/*
 * ═══════════════════════════════════════════════════════════════════
 *  NhaBex App v3 — Material Design 3 Components
 *  app-v2/assets/css/md3-components.css
 *
 *  Pure CSS implementation of MD3 components.
 *  Requires md3-tokens.css loaded first.
 *  Mobile-first responsive approach.
 * ═══════════════════════════════════════════════════════════════════
 */


/* ═══════════════════════════════════════════════════════════════════
   1. BUTTONS
   ═══════════════════════════════════════════════════════════════════ */

.md3-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 40px;
  padding: 0 24px;
  border: none;
  border-radius: var(--md-sys-shape-full);
  font-family: var(--md-sys-typescale-font);
  font-size: var(--md-sys-typescale-label-large-size);
  font-weight: var(--md-sys-typescale-label-large-weight);
  letter-spacing: var(--md-sys-typescale-label-large-tracking);
  line-height: var(--md-sys-typescale-label-large-height);
  cursor: pointer;
  user-select: none;
  text-decoration: none;
  white-space: nowrap;
  transition:
    background-color var(--md-sys-motion-duration-short-4) var(--md-sys-motion-easing-standard),
    box-shadow var(--md-sys-motion-duration-short-4) var(--md-sys-motion-easing-standard),
    opacity var(--md-sys-motion-duration-short-4) var(--md-sys-motion-easing-standard);
  -webkit-tap-highlight-color: transparent;
  position: relative;
  overflow: hidden;
}
.md3-btn:focus-visible {
  outline: 2px solid var(--md-sys-color-primary);
  outline-offset: 2px;
}
.md3-btn:disabled {
  opacity: 0.38;
  cursor: not-allowed;
  pointer-events: none;
}
.md3-btn i {
  font-size: var(--md-sys-icon-size-sm);
}

/* Ripple effect */
.md3-btn::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: currentColor;
  opacity: 0;
  transition: opacity var(--md-sys-motion-duration-short-4) var(--md-sys-motion-easing-standard);
}
.md3-btn:hover::after  { opacity: 0.08; }
.md3-btn:active::after { opacity: 0.12; }

/* ── Filled Button ── */
.md3-btn--filled {
  background-color: var(--md-sys-color-primary);
  color: var(--md-sys-color-on-primary);
}
.md3-btn--filled:hover {
  box-shadow: var(--md-sys-elevation-1);
}

/* ── Outlined Button ── */
.md3-btn--outlined {
  background-color: transparent;
  color: var(--md-sys-color-primary);
  border: 1px solid var(--md-sys-color-outline-variant);
}
.md3-btn--outlined:hover {
  background-color: var(--md-sys-color-primary-10);
}

/* ── Text Button ── */
.md3-btn--text {
  background-color: transparent;
  color: var(--md-sys-color-primary);
  padding: 0 12px;
}
.md3-btn--text:hover {
  background-color: var(--md-sys-color-primary-10);
}

/* ── Tonal Button ── */
.md3-btn--tonal {
  background-color: var(--md-sys-color-secondary-container);
  color: var(--md-sys-color-on-secondary-container);
}
.md3-btn--tonal:hover {
  box-shadow: var(--md-sys-elevation-1);
}

/* ── Elevated Button ── */
.md3-btn--elevated {
  background-color: var(--md-sys-color-surface-container-low);
  color: var(--md-sys-color-primary);
  box-shadow: var(--md-sys-elevation-1);
}
.md3-btn--elevated:hover {
  box-shadow: var(--md-sys-elevation-2);
}

/* ── Icon-only Button ── */
.md3-btn--icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--md-sys-shape-full);
  background: transparent;
  color: var(--md-sys-color-on-surface-variant);
  touch-action: manipulation;
}
.md3-btn--icon i {
  font-size: var(--md-sys-icon-size-md);
  transition: transform var(--md-sys-motion-duration-short-2) var(--md-sys-motion-easing-standard);
}
.md3-btn--icon:hover {
  background-color: color-mix(in srgb, var(--md-sys-color-on-surface) 8%, transparent);
}
.md3-btn--icon:active i {
  transform: scale(0.85);
}

/* ── Button Sizes ── */
.md3-btn--sm {
  height: 32px;
  padding: 0 16px;
  font-size: var(--md-sys-typescale-label-medium-size);
}
.md3-btn--lg {
  height: 48px;
  padding: 0 32px;
  font-size: var(--md-sys-typescale-body-large-size);
}

/* ── Company-colored button ── */
.md3-btn--company {
  background-color: var(--md-sys-color-company);
  color: var(--md-sys-color-on-company);
}


/* ═══════════════════════════════════════════════════════════════════
   2. FAB (Floating Action Button)
   ═══════════════════════════════════════════════════════════════════ */

.md3-fab {
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--md-sys-layout-fab-size);
  height: var(--md-sys-layout-fab-size);
  border: none;
  border-radius: var(--md-sys-shape-large);
  background-color: var(--md-sys-color-primary-container);
  color: var(--md-sys-color-on-primary-container);
  box-shadow: var(--md-sys-elevation-3);
  cursor: pointer;
  position: fixed;
  z-index: var(--md-sys-z-fab);
  transition:
    box-shadow var(--md-sys-motion-duration-medium-2) var(--md-sys-motion-easing-standard),
    transform var(--md-sys-motion-duration-medium-2) var(--md-sys-motion-easing-emphasized);
  -webkit-tap-highlight-color: transparent;
}
.md3-fab:hover {
  box-shadow: var(--md-sys-elevation-4);
}
.md3-fab:active {
  transform: scale(0.95);
}
.md3-fab i {
  font-size: var(--md-sys-icon-size-md);
}

.md3-fab--small {
  width: var(--md-sys-layout-fab-size-small);
  height: var(--md-sys-layout-fab-size-small);
  border-radius: var(--md-sys-shape-medium);
}
.md3-fab--large {
  width: var(--md-sys-layout-fab-size-large);
  height: var(--md-sys-layout-fab-size-large);
  border-radius: var(--md-sys-shape-extra-large);
}
.md3-fab--large i {
  font-size: var(--md-sys-icon-size-lg);
}

/* Extended FAB */
.md3-fab--extended {
  width: auto;
  height: var(--md-sys-layout-fab-size);
  padding: 0 16px;
  gap: 8px;
  border-radius: var(--md-sys-shape-large);
  font-family: var(--md-sys-typescale-font);
  font-size: var(--md-sys-typescale-label-large-size);
  font-weight: var(--md-sys-typescale-label-large-weight);
}


/* ═══════════════════════════════════════════════════════════════════
   3. CARDS
   ═══════════════════════════════════════════════════════════════════ */

.md3-card {
  display: flex;
  flex-direction: column;
  border-radius: var(--md-sys-shape-medium);
  overflow: hidden;
  transition:
    box-shadow var(--md-sys-motion-duration-short-4) var(--md-sys-motion-easing-standard),
    transform var(--md-sys-motion-duration-short-4) var(--md-sys-motion-easing-standard);
  position: relative;
}

/* ── Elevated Card ── */
.md3-card--elevated {
  background-color: var(--md-sys-color-surface-container-low);
  box-shadow: var(--md-sys-elevation-1);
}
.md3-card--elevated:hover {
  box-shadow: var(--md-sys-elevation-2);
}

/* ── Filled Card ── */
.md3-card--filled {
  background-color: var(--md-sys-color-surface-container-highest);
}

/* ── Outlined Card ── */
.md3-card--outlined {
  background-color: var(--md-sys-color-surface);
  border: 1px solid var(--md-sys-color-outline-variant);
}

/* ── Clickable Card ── */
.md3-card--clickable {
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.md3-card--clickable::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: var(--md-sys-color-on-surface);
  opacity: 0;
  transition: opacity var(--md-sys-motion-duration-short-4) var(--md-sys-motion-easing-standard);
  pointer-events: none;
}
.md3-card--clickable:hover::after  { opacity: 0.08; }
.md3-card--clickable:active::after { opacity: 0.12; }
.md3-card--clickable:active {
  transform: scale(0.98);
}

/* ── Card Content Areas ── */
.md3-card__media {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}
.md3-card__header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
}
.md3-card__avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--md-sys-shape-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--md-sys-typescale-title-medium-size);
  font-weight: var(--md-sys-typescale-title-medium-weight);
  flex-shrink: 0;
}
.md3-card__headline {
  font-size: var(--md-sys-typescale-title-medium-size);
  font-weight: var(--md-sys-typescale-title-medium-weight);
  line-height: var(--md-sys-typescale-title-medium-height);
  color: var(--md-sys-color-on-surface);
}
.md3-card__subhead {
  font-size: var(--md-sys-typescale-body-medium-size);
  color: var(--md-sys-color-on-surface-variant);
}
.md3-card__content {
  padding: 0 16px 16px;
  font-size: var(--md-sys-typescale-body-medium-size);
  color: var(--md-sys-color-on-surface-variant);
}
.md3-card__actions {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px;
  justify-content: flex-end;
}


/* ═══════════════════════════════════════════════════════════════════
   4. CHIPS
   ═══════════════════════════════════════════════════════════════════ */

.md3-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 32px;
  padding: 0 16px;
  border-radius: var(--md-sys-shape-small);
  font-family: var(--md-sys-typescale-font);
  font-size: var(--md-sys-typescale-label-large-size);
  font-weight: var(--md-sys-typescale-label-large-weight);
  line-height: 1;
  cursor: pointer;
  user-select: none;
  border: 1px solid var(--md-sys-color-outline-variant);
  background: transparent;
  color: var(--md-sys-color-on-surface-variant);
  transition:
    background-color var(--md-sys-motion-duration-short-4) var(--md-sys-motion-easing-standard),
    border-color var(--md-sys-motion-duration-short-4) var(--md-sys-motion-easing-standard);
  -webkit-tap-highlight-color: transparent;
}
.md3-chip:hover {
  background-color: color-mix(in srgb, var(--md-sys-color-on-surface) 8%, transparent);
}
.md3-chip:focus-visible {
  outline: 2px solid var(--md-sys-color-primary);
  outline-offset: 2px;
}
.md3-chip i {
  font-size: var(--md-sys-icon-size-sm);
}

/* ── Selected Chip ── */
.md3-chip--selected {
  background-color: var(--md-sys-color-secondary-container);
  color: var(--md-sys-color-on-secondary-container);
  border-color: transparent;
}

/* ── Chip group ── */
.md3-chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}


/* ═══════════════════════════════════════════════════════════════════
   5. TOP APP BAR
   ═══════════════════════════════════════════════════════════════════ */

.md3-top-app-bar {
  display: flex;
  align-items: center;
  height: var(--md-sys-layout-top-app-bar-h);
  padding: 0 4px 0 4px;
  background-color: var(--md-sys-color-surface);
  color: var(--md-sys-color-on-surface);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--md-sys-z-app-bar);
  overflow: clip;
  transition:
    background-color var(--md-sys-motion-duration-medium-2) var(--md-sys-motion-easing-standard),
    backdrop-filter var(--md-sys-motion-duration-medium-2) var(--md-sys-motion-easing-standard),
    box-shadow var(--md-sys-motion-duration-medium-2) var(--md-sys-motion-easing-standard);
}
.md3-top-app-bar--scrolled {
  background-color: color-mix(in srgb, var(--md-sys-color-surface-container) 92%, transparent);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: var(--md-sys-elevation-2);
}

/* Back button enter animation */
.md3-top-app-bar__leading button {
  animation: app-bar-btn-enter var(--md-sys-motion-duration-short-4) var(--md-sys-motion-easing-emphasized-decel);
}
@keyframes app-bar-btn-enter {
  from { opacity: 0; transform: translateX(-8px); }
  to   { opacity: 1; transform: translateX(0); }
}

.md3-top-app-bar__leading {
  display: flex;
  align-items: center;
  padding: 0 4px;
}
.md3-top-app-bar__title {
  flex: 1;
  padding: 0 16px;
  font-size: var(--md-sys-typescale-title-large-size);
  font-weight: var(--md-sys-typescale-title-large-weight);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.md3-top-app-bar__title--center {
  text-align: center;
}
.md3-top-app-bar__trailing {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0 4px;
}

/* ── Company branding bar ── */
.md3-top-app-bar--company {
  background: var(--md-sys-color-company);
  color: var(--md-sys-color-on-company);
}
.md3-top-app-bar__logo {
  height: 32px;
  width: auto;
  object-fit: contain;
}

/* Decorative orb removed for flat modern aesthetic */
.md3-top-app-bar::after {
  display: none;
}


/* ═══════════════════════════════════════════════════════════════════
   6. BOTTOM NAVIGATION
   ═══════════════════════════════════════════════════════════════════ */

/* NOTE: .md3-bottom-area in app.css handles fixed positioning, background,
   shadow, z-index and safe-area. This class is kept for standalone usage. */
.md3-bottom-nav {
  display: flex;
  align-items: center;
  justify-content: space-around;
  height: var(--md-sys-layout-bottom-nav-h);
}

.md3-bottom-nav__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  flex: 1 1 0%;
  min-width: 0;
  padding: 6px 0 8px;
  cursor: pointer;
  user-select: none;
  text-decoration: none;
  color: var(--md-sys-color-on-surface-variant);
  position: relative;
  -webkit-tap-highlight-color: transparent;
  background: none;
  border: none;
  font-family: var(--md-sys-typescale-font);
}

.md3-bottom-nav__icon {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--md-sys-shape-full);
  transition:
    width var(--md-sys-motion-duration-medium-1) var(--md-sys-motion-easing-emphasized),
    height var(--md-sys-motion-duration-medium-1) var(--md-sys-motion-easing-emphasized),
    background-color var(--md-sys-motion-duration-medium-1) var(--md-sys-motion-easing-emphasized),
    color var(--md-sys-motion-duration-medium-1) var(--md-sys-motion-easing-standard),
    box-shadow var(--md-sys-motion-duration-medium-1) var(--md-sys-motion-easing-standard);
}
.md3-bottom-nav__icon i {
  font-size: var(--md-sys-icon-size-md);
}

/* Avatar in bottom nav (logged-in profile) */
.md3-bottom-nav__avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  object-fit: cover;
  display: block;
}
.md3-bottom-nav__avatar--initials {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 600;
  color: #fff;
  line-height: 1;
}
.md3-bottom-nav__item--active .md3-bottom-nav__avatar {
  box-shadow: 0 0 0 2px var(--md-sys-color-primary);
}

.md3-bottom-nav__label {
  font-size: var(--md-sys-typescale-label-medium-size);
  font-weight: var(--md-sys-typescale-label-medium-weight);
  letter-spacing: var(--md-sys-typescale-label-medium-tracking);
  transition: color var(--md-sys-motion-duration-medium-1) var(--md-sys-motion-easing-standard);
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-align: center;
}

/* Active state — flat primary color, no background */
.md3-bottom-nav__item--active .md3-bottom-nav__icon {
  width: 32px;
  height: 32px;
  background-color: transparent;
  color: var(--md-sys-color-primary);
  box-shadow: none;
}
.md3-bottom-nav__item--active .md3-bottom-nav__icon i {
  animation: nav-icon-pop var(--md-sys-motion-duration-medium-2) var(--md-sys-motion-easing-emphasized);
}
.md3-bottom-nav__item--active .md3-bottom-nav__label {
  color: var(--md-sys-color-primary);
  font-weight: 400;
}

@keyframes nav-icon-pop {
  0%   { transform: scale(0.6); opacity: 0.5; }
  60%  { transform: scale(1.08); opacity: 1; }
  100% { transform: scale(1); opacity: 1; }
}

/* Hover/focus */
.md3-bottom-nav__item:hover .md3-bottom-nav__icon {
  background-color: color-mix(in srgb, var(--md-sys-color-on-surface) 8%, transparent);
}
.md3-bottom-nav__item--active:hover .md3-bottom-nav__icon {
  background-color: var(--md-sys-color-primary-10);
}
.md3-bottom-nav__item:focus-visible {
  outline: 2px solid var(--md-sys-color-primary);
  outline-offset: -2px;
}


/* ═══════════════════════════════════════════════════════════════════
   7. BADGE
   ═══════════════════════════════════════════════════════════════════ */

.md3-badge {
  position: absolute;
  top: 0;
  right: 14px;
  min-width: 16px;
  height: 16px;
  padding: 0 4px;
  border-radius: var(--md-sys-shape-full);
  background-color: var(--md-sys-color-error);
  color: var(--md-sys-color-on-error);
  font-size: var(--md-sys-typescale-label-small-size);
  font-weight: var(--md-sys-typescale-label-small-weight);
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  animation: badge-pop-in var(--md-sys-motion-duration-short-4) var(--md-sys-motion-easing-emphasized-decel);
}
@keyframes badge-pop-in {
  from { transform: scale(0); opacity: 0; }
  to   { transform: scale(1); opacity: 1; }
}
.md3-badge--dot {
  min-width: 6px;
  height: 6px;
  padding: 0;
  top: 4px;
  right: 20px;
}


/* ═══════════════════════════════════════════════════════════════════
   8. TEXT FIELDS
   ═══════════════════════════════════════════════════════════════════ */

.md3-text-field {
  position: relative;
  width: 100%;
}
.md3-text-field__input {
  width: 100%;
  height: 56px;
  padding: 24px 16px 8px;
  border: none;
  border-radius: var(--md-sys-shape-extra-small) var(--md-sys-shape-extra-small) 0 0;
  background-color: var(--md-sys-color-surface-container-highest);
  color: var(--md-sys-color-on-surface);
  font-family: var(--md-sys-typescale-font);
  font-size: var(--md-sys-typescale-body-large-size);
  border-bottom: 1px solid var(--md-sys-color-on-surface-variant);
  caret-color: var(--md-sys-color-primary);
  transition:
    border-color var(--md-sys-motion-duration-short-4) var(--md-sys-motion-easing-standard),
    background-color var(--md-sys-motion-duration-short-4) var(--md-sys-motion-easing-standard);
}
.md3-text-field__input:focus {
  outline: none;
  border-bottom: 2px solid var(--md-sys-color-primary);
  padding-bottom: 7px;
}
.md3-text-field__input::placeholder {
  color: transparent;
}

/* Floating label */
.md3-text-field__label {
  position: absolute;
  left: 16px;
  top: 16px;
  font-size: var(--md-sys-typescale-body-large-size);
  color: var(--md-sys-color-on-surface-variant);
  pointer-events: none;
  transition:
    top var(--md-sys-motion-duration-short-4) var(--md-sys-motion-easing-standard),
    font-size var(--md-sys-motion-duration-short-4) var(--md-sys-motion-easing-standard),
    color var(--md-sys-motion-duration-short-4) var(--md-sys-motion-easing-standard);
}
.md3-text-field__input:focus + .md3-text-field__label,
.md3-text-field__input:not(:placeholder-shown) + .md3-text-field__label {
  top: 6px;
  font-size: var(--md-sys-typescale-body-small-size);
}
.md3-text-field__input:focus + .md3-text-field__label {
  color: var(--md-sys-color-primary);
}

/* Supporting text */
.md3-text-field__helper {
  padding: 4px 16px 0;
  font-size: var(--md-sys-typescale-body-small-size);
  color: var(--md-sys-color-on-surface-variant);
}

/* Error state */
.md3-text-field--error .md3-text-field__input {
  border-bottom-color: var(--md-sys-color-error);
}
.md3-text-field--error .md3-text-field__label,
.md3-text-field--error .md3-text-field__helper {
  color: var(--md-sys-color-error);
}

/* ── Outlined variant ── */
.md3-text-field--outlined .md3-text-field__input {
  background-color: transparent;
  border: 1px solid var(--md-sys-color-outline);
  border-radius: var(--md-sys-shape-extra-small);
  padding: 16px;
}
.md3-text-field--outlined .md3-text-field__input:focus {
  border: 2px solid var(--md-sys-color-primary);
  padding: 15px;
}
.md3-text-field--outlined .md3-text-field__label {
  background-color: var(--md-sys-color-surface);
  padding: 0 4px;
}
.md3-text-field--outlined .md3-text-field__input:focus + .md3-text-field__label,
.md3-text-field--outlined .md3-text-field__input:not(:placeholder-shown) + .md3-text-field__label {
  top: -8px;
}

/* ── Textarea ── */
.md3-text-field--textarea .md3-text-field__input {
  height: auto;
  min-height: 120px;
  resize: vertical;
  padding-top: 24px;
}


/* ═══════════════════════════════════════════════════════════════════
   9. BOTTOM SHEET
   ═══════════════════════════════════════════════════════════════════ */

.md3-bottom-sheet-scrim {
  position: fixed;
  inset: 0;
  background-color: var(--md-sys-color-scrim);
  z-index: var(--md-sys-z-bottom-sheet);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--md-sys-motion-duration-medium-2) var(--md-sys-motion-easing-standard);
}
.md3-bottom-sheet-scrim--open {
  opacity: 1;
  pointer-events: auto;
}

.md3-bottom-sheet {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  max-height: 90dvh;
  background-color: var(--md-sys-color-surface-container-low);
  border-radius: var(--md-sys-shape-extra-large) var(--md-sys-shape-extra-large) 0 0;
  z-index: calc(var(--md-sys-z-bottom-sheet) + 1);
  transform: translateY(100%);
  transition: transform var(--md-sys-motion-duration-medium-4) var(--md-sys-motion-easing-emphasized);
  overflow-y: auto;
  overscroll-behavior: contain;
}
.md3-bottom-sheet--open {
  transform: translateY(0);
}

.md3-bottom-sheet__handle {
  display: flex;
  justify-content: center;
  padding: 12px 0 8px;
}
.md3-bottom-sheet__handle::before {
  content: '';
  width: 32px;
  height: 4px;
  border-radius: var(--md-sys-shape-full);
  background-color: var(--md-sys-color-on-surface-variant);
  opacity: 0.4;
}
.md3-bottom-sheet__content {
  padding: 0 24px 24px;
  padding-bottom: calc(24px + env(safe-area-inset-bottom, 0));
}
.md3-bottom-sheet__title {
  font-size: var(--md-sys-typescale-title-large-size);
  font-weight: var(--md-sys-typescale-title-large-weight);
  padding: 0 0 16px;
  color: var(--md-sys-color-on-surface);
}


/* ═══════════════════════════════════════════════════════════════════
   10. DIALOG
   ═══════════════════════════════════════════════════════════════════ */

.md3-dialog-scrim {
  position: fixed;
  inset: 0;
  background-color: var(--md-sys-color-scrim);
  z-index: var(--md-sys-z-dialog);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--md-sys-motion-duration-medium-2) var(--md-sys-motion-easing-standard);
}
.md3-dialog-scrim--open {
  opacity: 1;
  pointer-events: auto;
}

.md3-dialog {
  width: 100%;
  max-width: 560px;
  max-height: 80dvh;
  background-color: var(--md-sys-color-surface-container-high);
  border-radius: var(--md-sys-shape-extra-large);
  padding: 24px;
  overflow-y: auto;
  overscroll-behavior-y: contain;
  transform: scale(0.9);
  opacity: 0;
  transition:
    transform var(--md-sys-motion-duration-medium-4) var(--md-sys-motion-easing-emphasized),
    opacity var(--md-sys-motion-duration-medium-2) var(--md-sys-motion-easing-standard);
}
.md3-dialog-scrim--open .md3-dialog {
  transform: scale(1);
  opacity: 1;
}

.md3-dialog__icon {
  display: flex;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--md-sys-color-secondary);
}
.md3-dialog__icon i {
  font-size: var(--md-sys-icon-size-md);
}
.md3-dialog__title {
  font-size: var(--md-sys-typescale-headline-small-size);
  font-weight: var(--md-sys-typescale-headline-small-weight);
  text-align: center;
  margin-bottom: 16px;
}
.md3-dialog__body {
  font-size: var(--md-sys-typescale-body-medium-size);
  color: var(--md-sys-color-on-surface-variant);
  margin-bottom: 24px;
}
.md3-dialog__actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}


/* ═══════════════════════════════════════════════════════════════════
   11. SNACKBAR
   ═══════════════════════════════════════════════════════════════════ */

.md3-snackbar {
  position: fixed;
  bottom: calc(var(--md-sys-layout-bottom-nav-h) + 48px + 16px + env(safe-area-inset-bottom, 0));
  left: 50%;
  transform: translateX(-50%) translateY(calc(100% + 32px));
  min-width: 288px;
  max-width: calc(100vw - 32px);
  padding: 0 8px 0 16px;
  height: 48px;
  display: flex;
  align-items: center;
  gap: 8px;
  background-color: var(--md-sys-color-inverse-surface);
  color: var(--md-sys-color-inverse-on-surface);
  border-radius: var(--md-sys-shape-extra-small);
  box-shadow: var(--md-sys-elevation-3);
  z-index: var(--md-sys-z-snackbar);
  font-size: var(--md-sys-typescale-body-medium-size);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    transform var(--md-sys-motion-duration-medium-4) var(--md-sys-motion-easing-emphasized),
    opacity var(--md-sys-motion-duration-medium-4) var(--md-sys-motion-easing-standard),
    visibility 0s linear var(--md-sys-motion-duration-medium-4);
}
.md3-snackbar--visible {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transition:
    transform var(--md-sys-motion-duration-medium-4) var(--md-sys-motion-easing-emphasized),
    opacity var(--md-sys-motion-duration-medium-4) var(--md-sys-motion-easing-standard),
    visibility 0s linear 0s;
}
.md3-snackbar__text {
  flex: 1;
}
.md3-snackbar__action {
  color: var(--md-sys-color-inverse-primary);
  background: none;
  border: none;
  font-family: var(--md-sys-typescale-font);
  font-size: var(--md-sys-typescale-label-large-size);
  font-weight: var(--md-sys-typescale-label-large-weight);
  cursor: pointer;
  padding: 8px;
}
.md3-snackbar__close {
  color: var(--md-sys-color-inverse-on-surface);
  opacity: 0.6;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}


/* ═══════════════════════════════════════════════════════════════════
   12. SWITCH
   ═══════════════════════════════════════════════════════════════════ */

.md3-switch {
  position: relative;
  width: 52px;
  height: 32px;
  display: inline-block;
}
.md3-switch input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}
.md3-switch__track {
  position: absolute;
  inset: 0;
  border-radius: var(--md-sys-shape-full);
  background-color: var(--md-sys-color-surface-container-highest);
  border: 2px solid var(--md-sys-color-outline);
  cursor: pointer;
  transition:
    background-color var(--md-sys-motion-duration-medium-1) var(--md-sys-motion-easing-standard),
    border-color var(--md-sys-motion-duration-medium-1) var(--md-sys-motion-easing-standard);
}
.md3-switch__thumb {
  position: absolute;
  top: 6px;
  left: 6px;
  width: 16px;
  height: 16px;
  border-radius: var(--md-sys-shape-full);
  background-color: var(--md-sys-color-outline);
  transition:
    transform var(--md-sys-motion-duration-medium-1) var(--md-sys-motion-easing-emphasized),
    width var(--md-sys-motion-duration-medium-1) var(--md-sys-motion-easing-standard),
    height var(--md-sys-motion-duration-medium-1) var(--md-sys-motion-easing-standard),
    background-color var(--md-sys-motion-duration-medium-1) var(--md-sys-motion-easing-standard);
  pointer-events: none;
}

.md3-switch:focus-within .md3-switch__track {
  outline: 2px solid var(--md-sys-color-primary);
  outline-offset: 2px;
}
.md3-switch input:checked ~ .md3-switch__track {
  background-color: var(--md-sys-color-primary);
  border-color: var(--md-sys-color-primary);
}
.md3-switch input:checked ~ .md3-switch__thumb {
  transform: translateX(20px);
  width: 24px;
  height: 24px;
  top: 4px;
  background-color: var(--md-sys-color-on-primary);
}


/* ═══════════════════════════════════════════════════════════════════
   13. PROGRESS INDICATORS
   ═══════════════════════════════════════════════════════════════════ */

/* ── Linear Progress ── */
.md3-progress-linear {
  width: 100%;
  height: 4px;
  background-color: var(--md-sys-color-surface-container-highest);
  border-radius: var(--md-sys-shape-full);
  overflow: hidden;
  position: relative;
}
.md3-progress-linear__bar {
  height: 100%;
  background-color: var(--md-sys-color-primary);
  border-radius: var(--md-sys-shape-full);
  transition: width var(--md-sys-motion-duration-medium-2) var(--md-sys-motion-easing-standard);
}
/* Indeterminate */
.md3-progress-linear--indeterminate .md3-progress-linear__bar {
  width: 50%;
  animation: md3-progress-indeterminate 2s var(--md-sys-motion-easing-standard) infinite;
}
@keyframes md3-progress-indeterminate {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(300%); }
}

/* ── Circular Progress ── */
.md3-progress-circular {
  width: 48px;
  height: 48px;
  animation: md3-spin 1.4s linear infinite;
}
.md3-progress-circular__track {
  fill: none;
  stroke: var(--md-sys-color-surface-container-highest);
  stroke-width: 4;
}
.md3-progress-circular__indicator {
  fill: none;
  stroke: var(--md-sys-color-primary);
  stroke-width: 4;
  stroke-linecap: round;
  stroke-dasharray: 100;
  stroke-dashoffset: 60;
  animation: md3-circular-dash 1.4s var(--md-sys-motion-easing-standard) infinite;
}
@keyframes md3-spin {
  100% { transform: rotate(360deg); }
}
@keyframes md3-circular-dash {
  0%   { stroke-dasharray: 1, 150; stroke-dashoffset: 0; }
  50%  { stroke-dasharray: 90, 150; stroke-dashoffset: -35; }
  100% { stroke-dasharray: 90, 150; stroke-dashoffset: -124; }
}

/* ── Circular sizes ── */
.md3-progress-circular--sm { width: 24px; height: 24px; }
.md3-progress-circular--lg { width: 64px; height: 64px; }


/* ═══════════════════════════════════════════════════════════════════
   14. DIVIDER
   ═══════════════════════════════════════════════════════════════════ */

.md3-divider {
  border: none;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--md-sys-color-outline-variant) 15%,
    color-mix(in srgb, var(--md-sys-color-primary) 18%, var(--md-sys-color-outline-variant)) 50%,
    var(--md-sys-color-outline-variant) 85%,
    transparent 100%
  );
  margin: 0;
}
.md3-divider--inset {
  margin-left: 16px;
  margin-right: 16px;
}


/* ═══════════════════════════════════════════════════════════════════
   15. LIST
   ═══════════════════════════════════════════════════════════════════ */

.md3-list {
  list-style: none;
  padding: 8px 0;
}
.md3-list-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 8px 24px 8px 16px;
  min-height: 56px;
  cursor: pointer;
  transition: background-color var(--md-sys-motion-duration-short-4) var(--md-sys-motion-easing-standard);
  -webkit-tap-highlight-color: transparent;
}
.md3-list-item:hover {
  background-color: color-mix(in srgb, var(--md-sys-color-on-surface) 8%, transparent);
}
.md3-list-item__leading {
  flex-shrink: 0;
  width: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--md-sys-color-on-surface-variant);
}
.md3-list-item__leading i {
  font-size: var(--md-sys-icon-size-md);
}
.md3-list-item__content {
  flex: 1;
  min-width: 0;
}
.md3-list-item__headline {
  font-size: var(--md-sys-typescale-body-large-size);
  color: var(--md-sys-color-on-surface);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.md3-list-item__supporting {
  font-size: var(--md-sys-typescale-body-medium-size);
  color: var(--md-sys-color-on-surface-variant);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.md3-list-item:focus-visible {
  outline: 2px solid var(--md-sys-color-primary);
  outline-offset: -2px;
}
.md3-list-item__trailing {
  flex-shrink: 0;
  color: var(--md-sys-color-on-surface-variant);
  font-size: var(--md-sys-typescale-label-small-size);
}


/* ═══════════════════════════════════════════════════════════════════
   16. RESPONSIVE GRID
   ═══════════════════════════════════════════════════════════════════ */

.md3-grid {
  display: grid;
  gap: var(--md-sys-spacing-4);
  padding: var(--md-sys-spacing-4);
}
.md3-grid--2 { grid-template-columns: repeat(2, 1fr); }
.md3-grid--3 { grid-template-columns: repeat(3, 1fr); }
.md3-grid--4 { grid-template-columns: repeat(4, 1fr); }

/* Mobile: single column */
@media (max-width: 575px) {
  .md3-grid--2,
  .md3-grid--3,
  .md3-grid--4 {
    grid-template-columns: 1fr;
  }
}

/* Tablet */
@media (min-width: 576px) and (max-width: 767px) {
  .md3-grid--3,
  .md3-grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Desktop */
@media (min-width: 768px) {
  .md3-grid--4 {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (min-width: 1024px) {
  .md3-grid--4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ── Flex helpers ── */
.md3-flex      { display: flex; }
.md3-flex-col  { display: flex; flex-direction: column; }
.md3-flex-center { display: flex; align-items: center; justify-content: center; }
.md3-flex-between { display: flex; align-items: center; justify-content: space-between; }
.md3-gap-1 { gap: var(--md-sys-spacing-1); }
.md3-gap-2 { gap: var(--md-sys-spacing-2); }
.md3-gap-3 { gap: var(--md-sys-spacing-3); }
.md3-gap-4 { gap: var(--md-sys-spacing-4); }
.md3-gap-6 { gap: var(--md-sys-spacing-6); }

/* ── Spacing helpers ── */
.md3-p-0  { padding: 0; }
.md3-p-2  { padding: var(--md-sys-spacing-2); }
.md3-p-4  { padding: var(--md-sys-spacing-4); }
.md3-p-6  { padding: var(--md-sys-spacing-6); }
.md3-px-4 { padding-left: var(--md-sys-spacing-4); padding-right: var(--md-sys-spacing-4); }
.md3-py-4 { padding-top: var(--md-sys-spacing-4); padding-bottom: var(--md-sys-spacing-4); }
.md3-mt-2 { margin-top: var(--md-sys-spacing-2); }
.md3-mt-4 { margin-top: var(--md-sys-spacing-4); }
.md3-mt-6 { margin-top: var(--md-sys-spacing-6); }
.md3-mb-2 { margin-bottom: var(--md-sys-spacing-2); }
.md3-mb-4 { margin-bottom: var(--md-sys-spacing-4); }
.md3-mb-6 { margin-bottom: var(--md-sys-spacing-6); }

/* ── Text helpers ── */
.md3-text-center  { text-align: center; }
.md3-text-start   { text-align: start; }
.md3-text-end     { text-align: end; }
.md3-truncate     { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ── Visibility ── */
.md3-hidden  { display: none !important; }
.md3-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ── Responsive visibility ── */
@media (max-width: 575px)  { .md3-hide-mobile  { display: none !important; } }
@media (min-width: 576px)  { .md3-hide-tablet  { display: none !important; } }
@media (min-width: 1024px) { .md3-hide-desktop { display: none !important; } }
@media (max-width: 575px)  { .md3-show-mobile  { display: block !important; } }