/* Brickstreet Music — free tools (metronome, reference pitch, timer) */

.tool-hero {
  padding: 64px 0 40px;
  border-bottom: 1px solid var(--border);
  text-align: center;
}
.tool-hero h1 { font-size: clamp(26px, 4vw, 38px); }
.tool-hero p { max-width: 520px; margin: 0 auto; font-size: 16px; }

.tool-panel {
  max-width: 520px;
  margin: 48px auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
}

.tool-signup {
  border-top: 1px solid var(--border);
  padding: 56px 0;
  text-align: center;
}
.tool-signup h2 { font-size: 20px; }
.tool-signup .hero-form { margin: 20px auto 0; }

/* ---------------- Metronome ---------------- */

.metronome-display {
  text-align: center;
  margin-bottom: 28px;
}
.bpm-value {
  font-size: 64px;
  font-weight: 800;
  line-height: 1;
}
.bpm-unit {
  font-size: 14px;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.bpm-slider-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}
.bpm-slider-row input[type="range"] {
  flex: 1;
  accent-color: var(--brick);
}
.bpm-step-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-raised);
  color: var(--text);
  font-size: 18px;
  cursor: pointer;
  flex-shrink: 0;
}
.bpm-step-btn:hover { border-color: var(--brick); color: var(--brick); }

.tool-row {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.tool-row label {
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}
.tool-row select {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  font-size: 14px;
  font-family: var(--font);
}

.beat-dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 24px;
  min-height: 22px;
}
.beat-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  transition: background 0.06s ease, transform 0.06s ease;
}
.beat-dot.accent { border-color: var(--brick); }
.beat-dot.on { background: var(--text-muted); transform: scale(1.15); }
.beat-dot.accent.on { background: var(--brick); }

.tool-main-btn {
  display: block;
  width: 100%;
  padding: 16px;
  font-size: 16px;
}

.tap-tempo-btn {
  width: 100%;
  padding: 12px;
  margin-top: 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-raised);
  color: var(--text);
  font-size: 14px;
  cursor: pointer;
}
.tap-tempo-btn:hover { border-color: var(--brick); }

/* ---------------- Reference pitch ---------------- */

.note-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 8px;
  margin-bottom: 24px;
}
.note-btn {
  padding: 12px 0;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-raised);
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}
.note-btn:hover { border-color: var(--brick); }
.note-btn.active { background: var(--brick); border-color: var(--brick); color: #fff; }
.note-btn.sharp { color: var(--text-muted); }

.freq-readout {
  text-align: center;
  margin-bottom: 20px;
}
.freq-readout .note-name { font-size: 48px; font-weight: 800; }
.freq-readout .hz-value { font-size: 14px; color: var(--text-faint); }

.volume-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}
.volume-row input[type="range"] { flex: 1; accent-color: var(--brick); }
.volume-row span { font-size: 18px; width: 22px; text-align: center; }

/* ---------------- Timer ---------------- */

.timer-display {
  text-align: center;
  font-size: 76px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  margin-bottom: 8px;
}
.timer-progress {
  height: 6px;
  border-radius: 999px;
  background: var(--bg-raised);
  overflow: hidden;
  margin-bottom: 24px;
}
.timer-progress-bar {
  height: 100%;
  background: var(--brick);
  width: 100%;
  transition: width 1s linear;
}
.timer-presets {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.timer-preset-btn {
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-raised);
  color: var(--text-muted);
  font-size: 13px;
  cursor: pointer;
}
.timer-preset-btn:hover, .timer-preset-btn.active { border-color: var(--brick); color: var(--brick); }
.timer-custom-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 24px;
}
.timer-custom-row input[type="number"] {
  width: 64px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: var(--radius-sm);
  padding: 8px;
  font-size: 14px;
  text-align: center;
}
.timer-btn-row { display: flex; gap: 10px; }
.timer-btn-row .btn { flex: 1; }

/* ---------------- Tuner ---------------- */

.tuner-note-display { text-align: center; margin-bottom: 28px; }
.tuner-note-name { font-size: 72px; font-weight: 800; line-height: 1; }
.tuner-freq { font-size: 14px; color: var(--text-faint); margin-top: 8px; min-height: 18px; }

.tuner-meter { margin-bottom: 20px; }
.tuner-meter-track {
  position: relative;
  height: 10px;
  border-radius: 999px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  overflow: visible;
}
.tuner-meter-sweet-spot {
  position: absolute;
  left: 45%;
  width: 10%;
  height: 100%;
  background: rgba(111, 185, 138, 0.35);
  border-radius: 999px;
}
.tuner-meter-needle {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 4px;
  height: 26px;
  background: var(--brick);
  border-radius: 999px;
  transform: translate(-50%, -50%);
  transition: left 0.08s linear, background 0.15s ease;
}
.tuner-meter-needle.in-tune { background: #6fb98a; }
.tuner-meter-labels {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 10px;
}

.tuner-status {
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
  min-height: 18px;
  margin-bottom: 20px;
}

/* ---------------- Seating chart generator ---------------- */

.chart-builder {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 28px;
  align-items: start;
}
@media (max-width: 860px) {
  .chart-builder { grid-template-columns: 1fr; }
}

.chart-controls {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.chart-control-group { display: flex; flex-direction: column; gap: 10px; }
.chart-control-group h3 {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-faint);
  margin: 0;
}
.chart-control-group > label {
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.chart-control-group input[type="text"],
.chart-control-group textarea {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  font-size: 14px;
  font-family: var(--font);
}
.chart-control-group input[type="range"] { accent-color: var(--brick); }
.chart-checkbox {
  flex-direction: row !important;
  align-items: center;
  gap: 8px !important;
}
.chart-checkbox input { accent-color: var(--brick); }
.chart-export-group { border-top: 1px solid var(--border); padding-top: 18px; gap: 10px; }

.chart-row-block {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--bg-raised);
}
.chart-row-top { display: flex; align-items: center; gap: 8px; }
.chart-row-top input[type="color"] {
  width: 32px; height: 32px; padding: 2px; border-radius: 6px;
  border: 1px solid var(--border); background: transparent; flex-shrink: 0;
}
.chart-row-top input[type="text"] {
  flex: 1; background: var(--bg-card); border: 1px solid var(--border); color: var(--text);
  border-radius: 6px; padding: 6px 8px; font-size: 13px;
}
.row-remove { background: none; border: none; color: var(--text-faint); font-size: 16px; cursor: pointer; flex-shrink: 0; }
.row-remove:hover { color: #d9756a; }
.chart-row-bottom { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; font-size: 12px; color: var(--text-muted); }
.chart-row-bottom label { display: flex; align-items: center; gap: 6px; }
.chart-row-bottom input[type="number"] {
  width: 52px; background: var(--bg-card); border: 1px solid var(--border); color: var(--text);
  border-radius: 6px; padding: 4px 6px; font-size: 13px;
}
.chart-row-bottom button {
  background: none; border: 1px solid var(--border); color: var(--text-muted);
  border-radius: 6px; width: 26px; height: 26px; cursor: pointer; margin-left: auto;
}
.chart-row-bottom button:hover { border-color: var(--brick); color: var(--brick); }
.chart-row-bottom button + button { margin-left: 0; }

.chart-canvas-wrap {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.chart-svg-container { width: 100%; overflow-x: auto; }
.chart-svg-container svg { width: 100%; height: auto; display: block; background: #ffffff; border-radius: var(--radius-sm); }

.chart-seat-popover {
  position: absolute;
  z-index: 20;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 200px;
}
.chart-seat-popover input[type="text"] {
  background: var(--bg-raised); border: 1px solid var(--border); color: var(--text);
  border-radius: 6px; padding: 6px 8px; font-size: 13px; font-family: var(--font);
}
.chart-seat-popover .popover-btn-row { display: flex; gap: 6px; }
.chart-seat-popover button {
  flex: 1; font-size: 11px; padding: 6px 4px; border-radius: 6px;
  border: 1px solid var(--border); background: var(--bg-raised); color: var(--text); cursor: pointer;
}
.chart-seat-popover button:hover { border-color: var(--brick); }
.chart-seat-popover .popover-hide-btn.is-hidden { border-color: #6fb98a; color: #6fb98a; }