/* GTT API Docs Dual-Viewer Styles */
:root {
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', Menlo, Monaco, Consolas, monospace;
  
  /* Light Theme Palette (Default) */
  --bg-primary: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #f1f5f9;
  --bg-hover: #e2e8f0;
  --border-color: rgba(0, 0, 0, 0.08);
  --border-active: rgba(99, 102, 241, 0.6);
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  
  --brand-primary: #4f46e5;
  --brand-primary-hover: #4338ca;
  --brand-gradient: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #db2777 100%);
  --brand-glow: rgba(79, 70, 229, 0.2);
  
  --badge-bg: rgba(79, 70, 229, 0.08);
  --badge-text: #4338ca;
  --badge-border: rgba(79, 70, 229, 0.2);

  --success-bg: rgba(16, 185, 129, 0.1);
  --success-text: #059669;
  --success-border: rgba(16, 185, 129, 0.25);

  --header-height: 64px;
}

[data-theme="dark"] {
  --bg-primary: #0b0f17;
  --bg-surface: #121824;
  --bg-surface-elevated: #1a2233;
  --bg-hover: #222d42;
  --border-color: rgba(255, 255, 255, 0.08);
  --border-active: rgba(99, 102, 241, 0.5);
  
  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  
  --brand-primary: #6366f1;
  --brand-primary-hover: #4f46e5;
  --brand-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
  --brand-glow: rgba(99, 102, 241, 0.25);
  
  --badge-bg: rgba(99, 102, 241, 0.15);
  --badge-text: #a5b4fc;
  --badge-border: rgba(99, 102, 241, 0.3);

  --success-bg: rgba(16, 185, 129, 0.15);
  --success-text: #34d399;
  --success-border: rgba(16, 185, 129, 0.3);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  width: 100%;
  height: 100%;
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Main Container Layout */
.app-container {
  display: flex;
  flex-direction: column;
  height: 100vh;
  width: 100vw;
}

/* Header & Navigation Bar */
.app-header {
  height: var(--header-height);
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.25rem;
  z-index: 100;
  flex-shrink: 0;
  backdrop-filter: blur(12px);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo-wrapper {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.logo-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--brand-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 1rem;
  box-shadow: 0 4px 12px var(--brand-glow);
}

.brand-info {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.brand-subtitle {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.badge {
  font-size: 0.68rem;
  font-weight: 600;
  padding: 0.15rem 0.45rem;
  border-radius: 9999px;
  background-color: var(--badge-bg);
  color: var(--badge-text);
  border: 1px solid var(--badge-border);
  letter-spacing: 0.02em;
}

.badge-live {
  background-color: var(--success-bg);
  color: var(--success-text);
  border-color: var(--success-border);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.badge-live::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: currentColor;
  box-shadow: 0 0 8px currentColor;
  animation: pulse-dot 2s infinite ease-in-out;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

/* Middle Controls: Viewer Switcher */
.header-center {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.segmented-control {
  display: flex;
  align-items: center;
  background-color: var(--bg-surface-elevated);
  padding: 0.2rem;
  border-radius: 10px;
  border: 1px solid var(--border-color);
}

.segment-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.85rem;
  border-radius: 7px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.825rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease-in-out;
  user-select: none;
}

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

.segment-btn.active {
  background: var(--brand-primary);
  color: #ffffff;
  box-shadow: 0 2px 8px var(--brand-glow);
}

.segment-btn svg {
  width: 14px;
  height: 14px;
}

/* Right Controls */
.header-right {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.action-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 0.75rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-surface-elevated);
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
  text-decoration: none;
}

.action-btn:hover {
  background-color: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--border-active);
}

.action-btn svg {
  width: 15px;
  height: 15px;
}

.icon-btn {
  padding: 0.45rem;
  width: 34px;
  height: 34px;
  justify-content: center;
}

/* Viewport Containers */
.viewports-wrapper {
  position: relative;
  flex: 1;
  width: 100%;
  height: calc(100vh - var(--header-height));
  overflow: hidden;
  background-color: var(--bg-primary);
}

.viewer-pane {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease-in-out;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-primary);
}

.viewer-pane.active {
  opacity: 1;
  pointer-events: auto;
  z-index: 10;
}

/* Scalar overrides */
#scalar-root {
  width: 100%;
  height: 100%;
  background-color: var(--bg-primary);
}

/* Loading & Fallback Overlay */
.loading-overlay {
  position: absolute;
  inset: 0;
  background-color: var(--bg-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  z-index: 50;
  transition: opacity 0.3s ease;
}

.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--border-color);
  border-top-color: var(--brand-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.75rem 1.25rem;
  border-radius: 10px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
  font-size: 0.85rem;
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* Custom Redoc Overrides */
[data-theme="dark"] .redoc-wrap {
  background-color: #0b0f17 !important;
  color: #f3f4f6 !important;
}

[data-theme="dark"] .redoc-wrap .api-content {
  background-color: #0b0f17 !important;
}

[data-theme="dark"] .redoc-wrap h1,
[data-theme="dark"] .redoc-wrap h2,
[data-theme="dark"] .redoc-wrap h3,
[data-theme="dark"] .redoc-wrap h4,
[data-theme="dark"] .redoc-wrap h5,
[data-theme="dark"] .redoc-wrap h6 {
  color: #f3f4f6 !important;
}

[data-theme="dark"] .redoc-wrap pre {
  background-color: #0b0f17 !important;
  color: #f3f4f6 !important;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

[data-theme="light"] .redoc-wrap {
  background-color: #ffffff !important;
  color: #0f172a !important;
}

[data-theme="light"] .redoc-wrap .api-content {
  background-color: #ffffff !important;
}

[data-theme="light"] .redoc-wrap h1,
[data-theme="light"] .redoc-wrap h2,
[data-theme="light"] .redoc-wrap h3,
[data-theme="light"] .redoc-wrap h4,
[data-theme="light"] .redoc-wrap h5,
[data-theme="light"] .redoc-wrap h6 {
  color: #0f172a !important;
}

[data-theme="light"] .redoc-wrap pre {
  background-color: #f1f5f9 !important;
  color: #0f172a !important;
  border: 1px solid rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .redoc-wrap code {
  color: #4f46e5;
}

[data-theme="light"] .redoc-wrap table {
  color: #0f172a;
}

[data-theme="light"] .redoc-wrap [data-section-id] {
  border-bottom-color: rgba(0, 0, 0, 0.06) !important;
}

/* Responsive adjust */
@media (max-width: 840px) {
  .brand-subtitle, .badge-endpoint-count {
    display: none;
  }
  .app-header {
    padding: 0 0.75rem;
  }
}