/* =====================================================================
   Mockup Studio — design system
   Floating glass panels over a full-bleed black stage.
   ===================================================================== */

:root {
  --bg: #000000;

  /* Glass surfaces */
  --glass: rgba(15, 15, 19, 0.72);
  --glass-solid: rgba(19, 19, 24, 0.94);
  --fill-1: rgba(255, 255, 255, 0.05);   /* resting fill */
  --fill-2: rgba(255, 255, 255, 0.09);   /* hover fill */
  --fill-3: rgba(255, 255, 255, 0.13);   /* pressed / selected fill */
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);

  --text: #f5f5f7;
  --muted: #9b9ba4;
  --faint: #6e6e78;

  /* Accent — periwinkle→blue, used sparingly */
  --accent: #7c8cff;
  --accent-soft: rgba(124, 140, 255, 0.16);
  --accent-line: rgba(124, 140, 255, 0.55);
  --accent-grad: linear-gradient(135deg, #8a7bff 0%, #5d8bff 100%);
  --accent-text: #aab4ff;

  --ok: #3ddc84;
  --danger: #ff5d64;

  --axis-x: #ff7d92;
  --axis-y: #6fe39b;
  --axis-z: #6fb2ff;

  --r-sm: 8px;
  --r-md: 11px;
  --r-lg: 16px;
  --r-xl: 20px;

  --shadow-panel: 0 16px 48px rgba(0, 0, 0, 0.55), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  --shadow-pop: 0 24px 80px rgba(0, 0, 0, 0.7), inset 0 1px 0 rgba(255, 255, 255, 0.06);

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

* { box-sizing: border-box; }
[hidden] { display: none !important; }

html, body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  color: var(--text);
  font-family: var(--font);
  font-size: 13px;
  letter-spacing: -0.008em;
  -webkit-font-smoothing: antialiased;
  background:
    radial-gradient(1100px 700px at 50% -8%, rgba(124, 119, 255, 0.07), transparent 62%),
    radial-gradient(900px 600px at 88% 112%, rgba(72, 140, 255, 0.05), transparent 60%),
    var(--bg);
}

::selection { background: rgba(124, 140, 255, 0.35); }

:focus-visible {
  outline: 2px solid var(--accent-line);
  outline-offset: 2px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.icon-defs { position: absolute; width: 0; height: 0; overflow: hidden; }

/* Stroke icon set */
.i {
  width: 15px;
  height: 15px;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* =====================================================================
   Stage
   ===================================================================== */
#stage {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  z-index: 0;
}

.loading {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  color: var(--muted);
  font-size: 13px;
  pointer-events: none;
  transition: opacity 0.4s ease;
}
.loading.hidden { opacity: 0; }
.spinner {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.12);
  border-top-color: #fff;
  animation: spin 0.9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* =====================================================================
   Floating chrome — shared glass recipe
   ===================================================================== */
.topbar, .toolrail, .panel, .timeline {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0) 42%),
    var(--glass);
  -webkit-backdrop-filter: blur(22px) saturate(150%);
  backdrop-filter: blur(22px) saturate(150%);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-panel);
}

/* =====================================================================
   Top bar
   ===================================================================== */
.topbar {
  position: fixed;
  top: 14px;
  left: 14px;
  right: 14px;
  height: 54px;
  z-index: 20;
  border-radius: var(--r-lg);
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 0 10px 0 16px;
}

.brand { display: flex; align-items: center; gap: 10px; }
.logo {
  width: 28px;
  height: 28px;
  border-radius: 9px;
  background: var(--accent-grad);
  display: grid;
  place-items: center;
  color: #fff;
  box-shadow: 0 4px 16px rgba(110, 120, 255, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.35);
}
.logo svg { width: 14px; height: 14px; stroke-width: 2.4; }
.brand-name { font-size: 13.5px; font-weight: 650; letter-spacing: -0.01em; }
.brand-name em { font-style: normal; font-weight: 500; color: var(--muted); }

.topbar-sep { width: 1px; height: 22px; background: var(--line); flex: 0 0 auto; }

.project-title {
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--r-sm);
  padding: 6px 10px;
  width: 200px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
.project-title:hover { background: var(--fill-1); }
.project-title:focus {
  outline: none;
  cursor: text;
  background: var(--fill-1);
  border-color: var(--line-strong);
}

.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.topbar-auth #headerSignedOut,
.topbar-auth #headerSignedIn { display: flex; align-items: center; gap: 6px; }
.user-pill { font-size: 12px; color: var(--muted); padding: 0 4px; }
.user-pill strong { color: var(--text); font-weight: 600; }

/* =====================================================================
   Buttons
   ===================================================================== */
.btn {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  border: 1px solid var(--line);
  background: var(--fill-1);
  color: var(--text);
  border-radius: var(--r-md);
  padding: 8px 13px;
  font-family: inherit;
  font-size: 12.5px;
  font-weight: 550;
  line-height: 1.2;
  letter-spacing: -0.005em;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease,
    transform 0.1s ease, box-shadow 0.15s ease;
}
.btn:hover { background: var(--fill-2); border-color: var(--line-strong); }
.btn:active { transform: scale(0.98); }

.btn.ghost { background: transparent; border-color: transparent; color: var(--muted); }
.btn.ghost:hover { background: var(--fill-1); color: var(--text); }

.btn.primary {
  background: var(--accent-grad);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 4px 18px rgba(110, 120, 255, 0.32), inset 0 1px 0 rgba(255, 255, 255, 0.28);
}
.btn.primary:hover {
  filter: brightness(1.1);
  box-shadow: 0 6px 24px rgba(110, 120, 255, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.28);
}

.btn.upload { background: var(--fill-1); border-color: var(--line-strong); }
.btn.upload:hover { border-color: var(--accent-line); background: var(--fill-2); }
.btn.upload .i { color: var(--accent-text); }

.btn.danger { color: var(--danger); }
.btn.danger:hover { background: rgba(255, 93, 100, 0.1); border-color: rgba(255, 93, 100, 0.4); color: var(--danger); }

.btn.mini { padding: 6px 12px; font-size: 12px; border-radius: 9px; }
.btn.wide { width: 100%; }

/* =====================================================================
   Left tool rail
   ===================================================================== */
/* Transform tools — Move / Rotate / Gizmo, relocated into the right panel's
   Transform section as a segmented control. */
.xform-tools {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  margin-bottom: 8px;
}
.xform-btn {
  border: none;
  border-radius: 9px;
  background: var(--fill-1);
  color: var(--muted);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 7px 4px;
  font: inherit;
  font-size: 12px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, box-shadow 0.15s;
}
.xform-btn .i { width: 15px; height: 15px; }
.xform-btn:hover { background: var(--fill-2); color: var(--text); }
.xform-btn.mode.active,
.xform-btn.rail-toggle:has(input:checked) {
  background: var(--accent-soft);
  color: var(--accent-text);
  box-shadow: inset 0 0 0 1px rgba(124, 140, 255, 0.35);
}
.xform-btn.rail-toggle:not(:has(input:checked)) { opacity: 0.6; }
.xform-btn.rail-toggle:not(:has(input:checked)):hover { opacity: 1; }

.rail-btn {
  position: relative;
  width: 38px;
  height: 38px;
  border: none;
  border-radius: 10px;
  background: transparent;
  color: var(--muted);
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.rail-btn .i { width: 17px; height: 17px; }
.rail-btn:hover { background: var(--fill-1); color: var(--text); }
.rail-btn.active,
.rail-toggle:has(input:checked) {
  background: var(--accent-soft);
  color: var(--accent-text);
  box-shadow: inset 0 0 0 1px rgba(124, 140, 255, 0.35);
}
.rail-toggle:not(:has(input:checked)) { opacity: 0.55; }
.rail-toggle:not(:has(input:checked)):hover { opacity: 1; }

.rail-sep { width: 22px; height: 1px; background: var(--line); margin: 3px 0; }

/* Tooltip flyouts */
[data-tip]::after {
  content: attr(data-tip);
  position: absolute;
  left: calc(100% + 12px);
  top: 50%;
  transform: translateY(-50%) translateX(-4px);
  background: #1c1c23;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  padding: 5px 9px;
  font-size: 11.5px;
  font-weight: 550;
  color: var(--text);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s ease 0.2s, transform 0.15s ease 0.2s;
  z-index: 50;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}
[data-tip][data-key]::after { content: attr(data-tip) "  ·  " attr(data-key); }
[data-tip]:hover::after { opacity: 1; transform: translateY(-50%) translateX(0); }

/* =====================================================================
   Animation timeline dock
   ===================================================================== */
.timeline {
  position: fixed;
  left: 14px;
  right: 350px;
  bottom: 14px;
  z-index: 16;
  border-radius: var(--r-lg);
  display: flex;
  flex-direction: column;
  user-select: none;
}

.timeline-bar {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--line);
}
.timeline-bar .spacer { flex: 1; }

.transport { display: flex; align-items: center; gap: 3px; }
.tl-btn {
  position: relative;
  width: 30px;
  height: 30px;
  border: none;
  border-radius: 9px;
  background: transparent;
  color: var(--muted);
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.tl-btn .i { width: 14px; height: 14px; }
.tl-btn:hover { background: var(--fill-1); color: var(--text); }
.tl-btn.active { background: var(--accent-soft); color: var(--accent-text); }
.tl-btn.danger:hover { background: rgba(255, 93, 100, 0.12); color: var(--danger); }

.tl-btn.play {
  width: 34px;
  height: 34px;
  background: var(--fill-2);
  color: var(--text);
  border: 1px solid var(--line-strong);
}
.tl-btn.play:hover { background: var(--fill-3); }
.tl-btn.play.playing {
  background: var(--accent-grad);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 4px 16px rgba(110, 120, 255, 0.35);
}

.tl-time {
  display: flex;
  align-items: baseline;
  gap: 5px;
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--text);
  min-width: 96px;
}
.tl-time-sep, #tlTotal { color: var(--faint); }

.tl-sep { width: 1px; height: 20px; background: var(--line); flex: 0 0 auto; }

.tl-key-tools { display: flex; align-items: center; gap: 4px; }
.tl-select {
  width: auto;
  padding: 6px 26px 6px 9px;
  font-size: 11.5px;
  border-radius: 8px;
  background-position: right 8px center;
  background-size: 11px;
}

.tl-duration {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11.5px;
  color: var(--muted);
}
.tl-duration input.num { width: 50px; }

/* Presets popover */
.tl-presets-wrap { position: relative; }
.tl-presets-menu {
  position: absolute;
  bottom: calc(100% + 12px);
  left: 0;
  width: 270px;
  max-height: 50vh;
  overflow-y: auto;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0) 50%),
    var(--glass-solid);
  -webkit-backdrop-filter: blur(28px) saturate(150%);
  backdrop-filter: blur(28px) saturate(150%);
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  padding: 6px;
  box-shadow: var(--shadow-pop);
  z-index: 60;
  animation: pop-in 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}
.tl-preset-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  border-radius: 9px;
  padding: 8px 10px;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.12s;
}
.tl-preset-item:hover { background: var(--accent-soft); }
.tl-preset-name { font-size: 12.5px; font-weight: 600; color: var(--text); }
.tl-preset-item:hover .tl-preset-name { color: var(--accent-text); }
.tl-preset-desc { font-size: 11px; color: var(--muted); }

/* Zoom */
.tl-zoom { display: flex; align-items: center; gap: 2px; }
#tlZoomLabel {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--muted);
  min-width: 30px;
  text-align: center;
}

/* Lane header: lane tabs + active device + contextual add */
.tl-lanehead {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 12px;
  border-bottom: 1px solid var(--line);
}
.tl-lanehead .spacer { flex: 1; }
.lane-tabs {
  display: inline-flex;
  gap: 2px;
  padding: 2px;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--line);
  border-radius: 9px;
}
.lane-tab {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: none;
  border-radius: 7px;
  color: var(--muted);
  padding: 4px 11px;
  font: inherit;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.lane-tab .i { width: 11px; height: 11px; }
.lane-tab:hover { color: var(--text); }
.lane-tab.active {
  color: var(--text);
  background: var(--fill-3);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}
.tl-lane-dev { font-size: 11px; color: var(--faint); }

/* Ruler + track */
.timeline-body { position: relative; padding: 10px 16px 14px; }

/* Zoomable, scrollable content */
.tl-scroll {
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: thin;
  scrollbar-color: var(--line-strong) transparent;
}
.tl-scroll::-webkit-scrollbar { height: 7px; }
.tl-scroll::-webkit-scrollbar-thumb { background: var(--line-strong); border-radius: 3px; }
.tl-content { position: relative; width: 100%; min-width: 100%; }

/* Clip lane */
.tl-lane {
  position: relative;
  height: 32px;
  margin-bottom: 6px;
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--line);
  cursor: ew-resize;
  touch-action: none;
}
.tl-lane-empty {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10.5px;
  color: var(--faint);
  pointer-events: none;
}
.tl-clip {
  position: absolute;
  top: 3px;
  bottom: 3px;
  border-radius: 6px;
  background: linear-gradient(180deg, rgba(138, 123, 255, 0.32), rgba(93, 139, 255, 0.22));
  border: 1px solid rgba(124, 140, 255, 0.5);
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 0 9px;
  font-size: 10.5px;
  font-weight: 600;
  color: #d6dbff;
  white-space: nowrap;
  overflow: hidden;
  cursor: grab;
  user-select: none;
  transition: box-shadow 0.12s, border-color 0.12s;
}
.tl-clip:hover { border-color: var(--accent); }
.tl-clip.selected {
  border-color: #fff;
  box-shadow: 0 0 0 2px var(--accent-soft), 0 0 14px rgba(124, 140, 255, 0.45);
  z-index: 2;
}
.tl-clip:active { cursor: grabbing; }
.tl-clip .i { width: 11px; height: 11px; flex: 0 0 auto; }
.tl-clip .h {
  position: absolute;
  top: 0;
  bottom: 0;
  /* matches the pointer edge-zone in app.js: resize wins near the edges */
  width: min(14px, 30%);
  cursor: ew-resize;
}
.tl-clip .h.l { left: 0; border-radius: 6px 0 0 6px; }
.tl-clip .h.r { right: 0; border-radius: 0 6px 6px 0; }
.tl-clip .h::after {
  content: "";
  position: absolute;
  top: 7px;
  bottom: 7px;
  width: 2px;
  border-radius: 1px;
  background: rgba(255, 255, 255, 0.35);
  opacity: 0;
  transition: opacity 0.12s;
}
.tl-clip .h.l::after { left: 3px; }
.tl-clip .h.r::after { right: 3px; }
.tl-clip:hover .h::after, .tl-clip.selected .h::after { opacity: 1; }
.tl-clip .x {
  display: none;
  position: relative;
  z-index: 2; /* stays clickable above the resize handles */
  border: none;
  background: rgba(0, 0, 0, 0.45);
  color: #fff;
  width: 15px;
  height: 15px;
  border-radius: 5px;
  font-size: 11px;
  line-height: 1;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  margin-left: auto;
}
.tl-clip.selected .x { display: inline-flex; }
.tl-clip .x:hover { background: var(--danger); }

/* Screen media clips: thumbnail-filled bars */
.tl-clip.media { padding: 0; background: rgba(0, 0, 0, 0.5); }
.tl-clip.media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.9;
  pointer-events: none;
}
.tl-clip.media .clip-label {
  position: relative;
  z-index: 1;
  pointer-events: none; /* don't block the left resize zone's cursor */
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 1px 7px;
  margin-left: 6px;
  border-radius: 5px;
  background: rgba(0, 0, 0, 0.55);
  max-width: calc(100% - 24px);
  overflow: hidden;
  text-overflow: ellipsis;
}
.tl-clip.media .x { margin-right: 5px; }

/* Play range: held-frame zones dim the bar; markers flag the play/freeze points. */
.tl-clip .hold {
  position: absolute;
  top: 0;
  bottom: 0;
  z-index: 1;
  background: rgba(0, 0, 0, 0.62);
  pointer-events: none;
  /* diagonal hatch hints "this frame is held, not playing" */
  background-image: repeating-linear-gradient(
    -45deg, transparent 0 4px, rgba(255, 255, 255, 0.05) 4px 8px);
}
.tl-clip .hold.l { left: 0; border-radius: 6px 0 0 6px; }
.tl-clip .hold.r { right: 0; border-radius: 0 6px 6px 0; }
.tl-pmark {
  position: absolute;
  top: -2px;
  bottom: -2px;
  width: 2px;
  margin-left: -1px;
  z-index: 3;
  pointer-events: none;
}
.tl-pmark::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 2px;
  background: #fff;
}
.tl-pmark::after {
  content: "";
  position: absolute;
  top: -1px;
  width: 12px;
  height: 11px;
  background: #fff center / 8px no-repeat;
}
.tl-pmark.in::after {
  left: 0;
  border-radius: 3px 3px 3px 0;
  /* play glyph */
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="black"><polygon points="7 5 19 12 7 19"/></svg>');
}
.tl-pmark.out::after {
  right: 0;
  border-radius: 3px 3px 0 3px;
  /* pause/freeze glyph */
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="black"><rect x="6" y="5" width="4" height="14"/><rect x="14" y="5" width="4" height="14"/></svg>');
}

/* Contextual play-range buttons (shown for a selected once-mode video clip) */
.tl-playrange { display: inline-flex; align-items: center; gap: 2px; }
.tl-playrange .tl-sep { margin: 0 4px; }

.tl-ruler {
  position: relative;
  height: 17px;
  margin-bottom: 5px;
  cursor: ew-resize;
}
.tl-tick {
  position: absolute;
  bottom: 0;
  width: 1px;
  height: 5px;
  background: var(--line-strong);
}
.tl-tick.major { height: 8px; background: rgba(255, 255, 255, 0.3); }
.tl-tick-label {
  position: absolute;
  bottom: 9px;
  transform: translateX(-50%);
  font-family: var(--mono);
  font-size: 9px;
  color: var(--faint);
  white-space: nowrap;
}

.tl-track {
  position: relative;
  height: 42px;
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.38);
  border: 1px solid var(--line);
  cursor: ew-resize;
  touch-action: none;
}
.tl-guide {
  position: absolute;
  left: 10px;
  right: 10px;
  top: 50%;
  height: 1px;
  background: var(--line);
  pointer-events: none;
}
.tl-empty {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  font-size: 11.5px;
  color: var(--faint);
  pointer-events: none;
  padding: 0 14px;
  text-align: center;
}
.tl-empty strong { color: var(--muted); font-weight: 600; }

.tl-key {
  position: absolute;
  top: 50%;
  width: 13px;
  height: 13px;
  margin: 0;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 3px;
  background: #d9dbe6;
  transform: translate(-50%, -50%) rotate(45deg);
  cursor: grab;
  transition: transform 0.1s ease, background 0.12s, box-shadow 0.12s;
  z-index: 2;
}
.tl-key:hover { transform: translate(-50%, -50%) rotate(45deg) scale(1.2); }
.tl-key.selected {
  background: var(--accent-grad);
  border-color: rgba(255, 255, 255, 0.7);
  box-shadow: 0 0 0 3px var(--accent-soft), 0 0 12px rgba(124, 140, 255, 0.5);
}
.tl-key:active { cursor: grabbing; }

.tl-playhead {
  position: absolute;
  top: -60px; /* spans lane (32+6) + ruler (17+5) above the track */
  bottom: 0;
  left: 0;
  width: 2px;
  margin-left: -1px;
  background: #fff;
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.45);
  pointer-events: none;
  z-index: 3;
}
.tl-playhead-cap {
  position: absolute;
  top: -1px;
  left: 50%;
  transform: translateX(-50%);
  width: 10px;
  height: 12px;
  background: #fff;
  border-radius: 3px 3px 5px 5px;
  box-shadow: 0 1px 5px rgba(0, 0, 0, 0.5);
}

kbd {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text);
  background: var(--fill-2);
  border: 1px solid var(--line-strong);
  border-radius: 5px;
  padding: 1px 5px 2px;
  margin-right: 1px;
}

/* =====================================================================
   Right inspector panel
   ===================================================================== */
.panel {
  position: fixed;
  top: 82px;
  right: 14px;
  bottom: 14px;
  width: 322px;
  z-index: 15;
  border-radius: var(--r-xl);
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}

/* Segmented Editor / Mockups switch */
.panel-tabs {
  display: flex;
  gap: 3px;
  margin: 10px 12px;
  padding: 3px;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
}
.panel-tab {
  flex: 1;
  background: none;
  border: none;
  border-radius: 8px;
  color: var(--muted);
  padding: 7px 0;
  font: inherit;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.panel-tab:hover { color: var(--text); }
.panel-tab.active {
  color: var(--text);
  background: var(--fill-3);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 1px 4px rgba(0, 0, 0, 0.4);
}

.tab-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

/* ---- Scene strip: device chips ---- */
.devicebar {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: nowrap;
  overflow-x: auto;
  padding: 2px 14px 12px;
  border-bottom: 1px solid var(--line);
  scrollbar-width: thin;
  scrollbar-color: var(--line-strong) transparent;
}
.devicebar::-webkit-scrollbar { height: 5px; }
.devicebar::-webkit-scrollbar-thumb { background: var(--line-strong); border-radius: 3px; }

.add-device {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: transparent;
  border: 1px dashed var(--line-strong);
  border-radius: 999px;
  color: var(--muted);
  padding: 5px 11px 5px 9px;
  font: inherit;
  font-size: 11.5px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}
.add-device .i { width: 12px; height: 12px; stroke-width: 2.2; }
.add-device:hover { border-color: var(--accent-line); color: var(--accent-text); background: var(--accent-soft); }

.device-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex: 0 0 auto;
  background: var(--fill-1);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 8px 5px 10px;
  font-size: 11.5px;
  font-weight: 550;
  cursor: pointer;
  color: var(--muted);
  white-space: nowrap;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}
.device-chip:hover { border-color: var(--line-strong); color: var(--text); }
.device-chip.active {
  border-color: var(--accent-line);
  background: var(--accent-soft);
  color: var(--text);
}
.chip-icon { display: inline-flex; flex: 0 0 auto; line-height: 1; font-size: 12px; }
.chip-icon .i { width: 12.5px; height: 12.5px; }
.device-chip.active .chip-icon { color: var(--accent-text); }
.device-chip .x {
  border: none;
  background: none;
  color: var(--faint);
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  padding: 0 2px;
  border-radius: 4px;
  transition: color 0.12s;
}
.device-chip .x:hover { color: var(--danger); }

/* ---- Scrollable controls ---- */
.panel-scroll {
  flex: 1;
  overflow-y: auto;
  padding: 2px 14px 14px;
  min-height: 0;
  scrollbar-width: thin;
  scrollbar-color: var(--line-strong) transparent;
}
.panel-scroll::-webkit-scrollbar { width: 6px; }
.panel-scroll::-webkit-scrollbar-thumb { background: var(--line-strong); border-radius: 3px; }
.panel-scroll::-webkit-scrollbar-track { background: transparent; }

/* Collapsible sections */
details.group { border-bottom: 1px solid var(--line); }
details.group:last-of-type { border-bottom: none; }
details.group > summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 13px 2px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--muted);
  font-weight: 650;
  user-select: none;
  transition: color 0.15s;
}
details.group > summary:hover { color: var(--text); }
details.group > summary::-webkit-details-marker { display: none; }
details.group > summary::after {
  content: "";
  width: 13px;
  height: 13px;
  flex: 0 0 auto;
  background-color: var(--faint);
  -webkit-mask: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="black" stroke-width="2.4" stroke-linecap="round" stroke-linejoin="round"><polyline points="6 9 12 15 18 9"/></svg>') center / contain no-repeat;
  mask: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="black" stroke-width="2.4" stroke-linecap="round" stroke-linejoin="round"><polyline points="6 9 12 15 18 9"/></svg>') center / contain no-repeat;
  transition: transform 0.18s ease;
}
details.group[open] > summary::after { transform: rotate(180deg); }
details.group > summary:hover::after { background-color: var(--text); }

.group-body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 2px 2px 16px;
}

/* ---- Rows & inputs ---- */
.row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12.5px;
  color: var(--muted);
}
.row-label { flex: 0 0 52px; font-weight: 500; }

.axis-chip {
  flex: 0 0 auto;
  width: 21px;
  height: 21px;
  border-radius: 6px;
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 600;
}
.axis-chip.x { background: rgba(255, 125, 146, 0.14); color: var(--axis-x); }
.axis-chip.y { background: rgba(111, 227, 155, 0.12); color: var(--axis-y); }
.axis-chip.z { background: rgba(111, 178, 255, 0.14); color: var(--axis-z); }
.axis-chip.s { background: rgba(214, 178, 255, 0.16); color: #d6b2ff; }

/* Pill toggle switch (e.g. Mirror finish) */
.switch {
  flex: 0 0 auto;
  width: 38px;
  height: 22px;
  padding: 0;
  border: 1px solid var(--line, rgba(255, 255, 255, 0.14));
  border-radius: 999px;
  background: var(--fill-2, rgba(255, 255, 255, 0.06));
  cursor: pointer;
  position: relative;
  transition: background 0.15s ease, border-color 0.15s ease;
}
.switch-knob {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #cdd2e6;
  transition: transform 0.15s ease, background 0.15s ease;
}
.switch[aria-checked="true"] {
  background: var(--accent-grad);
  border-color: var(--accent-line);
}
.switch[aria-checked="true"] .switch-knob {
  transform: translateX(16px);
  background: #fff;
}

.row input[type="range"] { flex: 1; min-width: 0; }

input.num {
  flex: 0 0 auto;
  width: 58px;
  background: rgba(0, 0, 0, 0.35);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 5px 7px;
  font-family: var(--mono);
  font-size: 11px;
  text-align: right;
  transition: border-color 0.15s;
}
input.num:hover { border-color: var(--line-strong); }
input.num:focus { outline: none; border-color: var(--accent-line); }
input.num::-webkit-outer-spin-button,
input.num::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
input.num { -moz-appearance: textfield; appearance: textfield; }

/* Custom range sliders */
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  height: 20px;
  background: transparent;
  cursor: ew-resize;
}
input[type="range"]::-webkit-slider-runnable-track {
  height: 3px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.14);
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 13px;
  height: 13px;
  margin-top: -5px;
  border-radius: 50%;
  background: #fff;
  border: none;
  box-shadow: 0 1px 5px rgba(0, 0, 0, 0.6);
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}
input[type="range"]:hover::-webkit-slider-thumb {
  transform: scale(1.18);
  box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.12), 0 1px 5px rgba(0, 0, 0, 0.6);
}
input[type="range"]::-moz-range-track {
  height: 3px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.14);
}
input[type="range"]::-moz-range-thumb {
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: #fff;
  border: none;
  box-shadow: 0 1px 5px rgba(0, 0, 0, 0.6);
}
input[type="range"]:focus-visible { outline: none; }
input[type="range"]:focus-visible::-webkit-slider-thumb {
  box-shadow: 0 0 0 4px var(--accent-soft), 0 0 0 1.5px var(--accent-line);
}

.range-caption {
  display: flex;
  justify-content: space-between;
  font-size: 10.5px;
  color: var(--faint);
  margin-top: -4px;
  padding: 0 2px 0 62px;
}

/* Color input */
.row input[type="color"] {
  appearance: none;
  -webkit-appearance: none;
  width: 40px;
  height: 26px;
  padding: 2px;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--line);
  border-radius: 7px;
  cursor: pointer;
  transition: border-color 0.15s;
}
.row input[type="color"]:hover { border-color: var(--line-strong); }
.row input[type="color"]::-webkit-color-swatch-wrapper { padding: 0; }
.row input[type="color"]::-webkit-color-swatch { border: none; border-radius: 5px; }
.row input[type="color"]::-moz-color-swatch { border: none; border-radius: 5px; }

/* Swatches */
.swatches { display: flex; gap: 9px; flex-wrap: wrap; padding: 2px; }
.swatch {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.18);
  cursor: pointer;
  padding: 0;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.swatch:hover { transform: scale(1.12); }
.swatch.active {
  box-shadow: 0 0 0 2px rgba(10, 10, 14, 0.9), 0 0 0 4px #fff;
  border-color: transparent;
}

/* Preset select */
.preset-select {
  width: 100%;
  appearance: none;
  -webkit-appearance: none;
  background:
    url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%239b9ba4" stroke-width="2.2" stroke-linecap="round" stroke-linejoin="round"><polyline points="6 9 12 15 18 9"/></svg>') right 10px center / 13px no-repeat,
    rgba(0, 0, 0, 0.35);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 8px 32px 8px 11px;
  font-family: inherit;
  font-size: 12.5px;
  cursor: pointer;
  transition: border-color 0.15s;
}
.preset-select:hover { border-color: var(--line-strong); }
.preset-select:focus { outline: none; border-color: var(--accent-line); }

/* Video format picker in the export modal — sized to its content, not full width. */
.fmt-select { width: auto; min-width: 190px; padding-top: 9px; padding-bottom: 9px; }
.fmt-select[hidden] { display: none; }

.modes { display: flex; gap: 8px; }
.modes > .btn { flex: 1; }

.authnote { font-size: 11.5px; color: var(--faint); line-height: 1.55; }
.authnote.error { color: var(--danger); }
.authnote.center { text-align: center; }

/* Screen assets row */
.assetrow { display: flex; gap: 7px; flex-wrap: wrap; }
.assetrow:empty { display: none; }
.asset-thumb {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  border: 1px solid var(--line);
  object-fit: cover;
  cursor: pointer;
  background: var(--fill-1);
  transition: border-color 0.15s, transform 0.12s;
}
.asset-thumb:hover { border-color: var(--accent-line); transform: translateY(-1px); }
.asset-thumb.video {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 0;
}
.asset-thumb.video video { width: 100%; height: 100%; object-fit: cover; }
.asset-thumb.video .asset-badge {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 12px;
  background: rgba(0, 0, 0, 0.38);
  pointer-events: none;
}
.asset-badge .i { width: 13px; height: 13px; }

/* Status footer */
.statusbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-top: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.25);
}
.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 8px rgba(61, 220, 132, 0.7);
  animation: pulse 2.6s ease-in-out infinite;
  flex: 0 0 auto;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}
.status {
  font-size: 11.5px;
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Mockups tab */
#mockupsSignedOutNote { padding: 12px 2px; }
.mockup-list { display: flex; flex-direction: column; gap: 7px; padding-top: 10px; }
.mockup-item {
  display: flex;
  align-items: center;
  gap: 9px;
  background: var(--fill-1);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 10px 12px;
  font-size: 12.5px;
  transition: border-color 0.15s, background 0.15s;
}
.mockup-item:hover { border-color: var(--line-strong); background: var(--fill-2); }
.mockup-item .name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  cursor: pointer;
  font-weight: 550;
}
.mockup-item .name:hover { color: var(--accent-text); }
.mockup-item .del {
  border: none;
  background: none;
  color: var(--faint);
  cursor: pointer;
  font-size: 15px;
  line-height: 1;
  padding: 0 2px;
  transition: color 0.12s;
}
.mockup-item .del:hover { color: var(--danger); }

/* =====================================================================
   Modals
   ===================================================================== */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.62);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 24px;
  animation: fade-in 0.18s ease;
}
@keyframes fade-in { from { opacity: 0; } }

.modal-box {
  position: relative;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0) 50%),
    var(--glass-solid);
  -webkit-backdrop-filter: blur(28px) saturate(150%);
  backdrop-filter: blur(28px) saturate(150%);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-xl);
  padding: 22px;
  max-width: min(90vw, 720px);
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  gap: 14px;
  box-shadow: var(--shadow-pop);
  animation: pop-in 0.24s cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes pop-in {
  from { opacity: 0; transform: translateY(10px) scale(0.97); }
}

.modal-title { font-weight: 650; font-size: 16px; letter-spacing: -0.012em; }
.modal-sub { font-size: 12.5px; color: var(--muted); margin-top: -9px; line-height: 1.5; }
.modal-title.center, .modal-sub.center { text-align: center; }

.modal-close {
  position: absolute;
  top: 13px;
  right: 13px;
  width: 30px;
  height: 30px;
  border: none;
  border-radius: 9px;
  background: transparent;
  color: var(--faint);
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  z-index: 1;
}
.modal-close:hover { background: var(--fill-2); color: var(--text); }
.modal-close .i { width: 14px; height: 14px; }

.modal-actions { display: flex; align-items: center; gap: 8px; }
.modal-actions .spacer { flex: 1; }

/* ---- Auth modal ---- */
.auth-box { width: min(90vw, 360px); }
.auth-logo {
  width: 44px;
  height: 44px;
  border-radius: 13px;
  background: var(--accent-grad);
  display: grid;
  place-items: center;
  color: #fff;
  margin: 6px auto 0;
  box-shadow: 0 8px 28px rgba(110, 120, 255, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.35);
}
.auth-logo svg { width: 21px; height: 21px; stroke-width: 2.2; }

.field {
  width: 100%;
  background: rgba(0, 0, 0, 0.35);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 10px 12px;
  font-size: 13px;
  font-family: inherit;
  transition: border-color 0.15s, background 0.15s;
}
.field::placeholder { color: var(--faint); }
.field:focus-visible { outline: none; border-color: var(--accent-line); background: rgba(0, 0, 0, 0.5); }

/* ---- Device picker ---- */
.device-picker-box { width: min(90vw, 460px); }
.device-picker-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 10px;
}
.device-type-card {
  background: var(--fill-1);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 24px 14px 18px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  transition: border-color 0.15s, background 0.15s, transform 0.15s ease, box-shadow 0.15s;
}
.device-type-card:hover {
  border-color: var(--accent-line);
  background: var(--accent-soft);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}
.device-card-icon { color: var(--text); line-height: 1; font-size: 34px; }
.device-card-icon .i { width: 34px; height: 34px; stroke-width: 1.5; }
.device-type-card:hover .device-card-icon { color: var(--accent-text); }
.device-card-name { font-size: 12px; font-weight: 600; text-align: center; color: var(--text); }

/* ---- Asset import / library ---- */
.asset-lib-box { width: min(620px, 94vw); }
.asset-tabs {
  display: inline-flex;
  gap: 3px;
  padding: 3px;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  align-self: flex-start;
}
.asset-tab {
  background: none;
  border: none;
  border-radius: 8px;
  color: var(--muted);
  padding: 6px 16px;
  font: inherit;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.asset-tab:hover { color: var(--text); }
.asset-tab.active {
  color: var(--text);
  background: var(--fill-3);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.dropzone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 13px;
  padding: 46px 20px;
  border: 1.5px dashed var(--line-strong);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.02);
  text-align: center;
  transition: border-color 0.15s, background 0.15s;
}
.dropzone.dragover { border-color: var(--accent-line); background: var(--accent-soft); }
.dropzone-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--fill-2);
  display: grid;
  place-items: center;
  color: var(--muted);
}
.dropzone-icon .i { width: 18px; height: 18px; }
.dropzone.dragover .dropzone-icon { color: var(--accent-text); }
.dropzone-text { color: var(--muted); font-size: 12.5px; }

.asset-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: 10px;
  max-height: 52vh;
  overflow-y: auto;
  padding: 2px;
  scrollbar-width: thin;
  scrollbar-color: var(--line-strong) transparent;
}
.asset-grid::-webkit-scrollbar { width: 6px; }
.asset-grid::-webkit-scrollbar-thumb { background: var(--line-strong); border-radius: 3px; }
.asset-card {
  position: relative;
  aspect-ratio: 1;
  border-radius: 12px;
  border: 1px solid var(--line);
  overflow: hidden;
  cursor: pointer;
  background: var(--fill-1);
  transition: border-color 0.15s, transform 0.12s;
}
.asset-card:hover { border-color: var(--accent-line); transform: translateY(-1px); }
.asset-card img,
.asset-card video { width: 100%; height: 100%; object-fit: cover; display: block; }
.asset-card .kind-badge {
  position: absolute;
  left: 7px;
  bottom: 7px;
  font-family: var(--mono);
  font-size: 9.5px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 2px 7px;
  border-radius: 5px;
  background: rgba(0, 0, 0, 0.65);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  color: #fff;
}
.asset-card .del {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 22px;
  height: 22px;
  border-radius: 7px;
  border: none;
  background: rgba(0, 0, 0, 0.65);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  color: #fff;
  font-size: 13px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s;
}
.asset-card .del:hover { background: var(--danger); }

/* ---- Video trim ---- */
.trim-box { width: min(560px, 92vw); }
.trim-stage {
  display: flex;
  justify-content: center;
  background: #000;
  border-radius: 12px;
  border: 1px solid var(--line);
  overflow: hidden;
}
.trim-stage video { max-width: 100%; max-height: 46vh; display: block; }
.trim-track {
  position: relative;
  height: 34px;
  border-radius: 9px;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--line);
  user-select: none;
  touch-action: none;
}
.trim-range {
  position: absolute;
  top: 0;
  bottom: 0;
  background: var(--accent-soft);
  border-left: 2px solid var(--accent);
  border-right: 2px solid var(--accent);
}
.trim-handle {
  position: absolute;
  top: -4px;
  width: 11px;
  height: 42px;
  margin-left: -5.5px;
  border-radius: 5px;
  background: var(--accent-grad);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.3);
  cursor: ew-resize;
}
.trim-playhead {
  position: absolute;
  top: -2px;
  bottom: -2px;
  width: 2px;
  background: #fff;
  box-shadow: 0 0 6px rgba(255, 255, 255, 0.6);
  pointer-events: none;
}
.trim-times {
  display: flex;
  justify-content: space-between;
  font-size: 11.5px;
  color: var(--muted);
  font-family: var(--mono);
}
.trim-times strong { color: var(--text); font-weight: 500; }

/* ---- Clip edit modal ---- */
.clip-edit-trim { display: flex; flex-direction: column; gap: 10px; }
.clip-edit-fields {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 12.5px;
  color: var(--muted);
}
.clip-edit-fields label { display: inline-flex; align-items: center; gap: 7px; }
.clip-edit-fields input.num { width: 64px; }

/* ---- Crop & export ---- */
.crop-stage {
  position: relative;
  display: inline-block;
  line-height: 0;
  margin: 0 auto;
  overflow: hidden;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: repeating-conic-gradient(#16161b 0% 25%, #0b0b0e 0% 50%) 50% / 18px 18px;
}
#cropImg { display: block; max-width: 100%; max-height: 60vh; user-select: none; }
/* Animated preview canvas — exactly overlays #cropImg; drags pass through to
   the crop box above it. */
.crop-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}
.crop-canvas[hidden] { display: none; }
.crop-box {
  position: absolute;
  border: 1.5px solid #fff;
  box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.6);
  cursor: move;
}
/* Rule-of-thirds guides */
.crop-box::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.18) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.18) 1px, transparent 1px);
  background-size: 33.34% 33.34%;
  background-position: -1px -1px;
}
.crop-box .handle {
  position: absolute;
  width: 12px;
  height: 12px;
  background: #fff;
  border-radius: 3px;
  box-shadow: 0 1px 5px rgba(0, 0, 0, 0.6);
}
.crop-box .tl { top: -6px; left: -6px; cursor: nwse-resize; }
.crop-box .tr { top: -6px; right: -6px; cursor: nesw-resize; }
.crop-box .bl { bottom: -6px; left: -6px; cursor: nesw-resize; }
.crop-box .br { bottom: -6px; right: -6px; cursor: nwse-resize; }

/* Crop-modal preview transport — play/scrub the animation under the crop box. */
.crop-transport {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 12px;
  padding: 7px 12px;
  background: var(--fill-1);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
}
.crop-transport[hidden] { display: none; }
.crop-scrub {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  border-radius: 999px;
  background: var(--fill-3);
  cursor: pointer;
}
.crop-scrub::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid #fff;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.5);
  cursor: grab;
}
.crop-scrub::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border: 2px solid #fff;
  border-radius: 50%;
  background: var(--accent);
  cursor: grab;
}
.crop-scrub:focus { outline: none; }
.crop-scrub:focus::-webkit-slider-thumb { box-shadow: 0 0 0 4px var(--accent-soft); }
.crop-time {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  min-width: 46px;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* =====================================================================
   Responsive
   ===================================================================== */
@media (max-width: 980px) {
  .panel { width: 290px; }
  .timeline { right: 318px; }
  .brand-name em { display: none; }
  .project-title { width: 130px; }
  .tl-duration span:first-child { display: none; }
}

/* ============ Export progress overlay ============ */
.export-progress-card {
  position: relative;
  width: min(90vw, 360px);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0) 50%),
    var(--glass-solid);
  -webkit-backdrop-filter: blur(28px) saturate(150%);
  backdrop-filter: blur(28px) saturate(150%);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-xl);
  padding: 28px 26px 22px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-pop);
  animation: pop-in 0.24s cubic-bezier(0.16, 1, 0.3, 1);
  text-align: center;
}
.ep-ring { position: relative; width: 120px; height: 120px; margin-bottom: 4px; }
.ep-ring-svg { width: 120px; height: 120px; transform: rotate(-90deg); }
.ep-ring-bg { fill: none; stroke: var(--line); stroke-width: 8; }
.ep-ring-fg {
  fill: none;
  stroke-width: 8;
  stroke-linecap: round;
  stroke-dasharray: 326.726;
  stroke-dashoffset: 326.726;
  transition: stroke-dashoffset 0.3s ease;
}
.ep-pct {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.02em;
}
.ep-pct span { font-size: 16px; color: var(--muted); margin-left: 1px; }
.ep-title { font-size: 16px; font-weight: 600; color: var(--text); }
.ep-sub { font-size: 12.5px; color: var(--muted); max-width: 280px; line-height: 1.45; }
.ep-track {
  width: 100%;
  height: 6px;
  border-radius: 999px;
  background: var(--fill-1);
  overflow: hidden;
  margin-top: 4px;
}
.ep-fill {
  height: 100%;
  width: 0%;
  border-radius: 999px;
  background: var(--accent-grad);
  transition: width 0.3s ease;
}
.ep-meta {
  display: flex;
  justify-content: space-between;
  width: 100%;
  font-family: "Geist Mono", ui-monospace, monospace;
  font-size: 11.5px;
  color: var(--muted);
  margin-top: 2px;
}
#exportProgressCancel { margin-top: 8px; }

/* Export-frame preview canvas (sits on the crop-stage checkerboard). */
.frame-canvas { display: block; max-width: 100%; max-height: 60vh; }

/* Indeterminate (ffmpeg encoding) — the ring spins, the bar shimmers. */
.ep-ring.indeterminate .ep-ring-svg { animation: ep-spin 1.1s linear infinite; }
.ep-ring.indeterminate .ep-ring-fg { stroke-dashoffset: 245 !important; transition: none; }
.ep-track.indeterminate .ep-fill {
  width: 35% !important;
  transition: none;
  animation: ep-slide 1.2s ease-in-out infinite;
}
@keyframes ep-spin { to { transform: rotate(270deg); } }
@keyframes ep-slide {
  0% { margin-left: -35%; }
  100% { margin-left: 100%; }
}