.llm-main {
  max-width: 1400px;
}

.header-title {
  text-align: center;
  margin-bottom: 24px;
}

.header-title h1 {
  margin-bottom: 8px;
}

.header-title p {
  color: var(--muted);
  max-width: 820px;
  margin: 0 auto;
}

.selection-panel,
.results-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  margin-bottom: 24px;
}

.selection-panel,
.results-section,
.model-card,
.gpu-card {
  transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
}

.device-title {
  color: var(--text);
  margin-bottom: 14px;
}

.device-count {
  font-size: 0.9rem;
  color: var(--primary);
  font-weight: 500;
}

.family-hidden,
.is-hidden {
  display: none;
}

.filters-section {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 16px;
}

.filter-group {
  margin-bottom: 14px;
}

.filter-group:last-child {
  margin-bottom: 0;
}

.filter-title {
  color: var(--text);
  font-weight: 600;
  margin-bottom: 8px;
}

.filter-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-btn {
  padding: 8px 14px;
  border: 2px solid var(--border);
  background: var(--surface);
  color: var(--muted);
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  transition: all var(--transition);
}

.filter-btn:focus-visible,
.tab:focus-visible,
.gpu-card:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

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

.filter-btn.active {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-color: var(--primary);
  color: #fff;
}

.clear-filters {
  background: rgba(239, 68, 68, 0.12);
  border-color: rgba(239, 68, 68, 0.35);
  color: #b91c1c;
}

[data-theme="dark"] .clear-filters {
  color: #fca5a5;
}

.filter-status {
  display: none;
  margin-bottom: 12px;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid rgba(16, 185, 129, 0.45);
  background: rgba(16, 185, 129, 0.14);
  color: var(--text);
  font-size: 0.9rem;
}

.filter-status.active {
  display: block;
}

.gpu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}

.gpu-card {
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: 12px;
  padding: 14px;
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
}

.gpu-card:hover,
.gpu-card.selected {
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.gpu-card.selected .gpu-vram {
  opacity: 0.95;
}

.gpu-card.selected {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
}

.gpu-name {
  font-weight: 700;
  margin-bottom: 4px;
}

.gpu-vram {
  font-size: 0.9rem;
}

.platform-tabs {
  display: flex;
  gap: 6px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 6px;
  margin-bottom: 16px;
}

.tab {
  flex: 1;
  text-align: center;
  border-radius: 8px;
  cursor: pointer;
  padding: 10px 12px;
  color: var(--text);
  font-weight: 600;
  transition: background var(--transition), color var(--transition), transform var(--transition);
}

.tab:hover {
  background: color-mix(in srgb, var(--primary) 18%, transparent);
}

.tab.active {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: var(--shadow);
}

.legend {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
  margin-bottom: 16px;
}

.legend h4 {
  color: var(--text);
  margin-bottom: 10px;
}

.legend-subtitle {
  margin-top: 15px;
}

.legend-note {
  font-size: 0.85rem;
  color: var(--muted);
  margin-top: 10px;
}

.legend-item {
  display: inline-block;
  margin: 4px 10px 4px 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

.model-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 16px;
}

.model-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  transition: all var(--transition);
}

.model-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.model-name {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
}

.model-family,
.quant-title {
  color: var(--muted);
  font-size: 0.9rem;
}

.model-description {
  color: var(--muted);
  margin-bottom: 10px;
}

.quant-list,
.capabilities {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.quantizations-tight {
  margin-top: 5px;
}

.quantizations-spacious {
  margin-top: 15px;
}

.quant-tag {
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.8rem;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.capability-badge {
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
}

.capability-vision { background: #dbeafe; color: #1d4ed8; }
.capability-tools { background: #dcfce7; color: #15803d; }
.capability-reasoning { background: #fef3c7; color: #b45309; }

[data-theme="dark"] .capability-vision { background: rgba(37, 99, 235, 0.25); color: #93c5fd; }
[data-theme="dark"] .capability-tools { background: rgba(22, 163, 74, 0.22); color: #86efac; }
[data-theme="dark"] .capability-reasoning { background: rgba(217, 119, 6, 0.24); color: #fcd34d; }

.performance-info {
  margin-top: 12px;
  padding: 10px;
  border-radius: 8px;
  border-left: 3px solid var(--primary);
  background: var(--bg);
  color: var(--muted);
}

.model-card p {
  color: var(--muted) !important;
}

.results-title {
  color: var(--text);
  margin-bottom: 20px;
}

.results-count {
  font-size: 0.9rem;
  color: var(--primary);
  font-weight: 500;
}

.no-selection,
.no-models {
  text-align: center;
  color: var(--muted);
  padding: 36px 16px;
}

@media (max-width: 768px) {
  .platform-tabs {
    flex-direction: column;
  }

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