {
  transform: translateY(-50%) rotate(180deg);
}

.dropdown__menu {
  position: absolute;
  top: calc(100% - var(--md-spacing-2));
  left: 0;
  right: 0;
  max-height: var(--md-component-width-small);
  overflow-y: auto;
  background-color: var(--md-surface-container);
  border-radius: var(--md-shape-extra-small);
  box-shadow: var(--md-elevation-2);
  z-index: 200;
  padding: var(--md-spacing-2) 0;
  opacity: 0;
  transform: scaleY(0);
  transform-origin: top;
  pointer-events: none;
  outline: none;
  transition: opacity var(--md-motion-duration-short) var(--md-motion-easing-standard),
              transform var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.dropdown--open .dropdown__menu {
  opacity: 1;
  transform: scaleY(1);
  pointer-events: auto;
}

.dropdown__item {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--md-spacing-3);
  width: 100%;
  min-height: var(--md-menu-item-height);
  padding: var(--md-spacing-3) var(--md-spacing-4);
  background: none;
  border: none;
  font-size: var(--md-label-large-size);
  font-weight: var(--md-label-large-weight);
  line-height: var(--md-label-large-line);
  color: var(--md-on-surface);
  cursor: pointer;
  text-align: left;
  outline: none;
  transition: background-color var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.dropdown__item:hover {
  background-color: var(--md-surface-container-high);
}

.dropdown__item:focus-visible {
  background-color: var(--md-surface-container-highest);
}

.dropdown__item:focus-visible::before {
  content: '';
  position: absolute;
  inset: calc(var(--md-spacing-1) / 2);
  border: calc(var(--md-divider-thickness) * 2) solid var(--md-primary);
  border-radius: var(--md-shape-extra-small);
  pointer-events: none;
}

.dropdown__item--selected {
  background-color: var(--md-secondary-container);
  color: var(--md-on-secondary-container);
}

.dropdown__item--selected:hover {
  background-color: var(--md-secondary-container);
  opacity: 0.92;
}

.dropdown__check {
  font-size: var(--md-icon-size-medium);
  color: var(--md-on-secondary-container);
  flex-shrink: 0;
}

.dropdown__check-spacer {
  width: var(--md-icon-size-medium);
  flex-shrink: 0;
}

.dropdown__item-label {
  flex: 1;
  font-size: var(--md-label-large-size);
  font-weight: var(--md-label-large-weight);
  line-height: var(--md-label-large-line);
}

.dropdown__supporting-text {
  padding: var(--md-spacing-1) var(--md-spacing-4);
  font-size: var(--md-body-small-size);
  line-height: var(--md-body-small-line);
  color: var(--md-on-surface-variant);
}

/* Outlined variant */
.dropdown--outlined {
  margin-top: var(--md-spacing-2);
}

.dropdown--outlined .dropdown__field {
  background-color: transparent;
  border: var(--md-divider-thickness) solid var(--md-outline);
  border-radius: var(--md-shape-extra-small);
  padding-top: var(--md-spacing-4);
}

.dropdown--outlined .dropdown__field:hover {
  background-color: transparent;
  border-color: var(--md-on-surface);
}

.dropdown--outlined .dropdown__field:focus {
  border-width: calc(var(--md-divider-thickness) * 2);
  border-color: var(--md-primary);
  padding: calc(var(--md-spacing-4) - var(--md-divider-thickness)) calc(var(--md-spacing-4) - var(--md-divider-thickness));
  padding-right: calc(var(--md-menu-item-height) - var(--md-divider-thickness));
}

.dropdown--outlined .dropdown__label {
  top: calc(var(--md-spacing-2) * -1);
  background-color: var(--md-surface);
  padding: 0 var(--md-spacing-1);
  left: calc(var(--md-spacing-4) - var(--md-spacing-1));
}

.dropdown--outlined .dropdown__icon {
  right: var(--md-spacing-3);
}

/* Error state */
.dropdown--error .dropdown__field {
  border-bottom-color: var(--md-error);
}

.dropdown--error .dropdown__field:hover {
  border-bottom-color: var(--md-error);
}

.dropdown--error .dropdown__field:focus {
  border-bottom-color: var(--md-error);
}

.dropdown--error .dropdown__label {
  color: var(--md-error);
}

.dropdown--error .dropdown__supporting-text {
  color: var(--md-error);
}

.dropdown--error.dropdown--outlined .dropdown__field {
  border-color: var(--md-error);
}

.dropdown--error.dropdown--outlined .dropdown__field:hover {
  border-color: var(--md-error);
}

.dropdown--error.dropdown--outlined .dropdown__field:focus {
  border-color: var(--md-error);
}

/* Disabled state */
.dropdown--disabled .dropdown__field {
  opacity: 0.38;
  cursor: default;
  background-color: var(--md-surface-container-highest);
}

.dropdown--disabled .dropdown__field:hover {
  background-color: var(--md-surface-container-highest);
  border-bottom-color: var(--md-on-surface-variant);
}

/* ---- M3 Slider ---- */
.slider {
  margin-bottom: var(--md-spacing-6);
}

.slider__label {
  display: block;
  font-size: var(--md-label-large-size);
  font-weight: var(--md-label-large-weight);
  color: var(--md-on-surface);
  margin-bottom: var(--md-spacing-2);
}

.slider__row {
  display: flex;
  align-items: center;
  gap: var(--md-spacing-4);
}

.slider__input {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: var(--md-spacing-1);
  background: var(--md-surface-container-highest);
  border-radius: var(--md-shape-extra-small-half);
  outline: none;
}

.slider__input::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: var(--md-slider-thumb-size);
  height: var(--md-slider-thumb-size);
  border-radius: var(--md-shape-full);
  background-color: var(--md-primary);
  cursor: pointer;
  border: none;
  box-shadow: var(--md-elevation-1);
  transition: box-shadow var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.slider__input::-webkit-slider-thumb:hover {
  box-shadow: var(--md-elevation-2);
}

.slider__input::-moz-range-thumb {
  width: var(--md-slider-thumb-size);
  height: var(--md-slider-thumb-size);
  border-radius: var(--md-shape-full);
  background-color: var(--md-primary);
  cursor: pointer;
  border: none;
  box-shadow: var(--md-elevation-1);
}

.slider__input::-moz-range-track {
  height: var(--md-spacing-1);
  background: var(--md-surface-container-highest);
  border-radius: var(--md-shape-extra-small-half);
}

.slider__value {
  min-width: var(--md-button-height-small);
  text-align: center;
  font-size: var(--md-label-large-size);
  font-weight: var(--md-label-large-weight);
  color: var(--md-on-surface);
}

/* ---- M3 Date Picker ---- */
.date-picker {
  position: relative;
  display: inline-block;
  margin-bottom: var(--md-spacing-6);
}

.date-picker__field {
  cursor: pointer;
}

.date-picker__input {
  cursor: pointer;
  padding-right: var(--md-menu-item-height) !important;
}

.date-picker__icon {
  position: absolute;
  right: var(--md-spacing-3);
  top: 50%;
  transform: translateY(-50%);
  font-size: var(--md-icon-size-medium);
  color: var(--md-on-surface-variant);
  pointer-events: none;
}

.date-picker__dropdown {
  position: absolute;
  top: calc(100% + var(--md-spacing-1));
  left: 0;
  width: var(--md-component-width-medium);
  background-color: var(--md-surface-container);
  border-radius: var(--md-shape-large);
  box-shadow: var(--md-elevation-3);
  z-index: 200;
  padding: var(--md-spacing-4);
  opacity: 0;
  transform: scaleY(0.9);
  transform-origin: top left;
  pointer-events: none;
  transition: opacity var(--md-motion-duration-short) var(--md-motion-easing-standard),
              transform var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.date-picker--open .date-picker__dropdown {
  opacity: 1;
  transform: scaleY(1);
  pointer-events: auto;
}

.date-picker__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--md-spacing-3);
}

.date-picker__month-year {
  font-size: var(--md-title-small-size);
  font-weight: var(--md-title-small-weight);
  color: var(--md-on-surface);
}

.date-picker__nav {
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--md-carousel-button-size);
  height: var(--md-carousel-button-size);
  border-radius: var(--md-shape-full);
  background: none;
  border: none;
  color: var(--md-on-surface-variant);
  cursor: pointer;
  transition: background-color var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.date-picker__nav:hover {
  background-color: var(--md-surface-container-high);
}

.date-picker__weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  text-align: center;
  margin-bottom: var(--md-spacing-1);
}

.date-picker__weekdays span {
  font-size: var(--md-label-small-size);
  font-weight: var(--md-label-small-weight);
  color: var(--md-on-surface-variant);
  padding: var(--md-spacing-2) 0;
}

.date-picker__days {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: calc(var(--md-spacing-1) / 2);
}

.date-picker__day {
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--md-carousel-button-size);
  height: var(--md-carousel-button-size);
  margin: 0 auto;
  border-radius: var(--md-shape-full);
  background: none;
  border: none;
  font-size: var(--md-body-medium-size);
  color: var(--md-on-surface);
  cursor: pointer;
  transition: background-color var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.date-picker__day:hover {
  background-color: var(--md-surface-container-high);
}

.date-picker__day--today {
  border: var(--md-divider-thickness) solid var(--md-primary);
  color: var(--md-primary);
}

.date-picker__day--selected {
  background-color: var(--md-primary);
  color: var(--md-on-primary);
}

.date-picker__day--selected:hover {
  background-color: var(--md-primary);
}

.date-picker__day--outside {
  color: var(--md-on-surface-variant);
  opacity: 0.38;
}

/* ---- M3 Time Input ---- */
.time-input {
  position: relative;
  display: inline-block;
  margin-bottom: var(--md-spacing-6);
}

.time-input__field {
  cursor: pointer;
}

.time-input__input {
  cursor: pointer;
  padding-right: var(--md-menu-item-height) !important;
}

.time-input__icon {
  position: absolute;
  right: var(--md-spacing-3);
  top: 50%;
  transform: translateY(-50%);
  font-size: var(--md-icon-size-medium);
  color: var(--md-on-surface-variant);
  pointer-events: none;
}

.time-input__dropdown {
  position: absolute;
  top: calc(100% + var(--md-spacing-1));
  left: 0;
  z-index: 10;
  background-color: var(--md-surface-container-high);
  border-radius: var(--md-shape-medium);
  box-shadow: var(--md-elevation-2);
  padding: var(--md-spacing-4);
  min-width: var(--md-list-max-height);
  opacity: 0;
  transform: scaleY(0.8);
  transform-origin: top;
  pointer-events: none;
  transition: opacity var(--md-motion-duration-short) var(--md-motion-easing-standard),
              transform var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.time-input--open .time-input__dropdown {
  opacity: 1;
  transform: scaleY(1);
  pointer-events: auto;
}

.time-input__header {
  text-align: center;
  margin-bottom: var(--md-spacing-4);
}

.time-input__display {
  font-size: var(--md-headline-medium-size);
  font-weight: var(--md-headline-medium-weight);
  color: var(--md-on-surface);
}

.time-input__body {
  display: flex;
  gap: var(--md-spacing-2);
  margin-bottom: var(--md-spacing-4);
}

.time-input__column {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.time-input__column--period {
  flex: 0 0 auto;
  width: var(--md-narrow-component-width);
}

.time-input__label {
  font-size: var(--md-label-small-size);
  color: var(--md-on-surface-variant);
  text-align: center;
  margin-bottom: var(--md-spacing-2);
}

.time-input__scroller {
  height: var(--md-scrollable-list-height);
  overflow-y: auto;
  background-color: var(--md-surface-container-high);
  border-radius: var(--md-shape-small);
  scroll-snap-type: y mandatory;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.time-input__scroller::-webkit-scrollbar {
  display: none;
}

.time-input__option {
  height: var(--md-button-height-medium);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--md-body-large-size);
  color: var(--md-on-surface);
  cursor: pointer;
  scroll-snap-align: start;
  transition: background-color var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.time-input__option:hover {
  background-color: var(--md-surface-container-highest);
}

.time-input__option--selected {
  background-color: var(--md-primary-container);
  color: var(--md-on-primary-container);
}

.time-input__period-btn {
  width: 100%;
  height: var(--md-button-height-medium);
  border: var(--md-divider-thickness) solid var(--md-outline);
  background: none;
  color: var(--md-on-surface);
  cursor: pointer;
  font-size: var(--md-label-large-size);
  transition: background-color var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.time-input__period-btn:first-child {
  border-radius: var(--md-shape-small) var(--md-shape-small) 0 0;
  margin-bottom: var(--md-spacing-2);
}

.time-input__period-btn:last-child {
  border-radius: 0 0 var(--md-shape-small) var(--md-shape-small);
}

.time-input__period-btn--active {
  background-color: var(--md-primary-container);
  color: var(--md-on-primary-container);
  border-color: transparent;
}

.time-input__actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--md-spacing-2);
}

/* ====================================================
   NEW COMPONENTS
   ==================================================== */

/* ---- M3 Checkbox ---- */
.checkbox {
  display: inline-flex;
  align-items: center;
  gap: var(--md-spacing-3);
  cursor: pointer;
}

.checkbox__input {
  -webkit-appearance: none;
  appearance: none;
  width: var(--md-icon-size-small);
  height: var(--md-icon-size-small);
  border: calc(var(--md-divider-thickness) * 2) solid var(--md-on-surface-variant);
  border-radius: var(--md-shape-extra-small-half);
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
  transition: background-color var(--md-motion-duration-short) var(--md-motion-easing-standard),
              border-color var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.checkbox__input:checked {
  background-color: var(--md-primary);
  border-color: var(--md-primary);
}

.checkbox__input:checked::after {
  content: '';
  position: absolute;
  left: var(--md-spacing-1);
  top: var(--md-divider-thickness);
  width: var(--md-dropdown-arrow-width);
  height: var(--md-dropdown-arrow-height);
  border: solid var(--md-on-primary);
  border-width: 0 calc(var(--md-divider-thickness) * 2) calc(var(--md-divider-thickness) * 2) 0;
  transform: rotate(45deg);
}

.checkbox__input:focus-visible {
  outline: calc(var(--md-divider-thickness) * 2) solid var(--md-primary);
  outline-offset: calc(var(--md-spacing-1) / 2);
}

.checkbox__label {
  font-size: var(--md-body-medium-size);
  line-height: var(--md-body-medium-line);
  color: var(--md-on-surface);
  user-select: none;
}

.checkbox__input:disabled {
  opacity: 0.38;
  cursor: default;
}

.checkbox__input:disabled ~ .checkbox__label {
  opacity: 0.38;
  cursor: default;
}

/* ---- M3 Radio Button ---- */
.radio {
  display: inline-flex;
  align-items: center;
  gap: var(--md-spacing-3);
  cursor: pointer;
}

.radio__input {
  -webkit-appearance: none;
  appearance: none;
  width: var(--md-spacing-5);
  height: var(--md-spacing-5);
  border: calc(var(--md-divider-thickness) * 2) solid var(--md-on-surface-variant);
  border-radius: var(--md-shape-full);
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
  transition: border-color var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.radio__input:checked {
  border-color: var(--md-primary);
}

.radio__input:checked::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: var(--md-indicator-size-medium);
  height: var(--md-indicator-size-medium);
  border-radius: var(--md-shape-full);
  background-color: var(--md-primary);
}

.radio__input:focus-visible {
  outline: calc(var(--md-divider-thickness) * 2) solid var(--md-primary);
  outline-offset: calc(var(--md-spacing-1) / 2);
}

.radio__label {
  font-size: var(--md-body-medium-size);
  line-height: var(--md-body-medium-line);
  color: var(--md-on-surface);
  user-select: none;
}

.radio-group {
  display: flex;
  flex-direction: column;
  gap: var(--md-spacing-3);
  margin-bottom: var(--md-spacing-6);
}

.radio-group--horizontal {
  flex-direction: row;
  gap: var(--md-spacing-6);
}

/* ---- M3 Segmented Button ---- */
.segmented-button {
  display: inline-flex;
  border: var(--md-divider-thickness) solid var(--md-outline);
  border-radius: var(--md-shape-full);
  overflow: hidden;
  margin-bottom: var(--md-spacing-6);
}

.segmented-button__item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--md-spacing-2);
  min-height: var(--md-button-height-medium);
  padding: var(--md-button-padding-y-medium) var(--md-button-padding-x-medium);
  background: none;
  border: none;
  border-right: var(--md-divider-thickness) solid var(--md-outline);
  font-size: var(--md-label-large-size);
  font-weight: var(--md-label-large-weight);
  line-height: var(--md-label-large-line);
  color: var(--md-on-surface);
  cursor: pointer;
  transition: background-color var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.segmented-button__item:last-child {
  border-right: none;
}

.segmented-button__item:hover {
  background-color: var(--md-surface-container-high);
}

.segmented-button__item--selected {
  background-color: var(--md-secondary-container);
  color: var(--md-on-secondary-container);
}

.segmented-button__item--selected:hover {
  background-color: var(--md-secondary-container);
  filter: brightness(1.1);
}

.segmented-button__icon {
  font-size: var(--md-icon-size-small);
}

/* ---- M3 Icon Button ---- */
.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--md-icon-button-size);
  height: var(--md-icon-button-size);
  border: none;
  border-radius: var(--md-shape-full);
  background: none;
  color: var(--md-on-surface-variant);
  font-size: var(--md-icon-size-medium);
  cursor: pointer;
  transition: background-color var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.icon-btn:hover {
  background-color: var(--md-surface-container-high);
}

.icon-btn--filled {
  background-color: var(--md-primary);
  color: var(--md-on-primary);
}

.icon-btn--filled:hover {
  box-shadow: var(--md-elevation-1);
  filter: brightness(1.1);
}

.icon-btn--tonal {
  background-color: var(--md-secondary-container);
  color: var(--md-on-secondary-container);
}

.icon-btn--tonal:hover {
  box-shadow: var(--md-elevation-1);
}

.icon-btn--outlined {
  border: var(--md-divider-thickness) solid var(--md-outline);
}

.icon-btn--outlined:hover {
  background-color: var(--md-surface-container-high);
}

/* ---- M3 Search Bar ---- */
.search-bar {
  position: relative;
  margin-bottom: var(--md-spacing-6);
}

.search-bar__input {
  width: 100%;
  padding: var(--md-spacing-3) var(--md-spacing-4);
  padding-left: var(--md-menu-item-height);
  padding-right: var(--md-menu-item-height);
  background-color: var(--md-surface-container-high);
  border: none;
  border-radius: var(--md-shape-full);
  color: var(--md-on-surface);
  font-size: var(--md-body-medium-size);
  outline: none;
  transition: background-color var(--md-motion-duration-short) var(--md-motion-easing-standard),
              box-shadow var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.search-bar__input:focus {
  background-color: var(--md-surface-container-highest);
  box-shadow: var(--md-elevation-1);
}

.search-bar__input::placeholder {
  color: var(--md-on-surface-variant);
}

/* Hide native search input clear button (to avoid duplicate with custom button) */
.search-bar__input::-webkit-search-cancel-button {
  display: none;
}

.search-bar__input::-webkit-search-decoration {
  display: none;
}

.search-bar__leading {
  position: absolute;
  left: var(--md-spacing-3);
  top: 50%;
  transform: translateY(-50%);
  font-size: var(--md-icon-size-medium);
  color: var(--md-on-surface-variant);
  pointer-events: none;
}

.search-bar__trailing {
  position: absolute;
  right: var(--md-spacing-1);
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--md-icon-button-size);
  height: var(--md-icon-button-size);
  border: none;
  border-radius: var(--md-shape-full);
  background: none;
  color: var(--md-on-surface-variant);
  font-size: var(--md-icon-size-medium);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--md-motion-duration-short) var(--md-motion-easing-standard),
              background-color var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.search-bar__trailing--visible {
  opacity: 1;
  pointer-events: auto;
}

.search-bar__trailing:hover {
  background-color: var(--md-surface-container-highest);
}

/* ---- M3 Pagination ---- */
.pagination {
  display: flex;
  align-items: center;
  gap: var(--md-spacing-1);
  margin-bottom: var(--md-spacing-6);
}

.pagination__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: var(--md-icon-button-size);
  height: var(--md-icon-button-size);
  padding: 0 var(--md-spacing-1);
  border: none;
  border-radius: var(--md-shape-full);
  background: none;
  color: var(--md-on-surface);
  font-size: var(--md-body-medium-size);
  font-weight: var(--md-label-large-weight);
  cursor: pointer;
  transition: background-color var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.pagination__btn:hover {
  background-color: var(--md-surface-container-high);
}

.pagination__btn--active {
  background-color: var(--md-primary);
  color: var(--md-on-primary);
}

.pagination__btn--active:hover {
  background-color: var(--md-primary);
  filter: brightness(1.1);
}

.pagination__btn:disabled {
  opacity: 0.38;
  cursor: default;
  pointer-events: none;
}

.pagination__ellipsis {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: var(--md-icon-button-size);
  height: var(--md-icon-button-size);
  color: var(--md-on-surface-variant);
  font-size: var(--md-body-medium-size);
}

/* ---- M3 Breadcrumbs ---- */
.breadcrumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--md-spacing-1);
  margin-bottom: var(--md-spacing-6);
  font-size: var(--md-body-medium-size);
  line-height: var(--md-body-medium-line);
}

.breadcrumbs__item {
  display: inline-flex;
  align-items: center;
}

.breadcrumbs__link {
  color: var(--md-primary);
  text-decoration: none;
  padding: var(--md-spacing-1) var(--md-spacing-2);
  border-radius: var(--md-shape-extra-small);
  transition: background-color var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.breadcrumbs__link:hover {
  background-color: var(--md-surface-container-high);
}

.breadcrumbs__separator {
  color: var(--md-on-surface-variant);
  font-size: var(--md-icon-size-small);
  margin: 0 var(--md-spacing-1);
}

.breadcrumbs__current {
  color: var(--md-on-surface);
  padding: var(--md-spacing-1) var(--md-spacing-2);
}

/* ---- M3 Stepper ---- */
.stepper {
  display: flex;
  align-items: flex-start;
  margin-bottom: var(--md-spacing-6);
}

.stepper--vertical {
  flex-direction: column;
}

.stepper__step {
  display: flex;
  align-items: center;
}

.stepper--vertical .stepper__step {
  align-items: flex-start;
}

.stepper__indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--md-button-height-small);
  height: var(--md-button-height-small);
  border-radius: var(--md-shape-full);
  background-color: var(--md-surface-container-highest);
  color: var(--md-on-surface-variant);
  font-size: var(--md-label-large-size);
  font-weight: var(--md-label-large-weight);
  flex-shrink: 0;
  transition: background-color var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.stepper__step--active .stepper__indicator {
  background-color: var(--md-primary);
  color: var(--md-on-primary);
}

.stepper__step--completed .stepper__indicator {
  background-color: var(--md-primary);
  color: var(--md-on-primary);
}

.stepper__content {
  margin-left: var(--md-spacing-3);
}

.stepper__title {
  font-size: var(--md-label-large-size);
  font-weight: var(--md-label-large-weight);
  line-height: var(--md-label-large-line);
  color: var(--md-on-surface-variant);
}

.stepper__step--active .stepper__title,
.stepper__step--completed .stepper__title {
  color: var(--md-on-surface);
}

.stepper__subtitle {
  font-size: var(--md-body-small-size);
  line-height: var(--md-body-small-line);
  color: var(--md-on-surface-variant);
}

.stepper__connector {
  flex: 1;
  height: var(--md-divider-thickness);
  background-color: var(--md-outline-variant);
  margin: 0 var(--md-spacing-3);
  align-self: center;
  min-width: var(--md-icon-size-medium);
}

.stepper__step--completed + .stepper__connector {
  background-color: var(--md-primary);
}

.stepper--vertical .stepper__connector {
  width: var(--md-divider-thickness);
  height: var(--md-button-height-small);
  flex: none;
  min-width: auto;
  margin: var(--md-spacing-1) 0 var(--md-spacing-1) var(--md-spacing-4);
  align-self: flex-start;
}

/* ---- M3 Skeleton Loader ---- */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--md-surface-container-high) 25%,
    var(--md-surface-container-highest) 50%,
    var(--md-surface-container-high) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s ease-in-out infinite;
  border-radius: var(--md-shape-extra-small);
}

@keyframes skeleton-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.skeleton--text {
  height: var(--md-skeleton-text-height);
  margin-bottom: var(--md-spacing-2);
  width: 100%;
}

.skeleton--text-short {
  height: var(--md-skeleton-text-height);
  margin-bottom: var(--md-spacing-2);
  width: 60%;
}

.skeleton--heading {
  height: var(--md-icon-size-medium);
  margin-bottom: var(--md-spacing-3);
  width: 40%;
}

.skeleton--avatar {
  width: var(--md-icon-button-size);
  height: var(--md-icon-button-size);
  border-radius: var(--md-shape-full);
}

.skeleton--image {
  width: 100%;
  height: var(--md-image-placeholder-height);
  border-radius: var(--md-shape-medium);
}

.skeleton--button {
  width: var(--md-skeleton-button-width);
  height: var(--md-icon-button-size);
  border-radius: var(--md-shape-full);
}

/* ---- M3 Avatar (Standalone) ---- */
.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--md-icon-button-size);
  height: var(--md-icon-button-size);
  border-radius: var(--md-shape-full);
  background-color: var(--md-primary-container);
  color: var(--md-on-primary-container);
  font-size: var(--md-title-medium-size);
  font-weight: var(--md-title-medium-weight);
  flex-shrink: 0;
  overflow: hidden;
}

.avatar--small {
  width: var(--md-avatar-size-small);
  height: var(--md-avatar-size-small);
  font-size: var(--md-label-medium-size);
}

.avatar--large {
  width: var(--md-fab-size-medium);
  height: var(--md-fab-size-medium);
  font-size: var(--md-headline-small-size);
}

.avatar--extra-large {
  width: var(--md-avatar-size-large);
  height: var(--md-avatar-size-large);
  font-size: var(--md-display-small-size);
}

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.avatar-group {
  display: flex;
  margin-bottom: var(--md-spacing-6);
}

.avatar-group .avatar {
  border: calc(var(--md-divider-thickness) * 2) solid var(--md-surface);
  margin-left: calc(var(--md-spacing-2) * -1);
}

.avatar-group .avatar:first-child {
  margin-left: 0;
}

/* ---- M3 Alert / Callout ---- */
.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--md-spacing-3);
  padding: var(--md-spacing-4) var(--md-spacing-6);
  border-radius: var(--md-shape-medium);
  margin-bottom: var(--md-spacing-4);
}

.alert--info {
  background-color: var(--md-surface-container);
  border-left: var(--md-spacing-1) solid var(--md-primary);
}

.alert--success {
  background-color: var(--md-surface-container);
  border-left: var(--md-spacing-1) solid var(--md-primary);
}

.alert--warning {
  background-color: var(--md-surface-container);
  border-left: var(--md-spacing-1) solid var(--md-tertiary);
}

.alert--error {
  background-color: var(--md-error-container);
  border-left: var(--md-spacing-1) solid var(--md-error);
}

.alert__icon {
  font-size: var(--md-icon-size-medium);
  flex-shrink: 0;
  line-height: 1;
  padding-top: calc(var(--md-spacing-1) / 2);
}

.alert--info .alert__icon { color: var(--md-primary); }
.alert--success .alert__icon { color: var(--md-primary); }
.alert--warning .alert__icon { color: var(--md-tertiary); }
.alert--error .alert__icon { color: var(--md-error); }

.alert__content {
  flex: 1;
}

.alert__title {
  font-size: var(--md-title-small-size);
  font-weight: var(--md-title-small-weight);
  line-height: var(--md-title-small-line);
  color: var(--md-on-surface);
  margin-bottom: var(--md-spacing-1);
}

.alert__text {
  font-size: var(--md-body-medium-size);
  line-height: var(--md-body-medium-line);
  color: var(--md-on-surface-variant);
  margin-bottom: 0;
}

.alert__close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--md-button-height-small);
  height: var(--md-button-height-small);
  border: none;
  border-radius: var(--md-shape-full);
  background: none;
  color: var(--md-on-surface-variant);
  cursor: pointer;
  flex-shrink: 0;
  font-size: var(--md-icon-size-small);
  transition: background-color var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.alert__close:hover {
  background-color: var(--md-surface-container-high);
}

/* ---- M3 Bottom Navigation Bar ---- */
.bottom-nav {
  display: flex;
  align-items: center;
  justify-content: space-around;
  background-color: var(--md-surface-container);
  height: var(--md-nav-rail-width);
  padding: 0 var(--md-spacing-2);
  box-shadow: var(--md-elevation-2);
  border-radius: var(--md-shape-large);
}

.bottom-nav__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  padding: var(--md-spacing-3) 0;
  text-decoration: none;
  color: var(--md-on-surface-variant);
  transition: color var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.bottom-nav__indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--md-top-app-bar-height-small);
  height: var(--md-button-height-small);
  border-radius: var(--md-shape-full);
  margin-bottom: var(--md-spacing-1);
  transition: background-color var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.bottom-nav__item:hover .bottom-nav__indicator {
  background-color: var(--md-surface-container-high);
}

.bottom-nav__item--active .bottom-nav__indicator {
  background-color: var(--md-secondary-container);
}

.bottom-nav__item--active {
  color: var(--md-on-surface);
}

.bottom-nav__icon {
  font-size: var(--md-icon-size-medium);
}

.bottom-nav__label {
  font-size: var(--md-label-medium-size);
  font-weight: var(--md-label-medium-weight);
  line-height: var(--md-label-medium-line);
}

/* ---- M3 Carousel ---- */
.carousel {
  position: relative;
  overflow: hidden;
  border-radius: var(--md-shape-large);
  margin-bottom: var(--md-spacing-6);
}

.carousel__track {
  display: flex;
  transition: transform var(--md-motion-duration-long) var(--md-motion-easing-emphasized);
}

.carousel__slide {
  min-width: 100%;
  aspect-ratio: 16 / 9;
  background-color: var(--md-surface-container);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.carousel__slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.carousel__btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--md-menu-item-height);
  height: var(--md-menu-item-height);
  border: none;
  border-radius: var(--md-shape-full);
  background-color: var(--md-surface-container);
  color: var(--md-on-surface);
  font-size: var(--md-icon-size-medium);
  cursor: pointer;
  box-shadow: var(--md-elevation-2);
  z-index: 1;
  opacity: 0.9;
  transition: opacity var(--md-motion-duration-short) var(--md-motion-easing-standard),
              box-shadow var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.carousel__btn:hover {
  opacity: 1;
  box-shadow: var(--md-elevation-3);
}

.carousel__btn--prev {
  left: var(--md-spacing-3);
}

.carousel__btn--next {
  right: var(--md-spacing-3);
}

.carousel__dots {
  display: flex;
  justify-content: center;
  gap: var(--md-spacing-2);
  padding: var(--md-spacing-3) 0;
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
}

.carousel__dot {
  width: var(--md-indicator-size-small);
  height: var(--md-indicator-size-small);
  border-radius: var(--md-shape-full);
  border: none;
  background-color: var(--md-on-surface-variant);
  opacity: 0.5;
  cursor: pointer;
  padding: 0;
  transition: opacity var(--md-motion-duration-short) var(--md-motion-easing-standard),
              width var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.carousel__dot--active {
  opacity: 1;
  background-color: var(--md-primary);
  width: var(--md-icon-size-medium);
}

/* ---- M3 Timeline ---- */
.timeline {
  position: relative;
  margin-bottom: var(--md-spacing-6);
  padding-left: var(--md-spacing-8);
}

.timeline::before {
  content: '';
  position: absolute;
  left: var(--md-icon-position-offset);
  top: 0;
  bottom: 0;
  width: calc(var(--md-divider-thickness) * 2);
  background-color: var(--md-outline-variant);
}

.timeline__item {
  position: relative;
  padding-bottom: var(--md-spacing-6);
}

.timeline__item:last-child {
  padding-bottom: 0;
}

.timeline__dot {
  position: absolute;
  left: calc(-1 * var(--md-spacing-8) + var(--md-spacing-2));
  top: var(--md-spacing-1);
  width: var(--md-spacing-4);
  height: var(--md-spacing-4);
  border-radius: var(--md-shape-full);
  background-color: var(--md-surface-container-highest);
  border: calc(var(--md-divider-thickness) * 2) solid var(--md-outline-variant);
}

.timeline__item--active .timeline__dot {
  background-color: var(--md-primary);
  border-color: var(--md-primary);
}

.timeline__title {
  font-size: var(--md-title-small-size);
  font-weight: var(--md-title-small-weight);
  line-height: var(--md-title-small-line);
  color: var(--md-on-surface);
  margin-bottom: var(--md-spacing-1);
}

.timeline__time {
  font-size: var(--md-label-small-size);
  color: var(--md-on-surface-variant);
  margin-bottom: var(--md-spacing-2);
  display: block;
}

.timeline__text {
  font-size: var(--md-body-medium-size);
  line-height: var(--md-body-medium-line);
  color: var(--md-on-surface-variant);
  margin-bottom: 0;
}

/* ---- M3 Rating ---- */
.rating {
  display: inline-flex;
  align-items: center;
  gap: var(--md-spacing-1);
  margin-bottom: var(--md-spacing-6);
}

.rating__star {
  font-size: var(--md-headline-small-size);
  cursor: pointer;
  color: var(--md-outline);
  transition: color var(--md-motion-duration-short) var(--md-motion-easing-standard),
              transform var(--md-motion-duration-short) var(--md-motion-easing-standard);
  user-select: none;
  -webkit-user-select: none;
}

.rating__star:hover {
  transform: scale(1.2);
}

.rating__star--filled {
  color: var(--md-rating-active);
}

.rating__value {
  font-size: var(--md-label-large-size);
  font-weight: var(--md-label-large-weight);
  color: var(--md-on-surface);
  margin-left: var(--md-spacing-2);
}

.rating--readonly .rating__star {
  cursor: default;
}

.rating--readonly .rating__star:hover {
  transform: none;
}

/* ---- M3 File Upload ---- */
.file-upload {
  margin-bottom: var(--md-spacing-6);
}

.file-upload__dropzone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--md-spacing-3);
  padding: var(--md-spacing-8);
  border: calc(var(--md-divider-thickness) * 2) dashed var(--md-outline);
  border-radius: var(--md-shape-medium);
  background-color: var(--md-surface-container-low);
  cursor: pointer;
  transition: border-color var(--md-motion-duration-short) var(--md-motion-easing-standard),
              background-color var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.file-upload__dropzone:hover,
.file-upload__dropzone--dragover {
  border-color: var(--md-primary);
  background-color: var(--md-surface-container);
}

.file-upload__icon {
  font-size: var(--md-menu-item-height);
  color: var(--md-on-surface-variant);
}

.file-upload__text {
  font-size: var(--md-body-medium-size);
  line-height: var(--md-body-medium-line);
  color: var(--md-on-surface-variant);
  text-align: center;
  margin-bottom: 0;
}

.file-upload__text strong {
  color: var(--md-primary);
}

.file-upload__hint {
  font-size: var(--md-body-small-size);
  line-height: var(--md-body-small-line);
  color: var(--md-on-surface-variant);
  margin-bottom: 0;
}

.file-upload__input {
  display: none;
}

.file-upload__list {
  margin-top: var(--md-spacing-4);
  display: flex;
  flex-direction: column;
  gap: var(--md-spacing-2);
}

.file-upload__file {
  display: flex;
  align-items: center;
  gap: var(--md-spacing-3);
  padding: var(--md-spacing-3) var(--md-spacing-4);
  background-color: var(--md-surface-container);
  border-radius: var(--md-shape-small);
}

.file-upload__file-icon {
  font-size: var(--md-icon-size-medium);
  color: var(--md-primary);
}

.file-upload__file-name {
  flex: 1;
  font-size: var(--md-body-medium-size);
  color: var(--md-on-surface);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-upload__file-size {
  font-size: var(--md-body-small-size);
  color: var(--md-on-surface-variant);
}

.file-upload__file-remove {
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--md-icon-size-medium-large);
  height: var(--md-icon-size-medium-large);
  border: none;
  border-radius: var(--md-shape-full);
  background: none;
  color: var(--md-on-surface-variant);
  cursor: pointer;
  font-size: var(--md-icon-size-small);
  transition: background-color var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.file-upload__file-remove:hover {
  background-color: var(--md-surface-container-high);
}

/* ---- M3 Empty State ---- */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--md-spacing-16) var(--md-spacing-6);
  margin-bottom: var(--md-spacing-6);
}

.empty-state__icon {
  font-size: var(--md-top-app-bar-height-small);
  color: var(--md-on-surface-variant);
  opacity: 0.5;
  margin-bottom: var(--md-spacing-4);
}

.empty-state__title {
  font-size: var(--md-title-large-size);
  font-weight: var(--md-title-large-weight);
  line-height: var(--md-title-large-line);
  color: var(--md-on-surface);
  margin-bottom: var(--md-spacing-2);
}

.empty-state__text {
  font-size: var(--md-body-medium-size);
  line-height: var(--md-body-medium-line);
  color: var(--md-on-surface-variant);
  max-width: var(--md-component-width-medium);
  margin-bottom: var(--md-spacing-6);
}

.empty-state__actions {
  display: flex;
  gap: var(--md-spacing-3);
}

/* ---- M3 Side Sheet ---- */
.side-sheet__scrim {
  position: fixed;
  inset: 0;
  background-color: var(--md-scrim-light);
  z-index: 300;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--md-motion-duration-medium) var(--md-motion-easing-standard);
}

.side-sheet__scrim--visible {
  opacity: 1;
  pointer-events: auto;
}

.side-sheet {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: var(--md-component-width-medium);
  max-width: 90vw;
  background-color: var(--md-surface-container-low);
  box-shadow: var(--md-elevation-3);
  z-index: 301;
  transform: translateX(100%);
  transition: transform var(--md-motion-duration-medium) var(--md-motion-easing-emphasized);
  overflow-y: auto;
}

.side-sheet--visible {
  transform: translateX(0);
}

.side-sheet__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--md-spacing-4) var(--md-spacing-6);
  border-bottom: var(--md-divider-thickness) solid var(--md-outline-variant);
}

.side-sheet__title {
  font-size: var(--md-title-large-size);
  font-weight: var(--md-title-large-weight);
  line-height: var(--md-title-large-line);
  color: var(--md-on-surface);
}

.side-sheet__close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--md-icon-button-size);
  height: var(--md-icon-button-size);
  border: none;
  border-radius: var(--md-shape-full);
  background: none;
  color: var(--md-on-surface-variant);
  font-size: var(--md-icon-size-medium);
  cursor: pointer;
  transition: background-color var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.side-sheet__close:hover {
  background-color: var(--md-surface-container-high);
}

.side-sheet__content {
  padding: var(--md-spacing-6);
}

/* ---- M3 Top App Bar Variants (demo only) ---- */
.top-app-bar-demo {
  background-color: var(--md-surface);
  border: var(--md-divider-thickness) solid var(--md-outline-variant);
  border-radius: var(--md-shape-medium);
  margin-bottom: var(--md-spacing-6);
  overflow: hidden;
}

/* Small / Default variant */
.top-app-bar-demo__bar {
  display: flex;
  align-items: center;
  padding: 0 var(--md-spacing-2);
  height: var(--md-top-app-bar-height-small);
  gap: var(--md-spacing-2);
}

/* Center-aligned variant */
.top-app-bar-demo__bar--center .top-app-bar-demo__title {
  flex: 1;
  text-align: center;
}

/* Medium variant */
.top-app-bar-demo__bar--medium {
  flex-wrap: wrap;
  height: auto;
  min-height: var(--md-top-app-bar-height-medium);
  align-content: flex-start;
  padding-top: var(--md-spacing-2);
  padding-bottom: var(--md-spacing-5);
}

.top-app-bar-demo__bar--medium .top-app-bar-demo__title {
  width: 100%;
  order: 10;
  font-size: var(--md-title-large-size);
  font-weight: var(--md-title-large-weight);
  line-height: var(--md-title-large-line);
  margin-top: var(--md-spacing-4);
  padding: 0 var(--md-spacing-4);
}

/* Large variant */
.top-app-bar-demo__bar--large {
  flex-wrap: wrap;
  height: auto;
  min-height: var(--md-top-app-bar-height-large);
  align-content: flex-start;
  padding-top: var(--md-spacing-2);
  padding-bottom: var(--md-spacing-6);
}

.top-app-bar-demo__bar--large .top-app-bar-demo__title {
  width: 100%;
  order: 10;
  font-size: var(--md-headline-small-size);
  font-weight: var(--md-headline-small-weight);
  line-height: var(--md-headline-small-line);
  margin-top: var(--md-spacing-6);
  padding: 0 var(--md-spacing-4);
}

/* Default title (small and center-aligned) */
.top-app-bar-demo__title {
  font-size: var(--md-title-medium-size);
  font-weight: var(--md-title-medium-weight);
  line-height: var(--md-title-medium-line);
  color: var(--md-on-surface);
}

/* Spacer for medium/large variants (pushes title to new line) */
.top-app-bar-demo__spacer {
  flex: 1;
}
/* ====================================================
   EXTENDED COMPONENTS - Additional M3 Components
   ==================================================== */

/* ---- Number Input ---- */
.number-input {
  position: relative;
  display: flex;
  align-items: center;
}

.number-input__input {
  padding-right: calc(var(--md-spacing-12) + var(--md-spacing-2));
  -moz-appearance: textfield;
}

.number-input__input::-webkit-outer-spin-button,
.number-input__input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.number-input__controls {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 0;
}

.number-input__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--md-button-height-small);
  height: calc(var(--md-input-field-height) / 2 - 1px);
  border: none;
  background: transparent;
  color: var(--md-on-surface-variant);
  cursor: pointer;
  transition: background-color var(--md-motion-duration-short) var(--md-motion-easing-standard);
  font-size: var(--md-icon-size-small);
}

.number-input__btn:hover {
  background-color: var(--md-surface-container-high);
}

.number-input__btn .material-symbols-outlined {
  font-size: var(--md-icon-size-small);
}

.number-input__btn--increment {
  border-radius: 0 var(--md-shape-extra-small) 0 0;
}

.number-input__btn--decrement {
  border-radius: 0 0 var(--md-shape-extra-small) 0;
}

.text-field--outlined .number-input__btn--increment {
  border-radius: 0 var(--md-shape-extra-small) 0 0;
}

.text-field--outlined .number-input__btn--decrement {
  border-radius: 0 0 var(--md-shape-extra-small) 0;
}

/* ---- Password Input ---- */
.password-input {
  position: relative;
  display: flex;
  align-items: center;
}

.password-input__input {
  padding-right: calc(var(--md-input-icon-area) + var(--md-spacing-2));
}

.password-input__toggle {
  position: absolute;
  right: var(--md-spacing-1);
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--md-icon-button-size);
  height: var(--md-icon-button-size);
  border: none;
  border-radius: var(--md-shape-full);
  background: transparent;
  color: var(--md-on-surface-variant);
  cursor: pointer;
  transition: background-color var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.password-input__toggle:hover {
  background-color: var(--md-surface-container-high);
}

.password-input__icon {
  position: absolute;
  font-size: var(--md-icon-size-medium);
  transition: opacity var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.password-input__icon--hide {
  opacity: 0;
}

.password-input__toggle.password-input__toggle--visible .password-input__icon--show {
  opacity: 0;
}

.password-input__toggle.password-input__toggle--visible .password-input__icon--hide {
  opacity: 1;
}

/* Password Strength Indicator */
.password-strength {
  margin-top: var(--md-spacing-1);
}

.password-strength__bar {
  height: var(--md-progress-bar-height);
  background-color: var(--md-surface-container-high);
  border-radius: var(--md-shape-full);
  overflow: hidden;
}

.password-strength__fill {
  height: 100%;
  width: 0%;
  background-color: var(--md-error);
  transition: width var(--md-motion-duration-medium) var(--md-motion-easing-standard),
              background-color var(--md-motion-duration-medium) var(--md-motion-easing-standard);
}

.password-strength--weak .password-strength__fill {
  width: 33%;
  background-color: var(--md-error);
}

.password-strength--medium .password-strength__fill {
  width: 66%;
  background-color: var(--md-warning);
}

.password-strength--strong .password-strength__fill {
  width: 100%;
  background-color: var(--md-primary);
}

.password-strength__text {
  font-size: var(--md-body-small-size);
  color: var(--md-on-surface-variant);
  margin-top: 0;
}

/* ---- Textarea ---- */
.text-field--textarea .text-field__textarea {
  min-height: var(--md-textarea-min-height);
  resize: vertical;
  font-family: var(--md-font-main);
}

.text-field--textarea .text-field__textarea[data-auto-resize="true"] {
  resize: none;
  overflow: hidden;
}

.textarea__counter {
  position: absolute;
  bottom: var(--md-spacing-2);
  right: var(--md-spacing-4);
  font-size: var(--md-body-small-size);
  color: var(--md-on-surface-variant);
  pointer-events: none;
}

.text-field--outlined .textarea__counter {
  bottom: var(--md-spacing-3);
}

/* ---- Time Picker ---- */
.time-picker {
  position: relative;
}

.time-picker__input {
  cursor: pointer;
  padding-right: var(--md-input-icon-area);
}

.time-picker .text-field__icon {
  position: absolute;
  right: var(--md-spacing-4);
  top: 50%;
  transform: translateY(-50%);
  font-size: var(--md-icon-size-medium);
  color: var(--md-on-surface-variant);
  pointer-events: none;
}

.time-picker__dropdown {
  position: absolute;
  top: calc(100% + var(--md-spacing-1));
  left: 0;
  z-index: 100;
  background-color: var(--md-surface-container);
  border-radius: var(--md-shape-large);
  box-shadow: var(--md-elevation-3);
  padding: var(--md-spacing-4);
  display: none;
  min-width: var(--md-list-max-height);
}

.time-picker__dropdown--visible {
  display: block;
}

.time-picker__header {
  text-align: center;
  margin-bottom: var(--md-spacing-4);
}

.time-picker__display {
  font-size: var(--md-headline-medium-size);
  font-weight: var(--md-headline-medium-weight);
  color: var(--md-on-surface);
}

.time-picker__body {
  display: flex;
  gap: var(--md-spacing-2);
  margin-bottom: var(--md-spacing-4);
}

.time-picker__column {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.time-picker__column--period {
  flex: 0 0 auto;
  width: var(--md-narrow-component-width);
}

.time-picker__label {
  font-size: var(--md-label-small-size);
  color: var(--md-on-surface-variant);
  text-align: center;
  margin-bottom: var(--md-spacing-2);
}

.time-picker__scroller {
  height: var(--md-scrollable-list-height);
  overflow-y: auto;
  background-color: var(--md-surface-container-high);
  border-radius: var(--md-shape-small);
  scroll-snap-type: y mandatory;
}

.time-picker__option {
  height: var(--md-button-height-medium);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  scroll-snap-align: center;
  font-size: var(--md-body-large-size);
  color: var(--md-on-surface-variant);
  transition: background-color var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.time-picker__option:hover {
  background-color: var(--md-surface-container-highest);
}

.time-picker__option--selected {
  background-color: var(--md-primary-container);
  color: var(--md-on-primary-container);
}

.time-picker__period-btn {
  width: 100%;
  height: var(--md-button-height-medium);
  border: var(--md-divider-thickness) solid var(--md-outline);
  background-color: transparent;
  color: var(--md-on-surface-variant);
  font-size: var(--md-body-large-size);
  cursor: pointer;
  transition: background-color var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.time-picker__period-btn:first-child {
  border-radius: var(--md-shape-small) var(--md-shape-small) 0 0;
  margin-bottom: var(--md-spacing-2);
}

.time-picker__period-btn:last-child {
  border-radius: 0 0 var(--md-shape-small) var(--md-shape-small);
}

.time-picker__period-btn--active {
  background-color: var(--md-primary-container);
  color: var(--md-on-primary-container);
  border-color: transparent;
}

.time-picker__actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--md-spacing-2);
}

/* ---- Color Picker ---- */
.color-picker {
  position: relative;
}

.color-picker__input {
  cursor: pointer;
  padding-right: calc(var(--md-spacing-12) + var(--md-spacing-2));
}

.color-picker__swatch {
  position: absolute;
  right: var(--md-spacing-4);
  top: 50%;
  transform: translateY(-50%);
  width: var(--md-button-height-small);
  height: var(--md-button-height-small);
  border-radius: var(--md-shape-small);
  border: var(--md-divider-thickness) solid var(--md-outline-variant);
  cursor: pointer;
}

.color-picker__dropdown {
  position: absolute;
  top: calc(100% + var(--md-spacing-1));
  left: 0;
  z-index: 100;
  background-color: var(--md-surface-container);
  border-radius: var(--md-shape-large);
  box-shadow: var(--md-elevation-3);
  padding: var(--md-spacing-4);
  display: none;
  min-width: var(--md-component-width-small);
}

.color-picker__dropdown--visible {
  display: block;
}

.color-picker__preview {
  display: flex;
  gap: var(--md-spacing-3);
  margin-bottom: var(--md-spacing-4);
  align-items: center;
}

.color-picker__preview-box {
  width: var(--md-fab-size-small);
  height: var(--md-fab-size-small);
  border-radius: var(--md-shape-small);
  border: var(--md-divider-thickness) solid var(--md-outline-variant);
}

.color-picker__hex-input {
  flex: 1;
  padding: var(--md-spacing-2) var(--md-spacing-3);
  background-color: var(--md-surface-container-highest);
  border: var(--md-divider-thickness) solid var(--md-outline);
  border-radius: var(--md-shape-extra-small);
  color: var(--md-on-surface);
  font-size: var(--md-body-medium-size);
  font-family: monospace;
  text-transform: uppercase;
}

.color-picker__canvas {
  position: relative;
  margin-bottom: var(--md-spacing-3);
  border-radius: var(--md-shape-small);
  overflow: hidden;
}

.color-picker__saturation,
.color-picker__hue {
  display: block;
  cursor: crosshair;
}

.color-picker__hue-wrap {
  position: relative;
  margin-bottom: var(--md-spacing-4);
  border-radius: var(--md-shape-small);
  overflow: hidden;
}

.color-picker__saturation-cursor,
.color-picker__hue-cursor {
  position: absolute;
  width: var(--md-indicator-size-large);
  height: var(--md-indicator-size-large);
  border: calc(var(--md-divider-thickness) * 2) solid var(--md-on-surface);
  border-radius: var(--md-shape-full);
  box-shadow: 0 0 0 var(--md-divider-thickness) var(--md-scrim-light);
  pointer-events: none;
}

.color-picker__saturation-cursor {
  transform: translate(-50%, -50%);
}

.color-picker__hue-cursor {
  top: 50%;
  transform: translate(-50%, -50%);
}

.color-picker__presets {
  display: flex;
  gap: var(--md-spacing-2);
  flex-wrap: wrap;
}

.color-picker__preset {
  width: var(--md-color-preset-size);
  height: var(--md-color-preset-size);
  border-radius: var(--md-shape-small);
  border: var(--md-divider-thickness) solid var(--md-outline-variant);
  cursor: pointer;
  transition: transform var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.color-picker__preset:hover {
  transform: scale(1.1);
}

/* ---- OTP Input ---- */
.otp-input {
  margin-bottom: var(--md-spacing-4);
}

.otp-input__label {
  display: block;
  font-size: var(--md-body-medium-size);
  color: var(--md-on-surface-variant);
  margin-bottom: var(--md-spacing-3);
}

.otp-input__fields {
  display: flex;
  gap: var(--md-spacing-2);
  justify-content: center;
}

.otp-input__field {
  width: var(--md-input-icon-area);
  height: var(--md-input-field-height);
  text-align: center;
  font-size: var(--md-title-large-size);
  font-weight: var(--md-title-large-weight);
  background-color: var(--md-surface-container-highest);
  border: none;
  border-bottom: calc(var(--md-divider-thickness) * 2) solid var(--md-outline);
  border-radius: var(--md-shape-extra-small) var(--md-shape-extra-small) 0 0;
  color: var(--md-on-surface);
  outline: none;
  transition: border-color var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.otp-input__field:focus {
  border-bottom-color: var(--md-primary);
}

.otp-input__helper {
  font-size: var(--md-body-small-size);
  color: var(--md-on-surface-variant);
  margin-top: var(--md-spacing-2);
  text-align: center;
}

/* ---- OTP Login (two-step flow) ---- */
.otp-login__step {
  display: none;
  opacity: 0;
  transform: translateX(20px);
  transition: opacity var(--md-motion-duration-medium) var(--md-motion-easing-standard),
              transform var(--md-motion-duration-medium) var(--md-motion-easing-standard);
}

.otp-login__step--active {
  display: block;
  opacity: 1;
  transform: translateX(0);
  animation: otpStepIn var(--md-motion-duration-medium) var(--md-motion-easing-standard);
}

@keyframes otpStepIn {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.otp-login__error {
  font-size: var(--md-body-small-size);
  color: var(--md-error);
  text-align: center;
  margin-top: var(--md-spacing-2);
  min-height: 0;
  opacity: 0;
  transition: opacity var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.otp-login__error--visible {
  opacity: 1;
}

.otp-input--error .otp-input__field {
  border-color: var(--md-error);
  color: var(--md-error);
}

/* ---- Autocomplete ---- */
.autocomplete {
  position: relative;
}

.autocomplete__input {
  padding-left: var(--md-input-icon-area);
  padding-right: var(--md-input-icon-area);
}

.autocomplete--no-icon .autocomplete__input {
  padding-left: var(--md-spacing-4);
}

.autocomplete__icon {
  position: absolute;
  font-size: var(--md-icon-size-medium);
  color: var(--md-on-surface-variant);
  pointer-events: none;
}

.autocomplete__icon--search {
  left: var(--md-spacing-4);
  top: 50%;
  transform: translateY(-50%);
}

.autocomplete__clear {
  position: absolute;
  right: var(--md-spacing-1);
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--md-icon-button-size);
  height: var(--md-icon-button-size);
  border: none;
  border-radius: var(--md-shape-full);
  background: transparent;
  color: var(--md-on-surface-variant);
  cursor: pointer;
  transition: background-color var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.autocomplete__clear:hover {
  background-color: var(--md-surface-container-high);
}

.autocomplete__dropdown {
  position: absolute;
  top: calc(100% + var(--md-spacing-1));
  left: 0;
  right: 0;
  z-index: 100;
  background-color: var(--md-surface-container);
  border-radius: var(--md-shape-small);
  box-shadow: var(--md-elevation-2);
  max-height: var(--md-list-max-height);
  overflow-y: auto;
  display: none;
}

.autocomplete__dropdown--visible {
  display: block;
}

.autocomplete__list {
  padding: var(--md-spacing-2) 0;
}

.autocomplete__item {
  display: flex;
  align-items: center;
  gap: var(--md-spacing-3);
  padding: var(--md-spacing-3) var(--md-spacing-4);
  cursor: pointer;
  transition: background-color var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.autocomplete__item:hover,
.autocomplete__item--highlighted,
.autocomplete__item--focused {
  background-color: var(--md-surface-container-high);
}

.autocomplete__item--selected {
  background-color: var(--md-primary-container);
  color: var(--md-on-primary-container);
}

.autocomplete__item-icon {
  font-size: var(--md-icon-size-medium);
  color: var(--md-on-surface-variant);
}

.autocomplete__item-text {
  flex: 1;
  font-size: var(--md-label-large-size);
}

.autocomplete__empty {
  padding: var(--md-spacing-6) var(--md-spacing-4);
  text-align: center;
  color: var(--md-on-surface-variant);
  font-size: var(--md-body-medium-size);
}

/* ---- Range Slider ---- */
.range-slider {
  margin-bottom: var(--md-spacing-6);
}

.range-slider__label {
  display: block;
  font-size: var(--md-body-medium-size);
  color: var(--md-on-surface-variant);
  margin-bottom: var(--md-spacing-4);
}

.range-slider__container {
  position: relative;
  height: var(--md-icon-button-size);
  padding: 0 var(--md-spacing-2);
}

.range-slider__track {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: var(--md-progress-bar-height);
  background-color: var(--md-surface-container-highest);
  border-radius: var(--md-shape-full);
  transform: translateY(-50%);
}

.range-slider__fill {
  position: absolute;
  top: 50%;
  height: var(--md-progress-bar-height);
  background-color: var(--md-primary);
  border-radius: var(--md-shape-full);
  transform: translateY(-50%);
  pointer-events: none;
}

.range-slider__thumb {
  position: absolute;
  top: 50%;
  width: var(--md-slider-thumb-size);
  height: var(--md-slider-thumb-size);
  background-color: var(--md-primary);
  border-radius: var(--md-shape-full);
  transform: translate(-50%, -50%);
  cursor: grab;
  transition: box-shadow var(--md-motion-duration-short) var(--md-motion-easing-standard);
  outline: none;
}

.range-slider__thumb:hover,
.range-slider__thumb:focus-visible {
  box-shadow: 0 0 0 8px rgba(153, 255, 204, 0.16);
}

.range-slider__thumb:active,
.range-slider__thumb--active {
  cursor: grabbing;
  box-shadow: 0 0 0 12px rgba(153, 255, 204, 0.24);
}

.range-slider__value {
  position: absolute;
  bottom: calc(100% + var(--md-spacing-1));
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--md-inverse-surface);
  color: var(--md-inverse-on-surface);
  padding: var(--md-spacing-1) var(--md-spacing-2);
  border-radius: var(--md-shape-extra-small);
  font-size: var(--md-label-small-size);
  white-space: nowrap;
  opacity: 0;
  transition: opacity var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.range-slider__thumb:hover .range-slider__value,
.range-slider__thumb:focus .range-slider__value,
.range-slider__thumb:active .range-slider__value,
.range-slider__thumb--active .range-slider__value {
  opacity: 1;
}

/* ---- Speed Dial ---- */
.speed-dial {
  position: fixed;
  bottom: var(--md-spacing-6);
  right: var(--md-spacing-6);
  z-index: 1000;
}

.speed-dial__trigger {
  position: relative;
  z-index: 3;
}

.speed-dial__icon {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity var(--md-motion-duration-short) var(--md-motion-easing-standard),
              transform var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.speed-dial__icon--close {
  opacity: 0;
  transform: rotate(-90deg);
}

.speed-dial--open .speed-dial__icon--main {
  opacity: 0;
  transform: rotate(90deg);
}

.speed-dial--open .speed-dial__icon--close {
  opacity: 1;
  transform: rotate(0deg);
}

.speed-dial__actions {
  position: absolute;
  bottom: 100%;
  right: 0;
  display: flex;
  flex-direction: column;
  gap: var(--md-spacing-3);
  padding-bottom: var(--md-spacing-3);
  pointer-events: none;
}

.speed-dial--open .speed-dial__actions {
  pointer-events: auto;
}

.speed-dial__action-wrapper {
  display: flex;
  align-items: center;
  gap: var(--md-spacing-4);
  opacity: 0;
  transform: translateY(var(--md-spacing-4));
  transition: opacity var(--md-motion-duration-medium) var(--md-motion-easing-emphasized),
              transform var(--md-motion-duration-medium) var(--md-motion-easing-emphasized);
}

.speed-dial__action {
  margin-left: auto;
}

.speed-dial--open .speed-dial__action-wrapper {
  opacity: 1;
  transform: translateY(0);
}

.speed-dial__action-wrapper:nth-child(1) { transition-delay: var(--md-motion-stagger-delay); }
.speed-dial__action-wrapper:nth-child(2) { transition-delay: calc(var(--md-motion-stagger-delay) * 2); }
.speed-dial__action-wrapper:nth-child(3) { transition-delay: calc(var(--md-motion-stagger-delay) * 3); }
.speed-dial__action-wrapper:nth-child(4) { transition-delay: calc(var(--md-motion-stagger-delay) * 4); }
.speed-dial__action-wrapper:nth-child(5) { transition-delay: calc(var(--md-motion-stagger-delay) * 5); }

.speed-dial__label {
  background-color: var(--md-inverse-surface);
  color: var(--md-inverse-on-surface);
  padding: var(--md-spacing-2) var(--md-spacing-3);
  border-radius: var(--md-shape-extra-small);
  font-size: var(--md-label-medium-size);
  white-space: nowrap;
}

.speed-dial__backdrop {
  position: fixed;
  inset: 0;
  background-color: var(--md-scrim-light);
  z-index: -1;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--md-motion-duration-medium) var(--md-motion-easing-standard);
}

.speed-dial--open .speed-dial__backdrop {
  opacity: 1;
  pointer-events: auto;
}

/* ---- Navigation Drawer ---- */
.drawer {
  position: fixed;
  inset: 0;
  z-index: 1100;
  display: none;
}

.drawer--visible {
  display: flex;
}

.drawer__scrim {
  position: absolute;
  inset: 0;
  background-color: var(--md-scrim-medium);
  opacity: 0;
  transition: opacity var(--md-motion-duration-medium) var(--md-motion-easing-standard);
}

.drawer--visible .drawer__scrim {
  opacity: 1;
}

.drawer__content {
  position: relative;
  width: 100%;
  max-width: var(--md-component-width-medium);
  height: 100%;
  background-color: var(--md-surface-container-low);
  display: flex;
  flex-direction: column;
  transform: translateX(-100%);
  transition: transform var(--md-motion-duration-medium) var(--md-motion-easing-emphasized);
  border-top-right-radius: var(--md-shape-large);
  border-bottom-right-radius: var(--md-shape-large);
}

.drawer--visible .drawer__content {
  transform: translateX(0);
}

.drawer__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--md-spacing-4) var(--md-spacing-2) var(--md-spacing-4) var(--md-spacing-6);
  box-shadow: var(--md-elevation-2);
}

.drawer__title {
  font-size: var(--md-title-large-size);
  font-weight: var(--md-title-large-weight);
  color: var(--md-on-surface);
}

.drawer__close {
  margin-left: auto;
}

.drawer__body {
  flex: 1;
  overflow-y: auto;
  padding: var(--md-spacing-2) 0;
}

.drawer__heading {
  padding: var(--md-spacing-4) var(--md-spacing-6) var(--md-spacing-2);
  font-size: var(--md-label-small-size);
  font-weight: var(--md-label-small-weight);
  color: var(--md-on-surface-variant);
  text-transform: uppercase;
  letter-spacing: var(--md-letter-spacing-tight-small);
}

.drawer__item {
  display: flex;
  align-items: center;
  gap: var(--md-spacing-3);
  padding: var(--md-spacing-3) var(--md-spacing-6);
  color: var(--md-on-surface-variant);
  text-decoration: none;
  transition: background-color var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.drawer__item:hover {
  background-color: var(--md-surface-container-high);
}

.drawer__item--active {
  background-color: var(--md-secondary-container);
  color: var(--md-on-secondary-container);
}

.drawer__item-icon {
  font-size: var(--md-icon-size-medium);
}

.drawer__item-text {
  flex: 1;
  font-size: var(--md-label-large-size);
}

.drawer__item--bold {
  font-weight: var(--md-weight-bold);
}

/* Mobile: Match drawer header height to navbar */
@media (max-width: 768px) {
  .drawer__header {
    min-height: var(--md-top-app-bar-height-small);
    padding: var(--md-spacing-2) var(--md-spacing-3);
  }
}

/* ---- Modern Navbar / Top App Bar ---- */
.navbar-demo {
  background-color: var(--md-surface);
  border-radius: var(--md-shape-medium);
  padding: var(--md-spacing-4);
  margin-bottom: var(--md-spacing-6);
}

.navbar {
  background-color: var(--md-surface-container);
  border-radius: var(--md-shape-medium);
  box-shadow: var(--md-elevation-1);
  position: relative;
}

.navbar__inner {
  display: flex;
  align-items: center;
  position: relative;
  gap: var(--md-spacing-4);
  padding: var(--md-spacing-3) var(--md-spacing-4);
  min-height: var(--md-top-app-bar-height-small);
}

.navbar__menu-btn {
  display: none;
}

.navbar__logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

.navbar__logo-img {
  height: var(--md-navbar-logo-height);
  width: auto;
}

.navbar__logo:hover {
  opacity: 0.8;
}

.navbar__links {
  display: flex;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  gap: var(--md-spacing-2);
}

.navbar__link {
  padding: var(--md-spacing-2) var(--md-spacing-4);
  border-radius: var(--md-shape-full);
  font-size: var(--md-label-large-size);
  font-weight: var(--md-label-large-weight);
  color: var(--md-on-surface-variant);
  text-decoration: none;
  transition: background-color var(--md-motion-duration-short) var(--md-motion-easing-standard),
              color var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.navbar__link:hover {
  background-color: var(--md-surface-container-high);
  color: var(--md-on-surface);
}

.navbar__link--active {
  background-color: var(--md-secondary-container);
  color: var(--md-on-secondary-container);
}

.navbar__links--right {
  position: static;
  transform: none;
  left: auto;
  margin-left: auto;
}

.navbar__links--right .navbar__link {
  font-weight: var(--md-weight-bold);
}

.navbar__actions {
  display: flex;
  gap: var(--md-spacing-2);
}

/* Responsive - Mobile First */
@media (max-width: 768px) {
  .navbar__inner {
    gap: var(--md-spacing-2);
    padding: var(--md-spacing-2) var(--md-spacing-3);
  }

  .navbar__menu-btn {
    display: flex;
    margin-right: var(--md-spacing-1);
  }

  .navbar__links {
    display: none;
  }

  .navbar__logo {
    font-size: var(--md-title-medium-size);
    margin-left: 0;
  }

  .navbar__actions {
    margin-left: auto;
    gap: var(--md-spacing-1);
  }

  .navbar__actions .icon-btn:not(:last-child) {
    display: none;
  }
}

/* ---- Tree View ---- */
.tree-view {
  padding: var(--md-spacing-2);
}

.tree-view__node {
  margin-bottom: var(--md-spacing-1);
}

.tree-view__node-content {
  display: flex;
  align-items: center;
  gap: var(--md-spacing-2);
  padding: var(--md-spacing-2) var(--md-spacing-3);
  border-radius: var(--md-shape-small);
  cursor: pointer;
  transition: background-color var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.tree-view__node-content:hover {
  background-color: var(--md-surface-container-high);
}

.tree-view__toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--md-icon-size-medium);
  height: var(--md-icon-size-medium);
  border: none;
  background: transparent;
  color: var(--md-on-surface-variant);
  cursor: pointer;
  padding: 0;
  transition: transform var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.tree-view__toggle--expanded {
  transform: rotate(90deg);
}

.tree-view__spacer {
  width: var(--md-icon-size-medium);
  height: var(--md-icon-size-medium);
}

.tree-view__icon {
  font-size: var(--md-icon-size-medium);
  color: var(--md-on-surface-variant);
}

.tree-view__label {
  flex: 1;
  font-size: var(--md-label-large-size);
  color: var(--md-on-surface);
}

.tree-view__children {
  margin-left: var(--md-spacing-6);
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--md-motion-duration-medium) var(--md-motion-easing-emphasized);
}

.tree-view__children--expanded {
  max-height: 2000px;
}

/* ---- Transfer List ---- */
.transfer-list {
  margin-bottom: var(--md-spacing-6);
}

.transfer-list__title {
  font-size: var(--md-title-medium-size);
  color: var(--md-on-surface);
  margin-bottom: var(--md-spacing-4);
}

.transfer-list__container {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: var(--md-spacing-4);
  align-items: start;
}

.transfer-list__panel {
  background-color: var(--md-surface-container);
  border-radius: var(--md-shape-medium);
  overflow: hidden;
}

.transfer-list__header {
  padding: var(--md-spacing-4);
  border-bottom: var(--md-divider-thickness) solid var(--md-outline-variant);
}

.transfer-list__panel-title {
  font-size: var(--md-title-small-size);
  color: var(--md-on-surface);
  margin-bottom: var(--md-spacing-3);
}

.transfer-list__check-all {
  margin: 0;
}

.transfer-list__search {
  padding: var(--md-spacing-3) var(--md-spacing-4);
  border-bottom: var(--md-divider-thickness) solid var(--md-outline-variant);
}

.transfer-list__search-input {
  width: 100%;
  padding: var(--md-spacing-3) var(--md-spacing-4);
  background-color: var(--md-surface-container-high);
  border: none;
  border-radius: var(--md-shape-full);
  color: var(--md-on-surface);
  font-size: var(--md-body-medium-size);
  outline: none;
  transition: background-color var(--md-motion-duration-short) var(--md-motion-easing-standard),
              box-shadow var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.transfer-list__search-input:focus {
  background-color: var(--md-surface-container-highest);
  box-shadow: var(--md-elevation-1);
}

.transfer-list__search-input::placeholder {
  color: var(--md-on-surface-variant);
}

.transfer-list__list {
  max-height: var(--md-list-max-height);
  overflow-y: auto;
  padding: var(--md-spacing-2);
  scrollbar-width: thin;
  scrollbar-color: var(--md-outline-variant) transparent;
}

.transfer-list__list::-webkit-scrollbar {
  width: 6px;
}

.transfer-list__list::-webkit-scrollbar-track {
  background: transparent;
}

.transfer-list__list::-webkit-scrollbar-thumb {
  background-color: var(--md-outline-variant);
  border-radius: var(--md-shape-full);
}

.transfer-list__list::-webkit-scrollbar-thumb:hover {
  background-color: var(--md-outline);
}

.transfer-list__item {
  display: flex;
  align-items: center;
  padding: var(--md-spacing-2);
  border-radius: var(--md-shape-small);
  cursor: pointer;
  transition: background-color var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.transfer-list__item:hover {
  background-color: var(--md-surface-container-high);
}

.transfer-list__checkbox {
  -webkit-appearance: none;
  appearance: none;
  width: var(--md-icon-size-small);
  height: var(--md-icon-size-small);
  border: calc(var(--md-divider-thickness) * 2) solid var(--md-on-surface-variant);
  border-radius: var(--md-shape-extra-small-half);
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
  margin-right: var(--md-spacing-3);
  transition: background-color var(--md-motion-duration-short) var(--md-motion-easing-standard),
              border-color var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.transfer-list__checkbox:checked {
  background-color: var(--md-primary);
  border-color: var(--md-primary);
}

.transfer-list__checkbox:checked::after {
  content: '';
  position: absolute;
  left: var(--md-spacing-1);
  top: var(--md-divider-thickness);
  width: var(--md-dropdown-arrow-width);
  height: var(--md-dropdown-arrow-height);
  border: solid var(--md-on-primary);
  border-width: 0 calc(var(--md-divider-thickness) * 2) calc(var(--md-divider-thickness) * 2) 0;
  transform: rotate(45deg);
}

.transfer-list__checkbox:focus-visible {
  outline: calc(var(--md-divider-thickness) * 2) solid var(--md-primary);
  outline-offset: calc(var(--md-spacing-1) / 2);
}

.transfer-list__checkbox:disabled {
  opacity: 0.38;
  cursor: default;
}

.transfer-list__item-text {
  font-size: var(--md-label-large-size);
  color: var(--md-on-surface);
}

.transfer-list__count {
  padding: var(--md-spacing-3) var(--md-spacing-4);
  border-top: var(--md-divider-thickness) solid var(--md-outline-variant);
}

.transfer-list__count-text {
  font-size: var(--md-label-medium-size);
  color: var(--md-on-surface-variant);
}

.transfer-list__controls {
  display: flex;
  flex-direction: column;
  gap: var(--md-spacing-2);
  padding-top: var(--md-spacing-16);
}

.transfer-list__btn:disabled {
  opacity: 0.38;
  cursor: not-allowed;
}

/* ---- Progress Button ---- */
.progress-button {
  position: relative;
}

.progress-button--loading {
  pointer-events: none;
}

.progress-button__content {
  display: flex;
  align-items: center;
  gap: var(--md-spacing-2);
  transition: opacity var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.progress-button--loading .progress-button__content {
  opacity: 0;
}

.progress-button__spinner {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.progress-button--loading .progress-button__spinner {
  opacity: 1;
}

.progress-button__svg {
  width: var(--md-icon-size-medium);
  height: var(--md-icon-size-medium);
  animation: progress-button-spin var(--md-motion-duration-long) linear infinite;
}

.progress-button__circle {
  stroke: currentColor;
  stroke-dasharray: 63;
  stroke-dashoffset: 50;
  stroke-linecap: round;
  transform-origin: center;
}

@keyframes progress-button-spin {
  to { transform: rotate(360deg); }
}

/* ---- Split Button ---- */
.split-button {
  position: relative;
  display: inline-flex;
  align-items: stretch;
}

.split-button__main {
  border-radius: var(--md-shape-full) 0 0 var(--md-shape-full);
  padding-right: var(--md-spacing-5);
}

.split-button__divider {
  width: var(--md-divider-thickness);
  background-color: currentColor;
  opacity: 0.2;
}

.split-button__toggle {
  border-radius: 0 var(--md-shape-full) var(--md-shape-full) 0;
  padding: var(--md-button-padding-y-medium) var(--md-spacing-3);
  min-width: auto;
}

.split-button .menu {
  top: calc(100% + var(--md-spacing-1));
  left: 0;
  right: auto;
}

/* ---- Tag Input ---- */
.tag-input {
  margin-bottom: var(--md-spacing-4);
}

.tag-input__container {
  position: relative;
  background-color: var(--md-surface-container-highest);
  border-radius: var(--md-shape-extra-small) var(--md-shape-extra-small) 0 0;
  border-bottom: var(--md-divider-thickness) solid var(--md-on-surface-variant);
  transition: border-color var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.tag-input--outlined .tag-input__container {
  background-color: transparent;
  border: var(--md-divider-thickness) solid var(--md-outline);
  border-radius: var(--md-shape-extra-small);
}

.tag-input__container:focus-within {
  border-bottom-width: calc(var(--md-divider-thickness) * 2);
  border-bottom-color: var(--md-primary);
}

.tag-input--outlined .tag-input__container:focus-within {
  border-color: var(--md-primary);
  border-width: calc(var(--md-divider-thickness) * 2);
}

.tag-input__label {
  position: absolute;
  top: var(--md-spacing-4);
  left: var(--md-spacing-4);
  font-size: var(--md-body-large-size);
  color: var(--md-on-surface-variant);
  pointer-events: none;
  transition: top var(--md-motion-duration-short) var(--md-motion-easing-standard),
              font-size var(--md-motion-duration-short) var(--md-motion-easing-standard),
              color var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.tag-input__label--floating,
.tag-input__container:focus-within .tag-input__label {
  top: var(--md-spacing-1);
  font-size: var(--md-body-small-size);
  color: var(--md-primary);
}

.tag-input--outlined .tag-input__label {
  background-color: var(--md-surface);
  padding: 0 var(--md-spacing-1);
  left: calc(var(--md-spacing-4) - var(--md-spacing-1));
}

.tag-input--outlined .tag-input__label--floating,
.tag-input--outlined .tag-input__container:focus-within .tag-input__label {
  top: calc(var(--md-spacing-2) * -1);
}

.tag-input__content {
  display: flex;
  flex-wrap: wrap;
  gap: var(--md-spacing-2);
  padding: var(--md-spacing-5) var(--md-spacing-4) var(--md-spacing-2);
  min-height: var(--md-input-field-height);
}

.tag-input__tags {
  display: contents;
}

.tag-input__input {
  flex: 1;
  min-width: 120px;
  border: none;
  background: transparent;
  color: var(--md-on-surface);
  font-size: var(--md-body-large-size);
  outline: none;
  padding: var(--md-spacing-1) 0;
}

.chip--input {
  display: inline-flex;
  align-items: center;
  gap: var(--md-spacing-1);
}

.chip__remove {
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--md-icon-size-small);
  height: var(--md-icon-size-small);
  border: none;
  background: transparent;
  color: currentColor;
  cursor: pointer;
  border-radius: var(--md-shape-full);
  padding: 0;
  transition: background-color var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.chip__remove:hover {
  background-color: var(--md-state-overlay-light);
}

.chip__remove .material-symbols-outlined {
  font-size: 16px;
}

.tag-input__helper {
  font-size: var(--md-body-small-size);
  color: var(--md-on-surface-variant);
  margin-top: var(--md-spacing-2);
  padding: 0 var(--md-spacing-4);
}

.tag-input__suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--md-spacing-2);
  margin-top: var(--md-spacing-3);
}

.chip--suggestion {
  border-style: dashed;
}