/* sOURnd engine preview player. Everything is scoped under .sournd-preview. */
.sournd-preview {
  --sp-accent: var(--sournd-raspberry, #c2185b);
  --sp-primary: var(--sournd-petrol, #0b5560);
  --sp-text: var(--sournd-text, #1c2428);
  --sp-muted: var(--sournd-muted, #5b6a70);
  --sp-divider: var(--sournd-divider, #dbe2e4);
  --sp-border: var(--sournd-border-control, #8a9aa0);
  --sp-radius: var(--sournd-radius-control, 8px);
  box-sizing: border-box;
  display: grid;
  gap: 1rem;
  padding: 1.25rem;
  background: var(--card, #fff);
  border: 1px solid var(--sp-divider);
  border-radius: var(--sournd-radius-card, 14px);
  color: var(--sp-text);
  font-family: var(--sournd-font-ui, system-ui, sans-serif);
  font-size: 0.95rem;
  line-height: 1.4;
}
.sournd-preview *, .sournd-preview *::before, .sournd-preview *::after { box-sizing: border-box; }
.sournd-preview [hidden] { display: none !important; }
.sournd-preview button, .sournd-preview input, .sournd-preview label { font: inherit; }
.sournd-preview :focus-visible { outline: 2px solid var(--sp-primary); outline-offset: 2px; }

.sournd-preview .sp-transport { display: flex; flex-wrap: wrap; align-items: center; gap: 0.75rem; }
.sournd-preview .sp-play {
  display: inline-flex; align-items: center; gap: 0.5rem; min-width: 6.5rem; justify-content: center;
  padding: 0.6rem 1.1rem; border: 0; border-radius: var(--sp-radius);
  background: var(--sp-primary); color: #fff; font-weight: 600; cursor: pointer;
}
.sournd-preview .sp-play:hover { filter: brightness(1.12); }
.sournd-preview .sp-toggle {
  padding: 0.55rem 0.9rem; border: 1px solid var(--sp-border); border-radius: var(--sp-radius);
  background: transparent; color: var(--sp-text); cursor: pointer;
}
.sournd-preview .sp-toggle[aria-pressed="true"] { background: var(--sp-primary); border-color: var(--sp-primary); color: #fff; }
/* Match level is a setting, not a state you are in: when on it is only outlined, so it never looks like Bypass. */
.sournd-preview .sp-match { font-size: 0.85em; opacity: 0.75; }
.sournd-preview .sp-match[aria-pressed="true"] { background: transparent; color: inherit; border-color: var(--sp-primary); opacity: 1; }
.sournd-preview .sp-match[aria-pressed="true"]::before { content: "\2713\00a0"; }

.sournd-preview .sp-meter { display: flex; align-items: center; gap: 0.5rem; flex: 1 1 11rem; min-width: 10rem; color: var(--sp-muted); font-size: 0.85rem; }
.sournd-preview .sp-meter-track { position: relative; flex: 1; height: 0.5rem; border-radius: 999px; background: var(--sp-divider); overflow: hidden; }
.sournd-preview .sp-meter-bar { position: absolute; inset: 0 auto 0 0; width: var(--w, 0%); background: var(--sp-primary); border-radius: inherit; }
.sournd-preview .sp-meter-bar.sp-clip { background: var(--sp-accent); }
.sournd-preview .sp-meter-num { min-width: 4.2rem; text-align: right; font-variant-numeric: tabular-nums; }

.sournd-preview .sp-progress { display: flex; align-items: center; gap: 0.75rem; color: var(--sp-muted); font-size: 0.85rem; }
.sournd-preview .sp-progress-track { position: relative; flex: 1; height: 2px; background: var(--sp-divider); }
.sournd-preview .sp-head {
  position: absolute; top: 50%; left: var(--x, 0%); width: 3px; height: 14px; margin-left: -1.5px;
  transform: translateY(-50%); background: var(--sp-accent); border-radius: 2px;
}
.sournd-preview .sp-time { font-variant-numeric: tabular-nums; }

.sournd-preview fieldset { margin: 0; padding: 0; border: 0; min-width: 0; }
.sournd-preview legend { padding: 0; margin-bottom: 0.4rem; color: var(--sp-muted); font-size: 0.85rem; }
.sournd-preview .sp-sources { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.sournd-preview .sp-sources input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.sournd-preview .sp-sources label {
  padding: 0.4rem 0.8rem; border: 1px solid var(--sp-border); border-radius: var(--sp-radius); cursor: pointer;
}
.sournd-preview .sp-sources input:checked + label { background: var(--sp-primary); border-color: var(--sp-primary); color: #fff; }
.sournd-preview .sp-sources input:focus-visible + label { outline: 2px solid var(--sp-primary); outline-offset: 2px; }
.sournd-preview .sp-file { margin-top: 0.6rem; display: grid; gap: 0.35rem; }
.sournd-preview .sp-file label { color: var(--sp-muted); font-size: 0.85rem; }
.sournd-preview .sp-file input { max-width: 100%; }

.sournd-preview .sp-params { display: grid; grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr)); gap: 0.9rem 1.5rem; padding-top: 0.25rem; border-top: 1px solid var(--sp-divider); padding-top: 1rem; }
.sournd-preview .sp-param { display: grid; grid-template-columns: 1fr auto; gap: 0.25rem 0.75rem; align-items: baseline; }
.sournd-preview .sp-param label { font-weight: 500; }
.sournd-preview .sp-value { color: var(--sp-muted); font-variant-numeric: tabular-nums; text-align: right; }
.sournd-preview .sp-range, .sournd-preview .sp-switch { grid-column: 1 / -1; }

.sournd-preview .sp-range {
  -webkit-appearance: none; appearance: none; width: 100%; height: 1.5rem; margin: 0; background: transparent; cursor: pointer;
  accent-color: var(--sp-accent);
}
.sournd-preview .sp-range::-webkit-slider-runnable-track {
  height: 4px; border-radius: 2px;
  background: linear-gradient(to right, var(--sp-primary) var(--fill, 0%), var(--sp-divider) var(--fill, 0%));
}
.sournd-preview .sp-range::-moz-range-track { height: 4px; border-radius: 2px; background: var(--sp-divider); }
.sournd-preview .sp-range::-moz-range-progress { height: 4px; border-radius: 2px; background: var(--sp-primary); }
.sournd-preview .sp-range::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none; width: 1.1rem; height: 1.1rem; margin-top: calc((4px - 1.1rem) / 2);
  border-radius: 50%; border: 2px solid var(--card, #fff); background: var(--sp-accent); box-shadow: 0 0 0 1px var(--sp-accent);
}
.sournd-preview .sp-range::-moz-range-thumb {
  width: 0.9rem; height: 0.9rem; border-radius: 50%; border: 2px solid var(--card, #fff); background: var(--sp-accent); box-shadow: 0 0 0 1px var(--sp-accent);
}
.sournd-preview .sp-range:focus-visible { outline: none; }
.sournd-preview .sp-range:focus-visible::-webkit-slider-thumb { outline: 2px solid var(--sp-primary); outline-offset: 2px; }
.sournd-preview .sp-range:focus-visible::-moz-range-thumb { outline: 2px solid var(--sp-primary); outline-offset: 2px; }

.sournd-preview .sp-switch {
  position: relative; width: 2.6rem; height: 1.4rem; padding: 0; border: 1px solid var(--sp-border); border-radius: 999px;
  background: var(--sp-divider); cursor: pointer;
}
.sournd-preview .sp-switch-knob { position: absolute; top: 2px; left: 2px; width: 1rem; height: 1rem; border-radius: 50%; background: var(--sp-accent); transition: transform 0.12s; }
.sournd-preview .sp-switch[aria-checked="true"] { background: var(--sp-primary); border-color: var(--sp-primary); }
.sournd-preview .sp-switch[aria-checked="true"] .sp-switch-knob { transform: translateX(1.2rem); background: #fff; }

.sournd-preview .sp-actions { display: flex; }
.sournd-preview .sp-reset { padding: 0; border: 0; background: none; color: var(--sp-muted); text-decoration: underline; cursor: pointer; font-size: 0.85rem; }

.sournd-preview .sp-readouts { display: grid; gap: 0.6rem; padding-top: 1rem; border-top: 1px solid var(--sp-divider); }
.sournd-preview .sp-readouts-title { margin: 0; font-size: 0.85rem; font-weight: 600; color: var(--sp-muted); }
.sournd-preview .sp-readout { display: grid; grid-template-columns: minmax(6rem, 1fr) auto; gap: 0.25rem 0.75rem; align-items: center; }
.sournd-preview .sp-readout-val { font-variant-numeric: tabular-nums; font-weight: 600; text-align: right; }
.sournd-preview .sp-gauge { grid-column: 1 / -1; position: relative; height: 0.4rem; border-radius: 999px; background: var(--sp-divider); overflow: hidden; }
.sournd-preview .sp-gauge-fill { position: absolute; inset: 0 auto 0 0; width: var(--w, 0%); background: var(--sp-primary); }
.sournd-preview .sp-bands { grid-column: 1 / -1; display: flex; align-items: flex-end; gap: 2px; height: 3.5rem; }
.sournd-preview .sp-band { flex: 1; height: var(--h, 0%); min-height: 2px; background: var(--sp-primary); border-radius: 2px 2px 0 0; }

.sournd-preview .sp-status { margin: 0; min-height: 1.4em; color: var(--sp-text); }
.sournd-preview .sp-note { margin: 0; color: var(--sp-muted); font-size: 0.85rem; }
.sournd-preview.sp-bypassed .sp-params { opacity: 0.85; }

/* Faces (faces.js): a curve to draw, points to drag, a keyboard of notes, in place of a wall of knobs. */
.sournd-preview .sp-face { display: grid; gap: 0.55rem; padding-top: 1rem; border-top: 1px solid var(--sp-divider); min-width: 0; }
.sournd-preview .sf-bar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0.5rem 0.75rem; min-height: 2rem; }
.sournd-preview .sf-read { font-weight: 600; font-variant-numeric: tabular-nums; white-space: pre-wrap; }
.sournd-preview .sf-tools { display: inline-flex; flex-wrap: wrap; gap: 0.4rem; }
.sournd-preview .sf-tool { padding: 0.3rem 0.7rem; font-size: 0.85rem; }
.sournd-preview .sf-plot { position: relative; height: 260px; border: 1px solid var(--sp-divider); border-radius: var(--sp-radius); background: linear-gradient(180deg, rgba(107, 188, 198, 0.05), rgba(0, 0, 0, 0.18)); overflow: hidden; }
.sournd-preview .sf-spectrum, .sournd-preview .sf-svg { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.sournd-preview .sf-spectrum { pointer-events: none; }
.sournd-preview .sf-svg { cursor: crosshair; touch-action: none; user-select: none; -webkit-user-select: none; }
.sournd-preview .sf-svg:focus-visible { outline: 2px solid var(--sf-line); outline-offset: -2px; border-radius: var(--sp-radius); }
.sournd-preview .sp-face { --sf-line: #6BBCC6; --sf-cut: #F4A340; --sf-ink: #EDE7DA; }
.sournd-preview .sf-grid { stroke: currentColor; stroke-opacity: 0.09; stroke-width: 1; shape-rendering: crispEdges; }
.sournd-preview .sf-grid.sf-zero { stroke-opacity: 0.32; }
.sournd-preview .sf-tick { fill: currentColor; fill-opacity: 0.55; font-size: 10.5px; font-variant-numeric: tabular-nums; }
.sournd-preview .sf-col { fill: currentColor; fill-opacity: 0.06; }
.sournd-preview .sf-area { stroke: none; fill-opacity: 0.2; }
.sournd-preview .sf-area.sf-up { fill: var(--sf-line); }
.sournd-preview .sf-area.sf-down { fill: var(--sf-cut); }
.sournd-preview .sf-stem { stroke-linecap: round; stroke-opacity: 0.5; }
.sournd-preview .sf-stem.sf-up { stroke: var(--sf-line); }
.sournd-preview .sf-stem.sf-down { stroke: var(--sf-cut); }
.sournd-preview .sf-curve { fill: none; stroke: var(--sf-ink); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.sournd-preview .sf-dot { fill: var(--sf-ink); }
.sournd-preview .sf-dot.sf-on { fill: var(--sf-line); stroke: var(--sf-ink); stroke-width: 1.5; }
.sournd-preview .sf-node { cursor: grab; }
.sournd-preview .sf-drawing .sf-node { cursor: grabbing; }
.sournd-preview .sf-node-body { fill: var(--c); stroke: #0b0b0c; stroke-width: 1.5; }
.sournd-preview .sf-node-halo { fill: var(--c); fill-opacity: 0; }
.sournd-preview .sf-node.sf-on .sf-node-halo { fill-opacity: 0.25; }
.sournd-preview .sf-node text { fill: #0b0b0c; font-size: 10px; font-weight: 700; pointer-events: none; }
.sournd-preview .sf-node.sf-dim .sf-node-body { fill: transparent; stroke: var(--c); }
.sournd-preview .sf-node.sf-dim text { fill: var(--c); }
.sournd-preview .sf-hint { max-width: 62ch; }
.sournd-preview .sf-lane-name { margin: 0.2rem 0 -0.25rem; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--sf-ink); }
.sournd-preview .sf-slot { fill: currentColor; fill-opacity: 0.045; }
.sournd-preview .sf-slot.sf-beat { fill-opacity: 0.085; }
.sournd-preview .sf-step { fill: var(--sf-line); }
.sournd-preview .sf-step.sf-down { fill: var(--sf-cut); }
.sournd-preview .sf-step.sf-on { fill: var(--sf-ink); }
.sournd-preview .sf-step.sf-off { fill-opacity: 0.22; }
.sournd-preview .sf-tick.sf-off { fill-opacity: 0.25; }
.sournd-preview.sp-bypassed .sf-plot { opacity: 0.7; }

.sournd-preview .sf-keys { position: relative; display: grid; grid-template-columns: repeat(7, 1fr); gap: 3px; width: min(100%, 26rem); height: 7.5rem; }
.sournd-preview .sf-key { position: relative; display: flex; align-items: flex-end; justify-content: center; padding: 0 0 0.45rem; border: 1px solid var(--sp-border); border-radius: 0 0 6px 6px; background: rgba(237, 231, 218, 0.1); color: inherit; font-size: 0.8rem; font-weight: 600; cursor: pointer; opacity: 0.55; }
.sournd-preview .sf-key[aria-pressed="true"] { background: #EDE7DA; color: #0b0b0c; opacity: 1; }
.sournd-preview .sf-key.sf-sharp { position: absolute; top: 0; z-index: 1; width: 9%; height: 60%; margin-left: -4.5%; background: #17191d; color: #8d979a; border-color: #2a2c30; font-size: 0.65rem; opacity: 1; }
.sournd-preview .sf-key.sf-sharp[aria-pressed="true"] { background: #6BBCC6; color: #0b0b0c; border-color: #6BBCC6; }
.sournd-preview .sf-key:nth-child(2) { left: calc(100% / 7); }
.sournd-preview .sf-key:nth-child(4) { left: calc(200% / 7); }
.sournd-preview .sf-key:nth-child(7) { left: calc(400% / 7); }
.sournd-preview .sf-key:nth-child(9) { left: calc(500% / 7); }
.sournd-preview .sf-key:nth-child(11) { left: calc(600% / 7); }

.sournd-preview .sp-fine { border-top: 1px solid var(--sp-divider); padding-top: 0.75rem; }
.sournd-preview .sp-fine > summary { cursor: pointer; color: var(--sp-muted); font-size: 0.9rem; width: fit-content; }
.sournd-preview .sp-fine > summary:hover { color: var(--sp-text); }
.sournd-preview .sp-fine > .sp-params { border-top: 0; margin-top: 0.5rem; }

/* Paid engines: rendered on our server, then looped here. */
.sournd-preview .sp-toggle:disabled { opacity: 0.55; cursor: default; }
.sournd-preview .sp-render { margin-left: auto; }
.sournd-preview.sp-rendering .sp-render { border-color: var(--sp-primary); color: var(--sp-primary); }
.sournd-preview.sp-rendering .sp-status::after {
  content: ""; display: inline-block; width: 0.5em; height: 0.5em; margin-left: 0.5em; border-radius: 50%;
  background: var(--sp-accent); vertical-align: middle; animation: sp-pulse 0.9s ease-in-out infinite alternate;
}
@keyframes sp-pulse { from { opacity: 0.25; } to { opacity: 1; } }
@media (max-width: 480px) {
  .sournd-preview .sp-render { margin-left: 0; }
  .sournd-preview .sp-transport .sp-meter { flex-basis: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .sournd-preview .sp-switch-knob { transition: none; }
  .sournd-preview.sp-rendering .sp-status::after { animation: none; }
}