/* ============================================================
   ZSky Web Video Editor — pro-studio dark UI
   Aesthetic: true-black hero preview, hairline structure, ZSky
   magenta->cyan accent used surgically, monospace timecode.
   ============================================================ */

.zve-app {
  --zve-bg: #0a0b0d;
  --zve-panel: #101216;
  --zve-panel-2: #15181d;
  --zve-line: rgba(255,255,255,0.08);
  --zve-line-strong: rgba(255,255,255,0.16);
  --zve-text: #e7e9ee;
  --zve-text-dim: rgba(231,233,238,0.55);
  --zve-text-faint: rgba(231,233,238,0.32);
  --zve-accent: #ff2bd6;
  --zve-accent-2: #19e3ff;
  --zve-grad: linear-gradient(120deg, #ff2bd6 0%, #b14bff 45%, #19e3ff 100%);
  --zve-video: #19e3ff;
  --zve-image: #b14bff;
  --zve-audio: #36e2a4;
  --zve-radius: 10px;
  --zve-mono: "JetBrains Mono", "SFMono-Regular", ui-monospace, Menlo, Consolas, monospace;

  position: relative;
  height: calc(100vh - var(--nav-h, 52px));
  display: flex;
  flex-direction: column;
  background: var(--zve-bg);
  color: var(--zve-text);
  font-family: "DM Sans", system-ui, sans-serif;
  font-size: 13px;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

/* faint atmospheric vignette so the preview feels lit */
.zve-app::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; z-index: 0;
  background: radial-gradient(120% 80% at 50% -10%, rgba(177,75,255,0.06), transparent 60%);
}
.zve-app > * { position: relative; z-index: 1; }

/* ---------------- toolbar ---------------- */
.zve-toolbar {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 14px; border-bottom: 1px solid var(--zve-line);
  background: var(--zve-panel);
}
.zve-brand { display: flex; align-items: baseline; gap: 7px; padding-right: 6px; }
.zve-brand-mark {
  font-weight: 700; letter-spacing: 0.5px; font-size: 15px;
  background: var(--zve-grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.zve-brand-sub { font-size: 11px; color: var(--zve-text-faint); letter-spacing: 1.5px; text-transform: uppercase; }
.zve-name {
  background: var(--zve-panel-2); border: 1px solid var(--zve-line); color: var(--zve-text);
  border-radius: 8px; padding: 6px 10px; font-size: 13px; width: 220px; transition: border-color .15s, box-shadow .15s;
}
.zve-name:focus { outline: none; border-color: var(--zve-accent-2); box-shadow: 0 0 0 3px rgba(25,227,255,0.12); }
.zve-spacer { flex: 1; }

/* ---------------- buttons ---------------- */
.zve-btn {
  appearance: none; border: 1px solid var(--zve-line-strong); background: var(--zve-panel-2);
  color: var(--zve-text); border-radius: 8px; padding: 7px 12px; font-size: 12.5px; font-family: inherit;
  cursor: pointer; transition: transform .08s ease, border-color .15s, background .15s, opacity .15s; white-space: nowrap;
}
.zve-btn:hover { border-color: var(--zve-line-strong); background: #1b1f25; }
.zve-btn:active { transform: translateY(1px); }
.zve-btn:disabled { opacity: 0.35; cursor: not-allowed; }
.zve-btn-primary {
  border: none; color: #06070a; font-weight: 600; background: var(--zve-grad);
  background-size: 160% 160%; animation: zve-sheen 8s ease infinite;
}
.zve-btn-primary:hover { filter: brightness(1.08); }
@keyframes zve-sheen { 0%,100% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } }
.zve-btn-ghost { background: transparent; border-color: var(--zve-line); color: var(--zve-text-dim); }
.zve-btn-ghost:hover { color: var(--zve-text); }
.zve-btn-danger { border-color: rgba(255,84,84,0.4); color: #ff8585; background: transparent; width: 100%; margin-top: 10px; }
.zve-btn-danger:hover { background: rgba(255,84,84,0.08); }

/* ---------------- main 3-col layout ---------------- */
.zve-main { flex: 1; display: grid; grid-template-columns: 248px 1fr 280px; min-height: 0; }
.zve-col { min-height: 0; overflow: hidden; }
.zve-col-assets { border-right: 1px solid var(--zve-line); background: var(--zve-panel); display: flex; flex-direction: column; }
.zve-col-props { border-left: 1px solid var(--zve-line); background: var(--zve-panel); overflow-y: auto; }
.zve-col-center { display: flex; flex-direction: column; min-width: 0; background: var(--zve-bg); }

/* ---------------- preview ---------------- */
.zve-preview-wrap {
  flex: 1; min-height: 0; display: flex; align-items: center; justify-content: center;
  padding: 18px; background:
    linear-gradient(0deg, rgba(0,0,0,0.4), rgba(0,0,0,0.4)),
    radial-gradient(80% 60% at 50% 40%, rgba(25,227,255,0.04), transparent 70%);
}
.zve-canvas {
  background: #000; border-radius: 8px; max-width: 100%; max-height: 100%;
  box-shadow: 0 24px 80px rgba(0,0,0,0.6), 0 0 0 1px var(--zve-line);
}

/* ---------------- transport ---------------- */
.zve-transport {
  display: flex; align-items: center; gap: 8px; padding: 8px 14px;
  border-top: 1px solid var(--zve-line); border-bottom: 1px solid var(--zve-line); background: var(--zve-panel);
}
.zve-tp-btn {
  appearance: none; border: 1px solid var(--zve-line); background: var(--zve-panel-2); color: var(--zve-text);
  border-radius: 8px; min-width: 38px; height: 34px; padding: 0 12px; cursor: pointer; font-size: 13px;
  transition: background .15s, border-color .15s, transform .08s;
}
.zve-tp-btn:hover { background: #1b1f25; }
.zve-tp-btn:active { transform: translateY(1px); }
.zve-tp-play { border: none; background: var(--zve-grad); color: #06070a; font-weight: 700; }
.zve-tp-time { margin-left: auto; font-family: var(--zve-mono); font-size: 12px; color: var(--zve-text-dim); letter-spacing: 0.5px; }

/* ---------------- timeline ---------------- */
.zve-timeline-host { height: 280px; min-height: 180px; resize: vertical; overflow: hidden; display: flex; }
.zve-timeline { flex: 1; display: flex; flex-direction: column; min-width: 0; background: var(--zve-bg); }
.zve-ruler {
  height: 26px; position: relative; border-bottom: 1px solid var(--zve-line);
  background: var(--zve-panel); cursor: text; flex-shrink: 0; overflow: hidden;
}
.zve-tick { position: absolute; top: 0; height: 100%; border-left: 1px solid var(--zve-line); padding-left: 5px; }
.zve-tick span { font-family: var(--zve-mono); font-size: 10px; color: var(--zve-text-faint); line-height: 26px; }

.zve-tl-scroll { flex: 1; overflow: auto; position: relative; }
.zve-tl-scroll::-webkit-scrollbar { height: 10px; width: 10px; }
.zve-tl-scroll::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.12); border-radius: 6px; }
.zve-tl-scroll::-webkit-scrollbar-track { background: transparent; }
.zve-lanes { position: relative; min-height: 100%; }

.zve-lane {
  position: relative; border-bottom: 1px solid var(--zve-line);
  background: linear-gradient(0deg, rgba(255,255,255,0.012), transparent);
}
.zve-lane-audio { background: linear-gradient(0deg, rgba(54,226,164,0.04), transparent); }
.zve-lane-head {
  position: sticky; left: 0; z-index: 4; width: 92px; height: 100%;
  display: flex; align-items: center; gap: 4px; padding: 0 8px; float: left;
  background: var(--zve-panel-2); border-right: 1px solid var(--zve-line);
}
.zve-lane-name { font-size: 10.5px; color: var(--zve-text-dim); flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.zve-lane-btn {
  width: 18px; height: 18px; border-radius: 5px; border: 1px solid var(--zve-line); background: transparent;
  color: var(--zve-text-faint); font-size: 10px; cursor: pointer; line-height: 1; padding: 0;
}
.zve-lane-btn.on { background: rgba(255,84,84,0.18); color: #ff8585; border-color: transparent; }

/* clips */
.zve-clip {
  position: absolute; top: 5px; bottom: 5px; left: 0; min-width: 8px;
  border-radius: 7px; overflow: hidden; cursor: grab; user-select: none;
  background: var(--zve-panel-2); border: 1px solid var(--zve-line-strong);
  box-shadow: 0 2px 8px rgba(0,0,0,0.4); transition: box-shadow .15s, border-color .15s;
}
.zve-clip::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--zve-video); }
.zve-clip-image::before { background: var(--zve-image); }
.zve-clip-audio::before { background: var(--zve-audio); }
.zve-clip:active { cursor: grabbing; }
.zve-clip.selected { border-color: var(--zve-accent-2); box-shadow: 0 0 0 1px var(--zve-accent-2), 0 6px 18px rgba(25,227,255,0.18); }
.zve-clip-label {
  position: absolute; left: 9px; bottom: 4px; right: 8px; font-size: 10.5px; color: var(--zve-text);
  text-shadow: 0 1px 3px rgba(0,0,0,0.9); pointer-events: none; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.zve-clip-thumbs { position: absolute; inset: 0; background-size: cover; background-position: center; opacity: 0.5; }
.zve-clip-wave { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0.7; }
.zve-clip.has-tin { border-top-left-radius: 16px; }
.zve-clip.has-tout { border-top-right-radius: 16px; }

.zve-handle { position: absolute; top: 0; bottom: 0; width: 9px; cursor: ew-resize; z-index: 3; }
.zve-handle-in { left: 0; } .zve-handle-out { right: 0; }
.zve-handle::after { content: ""; position: absolute; top: 35%; bottom: 35%; left: 3px; width: 2px; border-radius: 2px; background: rgba(255,255,255,0); transition: background .15s; }
.zve-clip:hover .zve-handle::after, .zve-clip.selected .zve-handle::after { background: rgba(255,255,255,0.5); }

/* playhead */
.zve-playhead {
  position: absolute; top: 0; bottom: 0; left: 0; width: 2px; z-index: 6; pointer-events: none;
  background: linear-gradient(180deg, var(--zve-accent), var(--zve-accent-2));
  box-shadow: 0 0 8px rgba(255,43,214,0.6);
}
.zve-playhead::before {
  content: ""; position: absolute; top: -1px; left: -5px; width: 12px; height: 8px; border-radius: 2px;
  background: var(--zve-accent);
}

/* ---------------- assets ---------------- */
.zve-assets { display: flex; flex-direction: column; height: 100%; }
.zve-assets.dragging { outline: 2px dashed var(--zve-accent-2); outline-offset: -8px; }
.zve-assets-bar { display: flex; gap: 6px; padding: 12px; border-bottom: 1px solid var(--zve-line); flex-wrap: wrap; }
.zve-assets-bar .zve-btn { padding: 6px 9px; font-size: 11.5px; }
.zve-assets-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: 12px; overflow-y: auto; }
.zve-assets-zsky { border-top: 1px solid var(--zve-line); }
.zve-assets-subhead, .zve-assets-note { grid-column: 1 / -1; font-size: 11px; color: var(--zve-text-faint); }
.zve-assets-note a { color: var(--zve-accent-2); }
.zve-tile {
  position: relative; border-radius: 8px; overflow: hidden; cursor: pointer; background: var(--zve-panel-2);
  border: 1px solid var(--zve-line); aspect-ratio: 16/10; transition: transform .12s, border-color .15s;
}
.zve-tile:hover { transform: translateY(-2px); border-color: var(--zve-line-strong); }
.zve-tile.loading { animation: zve-pulse 1.2s ease-in-out infinite; }
@keyframes zve-pulse { 0%,100% { opacity: 0.5; } 50% { opacity: 0.85; } }
.zve-tile-thumb { position: absolute; inset: 0; background: #06070a center/cover no-repeat; }
.zve-tile-name { position: absolute; left: 6px; right: 6px; bottom: 5px; font-size: 10px; color: #fff; text-shadow: 0 1px 3px #000; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.zve-tile-badge { position: absolute; top: 6px; right: 6px; font-family: var(--zve-mono); font-size: 8.5px; letter-spacing: 0.5px; padding: 2px 5px; border-radius: 4px; background: rgba(0,0,0,0.6); color: var(--zve-accent-2); }
.zve-tile.kind-image .zve-tile-badge { color: var(--zve-image); }
.zve-tile.kind-audio .zve-tile-badge { color: var(--zve-audio); }
.zve-tile.error { border-color: rgba(255,84,84,0.5); }

/* ---------------- props ---------------- */
.zve-props { padding: 14px; }
.zve-props-empty { color: var(--zve-text-faint); font-size: 12px; line-height: 1.6; padding: 6px 2px 16px; }
.zve-props-title { font-size: 13px; font-weight: 600; margin-bottom: 2px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.zve-props-info { font-family: var(--zve-mono); font-size: 10.5px; color: var(--zve-text-faint); margin-bottom: 12px; }
.zve-section { border-top: 1px solid var(--zve-line); padding: 8px 0; }
.zve-section summary { cursor: pointer; font-size: 11px; letter-spacing: 0.8px; text-transform: uppercase; color: var(--zve-text-dim); padding: 4px 0; list-style: none; }
.zve-section summary::-webkit-details-marker { display: none; }
.zve-section summary::before { content: "+"; display: inline-block; width: 14px; color: var(--zve-text-faint); }
.zve-section[open] summary::before { content: "–"; }
.zve-prop-row { padding: 6px 0; }
.zve-prop-head { display: flex; align-items: center; gap: 8px; margin-bottom: 5px; }
.zve-prop-label { flex: 1; font-size: 11.5px; color: var(--zve-text-dim); }
.zve-prop-val { font-family: var(--zve-mono); font-size: 10.5px; color: var(--zve-text); min-width: 34px; text-align: right; }
.zve-kf { width: 18px; height: 18px; border-radius: 5px; border: 1px solid var(--zve-line); background: transparent; color: var(--zve-text-faint); font-size: 9px; cursor: pointer; padding: 0; }
.zve-kf.enabled:hover { color: var(--zve-accent-2); border-color: var(--zve-accent-2); }
.zve-kf.active { color: var(--zve-accent); border-color: var(--zve-accent); }

/* range sliders */
.zve-range { -webkit-appearance: none; appearance: none; width: 100%; height: 4px; border-radius: 4px; background: var(--zve-line-strong); outline: none; }
.zve-range::-webkit-slider-thumb { -webkit-appearance: none; width: 14px; height: 14px; border-radius: 50%; background: #fff; cursor: pointer; box-shadow: 0 1px 4px rgba(0,0,0,0.6); transition: transform .1s; }
.zve-range::-webkit-slider-thumb:hover { transform: scale(1.15); }
.zve-range::-moz-range-thumb { width: 14px; height: 14px; border: none; border-radius: 50%; background: #fff; cursor: pointer; }
/* temperature/tint get the only colored tracks (matches photo editor) */
.zve-prop-row:has(.zve-prop-label) .zve-range { }
.zve-select { background: var(--zve-panel-2); color: var(--zve-text); border: 1px solid var(--zve-line); border-radius: 7px; padding: 6px 8px; font-size: 12px; font-family: inherit; }
.zve-btn-ghost.zve-btn { width: 100%; margin-top: 8px; font-size: 11.5px; }

/* ---------------- export modal ---------------- */
.zve-modal-overlay { position: fixed; inset: 0; z-index: 99999; background: rgba(4,5,7,0.78); backdrop-filter: blur(6px); display: flex; align-items: center; justify-content: center; animation: zve-fade .18s ease; }
@keyframes zve-fade { from { opacity: 0; } to { opacity: 1; } }
.zve-modal { width: min(440px, 92vw); background: var(--zve-panel); border: 1px solid var(--zve-line-strong); border-radius: 14px; padding: 22px; box-shadow: 0 30px 90px rgba(0,0,0,0.7); animation: zve-rise .22s cubic-bezier(.2,.8,.2,1); }
@keyframes zve-rise { from { transform: translateY(12px) scale(.98); opacity: 0; } to { transform: none; opacity: 1; } }
.zve-modal h3 { margin: 0 0 16px; font-size: 16px; }
.zve-export-form { display: flex; flex-direction: column; gap: 12px; }
.zve-export-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; font-size: 12.5px; color: var(--zve-text-dim); }
.zve-export-row .zve-select { min-width: 200px; }
.zve-export-note { margin: 14px 0 4px; font-size: 11px; line-height: 1.5; color: var(--zve-text-faint); padding: 10px; border-radius: 8px; background: var(--zve-panel-2); border: 1px solid var(--zve-line); }
.zve-progress-wrap { margin-top: 14px; }
.zve-progress { height: 8px; border-radius: 6px; background: var(--zve-panel-2); overflow: hidden; border: 1px solid var(--zve-line); }
.zve-progress-bar { height: 100%; width: 0; background: var(--zve-grad); transition: width .2s ease; }
.zve-progress-txt { margin-top: 8px; font-family: var(--zve-mono); font-size: 10.5px; color: var(--zve-text-dim); }
.zve-modal-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 18px; }

.zve-fatal { padding: 60px 24px; text-align: center; color: var(--zve-text-dim); }
.zve-fatal h3 { color: var(--zve-text); }

/* ---------------- responsive: editor is desktop-grade ---------------- */
@media (max-width: 900px) {
  .zve-app { height: auto; }
  .zve-main { grid-template-columns: 1fr; }
  .zve-col-assets, .zve-col-props { border: none; border-bottom: 1px solid var(--zve-line); max-height: 320px; overflow-y: auto; }
  .zve-preview-wrap { min-height: 240px; }
}