/* ==========================================================================
   AME · ui.css
   Standardized UI components for ame.medkronos.com.

   Every component is built on the tokens in global.css and ships with
   hover / focus / active states and transitions. Responsive positioning
   (mobile nav panel, sidebar, container widths) lives in devices.css.

   Contents
   1. Buttons            6. Footer            11. Loading
   2. Forms              7. Badges & tags     12. Pagination
   3. Cards              8. Anki card         13. Search
   4. Modal & auth popup 9. Alerts            14. Progress
   5. Navigation         10. —                15. Tabs · Tooltip
   ========================================================================== */


/* --------------------------------------------------------------------------
   1. Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 0.625em 1.25em;
  font-family: var(--font-sans);
  font-size: var(--font-md);
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  color: var(--text-primary);
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  transition: background-color var(--transition-fast),
              color var(--transition-fast),
              border-color var(--transition-fast),
              box-shadow var(--transition-fast),
              transform var(--transition-fast) var(--ease-out);
}

.btn:hover {
  transform: translateY(-1px);
  border-color: var(--text-muted);
}

.btn:active {
  transform: translateY(0) scale(0.98);
}

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

/* -- Variants ------------------------------------------------------------- */
.btn-primary {
  background-color: var(--color-primary);
  color: #ffffff;
}

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

.btn-primary:focus-visible {
  outline-color: var(--color-primary);
}

.btn-secondary {
  background-color: var(--color-secondary);
  color: #ffffff;
}

.btn-secondary:hover {
  background-color: var(--color-secondary-hover);
}

.btn-secondary:focus-visible {
  outline-color: var(--color-secondary);
}

.btn-success {
  background-color: var(--color-success);
  color: #ffffff;
}

.btn-success:hover {
  background-color: var(--color-success-hover);
}

.btn-success:focus-visible {
  outline-color: var(--color-success);
}

.btn-danger {
  background-color: var(--color-danger);
  color: #ffffff;
}

.btn-danger:hover {
  background-color: var(--color-danger-hover);
}

.btn-danger:focus-visible {
  outline-color: var(--color-danger);
}

.btn-warning {
  background-color: var(--color-warning);
  color: #212529; /* dark label — amber fails contrast with white text */
}

.btn-warning:hover {
  background-color: var(--color-warning-hover);
  color: #ffffff;
}

.btn-warning:focus-visible {
  outline-color: var(--color-warning);
}

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

.btn-ghost:hover {
  background-color: var(--bg-secondary);
  border-color: var(--text-muted);
}

/* Dialog pairings */
.btn-cancel {
  background-color: transparent;
  border-color: var(--border);
  color: var(--text-secondary);
}

.btn-cancel:hover {
  border-color: var(--color-danger);
  color: var(--color-danger);
  background-color: var(--color-danger-light);
}

.btn-accept {
  background-color: var(--color-success);
  color: #ffffff;
}

.btn-accept:hover {
  background-color: var(--color-success-hover);
}

.btn-accept:focus-visible {
  outline-color: var(--color-success);
}

/* -- Sizes ---------------------------------------------------------------- */
.btn-sm {
  padding: 0.4em 0.8em;
  font-size: var(--font-sm);
  border-radius: var(--radius-sm);
}

.btn-md {
  padding: 0.625em 1.25em;
  font-size: var(--font-md);
}

.btn-lg {
  padding: 0.85em 1.7em;
  font-size: var(--font-lg);
  border-radius: var(--radius-lg);
}

/* -- Shapes & states ------------------------------------------------------- */
.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-md);
}

.btn-icon.btn-sm {
  width: 32px;
  height: 32px;
}

.btn-icon.btn-lg {
  width: 48px;
  height: 48px;
}

.btn-icon svg {
  width: 20px;
  height: 20px;
}

.btn-block {
  display: flex;
  width: 100%;
}

.btn-disabled,
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
  transform: none;
  box-shadow: none;
}


/* --------------------------------------------------------------------------
   2. Forms
   -------------------------------------------------------------------------- */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  margin-bottom: var(--space-lg);
}

.form-label {
  font-family: var(--font-sans);
  font-size: var(--font-sm);
  font-weight: 600;
  color: var(--text-primary);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.6em 0.85em;
  font-family: var(--font-sans);
  font-size: var(--font-md);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast),
              box-shadow var(--transition-fast),
              background-color var(--transition-fast);
}

.form-input:hover,
.form-select:hover,
.form-textarea:hover {
  border-color: var(--text-muted);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
  line-height: 1.6;
}

.form-select {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 2.5em;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236c757d' stroke-width='2' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.9em center;
  cursor: pointer;
}

.form-hint {
  font-family: var(--font-sans);
  font-size: var(--font-sm);
  color: var(--text-muted);
}

.form-error {
  font-family: var(--font-sans);
  font-size: var(--font-sm);
  font-weight: 500;
  color: var(--color-danger);
}

.form-input.is-invalid,
.form-select.is-invalid,
.form-textarea.is-invalid {
  border-color: var(--color-danger);
}

.form-input.is-invalid:focus,
.form-select.is-invalid:focus,
.form-textarea.is-invalid:focus {
  box-shadow: 0 0 0 3px var(--color-danger-light);
}


/* --------------------------------------------------------------------------
   3. Cards
   -------------------------------------------------------------------------- */
.card {
  display: flex;
  flex-direction: column;
  background-color: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-normal) var(--ease-out),
              transform var(--transition-normal) var(--ease-out),
              border-color var(--transition-normal);
}

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

.card-header {
  padding: var(--space-lg) var(--space-xl);
  font-family: var(--font-sans);
  font-weight: 600;
  border-bottom: 1px solid var(--border);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  background-color: var(--bg-secondary);
}

.card-body {
  padding: var(--space-xl);
  flex: 1 1 auto;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-sm);
  padding: var(--space-lg) var(--space-xl);
  border-top: 1px solid var(--border);
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
  background-color: var(--bg-secondary);
}


/* --------------------------------------------------------------------------
   4. Modal & auth popup
   -------------------------------------------------------------------------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  background-color: var(--overlay-bg);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal) var(--ease-out),
              visibility 0s linear var(--transition-normal);
}

.modal-overlay.open,
.modal-overlay.active {
  opacity: 1;
  visibility: visible;
  transition: opacity var(--transition-normal) var(--ease-out),
              visibility 0s;
}

.modal {
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  max-height: 90dvh;
  background-color: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  transform: translateY(16px) scale(0.97);
  transition: transform var(--transition-normal) var(--ease-out);
}

.modal-overlay.open .modal,
.modal-overlay.active .modal {
  transform: none;
}

/* Size variants used by layout.php popups */
.modal-wide {
  max-width: 760px;
}

.modal-auth {
  max-width: 420px;
  overflow: hidden;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-lg) var(--space-xl);
  border-bottom: 1px solid var(--border);
}

.modal-header h2,
.modal-header h3 {
  margin: 0;
  font-size: var(--font-xl);
}

.modal-body {
  padding: var(--space-xl);
  overflow-y: auto;
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-sm);
  padding: var(--space-lg) var(--space-xl);
  border-top: 1px solid var(--border);
}

.modal-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: var(--font-xl);
  line-height: 1;
  cursor: pointer;
  transition: background-color var(--transition-fast),
              color var(--transition-fast),
              transform var(--transition-fast);
}

.modal-close:hover {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  transform: rotate(90deg);
}

/* -- Auth popup -------------------------------------------------------------
   A modal-card variant with tabbed, sliding windows:

   <div class="auth-popup card">
     <nav class="auth-tabs"> … .auth-tab buttons … </nav>
     <div class="auth-slide" data-active="login">
       <section class="auth-panel">login</section>
       <section class="auth-panel">register</section>
       <section class="auth-panel">recover</section>
     </div>
   </div>

   Drive the slide with data-active="login|register|recover"
   (or the .auth-slide--register / .auth-slide--recover modifiers).
----------------------------------------------------------------------------- */
.auth-popup {
  width: 100%;
  max-width: 420px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.auth-tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  background-color: var(--bg-secondary);
}

.auth-tab {
  flex: 1 1 0;
  padding: var(--space-md) var(--space-sm);
  font-family: var(--font-sans);
  font-size: var(--font-sm);
  font-weight: 600;
  color: var(--text-secondary);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: color var(--transition-fast),
              border-color var(--transition-fast),
              background-color var(--transition-fast);
}

.auth-tab:hover {
  color: var(--text-primary);
  background-color: var(--bg-tertiary);
}

.auth-tab.active,
.auth-tab[aria-selected='true'] {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* Two track flavours:
   .auth-slide  — driven by data-active / modifier classes
   .auth-slider — layout.php variant, driven by data-panel (auth.js)   */
.auth-slide,
.auth-slider {
  display: flex;
  width: 300%; /* three panels, each one popup-width */
  transition: transform var(--transition-normal) var(--ease-out);
}

.auth-viewport {
  overflow: hidden;
}

.auth-panel {
  flex: 0 0 calc(100% / 3);
  width: calc(100% / 3);
  padding: var(--space-xl);
}

.auth-slide[data-active='register'],
.auth-slider[data-panel='register'],
.auth-slide--register {
  transform: translateX(calc(-100% / 3));
}

.auth-slide[data-active='recover'],
.auth-slider[data-panel='recover'],
.auth-slide--recover {
  transform: translateX(calc(-200% / 3));
}


/* --------------------------------------------------------------------------
   5. Navigation — topbar
   -------------------------------------------------------------------------- */
/* The app shell's topbar layout (grid columns, height, padding) lives in
   global.css — layout.php markup depends on it. This rule only contributes
   the shared chrome (stickiness + translucent blur surface). The flex-row
   companion classes below (.topbar-brand / .topbar-nav / .topbar-search /
   .topbar-actions) style the alternate flex topbar variant and future
   navigations built on ui.css primitives. */
.topbar {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background-color: var(--header-bg);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.topbar-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-sans);
  font-size: var(--font-lg);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

.topbar-brand:hover {
  opacity: 0.85;
  color: var(--text-primary);
}

.topbar-brand img,
.topbar-brand svg {
  width: 32px;
  height: 32px;
}

.topbar-nav {
  display: flex;
  gap: var(--space-xs);
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-md);
  font-family: var(--font-sans);
  font-size: var(--font-sm);
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: color var(--transition-fast),
              background-color var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-primary);
  background-color: var(--color-primary-light);
}

.nav-link.active,
.nav-link[aria-current='page'] {
  color: var(--color-primary);
  font-weight: 600;
  background-color: var(--color-primary-light);
}

.topbar-search {
  position: relative;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

/* -- Hamburger (mobile only; hidden ≥1024px in devices.css) ---------------- */
.hamburger {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.hamburger:hover {
  background-color: var(--bg-tertiary);
}

.hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  border-radius: var(--radius-full);
  background-color: var(--text-primary);
  transition: transform var(--transition-normal) var(--ease-out),
              opacity var(--transition-fast);
}

.hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* -- Dropdown menus ---------------------------------------------------------- */
.nav-dropdown {
  position: relative;
}

.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: var(--z-dropdown);
  min-width: 210px;
  padding: var(--space-xs);
  background-color: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity var(--transition-fast) var(--ease-out),
              transform var(--transition-fast) var(--ease-out),
              visibility 0s linear var(--transition-fast);
}

.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown:focus-within .nav-dropdown-menu,
.nav-dropdown.open .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: none;
  transition: opacity var(--transition-fast) var(--ease-out),
              transform var(--transition-fast) var(--ease-out),
              visibility 0s;
}

.nav-dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-sans);
  font-size: var(--font-sm);
  color: var(--text-secondary);
  text-decoration: none;
  text-align: left;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color var(--transition-fast),
              color var(--transition-fast);
}

.nav-dropdown-item:hover {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
}


/* --------------------------------------------------------------------------
   6. Footer
   -------------------------------------------------------------------------- */
.footer {
  margin-top: auto;
  padding: var(--space-xxl) var(--space-lg) var(--space-lg);
  border-top: 1px solid var(--border);
  background-color: var(--bg-secondary);
}

.footer .container {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-links a {
  font-family: var(--font-sans);
  font-size: var(--font-sm);
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

.footer-version {
  font-family: var(--font-mono);
  font-size: var(--font-xs);
  color: var(--text-muted);
}


/* --------------------------------------------------------------------------
   7. Badges & tags
   -------------------------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 10px;
  font-family: var(--font-sans);
  font-size: var(--font-xs);
  font-weight: 600;
  line-height: 1.6;
  letter-spacing: 0.02em;
  white-space: nowrap;
  border-radius: var(--radius-full);
  background-color: var(--bg-tertiary);
  color: var(--text-secondary);
}

.badge-primary {
  background-color: var(--color-primary-light);
  color: var(--color-primary-bright);
}

.badge-success {
  background-color: var(--color-success-light);
  color: var(--color-success-bright);
}

.badge-warning {
  background-color: var(--color-warning-light);
  color: var(--color-warning-bright);
}

.badge-danger {
  background-color: var(--color-danger-light);
  color: var(--color-danger-bright);
}


/* --------------------------------------------------------------------------
   8. Anki card — 3D flip
   Toggle .flipped (JS) to reveal the answer face.
   -------------------------------------------------------------------------- */
.anki-card {
  width: 100%;
  min-height: 340px;
  perspective: 1400px;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.anki-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: inherit;
  transform-style: preserve-3d;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.anki-card.flipped .anki-card-inner {
  transform: rotateY(180deg);
}

.anki-card-front,
.anki-card-back {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  padding: var(--space-xxl);
  text-align: center;
  border: 1px solid var(--border);
  border-radius: var(--radius-xxl);
  box-shadow: var(--shadow-md);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  overflow: hidden;
}

/* Accent bar marks the question face… */
.anki-card-front {
  background-color: var(--bg-primary);
}

.anki-card-front::before {
  content: '';
  position: absolute;
  top: 0;
  left: 32px;
  right: 32px;
  height: 4px;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  background-color: var(--color-accent);
}

/* …teal marks the answer face */
.anki-card-back {
  background-color: var(--bg-secondary);
  transform: rotateY(180deg);
}

.anki-card-back::before {
  content: '';
  position: absolute;
  top: 0;
  left: 32px;
  right: 32px;
  height: 4px;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  background-color: var(--color-secondary);
}

/* Wavy corner decoration, painted beneath the content.
   The SVG is a mask (thin playful lines, NW + SE); the colour is the theme
   accent, so it follows light/dark automatically. Front = calm amber flow,
   back = livelier teal ripple. */
.anki-card-front::after,
.anki-card-back::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-color: var(--color-accent);
  opacity: .42;
  -webkit-mask-repeat: no-repeat;
          mask-repeat: no-repeat;
  -webkit-mask-position: center;
          mask-position: center;
  -webkit-mask-size: cover;
          mask-size: cover;
}
.anki-card-front::after {
  -webkit-mask-image: url('../Media/anki-front.svg');
          mask-image: url('../Media/anki-front.svg');
}
.anki-card-back::after {
  background-color: var(--color-secondary);
  -webkit-mask-image: url('../Media/anki-back.svg');
          mask-image: url('../Media/anki-back.svg');
}
/* keep the card text above the wave layer */
.anki-card-front > *,
.anki-card-back > * {
  position: relative;
  z-index: 1;
}

.anki-card-hint {
  font-family: var(--font-sans);
  font-size: var(--font-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}


/* --------------------------------------------------------------------------
   9. Alerts
   -------------------------------------------------------------------------- */
.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  font-family: var(--font-sans);
  font-size: var(--font-sm);
  border: 1px solid transparent;
  border-radius: var(--radius-lg);
}

.alert > :last-child {
  margin-bottom: 0;
}

.alert-title {
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.alert-info {
  background-color: var(--color-info-light);
  color: var(--color-info-bright);
  border-color: var(--color-info-muted);
}

.alert-success {
  background-color: var(--color-success-light);
  color: var(--color-success-bright);
  border-color: var(--color-success-muted);
}

.alert-warning {
  background-color: var(--color-warning-light);
  color: var(--color-warning-bright);
  border-color: var(--color-warning-muted);
}

.alert-danger,
.alert-error {
  background-color: var(--color-danger-light);
  color: var(--color-danger-bright);
  border-color: var(--color-danger-muted);
}


/* --------------------------------------------------------------------------
   10. Loading — spinner & skeleton
   -------------------------------------------------------------------------- */
.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--border);
  border-top-color: var(--color-primary);
  border-radius: var(--radius-full);
  animation: ame-spin 0.8s linear infinite;
}

.spinner-sm {
  width: 18px;
  height: 18px;
  border-width: 2px;
}

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

.skeleton {
  position: relative;
  overflow: hidden;
  min-height: 1em;
  border-radius: var(--radius-md);
  background-color: var(--bg-tertiary);
}

.skeleton::after {
  content: '';
  position: absolute;
  inset: 0;
  transform: translateX(-100%);
  background: linear-gradient(90deg,
    transparent 0%,
    var(--skeleton-sheen) 50%,
    transparent 100%);
  animation: ame-shimmer 1.6s ease-in-out infinite;
}

@keyframes ame-shimmer {
  100% {
    transform: translateX(100%);
  }
}

.skeleton-text {
  height: 0.9em;
  margin-bottom: var(--space-sm);
}

.skeleton-circle {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
}


/* --------------------------------------------------------------------------
   11. Pagination
   -------------------------------------------------------------------------- */
.pagination {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 var(--space-sm);
  font-family: var(--font-sans);
  font-size: var(--font-sm);
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  background-color: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: color var(--transition-fast),
              border-color var(--transition-fast),
              background-color var(--transition-fast),
              transform var(--transition-fast) var(--ease-out);
}

.page-link:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
  background-color: var(--color-primary-light);
  transform: translateY(-1px);
}

.page-item.active .page-link {
  color: #ffffff;
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  cursor: default;
  transform: none;
}

.page-item.disabled .page-link {
  opacity: 0.45;
  pointer-events: none;
}


/* --------------------------------------------------------------------------
   12. Search
   -------------------------------------------------------------------------- */
.search-bar {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
}

.search-bar::before {
  content: '';
  position: absolute;
  left: 0.9em;
  width: 14px;
  height: 14px;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236c757d' stroke-width='2.4' stroke-linecap='round'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='M21 21l-4.35-4.35'/%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
}

.search-input {
  width: 100%;
  padding: 0.55em 1em 0.55em 2.4em;
  font-family: var(--font-sans);
  font-size: var(--font-sm);
  color: var(--text-primary);
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  transition: background-color var(--transition-fast),
              border-color var(--transition-fast),
              box-shadow var(--transition-fast);
}

.search-input:hover {
  border-color: var(--text-muted);
}

.search-input:focus {
  outline: none;
  background-color: var(--bg-primary);
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.search-results {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  z-index: var(--z-dropdown);
  max-height: 400px;
  overflow-y: auto;
  padding: var(--space-xs);
  background-color: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity var(--transition-fast) var(--ease-out),
              transform var(--transition-fast) var(--ease-out),
              visibility 0s linear var(--transition-fast);
}

.search-bar.open .search-results,
.search-results.open {
  opacity: 1;
  visibility: visible;
  transform: none;
  transition: opacity var(--transition-fast) var(--ease-out),
              transform var(--transition-fast) var(--ease-out),
              visibility 0s;
}

.search-result-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  transition: background-color var(--transition-fast);
}

.search-result-item:hover,
.search-result-item.active {
  background-color: var(--bg-secondary);
}

.search-result-title {
  font-family: var(--font-sans);
  font-size: var(--font-sm);
  font-weight: 600;
  color: var(--text-primary);
}

.search-result-meta {
  font-family: var(--font-sans);
  font-size: var(--font-xs);
  color: var(--text-muted);
}

/* Matched text inside results */
.search-highlight,
.search-result-item mark {
  background-color: var(--color-accent-light);
  color: var(--color-accent-bright);
  font-weight: 700;
  border-radius: var(--radius-xs);
  padding: 0 2px;
}


/* --------------------------------------------------------------------------
   13. Progress
   -------------------------------------------------------------------------- */
.progress-bar {
  width: 100%;
  height: 8px;
  overflow: hidden;
  border-radius: var(--radius-full);
  background-color: var(--bg-tertiary);
}

.progress-fill {
  position: relative;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--color-secondary), var(--color-primary));
  transition: width var(--transition-normal) var(--ease-out);
}

/* Soft moving sheen so progress feels alive */
.progress-fill::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.25) 50%,
    transparent 100%);
  animation: ame-shimmer 2.2s ease-in-out infinite;
}

.progress-fill.indeterminate {
  width: 40% !important;
  animation: ame-progress-slide 1.3s var(--ease-out) infinite;
}

@keyframes ame-progress-slide {
  0% {
    margin-left: -40%;
  }
  100% {
    margin-left: 100%;
  }
}


/* --------------------------------------------------------------------------
   14. Tabs
   -------------------------------------------------------------------------- */
.tabs {
  display: flex;
  gap: var(--space-xs);
  border-bottom: 1px solid var(--border);
}

.tab {
  padding: var(--space-sm) var(--space-lg);
  margin-bottom: -1px;
  font-family: var(--font-sans);
  font-size: var(--font-sm);
  font-weight: 600;
  color: var(--text-secondary);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: color var(--transition-fast),
              border-color var(--transition-fast);
}

.tab:hover {
  color: var(--text-primary);
}

.tab-active,
.tab.active,
.tab[aria-selected='true'] {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.tab-content {
  padding: var(--space-lg) 0;
}

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
  animation: ame-fade-in var(--transition-normal) var(--ease-out);
}

@keyframes ame-fade-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}


/* --------------------------------------------------------------------------
   15. Tooltip
   Usage: <button class="tooltip" data-tooltip="High yield">…</button>
   -------------------------------------------------------------------------- */
.tooltip {
  position: relative;
}

.tooltip::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  z-index: var(--z-popup);
  padding: 4px 10px;
  font-family: var(--font-sans);
  font-size: var(--font-xs);
  font-weight: 500;
  line-height: 1.5;
  white-space: nowrap;
  color: var(--tooltip-color);
  background-color: var(--tooltip-bg);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%) translateY(4px);
  pointer-events: none;
  transition: opacity var(--transition-fast) var(--ease-out),
              transform var(--transition-fast) var(--ease-out),
              visibility 0s linear var(--transition-fast);
}

/* Arrow */
.tooltip::before {
  content: '';
  position: absolute;
  bottom: calc(100% + 3px);
  left: 50%;
  z-index: var(--z-popup);
  border: 5px solid transparent;
  border-top-color: var(--tooltip-bg);
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%) translateY(4px);
  pointer-events: none;
  transition: opacity var(--transition-fast) var(--ease-out),
              transform var(--transition-fast) var(--ease-out),
              visibility 0s linear var(--transition-fast);
}

.tooltip:hover::after,
.tooltip:hover::before,
.tooltip:focus-visible::after,
.tooltip:focus-visible::before {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  transition: opacity var(--transition-fast) var(--ease-out),
              transform var(--transition-fast) var(--ease-out),
              visibility 0s;
}