/* =========================================
   MODELS CENTER PAGE
   ========================================= */

.models-header {
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
  padding: 48px 0 36px;
  text-align: center;
}
.models-header h1 {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 800;
  margin-bottom: 10px;
}
.models-header p {
  color: var(--text-secondary);
  font-size: 16px;
  margin-bottom: 24px;
}
.hot-tags {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}
.hot-label { font-size: 13px; color: var(--text-muted); }
.hot-tag {
  padding: 5px 14px;
  background: rgba(59,130,246,0.1);
  border: 1px solid rgba(59,130,246,0.2);
  color: var(--accent-bright);
  border-radius: 100px;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
}
.hot-tag:hover {
  background: rgba(59,130,246,0.2);
  border-color: rgba(59,130,246,0.4);
}

/* LAYOUT */
.models-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: calc(100vh - 220px);
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
  gap: 32px;
}

/* SIDEBAR */
.models-sidebar {
  padding: 32px 0;
  position: sticky;
  top: 80px;
  align-self: start;
}
.filter-section { margin-bottom: 32px; }
.filter-section h3 {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.filter-options {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.filter-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  text-align: left;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.filter-btn:hover { background: var(--surface); color: var(--text-primary); }
.filter-btn.active {
  background: rgba(59,130,246,0.12);
  color: var(--accent-bright);
  font-weight: 500;
}

.price-range { padding: 0 4px; }
.price-range input[type=range] {
  width: 100%;
  margin-bottom: 8px;
  accent-color: var(--accent);
  background: none;
  border: none;
  padding: 0;
}
.price-labels {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-muted);
}

/* MAIN */
.models-main { padding: 32px 0; }

.models-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.search-wrap {
  flex: 1;
  min-width: 200px;
  position: relative;
}
.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--text-muted);
}
#modelSearch {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 14px;
  padding: 10px 14px 10px 38px;
  outline: none;
  transition: border-color 0.2s;
}
#modelSearch:focus { border-color: var(--accent); }
#modelSearch::placeholder { color: var(--text-muted); }

.sort-wrap select {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 13px;
  padding: 9px 14px;
  outline: none;
  cursor: pointer;
}

.view-toggle {
  display: flex;
  gap: 4px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 4px;
}
.view-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s;
}
.view-btn svg { width: 14px; height: 14px; }
.view-btn.active { background: var(--surface-2); color: var(--text-primary); }

.result-count { font-size: 13px; color: var(--text-muted); white-space: nowrap; }

/* MODEL CARDS GRID */
.models-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}
.models-grid.list-view {
  grid-template-columns: 1fr;
}

.model-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px;
  cursor: pointer;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
  display: flex;
  flex-direction: column;
  gap: 12px;
  animation: fadeUp 0.4s ease both;
}
.model-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 6px 24px rgba(59,130,246,0.12);
}

.model-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
}
.model-logo {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--bg-3);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
  overflow: hidden;
}
.model-logo img { width: 100%; height: 100%; object-fit: contain; }
.model-org { font-size: 12px; color: var(--text-muted); }
.model-type-badge {
  margin-left: auto;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 600;
}
.type-chat      { background: rgba(59,130,246,0.12);  color: var(--accent-bright); }
.type-image     { background: rgba(139,92,246,0.12);  color: #a78bfa; }
.type-embedding { background: rgba(16,185,129,0.12);  color: var(--success); }
.type-rerank    { background: rgba(245,158,11,0.12);  color: var(--warning); }
.type-audio     { background: rgba(6,182,212,0.12);   color: var(--accent-2); }
.type-video     { background: rgba(239,68,68,0.12);   color: var(--danger); }

.model-name {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  word-break: break-all;
}
.model-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.model-tag {
  padding: 3px 10px;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 11px;
  color: var(--text-secondary);
}

.model-features {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.model-feature {
  font-size: 11px;
  color: var(--text-muted);
  background: var(--bg-3);
  padding: 2px 8px;
  border-radius: 4px;
}

.model-pricing {
  display: flex;
  justify-content: space-between;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  font-size: 12px;
}
.price-item { display: flex; flex-direction: column; gap: 2px; }
.price-label { color: var(--text-muted); }
.price-value { color: var(--text-primary); font-weight: 600; font-size: 13px; }
.price-value.free { color: var(--success); }

.model-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--text-muted);
}
.model-size {
  background: var(--bg-3);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
}

/* LIST VIEW card */
.models-grid.list-view .model-card {
  flex-direction: row;
  align-items: center;
  gap: 20px;
  padding: 16px 22px;
}
.models-grid.list-view .model-card-header { flex: 0 0 auto; }
.models-grid.list-view .model-name { flex: 1; }
.models-grid.list-view .model-pricing { flex: 0 0 auto; padding: 0; border: none; }

/* PAGINATION */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 6px;
  margin-top: 40px;
  padding-bottom: 40px;
}
.page-btn {
  width: 36px;
  height: 36px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  font-size: 14px;
  cursor: pointer;
  transition: all 0.15s;
}
.page-btn:hover { border-color: var(--accent); color: var(--accent-bright); }
.page-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.page-btn:disabled { opacity: 0.4; cursor: default; }

/* MODAL DETAIL */
.modal-content h2 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 6px;
}
.modal-content .modal-meta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}
.modal-section { margin-bottom: 24px; }
.modal-section h4 {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.pricing-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.pricing-detail-item {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
}
.pricing-detail-item .label { font-size: 12px; color: var(--text-muted); margin-bottom: 4px; }
.pricing-detail-item .value { font-size: 20px; font-weight: 700; font-family: var(--font-display); }

.modal-code pre {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
  font-size: 13px;
  overflow-x: auto;
  color: #e2e8f0;
  font-family: 'Fira Code', monospace;
  line-height: 1.7;
}

@media (max-width: 900px) {
  .models-layout {
    grid-template-columns: 1fr;
    padding: 0 16px;
  }
  .models-sidebar {
    position: static;
    padding: 16px 0 0;
  }
  .filter-options { flex-direction: row; flex-wrap: wrap; }
  .models-header { padding: 32px 0 24px; }
  .models-header h1 { font-size: 28px; }
  .models-grid { grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); }
  .models-grid.list-view .model-card { flex-direction: column; align-items: stretch; gap: 12px; }
  .models-grid.list-view .model-pricing { padding-top: 12px; border-top: 1px solid var(--border); }
  .pricing-detail-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .models-header h1 { font-size: 22px; }
  .models-toolbar { flex-direction: column; align-items: stretch; }
  .sort-wrap select { width: 100%; }
  .view-toggle { align-self: flex-end; }
  .models-grid { grid-template-columns: 1fr; }
  .model-card { padding: 16px; }
  .card .model-name { font-size: 14px; }
}