/* VideoForge Layout — Exact Match to Professional Desktop Studio & Mobile */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  width: 100vw;
  height: 100vh;
  background-color: var(--bg-app);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.4;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow: hidden;
  user-select: none;
}

/* Master 100vh Shell */
.app-shell {
  display: flex;
  flex-direction: column;
  height: 100vh;
  width: 100vw;
  overflow: hidden;
  background-color: var(--bg-app);
}

/* 1. Top Navbar / Titlebar (Exact Match) */
.top-navbar {
  height: 52px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  background-color: var(--bg-sidebar);
  border-bottom: 1px solid var(--border-subtle);
  z-index: 10;
}

.top-navbar-left {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 220px;
}

.brand-logo-icon {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  filter: drop-shadow(0 0 8px rgba(139, 92, 246, 0.45));
}

.brand-logo-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: var(--radius-sm);
}

.brand-title {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #ffffff;
}

.brand-pro-pill {
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 2px 7px;
  border-radius: var(--radius-full);
  background: rgba(139, 92, 246, 0.2);
  color: #c084fc;
  border: 1px solid rgba(139, 92, 246, 0.4);
}

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

.top-icon-btn {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: none;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.top-icon-btn:hover {
  color: #ffffff;
  background: var(--bg-card-elevated);
}

/* 2. Master 3-Column Body Workspace */
.main-workspace-body {
  flex: 1;
  min-height: 0;
  display: flex;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  overflow-x: hidden;
  overflow-y: hidden;
}

/* Left Sidebar (230px) */
.sidebar-left {
  width: 230px;
  flex-shrink: 0;
  background-color: var(--bg-sidebar);
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  padding: 12px 10px;
  gap: 12px;
  overflow-y: auto;
}

.sidebar-left::-webkit-scrollbar {
  width: 4px;
}

.sidebar-left::-webkit-scrollbar-thumb {
  background: var(--border-medium);
  border-radius: var(--radius-full);
}

/* Add Files Button */
.btn-add-files-split {
  display: flex;
  width: 100%;
  min-height: 40px;
  flex-shrink: 0;
  border-radius: var(--radius-md);
  background: var(--grad-primary);
  box-shadow: var(--shadow-purple-btn);
  overflow: hidden;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-add-files-split:hover {
  background: var(--grad-primary-hover);
  transform: translateY(-1px);
}

.btn-add-files-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 12px;
  font-size: 13px;
  font-weight: 700;
  color: #ffffff;
  background: transparent;
  border: none;
  cursor: pointer;
}

.btn-add-files-arrow {
  padding: 9px 10px;
  border-left: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  background: transparent;
  border-top: none;
  border-right: none;
  border-bottom: none;
  cursor: pointer;
}

/* Sidebar Navigation Items */
.sidebar-nav-list {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.sidebar-nav-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 12px;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  background: transparent;
  border: 1px solid transparent;
}

.sidebar-nav-item:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.04);
}

.sidebar-nav-item.active {
  color: #ffffff;
  background: var(--bg-card-elevated);
  border: 1px solid rgba(99, 102, 241, 0.35);
}

.sidebar-nav-left-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar-count-badge {
  font-size: 10px;
  font-weight: 800;
  padding: 1px 6px;
  border-radius: var(--radius-full);
  background: var(--accent-primary);
  color: #ffffff;
}

/* Privacy Shield Box */
.sidebar-privacy-card {
  flex-shrink: 0;
  background: rgba(16, 185, 129, 0.05);
  border: 1px solid rgba(16, 185, 129, 0.2);
  border-radius: var(--radius-md);
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.sidebar-privacy-header {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11.5px;
  font-weight: 700;
  color: var(--accent-emerald);
}

.sidebar-privacy-desc {
  font-size: 10.5px;
  color: var(--text-muted);
  line-height: 1.3;
}

/* Quick Presets Section */
.sidebar-section-title {
  flex-shrink: 0;
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 4px;
  padding: 0 4px;
}

.quick-preset-list {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.quick-preset-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  font-size: 11.5px;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.quick-preset-item:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.04);
}

.quick-preset-item.active {
  color: #c084fc;
  font-weight: 600;
  background: rgba(139, 92, 246, 0.1);
}

/* Bottom Hardware Acceleration Widget */
.sidebar-hardware-widget {
  flex-shrink: 0;
  margin-top: auto;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 9px 12px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.hardware-widget-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.hardware-widget-title {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 700;
  color: #ffffff;
}

.hardware-toggle-badge {
  font-size: 9.5px;
  font-weight: 800;
  text-transform: uppercase;
  padding: 1px 6px;
  border-radius: var(--radius-full);
  background: rgba(16, 185, 129, 0.2);
  color: var(--accent-emerald);
  border: 1px solid rgba(16, 185, 129, 0.4);
}

.hardware-widget-sub {
  font-size: 10px;
  color: var(--text-muted);
}

/* Center Stage View (Flex 1) */
.center-stage-container {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  padding: 16px 20px;
  gap: 12px;
  overflow-y: auto;
  background-color: var(--bg-app);
}

.center-stage-container::-webkit-scrollbar {
  width: 5px;
}

.center-stage-container::-webkit-scrollbar-thumb {
  background: var(--border-medium);
  border-radius: var(--radius-full);
}

/* Right Control Deck (390px) */
.right-control-deck {
  width: 390px;
  flex-shrink: 0;
  background-color: var(--bg-sidebar);
  border-left: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  padding: 16px;
  gap: 12px;
  overflow-y: auto;
}

.right-control-deck::-webkit-scrollbar {
  width: 5px;
}

.right-control-deck::-webkit-scrollbar-thumb {
  background: var(--border-medium);
  border-radius: var(--radius-full);
}

/* 3. Bottom Status Footer */
.app-status-bar {
  height: 32px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  background-color: var(--bg-sidebar);
  border-top: 1px solid var(--border-subtle);
  font-size: 11px;
  color: var(--text-muted);
}

.status-bar-left {
  display: flex;
  align-items: center;
  gap: 8px;
}

.status-engine-pill {
  font-size: 10px;
  font-weight: 600;
  padding: 1px 7px;
  border-radius: var(--radius-full);
  background: var(--bg-card);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
}

.status-bar-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.status-link {
  color: var(--text-muted);
  text-decoration: none;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.status-link:hover {
  color: #ffffff;
}

/* Mobile Responsive Breakpoints (Always Visible Settings Deck) */
@media (max-width: 1080px) {
  html, body {
    height: auto !important;
    overflow-x: hidden !important;
    overflow-y: auto !important;
  }

  .app-shell {
    height: auto !important;
    min-height: 100vh;
    overflow: visible !important;
  }

  .sidebar-left {
    display: none !important;
  }

  .main-workspace-body {
    flex: none !important;
    flex-direction: column !important;
    height: auto !important;
    min-height: auto !important;
    overflow: visible !important;
  }

  .center-stage-container {
    flex: none !important;
    width: 100% !important;
    height: auto !important;
    min-height: auto !important;
    overflow: visible !important;
    padding: 12px 10px !important;
    gap: 10px;
    display: flex !important;
  }

  .right-control-deck {
    flex: none !important;
    width: 100% !important;
    height: auto !important;
    min-height: auto !important;
    overflow: visible !important;
    border-left: none !important;
    border-top: 1px solid var(--border-subtle) !important;
    padding: 14px 12px !important;
    display: flex !important; /* Output Settings Always Visible */
  }

  .right-control-deck .btn-start-processing-master {
    display: flex !important;
  }

  /* Mobile Compact Cards */
  .studio-card, .output-hero-card, .single-queue-card {
    padding: 10px 12px !important;
    gap: 8px !important;
  }

  .hero-size-val {
    font-size: 20px !important;
  }

  .source-chips-row {
    gap: 4px !important;
  }

  .source-spec-pill {
    padding: 3px 7px !important;
    font-size: 10.5px !important;
  }

  .deck-preset-grid {
    grid-template-columns: 1fr 1fr !important;
    gap: 6px !important;
  }

  .preset-tile {
    padding: 6px 8px !important;
  }

  .preset-tile-name {
    font-size: 11.5px !important;
  }

  .preset-tile-desc {
    font-size: 9.5px !important;
  }

  .dropzone {
    min-height: 240px !important;
    padding: 30px 14px !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .stage-video-canvas {
    min-height: 200px !important;
    aspect-ratio: 16 / 9 !important;
    width: 100% !important;
    max-height: 440px !important;
  }
}

@media (max-width: 640px) {
  .top-navbar {
    padding: 0 12px;
    height: 42px;
  }
  .app-status-bar {
    display: none;
  }
  .center-stage-container {
    padding: 10px 8px !important;
    gap: 8px;
  }

  /* Single Queue Mobile Optimizations */
  .single-queue-card {
    padding: 10px 10px !important;
    gap: 8px !important;
  }
  .single-queue-header {
    gap: 4px;
  }
  .single-queue-header-left {
    font-size: 11.5px !important;
  }
  .single-queue-header-actions .btn {
    padding: 3px 6px !important;
    font-size: 10px !important;
    gap: 3px !important;
  }
  .single-queue-thumb {
    width: 42px !important;
    height: 28px !important;
  }
  .single-queue-title {
    font-size: 11.5px !important;
  }
  .single-queue-specs {
    font-size: 9.5px !important;
  }
  .single-queue-status-text {
    font-size: 11px !important;
  }
  .single-queue-timer {
    font-size: 10px !important;
  }

  /* Batch Queue Mobile Optimizations */
  .batch-view-wrapper {
    width: 100% !important;
    max-width: 100% !important;
    overflow-x: hidden !important;
    box-sizing: border-box !important;
  }
  .batch-summary-grid {
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 6px !important;
  }
  .batch-metric-card {
    padding: 6px 4px !important;
  }
  .batch-metric-val {
    font-size: 13px !important;
  }
  .batch-metric-label {
    font-size: 8.5px !important;
  }
  .batch-cards-container {
    gap: 8px !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .batch-card-row {
    padding: 10px 10px !important;
    gap: 8px !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .batch-card-top {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    gap: 6px !important;
    width: 100% !important;
  }
  .batch-card-file-group {
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
    flex: 1 !important;
    min-width: 0 !important;
  }
  .batch-thumb-wrap {
    width: 42px !important;
    height: 28px !important;
    flex-shrink: 0 !important;
  }
  .batch-file-details {
    min-width: 0 !important;
    flex: 1 !important;
  }
  .batch-file-title {
    font-size: 11.5px !important;
    max-width: 100% !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
  }
  .batch-file-sub {
    font-size: 9.5px !important;
  }
  .batch-card-action {
    flex-shrink: 0 !important;
  }
  .batch-card-action .btn-batch-dl {
    padding: 3px 7px !important;
    font-size: 10px !important;
    gap: 3px !important;
  }
  .batch-card-action .btn-batch-del {
    width: 24px !important;
    height: 24px !important;
  }
  .batch-card-mid {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    gap: 4px !important;
    width: 100% !important;
    flex-wrap: wrap !important;
  }
  .batch-settings-tags {
    display: flex !important;
    align-items: center !important;
    gap: 4px !important;
    flex-wrap: wrap !important;
    min-width: 0 !important;
  }
  .batch-format-badge {
    font-size: 10px !important;
  }
  .batch-res-badge {
    font-size: 9px !important;
  }
  .batch-preset-badge {
    font-size: 8.5px !important;
    padding: 1px 4px !important;
  }
  .batch-status-pill {
    font-size: 9px !important;
    padding: 1px 5px !important;
  }
  .batch-card-bottom {
    width: 100% !important;
  }
  .batch-progress-labels {
    font-size: 9.5px !important;
    gap: 6px !important;
  }
  .batch-stage-val {
    font-size: 9px !important;
    max-width: 120px !important;
  }

  .dropzone-icon-box {
    width: 52px;
    height: 52px;
    margin-bottom: 10px;
  }
  .dropzone-icon-box svg {
    width: 24px;
    height: 24px;
  }
  .dropzone-title {
    font-size: 14.5px;
  }
  .dropzone-hint {
    font-size: 11px;
    margin-bottom: 12px;
  }
  .stage-playback-overlay {
    height: 40px;
    padding: 0 8px;
    gap: 5px;
  }
  .right-control-deck {
    padding: 10px 8px !important;
  }
}

/* Low-Height Screen Optimization (e.g. 1366x768 Laptops) */
@media (max-height: 800px) {
  .top-navbar {
    height: 38px;
    padding: 0 12px;
  }
  .sidebar-left {
    padding: 8px 8px;
    gap: 8px;
  }
  .btn-add-files-split {
    min-height: 36px;
  }
  .btn-add-files-main {
    padding: 7px 10px;
    font-size: 12px;
  }
  .sidebar-nav-item {
    padding: 6px 8px;
    font-size: 12px;
  }
  .quick-preset-item {
    padding: 4px 8px;
    font-size: 11px;
  }
  .center-stage-container {
    padding: 10px 14px;
    gap: 8px;
  }
  .right-control-deck {
    padding: 10px 12px;
    gap: 8px;
  }
  .app-status-bar {
    height: 26px;
    padding: 0 12px;
    font-size: 10.5px;
  }
}