/* ===========================================================
   Chiptune Studio
   Owns ws-chip prefix. Brand tokens only from main.css.
   =========================================================== */

.ws-chip {
  font-family: var(--ws-font);
  color: var(--ws-charcoal);
  max-width: 940px;
  margin: 0 auto;
}

.ws-chip *,
.ws-chip *::before,
.ws-chip *::after { box-sizing: border-box; }

.ws-chip__deck {
  background: var(--ws-charcoal);
  border-radius: 3px;
  padding: 18px;
}

/* === Transport === */

.ws-chip__transport {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}

.ws-chip__btn {
  font-family: var(--ws-code);
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #E5E5EA;
  background: transparent;
  border: 1px solid #52585B;
  border-radius: 3px;
  padding: 8px 12px;
  cursor: pointer;
  line-height: 1;
  text-decoration: none;
  display: inline-block;
  transition: border-color 120ms, color 120ms, background-color 120ms;
}

.ws-chip__btn:hover { border-color: #A2AAAD; color: #fff; }
.ws-chip__btn:focus-visible { outline: 2px solid var(--ws-accent); outline-offset: 2px; }

/* Lime marks active state only. Never idle chrome. */
.ws-chip__btn.is-on {
  background: var(--ws-accent);
  border-color: var(--ws-accent);
  color: var(--ws-charcoal);
  font-weight: 700;
}

.ws-chip__btn--rec.is-on {
  background: var(--ws-error);
  border-color: var(--ws-error);
  color: #fff;
}

.ws-chip__btn[disabled] { opacity: 0.4; cursor: not-allowed; }

.ws-chip__spacer { flex: 1 1 auto; }

.ws-chip__tempo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--ws-code);
  font-size: 12px;
  color: #A2AAAD;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.ws-chip__tempo input {
  width: 108px;
  accent-color: var(--ws-accent);
}

.ws-chip__bpm { color: #E5E5EA; min-width: 26px; }

/* === Grid === */

.ws-chip__scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.ws-chip__grid { min-width: 660px; }

.ws-chip__ruler,
.ws-chip__row {
  display: grid;
  grid-template-columns: 158px repeat(16, 1fr);
  gap: 3px;
  margin-bottom: 3px;
}

.ws-chip__ruler span {
  font-family: var(--ws-code);
  font-size: 10px;
  color: #52585B;
  text-align: center;
  padding-bottom: 2px;
}

/* Beat marks read stronger than offbeats. */
.ws-chip__ruler span.is-beat { color: #A2AAAD; }

.ws-chip__label {
  display: flex;
  align-items: center;
  gap: 6px;
  background: #26262a;
  border: 1px solid transparent;
  border-radius: 3px;
  padding: 0 8px;
  cursor: pointer;
  min-height: 44px;
  font-family: var(--ws-code);
}

/* Selected row receives keyboard input. Border only, no fill. */
.ws-chip__row.is-sel .ws-chip__label { border-color: var(--ws-accent); }

.ws-chip__labelmain { flex: 1 1 auto; min-width: 0; }

.ws-chip__name {
  display: block;
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #E5E5EA;
  white-space: nowrap;
}

.ws-chip__role {
  display: block;
  font-size: 9px;
  letter-spacing: 0.04em;
  color: #52585B;
  text-transform: uppercase;
  white-space: nowrap;
}

.ws-chip__row.is-muted .ws-chip__name,
.ws-chip__row.is-muted .ws-chip__role { color: #52585B; }

.ws-chip__mini {
  font-family: var(--ws-code);
  font-size: 9px;
  color: #A2AAAD;
  background: transparent;
  border: 1px solid #52585B;
  border-radius: 3px;
  padding: 4px 5px;
  cursor: pointer;
  line-height: 1;
  flex: 0 0 auto;
}

.ws-chip__mini:hover { color: #fff; border-color: #A2AAAD; }
.ws-chip__mini:focus-visible { outline: 2px solid var(--ws-accent); outline-offset: 1px; }

.ws-chip__mini.is-on {
  background: var(--ws-error);
  border-color: var(--ws-error);
  color: #fff;
}

.ws-chip__cell {
  position: relative;
  min-height: 44px;
  background: #26262a;
  border: 1px solid #303036;
  border-radius: 3px;
  cursor: pointer;
  padding: 0;
  font-family: var(--ws-code);
  font-size: 10px;
  color: var(--ws-charcoal);
  transition: background-color 90ms;
}

/* Beat columns carry slate spine for counting. */
.ws-chip__cell.is-beat { border-color: var(--ws-slate); }
.ws-chip__cell:hover { background: #32323a; }
.ws-chip__cell:focus-visible { outline: 2px solid var(--ws-accent); outline-offset: -2px; }

.ws-chip__cell.is-filled {
  background: var(--ws-accent);
  border-color: var(--ws-accent);
  font-weight: 700;
}

.ws-chip__row.is-muted .ws-chip__cell.is-filled {
  background: #52585B;
  border-color: #52585B;
  color: #E5E5EA;
}

.ws-chip__cell.is-play { box-shadow: inset 0 0 0 2px #fff; }

/* === Piano === */

.ws-chip__piano {
  position: relative;
  height: 132px;
  margin-top: 18px;
  min-width: 660px;
  user-select: none;
  touch-action: none;
}

.ws-chip__white {
  position: absolute;
  top: 0;
  bottom: 0;
  background: #f4f4f6;
  border: 1px solid #A2AAAD;
  border-radius: 0 0 3px 3px;
  cursor: pointer;
  padding: 0 0 8px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  font-family: var(--ws-code);
  font-size: 9px;
  color: #A2AAAD;
}

.ws-chip__black {
  position: absolute;
  top: 0;
  height: 62%;
  background: var(--ws-charcoal);
  border: 1px solid #000;
  border-radius: 0 0 3px 3px;
  cursor: pointer;
  z-index: 2;
  padding: 0 0 6px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  font-family: var(--ws-code);
  font-size: 8px;
  color: #52585B;
}

.ws-chip__white.is-down,
.ws-chip__black.is-down {
  background: var(--ws-accent);
  color: var(--ws-charcoal);
}

.ws-chip__white:focus-visible,
.ws-chip__black:focus-visible { outline: 2px solid var(--ws-accent); outline-offset: -2px; }

/* === Caption and footer === */

.ws-chip__caption {
  font-family: var(--ws-code);
  font-size: 10px;
  letter-spacing: 0.04em;
  color: #52585B;
  margin: 12px 0 0;
  text-transform: uppercase;
}

.ws-chip__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid #E5E5EA;
}

.ws-chip__foot .ws-chip__btn {
  color: #52585B;
  border-color: #E5E5EA;
}

.ws-chip__foot .ws-chip__btn:hover {
  color: var(--ws-charcoal);
  border-color: #A2AAAD;
}

.ws-chip__status {
  font-family: var(--ws-code);
  font-size: 11px;
  color: #52585B;
  flex: 1 1 200px;
  min-width: 0;
}

.ws-chip__status.is-err { color: var(--ws-error); }

/* === Dark mode === */

/* Deck already dark. Only surrounding text needs lifting. */
[data-theme="dark"] .ws-chip { color: #E5E5EA; }
[data-theme="dark"] .ws-chip__deck { background: #141416; }
[data-theme="dark"] .ws-chip__foot { border-top-color: #303036; }
[data-theme="dark"] .ws-chip__foot .ws-chip__btn { color: #A2AAAD; border-color: #303036; }
[data-theme="dark"] .ws-chip__foot .ws-chip__btn:hover { color: #fff; border-color: #52585B; }
[data-theme="dark"] .ws-chip__caption,
[data-theme="dark"] .ws-chip__status { color: #A2AAAD; }

/* === Responsive === */

@media (max-width: 600px) {
  .ws-chip__deck { padding: 12px; }
  .ws-chip__spacer { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .ws-chip * { transition: none !important; }
}