/* ==========================================================================
   MergeStudio — Refined Obsidian Design System
   Modern SaaS / Creative Studio Aesthetic (Vercel / Linear / Runway inspired)
   ========================================================================== */

:root {
  --bg-root: #070709;
  --bg-surface: #0d0e12;
  --bg-elevated: #14161d;
  --bg-hover: #1b1e28;
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(255, 255, 255, 0.22);

  --text-primary: #f4f4f6;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;

  --accent-primary: #6366f1;
  --accent-primary-hover: #7577f5;
  --accent-emerald: #10b981;
  --accent-crimson: #ef4444;
  --accent-amber: #f59e0b;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-pill: 9999px;

  --sidebar-width: 375px;
}

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

body {
  font-family: var(--font-sans);
  background: var(--bg-root);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: clip;
}

/* Custom Scrollbars */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.12);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.22);
}

/* ==========================================================================
   Top Navigation Bar
   ========================================================================== */
.topbar {
  position: sticky;
  top: 0;
  height: 46px;
  background: rgba(13, 14, 18, 0.88);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 50;
  flex-shrink: 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: linear-gradient(135deg, #ffffff 0%, #a5b4fc 100%);
  color: #070709;
  display: flex;
  align-items: center;
  justify-content: center;
}

.brand-name {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.brand-tag {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  padding: 2px 6px;
  border-radius: 5px;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 14px;
}

.telemetry-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  color: var(--text-secondary);
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
}

.live-indicator {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-emerald);
  box-shadow: 0 0 8px var(--accent-emerald);
}

.telemetry-sep {
  width: 1px;
  height: 12px;
  background: var(--border-subtle);
}

.fps-readout {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-primary);
}

/* User Auth & Plan Controls */
.user-pill {
  display: flex;
  align-items: center;
}

.account-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  padding: 3px 6px 3px 4px;
  border-radius: var(--radius-pill);
}

.user-email {
  font-size: 0.78rem;
  color: var(--text-secondary);
  max-width: 130px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.plan-badge {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 2px 7px;
  border-radius: var(--radius-pill);
}

.plan-badge.free {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-secondary);
}

.plan-badge.pro {
  background: linear-gradient(135deg, #fbbf24, #d97706);
  color: #000000;
}

.btn-upgrade-chip {
  background: rgba(245, 158, 11, 0.14);
  border: 1px solid rgba(245, 158, 11, 0.35);
  color: #fbbf24;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-upgrade-chip:hover {
  background: rgba(245, 158, 11, 0.24);
}

.icon-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.15s ease, background 0.15s ease;
}

.icon-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.08);
}

/* ==========================================================================
   Main Workspace Grid
   ========================================================================== */
.workspace {
  display: flex;
  flex: 1;
  min-height: calc(100vh - 46px);
  align-items: stretch;
}

/* ==========================================================================
   Left: Studio Viewport Stage
   ========================================================================== */
.viewport-area {
  flex: 1;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: 16px 24px 28px 24px;
  min-height: calc(100vh - 46px);
  background: #070709;
}

/* Subtle atmospheric studio glow behind the viewport */
.viewport-backdrop {
  position: absolute;
  width: 760px;
  height: 760px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.08) 0%, rgba(7, 7, 9, 0) 70%);
  pointer-events: none;
  z-index: 0;
}

.phone-frame {
  position: relative;
  z-index: 1;
  width: min(100%, 660px);
  border-radius: 18px;
  background: #000000;
  padding: 2px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 24px 60px -12px rgba(0, 0, 0, 0.85), 0 0 0 1px rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
}

canvas#simCanvas {
  display: block;
  border-radius: 16px;
  width: 100%;
  height: auto;
  aspect-ratio: 9 / 16;
  cursor: pointer;
}

.start-overlay-btn {
  position: absolute;
  top: clamp(160px, 40%, 420px);
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 5;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 22px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(14, 16, 24, 0.88);
  backdrop-filter: blur(12px);
  color: #ffffff;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.75);
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.start-overlay-btn:hover {
  transform: translate(-50%, -50%) scale(1.04);
  background: #ffffff;
  color: #070709;
  border-color: #ffffff;
}

.start-overlay-btn.hidden {
  display: none;
}

/* Floating Studio Transport Dock */
.transport-dock {
  position: sticky;
  bottom: 14px;
  z-index: 15;
  margin-top: 14px;
  display: flex;
  align-items: center;
  gap: 4px;
  background: rgba(20, 22, 29, 0.92);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-subtle);
  padding: 3px 5px;
  border-radius: var(--radius-pill);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.6);
}

.dock-divider {
  width: 1px;
  height: 18px;
  background: var(--border-subtle);
  margin: 0 4px;
}

.dock-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid transparent;
  padding: 7px 13px;
  border-radius: var(--radius-pill);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.dock-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.06);
}

.dock-btn.active {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.12);
}

.dock-btn.dock-primary {
  background: #ffffff;
  color: #070709;
  font-weight: 600;
}

.dock-btn.dock-primary:hover {
  background: #e5e7eb;
}

.kbd-hint {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 600;
  background: rgba(0, 0, 0, 0.12);
  color: #070709;
  padding: 1px 5px;
  border-radius: 4px;
}

.dock-btn.dock-icon-only {
  padding: 7px 10px;
}

/* Record Button & Animation */
.dock-btn.dock-record {
  color: #f87171;
}

.dock-btn.dock-record:hover {
  background: rgba(239, 68, 68, 0.12);
  color: #fca5a5;
}

.rec-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-crimson);
  display: inline-block;
}

.dock-btn.dock-record.recording {
  background: rgba(239, 68, 68, 0.18);
  border-color: rgba(239, 68, 68, 0.45);
  color: #fecaca;
}

.dock-btn.dock-record.recording .rec-dot {
  animation: pulseRec 1s ease-in-out infinite;
}

@keyframes pulseRec {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.35; transform: scale(0.8); }
}

/* ==========================================================================
   Right: Inspector Sidebar
   ========================================================================== */
.inspector {
  width: var(--sidebar-width);
  background: var(--bg-surface);
  border-left: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  min-height: calc(100vh - 46px);
  flex-shrink: 0;
}

/* Presets Section */
.presets-block {
  padding: 16px 18px 14px 18px;
  border-bottom: 1px solid var(--border-subtle);
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.section-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
}

.header-actions {
  display: flex;
  gap: 6px;
}

.btn-subtle {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
}

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

.presets-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.preset-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  cursor: pointer;
  text-align: left;
  transition: all 0.15s ease;
}

.preset-card:hover {
  background: var(--bg-hover);
  border-color: rgba(255, 255, 255, 0.16);
}

.preset-card.active {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.35);
}

.preset-glyph {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.preset-card.active .preset-glyph {
  background: #ffffff;
  color: #070709;
  border-color: #ffffff;
}

.preset-meta {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.preset-name {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.preset-tag {
  font-size: 0.68rem;
  color: var(--text-muted);
}

/* Segmented Tabs (macOS / Linear style) */
.segmented-tabs {
  padding: 12px 18px 8px 18px;
}

.tabs-track {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  padding: 3px;
  border-radius: var(--radius-md);
}

.tab-btn {
  padding: 7px 12px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 500;
  border-radius: 7px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.tab-btn:hover {
  color: var(--text-primary);
}

.tab-btn.active {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  font-weight: 600;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

/* Scrollable Inspector Area (Flows naturally with full page scroll) */
.inspector-scroll {
  flex: 1;
  padding: 10px 18px 20px 18px;
}

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
}

/* Guest Callout Banner */
.guest-callout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin: 12px 18px 0 18px;
  padding: 9px 12px;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.28);
  border-radius: var(--radius-md);
}

.guest-callout-text {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  color: #c7d2fe;
  line-height: 1.3;
}

.btn-xs-pad {
  font-size: 0.72rem;
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

/* Pro Callout Banner */
.pro-callout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.25);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
}

.pro-callout-text {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.76rem;
  color: #fcd34d;
  line-height: 1.3;
}

.btn-pro-xs {
  background: #f59e0b;
  color: #070709;
  border: none;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  flex-shrink: 0;
}

.btn-pro-xs:hover {
  background: #fbbf24;
}

/* Control Cards & Sliders */
.card-group {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 14px 16px;
  margin-bottom: 14px;
}

.card-title {
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 14px;
}

.slider-field {
  margin-bottom: 14px;
}

.slider-field:last-child {
  margin-bottom: 0;
}

.slider-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.mono-val {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.05);
  padding: 2px 6px;
  border-radius: 4px;
}

.field-hint {
  display: block;
  font-size: 0.71rem;
  color: var(--text-muted);
  margin-top: 5px;
  line-height: 1.35;
}

/* Precision Range Sliders */
input[type="range"] {
  -webkit-appearance: none;
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 2px;
  outline: none;
  display: block;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #ffffff;
  border: 2px solid #070709;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.4), 0 2px 5px rgba(0, 0, 0, 0.5);
  cursor: pointer;
  transition: transform 0.12s ease;
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

/* Switch Toggle */
.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 8px;
  border-top: 1px solid var(--border-subtle);
}

.toggle-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.toggle-title {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-primary);
}

.toggle-desc {
  font-size: 0.71rem;
  color: var(--text-muted);
  line-height: 1.3;
}

.switch {
  position: relative;
  display: inline-block;
  width: 36px;
  height: 20px;
  flex-shrink: 0;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider-toggle {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background-color: rgba(255, 255, 255, 0.15);
  transition: 0.2s;
  border-radius: 20px;
}

.slider-toggle:before {
  position: absolute;
  content: "";
  height: 14px;
  width: 14px;
  left: 3px;
  bottom: 3px;
  background-color: #ffffff;
  transition: 0.2s;
  border-radius: 50%;
}

input:checked + .slider-toggle {
  background-color: var(--accent-primary);
}

input:checked + .slider-toggle:before {
  transform: translateX(16px);
}

/* ==========================================================================
   Minimal Tier Selector Strip + Focused Editor
   ========================================================================== */
.tiers-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.tier-selector-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 6px;
}

.tier-pill-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 6px 4px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.15s ease;
  position: relative;
}

.tier-pill-btn:hover {
  background: var(--bg-hover);
  border-color: rgba(255, 255, 255, 0.2);
}

.tier-pill-btn.active {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.7);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.15);
}

.tier-pill-thumb {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  object-fit: contain;
  background: rgba(0, 0, 0, 0.35);
}

.tier-pill-dot {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.68rem;
  font-weight: 700;
  color: #ffffff;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

.tier-pill-num {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--text-muted);
}

.tier-pill-btn.active .tier-pill-num {
  color: var(--text-primary);
}

.tier-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 14px;
  transition: border-color 0.15s ease;
}

.tier-header-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.tier-step-btns {
  display: flex;
  gap: 3px;
}

.tier-step-btn {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s ease;
}

.tier-step-btn:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.12);
  color: var(--text-primary);
}

.tier-step-btn:disabled {
  opacity: 0.35;
  cursor: default;
}

.tier-media-meta {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
}

.tier-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.tier-label-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.tier-swatch {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.tier-name {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-primary);
}

.tier-radius-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
}

.tier-body {
  display: flex;
  align-items: center;
  gap: 12px;
}

.tier-preview-box {
  width: 50px;
  height: 50px;
  border-radius: 10px;
  background: #0a0b0e;
  border: 1px dashed rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  cursor: pointer;
  flex-shrink: 0;
  transition: border-color 0.15s ease;
}

.tier-preview-box:hover {
  border-color: rgba(255, 255, 255, 0.35);
}

.tier-img-preview {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.tier-actions {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.tier-btn-row {
  display: flex;
  gap: 6px;
}

.btn-tier-act {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 5px 8px;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-tier-act:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.18);
}

.tier-size-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.size-lbl {
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Advanced Physics Accordion Dropdown (Cleanly Integrated)
   ========================================================================== */
.advanced-accordion {
  margin-top: 14px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.accordion-trigger {
  padding: 13px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
  list-style: none;
  transition: background 0.15s ease;
}

.accordion-trigger::-webkit-details-marker {
  display: none;
}

.accordion-trigger:hover {
  background: rgba(255, 255, 255, 0.03);
}

.accordion-title-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-primary);
}

.pro-badge {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  background: rgba(245, 158, 11, 0.16);
  border: 1px solid rgba(245, 158, 11, 0.35);
  color: #fbbf24;
  padding: 2px 6px;
  border-radius: 4px;
}

.chevron {
  color: var(--text-muted);
  transition: transform 0.2s ease;
}

.advanced-accordion[open] .chevron {
  transform: rotate(180deg);
}

.accordion-body {
  padding: 0 12px 12px 12px;
  border-top: 1px solid var(--border-subtle);
  padding-top: 12px;
}

/* ==========================================================================
   Sticky Footer & Reusable Buttons
   ========================================================================== */
.inspector-footer {
  position: sticky;
  bottom: 0;
  z-index: 20;
  padding: 14px 18px;
  background: rgba(13, 14, 18, 0.94);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 9px 16px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.15s ease;
  border: 1px solid transparent;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.78rem;
}

.btn-full {
  flex: 1;
}

.btn-primary {
  background: #ffffff;
  color: #070709;
}

.btn-primary:hover {
  background: #e5e7eb;
}

.btn-secondary {
  background: var(--bg-elevated);
  border-color: var(--border-subtle);
  color: var(--text-secondary);
}

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

.btn-ghost {
  background: transparent;
  border-color: var(--border-subtle);
  color: var(--text-primary);
}

.btn-ghost:hover {
  background: var(--bg-elevated);
}

/* ==========================================================================
   Modals (Auth & Upgrade)
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
}

.modal-overlay.open {
  display: flex;
}

.modal-dialog {
  width: 100%;
  max-width: 390px;
  background: var(--bg-surface);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.75);
  overflow: hidden;
  animation: modalIn 0.18s ease-out;
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.96) translateY(6px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-head {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-head h3 {
  font-size: 0.95rem;
  font-weight: 600;
}

.pro-title-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.modal-x {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1rem;
  cursor: pointer;
  padding: 4px;
  line-height: 1;
}

.modal-x:hover {
  color: var(--text-primary);
}

.modal-content {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.modal-sub {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.input-group label {
  font-size: 0.76rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.input-group input {
  background: var(--bg-root);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  outline: none;
  transition: border-color 0.15s ease;
}

.input-group input:focus {
  border-color: var(--accent-primary);
}

.error-msg {
  font-size: 0.76rem;
  color: #f87171;
  min-height: 14px;
}

.pro-checklist {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 4px 0;
}

.pro-checklist li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.82rem;
  color: var(--text-primary);
}

.pro-checklist svg {
  color: var(--accent-amber);
  flex-shrink: 0;
}

.btn-pro-cta {
  background: linear-gradient(135deg, #fbbf24, #d97706);
  color: #070709;
  font-weight: 700;
  padding: 11px;
  width: 100%;
  border-radius: var(--radius-md);
}

.btn-pro-cta:hover {
  filter: brightness(1.08);
}

/* Replay Preview Modal */
.replay-dialog {
  max-width: 380px;
}

.replay-video-wrap {
  background: #000000;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  max-height: 58vh;
}

.replay-video {
  width: 100%;
  max-height: 58vh;
  aspect-ratio: 9 / 16;
  object-fit: contain;
  display: block;
}

/* ==========================================================================
   Floating Toast
   ========================================================================== */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--bg-elevated);
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: var(--text-primary);
  padding: 9px 18px;
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  font-weight: 500;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.6);
  pointer-events: none;
  opacity: 0;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 2000;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* Responsive */
@media (max-width: 960px) {
  .workspace {
    flex-direction: column;
    min-height: auto;
  }
  .viewport-area {
    position: static;
    height: auto;
    min-height: auto;
  }
  .inspector {
    width: 100%;
    min-height: auto;
    border-left: none;
    border-top: 1px solid var(--border-subtle);
  }
}