/* ==========================================================================
   Interactive Code Playground & Live Model Showcase Styles
   ========================================================================== */

.quickstart-section {
  padding: 80px 24px 60px;
  background: var(--home-bg);
  position: relative;
}

.quickstart-container {
  max-width: 1120px;
  margin: 0 auto;
}

.quickstart-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 48px;
}

.quickstart-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 9999px;
  background: rgba(99, 102, 241, 0.1);
  color: #6366f1;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 16px;
  border: 1px solid rgba(99, 102, 241, 0.2);
}

.quickstart-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  color: var(--home-text);
  line-height: 1.25;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.quickstart-desc {
  font-size: 16px;
  color: var(--home-muted);
  line-height: 1.6;
}

/* Code Playground Window */
.code-window {
  background: #0d1117;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.05);
  margin-bottom: 64px;
}

.code-window-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  background: #161b22;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.code-window-dots {
  display: flex;
  align-items: center;
  gap: 7px;
}

.code-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.code-dot.red { background: #ff5f56; }
.code-dot.yellow { background: #ffbd2e; }
.code-dot.green { background: #27c93f; }

.code-tabs {
  display: flex;
  gap: 6px;
}

.code-tab-btn {
  background: transparent;
  border: none;
  color: #8b949e;
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.code-tab-btn:hover {
  color: #c9d1d9;
  background: rgba(255, 255, 255, 0.05);
}

.code-tab-btn.active {
  color: #ffffff;
  background: rgba(99, 102, 241, 0.25);
  border: 1px solid rgba(99, 102, 241, 0.4);
}

.code-window-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn-copy-code {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 6px;
  background: #21262d;
  color: #c9d1d9;
  border: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-copy-code:hover {
  background: #30363d;
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.2);
}

.code-window-body {
  padding: 24px;
  overflow-x: auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 14px;
  line-height: 1.7;
  color: #e6edf3;
}

.code-window-body pre {
  margin: 0;
}

/* Syntax Highlighting */
.code-kw { color: #ff7b72; font-weight: 600; }
.code-fn { color: #d2a8ff; }
.code-str { color: #a5d6ff; }
.code-cmt { color: #8b949e; font-style: italic; }
.code-prop { color: #79c0ff; }
.code-val { color: #7ee787; }

/* Live Model Showcase Grid */
.models-showcase {
  margin-top: 20px;
}

.models-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}

.model-card {
  background: var(--home-surface);
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 14px;
  padding: 22px;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  position: relative;
  display: flex;
  flex-direction: column;
}

.dark .model-card,
[data-theme="dark"] .model-card {
  border-color: rgba(255, 255, 255, 0.1);
  background: #161b22;
}

.model-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 32px -8px rgba(0, 0, 0, 0.1);
  border-color: #6366f1;
}

.model-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.model-card-tag {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  background: rgba(99, 102, 241, 0.12);
  color: #6366f1;
}

.model-card-status {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  font-weight: 500;
  color: #10b981;
}

.status-dot-pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.2);
  animation: pulseGreen 2s infinite;
}

@keyframes pulseGreen {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.6); }
  70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.model-card-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--home-text);
  margin-bottom: 8px;
}

.model-card-desc {
  font-size: 13px;
  color: var(--home-muted);
  line-height: 1.5;
  margin-bottom: 16px;
  flex: 1;
}

.model-card-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}

.model-chip {
  padding: 3px 8px;
  border-radius: 5px;
  background: rgba(0, 0, 0, 0.04);
  font-size: 12px;
  font-family: ui-monospace, monospace;
  color: var(--home-text);
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.dark .model-chip,
[data-theme="dark"] .model-chip {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.08);
}

.model-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
  font-size: 12px;
  color: var(--home-muted);
}

.dark .model-card-footer,
[data-theme="dark"] .model-card-footer {
  border-color: rgba(255, 255, 255, 0.08);
}

.model-rate-highlight {
  font-weight: 700;
  color: #6366f1;
}

.showcase-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.btn-plaza {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 10px;
  background: #6366f1;
  color: #ffffff;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
  transition: all 0.2s;
}

.btn-plaza:hover {
  background: #4f46e5;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.45);
}

.btn-keys {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 10px;
  background: transparent;
  color: var(--home-text);
  border: 1px solid rgba(0, 0, 0, 0.15);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
}

.dark .btn-keys,
[data-theme="dark"] .btn-keys {
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-keys:hover {
  background: rgba(0, 0, 0, 0.05);
  transform: translateY(-2px);
}

/* ==========================================================================
   Top Header Navigation & Language Switcher Styles
   ========================================================================== */

.site-navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  height: 64px;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  display: flex;
  align-items: center;
  transition: background 0.3s, border-color 0.3s;
}

.dark .site-navbar,
[data-theme="dark"] .site-navbar {
  background: rgba(13, 17, 23, 0.85);
  border-color: rgba(255, 255, 255, 0.08);
}

.navbar-inner {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--home-text);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.02em;
}

.navbar-brand svg {
  display: block;
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: 28px;
}

@media (max-width: 768px) {
  .navbar-menu {
    display: none;
  }
}

.navbar-link {
  color: var(--home-muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
}

.navbar-link:hover {
  color: #6366f1;
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Language Switcher Button */
.lang-switcher-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.04);
  color: var(--home-text);
  border: 1px solid rgba(0, 0, 0, 0.08);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
}

.dark .lang-switcher-btn,
[data-theme="dark"] .lang-switcher-btn {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.12);
}

.lang-switcher-btn:hover {
  background: rgba(99, 102, 241, 0.1);
  border-color: #6366f1;
  color: #6366f1;
}

.lang-icon-globe {
  width: 15px;
  height: 15px;
  stroke: currentColor;
}

.btn-nav-console {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  border-radius: 8px;
  background: #6366f1;
  color: #ffffff;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
}

.btn-nav-console:hover {
  background: #4f46e5;
  transform: translateY(-1px);
}