/* Chord & Rhythm Drills view. Every rule is scoped to .view-drills so it can't leak into the Scale Explorer. */
.view-drills {
  --bg: #0e0f13;
  --panel: #171920;
  --panel-2: #1f222b;
  --text: #f2f3f5;
  --muted: #8b90a0;
  --accent: #4ade80;
  --accent-2: #38bdf8;
  --warn: #fbbf24;
  --radius: 18px;
}
.view-drills, .view-drills * { box-sizing: border-box; margin: 0; padding: 0; }
.view-drills {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 24px 16px;
  -webkit-font-smoothing: antialiased;
  user-select: none;
}
.view-drills header {
  width: 100%;
  max-width: 960px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}
.view-drills header h1 { font-size: 1.1rem; font-weight: 600; letter-spacing: 0.04em; color: var(--muted); text-transform: uppercase; }
.view-drills .stats { display: flex; gap: 28px; }
.view-drills .stat { text-align: right; }
.view-drills .stat .label { font-size: 0.75rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; }
.view-drills .stat .value { font-size: 2rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.view-drills .stat .value.low { color: var(--warn); }
.view-drills main {
  width: 100%;
  max-width: 960px;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 28px;
}
/* Beat indicators */
.view-drills .beats { display: flex; gap: 22px; }
.view-drills .dot {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--panel-2);
  border: 3px solid #2a2e3a;
  transition: transform 0.08s ease-out, background 0.25s ease-out, box-shadow 0.25s ease-out;
}
.view-drills .dot.on {
  background: var(--accent-2);
  border-color: var(--accent-2);
  box-shadow: 0 0 30px var(--accent-2);
  transform: scale(1.18);
  transition: none;
}
.view-drills .dot.on.first {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 36px var(--accent);
}
/* Chord stage */
.view-drills .stage {
  position: relative;
  width: 100%;
  background: var(--panel);
  border-radius: 28px;
  padding: 32px 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(20px, 6vw, 72px);
  border: 3px solid transparent;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.view-drills .stage.pulse {
  border-color: var(--accent);
  box-shadow: 0 0 60px rgba(74, 222, 128, 0.25);
  transition: none;
}
.view-drills .chord-block { text-align: center; }
.view-drills .chord-name {
  font-size: clamp(9rem, 30vw, 20rem);
  font-weight: 800;
  line-height: 0.9;
  letter-spacing: -0.04em;
}
.view-drills .chord-name.pop { animation: pop 0.35s ease-out; }
@keyframes pop {
  0% { transform: scale(0.82); opacity: 0.4; }
  100% { transform: scale(1); opacity: 1; }
}
.view-drills .chord-sub { font-size: 1.4rem; color: var(--muted); margin-top: 8px; letter-spacing: 0.1em; text-transform: uppercase; }
.view-drills .diagram svg { width: clamp(150px, 20vw, 220px); height: auto; display: block; }
/* Strum indicators */
.view-drills .strums { display: flex; gap: clamp(18px, 4vw, 40px); }
.view-drills .strums[hidden] { display: none; }
.view-drills .strum { width: clamp(44px, 7vw, 64px); color: #2f3441; transition: color 0.25s ease-out, transform 0.08s ease-out, filter 0.25s ease-out; }
.view-drills .strum svg { width: 100%; height: auto; display: block; }
.view-drills .strum.on { color: var(--accent-2); transform: translateY(6px); filter: drop-shadow(0 0 14px var(--accent-2)); transition: none; }
.view-drills .strum.on.first { color: var(--accent); filter: drop-shadow(0 0 16px var(--accent)); }
.view-drills .next {
  font-size: 1.6rem;
  color: var(--muted);
  min-height: 2.2rem;
  font-weight: 600;
}
.view-drills .next strong { color: var(--warn); font-size: 2rem; }
.view-drills .next.get-ready strong { animation: blink 0.5s ease-in-out infinite alternate; }
@keyframes blink { from { opacity: 1; } to { opacity: 0.35; } }
/* Controls */
.view-drills .controls {
  width: 100%;
  max-width: 960px;
  background: var(--panel);
  border-radius: var(--radius);
  padding: 20px 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 24px;
}
.view-drills .group { display: flex; align-items: center; gap: 12px; }
.view-drills .group-label { font-size: 0.8rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; margin-right: 4px; }
.view-drills .bpm-value { font-size: 2.4rem; font-weight: 700; min-width: 3ch; text-align: center; font-variant-numeric: tabular-nums; }
.view-drills .bpm-unit { color: var(--muted); font-size: 0.9rem; margin-left: -6px; }
.view-drills input[type=range] {
  -webkit-appearance: none; appearance: none;
  width: 180px; height: 6px; border-radius: 3px;
  background: var(--panel-2); outline: none;
}
.view-drills input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 24px; height: 24px; border-radius: 50%;
  background: var(--accent-2); cursor: pointer;
}
.view-drills input[type=range]::-moz-range-thumb {
  width: 24px; height: 24px; border-radius: 50%; border: none;
  background: var(--accent-2); cursor: pointer;
}
.view-drills button {
  font: inherit; color: var(--text);
  background: var(--panel-2);
  border: none; border-radius: 12px;
  cursor: pointer;
  transition: background 0.15s, transform 0.05s;
}
.view-drills button:hover { background: #2a2e3a; }
.view-drills button:active { transform: scale(0.96); }
.view-drills button:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 2px; }
.view-drills .step { width: 44px; height: 44px; font-size: 1.4rem; font-weight: 600; }
.view-drills .seg { display: flex; background: var(--panel-2); border-radius: 12px; padding: 4px; }
.view-drills .seg button { background: transparent; padding: 8px 14px; font-weight: 600; color: var(--muted); }
.view-drills .seg button.active { background: #2f3441; color: var(--text); }
/* Drill selector */
.view-drills .drill-trigger {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 16px 10px 18px;
  font-size: 1rem;
}
.view-drills .drill-trigger .group-label { margin: 0; }
.view-drills .drill-trigger .drill-name { font-weight: 700; }
.view-drills .drill-trigger .chev { color: var(--muted); font-size: 0.8rem; }
.view-drills dialog.drills {
  margin: auto;
  width: min(440px, calc(100vw - 32px));
  max-height: min(560px, calc(100vh - 64px));
  background: var(--panel);
  color: var(--text);
  border: 1px solid #2a2e3a;
  border-radius: var(--radius);
  padding: 0;
  overflow: hidden;
}
.view-drills dialog.drills[open] { display: flex; flex-direction: column; }
.view-drills dialog.drills::backdrop { background: rgba(5, 6, 9, 0.7); backdrop-filter: blur(4px); }
.view-drills .drills-head { padding: 16px 16px 12px; border-bottom: 1px solid #23262f; }
.view-drills .drills-head input {
  width: 100%;
  font: inherit; font-size: 1rem; color: var(--text);
  background: var(--panel-2);
  border: 1px solid transparent; border-radius: 12px;
  padding: 12px 14px; outline: none;
}
.view-drills .drills-head input:focus { border-color: var(--accent-2); }
.view-drills .drills-head input::placeholder { color: var(--muted); }
.view-drills .drills-list { overflow-y: auto; padding: 8px 8px 12px; }
.view-drills .drills-group { font-size: 0.75rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; padding: 14px 10px 6px; }
.view-drills .drills-list button {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%; text-align: left;
  background: transparent;
  padding: 12px 12px; font-size: 1.05rem; font-weight: 600;
}
.view-drills .drills-list button:hover, .view-drills .drills-list button:focus-visible { background: var(--panel-2); outline: none; }
.view-drills .drills-list button.active { color: var(--accent); }
.view-drills .drills-list button .check { visibility: hidden; }
.view-drills .drills-list button.active .check { visibility: visible; }
.view-drills .drills-empty { color: var(--muted); padding: 20px 10px; text-align: center; }
.view-drills .start {
  padding: 16px 44px;
  font-size: 1.3rem; font-weight: 700;
  background: var(--accent); color: #0b1a10;
  min-width: 170px;
}
.view-drills .start:hover { background: #6ee7a0; }
.view-drills .start.running { background: #f87171; color: #200a0a; }
.view-drills .start.running:hover { background: #fca5a5; }
.view-drills .hint { color: var(--muted); font-size: 0.8rem; margin-top: 12px; text-align: center; }
.view-drills kbd { background: var(--panel-2); border-radius: 5px; padding: 1px 6px; font-family: inherit; }
@media (max-width: 640px) {
  .view-drills .stage { flex-direction: column; padding: 24px 16px; }
  .view-drills .stats { gap: 16px; }
  .view-drills .stat .value { font-size: 1.5rem; }
  .view-drills .dot { width: 32px; height: 32px; }
  .view-drills .controls { justify-content: center; }
  .view-drills input[type=range] { width: 120px; }

}