/* Solfège Dice — game styles. Redesign (v0.2.0): Inter, soft-lavender surface,
   card layout, restyled dice. Primary brand: violet. */

.sd-root {
  --sd-primary: #6D28D9;
  --sd-primary-dark: #5B21B6;
  --sd-primary-deep: #4C1D95;
  --sd-primary-light: #EDE7FB;
  --sd-accent-amber: #F59E0B;
  --sd-accent-teal: #0D9488;
  --sd-accent-rose: #C4557A;
  --sd-accent-orange: #B45A2E;
  --sd-danger: #B4231F;
  --sd-ink: #241F33;
  --sd-ink-strong: #1B1730;
  --sd-ink-soft: #6B6478;
  --sd-ink-faint: #A69FBB;
  --sd-muted: #6B6478;
  --sd-border: #EAE5F5;
  --sd-border-strong: #DCD5EC;
  --sd-bg: #E6DDF7;
  --sd-surface: #FFFFFF;
  --sd-surface-tint: #FAF8FD;

  /* dice color anchors */
  --sd-red: #EF5A4C;    --sd-red-d: #B92E22;
  --sd-orange: #F5A028; --sd-orange-d: #C46A0C;
  --sd-yellow: #F6C445; --sd-yellow-d: #D4A12A;
  --sd-green: #35A85A;  --sd-green-d: #1F7D40;
  --sd-blue: #4B8FD6;   --sd-blue-d: #2A5C94;
  --sd-purple: #9B6BF3; --sd-purple-d: #6D3FC0;

  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  color: var(--sd-ink);
  background: transparent;
  padding: 0 0 48px;
}
.sd-root * { box-sizing: border-box; }
.sd-root h1, .sd-root h2, .sd-root h3 { color: var(--sd-ink-strong); }
.sd-muted { color: var(--sd-ink-soft); font-size: 0.9rem; }

/* ---------- buttons ---------- */
.sd-btn {
  font-family: inherit; font-weight: 600; font-size: 0.9rem;
  border: none; border-radius: 9px; padding: 10px 16px;
  cursor: pointer; color: #fff; background: var(--sd-primary);
  transition: background 0.15s ease, transform 0.05s ease, box-shadow 0.15s ease;
}
.sd-btn:hover { background: var(--sd-primary-dark); }
.sd-btn:active { transform: translateY(1px); }
.sd-btn:disabled { opacity: 0.55; cursor: default; }
.sd-btn-primary { background: var(--sd-primary); color: #fff; }
.sd-btn-primary:hover { background: var(--sd-primary-dark); }
.sd-btn-block { width: 100%; padding: 12px; font-size: 0.95rem; font-weight: 700; }
.sd-btn-small { font-size: 0.85rem; padding: 8px 14px; }

.sd-btn-ghost {
  background: var(--sd-bg); border: 1px solid var(--sd-border);
  color: var(--sd-ink); font-size: 0.82rem; padding: 8px 12px;
}
.sd-btn-ghost:hover { background: var(--sd-primary-light); }

.sd-btn-outline {
  background: #fff; border: 1.5px solid var(--sd-primary); color: var(--sd-primary);
  border-radius: 999px; padding: 9px 18px; font-weight: 700;
  display: inline-flex; align-items: center; gap: 7px;
}
.sd-btn-outline:hover { background: var(--sd-primary-light); }

.sd-btn-pill {
  border-radius: 999px; padding: 15px 34px; font-size: 1rem; font-weight: 700;
  display: inline-flex; align-items: center; gap: 9px; color: #fff;
  background: linear-gradient(135deg, var(--sd-primary), var(--sd-primary-dark));
  box-shadow: 0 6px 16px rgba(109, 40, 217, 0.3);
}
.sd-btn-pill:hover { background: linear-gradient(135deg, var(--sd-primary-dark), var(--sd-primary-deep)); }

.sd-btn-record { background: linear-gradient(135deg, #EF5A4C, #C0342A); }
.sd-btn-record:hover { background: linear-gradient(135deg, #D33A2C, #A82B20); }

.sd-btn-text {
  background: none; border: none; padding: 2px; font-size: 0.82rem;
  font-weight: 600; cursor: pointer; font-family: inherit; color: var(--sd-primary);
}
.sd-btn-text:hover { text-decoration: underline; background: none; }
.sd-danger, .sd-link-danger, .sd-btn-text.sd-danger { color: var(--sd-danger); }
.sd-link-btn { /* legacy alias */
  background: none; border: none; color: var(--sd-primary); font-weight: 600;
  cursor: pointer; text-decoration: underline; font-size: 0.82rem; padding: 2px;
}
.sd-link-btn.sd-danger { color: var(--sd-danger); }

/* ---------- fields ---------- */
.sd-select, .sd-input, .sd-text {
  font-family: inherit; font-size: 0.9rem; color: var(--sd-ink);
  border: 1px solid var(--sd-border-strong); border-radius: 9px;
  padding: 10px 12px; background: #fff; width: 100%;
}
.sd-select { font-weight: 600; }
.sd-select:focus, .sd-input:focus, .sd-text:focus { outline: none; border-color: var(--sd-primary); }
textarea.sd-text { min-height: 68px; resize: vertical; }
.sd-key-select {
  padding: 9px 16px; border: 1.5px solid var(--sd-border-strong);
  border-radius: 999px; font-size: 0.9rem; font-weight: 600;
  color: var(--sd-ink); background: #fff; width: auto;
}

/* ---------- session layout (dice left, record right) ---------- */
.sd-game-shell { max-width: 1080px; margin: 0 auto; padding: 26px 22px 0; }
.sd-play-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 20px; align-items: start; margin-top: 16px; }
.sd-play-side { display: flex; flex-direction: column; gap: 16px; }
.sd-play-main .sd-practice-card { margin: 0; }
.sd-play-side .sd-panel { max-width: none; margin: 0; text-align: left; }
.sd-inst-card .sd-instructions { margin-top: 4px; }
.sd-rec-card .sd-audio-controls { justify-content: center; margin-top: 14px; }
.sd-play-side .sd-rec-card .sd-audio-controls { justify-content: flex-start; }
/* Mode + level pickers when they live in the side column */
.sd-play-side .sd-level-picker { margin: 0; padding: 0; align-items: flex-start; }
.sd-play-side .sd-level-seg { justify-content: flex-start; }
@media (max-width: 900px) {
  .sd-play-grid { grid-template-columns: 1fr; }
  .sd-game-shell { padding: 18px 14px 0; }
  .sd-rec-card .sd-audio-controls { justify-content: center; }
}

/* ---------- practice page ---------- */
.sd-practice-wrap { max-width: 640px; margin: 40px auto 0; padding: 0 20px; }
.sd-practice-card {
  background: var(--sd-surface); border: 1px solid var(--sd-border);
  border-radius: 20px; padding: 36px 34px 30px;
  box-shadow: 0 4px 16px rgba(36, 31, 51, 0.06); text-align: center;
}
.sd-practice-title {
  margin: 0; font-size: 1.75rem; font-weight: 800; letter-spacing: -0.02em;
  color: var(--sd-ink-strong); line-height: 1.25;
}
.sd-practice-subtitle { margin: 10px 0 0; font-size: 0.92rem; color: var(--sd-ink-soft); line-height: 1.5; }

.sd-head-card {
  max-width: none; margin: 0; padding: 16px 20px;
  background: var(--sd-surface); border: 1px solid var(--sd-border);
  border-radius: 16px; box-shadow: 0 1px 2px rgba(36,31,51,0.04);
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px;
}
.sd-head-card h2 { margin: 0; font-size: 1.15rem; }

/* ---------- dice (3D, kept) ---------- */
.sd-dice-row {
  display: flex; gap: 22px 30px; flex-wrap: wrap; justify-content: center;
  margin: 30px 0 8px;
}
.sd-die-wrap { display: flex; flex-direction: column; align-items: center; gap: 8px; }
.sd-die-label {
  font-size: 0.72rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 1.2px; color: #8A8398;
}

.sd-scene {
  --size: 96px; --half: 48px;
  width: var(--size); height: var(--size);
  perspective: 620px; margin-top: 4px; cursor: default;
}
.sd-scene.sd-reorderable { cursor: pointer; }
.sd-bouncer { width: 100%; height: 100%; }
.sd-scene.sd-rolling .sd-bouncer { animation: sd-bounce var(--sd-roll-time, 1.6s) cubic-bezier(0.3,0.1,0.3,1) both; }

@keyframes sd-bounce {
  0% { transform: translateY(0); } 12% { transform: translateY(-80px); }
  32% { transform: translateY(0) scale(1.04,0.94); } 38% { transform: translateY(-3px) scale(1,1); }
  52% { transform: translateY(-38px); } 68% { transform: translateY(0) scale(1.03,0.96); }
  74% { transform: translateY(-2px) scale(1,1); } 84% { transform: translateY(-13px); }
  94% { transform: translateY(0) scale(1.02,0.98); } 100% { transform: translateY(0) scale(1,1); }
}

.sd-cube { width: 100%; height: 100%; position: relative; transform-style: preserve-3d; transform: rotateX(0) rotateY(0); }
.sd-cube.sd-spinning { transition: transform var(--sd-roll-time, 1.6s) cubic-bezier(0.22,0.9,0.3,1); }

.sd-face {
  position: absolute; inset: 0; border-radius: 18px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  line-height: 1.1; font-weight: 800; color: #fff; font-size: 1.6rem;
  text-shadow: 0 2px 3px rgba(0,0,0,0.3), 0 1px 0 rgba(255,255,255,0.15);
  backface-visibility: hidden; user-select: none;
  box-shadow: inset 0 3px 4px rgba(255,255,255,0.45), inset 0 -10px 14px rgba(0,0,0,0.22),
    inset 6px 0 10px rgba(255,255,255,0.10);
}
.sd-face.sd-two { font-size: 0.98rem; gap: 2px; }

.sd-face:nth-child(1) { transform: rotateY(  0deg) translateZ(var(--half)); }
.sd-face:nth-child(2) { transform: rotateY(180deg) translateZ(var(--half)); }
.sd-face:nth-child(3) { transform: rotateY( 90deg) translateZ(var(--half)); }
.sd-face:nth-child(4) { transform: rotateY(-90deg) translateZ(var(--half)); }
.sd-face:nth-child(5) { transform: rotateX( 90deg) translateZ(var(--half)); }
.sd-face:nth-child(6) { transform: rotateX(-90deg) translateZ(var(--half)); }

.sd-die-red    .sd-face { background: linear-gradient(155deg,#F17364 0%,#EF5A4C 35%,#D33A2C 75%,#B92E22 100%); }
.sd-die-orange .sd-face { background: linear-gradient(155deg,#FBB758 0%,#F5A028 35%,#E07E10 75%,#C46A0C 100%); }
.sd-die-yellow .sd-face { background: linear-gradient(155deg,#FBD979 0%,#F6C445 35%,#E3B02F 75%,#D4A12A 100%); color:#5a4200; text-shadow:0 1px 2px rgba(255,255,255,0.4); }
.sd-die-green  .sd-face { background: linear-gradient(155deg,#5FC47C 0%,#35A85A 35%,#268F49 75%,#1F7D40 100%); }
.sd-die-blue   .sd-face { background: linear-gradient(155deg,#6FA9E0 0%,#4B8FD6 35%,#356FB0 75%,#2A5C94 100%); }
.sd-die-purple .sd-face { background: linear-gradient(155deg,#B692F7 0%,#9B6BF3 35%,#7E4FD8 75%,#6D3FC0 100%); }

.sd-ground {
  width: 76px; height: 12px; margin-top: 12px; border-radius: 50%;
  background: rgba(60,20,120,0.20); filter: blur(3px);
}
.sd-scene.sd-rolling ~ .sd-ground { animation: sd-ground var(--sd-roll-time,1.6s) cubic-bezier(0.3,0.1,0.3,1) both; }
@keyframes sd-ground {
  0% { transform: scale(1); opacity: 1; } 12% { transform: scale(0.55); opacity: 0.4; }
  32% { transform: scale(1.08); opacity: 1; } 52% { transform: scale(0.72); opacity: 0.6; }
  68% { transform: scale(1.05); opacity: 1; } 84% { transform: scale(0.9); opacity: 0.8; }
  100% { transform: scale(1); opacity: 1; }
}

.sd-scene.sd-selected .sd-cube { outline: 4px solid var(--sd-primary); outline-offset: 6px; border-radius: 18px; }
.sd-reorder-hint { font-size: 0.85rem; color: var(--sd-ink-soft); min-height: 1.3em; margin: 6px 0; }

/* ---------- roll + result + key row ---------- */
.sd-result { font-size: 1.25rem; min-height: 0.4em; margin-top: 12px; color: var(--sd-ink); }
.sd-result strong { color: var(--sd-primary); }

.sd-key-row {
  margin-top: 26px; padding-top: 24px; border-top: 1px solid #F0ECF8;
  display: flex; align-items: center; justify-content: center; gap: 12px; flex-wrap: wrap;
}

/* ---------- panels (recorder, join) ---------- */
.sd-panel {
  background: var(--sd-surface); border: 1px solid var(--sd-border);
  border-radius: 16px; padding: 20px 22px; margin: 20px auto 0; max-width: 640px;
  box-shadow: 0 1px 2px rgba(36,31,51,0.04); text-align: center;
}
.sd-panel h2, .sd-panel h3 { margin: 0 0 6px; }
.sd-instructions { font-size: 0.95rem; text-align: left; white-space: pre-wrap; color: var(--sd-ink); }

.sd-timer { font-weight: 700; color: var(--sd-primary); font-size: 1rem; }
.sd-timer.sd-timer-low { color: var(--sd-danger); }

.sd-status { min-height: 1.4em; font-size: 0.9rem; color: var(--sd-ink-soft); margin-top: 8px; }
.sd-status.sd-ok { color: #0D7A6F; font-weight: 700; }
.sd-status.sd-err { color: var(--sd-danger); font-weight: 700; }

.sd-rec-dot { display: inline-block; width: 11px; height: 11px; border-radius: 50%;
  background: #EF5A4C; margin-right: 6px; animation: sd-blink 1s infinite; }
@keyframes sd-blink { 50% { opacity: 0.2; } }

.sd-notice { padding: 40px; text-align: center; }
.sd-audio-controls { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 10px; }

/* join form */
.sd-join-fields { display: flex; flex-direction: column; gap: 10px; max-width: 320px; margin: 14px auto 0; }
.sd-join-fields .sd-input { text-align: center; font-size: 1.05rem; }

@media (max-width: 640px) {
  .sd-practice-wrap { margin-top: 24px; padding: 0 14px; }
  .sd-practice-card { padding: 26px 20px 24px; border-radius: 16px; }
  .sd-practice-title { font-size: 1.4rem; }
  .sd-scene { --size: 76px; --half: 38px; }
  .sd-face { font-size: 1.3rem; }
  .sd-face.sd-two { font-size: 0.82rem; }
  .sd-dice-row { gap: 16px 20px; margin-top: 22px; }
  .sd-panel, .sd-head-card { max-width: 100%; }
}

/* ---------- teacher preview ---------- */
.sd-preview-banner {
  max-width: 820px; margin: 22px auto 0; padding: 12px 18px; border-radius: 12px;
  background: var(--sd-primary-light); border: 1px solid #D8C4FF;
  color: var(--sd-primary-deep); font-size: 0.9rem; font-weight: 600; text-align: center;
}
/* Level picker: a clean segmented control (named tiers Sound Check → Maestro). */
.sd-level-picker {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  max-width: 820px; margin: 16px auto 0; padding: 0 16px;
}
.sd-level-label {
  font-size: 0.72rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 1.2px; color: var(--sd-ink-soft);
}
.sd-level-seg {
  display: inline-flex; flex-wrap: wrap; justify-content: center; gap: 4px;
  background: var(--sd-surface-tint); border: 1px solid var(--sd-border-strong);
  border-radius: 14px; padding: 4px;
}
.sd-level-btn {
  font-family: inherit; cursor: pointer; color: var(--sd-primary);
  background: transparent; border: 0; border-radius: 10px;
  padding: 6px 14px; min-width: 92px; line-height: 1.15;
  display: flex; flex-direction: column; align-items: center; gap: 1px;
  transition: background 0.12s ease, color 0.12s ease;
}
.sd-level-name { font-weight: 700; font-size: 0.9rem; }
.sd-level-sub { font-size: 0.68rem; font-weight: 600; opacity: 0.7; }
.sd-level-btn:hover:not(.sd-on) { background: var(--sd-primary-light); }
.sd-level-btn.sd-on {
  background: var(--sd-primary); color: #fff;
  box-shadow: 0 1px 3px rgba(76,29,149,0.35);
}


/* ---------- drag-to-reorder dice ---------- */
.sd-die-wrap[draggable="true"] { cursor: grab; }
.sd-die-wrap.sd-dragging { opacity: 0.45; }
.sd-drop-target .sd-cube { outline: 3px dashed var(--sd-primary); outline-offset: 6px; border-radius: 18px; }

/* ---------- tonality (Major / Minor) selector — segmented control ---------- */
.sd-mode-row {
  display: inline-flex; align-items: center; gap: 4px; flex-wrap: wrap; justify-content: center;
  margin: 18px auto 4px; padding: 4px;
  background: var(--sd-surface-tint); border: 1px solid var(--sd-border-strong);
  border-radius: 14px;
}
.sd-mode-row .sd-muted {
  font-weight: 700; font-size: 0.72rem; text-transform: uppercase;
  letter-spacing: 1px; padding: 0 8px 0 6px;
}
.sd-mode-btn {
  font-family: inherit; font-weight: 700; font-size: 0.85rem; color: var(--sd-primary);
  background: transparent; border: 0; border-radius: 10px;
  padding: 7px 14px; cursor: pointer;
  transition: background 0.12s ease, color 0.12s ease;
}
.sd-mode-btn:hover:not(.sd-on) { background: var(--sd-primary-light); }
.sd-mode-btn.sd-on { background: var(--sd-primary); color: #fff; box-shadow: 0 1px 3px rgba(76,29,149,0.35); }

/* ---------- v0.8.8: stacked three-band layout ---------- */
/* Band 1: mode + level pickers · Band 2: pitched dice row · Band 3: controls */
.sd-stacked { display: flex; flex-direction: column; gap: 16px; }
.sd-picker-band { display: flex; flex-direction: column; gap: 10px; align-items: center; }
.sd-picker-band .sd-level-picker { margin: 0; padding: 0; }
.sd-stacked .sd-play-main { max-width: 940px; width: 100%; margin: 0 auto; }
.sd-stacked .sd-play-main .sd-practice-card { margin: 0; }
.sd-stacked .sd-panel { margin-top: 0; }
.sd-stacked .sd-inst-card { text-align: left; }

/* ---------- v0.8.8: pitched dice row ----------
   One row, no wrapping. Each die floats to its note's height (higher note =
   higher die) — like a staff without the lines. --sd-pitch-pad is set from JS
   to half the pitch spread so nothing clips. */
.sd-dice-row.sd-pitched {
  position: relative;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: center;
  padding: calc(var(--sd-pitch-pad, 10px) + 8px) 10px
           calc(var(--sd-pitch-pad, 10px) + 36px);
  margin: 12px 0 0;
  overflow-x: auto;
  overflow-y: visible;
}
.sd-pitched .sd-die-wrap {
  position: relative;
  flex: 0 0 auto;
  transition: transform 0.7s cubic-bezier(0.30, 1.35, 0.45, 1);
}

/* Home-note guide: a faint dashed line at do (major) / la (minor). */
.sd-home-line {
  position: absolute; left: 8px; right: 8px; height: 0;
  border-top: 2px dashed rgba(109, 40, 217, 0.22);
  pointer-events: none;
}
.sd-home-label {
  position: absolute; left: 2px; top: -1.35em;
  font-size: 0.68rem; font-weight: 800; letter-spacing: 0.5px;
  color: rgba(109, 40, 217, 0.5);
}

/* Shrink dice as the row gets fuller so 5–6 fit on a Chromebook. */
.sd-dice-row.sd-n5 { gap: 16px; }
.sd-dice-row.sd-n5 .sd-scene { --size: 84px; --half: 42px; }
.sd-dice-row.sd-n5 .sd-face { font-size: 1.45rem; }
.sd-dice-row.sd-n6 { gap: 14px; }
.sd-dice-row.sd-n6 .sd-scene { --size: 78px; --half: 39px; }
.sd-dice-row.sd-n6 .sd-face { font-size: 1.35rem; }
.sd-n5 .sd-ground, .sd-n6 .sd-ground { width: 62px; }

/* Instant-feedback pills (Rehearsal): under each die after a take. */
.sd-pitch-pill {
  position: absolute; bottom: -30px; left: 50%; transform: translateX(-50%);
  min-width: 26px; height: 26px; padding: 0 6px; border-radius: 999px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.82rem; font-weight: 800; color: #fff;
  box-shadow: 0 1px 3px rgba(36, 31, 51, 0.25);
}
.sd-pitch-pill.sd-p-good  { background: #10B981; }
.sd-pitch-pill.sd-p-close { background: #F59E0B; }
.sd-pitch-pill.sd-p-miss  { background: #EF4444; }

@media (max-width: 720px) {
  .sd-dice-row.sd-pitched { justify-content: flex-start; }
  .sd-dice-row.sd-n5 .sd-scene, .sd-dice-row.sd-n6 .sd-scene { --size: 64px; --half: 32px; }
  .sd-dice-row.sd-n5 .sd-face, .sd-dice-row.sd-n6 .sd-face { font-size: 1.1rem; }
}

/* ---------- v0.8.9: compact, fit-without-scrolling layout ---------- */

/* Mode + Level pickers share ONE row (wrap on narrow screens). */
.sd-picker-band { flex-direction: row; flex-wrap: wrap; justify-content: center; align-items: flex-start; gap: 12px 26px; }

/* Dashboard card: no big header, tighter padding, wider so the row breathes. */
.sd-practice-card.sd-compact { padding: 14px 20px 16px; }
.sd-stacked { gap: 12px; }
.sd-stacked .sd-play-main { max-width: 1080px; }

/* Die color labels add clutter + height in the pitched row — colors speak. */
.sd-pitched .sd-die-label { display: none; }

/* Tighter dice row + smaller ground shadow. */
.sd-dice-row.sd-pitched {
  margin: 2px 0 0;
  padding: calc(var(--sd-pitch-pad, 10px) + 4px) 10px
           calc(var(--sd-pitch-pad, 10px) + 32px);
}
.sd-pitched .sd-ground { margin-top: 8px; height: 9px; }

/* One control row: Roll + key + hear buttons side by side. */
.sd-controls-row { margin-top: 10px; padding-top: 12px; gap: 10px 14px; }
.sd-controls-row .sd-btn-pill { padding: 11px 24px; font-size: 0.95rem; }
.sd-result { margin-top: 8px; font-size: 1.1rem; }
.sd-reorder-hint { margin: 4px 0 0; font-size: 0.8rem; }

/* Die being sung right now (live pacing guide). */
.sd-scene.sd-singing .sd-cube {
  outline: 3px solid var(--sd-accent-amber);
  outline-offset: 5px; border-radius: 18px;
}

/* Rehearsal listen bar: slim strip instead of a full panel. */
.sd-listen-bar {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center;
  gap: 6px 16px; padding: 10px 16px;
}
.sd-listen-bar .sd-audio-controls { margin: 0; }
.sd-listen-bar .sd-status { margin-top: 0; min-height: 0; }
.sd-listen-bar .sd-btn { font-size: 0.85rem; padding: 8px 14px; }