/* stage.css — web Perform stage (window.JamnStage), styled to match the
 * native desktop PerformView. Built on the shared --jamn-* tokens from
 * jam.css with local fallbacks so the stage also renders standalone. */

.jstage {
  --js-bg: var(--jamn-bg, #0B0B0F);
  --js-surface1: var(--jamn-surface1, #14141A);
  --js-surface2: var(--jamn-surface2, #1C1C24);
  --js-border: var(--jamn-border, #2A2A36);
  --js-accent: var(--jamn-accent, #8B5CF6);
  --js-success: var(--jamn-success, #22C55E);
  --js-danger: var(--jamn-danger, #EF4444);
  --js-text: var(--jamn-text, #FFFFFF);
  --js-text2: var(--jamn-text2, #A1A1AA);
  --js-radius-sm: var(--jamn-radius-sm, 8px);
  --js-radius-md: var(--jamn-radius-md, 12px);
  --js-radius-lg: var(--jamn-radius-lg, 16px);

  /* Single column: the fretboard + strips take the FULL width. The mixer
     is no longer a persistent side panel — it opens as a popover. */
  position: relative;
  display: block;
  color: var(--js-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.jstage-main {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
}

/* ---- song header ---- */
.jstage-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: var(--js-surface1);
  border: 1px solid var(--js-border);
  border-radius: var(--js-radius-lg);
}
.jstage-art {
  width: 44px;
  height: 44px;
  border-radius: var(--js-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: rgba(255, 255, 255, 0.55);
  flex: none;
  overflow: hidden; /* clip real cover art to the rounded tile */
}
.jstage-art--img { background: none; }
.jstage-art-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: inherit;
}
.jstage-header-text { min-width: 0; }
.jstage-title {
  font-size: 16px;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.jstage-meta {
  font-size: 12px;
  color: var(--js-text2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ---- tone match banner ---- */
.jstage-tone {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: linear-gradient(90deg,
    color-mix(in srgb, var(--js-accent) 16%, var(--js-surface1)),
    var(--js-surface1));
  border: 1px solid var(--js-border);
  border-radius: var(--js-radius-lg);
}
.jstage-tone-text { flex: 1; min-width: 0; }
.jstage-tone-head {
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-wrap: wrap;
}
.jstage-tone-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--js-accent);
}
.jstage-tone-name { font-size: 14px; font-weight: 600; }
.jstage-tone-tier {
  font-size: 10px;
  padding: 1px 8px;
  border-radius: 999px;
  border: 1px solid var(--js-border);
  color: var(--js-text2);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.jstage-tone-tier--high { color: var(--js-success); border-color: var(--js-success); }
.jstage-tone-why {
  font-size: 12px;
  color: var(--js-text2);
  margin-top: 2px;
}
.jstage-tone-actions { display: flex; gap: 6px; flex: none; }

/* ---- display layers row ---- */
.jstage-layers {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  padding: 8px 14px;
  background: var(--js-surface1);
  border: 1px solid var(--js-border);
  border-radius: var(--js-radius-md);
}
.jstage-layers-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--js-text2);
  margin-right: 2px;
}
.jstage-layers-spacer { flex: 1; }
.jstage-chip {
  font-size: 12px;
  font-weight: 600;
  padding: 6px 13px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  background: color-mix(in srgb, var(--js-text) 12%, transparent);
  color: var(--js-text2);
  transition: background 0.15s, color 0.15s;
}
.jstage-chip--on { background: var(--js-accent); color: #fff; }
.jstage-chip--ghost { background: transparent; }
.jstage-chip--disabled { opacity: 0.4; cursor: not-allowed; }
.jstage-chip:not(.jstage-chip--disabled):hover {
  filter: brightness(1.15);
}

/* ---- fretboard stage ---- */
.jstage-board-wrap {
  position: relative;
  background: #131017;
  border: 1px solid var(--js-border);
  border-radius: var(--js-radius-lg);
  overflow: hidden;
  min-height: 260px;
  flex: 1;
}
.jstage-board {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 260px;
}
.jstage-chord-overlay {
  position: absolute;
  top: 10px;
  left: 16px;
  display: flex;
  align-items: baseline;
  gap: 14px;
  pointer-events: none;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.7);
}
.jstage-chord-now {
  font-size: 52px;
  font-weight: 800;
  line-height: 1;
}
.jstage-chord-next {
  font-size: 22px;
  font-weight: 500;
  color: var(--js-text2);
}

/* ---- TAB reference card ---- */
.jstage-tabcard {
  background: var(--js-surface1);
  border: 1px solid var(--js-border);
  border-radius: var(--js-radius-md);
  padding: 10px 12px;
}
.jstage-card-head {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
}
.jstage-card-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--js-accent);
}
.jstage-tab {
  display: block;
  width: 100%;
  height: 130px;
}

/* ---- chord timeline chips ---- */
.jstage-chips {
  display: flex;
  gap: 6px;
  overflow: hidden;
  min-height: 40px;
  align-items: center;
}
.jstage-chordchip {
  font-size: 14px;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: var(--js-radius-sm);
  border: none;
  cursor: pointer;
  background: color-mix(in srgb, var(--js-text) 9%, transparent);
  color: var(--js-text);
  flex: none;
}
.jstage-chordchip--now {
  background: var(--js-accent);
  color: #fff;
  font-weight: 800;
  box-shadow: 0 0 12px color-mix(in srgb, var(--js-accent) 55%, transparent);
}

/* ---- section strip ---- */
.jstage-sections {
  position: relative;
  height: 40px;
  background: var(--js-surface1);
  border: 1px solid var(--js-border);
  border-radius: var(--js-radius-sm);
  overflow: hidden;
}
.jstage-section {
  position: absolute;
  top: 4px;
  bottom: 4px;
  border-radius: 4px;
  background: color-mix(in srgb, var(--js-text) 10%, transparent);
  color: var(--js-text2);
  font-size: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  white-space: nowrap;
  text-transform: capitalize;
  cursor: pointer;
}
.jstage-section--now {
  background: color-mix(in srgb, var(--js-accent) 50%, transparent);
  color: #fff;
  font-weight: 700;
}
.jstage-section-playhead {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2px;
  background: rgba(239, 68, 68, 0.85);
  pointer-events: none;
}

/* ---- transport ---- */
.jstage-transport {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  padding: 10px 14px;
  background: var(--js-surface1);
  border: 1px solid var(--js-border);
  border-radius: var(--js-radius-lg);
}
.jstage-play {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  background: var(--js-accent);
  color: #fff;
  font-size: 15px;
  flex: none;
}
.jstage-time {
  font-size: 11px;
  font-variant-numeric: tabular-nums;
  color: var(--js-text2);
  min-width: 34px;
  text-align: center;
}
.jstage-pos { flex: 1; min-width: 120px; }
.jstage-tdiv {
  width: 1px;
  height: 20px;
  background: var(--js-border);
  flex: none;
}
.jstage-tgroup {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.jstage-ticon { font-size: 12px; }
.jstage-rate { width: 90px; }
.jstage-vol { width: 90px; }
.jstage-btn {
  font-size: 11px;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: var(--js-radius-sm);
  border: 1px solid var(--js-border);
  background: var(--js-surface2);
  color: var(--js-text);
  cursor: pointer;
}
.jstage-btn--accent { background: var(--js-accent); border-color: var(--js-accent); color: #fff; }
.jstage-btn--ghost { background: transparent; border-color: transparent; color: var(--js-text2); }
.jstage-loop-chip {
  font-size: 11px;
  font-variant-numeric: tabular-nums;
  padding: 3px 9px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--js-accent) 22%, transparent);
}
.jstage-rec {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--js-border);
  background: var(--js-surface2);
  color: var(--js-danger);
  font-size: 13px;
  cursor: pointer;
  flex: none;
}
.jstage-rec:disabled { opacity: 0.35; cursor: not-allowed; }
.jstage-rec--on {
  background: var(--js-danger);
  color: #fff;
  box-shadow: 0 0 10px color-mix(in srgb, var(--js-danger) 60%, transparent);
}

/* ---- range inputs, tinted to the accent ---- */
.jstage input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  border-radius: 2px;
  background: color-mix(in srgb, var(--js-text) 18%, transparent);
  outline: none;
}
.jstage input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--js-accent);
  border: 2px solid #fff;
  cursor: pointer;
}
.jstage input[type="range"]::-moz-range-thumb {
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--js-accent);
  border: 2px solid #fff;
  cursor: pointer;
}

/* ---- mixer popover ---- */
.jstage-mixer-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(0, 0, 0, 0.55);
  -webkit-backdrop-filter: blur(2px);
  backdrop-filter: blur(2px);
}
.jstage-mixer-overlay[hidden] { display: none; }
.jstage-mixer-modal {
  width: 320px;
  max-width: 100%;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  background: var(--js-surface1);
  border: 1px solid var(--js-border);
  border-radius: var(--js-radius-lg);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.55);
  overflow: hidden;
}
.jstage-mixer-modalhead {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px 10px;
  flex: none;
}
.jstage-mixer-close {
  font-size: 18px;
  line-height: 1;
  padding: 2px 9px;
}
.jstage-mixer {
  background: transparent;
  padding: 0 16px 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  overflow-y: auto;
}
.jstage-mixer-title { font-size: 15px; font-weight: 700; }
.jstage-mixer-div { height: 1px; background: var(--js-border); }
.jstage-mixer-empty { font-size: 12px; color: var(--js-text2); }
.jstage-strip {
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: opacity 0.15s;
}
.jstage-strip--dim { opacity: 0.4; }
.jstage-strip-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.jstage-strip-name {
  font-size: 13px;
  text-transform: capitalize;
}
.jstage-strip-name--song { font-weight: 700; }
.jstage-strip-btns { display: flex; gap: 4px; }
.jstage-ms {
  width: 24px;
  height: 22px;
  font-size: 11px;
  font-weight: 700;
  border-radius: 5px;
  border: 1px solid var(--js-border);
  background: var(--js-surface2);
  color: var(--js-text2);
  cursor: pointer;
}
.jstage-ms--muted { background: var(--js-danger); border-color: var(--js-danger); color: #fff; }
.jstage-ms--soloed { background: #EAB308; border-color: #EAB308; color: #1a1a1a; }
.jstage-fader { width: 100%; }