/* Practice Studio — drone / metronome / tuner.
   Reuses global tokens from /style.css (--bg, --ink, --muted, --accent, --card, --border). */

.ps-intro {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.55;
  max-width: 60ch;
  margin: 0 0 22px;
}
.ps-intro strong { color: var(--ink); font-weight: 650; }

/* Tabs */
.ps-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}
.ps-tab {
  appearance: none;
  flex: 1;
  padding: 11px 10px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--card);
  color: var(--muted);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: border-color .2s, color .2s, background .2s;
}
.ps-tab:hover { border-color: var(--accent); color: var(--ink); }
.ps-tab.is-active {
  color: var(--ink);
  border-color: var(--accent);
  background: var(--accent-soft);
}

/* Panels */
.ps-panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 22px;
}
.ps-panel[hidden] { display: none; }

/* Big readout */
.ps-readout {
  text-align: center;
  padding: 14px 0 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 18px;
}
.ps-note {
  font-size: 64px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.ps-freq {
  margin-top: 8px;
  font-size: 15px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

/* Blocks */
.ps-block { margin-bottom: 18px; }
.ps-block-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--accent);
  margin-bottom: 9px;
}
.ps-hint {
  text-transform: none;
  letter-spacing: 0;
  color: var(--muted);
  font-weight: 400;
}
.ps-grid2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* Open-string buttons */
.ps-strings {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(48px, 1fr));
  gap: 10px;
}
.ps-string {
  appearance: none;
  padding: 16px 0;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--card);
  color: var(--ink);
  font-size: 22px;
  font-weight: 650;
  cursor: pointer;
  font-family: inherit;
  transition: border-color .2s, background .2s, transform .1s;
}
/* Two side-by-side pickers (instrument + transpose) */
.ps-block-row { display: flex; gap: 12px; }
.ps-block-col { flex: 1; min-width: 0; }
.ps-block-col .ps-select { width: 100%; }
.ps-string:hover { border-color: var(--accent); }
.ps-string:active { transform: scale(0.97); }
.ps-string.is-sel {
  border-color: var(--accent);
  background: var(--accent-soft);
}

/* Pickers / selects */
.ps-pickrow { display: flex; gap: 10px; }
.ps-pickrow .ps-select { flex: 1; }
.ps-select {
  appearance: none;
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--card);
  color: var(--ink);
  font-size: 15px;
  cursor: pointer;
}
.ps-select:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* Segmented toggle */
.ps-seg {
  display: flex;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.ps-segbtn {
  appearance: none;
  flex: 1;
  padding: 12px 8px;
  border: 0;
  background: var(--card);
  color: var(--muted);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background .2s, color .2s;
}
.ps-segbtn + .ps-segbtn { border-left: 1px solid var(--border); }
.ps-segbtn.is-sel { background: var(--accent-soft); color: var(--ink); }

/* Range */
.ps-range {
  width: 100%;
  accent-color: var(--accent);
  height: 28px;
}

/* Play button */
.ps-play {
  appearance: none;
  width: 100%;
  margin-top: 6px;
  padding: 18px;
  border: 0;
  border-radius: 14px;
  background: var(--accent);
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  transition: filter .15s, transform .1s;
}
.ps-play:hover { filter: brightness(1.08); }
.ps-play:active { transform: scale(0.99); }
.ps-play.is-on { background: var(--heart); }
.ps-play-ico { font-size: 16px; }

.ps-tip {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
  margin: 14px 0 0;
}

/* Coming-soon panels */
.ps-soon { text-align: center; padding: 28px 10px; }
.ps-soon-ico { font-size: 40px; color: var(--accent); margin-bottom: 6px; }
.ps-soon h2 { font-size: 22px; font-weight: 650; margin: 0 0 8px; }
.ps-soon p { color: var(--muted); font-size: 15px; line-height: 1.55; max-width: 46ch; margin: 0 auto; }

/* ---- Metronome ---- */
.ps-bpm-unit { font-size: 20px; font-weight: 600; color: var(--muted); margin-left: 8px; }

.ps-beatdots {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin: 4px 0 6px;
}
.ps-dot {
  appearance: none;
  width: 26px;
  height: 26px;
  padding: 0;
  border-radius: 50%;
  border: 2px solid var(--border);
  background: transparent;
  cursor: pointer;
  transition: transform .06s, background .12s, border-color .12s, box-shadow .12s;
}
.ps-dot.lvl-1 { border-color: var(--muted); }
.ps-dot.lvl-2 { border-color: var(--accent); background: var(--accent-soft); }
.ps-dot.lvl-0 { border-style: dashed; opacity: .5; }
.ps-dot.is-on {
  background: var(--accent);
  border-color: var(--accent);
  transform: scale(1.18);
  box-shadow: 0 0 14px rgba(59, 111, 224, 0.6);
}
.ps-dot.is-on-mute { transform: scale(1.12); border-color: var(--muted); }
.ps-dots-hint { text-align: center; color: var(--muted); font-size: 13px; margin: 0 0 16px; }
.ps-dots-hint strong { color: var(--accent); font-weight: 650; }

.ps-tempo-row { display: flex; align-items: center; gap: 12px; }
.ps-tempo-row .ps-range { flex: 1; }
.ps-step {
  appearance: none;
  width: 44px; height: 44px;
  flex: 0 0 44px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--card);
  color: var(--ink);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  transition: border-color .2s, background .2s;
}
.ps-step:hover { border-color: var(--accent); }
.ps-step:active { background: var(--accent-soft); }

.ps-tap {
  appearance: none;
  width: 100%;
  margin-top: 12px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--card);
  color: var(--ink);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: border-color .2s, background .2s;
}
.ps-tap:hover { border-color: var(--accent); }
.ps-tap:active { background: var(--accent-soft); transform: scale(0.99); }

.ps-check {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
}
.ps-check input { width: 18px; height: 18px; accent-color: var(--accent); cursor: pointer; }
.ps-trainer { margin-top: 10px; color: var(--muted); font-size: 14px; line-height: 2; }
.ps-trainer[hidden] { display: none; }
.ps-num {
  width: 56px;
  padding: 6px 8px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card);
  color: var(--ink);
  font-size: 14px;
  text-align: center;
}

/* ---- Metronome presets / setlist ---- */
/* Time-signature preset chips */
.ps-meters { display: flex; flex-wrap: wrap; gap: 8px; }
.ps-meter {
  appearance: none; font-family: inherit;
  border: 1px solid var(--border); border-radius: 10px;
  background: var(--card); color: var(--ink);
  padding: 8px 14px; font-size: 15px; font-weight: 650; cursor: pointer;
  transition: border-color .2s, background .2s, transform .1s;
}
.ps-meter:hover { border-color: var(--accent); }
.ps-meter:active { transform: scale(0.97); }
.ps-meter.is-sel { border-color: var(--accent); background: var(--accent-soft); }

.ps-presets { display: flex; flex-wrap: wrap; gap: 8px; }
.ps-preset-hint { color: var(--muted); font-size: 13.5px; margin: 2px 0; line-height: 1.5; }
.ps-preset {
  display: inline-flex; align-items: stretch;
  border: 1px solid var(--border); border-radius: 12px; overflow: hidden;
  background: var(--card);
}
.ps-preset-use {
  appearance: none; border: 0; background: transparent; color: var(--ink);
  padding: 8px 4px 8px 12px; text-align: left; cursor: pointer; font-size: 14px;
}
.ps-preset-use b { display: block; font-weight: 650; }
.ps-preset-use small { display: block; color: var(--muted); font-size: 12px; margin-top: 1px; }
.ps-preset-use:hover { color: var(--accent); }
.ps-preset-del {
  appearance: none; border: 0; border-left: 1px solid var(--border); background: transparent;
  color: var(--muted); font-size: 16px; line-height: 1; padding: 0 10px; cursor: pointer;
}
.ps-preset-del:hover { color: var(--heart); background: rgba(255,93,143,.08); }

.ps-preset-row { display: flex; gap: 8px; margin-top: 12px; }
.ps-preset-row .ps-tap { width: auto; margin-top: 0; flex: 0 0 auto; padding: 10px 16px; font-size: 14px; }
.ps-text {
  flex: 1; min-width: 0;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--card);
  color: var(--ink);
  font-size: 14px;
}
.ps-text::placeholder { color: var(--muted); opacity: .8; }
.ps-text:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ---- Tuner ---- */
.ps-meter { margin: 4px 0 18px; }
.ps-meter-scale {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 6px;
}
.ps-meter-track {
  position: relative;
  height: 16px;
  border-radius: 8px;
  background: var(--card);
  border: 1px solid var(--border);
  overflow: hidden;
}
.ps-meter-zero {
  position: absolute;
  left: 50%;
  top: -2px;
  bottom: -2px;
  width: 2px;
  background: var(--border);
  transform: translateX(-50%);
}
.ps-meter-needle {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 6px;
  height: 22px;
  border-radius: 3px;
  background: var(--heart);
  transform: translate(-50%, -50%);
  transition: left .06s linear, background .15s;
  box-shadow: 0 0 10px rgba(255, 93, 143, 0.5);
}
.ps-meter-needle.is-intune {
  background: #36d399;
  box-shadow: 0 0 12px rgba(54, 211, 153, 0.65);
}
.ps-meter-status {
  text-align: center;
  margin-top: 10px;
  font-size: 15px;
  font-weight: 600;
  color: var(--muted);
}
.ps-meter-status.is-intune { color: #36d399; }

/* String indicators (non-interactive, in the tuner) */
.ps-strings-ind .ps-string {
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: default;
  opacity: .55;
  transition: opacity .15s, border-color .15s, background .15s;
}
.ps-strings-ind .ps-string.is-sel {
  opacity: 1;
  border-color: var(--accent);
  background: var(--accent-soft);
}

.ps-mic-denied {
  background: rgba(255, 93, 143, 0.10);
  border: 1px solid rgba(255, 93, 143, 0.4);
  border-radius: 12px;
  padding: 12px 14px;
  margin-bottom: 14px;
  color: var(--ink);
  font-size: 14px;
  line-height: 1.5;
}
.ps-mic-denied[hidden] { display: none; }

@media (max-width: 520px) {
  .ps-note { font-size: 52px; }
  .ps-grid2 { grid-template-columns: 1fr; }
}