/* ==========================================================================
   NEXGEN SLIDE STUDIO — DESIGN SYSTEM
   Theme: Remotion-Inspired Professional Dark
   Zero glassmorphism. Zero blue. Warm coral accent. Flat surfaces.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;

  /* Canvas Typography (matches PPTX Aptos) */
  --font-canvas: 'Aptos', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Surfaces */
  --bg-root: #0B0D11;
  --bg-panel: #141618;
  --bg-surface: #1C1E22;
  --bg-elevated: #232528;

  /* Borders */
  --border-default: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(255, 255, 255, 0.12);
  --border-active: rgba(255, 255, 255, 0.18);

  /* Accent — warm coral, NOT blue */
  --accent: #FF6A3D;
  --accent-hover: #FF8A65;
  --accent-muted: rgba(255, 106, 61, 0.12);
  --accent-border: rgba(255, 106, 61, 0.3);

  /* Semantic */
  --success: #34D399;
  --danger: #F87171;

  /* Text */
  --text-primary: #EDEDED;
  --text-secondary: #888888;
  --text-tertiary: #555555;

  /* Canvas Tokens (for SVG slide rendering — unchanged) */
  --c-navy: #13233D;
  --c-white: #FFFFFF;
  --c-canvas: #F4F6F9;
  --c-t1: #101D30;
  --c-t2: #2D3F55;
  --c-t3: #5E7794;
  --c-blue: #2D3B4E;
  --c-amber: #D97706;
  --c-teal: #008C95;
  --c-rose: #D9468D;
  --c-red: #DC2626;
  --c-purple: #6366F1;
}

/* RESET */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

/* ==========================================================================
   TOP NAVBAR
   ========================================================================== */
.app-navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 24px;
  height: 56px;
  background: #111315;
  border-bottom: 1px solid var(--border-default);
  position: sticky;
  top: 0;
  z-index: 100;
  gap: 16px;
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.brand-icon {
  width: 32px;
  height: 32px;
  background: var(--accent);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1rem;
  color: #fff;
}

.brand-title {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.3px;
}

.brand-tagline {
  font-size: 0.68rem;
  font-family: var(--font-mono);
  color: var(--text-tertiary);
  letter-spacing: 0.2px;
}

/* TEMPLATE SELECTOR */
.template-selector-wrapper {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-surface);
  padding: 6px 14px;
  border-radius: 6px;
  border: 1px solid var(--border-default);
  flex-shrink: 0;
}

.template-label {
  font-size: 0.68rem;
  font-weight: 600;
  font-family: var(--font-mono);
  color: var(--text-tertiary);
  letter-spacing: 0.4px;
  text-transform: uppercase;
}

.template-select {
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  outline: none;
}

.template-select option {
  background: var(--bg-panel);
  color: var(--text-primary);
}

/* NAV ACTIONS */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.conn-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border-radius: 4px;
  font-size: 0.7rem;
  font-family: var(--font-mono);
  font-weight: 500;
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  color: var(--text-secondary);
}

.conn-badge.online {
  border-color: rgba(52, 211, 153, 0.2);
  color: var(--success);
}

.conn-badge.cloud {
  border-color: var(--border-default);
  color: var(--text-secondary);
}

.status-indicator {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-tertiary);
}

.status-indicator.online {
  background: var(--success);
}

.status-indicator.cloud {
  background: var(--text-tertiary);
}

/* ==========================================================================
   BUTTONS — flat, no gradients, no glow
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: 6px;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
  border: 1px solid transparent;
  white-space: nowrap;
  outline: none;
}

.btn-sm {
  padding: 4px 10px;
  font-size: 0.75rem;
}

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

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

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

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

.btn-anim {
  background: var(--accent-muted);
  border-color: var(--accent-border);
  color: var(--accent);
}

.btn-anim:hover {
  background: rgba(255, 106, 61, 0.2);
  color: var(--accent-hover);
}

/* ==========================================================================
   DROPDOWN POPOVER
   ========================================================================== */
.dropdown-menu-wrapper {
  position: relative;
}

.dropdown-popover {
  position: absolute;
  top: calc(100% + 4px);
  right: 0;
  background: var(--bg-elevated);
  border: 1px solid var(--border-hover);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
  padding: 4px;
  display: none;
  flex-direction: column;
  min-width: 200px;
  z-index: 200;
}

.dropdown-popover.show {
  display: flex;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 400;
  cursor: pointer;
  border-radius: 4px;
  text-align: left;
  transition: background 0.1s ease, color 0.1s ease;
}

.dropdown-item:hover {
  background: var(--bg-surface);
  color: var(--text-primary);
}

.dropdown-item.text-danger:hover {
  background: rgba(248, 113, 113, 0.1);
  color: var(--danger);
}

.dropdown-divider {
  height: 1px;
  background: var(--border-default);
  margin: 4px 0;
}

/* ==========================================================================
   WORKSPACE LAYOUT
   ========================================================================== */
.studio-layout {
  display: grid;
  grid-template-columns: 400px 1fr;
  height: calc(100vh - 56px);
  overflow: hidden;
}

/* ==========================================================================
   LEFT CONTROLS SIDEBAR
   ========================================================================== */
.controls-sidebar {
  background: var(--bg-panel);
  border-right: 1px solid var(--border-default);
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}

.sidebar-tabs {
  display: flex;
  border-bottom: 1px solid var(--border-default);
  background: var(--bg-panel);
}

.tab-btn {
  flex: 1;
  padding: 11px 10px;
  background: transparent;
  border: none;
  color: var(--text-tertiary);
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 500;
  cursor: pointer;
  transition: color 0.15s ease;
  border-bottom: 2px solid transparent;
}

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

.tab-btn.active {
  color: var(--text-primary);
  border-bottom-color: var(--accent);
}

.sidebar-content {
  flex: 1;
  overflow-y: auto;
  padding: 16px 18px;
}

.sidebar-content::-webkit-scrollbar {
  width: 4px;
}
.sidebar-content::-webkit-scrollbar-track {
  background: transparent;
}
.sidebar-content::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.08);
  border-radius: 2px;
}
.sidebar-content::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.15);
}

.tab-content { display: none; }
.tab-content.active { display: block; }

/* FORM ELEMENTS */
.form-group-block { margin-bottom: 20px; }

.form-group-title {
  font-size: 0.7rem;
  font-weight: 600;
  font-family: var(--font-mono);
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-default);
}

.input-group { margin-bottom: 10px; }
.input-group label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-tertiary);
  margin-bottom: 4px;
  font-weight: 400;
}

.input-dark {
  width: 100%;
  padding: 8px 10px;
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: 4px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.82rem;
  transition: border-color 0.15s ease;
}

.input-dark:focus {
  outline: none;
  border-color: var(--accent);
}

textarea.input-dark {
  resize: vertical;
  line-height: 1.5;
}

/* NODE EDIT CARDS */
.node-edit-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: 6px;
  padding: 12px;
  margin-bottom: 10px;
  transition: border-color 0.15s ease;
}

.node-edit-card.highlighted {
  border-color: var(--accent);
}

.node-card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.node-card-title {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-primary);
}

.btn-emote-trigger {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 8px;
  border-radius: 3px;
  background: var(--accent-muted);
  border: 1px solid var(--accent-border);
  color: var(--accent);
  font-size: 0.7rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.1s ease;
}

.btn-emote-trigger:hover {
  background: rgba(255, 106, 61, 0.2);
}

/* ==========================================================================
   RIGHT VIEWPORT & CANVAS
   ========================================================================== */
.canvas-viewport {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  background: var(--bg-root);
}

.canvas-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 16px;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border-default);
  flex-shrink: 0;
}

.canvas-toolbar-left {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.78rem;
}

.ratio-badge {
  background: var(--bg-surface);
  color: var(--text-secondary);
  padding: 2px 7px;
  border-radius: 3px;
  font-weight: 600;
  font-size: 0.68rem;
  font-family: var(--font-mono);
  letter-spacing: 0.3px;
  border: 1px solid var(--border-default);
}

.template-active-badge {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.75rem;
}

.canvas-dimensions-hint {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  color: var(--text-tertiary);
}

.canvas-toolbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.anim-control-group {
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--bg-surface);
  padding: 2px 4px;
  border-radius: 4px;
  border: 1px solid var(--border-default);
}

.phase-badge {
  font-size: 0.68rem;
  font-family: var(--font-mono);
  color: var(--text-tertiary);
  padding: 0 6px;
  font-weight: 500;
}

/* ==========================================================================
   16:9 SLIDE CANVAS — mathematical precision preserved
   ========================================================================== */
.canvas-stage {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px 24px;
  overflow: hidden;
  position: relative;
}

.slide-canvas {
  width: min(100%, calc((100vh - 120px) * 1333 / 750));
  height: auto;
  aspect-ratio: 1333 / 750;
  max-width: 100%;
  max-height: calc(100vh - 120px);
  position: relative;
  border-radius: 4px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  user-select: none;
}

.master-blueprint-svg {
  width: 100%;
  height: 100%;
  display: block;
}

/* INTERACTIVE CARD STYLING ON SVG */
.interactive-card {
  cursor: pointer;
  transition: filter 0.15s ease;
}

.interactive-card:hover {
  filter: brightness(1.03);
}

.interactive-card.card-selected rect:first-of-type {
  stroke: var(--accent) !important;
  stroke-width: 2px !important;
}

/* ==========================================================================
   SPEC CARDS
   ========================================================================== */
.spec-card {
  background: var(--bg-surface);
  padding: 12px 14px;
  border-radius: 4px;
  border: 1px solid var(--border-default);
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

.spec-card strong {
  color: var(--text-primary) !important;
  display: block;
  margin-bottom: 4px;
  font-size: 0.78rem;
}

.spec-card code {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  background: var(--bg-elevated);
  padding: 1px 5px;
  border-radius: 3px;
  color: var(--accent);
}

/* ==========================================================================
   EMOTE PICKER & SIDEBAR GRIDS
   ========================================================================== */
.emote-sidebar-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.emote-picker-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  max-height: 420px;
  overflow-y: auto;
  padding: 2px;
}

.emote-pick-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: 6px;
  padding: 10px 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  transition: border-color 0.1s ease, background 0.1s ease;
}

.emote-pick-card:hover {
  background: var(--bg-elevated);
  border-color: var(--border-active);
}

.emote-pick-img {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.emote-pick-name {
  font-size: 0.68rem;
  color: var(--text-tertiary);
  text-align: center;
  font-weight: 400;
  line-height: 1.2;
}

/* ==========================================================================
   MODAL OVERLAY
   ========================================================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.7);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

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

.modal-box {
  background: var(--bg-elevated);
  border: 1px solid var(--border-hover);
  border-radius: 8px;
  width: 560px;
  max-width: 90vw;
  padding: 20px;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.6);
}

.modal-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

.modal-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.modal-filter-row {
  margin-bottom: 12px;
}

.btn-close {
  background: transparent;
  border: none;
  font-size: 1.4rem;
  color: var(--text-tertiary);
  cursor: pointer;
  line-height: 1;
  transition: color 0.1s ease;
}

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

/* ==========================================================================
   TOAST NOTIFICATION
   ========================================================================== */
.toast-notification {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-hover);
  padding: 10px 16px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.82rem;
  font-weight: 400;
  color: var(--text-primary);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 2000;
}

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

.toast-icon {
  width: 18px;
  height: 18px;
  background: var(--success);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 0.7rem;
}

.spinner {
  width: 12px;
  height: 12px;
  border: 2px solid rgba(255, 255, 255, 0.15);
  border-top-color: var(--text-primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}

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


/* ==========================================================================
   v5.0 ENHANCEMENTS: PALETTE SWATCHES, CATEGORY CHIPS, ASSET BADGES
   ========================================================================== */
.palette-swatches {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 6px;
  padding: 4px 8px;
  background: var(--bg-surface);
  border-radius: 4px;
  width: fit-content;
  border: 1px solid var(--border-default);
}

.swatch-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
  transition: transform 0.15s ease;
}

.swatch-dot:hover {
  transform: scale(1.25);
}

/* Category Filter Chips in Sidebar */
.category-filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-bottom: 10px;
}

.filter-chip {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  color: var(--text-secondary);
  font-size: 0.70rem;
  padding: 3px 8px;
  border-radius: 4px;
  cursor: pointer;
  font-family: var(--font-sans);
  transition: all 0.15s ease;
}

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

.filter-chip.active {
  background: var(--accent-muted);
  border-color: var(--accent-border);
  color: var(--accent);
  font-weight: 600;
}

/* Modal Filter Tabs */
.modal-filter-tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 12px;
}

.modal-tab-btn {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  color: var(--text-secondary);
  font-size: 0.74rem;
  padding: 5px 12px;
  border-radius: 4px;
  cursor: pointer;
  font-family: var(--font-sans);
  transition: all 0.15s ease;
}

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

.modal-tab-btn.active {
  background: var(--accent-muted);
  border-color: var(--accent-border);
  color: var(--accent);
  font-weight: 600;
}

/* Emote Card Type Badges */
.emote-pick-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 10px 4px 8px;
}

.emote-pick-type-pill {
  position: absolute;
  top: 4px;
  right: 4px;
  font-size: 0.55rem;
  font-weight: 700;
  padding: 1px 4px;
  border-radius: 3px;
  font-family: var(--font-mono);
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-tertiary);
}

.emote-pick-type-pill.animated {
  background: rgba(232, 115, 74, 0.15);
  color: var(--accent);
}

.emote-pick-type-pill.static {
  background: rgba(52, 211, 153, 0.15);
  color: #34D399;
}

.emote-pick-type-pill.vector {
  background: rgba(139, 92, 246, 0.15);
  color: #A78BFA;
}

.emote-pick-cat {
  font-size: 0.58rem;
  color: var(--text-tertiary);
  text-align: center;
}

/* Stage Info Toolbar Badges */
.stage-info {
  display: flex;
  align-items: center;
  gap: 8px;
}

.stage-info .badge-status,
.stage-info .badge-category,
.stage-info .badge-dpi {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 0.70rem;
  font-family: var(--font-mono);
  color: var(--text-secondary);
}

.stage-info .badge-category {
  color: var(--accent);
  background: var(--accent-muted);
  border-color: var(--accent-border);
  font-weight: 600;
}