:root {
  --navy: #0a1628;
  --navy-deep: #050d1a;
  --navy-mid: #102544;
  --gold: #d4a02a;
  --gold-soft: #b7851a;
  --gold-dim: rgba(212, 160, 42, 0.2);
  --paper: #fbf8ee;
  --text: #2d3748;
  --text-light: #718096;
  --border: #e2e0dc;
  --card-bg: #ffffff;
  --gold-light: #f5e6c8;
  --bg: #faf9f7;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; overflow: hidden; }
body {
  font-family: 'Georgia', 'Times New Roman', serif;
  background: var(--navy-deep);
  color: var(--text);
  line-height: 1.5;
}

#app { height: 100%; display: flex; flex-direction: column; }
.view { display: none; flex: 1; min-height: 0; }
.view.active { display: flex; flex-direction: column; }

/* ============ Landing / splash view ============ */
#view-landing.active { align-items: center; justify-content: center; padding: 2em 1em; overflow-y: auto; }

.landing-card {
  position: relative;
  width: 100%;
  max-width: 820px;
  background: radial-gradient(ellipse at top, var(--navy-mid) 0%, var(--navy) 50%, var(--navy-deep) 100%);
  border-radius: 8px;
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.6),
              inset 0 0 0 1px rgba(212, 160, 42, 0.2);
  padding: 3em 2em 3.5em;
  text-align: center;
}
.landing-ornament {
  color: var(--gold);
  font-size: 0.85em;
  letter-spacing: 0.5em;
  opacity: 0.55;
  margin-bottom: 1em;
}
.landing-title {
  color: var(--gold);
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 2em;
  letter-spacing: 0.18em;
  font-variant: small-caps;
  margin-bottom: 0.2em;
}
.landing-subtitle {
  color: rgba(212, 160, 42, 0.7);
  font-style: italic;
  font-size: 0.95em;
  letter-spacing: 0.05em;
  margin-bottom: 2.2em;
}
.landing-prompt {
  color: var(--gold-light);
  font-family: Georgia, serif;
  font-size: 1em;
  margin-bottom: 1.2em;
  letter-spacing: 0.04em;
}
.landing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0.8em;
  max-width: 600px;
  margin: 0 auto;
}
.landing-grid a {
  display: block;
  padding: 1.2em 1em;
  background: rgba(255, 255, 255, 0.04);
  color: var(--gold-light);
  text-align: center;
  text-decoration: none;
  border-radius: 4px;
  border: 1px solid var(--gold-soft);
  font-family: Georgia, serif;
  font-size: 1.05em;
  letter-spacing: 0.03em;
  transition: background 0.15s, border-color 0.15s, transform 0.1s;
}
.landing-grid a:hover {
  background: rgba(212, 160, 42, 0.12);
  border-color: var(--gold);
  transform: translateY(-1px);
}
.landing-score-link {
  display: inline-block;
  margin-top: 1.8em;
  color: rgba(255, 255, 255, 0.45);
  text-decoration: none;
  font-family: Georgia, serif;
  font-size: 0.88em;
  font-style: italic;
}
.landing-score-link:hover { color: var(--gold); }
.landing-hint {
  color: rgba(255, 255, 255, 0.35);
  font-family: Georgia, serif;
  font-style: italic;
  font-size: 0.78em;
  margin-top: 2em;
  letter-spacing: 0.03em;
}

/* ============ Top bar (per-part + score) ============ */
.topbar {
  flex-shrink: 0;
  background: var(--navy);
  color: white;
  padding: 0.5em 1em;
  display: flex;
  align-items: center;
  gap: 0.8em;
  flex-wrap: wrap;
  border-bottom: 2px solid var(--gold-soft);
}
.topbar-brand {
  font-family: Georgia, serif;
  font-size: 0.95em;
  letter-spacing: 0.05em;
  white-space: nowrap;
}
.topbar-brand .label {
  color: var(--gold);
  font-style: italic;
  font-size: 0.85em;
  margin-left: 0.4em;
}
.topbar-spacer { flex: 1; }
.topbar select,
.topbar .toggle {
  background: rgba(255, 255, 255, 0.08);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 3px;
  padding: 0.3em 0.6em;
  font-size: 0.82em;
  font-family: -apple-system, 'Segoe UI', sans-serif;
}
.topbar .toggle {
  display: inline-flex;
  padding: 0;
  overflow: hidden;
}
.topbar .toggle button {
  background: transparent;
  color: rgba(255, 255, 255, 0.55);
  border: none;
  padding: 0.35em 0.8em;
  font-size: 0.78em;
  font-family: inherit;
  cursor: pointer;
  border-right: 1px solid rgba(255, 255, 255, 0.15);
}
.topbar .toggle button:last-child { border-right: none; }
.topbar .toggle button.on {
  background: var(--gold-soft);
  color: white;
}
.topbar .countdown-badge {
  background: rgba(212, 160, 42, 0.15);
  color: var(--gold);
  border: 1px solid rgba(212, 160, 42, 0.4);
  border-radius: 3px;
  padding: 0.3em 0.7em;
  font-size: 0.78em;
  font-family: -apple-system, 'Segoe UI', sans-serif;
  cursor: pointer;
  white-space: nowrap;
}
.topbar .countdown-badge:hover { background: rgba(212, 160, 42, 0.25); }
.topbar a.btn {
  background: rgba(255, 255, 255, 0.08);
  color: white;
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 3px;
  padding: 0.35em 0.7em;
  font-size: 0.8em;
  font-family: -apple-system, 'Segoe UI', sans-serif;
}
.topbar a.btn:hover { background: rgba(255, 255, 255, 0.15); }

/* ============ Playback controls (in topbar) ============ */
.midi-bar {
  display: inline-flex;
  align-items: center;
  gap: 0.35em;
  padding-left: 0.4em;
  border-left: 1px solid rgba(212, 160, 42, 0.25);
  margin-left: 0.4em;
}
.midi-btn {
  background: rgba(255, 255, 255, 0.06);
  color: var(--gold-light);
  border: 1px solid rgba(212, 160, 42, 0.4);
  border-radius: 3px;
  padding: 0.4em 0.75em;
  font-size: 0.78em;
  font-family: -apple-system, 'Segoe UI', sans-serif;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}
.midi-btn:hover { background: rgba(212, 160, 42, 0.15); border-color: var(--gold); color: white; }
.midi-btn.primary {
  background: var(--gold-soft);
  color: var(--navy);
  border-color: var(--gold-soft);
}
.midi-btn.primary:hover { background: var(--gold); border-color: var(--gold); color: var(--navy); }
.midi-btn.stop {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.5);
  padding: 0.4em 0.7em;
}
.midi-btn.stop:hover { color: white; border-color: rgba(255, 255, 255, 0.5); background: rgba(255, 255, 255, 0.04); }

/* ============ Per-part main layout ============ */
.part-body {
  flex: 1;
  display: flex;
  min-height: 0;
  background: var(--navy);
}
.part-sidebar {
  width: 220px;
  flex-shrink: 0;
  background: var(--navy);
  color: var(--gold-light);
  padding: 1em 1em 0.6em;
  border-right: 1px solid rgba(212, 160, 42, 0.2);
  overflow-y: auto;
  position: relative;
}
.part-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  background: var(--navy-deep);
  position: relative;
}
.part-music {
  flex: 1;
  min-height: 0;
  background: var(--paper);
  position: relative;
  margin: 0.7em 0.9em 0.9em;
  border: 1px solid rgba(212, 160, 42, 0.55);
  box-shadow:
    0 0 0 1px var(--navy-deep),
    0 0 0 4px rgba(212, 160, 42, 0.18),
    0 10px 36px rgba(0, 0, 0, 0.55),
    inset 0 0 80px rgba(212, 160, 42, 0.05);
  border-radius: 3px;
  overflow: hidden;
}
.part-music embed,
.part-music iframe,
.part-music object {
  width: 100%;
  height: 100%;
  border: none;
  background: white;
  display: block;
}

/* Sidebar internals */
.sb-section { margin-bottom: 1.4em; }
.sb-label {
  font-size: 0.72em;
  text-transform: uppercase;
  color: var(--gold);
  letter-spacing: 0.08em;
  border-bottom: 1px solid rgba(212, 160, 42, 0.4);
  padding-bottom: 0.25em;
  margin-bottom: 0.7em;
}

.countdown-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(212, 160, 42, 0.4);
  border-radius: 4px;
  padding: 0.7em;
  text-align: center;
}
.countdown-number {
  font-size: 1.6em;
  font-weight: bold;
  color: var(--gold);
  line-height: 1.1;
}
.countdown-label {
  font-size: 0.72em;
  color: rgba(255, 255, 255, 0.55);
  margin-top: 0.15em;
}
.countdown-flip {
  background: none;
  border: none;
  color: var(--gold-soft);
  font-size: 0.72em;
  cursor: pointer;
  text-decoration: underline;
  margin-top: 0.4em;
  font-family: inherit;
}
.countdown-back {
  display: none;
  text-align: left;
}
.countdown-back label {
  display: block;
  font-size: 0.78em;
  color: var(--gold-light);
  margin-bottom: 0.3em;
}
.countdown-back input[type="date"] {
  font-size: 0.85em;
  padding: 0.3em;
  border: 1px solid rgba(212, 160, 42, 0.5);
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--gold-light);
  width: 100%;
}
.countdown-back .save {
  margin-top: 0.5em;
  padding: 0.35em 0.9em;
  background: var(--gold-soft);
  color: white;
  border: none;
  border-radius: 3px;
  font-size: 0.8em;
  cursor: pointer;
  font-family: inherit;
}
.countdown-back .clear {
  margin-left: 0.5em;
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.72em;
  text-decoration: underline;
  cursor: pointer;
  font-family: inherit;
}

.spot-btn {
  display: block;
  width: 100%;
  text-align: left;
  background: rgba(212, 160, 42, 0.08);
  border: 1px solid rgba(212, 160, 42, 0.3);
  color: var(--gold-light);
  padding: 0.4em 0.7em;
  margin-bottom: 0.3em;
  border-radius: 3px;
  font-size: 0.8em;
  cursor: pointer;
  font-family: inherit;
}
.spot-btn:hover { background: rgba(212, 160, 42, 0.18); border-color: var(--gold); }
.spot-empty {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.78em;
  font-style: italic;
}

.tool-link {
  display: block;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(212, 160, 42, 0.3);
  border-radius: 3px;
  padding: 0.5em 0.7em;
  font-size: 0.82em;
  margin-bottom: 0.4em;
  color: var(--gold-light);
  text-decoration: none;
}
.tool-link:hover { background: rgba(212, 160, 42, 0.12); }

.tip-box {
  border-radius: 4px;
  padding: 0.6em 0.8em;
  margin-bottom: 0.5em;
  font-size: 0.78em;
  line-height: 1.5;
  color: var(--gold-light);
  background: rgba(255, 255, 255, 0.04);
}
.tip-box .tip-title {
  font-size: 0.72em;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gold);
  margin-bottom: 0.35em;
}
.tip-box.role { border-left: 3px solid var(--gold-soft); }
.tip-box.concert { border-left: 3px solid var(--gold); }

.frame-mushroom {
  position: absolute;
  bottom: 0.7em;
  left: 0.7em;
  width: 32px;
  height: 32px;
  image-rendering: pixelated;
  pointer-events: none;
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.4));
}
.frame-mushroom img { width: 100%; height: 100%; display: block; }
.mushroom-sprite {
  background-image: url('mushrooms.png');
  background-size: 1100% 1100%;
  background-repeat: no-repeat;
  background-position: calc(var(--mush-col, 0) * 10%) calc(var(--mush-row, 0) * 10%);
  image-rendering: pixelated;
}

/* ============ Score view ============ */
.score-music {
  flex: 1;
  min-height: 0;
  background: var(--paper);
  margin: 0.7em 0.9em 0.9em;
  border: 1px solid rgba(212, 160, 42, 0.55);
  box-shadow:
    0 0 0 1px var(--navy-deep),
    0 0 0 4px rgba(212, 160, 42, 0.18),
    0 10px 36px rgba(0, 0, 0, 0.55),
    inset 0 0 80px rgba(212, 160, 42, 0.05);
  border-radius: 3px;
  overflow: hidden;
  position: relative;
}
.score-music embed,
.score-music iframe { width: 100%; height: 100%; border: none; background: white; display: block; }

/* ============ Mobile ============ */
@media (max-width: 768px) {
  .part-body { flex-direction: column; }
  .part-sidebar { width: 100%; max-height: 30vh; border-right: none; border-bottom: 1px solid rgba(212, 160, 42, 0.2); }
  .topbar { gap: 0.4em; padding: 0.4em 0.6em; }
  .topbar-brand { font-size: 0.85em; }
}