/* Clipchamp-like editor layout in a warm light theme.
   Palette: white #FFFFFF, cream #F7F1E6, peach #FFD8A8, orange #FF9F1C, navy #2B2D42.
   The greys, borders and hover are tints of those five, so nothing else is introduced. */
:root {
  --bg: #f7f1e6; /* cream: the page behind the panels, empty lanes, thumbnails */
  --surface: #ffffff; /* white: panels */
  --surface-2: #f7f1e6;
  --hover: rgba(43, 45, 66, 0.06); /* navy, very light */
  --foreground: #2b2d42; /* navy: text, playhead, toasts */
  --muted-foreground: #6b6c7b; /* navy at 70% on white */
  --subtle-foreground: #9596a0; /* navy at 50% on white */
  --border: #ebe2d0; /* cream, a step darker */
  --input: #d9ccb4; /* cream, two steps darker */
  --primary: #ff9f1c; /* orange */
  --primary-hover: #eb8a0a;
  --primary-foreground: #2b2d42; /* navy: white on this orange would be hard to read */
  --primary-soft: #ffd8a8; /* peach */
  --primary-border: #ffd8a8;
  --ring: #2b2d42; /* focus outline */
  --destructive: #dc2626;
  --success: #389e0d;
  --radius: 8px;
  --shadow-overlay: 0 6px 16px 0 rgba(43, 45, 66, 0.12), 0 3px 6px -4px rgba(43, 45, 66, 0.18), 0 9px 28px 8px rgba(43, 45, 66, 0.08);

  --font-sans: "Figtree Variable", "Figtree", "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono Variable", "JetBrains Mono", "Cascadia Mono", Consolas, ui-monospace, monospace;
}

* { box-sizing: border-box; }

html, body { height: 100%; margin: 0; }

body {
  background: var(--bg);
  color: var(--foreground);
  font: 14px/1.45 var(--font-sans);
  user-select: none;
  -webkit-font-smoothing: antialiased;
}

[hidden] { display: none !important; }
.spacer { flex: 1; }
.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

/* ---------- Icons ---------- */
.icon {
  width: 18px;
  height: 18px;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  pointer-events: none;
}
.icon-sm { width: 14px; height: 14px; }
.icon-xl { width: 40px; height: 40px; stroke-width: 1.5; }

/* ---------- Buttons ---------- */
button { font: inherit; color: inherit; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 36px;
  padding: 0 16px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color 0.15s, border-color 0.15s;
}
.btn-primary { background: var(--primary); color: var(--primary-foreground); }
.btn-primary:hover:not(:disabled) { background: var(--primary-hover); }
.btn-outline { background: var(--surface); border-color: var(--input); }
.btn-outline:hover:not(:disabled) { background: var(--hover); }
.btn-sm { height: 30px; padding: 0 12px; font-size: 13px; }
.btn-block { width: 100%; }

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  min-width: 32px;
  height: 32px;
  padding: 0 6px;
  background: transparent;
  border: 0;
  border-radius: var(--radius);
  color: var(--foreground);
  cursor: pointer;
  transition: background-color 0.15s;
}
.icon-btn:hover:not(:disabled) { background: var(--hover); }
.icon-btn-text { font-size: 12px; font-weight: 600; padding: 0 8px; }

.play-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  margin: 0 4px;
  background: var(--primary);
  color: var(--primary-foreground);
  border: 0;
  border-radius: 50%;
  cursor: pointer;
  transition: background-color 0.15s;
}
.play-btn:hover:not(:disabled) { background: var(--primary-hover); }
.play-btn .icon { width: 20px; height: 20px; fill: currentColor; }
#play .i-pause { display: none; }
#play.is-playing .i-play { display: none; }
#play.is-playing .i-pause { display: inline-block; }

button:disabled { opacity: 0.4; cursor: default; }
button:focus-visible, input:focus-visible { outline: 2px solid var(--ring); outline-offset: 2px; }

/* ---------- App shell ---------- */
#app {
  display: grid;
  grid-template-columns: 264px minmax(0, 1fr) auto;
  gap: 8px;
  height: 100%;
  padding: 8px;
}
#app.media-collapsed { grid-template-columns: 52px minmax(0, 1fr) auto; }
#app.exporting #media-panel,
#app.exporting #editor,
#app.exporting #props-panel { pointer-events: none; opacity: 0.65; }

.panel {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px;
  padding: 0 12px 0 16px;
  flex: none;
}
.panel-head h2 { margin: 0; font-size: 15px; font-weight: 600; }
.panel-body { flex: 1; min-height: 0; padding: 4px 16px 16px; overflow-y: auto; }

/* ---------- My media ---------- */
#media-empty { margin: 24px 0 0; color: var(--muted-foreground); text-align: center; font-size: 13px; }
#media-list { margin-top: 16px; }

.media-item { position: relative; margin-bottom: 14px; cursor: grab; }
.media-thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  background: var(--bg) center / cover no-repeat;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.media-dur {
  position: absolute;
  right: 6px;
  bottom: 6px;
  padding: 1px 6px;
  font-size: 11px;
  color: #fff;
  background: rgba(0, 0, 0, 0.7);
  border-radius: 4px;
}
.media-actions {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: rgba(43, 45, 66, 0.45);
  opacity: 0;
  transition: opacity 0.15s;
}
.media-item:hover .media-actions { opacity: 1; }
.media-actions button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: #fff;
  border: 0;
  border-radius: 50%;
  cursor: pointer;
}
.media-actions button:hover { background: var(--primary); color: var(--primary-foreground); }
.media-name {
  margin-top: 6px;
  font-size: 12px;
  color: var(--muted-foreground);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#app.media-collapsed #media-panel .panel-body,
#app.media-collapsed #media-panel h2 { display: none; }
#app.media-collapsed #media-panel .panel-head { justify-content: center; padding: 0; }
#app.media-collapsed #media-collapse .icon { transform: rotate(180deg); }

/* ---------- Top bar + preview ---------- */
#topbar {
  display: flex;
  align-items: center;
  gap: 4px;
  height: 56px;
  padding: 0 12px;
  flex: none;
}

#preview-area {
  position: relative;
  display: flex;
  flex: 1;
  min-height: 0;
  padding: 4px 16px 12px;
}
/* The stage fills the preview area by flexing, not by a percentage height, which would
   not resolve when the area's own height comes from the layout. */
#stage {
  flex: 1;
  min-width: 0;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
/* One <video> per timeline line, stacked in layer order inside the canvas. */
#canvas {
  position: relative;
  display: none;
  overflow: hidden;
  background: #000;
  border-radius: 4px;
}
#canvas video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #000;
}
#canvas video.off { display: none; }
#stage.has-video #canvas { display: block; }
#stage.has-video #stage-empty { display: none; }

#stage-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  height: 100%;
  max-width: 100%;
  aspect-ratio: 16 / 9;
  padding: 0 24px;
  text-align: center;
  color: #a1a1aa;
  background: #000;
  border-radius: 4px;
}
#stage-empty p { margin: 0; }
#stage-empty .icon { margin-bottom: 8px; }
.empty-title { color: #e4e4e7; font-weight: 600; }

#fullscreen { position: absolute; right: 20px; bottom: 16px; }

/* ---------- Transport ---------- */
#transport {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 6px 12px;
  border-top: 1px solid var(--border);
  flex: none;
}
#transport .tools { display: flex; gap: 2px; }
#transport .tools-end { justify-content: flex-end; }
.playback { display: flex; align-items: center; gap: 2px; }
.controls { display: flex; align-items: center; gap: 2px; }
#time { margin-left: 12px; font: 13px var(--font-mono); color: var(--muted-foreground); font-variant-numeric: tabular-nums; }
#time b { color: var(--foreground); font-weight: 600; }

/* ---------- Timeline ---------- */
#timeline {
  position: relative;
  height: 320px;
  flex: none;
  border-top: 1px solid var(--border);
}
#tl-scroll { height: 100%; overflow: auto; }
#tl-content { position: relative; min-height: 100%; min-width: 100%; }

#ruler { position: relative; height: 34px; cursor: pointer; }
.tick { position: absolute; bottom: 4px; width: 1px; height: 5px; background: var(--input); pointer-events: none; }
.tick.major { height: 9px; background: var(--subtle-foreground); }
.tick-label {
  position: absolute;
  top: 8px;
  font-size: 11px;
  color: var(--muted-foreground);
  transform: translateX(-50%);
  pointer-events: none;
}

/* Timeline lines: the "new line" strip on top, then one lane per line (highest layer first). */
#lanes { position: relative; padding: 6px 0 24px; }
.lane {
  position: relative;
  height: 60px;
  margin-bottom: 6px;
  background: var(--surface-2);
  border-radius: 6px;
}
.lane.drop-target { background: var(--primary-soft); }
.new-lane {
  display: flex;
  align-items: center;
  height: 30px;
  background: transparent;
  border: 2px dashed var(--input);
  border-radius: 8px;
  color: var(--muted-foreground);
  font-size: 12px;
}
.new-lane::before {
  content: "Drop here for a new line on top";
  position: sticky;
  left: 14px;
}
.new-lane-bottom::before { content: "Drop here for a new line at the bottom"; }
.new-lane.drop-target { border-color: var(--primary); background: var(--primary-soft); color: var(--foreground); }

/* Marks where a new line opens when a drop lands between two lines. */
#drop-line {
  position: absolute;
  z-index: 16;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
  pointer-events: none;
}

#drop-ghost {
  position: absolute;
  z-index: 15;
  height: 52px;
  background: rgba(255, 159, 28, 0.2);
  border: 2px dashed var(--primary);
  border-radius: 7px;
  pointer-events: none;
}

.clip {
  position: absolute;
  top: 4px;
  height: 52px;
  min-width: 4px;
  background: var(--primary-soft) left center / auto 100% repeat-x;
  border: 2px solid transparent;
  border-radius: 7px;
  overflow: hidden;
  cursor: grab;
}
.clip::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(rgba(0, 0, 0, 0.5), transparent 55%);
  pointer-events: none;
}
.clip.selected { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(255, 159, 28, 0.4); }
.clip.dragging { z-index: 20; opacity: 0.85; cursor: grabbing; box-shadow: var(--shadow-overlay); }

.clip-label {
  position: absolute;
  z-index: 1;
  left: 10px;
  right: 10px;
  top: 6px;
  font-size: 12px;
  color: #fff;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.7);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  pointer-events: none;
}
.clip-fx {
  position: absolute;
  z-index: 1;
  left: 10px;
  bottom: 6px;
  display: flex;
  gap: 4px;
  pointer-events: none;
}
.clip-fx span {
  padding: 0 6px;
  font-size: 10px;
  font-weight: 600;
  color: #fff;
  background: rgba(43, 45, 66, 0.8);
  border-radius: 4px;
}

.trim {
  position: absolute;
  z-index: 2;
  top: 0;
  bottom: 0;
  width: 12px;
  background: var(--primary);
  opacity: 0;
  cursor: ew-resize;
}
.trim::after {
  content: "";
  position: absolute;
  left: 4px;
  right: 4px;
  top: 16px;
  bottom: 16px;
  border-left: 1px solid rgba(43, 45, 66, 0.7);
  border-right: 1px solid rgba(43, 45, 66, 0.7);
}
.trim-start { left: 0; border-radius: 5px 0 0 5px; }
.trim-end { right: 0; border-radius: 0 5px 5px 0; }
.clip:hover .trim, .clip.selected .trim { opacity: 1; }

#playhead {
  position: absolute;
  z-index: 10;
  top: 0;
  bottom: 0;
  width: 2px;
  margin-left: -1px;
  background: var(--foreground);
  pointer-events: none;
}
.playhead-head {
  position: absolute;
  top: 6px;
  left: -6px;
  width: 14px;
  height: 20px;
  background: var(--foreground);
  border-radius: 4px 4px 8px 8px;
}

#zoom {
  position: absolute;
  right: 14px;
  bottom: 14px;
  display: flex;
  gap: 2px;
  padding: 2px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(24, 24, 27, 0.08);
}

/* ---------- Properties panel ---------- */
#props-panel { width: 280px; }
#props-panel h3 {
  margin: 18px 0 8px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted-foreground);
}
#prop-name { margin: 4px 0 0; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
#prop-meta { margin: 2px 0 0; font-size: 12px; color: var(--muted-foreground); }

.field-row { display: flex; gap: 10px; }
.field-row label { display: flex; flex-direction: column; gap: 4px; flex: 1; font-size: 12px; color: var(--muted-foreground); }

input[type="text"], input:not([type]) {
  width: 100%;
  height: 34px;
  padding: 0 10px;
  font: 13px var(--font-mono);
  text-align: center;
  color: var(--foreground);
  background: var(--hover);
  border: 1px solid transparent;
  border-radius: var(--radius);
  user-select: text;
}
input:focus { border-color: var(--primary); }
input.invalid { border-color: var(--destructive); }

.slider-row { display: grid; grid-template-columns: 32px 1fr 52px; align-items: center; gap: 8px; margin: 4px 0; font-size: 13px; }
.slider-row > span { color: var(--muted-foreground); }
.slider-row output { text-align: right; font: 12px var(--font-mono); color: var(--muted-foreground); }
/* Sliders drawn with the palette: a cream track and an orange thumb with a navy ring. */
input[type="range"] {
  width: 100%;
  height: 20px;
  margin: 0;
  background: transparent;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
}
input[type="range"]::-webkit-slider-runnable-track { height: 6px; background: var(--input); border-radius: 3px; }
input[type="range"]::-moz-range-track { height: 6px; background: var(--input); border-radius: 3px; }
input[type="range"]::-webkit-slider-thumb {
  width: 18px;
  height: 18px;
  margin-top: -6px;
  background: var(--primary);
  border: 2px solid var(--foreground);
  border-radius: 50%;
  -webkit-appearance: none;
  appearance: none;
}
input[type="range"]::-moz-range-thumb {
  width: 14px;
  height: 14px;
  background: var(--primary);
  border: 2px solid var(--foreground);
  border-radius: 50%;
}
input[type="range"]:disabled { cursor: default; opacity: 0.5; }

#mute .i-mute { display: none; }
#mute.is-muted .i-vol { display: none; }
#mute.is-muted .i-mute { display: inline-block; color: var(--destructive); }

#audio-note { margin: 4px 0 0; font-size: 12px; color: var(--muted-foreground); }
.hint { margin: 20px 0 0; font-size: 12px; color: var(--muted-foreground); }

/* ---------- Toast ---------- */
#toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 380px;
  max-width: min(720px, 90vw);
  padding: 12px 16px;
  color: #fff;
  background: var(--foreground);
  border-radius: 12px;
  box-shadow: var(--shadow-overlay);
  transform: translateX(-50%);
}
#toast.error { background: #7f1d1d; }
#toast.ok { background: #14532d; }
.toast-main { flex: 1; min-width: 0; }
#toast-msg { display: block; font-size: 13px; white-space: pre-wrap; user-select: text; }
#toast-bar { height: 6px; margin-top: 8px; overflow: hidden; background: rgba(255, 255, 255, 0.2); border-radius: 3px; }
#toast-fill { width: 0; height: 100%; background: var(--primary); transition: width 0.15s linear; }
#toast .btn-outline { color: #fff; background: transparent; border-color: rgba(255, 255, 255, 0.4); }
#toast .btn-outline:hover:not(:disabled) { background: rgba(255, 255, 255, 0.12); }
#toast .icon-btn { color: #fff; }
#toast .icon-btn:hover:not(:disabled) { background: rgba(255, 255, 255, 0.15); }

/* ---------- Responsive ---------- */

/* The clip settings button only exists where that panel is a sheet (small screens). */
.props-toggle { display: none; }

/* Dragging on a clip, a trim handle or the ruler must not scroll the page on touch screens;
   an empty part of the timeline still pans it. */
.clip, .trim, #ruler { touch-action: none; }

/* Narrower desktop windows and tablets: slimmer side panels. */
@media (max-width: 1100px) {
  #app { grid-template-columns: 220px minmax(0, 1fr) auto; }
  #app.media-collapsed { grid-template-columns: 52px minmax(0, 1fr) auto; }
  #props-panel { width: 248px; }
}

/* Phones and small tablets: one column that fills the screen. The editor takes all the room
   left over; My media is a strip of thumbnails pinned to the bottom; clip settings open as
   a sheet over everything. (If the screen is too short, the page scrolls instead.) */
@media (max-width: 860px) {
  html, body { height: auto; min-height: 100%; }
  body { overflow-x: hidden; }

  #app {
    display: flex;
    flex-direction: column;
    height: auto;
    min-height: 100vh;
    min-height: 100dvh;
    padding: 8px;
    padding-bottom: max(8px, env(safe-area-inset-bottom));
  }
  #editor { order: 1; flex: 1 1 auto; }
  #media-panel { order: 2; flex: none; }

  #topbar { height: 48px; padding: 0 8px; }
  #preview-area { flex: 1 1 auto; height: auto; min-height: 150px; padding: 4px 8px 8px; }
  #fullscreen { right: 12px; bottom: 12px; }

  /* Row 1: the playback controls. Row 2: the time on the left and the edit tools
     (split, delete, settings) on the right. */
  #transport {
    display: grid;
    grid-template-columns: 1fr auto;
    grid-template-areas: "controls controls" "time tools";
    align-items: center;
    gap: 0 8px;
    padding: 4px 8px;
  }
  #transport .playback { display: contents; }
  #transport .controls { grid-area: controls; justify-self: center; }
  #transport #time { grid-area: time; margin-left: 4px; font-size: 12px; }
  #transport .tools { grid-area: tools; justify-self: end; }
  #transport .tools-end { display: none; }
  .props-toggle { display: inline-flex; }

  #timeline { height: 252px; }
  #zoom { right: 8px; bottom: 8px; }

  /* My media: a horizontal strip, with Import first. */
  #media-panel .panel-head { display: none; }
  #media-panel .panel-body { display: flex; align-items: flex-start; gap: 10px; padding: 10px 12px; overflow: auto hidden; }
  #media-panel .btn-block { width: auto; flex: none; }
  #media-empty { margin: 0; align-self: center; text-align: left; }
  #media-list { display: flex; gap: 10px; margin: 0; }
  .media-item { flex: none; width: 132px; margin: 0; }
  #app.media-collapsed #media-panel .panel-body { display: flex; }

  /* Clip settings: a bottom sheet, opened with the sliders button. */
  #props-panel {
    position: fixed;
    left: 8px;
    right: 8px;
    bottom: max(8px, env(safe-area-inset-bottom));
    z-index: 40;
    width: auto;
    max-height: 62vh;
    max-height: 62dvh;
    box-shadow: var(--shadow-overlay);
  }

  #toast {
    left: 8px;
    right: 8px;
    bottom: max(8px, env(safe-area-inset-bottom));
    min-width: 0;
    max-width: none;
    transform: none;
  }
}

/* Screens without a mouse: there is no hover, so the thumbnail buttons stay visible,
   and everything you touch gets a larger target. */
@media (hover: none) {
  .media-actions {
    align-items: flex-start;
    justify-content: flex-end;
    padding: 6px;
    background: transparent;
    opacity: 1;
  }
  .media-actions button { width: 32px; height: 32px; box-shadow: 0 1px 4px rgba(0, 0, 0, 0.3); }
}

@media (pointer: coarse) {
  .btn { height: 40px; }
  .icon-btn { min-width: 40px; height: 40px; }
  .play-btn { width: 44px; height: 44px; }
  .trim { width: 20px; }
  input[type="range"] { height: 28px; }
}