/* =========================================================================
   NUNISYNTH — Audio Editor (Audacity-style) — ROUGH UI SKETCH
   Self-contained stylesheet. Uses the app's --colorN theme variables when
   present, with sensible fallbacks.
   ========================================================================= */

:root {
  --ae-bg:        var(--color0, #1c1c1c);
  --ae-panel:     var(--color1, #2a2a2a);
  --ae-panel-2:   var(--color2, #333);
  --ae-edge:      var(--color4, #5a5a5a);
  --ae-text:      var(--color5, #c9c6cf);
  --ae-text-dim:  #8a8790;
  --ae-accent:    #4ea1ff;
  --ae-accent-2:  #ffb74e;
  --ae-wave:      #6fd1ff;
  --ae-wave-bg:   #16313f;
  --ae-sel:       rgba(78, 161, 255, 0.22);
  --ae-track-h:   118px;
}

/* ---- overlay shell ---------------------------------------------------- */

.ae-overlay {
  position: fixed;
  inset: 0;
  z-index: 9000;
  display: none;
  flex-direction: column;
  background: var(--ae-bg);
  color: var(--ae-text);
  font-family: nunito, "Segoe UI", system-ui, sans-serif;
  font-size: 13px;
  user-select: none;
}
.ae-overlay.show { display: flex; }

.ae-overlay * { box-sizing: border-box; }

.ae-row { display: flex; align-items: center; gap: 6px; }

/* ---- title bar -------------------------------------------------------- */

.ae-titlebar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 10px;
  background: linear-gradient(180deg, var(--ae-panel-2), var(--ae-panel));
  border-bottom: 1px solid #000;
}
.ae-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  letter-spacing: 0.5px;
}
.ae-title .ae-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--ae-accent); box-shadow: 0 0 6px var(--ae-accent); }
.ae-title small { font-weight: 400; color: var(--ae-text-dim); }
.ae-winbtns { display: flex; gap: 4px; }
.ae-winbtns button {
  width: 26px; height: 22px;
  border: 1px solid var(--ae-edge);
  background: var(--ae-panel-2);
  color: var(--ae-text);
  border-radius: 4px;
  cursor: pointer;
}
.ae-winbtns button:hover { background: var(--ae-edge); }
.ae-winbtns .ae-close:hover { background: #c0392b; color: #fff; }

/* ---- menu bar --------------------------------------------------------- */

.ae-menubar {
  display: flex;
  align-items: stretch;
  background: var(--ae-panel);
  border-bottom: 1px solid #000;
  padding: 0 4px;
}
.ae-menu { position: relative; }
.ae-menu > button {
  border: none;
  background: transparent;
  color: var(--ae-text);
  padding: 6px 10px;
  cursor: pointer;
  font-size: 13px;
}
.ae-menu:hover > button { background: var(--ae-accent); color: #06243f; }
.ae-menu-list {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: var(--ae-panel-2);
  border: 1px solid var(--ae-edge);
  box-shadow: 0 8px 20px rgba(0,0,0,0.5);
  z-index: 50;
  padding: 4px 0;
}
.ae-menu:hover > .ae-menu-list { display: block; }
.ae-menu-list a {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 5px 14px;
  color: var(--ae-text);
  text-decoration: none;
  white-space: nowrap;
}
.ae-menu-list a:hover { background: var(--ae-accent); color: #06243f; }
.ae-menu-list a kbd {
  color: var(--ae-text-dim);
  font-family: inherit;
  font-size: 11px;
}
.ae-menu-list a:hover kbd { color: #06243f; }
.ae-menu-sep { height: 1px; background: var(--ae-edge); margin: 4px 0; opacity: 0.5; }
.ae-menu-label { padding: 4px 14px; font-size: 11px; text-transform: uppercase; letter-spacing: 1px; color: var(--ae-text-dim); }
/* submenu arrow hint */
.ae-menu-list a.has-sub::after { content: "›"; color: var(--ae-text-dim); }

/* ---- toolbars row ----------------------------------------------------- */

.ae-toolbars {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
  padding: 5px 8px;
  background: linear-gradient(180deg, var(--ae-panel-2), var(--ae-panel));
  border-bottom: 1px solid #000;
}
.ae-toolgroup {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 2px 6px;
  border: 1px solid var(--ae-edge);
  border-radius: 6px;
  background: rgba(0,0,0,0.18);
}
.ae-toolgroup .ae-handle { color: var(--ae-text-dim); cursor: grab; padding-right: 2px; font-size: 11px; }
.ae-tbtn {
  min-width: 30px;
  height: 28px;
  padding: 0 6px;
  border: 1px solid transparent;
  border-radius: 5px;
  background: var(--ae-panel-2);
  color: var(--ae-text);
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.ae-tbtn:hover { border-color: var(--ae-accent); background: var(--ae-edge); }
.ae-tbtn.active { background: var(--ae-accent); color: #06243f; border-color: var(--ae-accent); }
.ae-tbtn.rec { color: #ff5b5b; }
.ae-tbtn.rec:hover { background: #5a1414; }

/* meters */
.ae-meters { display: flex; flex-direction: column; gap: 3px; padding: 3px 8px; }
.ae-meter {
  position: relative;
  width: 200px; height: 9px;
  background: #0c0c0c;
  border: 1px solid #000;
  border-radius: 2px;
  overflow: hidden;
}
.ae-meter::before {
  content: "";
  position: absolute; inset: 0;
  width: var(--lvl, 60%);
  background: linear-gradient(90deg, #2ecc71 0%, #2ecc71 60%, #f1c40f 80%, #e74c3c 100%);
}
.ae-meter.rec::before { background: linear-gradient(90deg, #c0392b, #e74c3c); width: var(--lvl, 0%); }
.ae-meter-scale {
  display: flex; justify-content: space-between;
  width: 200px; font-size: 9px; color: var(--ae-text-dim);
}

/* ---- editor body: ruler + tracks ------------------------------------- */

.ae-body {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
}

/* timeline ruler spans the full width, aligned with track lanes */
.ae-ruler {
  display: flex;
  height: 26px;
  background: var(--ae-panel);
  border-bottom: 1px solid #000;
}
.ae-ruler-corner {
  width: var(--ae-trackctl-w, 220px);
  flex: 0 0 var(--ae-trackctl-w, 220px);
  border-right: 1px solid #000;
  background: var(--ae-panel-2);
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; color: var(--ae-text-dim);
}
.ae-ruler-scale {
  position: relative;
  flex: 1 1 auto;
  overflow: hidden;
  background:
    repeating-linear-gradient(90deg,
      transparent 0, transparent 99px,
      rgba(255,255,255,0.18) 99px, rgba(255,255,255,0.18) 100px);
}
.ae-ruler-tick {
  position: absolute;
  top: 0; bottom: 0;
  font-size: 10px;
  color: var(--ae-text-dim);
  padding-left: 4px;
  border-left: 1px solid rgba(255,255,255,0.25);
}
/* selection band shown across ruler + tracks */
.ae-selection-band {
  position: absolute;
  top: 0; bottom: 0;
  left: 28%;
  width: 16%;
  background: var(--ae-sel);
  border-left: 1px solid var(--ae-accent);
  border-right: 1px solid var(--ae-accent);
  pointer-events: none;
}
.ae-playhead {
  position: absolute;
  top: 0; bottom: 0;
  left: 28%;
  width: 0;
  border-left: 1px solid var(--ae-accent-2);
  box-shadow: 0 0 4px var(--ae-accent-2);
  pointer-events: none;
}

.ae-tracks {
  flex: 1 1 auto;
  overflow-y: auto;
  overflow-x: hidden;
  position: relative;
  background:
    repeating-linear-gradient(0deg, transparent 0, transparent 39px, rgba(255,255,255,0.03) 39px, rgba(255,255,255,0.03) 40px);
}

.ae-track {
  display: flex;
  height: var(--ae-track-h);
  border-bottom: 1px solid #000;
}
.ae-track.selected .ae-track-ctl { box-shadow: inset 3px 0 0 var(--ae-accent); }

/* per-track control panel (left, like Audacity's track panel) */
.ae-track-ctl {
  width: var(--ae-trackctl-w, 220px);
  flex: 0 0 var(--ae-trackctl-w, 220px);
  background: var(--ae-panel);
  border-right: 1px solid #000;
  padding: 6px 8px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.ae-track-name-row { display: flex; align-items: center; gap: 4px; }
.ae-track-name {
  flex: 1 1 auto;
  background: var(--ae-panel-2);
  border: 1px solid var(--ae-edge);
  color: var(--ae-text);
  border-radius: 4px;
  padding: 2px 6px;
  font-size: 12px;
  min-width: 0;
}
.ae-track-x, .ae-track-collapse {
  border: 1px solid var(--ae-edge);
  background: var(--ae-panel-2);
  color: var(--ae-text);
  border-radius: 4px;
  width: 22px; height: 22px;
  cursor: pointer;
}
.ae-track-x:hover { background: #5a1414; color: #fff; }

.ae-track-buttons { display: flex; gap: 4px; }
.ae-mini {
  border: 1px solid var(--ae-edge);
  background: var(--ae-panel-2);
  color: var(--ae-text);
  border-radius: 4px;
  padding: 2px 8px;
  font-size: 11px;
  cursor: pointer;
}
.ae-mini.mute.active { background: #b9770e; color: #fff; border-color: #b9770e; }
.ae-mini.solo.active { background: #1f6f8b; color: #fff; border-color: #1f6f8b; }

.ae-slider-row { display: flex; align-items: center; gap: 6px; font-size: 10px; color: var(--ae-text-dim); }
.ae-slider-row input[type="range"] { flex: 1 1 auto; height: 14px; }
.ae-slider-row .ae-slider-cap { width: 12px; text-align: center; }

.ae-track-meta { font-size: 10px; color: var(--ae-text-dim); margin-top: auto; }

/* waveform lane */
.ae-track-lane {
  flex: 1 1 auto;
  position: relative;
  overflow: hidden;
  background: var(--ae-wave-bg);
}
.ae-track-lane.empty {
  display: flex; align-items: center; justify-content: center;
  color: var(--ae-text-dim);
  background: var(--ae-panel-2);
  font-style: italic;
}
/* fake waveform — purely decorative SVG-ish gradient blocks */
.ae-wave {
  position: absolute; inset: 0;
  background:
    linear-gradient(var(--ae-wave), var(--ae-wave)) center / 100% 1px no-repeat;
}
.ae-wave canvas, .ae-wave svg { display: block; width: 100%; height: 100%; }
.ae-wave .ae-clip-name {
  position: absolute; top: 2px; left: 6px;
  font-size: 10px; color: var(--ae-text-dim);
  background: rgba(0,0,0,0.35); padding: 1px 5px; border-radius: 3px;
}
.ae-lane-sel {
  position: absolute; top: 0; bottom: 0;
  left: 28%; width: 16%;
  background: var(--ae-sel);
  border-left: 1px solid var(--ae-accent);
  border-right: 1px solid var(--ae-accent);
}
.ae-lane-playhead {
  position: absolute; top: 0; bottom: 0; left: 28%;
  border-left: 1px solid var(--ae-accent-2);
}

/* "add track" affordance */
.ae-add-track {
  margin: 10px;
  padding: 14px;
  border: 1px dashed var(--ae-edge);
  border-radius: 8px;
  text-align: center;
  color: var(--ae-text-dim);
  cursor: pointer;
}
.ae-add-track:hover { border-color: var(--ae-accent); color: var(--ae-accent); }

/* ---- selection toolbar (bottom) -------------------------------------- */

.ae-selbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  padding: 5px 10px;
  background: linear-gradient(0deg, var(--ae-panel-2), var(--ae-panel));
  border-top: 1px solid #000;
  font-size: 12px;
}
.ae-field { display: flex; align-items: center; gap: 5px; }
.ae-field label { color: var(--ae-text-dim); }
.ae-field input, .ae-field select {
  background: #0c0c0c;
  border: 1px solid var(--ae-edge);
  color: var(--ae-wave);
  border-radius: 3px;
  padding: 2px 5px;
  font-family: "digital-7", nunito, monospace;
  font-size: 13px;
}
.ae-field input.ae-time { width: 92px; text-align: right; letter-spacing: 1px; }
.ae-field .ae-radio { display: flex; gap: 2px; }
.ae-field .ae-radio button {
  border: 1px solid var(--ae-edge); background: var(--ae-panel); color: var(--ae-text-dim);
  padding: 1px 6px; font-size: 10px; cursor: pointer;
}
.ae-field .ae-radio button.active { background: var(--ae-accent); color: #06243f; }

/* ---- status bar ------------------------------------------------------- */

.ae-statusbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 3px 12px;
  background: var(--ae-bg);
  border-top: 1px solid #000;
  font-size: 11px;
  color: var(--ae-text-dim);
}
.ae-statusbar .ae-status-msg { color: var(--ae-text); }

/* ---- launcher button (in the existing Samples tab) ------------------- */

.ae-launch-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 8px 0;
  padding: 8px 14px;
  border: 1px solid var(--ae-accent);
  border-radius: 8px;
  background: rgba(78,161,255,0.12);
  color: var(--ae-accent);
  cursor: pointer;
  font-size: 13px;
}
.ae-launch-btn:hover { background: rgba(78,161,255,0.25); }

/* small responsive nicety */
@media (max-width: 1100px) {
  :root { --ae-trackctl-w: 170px; }
  .ae-meter, .ae-meter-scale { width: 130px; }
}

/* =========================================================================
   Live editor additions (canvas lanes, ruler canvas, scrollbar, dialogs)
   ========================================================================= */

.ae-overlay { --ae-trackctl-w: 220px; }

/* ruler is now a canvas */
.ae-ruler-scale { background: var(--ae-panel); }
#ae-ruler-canvas { display: block; width: 100%; height: 100%; cursor: ew-resize; }
.ae-ruler-corner { white-space: nowrap; padding: 0 6px; }

/* track lane holds a canvas the JS draws into */
.ae-track-lane { background: var(--ae-wave-bg); cursor: text; }
.ae-track-lane.tool-zoom  { cursor: zoom-in; }
.ae-track-lane.tool-shift { cursor: grab; }
.ae-track-lane.tool-multi { cursor: crosshair; }
.ae-track-lane.near-edge  { cursor: ew-resize; }
.ae-wave-canvas { display: block; width: 100%; height: 100%; }

/* per-track vertical resize handle */
.ae-track { position: relative; }
.ae-track-resize {
  position: absolute; left: 0; right: 0; bottom: -3px; height: 6px;
  cursor: ns-resize; z-index: 3;
}

/* track ctl tweaks */
.ae-track-ctl { position: relative; }
.ae-track-ctl .ae-readout {
  font-family: "digital-7", nunito, monospace; font-size: 11px; color: var(--ae-wave);
}
.ae-track.muted .ae-track-lane { opacity: 0.45; }
.ae-track.solo-dim .ae-track-lane { opacity: 0.35; }

/* horizontal scrollbar */
.ae-hscroll { display: flex; height: 14px; background: var(--ae-panel); border-top: 1px solid #000; }
.ae-hscroll-corner {
  width: var(--ae-trackctl-w, 220px); flex: 0 0 var(--ae-trackctl-w, 220px);
  background: var(--ae-panel-2); border-right: 1px solid #000;
}
.ae-hscroll-track { flex: 1 1 auto; position: relative; background: #0c0c0c; }
.ae-hscroll-thumb {
  position: absolute; top: 2px; bottom: 2px; left: 0; min-width: 24px; width: 30%;
  background: var(--ae-edge); border-radius: 6px; cursor: grab;
}
.ae-hscroll-thumb:hover { background: var(--ae-text-dim); }
.ae-hscroll-thumb.dragging { cursor: grabbing; background: var(--ae-accent); }

/* tool button shows active tool */
.ae-tbtn[data-toggle].active { background: var(--ae-accent); color: #06243f; border-color: var(--ae-accent); }

/* keyboard shortcuts overlay */
.ae-shortcuts {
  position: absolute; inset: 0; z-index: 200;
  background: rgba(0,0,0,0.55); display: flex; align-items: center; justify-content: center;
}
.ae-shortcuts[hidden] { display: none; }
.ae-shortcuts-card {
  background: var(--ae-panel-2); border: 1px solid var(--ae-edge); border-radius: 10px;
  padding: 16px 20px; max-width: 720px; max-height: 80%; overflow: auto;
  box-shadow: 0 20px 50px rgba(0,0,0,0.6);
}
.ae-shortcuts-card h3 { margin: 0 0 12px; font-size: 15px; }
.ae-shortcuts-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3px 24px; font-size: 12px; }
.ae-shortcuts-grid .k {
  display: inline-block; background: #0c0c0c; border: 1px solid var(--ae-edge);
  border-radius: 4px; padding: 0 6px; margin-right: 8px; color: var(--ae-wave); font-size: 11px;
}
.ae-shortcuts-grid > div { padding: 3px 0; border-bottom: 1px solid rgba(255,255,255,0.06); }
.ae-shortcuts-grid .head { grid-column: 1 / -1; font-weight: 700; color: var(--ae-text-dim);
  text-transform: uppercase; letter-spacing: 1px; font-size: 10px; padding-top: 10px; border: none; }

/* selbar invalid input */
.ae-field input.bad { border-color: #e74c3c; color: #e74c3c; }

/* =========================================================================
   Context menu + clip-model UI polish
   ========================================================================= */

.ae-ctxmenu {
  position: absolute; z-index: 300;
  min-width: 196px; padding: 4px 0;
  background: var(--ae-panel-2); border: 1px solid var(--ae-edge); border-radius: 8px;
  box-shadow: 0 12px 32px rgba(0,0,0,0.55);
  font-size: 12.5px; color: var(--ae-text);
}
.ae-ctxmenu[hidden] { display: none; }
.ae-ctx-item { padding: 5px 16px 5px 14px; cursor: pointer; white-space: nowrap; }
.ae-ctx-item:hover { background: var(--ae-accent); color: #06243f; }
.ae-ctx-item.disabled { opacity: 0.4; pointer-events: none; }
.ae-ctx-sep { height: 1px; margin: 4px 0; background: var(--ae-edge); opacity: 0.5; }

/* "Mono/Stereo" pill is clickable */
.ae-mini.ghost { background: transparent; border-style: dashed; opacity: 0.85; }
.ae-mini.ghost:hover { border-color: var(--ae-accent); color: var(--ae-accent); opacity: 1; }

/* track row polish */
.ae-track-ctl { gap: 4px; }
.ae-track.selected { background: rgba(78,161,255,0.05); }
.ae-track-resize:hover { background: rgba(78,161,255,0.25); }
.ae-readout { font-family: "digital-7", nunito, monospace; font-size: 11px; color: var(--ae-wave); }

/* lane cursors per tool */
.ae-track-lane.tool-select { cursor: text; }
.ae-track-lane.tool-shift  { cursor: default; }
.ae-track-lane.tool-draw   { cursor: crosshair; }
.ae-track-lane.tool-zoom   { cursor: zoom-in; }
.ae-track-lane.tool-multi  { cursor: crosshair; }
.ae-track-lane.near-edge   { cursor: ew-resize !important; }

/* hide the legacy ruler-tick / band placeholders that the JS no longer uses */
.ae-ruler-scale { background-image: none; }