/* Models Page Styles */

.models-page {
  background: var(--bg);
}

/* Hero Section */
.models-hero {
  padding: 80px 0 60px;
  background: var(--gradient-hero);
  border-bottom: 1px solid var(--line);
  position: relative;
}

.models-hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 40%;
  height: 100%;
  background: radial-gradient(ellipse at top right, oklch(0.75 0.13 184 / 0.08) 0%, transparent 60%);
  pointer-events: none;
}

.models-hero h1 {
  margin: 0 0 var(--space-3);
  font-size: 56px;
  font-weight: 700;
  line-height: 1.1;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.01em;
}

.models-hero-lede {
  max-width: 600px;
  margin: 0 0 var(--space-7);
  color: var(--ink-soft);
  font-size: 18px;
  line-height: 1.6;
}

.models-stats {
  display: flex;
  gap: var(--space-7);
  flex-wrap: wrap;
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.stat-item strong {
  font-size: 40px;
  font-weight: 700;
  line-height: 1;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-item span {
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Controls */
.models-controls {
  position: sticky;
  top: var(--header-height);
  z-index: 30;
  padding: var(--space-5) 0;
  background: var(--topbar);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  transition: transform 360ms cubic-bezier(0.22, 0.61, 0.36, 1), opacity 220ms ease;
  will-change: transform, opacity;
}

.models-controls[data-scroll-state="hidden"] {
  transform: translateY(calc(-100% - 10px));
  opacity: 0;
  pointer-events: none;
}

.controls-layout {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.search-box-large {
  position: relative;
  width: 100%;
}

.search-box-large .icon {
  position: absolute;
  top: 14px;
  left: var(--space-4);
  width: 20px;
  height: 20px;
  color: var(--ink-soft);
  pointer-events: none;
  transition: color var(--duration) var(--ease-out);
}

.search-box-large input {
  width: 100%;
  min-height: 48px;
  padding: var(--space-3) var(--space-4) var(--space-3) 52px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  color: var(--ink);
  font-size: 15px;
  box-shadow: var(--shadow-sm);
  transition: all var(--duration) var(--ease-out);
}

.search-box-large input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: var(--shadow-md), 0 0 0 3px var(--accent-soft);
}

.search-box-large input:focus + .icon {
  color: var(--accent-strong);
}

.search-box-large input::placeholder {
  color: var(--ink-soft);
  opacity: 1;
}

.filter-toolbar {
  display: grid;
  grid-template-columns: max-content 1px minmax(178px, 0.9fr) 1px minmax(196px, 1fr) 1px minmax(146px, auto);
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: visible;
}

.divider-vertical {
  width: 1px;
  height: 32px;
  background: var(--line);
  flex-shrink: 0;
}

.filter-section {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-width: 0;
}

.filter-section--dropdown {
  position: relative;
}

.filter-section-label {
  font-size: 11px;
  color: var(--ink-soft);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
  flex-shrink: 0;
}

.filter-group {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.filter-button--compact {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 44px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--duration) var(--ease-out);
  white-space: nowrap;
}

.filter-button--compact:hover {
  border-color: var(--accent);
}

.filter-button--compact:focus-visible {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.filter-button--compact[data-active="true"] {
  background: var(--gradient-accent);
  border-color: transparent;
  color: white;
}

.filter-button--compact .count {
  padding: 2px 5px;
  border-radius: 3px;
  background: oklch(0 0 0 / 0.15);
  font-size: 10px;
  font-weight: 700;
}

.filter-button--compact[data-active="true"] .count {
  background: oklch(1 0 0 / 0.2);
}

.filter-menu {
  position: relative;
  flex: 1;
  min-width: 0;
}

.filter-menu-trigger {
  display: flex;
  width: 100%;
  min-width: 0;
  min-height: 44px;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: 7px 10px 7px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  text-align: left;
  cursor: pointer;
  transition: border-color var(--duration) var(--ease-out), background-color var(--duration) var(--ease-out), box-shadow var(--duration) var(--ease-out);
}

.filter-menu-trigger:hover,
.filter-menu[data-open="true"] .filter-menu-trigger {
  border-color: var(--accent);
  background: var(--surface-hover);
}

.filter-menu-trigger:focus-visible {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.filter-menu-trigger-copy {
  display: grid;
  min-width: 0;
  gap: 1px;
}

.filter-menu-trigger-copy strong,
.filter-menu-trigger-copy small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.filter-menu-trigger-copy strong {
  color: var(--ink);
  font-size: 12px;
  font-weight: 700;
}

.filter-menu-trigger-copy small {
  color: var(--ink-soft);
  font-size: 10px;
  font-weight: 500;
}

.filter-menu-chevron {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  color: var(--ink-soft);
  transition: transform var(--duration) var(--ease-out);
}

.filter-menu[data-open="true"] .filter-menu-chevron {
  transform: rotate(180deg);
}

.filter-menu-panel {
  position: absolute;
  z-index: 50;
  top: calc(100% + 8px);
  left: 0;
  display: grid;
  width: min(360px, calc(100vw - 48px));
  max-height: min(420px, calc(100vh - var(--header-height) - 120px));
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  padding: 10px;
  overflow-y: auto;
  overscroll-behavior: contain;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-md);
}

.filter-menu-panel[hidden] {
  display: none;
}

.filter-menu-panel--groups {
  width: min(420px, calc(100vw - 48px));
}

.filter-option-card {
  position: relative;
  display: grid;
  min-width: 0;
  min-height: 52px;
  grid-template-columns: 28px minmax(0, 1fr) 18px;
  align-items: center;
  gap: 9px;
  padding: 8px 9px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface-muted);
  cursor: pointer;
  transition: border-color var(--duration) var(--ease-out), background-color var(--duration) var(--ease-out);
}

.filter-option-card--group {
  grid-template-columns: minmax(0, 1fr) 18px;
}

.filter-option-card:hover {
  border-color: var(--accent);
  background: var(--surface-hover);
}

.filter-option-card:has(.filter-option-input:checked) {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.filter-option-card:has(.filter-option-input:focus-visible) {
  outline: none;
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.filter-option-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.filter-option-card .vendor-icon {
  display: inline-flex;
  width: 28px;
  height: 28px;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  color: white;
  font-size: 12px;
  font-weight: 800;
}

.filter-option-card .vendor-icon img,
.model-icon img {
  display: block;
  width: 18px;
  height: 18px;
  object-fit: contain;
}

.filter-option-copy {
  display: grid;
  min-width: 0;
  gap: 2px;
}

.filter-option-copy strong,
.filter-option-copy small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.filter-option-copy strong {
  color: var(--ink);
  font-size: 12px;
  font-weight: 700;
}

.filter-option-copy small {
  color: var(--ink-soft);
  font-size: 10px;
}

.filter-option-note {
  color: var(--accent-strong);
  font-size: 10px;
  font-weight: 700;
}

.filter-option-check {
  width: 18px;
  height: 18px;
  padding: 3px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: transparent;
}

.filter-option-input:checked ~ .filter-option-check {
  border-color: var(--accent-strong);
  background: var(--accent-strong);
  color: white;
}

.sort-select {
  min-height: 44px;
  min-width: 0;
  width: 100%;
  padding: 6px var(--space-3);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--duration) var(--ease-out);
}

.sort-select:hover {
  border-color: var(--accent);
}

.sort-select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.vendor-icon--openai {
  background: #10a37f;
}

.vendor-icon--anthropic {
  background: #d97757;
}

.vendor-icon--google {
  background: #4285f4;
}

.vendor-icon--deepseek {
  background: #4d6bfe;
}

.vendor-icon--zhipu {
  background: #1c408a;
}

.vendor-icon--other {
  background: #64748b;
}

/* Main Layout */
.models-content {
  padding: var(--space-7) 0 72px;
}

/* Models Grid */
.models-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-5);
}

/* Model Card */
.model-card {
  display: flex;
  flex-direction: column;
  padding: var(--space-4);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--duration) var(--ease-out);
  position: relative;
  overflow: hidden;
  gap: var(--space-3);
  min-width: 0;
}

.model-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 4px;
  height: 100%;
  background: var(--gradient-accent);
  opacity: 0;
  transition: opacity var(--duration) var(--ease-out);
}

.model-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
}

.model-card:hover::before {
  opacity: 1;
}

.model-card-header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.model-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  border-radius: var(--radius);
  background: var(--gradient-primary);
  color: white;
  font-size: 20px;
  font-weight: 700;
}

.model-icon--openai {
  background: #10a37f;
}

.model-icon--anthropic {
  background: #d97757;
}

.model-icon--google {
  background: #4285f4;
}

.model-icon--deepseek {
  background: #4d6bfe;
}

.model-icon--zhipu {
  background: #1c408a;
}

.model-icon--other {
  background: #64748b;
}

.model-info {
  flex: 1;
  min-width: 0;
}

.model-vendor {
  display: inline-block;
  margin-bottom: var(--space-1);
  padding: 2px 8px;
  border-radius: 4px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.model-name-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.model-name {
  margin: 0;
  font-family: 'Cascadia Code', 'JetBrains Mono', Consolas, monospace;
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  overflow-wrap: anywhere;
  line-height: 1.3;
}

.copy-id-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 6px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--surface);
  color: var(--ink-soft);
  font-size: 10px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--duration) var(--ease-out);
}

.copy-id-btn:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.copy-id-btn.copied {
  border-color: oklch(0.5 0.18 140);
  background: oklch(0.5 0.18 140 / 0.15);
  color: oklch(0.4 0.16 140);
}

.copy-id-btn .icon {
  width: 12px;
  height: 12px;
}

.copy-text {
  white-space: nowrap;
}

.model-info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2);
  padding: var(--space-3);
  background: var(--surface-muted);
  border-radius: var(--radius);
}

.info-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.info-item--full {
  grid-column: 1 / -1;
}

.info-label {
  font-size: 11px;
  color: var(--ink-soft);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.info-value {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
}

.info-value.multiplier {
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', sans-serif;
  font-size: 18px;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.protocol-badges,
.capability-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.protocol-badge,
.capability-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  border-radius: 3px;
  font-size: 10px;
  font-weight: 600;
}

.protocol-badge {
  background: oklch(0.65 0.19 250 / 0.15);
  color: oklch(0.5 0.18 260);
}

.protocol-badge--subscription {
  background: oklch(0.78 0.16 82 / 0.24);
  color: oklch(0.48 0.14 62);
}

.protocol-badge--balance {
  background: oklch(0.65 0.15 180 / 0.15);
  color: oklch(0.48 0.13 185);
}

.capability-badge {
  background: oklch(0.65 0.15 180 / 0.15);
  color: oklch(0.55 0.14 190);
}

.model-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.model-tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 4px;
  background: var(--surface-muted);
  color: var(--ink-soft);
  font-size: 11px;
  font-weight: 600;
}

.model-tag--pro {
  background: oklch(0.65 0.22 290 / 0.15);
  color: oklch(0.5 0.2 290);
}

.model-tag--vision {
  background: oklch(0.65 0.18 30 / 0.15);
  color: oklch(0.5 0.16 40);
}

.model-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) var(--space-3);
  background: var(--accent-soft);
  border-radius: var(--radius);
  margin-bottom: var(--space-4);
}

.meta-label {
  font-size: 11px;
  color: var(--ink-soft);
  font-weight: 600;
}

.meta-value {
  font-size: 13px;
  color: var(--accent-strong);
  font-weight: 700;
}

.model-pricing-detailed {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: auto;
  padding: var(--space-3);
  background: var(--surface-muted);
  border-radius: var(--radius);
}

.price-row {
  display: grid;
  min-height: 34px;
  grid-template-columns: minmax(88px, 0.82fr) minmax(62px, 0.62fr) minmax(0, 1.5fr);
  gap: var(--space-2);
  align-items: center;
}

.price-label-col {
  display: flex;
  align-items: baseline;
  gap: 4px;
  font-size: 12px;
  color: var(--ink-soft);
  font-weight: 600;
  white-space: nowrap;
}

.price-detail-col {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
  min-width: 0;
  flex-wrap: nowrap;
}

.price-detail-empty {
  color: var(--ink-soft);
  font-size: 11px;
}

.price-current {
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', sans-serif;
  font-size: 16px;
  font-weight: 700;
  color: var(--accent-strong);
  min-width: 0;
  white-space: nowrap;
}

.price-original {
  font-size: 11px;
  color: var(--ink-soft);
  text-decoration: line-through;
  white-space: nowrap;
}

.price-original--missing {
  text-decoration: none;
}

.price-save {
  padding: 2px 6px;
  border-radius: 4px;
  background: oklch(0.5 0.18 140 / 0.15);
  color: oklch(0.4 0.16 140);
  font-size: 10px;
  font-weight: 700;
  white-space: nowrap;
}

.price-unit {
  color: var(--ink-soft);
  font-size: 10px;
  font-weight: 600;
}

/* Empty State */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-9) var(--space-5);
  text-align: center;
}

.empty-state[hidden] {
  display: none;
}

.empty-icon {
  width: 64px;
  height: 64px;
  margin-bottom: var(--space-5);
  color: var(--ink-soft);
  opacity: 0.3;
}

.empty-state h2 {
  margin: 0 0 var(--space-2);
  font-size: 20px;
  color: var(--ink);
}

.empty-state p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
}

/* Responsive */
@media (max-width: 1240px) {
  .models-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .filter-section--groups .filter-menu-panel {
    right: 0;
    left: auto;
  }
}

@media (max-width: 1020px) {
  .models-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .filter-toolbar {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: end;
    gap: var(--space-3);
  }

  .divider-vertical {
    display: none;
  }

  .filter-section {
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
  }

  .filter-section--type,
  .filter-section--sort {
    grid-column: 1 / -1;
  }

  .filter-section--type .filter-group {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .sort-select {
    width: 100%;
  }

  .filter-section--groups .filter-menu-panel {
    right: 0;
    left: auto;
  }
}

@media (max-width: 760px) {
  .models-hero h1 {
    font-size: 40px;
  }

  .models-hero-lede {
    font-size: 16px;
  }

  .models-stats {
    gap: var(--space-5);
  }

  .stat-item strong {
    font-size: 32px;
  }

  .controls-layout {
    flex-direction: column;
    align-items: stretch;
  }

  .search-box-large {
    flex: 1 1 auto;
    width: 100%;
  }

  .models-grid {
    grid-template-columns: 1fr;
  }

  .model-card-header {
    flex-direction: row;
  }

  .model-info-grid {
    grid-template-columns: 1fr;
  }

  .info-item {
    grid-column: 1 / -1;
  }

}

@media (max-width: 520px) {
  .models-controls {
    padding: var(--space-3) 0;
  }

  .filter-menu-panel {
    width: min(320px, calc(100vw - 72px));
    grid-template-columns: 1fr;
  }

  .filter-menu-panel--groups {
    width: min(340px, calc(100vw - 72px));
  }

  .model-card {
    padding: var(--space-3);
  }

  .price-row {
    grid-template-columns: minmax(92px, auto) minmax(0, 1fr);
    row-gap: 3px;
  }

  .price-detail-col {
    grid-column: 2;
    justify-content: flex-start;
    flex-wrap: wrap;
  }
}

@media (prefers-reduced-motion: reduce) {
  .models-controls {
    transition: none;
  }
}