:root{
  --bg: #0d0f18;
  --bg-2: #141827;
  --bg-3: #1c2138;
  --line: #2a2f4a;
  --line-2: #363c5b;
  --ink: #f0ebdb;         /* warm off-white (program-paper) */
  --ink-mute: #b6b4a5;
  --ink-dim: #7c7d8a;
  --gold: #e5b34b;        /* brass */
  --gold-2: #f0c76a;
  --burgundy: #a03444;    /* stage curtain */
  --teal: #4ac6b3;
  --violet: #8b6ee0;
  --blue: #5aa7ff;
  --pink: #e07ea8;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow-lg: 0 30px 60px -20px rgba(0,0,0,.55), 0 8px 20px -6px rgba(0,0,0,.4);
  --shadow-md: 0 10px 30px -10px rgba(0,0,0,.5);
  --font-body: 'General Sans', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Cabinet Grotesk', 'General Sans', ui-sans-serif, system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}

*{ box-sizing: border-box; }
html, body { height: 100%; }
body{
  margin: 0;
  background:
    radial-gradient(1200px 500px at 85% -10%, rgba(229,179,75,.10), transparent 60%),
    radial-gradient(900px 400px at -10% 10%, rgba(160,52,68,.14), transparent 60%),
    var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

/* --- Topbar --- */
.topbar{
  position: sticky; top: 0; z-index: 30;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 28px;
  background: rgba(13,15,24,.78);
  backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.brand{ display: flex; align-items: center; gap: 12px; }
.logo{ display:block; }
.brand-text{ line-height: 1.1; }
.brand-title{ font-family: var(--font-display); font-weight: 700; font-size: 17px; letter-spacing: -.01em;}
.brand-sub{ font-size: 11.5px; color: var(--ink-dim); margin-top:2px; letter-spacing: .04em; text-transform: uppercase;}
.tabs{ display: flex; gap: 4px; flex-wrap: wrap; }
.tab{
  background: transparent; color: var(--ink-mute); border: 1px solid transparent;
  padding: 8px 14px; border-radius: 999px; font-family: inherit; font-size: 13px; font-weight: 500;
  cursor: pointer; transition: color .18s ease, background .18s ease, border-color .18s ease;
}
.tab:hover{ color: var(--ink); background: rgba(255,255,255,.03); }
.tab.active{ background: var(--gold); color: #16110a; border-color: var(--gold); font-weight: 600;}

/* --- Layout --- */
main{ max-width: 1320px; margin: 0 auto; padding: 32px 28px 80px; }
.view{ display: none; }
.view.active{ display: block; animation: fade .25s ease; }
@keyframes fade { from{opacity: 0; transform: translateY(4px);} to{opacity: 1; transform: none;} }

.view-head{ margin-bottom: 22px; }
.view-title{
  font-family: var(--font-display); font-weight: 700; font-size: 30px; letter-spacing: -.02em;
  margin: 0 0 6px;
}
.view-sub{ color: var(--ink-mute); margin: 0; }

/* --- Hero --- */
.hero{
  padding: 44px 40px 28px;
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(229,179,75,.08), transparent 40%),
    linear-gradient(180deg, var(--bg-2), var(--bg));
  border-radius: var(--radius-lg);
  margin-bottom: 24px;
  position: relative; overflow: hidden;
}
.hero:before{
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(600px 260px at 90% 20%, rgba(229,179,75,.12), transparent 60%);
  pointer-events: none;
}
.hero-eyebrow{
  color: var(--gold); font-family: var(--font-mono); font-size: 11.5px;
  letter-spacing: .18em; text-transform: uppercase; margin-bottom: 12px;
}
.hero-title{
  font-family: var(--font-display); font-weight: 700; font-size: 44px; line-height: 1.04;
  letter-spacing: -.02em; margin: 0 0 12px; max-width: 900px;
}
.hero-title em{
  font-style: normal;
  background: linear-gradient(180deg, var(--gold-2), var(--gold));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-lede{ color: var(--ink-mute); max-width: 720px; margin: 0; font-size: 15px;}

/* --- KPI --- */
.kpi-grid{
  display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px;
  margin-bottom: 24px;
}
.kpi{
  padding: 18px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.kpi-label{ color: var(--ink-mute); font-size: 11.5px; text-transform: uppercase; letter-spacing: .12em; }
.kpi-value{
  font-family: var(--font-display); font-weight: 700; font-size: 32px;
  margin-top: 8px; letter-spacing: -.02em;
}
.kpi-sub{ color: var(--ink-dim); font-size: 12px; margin-top: 4px;}

/* --- Card + charts --- */
.row-2{ display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 18px; }
.card{
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 20px 22px;
}
.card-head{ margin-bottom: 14px; }
.card-head h2{ font-family: var(--font-display); font-weight: 700; font-size: 18px; margin: 0; letter-spacing: -.01em;}
.card-sub{ color: var(--ink-dim); font-size: 12.5px; margin-top: 3px;}
.chart-wrap{ position: relative; height: 240px; }
.chart-wrap.tall{ height: 340px; }

/* Rank lists (Top pieces/composers) */
.mini-title{
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .12em; text-transform: uppercase;
  color: var(--ink-dim); margin-bottom: 8px;
}
.rank-list{ list-style: none; margin: 0; padding: 0;}
.rank-list li{
  display: grid; grid-template-columns: 22px 1fr auto; gap: 10px; align-items: baseline;
  padding: 10px 0; border-bottom: 1px dashed var(--line);
}
.rank-list li:last-child{ border-bottom: none;}
.rank-list .rank{ color: var(--gold); font-family: var(--font-mono); font-size: 12px;}
.rank-list .name{ color: var(--ink); }
.rank-list .name small{ display:block; color: var(--ink-dim); font-size: 12px; margin-top:2px;}
.rank-list .count{
  font-family: var(--font-mono); color: var(--ink-mute); background: rgba(255,255,255,.04);
  padding: 2px 8px; border-radius: 999px; font-size: 12px;
}

/* --- Toolbar --- */
.toolbar{
  display: flex; gap: 12px; align-items: center; flex-wrap: wrap;
  margin-bottom: 14px;
}
.search{
  background: var(--bg-2); border: 1px solid var(--line); border-radius: 8px;
  color: var(--ink); padding: 10px 14px; width: 340px; font: inherit;
  outline: none; transition: border-color .15s, box-shadow .15s;
}
.search:focus{ border-color: var(--gold); box-shadow: 0 0 0 3px rgba(229,179,75,.15);}
.chip-group{ display: flex; gap: 6px; flex-wrap: wrap;}
.chip{
  background: var(--bg-2); border: 1px solid var(--line); color: var(--ink-mute);
  border-radius: 999px; padding: 7px 12px; font: inherit; font-size: 12.5px; cursor: pointer;
  transition: color .15s, border-color .15s, background .15s;
}
.chip:hover{ color: var(--ink); border-color: var(--line-2);}
.chip.active{ background: rgba(229,179,75,.14); border-color: var(--gold); color: var(--gold-2);}

/* --- Tables --- */
.table-wrap{
  border: 1px solid var(--line); border-radius: var(--radius-lg);
  background: var(--bg-2); overflow: hidden;
}
.datatable{
  width: 100%; border-collapse: collapse; font-size: 13.5px;
}
.datatable thead th{
  text-align: left; padding: 14px 16px; font-weight: 600; color: var(--ink-mute);
  font-size: 11.5px; text-transform: uppercase; letter-spacing: .08em;
  background: var(--bg-3); border-bottom: 1px solid var(--line);
  cursor: pointer; user-select: none; white-space: nowrap;
}
.datatable thead th.num{ text-align: right;}
.datatable thead th:hover{ color: var(--ink);}
.datatable tbody td{ padding: 12px 16px; border-bottom: 1px solid var(--line);}
.datatable tbody td.num{ text-align: right; font-family: var(--font-mono); font-size: 12.5px; color: var(--ink-mute);}
.datatable tbody tr{ transition: background .12s ease; cursor: pointer;}
.datatable tbody tr:hover{ background: rgba(255,255,255,.03);}
.datatable tbody tr:last-child td{ border-bottom: none;}

.badge{
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(255,255,255,.04); border: 1px solid var(--line);
  border-radius: 999px; padding: 2px 9px; font-size: 11.5px; color: var(--ink-mute);
  font-family: var(--font-mono);
}
.badge.season-Spring{ color: var(--teal); border-color: rgba(74,198,179,.35); background: rgba(74,198,179,.08);}
.badge.season-Christmas{ color: var(--burgundy); border-color: rgba(160,52,68,.4); background: rgba(160,52,68,.1);}
.badge.season-Winter{ color: var(--blue); border-color: rgba(90,167,255,.35); background: rgba(90,167,255,.08);}
.badge.season-Combined{ color: var(--violet); border-color: rgba(139,110,224,.35); background: rgba(139,110,224,.08);}
.badge.family-Woodwind{ color: var(--teal); }
.badge.family-Brass{ color: var(--gold); }
.badge.family-Percussion{ color: var(--pink); }
.badge.family-Voice{ color: var(--violet); }
.badge.family-Keyboard{ color: var(--blue); }

.instr-list{ display: flex; flex-wrap: wrap; gap: 4px;}
.instr-list .badge{ font-size: 10.5px; padding: 2px 7px;}

/* --- Dialog (detail) --- */
dialog#detail{
  border: 1px solid var(--line);
  background: var(--bg-2);
  color: var(--ink);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 0;
  width: min(900px, 92vw);
  max-height: 86vh;
  overflow: hidden;
}
dialog#detail::backdrop{ background: rgba(6,7,12,.68); backdrop-filter: blur(2px);}
.dialog-head{
  padding: 22px 26px 16px; border-bottom: 1px solid var(--line); position: relative;
}
.dialog-eyebrow{
  font-family: var(--font-mono); color: var(--gold); font-size: 11.5px;
  letter-spacing: .16em; text-transform: uppercase; margin-bottom: 6px;
}
.dialog-head h2{ margin: 0; font-family: var(--font-display); font-size: 24px; letter-spacing: -.02em;}
.close{
  position: absolute; top: 14px; right: 14px;
  background: transparent; border: 1px solid var(--line); color: var(--ink-mute);
  width: 34px; height: 34px; border-radius: 8px; font-size: 20px; cursor: pointer;
}
.close:hover{ color: var(--ink); border-color: var(--line-2);}
.dialog-body{
  padding: 22px 26px 26px; overflow-y: auto; max-height: calc(86vh - 84px);
}

.ensemble-block{ margin-bottom: 26px;}
.ensemble-block:last-child{ margin-bottom: 0;}
.ensemble-header{
  display: flex; align-items: baseline; justify-content: space-between;
  padding-bottom: 6px; border-bottom: 1px solid var(--line); margin-bottom: 10px;
}
.ensemble-name{ font-family: var(--font-display); font-weight: 700; font-size: 17px; }
.ensemble-meta{ color: var(--ink-dim); font-size: 12.5px;}
.piece-list{ margin: 0 0 14px; padding-left: 18px;}
.piece-list li{ margin-bottom: 4px;}
.piece-list .composer{ color: var(--ink-mute); font-size: 12.5px;}
.piece-list .featured{ color: var(--gold-2); font-size: 12.5px;}
.roster{
  display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px 22px;
  margin-top: 10px;
}
.roster h4{
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--gold); margin: 0 0 4px;
}
.roster ul{ list-style: none; padding: 0; margin: 0; font-size: 13px;}
.roster ul li{ padding: 1px 0; color: var(--ink);}
.roster ul li small{ color: var(--ink-dim); margin-left: 4px; font-size: 10.5px;}

.foot{
  max-width: 1320px; margin: 0 auto; padding: 20px 28px 40px;
  display: flex; justify-content: space-between; color: var(--ink-dim); font-size: 12px;
  border-top: 1px solid var(--line);
}

/* --- Responsive --- */
@media (max-width: 1080px){
  .kpi-grid{ grid-template-columns: repeat(3, 1fr); }
  .row-2{ grid-template-columns: 1fr;}
  .hero-title{ font-size: 34px;}
}
@media (max-width: 640px){
  main{ padding: 20px 16px 60px;}
  .topbar{ flex-direction: column; align-items: flex-start; gap: 12px; padding: 12px 16px;}
  .kpi-grid{ grid-template-columns: repeat(2, 1fr); }
  .hero{ padding: 28px 22px 20px;}
  .hero-title{ font-size: 26px;}
  .search{ width: 100%;}
  .datatable thead th, .datatable tbody td{ padding: 10px 10px;}
  .instr-list{ display: none;}
}

/* --- Coverage grid --- */
.coverage-grid{
  display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 8px; padding: 12px 4px 4px;
}
.cov-cell{
  border: 1px solid var(--line); border-radius: 8px;
  padding: 10px 12px; display: flex; flex-direction: column; gap: 4px;
  background: rgba(255,255,255,0.02); position: relative;
}
.cov-cell.gap{ opacity: 0.35; border-style: dashed;}
.cov-cell.has-both{ border-color: var(--gold-soft); background: rgba(229,179,75,0.08);}
.cov-year{ font-family: var(--font-mono); font-size: 12px; color: var(--gold); letter-spacing: .06em;}
.cov-detail{ font-size: 11px; color: var(--ink-dim); }
.cov-badges{ display: flex; gap: 4px; margin-top: 2px;}
.cov-badge{
  font-family: var(--font-mono); font-size: 9.5px; padding: 2px 6px; border-radius: 4px;
  letter-spacing: .06em; text-transform: uppercase;
}
.cov-badge.w{ background: rgba(90,167,255,0.15); color: #7bb6ff;}
.cov-badge.s{ background: rgba(74,198,179,0.15); color: #66d3c2;}
.cov-badge.gap{ background: rgba(124,125,138,0.15); color: var(--ink-dim);}
.coverage-help{ color: var(--ink-dim); font-size: 12px; padding: 8px 4px 0;}

.row-sub{ display: block; font-family: var(--font-mono); font-size: 10.5px; color: var(--ink-dim); letter-spacing: .04em; margin-top: 2px;}
.datatable td.mono{ font-family: var(--font-mono); font-size: 12px; color: var(--ink-dim);}