:root {
  --panel-bg: rgba(18, 10, 20, 0.82);
  --panel-border: rgba(190, 130, 220, 0.25);
  --accent: #c77bdc;
  --accent-dim: #8a5a9e;
  --text: #e9dff0;
  --text-dim: #a893b5;
}

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

html, body {
  width: 100%; height: 100%;
  overflow: hidden;
  background: #000;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  color: var(--text);
  -webkit-tap-highlight-color: transparent;
}

#glcanvas {
  position: fixed; inset: 0;
  width: 100%; height: 100%;
  display: block;
  touch-action: none;   /* swipe / pinch / double-tap are handled by the app */
}

/* ---- Keyframe buttons ---- */
.kf-btn {
  float: right;
  margin-left: 8px;
  background: none;
  border: 1px solid transparent;
  color: var(--text-dim);
  font-size: 11px;
  line-height: 1;
  padding: 2px 5px;
  border-radius: 5px;
  cursor: pointer;
  font-variant-numeric: tabular-nums;
}
.kf-btn:hover { border-color: var(--panel-border); color: var(--text); }
.kf-btn.has-kf { color: #f0c060; }

/* ---- Menu button (logo) ---- */
#menuBtn {
  position: fixed;
  left: 18px; bottom: 18px;
  width: 64px; height: 64px;
  border-radius: 50%;
  border: 1px solid var(--panel-border);
  background: var(--panel-bg);
  backdrop-filter: blur(8px);
  color: var(--accent);
  cursor: pointer;
  padding: 6px;
  transition: opacity 0.6s, transform 0.25s, color 0.25s;
  z-index: 20;
}
#menuBtn:hover { transform: scale(1.08); color: #e6b8f5; }
#menuBtn svg { width: 100%; height: 100%; }

/* ---- Panel ---- */
#panel {
  position: fixed;
  top: 0; right: 0;
  width: 340px; max-width: 100vw;
  height: 100%;
  overflow-y: auto;
  background: var(--panel-bg);
  backdrop-filter: blur(14px);
  border-left: 1px solid var(--panel-border);
  padding: 0 18px 40px;
  z-index: 30;
  transition: transform 0.35s ease;
  overscroll-behavior: contain;
}
#panel.hidden { transform: translateX(105%); }

#panel header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 0 8px;
  position: sticky; top: 0;
  background: linear-gradient(rgba(18,10,20,0.95), rgba(18,10,20,0.7) 80%, transparent);
}
#panel h1 { font-size: 15px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); }
#closePanel {
  background: none; border: none; color: var(--text-dim);
  font-size: 26px; cursor: pointer; line-height: 1;
}
#closePanel:hover { color: var(--text); }

#panel section {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid rgba(190,130,220,0.12);
}
#panel h2 {
  font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--text-dim); margin-bottom: 10px;
  cursor: pointer; user-select: none;
  display: flex; align-items: center; gap: 8px;
}
#panel h2::before {
  content: '\25BE'; font-size: 10px; color: var(--accent);
  transition: transform 0.2s; display: inline-block;
}
#panel section.collapsed > h2 { margin-bottom: 0; }
#panel section.collapsed > h2::before { transform: rotate(-90deg); }
#panel section.collapsed > *:not(h2) { display: none; }

#panel label {
  display: block;
  font-size: 12.5px;
  margin: 10px 0 4px;
  color: var(--text);
}
#panel label.inline { display: flex; align-items: center; gap: 7px; margin: 8px 0; }
.val { float: right; color: var(--text-dim); font-variant-numeric: tabular-nums; }

input[type="range"] {
  width: 100%;
  margin-top: 5px;
  accent-color: var(--accent);
  height: 22px;
}

.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin: 8px 0; }

.small-btn, .file-btn {
  display: inline-block;
  background: rgba(199,123,220,0.12);
  border: 1px solid var(--panel-border);
  color: var(--text);
  border-radius: 8px;
  padding: 7px 12px;
  font-size: 12.5px;
  cursor: pointer;
  transition: background 0.2s;
}
.small-btn:hover, .file-btn:hover { background: rgba(199,123,220,0.28); }
.small-btn:disabled { opacity: 0.4; cursor: default; }
.file-btn input { display: none; }
.small-btn.recording { background: rgba(220,60,60,0.4); border-color: rgba(255,90,90,0.6); }

input[type="number"], select {
  background: rgba(0,0,0,0.35);
  border: 1px solid var(--panel-border);
  color: var(--text);
  border-radius: 6px;
  padding: 6px 8px;
  font-size: 12.5px;
  width: 70px;
}
select { width: auto; }

/* ---- Presets ---- */
.preset-row { display: flex; gap: 8px; margin-bottom: 10px; }
.preset {
  width: 52px; height: 52px;
  border-radius: 10px;
  border: 2px solid transparent;
  background-size: cover;
  background-position: center;
  cursor: pointer;
  transition: transform 0.2s, border-color 0.2s;
}
.preset:hover { transform: scale(1.08); }
.preset.active { border-color: var(--accent); }

/* ---- Waveform strip ---- */
.wave-strip {
  display: block;
  width: 100%;
  height: 56px;
  border-radius: 8px;
  background: rgba(0,0,0,0.35);
  border: 1px solid rgba(190,130,220,0.15);
  touch-action: none;
  cursor: crosshair;
  margin-bottom: 6px;
}

/* Triggers: see trigger-ui.css (shared with Revulet Beats) */

/* ---- Timeline ---- */
.timeline-list { position: relative; display: flex; flex-direction: column; gap: 6px; max-height: 220px; overflow-y: auto; }
.timeline-item.dragging { border-color: #fff; }
.timeline-item.reordering { opacity: 0.45; }
.timeline-item.drop-target { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.t-idx {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  min-width: 30px; font-size: 12px; color: var(--text-dim);
  cursor: grab; touch-action: none; user-select: none; line-height: 1.1;
}
.t-idx:active { cursor: grabbing; }
.t-idx small { font-size: 9px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); }
.val-click { cursor: text; }
.val-click:hover { color: var(--text); text-decoration: underline dotted; }
.val-edit {
  float: right; width: 64px; padding: 1px 4px; font-size: 12px;
  background: rgba(0,0,0,0.5); border: 1px solid var(--accent); color: var(--text); border-radius: 4px;
}
.app-error { color: #ff9f9f; font-size: 11.5px; margin: 0 0 6px; word-break: break-word; }
.app-error:empty { display: none; }
/* the other Revulet app, one click away */
.app-switch {
  display: inline-block; margin: 2px 0 4px;
  font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--accent); text-decoration: none; opacity: 0.85;
}
.app-switch:hover { opacity: 1; text-decoration: underline; }
body.dropping #panel { box-shadow: inset 0 0 0 2px var(--accent); }
body.dropping #glcanvas { outline: 3px dashed rgba(199,123,220,0.65); outline-offset: -3px; }
.timeline-item {
  display: flex; align-items: center; gap: 8px;
  background: rgba(0,0,0,0.3);
  border: 1px solid rgba(190,130,220,0.15);
  border-radius: 8px;
  padding: 5px 8px;
}
.timeline-item.current { border-color: var(--accent); }
.timeline-item img { width: 38px; height: 38px; object-fit: cover; border-radius: 6px; }
.timeline-item .t-time {
  width: 64px; font-size: 12px;
}
.timeline-item .t-name { flex: 1; font-size: 11.5px; color: var(--text-dim); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.timeline-item .t-speed { width: 52px; font-size: 12px; }
.timeline-item .t-del { background: none; border: none; color: var(--text-dim); cursor: pointer; font-size: 16px; }
.timeline-item .t-del:hover { color: #ff8888; }

.track-info { font-size: 11.5px; color: var(--text-dim); margin: 4px 0; }

input[type="color"] {
  width: 40px; height: 30px;
  padding: 1px 2px;
  background: rgba(0,0,0,0.35);
  border: 1px solid var(--panel-border);
  border-radius: 6px;
  cursor: pointer;
}

.hint { font-size: 11px; color: var(--text-dim); margin-top: 10px; line-height: 1.6; }

/* ---- Toast ---- */
#toast {
  position: fixed;
  bottom: 24px; left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 10px 18px;
  font-size: 13px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s, transform 0.35s;
  z-index: 50;
}
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ---- Idle / immersive mode ---- */
body.idle #menuBtn { opacity: 0; pointer-events: none; }
body.idle { cursor: none; }
body.ui-hidden #menuBtn, body.ui-hidden #panel { display: none; }

/* ---- Mobile ---- */
@media (max-width: 600px) {
  #panel { width: 100%; border-left: none; }
  #menuBtn { width: 54px; height: 54px; left: 12px; bottom: 12px; }
}