/* ================================================================
   ConvertFlow Pro — Convideo Editor Professional UI
   Inspired by DaVinci Resolve / Adobe Premiere / CapCut Pro
   ================================================================ */

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

:root {
  --cv-bg:        #0f1014;
  --cv-panel:     #17191f;
  --cv-panel2:    #1e2028;
  --cv-border:    rgba(255,255,255,0.07);
  --cv-border2:   rgba(255,255,255,0.12);
  --cv-accent:    #7c3aed;
  --cv-accent2:   #a855f7;
  --cv-cyan:      #06b6d4;
  --cv-green:     #10b981;
  --cv-red:       #ef4444;
  --cv-gold:      #f59e0b;
  --cv-text:      #e4e6ed;
  --cv-text2:     #9ca3af;
  --cv-text3:     #6b7280;
  --cv-track-h:   44px;
  --cv-sidebar-w: 240px;
  --cv-inspector-w: 260px;
  --cv-topbar-h:  48px;
  --cv-transport-h: 52px;
  --cv-timeline-h: 220px;
  --cv-ruler-h:   24px;
}

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

body.convideo-mode {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--cv-bg);
  color: var(--cv-text);
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
  font-size: 13px;
  line-height: 1.4;
}

/* ── Top Bar ──────────────────────────────────────────────── */
.cv-topbar {
  height: var(--cv-topbar-h);
  background: var(--cv-panel);
  border-bottom: 1px solid var(--cv-border2);
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 12px;
  flex-shrink: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,0.4);
}

.cv-topbar-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 14px;
  color: white;
  text-decoration: none;
  padding-right: 12px;
  border-right: 1px solid var(--cv-border2);
  margin-right: 6px;
}

.cv-topbar-logo .logo-icon {
  width: 28px;
  height: 28px;
  background: linear-gradient(135deg, var(--cv-accent), var(--cv-cyan));
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

.cv-sep {
  width: 1px;
  height: 24px;
  background: var(--cv-border2);
  margin: 0 4px;
}

.cv-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 10px;
  border: 1px solid var(--cv-border2);
  background: rgba(255,255,255,0.04);
  color: var(--cv-text2);
  border-radius: 5px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s;
  font-family: inherit;
  white-space: nowrap;
}

.cv-btn:hover {
  background: rgba(255,255,255,0.09);
  color: var(--cv-text);
  border-color: rgba(255,255,255,0.2);
}

.cv-btn.primary {
  background: linear-gradient(135deg, var(--cv-accent), var(--cv-accent2));
  border-color: var(--cv-accent);
  color: white;
  font-weight: 600;
}

.cv-btn.primary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(124,58,237,0.4);
}

.cv-btn.danger {
  border-color: rgba(239,68,68,0.3);
  color: var(--cv-red);
}

.cv-btn.danger:hover {
  background: rgba(239,68,68,0.12);
}

.cv-btn.active, .cv-btn[data-active="true"] {
  background: rgba(124,58,237,0.2);
  border-color: var(--cv-accent);
  color: var(--cv-accent2);
}

/* ── Workspace Layout ─────────────────────────────────────── */
.cv-workspace {
  flex: 1;
  display: flex;
  overflow: hidden;
  min-height: 0;
}

/* ── Left Sidebar ─────────────────────────────────────────── */
.cv-sidebar {
  width: var(--cv-sidebar-w);
  background: var(--cv-panel);
  border-right: 1px solid var(--cv-border2);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  flex-shrink: 0;
}

.cv-sidebar-tabs {
  display: flex;
  border-bottom: 1px solid var(--cv-border);
}

.cv-sidebar-tab {
  flex: 1;
  padding: 9px 4px;
  font-size: 10px;
  font-weight: 600;
  text-align: center;
  color: var(--cv-text3);
  cursor: pointer;
  border: none;
  background: none;
  border-bottom: 2px solid transparent;
  transition: all 0.15s;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-family: inherit;
}

.cv-sidebar-tab:hover { color: var(--cv-text2); }
.cv-sidebar-tab.active {
  color: var(--cv-accent2);
  border-bottom-color: var(--cv-accent);
}

.cv-sidebar-panel {
  display: none;
  flex-direction: column;
  flex: 1;
  overflow: hidden;
}

.cv-sidebar-panel.active {
  display: flex;
}

.cv-panel-title {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--cv-text3);
  padding: 10px 12px 6px;
}

/* Media Panel */
.cv-dropzone {
  margin: 8px 10px;
  border: 1.5px dashed var(--cv-border2);
  border-radius: 8px;
  padding: 18px 12px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  flex-shrink: 0;
}

.cv-dropzone:hover, .cv-dropzone.drag-over {
  border-color: var(--cv-accent);
  background: rgba(124,58,237,0.06);
}

.cv-dropzone i {
  font-size: 1.5rem;
  color: var(--cv-accent2);
  margin-bottom: 6px;
  display: block;
}

.cv-dropzone p {
  font-size: 11px;
  color: var(--cv-text3);
  margin: 0;
}

.cv-media-list {
  flex: 1;
  overflow-y: auto;
  padding: 4px 8px;
  list-style: none;
}

.cv-media-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 8px;
  border-radius: 6px;
  cursor: grab;
  transition: background 0.15s;
  border: 1px solid transparent;
}

.cv-media-item:hover {
  background: rgba(255,255,255,0.05);
  border-color: var(--cv-border);
}

.cv-media-item .thumb {
  width: 38px;
  height: 28px;
  background: var(--cv-panel2);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
  overflow: hidden;
}

.cv-media-item .thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cv-media-item .info {
  flex: 1;
  min-width: 0;
}

.cv-media-item .info .name {
  font-size: 11px;
  color: var(--cv-text);
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cv-media-item .info .dur {
  font-size: 10px;
  color: var(--cv-text3);
}

/* Track Controls Panel */
.cv-track-controls {
  padding: 8px 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.cv-track-add-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border: 1px dashed var(--cv-border2);
  border-radius: 6px;
  cursor: pointer;
  background: none;
  color: var(--cv-text2);
  font-size: 12px;
  font-weight: 500;
  font-family: inherit;
  width: 100%;
  transition: all 0.15s;
}

.cv-track-add-btn:hover {
  border-color: var(--cv-accent);
  color: var(--cv-accent2);
  background: rgba(124,58,237,0.06);
}

/* AI Generator Panel */
.cv-ai-panel {
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
  overflow-y: auto;
}

.cv-ai-desc {
  font-size: 11px;
  color: var(--cv-text3);
  line-height: 1.5;
  background: rgba(124,58,237,0.06);
  border: 1px solid rgba(124,58,237,0.15);
  border-radius: 6px;
  padding: 8px;
}

.cv-textarea {
  width: 100%;
  min-height: 70px;
  background: var(--cv-panel2);
  border: 1px solid var(--cv-border2);
  border-radius: 6px;
  color: var(--cv-text);
  font-size: 12px;
  font-family: inherit;
  padding: 8px;
  resize: vertical;
  outline: none;
  transition: border-color 0.15s;
}

.cv-textarea:focus {
  border-color: var(--cv-accent);
}

.cv-ai-status {
  font-size: 10px;
  color: var(--cv-accent2);
  min-height: 14px;
  word-break: break-word;
}

/* ── Center: Preview + Timeline ───────────────────────────── */
.cv-center {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--cv-bg);
  min-width: 0;
}

/* Preview */
.cv-preview-area {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #090a0d;
  padding: 12px;
  min-height: 0;
  position: relative;
}

.cv-preview-canvas {
  max-width: 100%;
  max-height: 100%;
  border-radius: 4px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.7);
  background: #000;
  display: block;
}

/* Transport Bar */
.cv-transport {
  height: var(--cv-transport-h);
  background: var(--cv-panel);
  border-top: 1px solid var(--cv-border);
  border-bottom: 1px solid var(--cv-border);
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 14px;
  flex-shrink: 0;
}

.cv-transport-main {
  display: flex;
  align-items: center;
  gap: 6px;
}

.cv-play-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cv-accent), var(--cv-accent2));
  border: none;
  color: white;
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
  flex-shrink: 0;
}

.cv-play-btn:hover {
  transform: scale(1.08);
  box-shadow: 0 4px 16px rgba(124,58,237,0.5);
}

.cv-time {
  font-family: 'Courier New', monospace;
  font-size: 12px;
  font-weight: 600;
  color: var(--cv-text);
  background: var(--cv-panel2);
  padding: 4px 10px;
  border-radius: 4px;
  letter-spacing: 0.05em;
  border: 1px solid var(--cv-border);
  min-width: 120px;
  text-align: center;
}

.cv-scrubber {
  flex: 1;
  height: 4px;
  -webkit-appearance: none;
  background: linear-gradient(to right, var(--cv-accent) 0%, var(--cv-panel2) 0%);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}

.cv-scrubber::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--cv-accent2);
  border: 2px solid white;
  cursor: pointer;
  box-shadow: 0 0 6px rgba(124,58,237,0.6);
}

.cv-vol-group {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--cv-text3);
  font-size: 12px;
}

.cv-vol-slider {
  width: 72px;
  height: 3px;
  -webkit-appearance: none;
  background: var(--cv-panel2);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}

.cv-vol-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--cv-text2);
  cursor: pointer;
}

/* Timeline Toolbar */
.cv-timeline-toolbar {
  background: var(--cv-panel2);
  border-bottom: 1px solid var(--cv-border);
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 6px 10px;
  flex-shrink: 0;
}

.cv-toolbar-sep {
  width: 1px;
  height: 20px;
  background: var(--cv-border2);
  margin: 0 2px;
}

.cv-zoom-group {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
  color: var(--cv-text3);
  font-size: 11px;
}

.cv-zoom-slider {
  width: 80px;
  height: 3px;
  -webkit-appearance: none;
  background: var(--cv-border2);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}

.cv-zoom-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--cv-text2);
  cursor: pointer;
}

.cv-select-transition {
  padding: 4px 8px;
  background: var(--cv-panel);
  border: 1px solid var(--cv-border2);
  border-radius: 4px;
  color: var(--cv-text2);
  font-size: 11px;
  font-family: inherit;
  cursor: pointer;
  outline: none;
}

.cv-select-transition:focus { border-color: var(--cv-accent); }

/* Timeline Body */
.cv-timeline-body {
  display: flex;
  flex: 1;
  overflow: hidden;
  min-height: var(--cv-timeline-h);
  max-height: var(--cv-timeline-h);
}

.cv-track-labels {
  width: 80px;
  flex-shrink: 0;
  background: var(--cv-panel);
  border-right: 1px solid var(--cv-border2);
  display: flex;
  flex-direction: column;
}

.cv-track-label {
  height: var(--cv-track-h);
  display: flex;
  align-items: center;
  padding: 0 8px;
  font-size: 10px;
  font-weight: 600;
  color: var(--cv-text3);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--cv-border);
  gap: 4px;
  flex-shrink: 0;
}

.cv-track-label-mute {
  background: none;
  border: none;
  cursor: pointer;
  padding: 2px;
  color: var(--cv-text3);
  border-radius: 3px;
  margin-left: auto;
  font-size: 9px;
  transition: color 0.15s;
}

.cv-track-label-mute:hover { color: var(--cv-red); }

.cv-timeline-scroll {
  flex: 1;
  overflow-x: auto;
  overflow-y: hidden;
  position: relative;
  cursor: crosshair;
}

.cv-ruler {
  height: var(--cv-ruler-h);
  background: var(--cv-panel2);
  border-bottom: 1px solid var(--cv-border2);
  position: sticky;
  top: 0;
  z-index: 10;
  overflow: hidden;
  user-select: none;
}

.cv-ruler-mark {
  position: absolute;
  top: 0;
  width: 1px;
  background: var(--cv-border2);
  font-size: 9px;
  color: var(--cv-text3);
  padding-top: 2px;
  padding-left: 3px;
}

.cv-ruler-mark.major {
  background: rgba(255,255,255,0.15);
  height: 14px;
}

.cv-ruler-mark.minor { height: 7px; }

.cv-tracks {
  position: relative;
  min-width: 100%;
}

.cv-track-row {
  height: var(--cv-track-h);
  border-bottom: 1px solid var(--cv-border);
  background: rgba(0,0,0,0.15);
  position: relative;
  transition: background 0.15s;
}

.cv-track-row:hover { background: rgba(255,255,255,0.02); }

.cv-track-row.drag-target {
  background: rgba(124,58,237,0.08);
  border-bottom-color: var(--cv-accent);
}

.cv-clip {
  position: absolute;
  top: 4px;
  height: calc(var(--cv-track-h) - 8px);
  border-radius: 4px;
  display: flex;
  align-items: center;
  padding: 0 8px;
  font-size: 10px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  cursor: pointer;
  user-select: none;
  transition: box-shadow 0.15s, filter 0.15s;
  border: 1.5px solid rgba(255,255,255,0.15);
}

.cv-clip.video { background: linear-gradient(135deg, rgba(124,58,237,0.7), rgba(99,102,241,0.6)); }
.cv-clip.audio { background: linear-gradient(135deg, rgba(6,182,212,0.7), rgba(14,165,233,0.6)); }
.cv-clip.text  { background: linear-gradient(135deg, rgba(16,185,129,0.7), rgba(5,150,105,0.6)); }

.cv-clip:hover { filter: brightness(1.15); }

.cv-clip.selected {
  box-shadow: 0 0 0 2px white, 0 0 12px rgba(124,58,237,0.5);
  z-index: 5;
}

.cv-clip-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 7px;
  cursor: ew-resize;
  background: rgba(255,255,255,0.2);
  border-radius: 2px;
}

.cv-clip-handle.left { left: 0; border-radius: 4px 0 0 4px; }
.cv-clip-handle.right { right: 0; border-radius: 0 4px 4px 0; }

.cv-playhead {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--cv-red);
  left: 0;
  pointer-events: none;
  z-index: 20;
}

.cv-playhead::before {
  content: '';
  position: absolute;
  top: 0;
  left: -4px;
  width: 10px;
  height: 10px;
  background: var(--cv-red);
  clip-path: polygon(50% 100%, 0 0, 100% 0);
}

/* ── Right Inspector ──────────────────────────────────────── */
.cv-inspector {
  width: var(--cv-inspector-w);
  background: var(--cv-panel);
  border-left: 1px solid var(--cv-border2);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  flex-shrink: 0;
}

.cv-inspector-tabs {
  display: flex;
  border-bottom: 1px solid var(--cv-border);
}

.cv-inspector-tab {
  flex: 1;
  padding: 9px 4px;
  font-size: 10px;
  font-weight: 600;
  text-align: center;
  color: var(--cv-text3);
  cursor: pointer;
  border: none;
  background: none;
  border-bottom: 2px solid transparent;
  transition: all 0.15s;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-family: inherit;
}

.cv-inspector-tab.active {
  color: var(--cv-accent2);
  border-bottom-color: var(--cv-accent);
}

.cv-inspector-content {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.cv-prop-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.cv-prop-group-title {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--cv-text3);
  padding-bottom: 4px;
  border-bottom: 1px solid var(--cv-border);
}

.cv-field {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.cv-field label {
  font-size: 11px;
  font-weight: 500;
  color: var(--cv-text2);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.cv-field label span {
  font-size: 10px;
  color: var(--cv-accent2);
  font-weight: 600;
}

.cv-field input[type="range"] {
  width: 100%;
  height: 4px;
  -webkit-appearance: none;
  background: var(--cv-panel2);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}

.cv-field input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--cv-accent2);
  cursor: pointer;
  border: 2px solid white;
}

.cv-field input[type="text"],
.cv-field input[type="number"],
.cv-field select {
  width: 100%;
  padding: 6px 8px;
  background: var(--cv-panel2);
  border: 1px solid var(--cv-border2);
  border-radius: 5px;
  color: var(--cv-text);
  font-size: 12px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.15s;
}

.cv-field input:focus, .cv-field select:focus {
  border-color: var(--cv-accent);
}

.cv-field input[type="color"] {
  width: 100%;
  height: 32px;
  padding: 2px;
  background: var(--cv-panel2);
  border: 1px solid var(--cv-border2);
  border-radius: 5px;
  cursor: pointer;
}

.cv-empty-state {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 20px;
  gap: 8px;
}

.cv-empty-state i {
  font-size: 2rem;
  color: var(--cv-text3);
}

.cv-empty-state p {
  font-size: 12px;
  color: var(--cv-text3);
  line-height: 1.5;
}

/* Shortcuts */
.cv-shortcuts {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.cv-shortcut {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
}

.cv-shortcut .action { color: var(--cv-text2); }

.cv-shortcut .key {
  font-family: 'Courier New', monospace;
  font-size: 10px;
  background: var(--cv-panel2);
  border: 1px solid var(--cv-border2);
  border-radius: 3px;
  padding: 2px 5px;
  color: var(--cv-text);
}

/* Status bar */
.cv-statusbar {
  height: 24px;
  background: var(--cv-panel);
  border-top: 1px solid var(--cv-border2);
  display: flex;
  align-items: center;
  padding: 0 12px;
  gap: 16px;
  flex-shrink: 0;
  font-size: 10px;
  color: var(--cv-text3);
}

.cv-statusbar .status-item {
  display: flex;
  align-items: center;
  gap: 4px;
}

.cv-statusbar .status-ready {
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--cv-green);
}

.cv-statusbar .status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cv-green);
}

/* ── Scrollbars ───────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.12); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 900px) {
  .cv-inspector { display: none; }
}

@media (max-width: 640px) {
  .cv-sidebar { width: 180px; }
  :root { --cv-sidebar-w: 180px; }
}