/* ============================================
   Navigation Components
   ============================================ */

/* ============================================
   AppBar
   ============================================ */
.app-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: 64px;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--spacing-6);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  background-color: rgba(255, 255, 255, 0.95);
}

.app-bar__left {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  flex: 1 1 0%;
  min-width: 0;
}

.app-bar__logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  text-decoration: none;
  color: var(--color-foreground);
  flex-shrink: 0;
}

.app-bar__logo:hover {
  opacity: 1;
}

.app-bar__logo-icon {
  width: 32px;
  height: 32px;
  background-color: var(--color-black);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-sm);
  font-family: var(--font-heading);
  flex-shrink: 0;
}

.app-bar__logo-text {
  font-family: var(--font-heading);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-foreground);
  letter-spacing: -0.025em;
  white-space: nowrap;
}

.app-bar__center {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  min-width: 0;
  height: 100%;
}

.app-bar__right {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--spacing-2);
  flex: 1 1 0%;
}

.app-bar__user-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: var(--color-white);
  cursor: pointer;
  transition: background-color var(--transition-fast),
              border-color var(--transition-fast);
  color: var(--color-foreground);
  padding: 0;
}

.app-bar__user-btn:hover {
  background-color: var(--color-gray-50);
  border-color: var(--color-gray-300);
}

.app-bar__user-btn:focus-visible {
  outline: 2px solid var(--color-ring);
  outline-offset: 2px;
}

a.app-bar__user-btn {
  text-decoration: none;
  color: inherit;
}

.app-bar__user-btn svg {
  width: 18px;
  height: 18px;
}

/* AppBar User Menu Dropdown */
.app-bar__user-menu {
  position: absolute;
  top: calc(100% + var(--spacing-2));
  right: 0;
  z-index: 100;
  min-width: 10rem;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-1);
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity var(--transition-fast),
              transform var(--transition-fast);
  pointer-events: none;
}

.app-bar__user-menu--open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.app-bar__user-menu-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  width: 100%;
  padding: var(--spacing-2) var(--spacing-3);
  border: none;
  border-radius: var(--radius-base);
  background: none;
  font-family: var(--font-sans);
  font-size: var(--font-size-sm);
  color: var(--color-foreground);
  cursor: pointer;
  transition: background-color var(--transition-fast);
  text-align: left;
}

.app-bar__user-menu-item:hover {
  background-color: var(--color-gray-100);
}

.app-bar__user-menu-item svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* AppBar tabs - desktop only */
.app-bar__tabs {
  display: none;
}

@media (min-width: 1024px) {
  .app-bar__tabs {
    display: flex;
  }
}

/* Offset for fixed app-bar */
.app-bar-offset {
  padding-top: 64px;
}


/* ============================================
   Tabs
   ============================================ */
.tabs {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  position: relative;
}

.tabs[role="tablist"] {
  border: none;
}

.tabs__tab {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  padding: var(--spacing-2) var(--spacing-3);
  height: 100%;
  border: none;
  background: none;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-500);
  white-space: nowrap;
  transition: color var(--transition-fast);
  text-decoration: none;
  line-height: 1;
}

.tabs__tab:hover {
  color: var(--color-foreground);
  opacity: 1;
}

.tabs__tab:focus-visible {
  outline: 2px solid var(--color-ring);
  outline-offset: -2px;
  border-radius: var(--radius-base);
}

.tabs__tab[aria-selected="true"],
.tabs__tab--active {
  color: var(--color-foreground);
  font-weight: var(--font-weight-semibold);
}

.tabs__tab[aria-selected="true"]::after,
.tabs__tab--active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - var(--spacing-3) * 2);
  height: 2px;
  background-color: var(--color-black);
  border-radius: 1px 1px 0 0;
}

/* Tabs inside app-bar sit full height so the underline aligns with the bottom border */
.app-bar .tabs {
  height: 100%;
}

.app-bar .tabs__tab {
  height: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding-top: 0;
  padding-bottom: 0;
}

/* Tab icon (emoji or svg) */
.tabs__tab-icon {
  font-size: var(--font-size-base);
  line-height: 1;
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.tabs__tab-icon svg {
  display: block;
  flex-shrink: 0;
}

/* Scrollable tabs on mobile */
.tabs--scrollable {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;         /* Firefox */
  -ms-overflow-style: none;      /* IE/Edge */
}

.tabs--scrollable::-webkit-scrollbar {
  display: none;                 /* Chrome/Safari */
}


/* ============================================
   BottomNav
   ============================================ */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: 56px;
  background-color: var(--color-white);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 0 var(--spacing-2);
  padding-bottom: env(safe-area-inset-bottom, 0);
}

/* Show only on tablet and below */
@media (min-width: 1024px) {
  .bottom-nav {
    display: none;
  }
}

.bottom-nav__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  flex: 1;
  min-width: 0;
  padding: var(--spacing-1) var(--spacing-2);
  border: none;
  background: none;
  cursor: pointer;
  text-decoration: none;
  color: var(--color-gray-500);
  transition: color var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

.bottom-nav__item:hover {
  color: var(--color-gray-700);
  opacity: 1;
}

.bottom-nav__item:focus-visible {
  outline: 2px solid var(--color-ring);
  outline-offset: -2px;
  border-radius: var(--radius-base);
}

.bottom-nav__item[aria-current="page"],
.bottom-nav__item--active {
  color: var(--color-black);
}

.bottom-nav__icon {
  font-size: 20px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
}

.bottom-nav__label {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: var(--font-weight-medium);
  line-height: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.bottom-nav__item[aria-current="page"] .bottom-nav__label,
.bottom-nav__item--active .bottom-nav__label {
  font-weight: var(--font-weight-semibold);
}

/* Offset for fixed bottom-nav on mobile */
@media (max-width: 1023px) {
  .bottom-nav-offset {
    padding-bottom: 56px;
  }
}

/* When safe-area-inset is present (e.g. iPhone with home indicator) */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
  .bottom-nav {
    height: calc(56px + env(safe-area-inset-bottom, 0));
  }

  @media (max-width: 1023px) {
    .bottom-nav-offset {
      padding-bottom: calc(56px + env(safe-area-inset-bottom, 0));
    }
  }
}


/* ============================================
   Button Component
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-weight: var(--font-weight-medium);
  line-height: 1;
  cursor: pointer;
  white-space: nowrap;
  user-select: none;
  text-decoration: none;
  transition: background-color var(--transition-fast),
              color var(--transition-fast),
              border-color var(--transition-fast),
              opacity var(--transition-fast),
              box-shadow var(--transition-fast);
}

.btn:focus-visible {
  outline: 2px solid var(--color-ring);
  outline-offset: 2px;
}

/* Button Variants */
.btn--default {
  background-color: var(--color-black);
  color: var(--color-white);
  border-color: var(--color-black);
}

.btn--default:hover:not(:disabled) {
  background-color: var(--color-gray-800);
  border-color: var(--color-gray-800);
}

.btn--default:active:not(:disabled) {
  background-color: var(--color-gray-900);
}

.btn--outline {
  background-color: var(--color-white);
  color: var(--color-black);
  border-color: var(--color-gray-300);
}

.btn--outline:hover:not(:disabled) {
  background-color: var(--color-gray-50);
  border-color: var(--color-gray-400);
}

.btn--outline:active:not(:disabled) {
  background-color: var(--color-gray-100);
}

.btn--ghost {
  background-color: transparent;
  color: var(--color-black);
  border-color: transparent;
}

.btn--ghost:hover:not(:disabled) {
  background-color: var(--color-gray-100);
}

.btn--ghost:active:not(:disabled) {
  background-color: var(--color-gray-200);
}

/* Button Sizes */
.btn--sm {
  height: 2rem;          /* 32px */
  padding: 0 var(--spacing-3);
  font-size: var(--font-size-xs);
  border-radius: var(--radius-md);
}

.btn--md {
  height: 2.5rem;        /* 40px */
  padding: 0 var(--spacing-4);
  font-size: var(--font-size-sm);
}

.btn--lg {
  height: 3rem;          /* 48px */
  padding: 0 var(--spacing-6);
  font-size: var(--font-size-base);
}

/* Icon-only button */
.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;         /* 40px */
  height: 2.5rem;        /* 40px */
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background-color: var(--color-white);
  color: var(--color-gray-600);
  cursor: pointer;
  transition: background-color var(--transition-fast),
              border-color var(--transition-fast),
              color var(--transition-fast);
}

.btn-icon:hover {
  background-color: var(--color-gray-50);
  border-color: var(--color-gray-300);
  color: var(--color-foreground);
}

.btn-icon:active {
  background-color: var(--color-gray-100);
}

.btn-icon svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.btn-icon--sm {
  width: 2rem;           /* 32px */
  height: 2rem;          /* 32px */
}

.btn-icon--sm svg {
  width: 16px;
  height: 16px;
}

/* Button States */
.btn:disabled,
.btn--disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.btn--loading {
  position: relative;
  color: transparent !important;
  pointer-events: none;
}

.btn--loading .btn__spinner {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.btn__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1em;
  height: 1em;
  flex-shrink: 0;
}

/* Spinner animation */
@keyframes btn-spin {
  to { transform: rotate(360deg); }
}

.btn__spinner {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn__spinner svg {
  animation: btn-spin 0.6s linear infinite;
}

/* Button mobile touch targets */
@media (max-width: 640px) {
  .btn--sm {
    min-height: 2.75rem;  /* 44px touch target */
    min-width: 2.75rem;
  }
}


/* ============================================
   Card Component
   ============================================ */
.card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow var(--transition-base);
}

.card--elevated {
  border-color: transparent;
  box-shadow: var(--shadow-md);
}

.card--elevated:hover {
  box-shadow: var(--shadow-lg);
}

.card__header {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
  padding: var(--spacing-6);
  padding-bottom: 0;
}

/* Card header with actions (button on the right) */
.card__header:has(button),
.card__header:has(.btn-icon) {
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
}

.card__title {
  font-family: var(--font-heading);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  color: var(--color-foreground);
  margin: 0;
}

.card__subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-muted-foreground);
  margin: 0;
  line-height: var(--line-height-normal);
}

.card__description {
  font-size: var(--font-size-sm);
  color: var(--color-muted-foreground);
  margin: 0;
  line-height: var(--line-height-normal);
}

.card__content {
  padding: var(--spacing-6);
}

.card__header + .card__content {
  padding-top: var(--spacing-4);
}

.card__footer {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-6);
  padding-top: 0;
}


/* ============================================
   Modal Component
   ============================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(2px);
  opacity: 0;
  transition: opacity var(--transition-base);
  padding: var(--spacing-4);
}

.modal-overlay--open {
  opacity: 1;
}

.modal-overlay--closing {
  opacity: 0;
}

.modal {
  position: relative;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 32rem;        /* 512px */
  max-height: calc(100vh - var(--spacing-8));
  display: flex;
  flex-direction: column;
  transform: scale(0.95) translateY(8px);
  transition: transform var(--transition-base);
  overflow: hidden;
}

.modal-overlay--open .modal {
  transform: scale(1) translateY(0);
}

.modal-overlay--closing .modal {
  transform: scale(0.95) translateY(8px);
}

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-6);
  padding-bottom: var(--spacing-4);
  flex-shrink: 0;
}

.modal__title {
  font-family: var(--font-heading);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  color: var(--color-foreground);
  margin: 0;
}

.modal__close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border: none;
  border-radius: var(--radius-md);
  background-color: transparent;
  color: var(--color-gray-500);
  cursor: pointer;
  transition: background-color var(--transition-fast),
              color var(--transition-fast);
  flex-shrink: 0;
}

.modal__close:hover {
  background-color: var(--color-gray-100);
  color: var(--color-foreground);
}

.modal__close:focus-visible {
  outline: 2px solid var(--color-ring);
  outline-offset: 2px;
}

.modal__content {
  padding: 0 var(--spacing-6);
  overflow-y: auto;
  flex: 1;
}

.modal__footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--spacing-2);
  padding: var(--spacing-6);
  padding-top: var(--spacing-4);
  flex-shrink: 0;
}

/* Fullscreen modal */
.modal--fullscreen {
  max-width: 100%;
  max-height: 100%;
  height: 100%;
  border-radius: 0;
}

@media (max-width: 640px) {
  .modal-overlay {
    padding: 0;
    align-items: flex-end;
  }

  .modal {
    max-width: 100%;
    max-height: 90vh;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    transform: translateY(100%);
  }

  .modal-overlay--open .modal {
    transform: translateY(0);
  }

  .modal-overlay--closing .modal {
    transform: translateY(100%);
  }

  .modal--fullscreen {
    max-height: 100vh;
    border-radius: 0;
  }

  .modal__close {
    width: 2.75rem;
    height: 2.75rem;
  }
}


/* ============================================
   Toast Component
   ============================================ */
.toast-container {
  position: fixed;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
  pointer-events: none;
  max-width: 24rem;  /* 384px */
  bottom: var(--spacing-6);
  right: var(--spacing-6);
}

@media (max-width: 640px) {
  .toast-container {
    top: var(--spacing-4);
    right: var(--spacing-4);
    left: var(--spacing-4);
    bottom: auto;
    max-width: 100%;
  }
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-3);
  padding: var(--spacing-4);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  pointer-events: auto;
  position: relative;
  overflow: hidden;
  transform: translateX(100%);
  opacity: 0;
  transition: transform var(--transition-slow),
              opacity var(--transition-slow);
}

.toast--visible {
  transform: translateX(0);
  opacity: 1;
}

.toast--exiting {
  transform: translateX(100%);
  opacity: 0;
}

@media (max-width: 640px) {
  .toast {
    transform: translateY(-100%);
  }

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

  .toast--exiting {
    transform: translateY(-100%);
  }
}

.toast__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.25rem;
  height: 1.25rem;
  flex-shrink: 0;
  margin-top: 1px;
}

.toast__icon--success { color: var(--color-gray-900); }
.toast__icon--error { color: var(--color-gray-900); }
.toast__icon--warning { color: var(--color-gray-700); }
.toast__icon--info { color: var(--color-gray-600); }

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

.toast__message {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-foreground);
  line-height: var(--line-height-normal);
  margin: 0;
}

.toast__action {
  display: inline-block;
  margin-top: var(--spacing-1);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-foreground);
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 2px;
  font-family: var(--font-sans);
}

.toast__action:hover {
  opacity: 0.7;
}

.toast__dismiss {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  border: none;
  border-radius: var(--radius-md);
  background-color: transparent;
  color: var(--color-gray-400);
  cursor: pointer;
  flex-shrink: 0;
  transition: background-color var(--transition-fast),
              color var(--transition-fast);
}

.toast__dismiss:hover {
  background-color: var(--color-gray-100);
  color: var(--color-foreground);
}

.toast__progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 2px;
  background-color: var(--color-gray-300);
  transition: width linear;
}

.toast--success .toast__progress { background-color: var(--color-gray-800); }
.toast--error .toast__progress { background-color: var(--color-gray-900); }
.toast--warning .toast__progress { background-color: var(--color-gray-600); }
.toast--info .toast__progress { background-color: var(--color-gray-500); }


/* ============================================
   Badge Component
   ============================================ */
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  font-family: var(--font-sans);
  font-weight: var(--font-weight-medium);
  line-height: 1;
  white-space: nowrap;
  border: 1px solid transparent;
  transition: background-color var(--transition-fast),
              color var(--transition-fast);
}

/* Badge Variants */
.badge--default {
  background-color: var(--color-black);
  color: var(--color-white);
}

.badge--secondary {
  background-color: var(--color-gray-200);
  color: var(--color-gray-800);
}

.badge--outline {
  background-color: transparent;
  color: var(--color-foreground);
  border-color: var(--color-gray-300);
}

/* Badge Sizes */
.badge--sm {
  height: 1.25rem;      /* 20px */
  padding: 0 var(--spacing-2);
  font-size: 0.6875rem;  /* 11px */
}

.badge--md {
  height: 1.5rem;       /* 24px */
  padding: 0 var(--spacing-3);
  font-size: var(--font-size-xs);
}


/* ============================================
   Input Component
   ============================================ */
.input-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
  width: 100%;
}

.input-group__label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-foreground);
  line-height: var(--line-height-normal);
}

.input {
  display: flex;
  width: 100%;
  height: 2.5rem;       /* 40px */
  padding: 0 var(--spacing-3);
  border: 1px solid var(--color-input);
  border-radius: var(--radius-md);
  background-color: var(--color-white);
  font-family: var(--font-sans);
  font-size: var(--font-size-sm);
  color: var(--color-foreground);
  line-height: var(--line-height-normal);
  transition: border-color var(--transition-fast),
              box-shadow var(--transition-fast);
}

.input::placeholder {
  color: var(--color-gray-400);
}

.input:hover:not(:disabled):not(.input--error) {
  border-color: var(--color-gray-400);
}

.input:focus {
  outline: none;
  border-color: var(--color-ring);
  box-shadow: 0 0 0 1px var(--color-ring);
}

.input--error {
  border-color: var(--color-gray-900);
  box-shadow: 0 0 0 1px var(--color-gray-900);
}

.input--error:focus {
  border-color: var(--color-gray-900);
  box-shadow: 0 0 0 1px var(--color-gray-900);
}

.input:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  background-color: var(--color-gray-50);
}

.input-group__hint {
  font-size: var(--font-size-xs);
  color: var(--color-muted-foreground);
  margin: 0;
}

.input-group__error {
  font-size: var(--font-size-xs);
  color: var(--color-gray-900);
  font-weight: var(--font-weight-medium);
  margin: 0;
}

/* Input mobile touch targets */
@media (max-width: 640px) {
  .input {
    height: 2.75rem;    /* 44px */
    font-size: var(--font-size-base); /* prevent zoom on iOS */
  }
}


/* ============================================
   Textarea Component
   ============================================ */
.textarea-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
  width: 100%;
}

.textarea-group__label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-foreground);
  line-height: var(--line-height-normal);
}

.textarea {
  display: block;
  width: 100%;
  min-height: 5rem;     /* 80px */
  padding: var(--spacing-3);
  border: 1px solid var(--color-input);
  border-radius: var(--radius-md);
  background-color: var(--color-white);
  font-family: var(--font-sans);
  font-size: var(--font-size-sm);
  color: var(--color-foreground);
  line-height: var(--line-height-normal);
  resize: vertical;
  transition: border-color var(--transition-fast),
              box-shadow var(--transition-fast);
}

.textarea--rtl {
  direction: rtl;
  font-family: var(--font-arabic);
  text-align: right;
}

.textarea::placeholder {
  color: var(--color-gray-400);
}

.textarea:hover:not(:disabled):not(.textarea--error) {
  border-color: var(--color-gray-400);
}

.textarea:focus {
  outline: none;
  border-color: var(--color-ring);
  box-shadow: 0 0 0 1px var(--color-ring);
}

.textarea--error {
  border-color: var(--color-gray-900);
  box-shadow: 0 0 0 1px var(--color-gray-900);
}

.textarea:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  background-color: var(--color-gray-50);
}

.textarea--autoresize {
  overflow: hidden;
  resize: none;
}

.textarea-group__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.textarea-group__hint {
  font-size: var(--font-size-xs);
  color: var(--color-muted-foreground);
  margin: 0;
}

.textarea-group__counter {
  font-size: var(--font-size-xs);
  color: var(--color-muted-foreground);
  margin: 0;
  margin-left: auto;
}

.textarea-group__counter--limit {
  color: var(--color-gray-900);
  font-weight: var(--font-weight-medium);
}

.textarea-group__error {
  font-size: var(--font-size-xs);
  color: var(--color-gray-900);
  font-weight: var(--font-weight-medium);
  margin: 0;
}

@media (max-width: 640px) {
  .textarea {
    font-size: var(--font-size-base); /* prevent zoom on iOS */
  }
}


/* ============================================
   Select Component
   ============================================ */
.select-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
  width: 100%;
  position: relative;
}

.select-group__label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-foreground);
  line-height: var(--line-height-normal);
}

.select-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  height: 2.5rem;       /* 40px */
  padding: 0 var(--spacing-3);
  border: 1px solid var(--color-input);
  border-radius: var(--radius-md);
  background-color: var(--color-white);
  font-family: var(--font-sans);
  font-size: var(--font-size-sm);
  color: var(--color-foreground);
  cursor: pointer;
  transition: border-color var(--transition-fast),
              box-shadow var(--transition-fast);
  user-select: none;
}

.select-trigger:hover:not(.select-trigger--disabled) {
  border-color: var(--color-gray-400);
}

.select-trigger:focus {
  outline: none;
  border-color: var(--color-ring);
  box-shadow: 0 0 0 1px var(--color-ring);
}

.select-trigger--open {
  border-color: var(--color-ring);
  box-shadow: 0 0 0 1px var(--color-ring);
}

.select-trigger--disabled {
  opacity: 0.5;
  cursor: not-allowed;
  background-color: var(--color-gray-50);
}

.select-trigger__text {
  flex: 1;
  text-align: left;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.select-trigger__text--placeholder {
  color: var(--color-gray-400);
}

.select-trigger__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1rem;
  height: 1rem;
  color: var(--color-gray-500);
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}

.select-trigger--open .select-trigger__icon {
  transform: rotate(180deg);
}

.select-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  z-index: 100;
  margin-top: var(--spacing-1);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  max-height: 15rem;     /* 240px */
  overflow-y: auto;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity var(--transition-fast),
              transform var(--transition-fast);
  pointer-events: none;
}

.select-dropdown--open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.select-dropdown__search {
  position: sticky;
  top: 0;
  padding: var(--spacing-2);
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
}

.select-dropdown__search-input {
  display: block;
  width: 100%;
  height: 2rem;
  padding: 0 var(--spacing-2);
  border: 1px solid var(--color-input);
  border-radius: var(--radius-base);
  background-color: var(--color-white);
  font-family: var(--font-sans);
  font-size: var(--font-size-xs);
  color: var(--color-foreground);
}

.select-dropdown__search-input:focus {
  outline: none;
  border-color: var(--color-ring);
}

.select-dropdown__search-input::placeholder {
  color: var(--color-gray-400);
}

.select-dropdown__list {
  padding: var(--spacing-1);
  list-style: none;
  margin: 0;
}

.select-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-2) var(--spacing-3);
  font-size: var(--font-size-sm);
  color: var(--color-foreground);
  cursor: pointer;
  border-radius: var(--radius-base);
  transition: background-color var(--transition-fast);
  min-height: 2.25rem;
}

.select-option:hover,
.select-option--focused {
  background-color: var(--color-gray-100);
}

.select-option--selected {
  font-weight: var(--font-weight-medium);
}

.select-option--disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.select-option__check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
  color: var(--color-foreground);
}

.select-dropdown__empty {
  padding: var(--spacing-4);
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--color-muted-foreground);
}

.select-group__hint {
  font-size: var(--font-size-xs);
  color: var(--color-muted-foreground);
  margin: 0;
}

@media (max-width: 640px) {
  .select-trigger {
    height: 2.75rem;    /* 44px */
    font-size: var(--font-size-base);
  }

  .select-option {
    min-height: 2.75rem; /* 44px touch target */
  }
}


/* ============================================
   Shared Component Animations
   ============================================ */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeOut {
  from { opacity: 1; }
  to { opacity: 0; }
}

@keyframes slideUp {
  from { transform: translateY(8px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

@keyframes slideDown {
  from { transform: translateY(-8px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}


/* ============================================
   Screen Reader Only Utility
   ============================================ */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}