:root {
  --bg: #F7F4EC; --panel: #EFEBDF; --ink: #1c1c1c; --ink-2: #4a4a4a; --ink-3: #6b6b6b; --line: #d9d3c3;
  --on-dot: #14161f; --tip-bg: #ffffff; --tip-ink: #1c1c1c;
  --c1: #3D6FE0; --c2: #FF7A00; --c3: #00A6C8; --c4: #E6007E; --c5: #2EAD4B;
  --c6: #7B2CBF; --c7: #D9B300; --c8: #D7263D; --c9: #111111;
  --ring: #111111; --dash: #6b6b6b;
}
:root[data-theme="dark"] {
  --bg: #0E1018; --panel: #151826; --ink: #f3f4f8; --ink-2: #c3c7d4; --ink-3: #9096aa; --line: #2a2e42;
  --on-dot: #0E1018; --tip-bg: #1d2133; --tip-ink: #f3f4f8;
  --c1: #3A86FF; --c2: #FF9F1C; --c3: #19D3DA; --c4: #FF5CCB; --c5: #3DF5A1;
  --c6: #B57BFF; --c7: #FFE14D; --c8: #FF3D68; --c9: #FFFFFF;
  --ring: #ffffff; --dash: #9096aa;
}

* { box-sizing: border-box; }
html { color-scheme: light dark; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
main { max-width: 1240px; margin: 0 auto; padding: 24px 16px 40px; }
a { color: inherit; text-underline-offset: 2px; }

.titlebar { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
h1 { font: 700 clamp(30px, 5vw, 48px)/1.1 Georgia, "Times New Roman", serif; margin: 0 0 8px; }
.sub { margin: 0 0 18px; font-size: clamp(15px, 1.7vw, 18px); color: var(--ink-2); max-width: 75ch; }
.sub b { color: var(--ink); }
#theme {
  flex: none; margin-top: 6px; padding: 8px 14px; border-radius: 999px; cursor: pointer;
  border: 1px solid var(--line); background: var(--panel); color: var(--ink); font: 600 13px/1 inherit;
}
#theme:hover, #theme:focus-visible { border-color: var(--ink-3); }

.legend { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 16px; margin-bottom: 18px; }
.legend-title { font-weight: 700; }
.legend-items { display: flex; flex-wrap: wrap; gap: 6px; }
.legend-hint { font-size: 13px; color: var(--ink-3); }
.key {
  display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px 4px 6px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--panel); color: var(--ink); font: 600 14px/1 inherit; cursor: pointer;
}
.key i { width: 14px; height: 14px; border-radius: 50%; display: block; }
.key[aria-pressed="true"] { border-color: var(--ink); }
.key:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }

.layout { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 20px; align-items: stretch; }
.layout .panel { display: flex; flex-direction: column; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 16px; }
.panel h2 { margin: 0 0 4px; font-size: 18px; }
.note { margin: 0 0 12px; font-size: 14px; color: var(--ink-3); }
#main { display: block; width: 100%; height: auto; flex: 1 1 auto; min-height: 0; }
.src { margin: 8px 0 0; align-self: flex-end; font-size: 12px; color: var(--ink-3); }
.src a { color: inherit; }
.bell { margin-top: 20px; }
.bell h2 { font: 700 clamp(22px, 3vw, 30px)/1.15 Georgia, "Times New Roman", serif; margin: 0 0 8px; }
.bell-sub { font-size: clamp(14px, 1.6vw, 17px); line-height: 1.5; color: var(--ink-2); }
.bell-sub b.s1 { color: var(--c1); } .bell-sub b.s2 { color: var(--c2); } .bell-sub b.s3 { color: var(--c3); }
.bell-sub b.s4 { color: var(--c4); } .bell-sub b.s5 { color: var(--c5); } .bell-sub b.s6 { color: var(--c6); }
.bell-sub b.s7 { color: var(--c7); } .bell-sub b.s8 { color: var(--c8); } .bell-sub b.s9 { color: var(--c9); }
#bell { display: block; width: 100%; max-width: 1000px; height: auto; margin: 0 auto; }
.bell-body { fill: color-mix(in srgb, var(--ink) 7%, var(--panel)); }
.bell-mouth { fill: color-mix(in srgb, var(--ink) 3%, var(--panel)); }
.bell-total { fill: var(--ink-3); opacity: .8; font-weight: 700; text-anchor: middle; pointer-events: none; }
.bell .dot { stroke: none; }
.dim .bell-body, .dim .bell-mouth { opacity: 1; }

.detail { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 14px 10px; }
.card { text-align: center; border-radius: 10px; padding: 6px 4px 8px; cursor: default; outline: none; }
.card svg { display: block; width: 100%; height: auto; }
.card h3 { margin: 2px 0 0; font-size: 14px; line-height: 1.2; }
.card .meta { margin: 2px 0 0; font-size: 12px; color: var(--ink-3); }
.card.on { background: color-mix(in srgb, var(--ink) 9%, transparent); }
.card:focus-visible { box-shadow: 0 0 0 2px var(--ink); }

/* circles are coloured by class so the theme switch needs no redraw */
.s1 { fill: var(--c1); } .s2 { fill: var(--c2); } .s3 { fill: var(--c3); } .s4 { fill: var(--c4); } .s5 { fill: var(--c5); }
.s6 { fill: var(--c6); } .s7 { fill: var(--c7); } .s8 { fill: var(--c8); } .s9 { fill: var(--c9); }
.t1 { stroke: var(--c1); } .t2 { stroke: var(--c2); } .t3 { stroke: var(--c3); } .t4 { stroke: var(--c4); } .t5 { stroke: var(--c5); }
.t6 { stroke: var(--c6); } .t7 { stroke: var(--c7); } .t8 { stroke: var(--c8); } .t9 { stroke: var(--c9); }
.f1 { fill: color-mix(in srgb, var(--c1) 16%, transparent); } .f2 { fill: color-mix(in srgb, var(--c2) 16%, transparent); }
.f3 { fill: color-mix(in srgb, var(--c3) 16%, transparent); } .f4 { fill: color-mix(in srgb, var(--c4) 16%, transparent); }
.f5 { fill: color-mix(in srgb, var(--c5) 16%, transparent); } .f6 { fill: color-mix(in srgb, var(--c6) 16%, transparent); }
.f7 { fill: color-mix(in srgb, var(--c7) 16%, transparent); } .f8 { fill: color-mix(in srgb, var(--c8) 16%, transparent); }
.f9 { fill: color-mix(in srgb, var(--c9) 16%, transparent); }
.key i.s1 { background: var(--c1); } .key i.s2 { background: var(--c2); } .key i.s3 { background: var(--c3); }
.key i.s4 { background: var(--c4); } .key i.s5 { background: var(--c5); } .key i.s6 { background: var(--c6); }
.key i.s7 { background: var(--c7); } .key i.s8 { background: var(--c8); } .key i.s9 { background: var(--c9); }

.dot { stroke: var(--bg); stroke-width: 1; transition: opacity .15s; }
.card .dot { stroke: var(--panel); stroke-width: 1.5; }
.band-ring { fill: none; stroke: var(--ring); stroke-width: 1.5; pointer-events: none; opacity: .9; }
.band-hit { fill: transparent; cursor: pointer; }
.ring { stroke-width: 1.6; }
.unplaced { fill: none; stroke: var(--dash); stroke-width: 1.2; stroke-dasharray: 3 3; }
.num { fill: var(--on-dot); font: 700 13px system-ui, sans-serif; text-anchor: middle; dominant-baseline: central; pointer-events: none; }
.bandname { fill: var(--on-dot); font: 700 11px system-ui, sans-serif; text-anchor: middle; pointer-events: none; }

.dim .dot:not(.hot) { opacity: .16; }
.dim .card .dot:not(.hot) { opacity: .2; }
.lit .dot:not(.lit-dot) { opacity: .3; }

#tip {
  position: fixed; z-index: 10; max-width: 300px; padding: 10px 12px; border-radius: 10px; pointer-events: none;
  background: var(--tip-bg); color: var(--tip-ink); border: 1px solid var(--line); box-shadow: 0 6px 24px rgba(0,0,0,.25);
  font-size: 14px; line-height: 1.35;
}
#tip b { display: block; font-size: 15px; margin-bottom: 2px; }
#tip .tip-sub { color: var(--ink-3); margin-bottom: 4px; }
#tip ul { margin: 4px 0 0; padding-left: 18px; }

.table-view { margin: 22px 0 0; }
.table-view summary { cursor: pointer; font-weight: 600; }
.table-view table { border-collapse: collapse; width: 100%; margin-top: 10px; font-size: 14px; }
.table-view th, .table-view td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
.table-view th { color: var(--ink-3); font-weight: 600; white-space: nowrap; }
.table-view th[aria-sort="ascending"], .table-view th[aria-sort="descending"] { color: var(--ink); }
.sort {
  all: unset; cursor: pointer; display: inline-flex; align-items: center; gap: 6px; padding: 2px 4px; margin: -2px -4px;
  border-radius: 6px; font: inherit; color: inherit;
}
.sort:hover { color: var(--ink); }
.sort:focus-visible { outline: 2px solid var(--ink); outline-offset: 1px; }
.sort .arrow { display: inline-block; width: 10px; text-align: center; font-size: 10px; opacity: .45; }
.sort .arrow::before { content: "\2195"; }                 /* up-down: sortable, not sorted */
th[aria-sort="ascending"] .arrow::before { content: "\25B2"; }
th[aria-sort="descending"] .arrow::before { content: "\25BC"; }
th[aria-sort="ascending"] .arrow, th[aria-sort="descending"] .arrow { opacity: 1; }
.table-view tbody tr:hover td { background: color-mix(in srgb, var(--ink) 6%, transparent); }

footer { margin-top: 28px; font-size: 13px; color: var(--ink-3); max-width: 90ch; }
footer p { margin: 0 0 8px; }

@media (max-width: 860px) {
  .layout { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) { .dot { transition: none; } }

/* strokes keep a fixed pixel width however much the SVG is scaled */
.dot, .band-ring, .ring, .unplaced, .band-hit { vector-effect: non-scaling-stroke; }
.dot { stroke-width: 1.2px; }
.card .dot { stroke-width: 1.2px; }
.band-ring { stroke-width: 1.6px; }
.ring { stroke-width: 1.6px; }
.unplaced { stroke-width: 1.2px; }

/* ---- search ---- */
.search { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px; margin-bottom: 16px; }
.search input {
  flex: 1 1 280px; max-width: 420px; padding: 9px 14px; border-radius: 999px; border: 1px solid var(--line);
  background: var(--panel); color: var(--ink); font: 16px/1.2 inherit;
}
.search input::placeholder { color: var(--ink-3); }
.search input:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }
.results { flex-basis: 100%; display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 8px; }
.results:empty { display: none; }
.res { padding: 8px 12px; border-radius: 10px; border: 1px solid var(--line); background: var(--panel); font-size: 14px; line-height: 1.3; }
.res b { margin-right: 6px; }
.res i { display: inline-block; width: 11px; height: 11px; border-radius: 50%; margin-right: 7px; vertical-align: -1px; }
.res .n { color: var(--ink-3); }
.res .res-songs { color: var(--ink-2); margin-top: 3px; font-size: 13px; }
.res-more { grid-column: 1 / -1; color: var(--ink-3); font-size: 13px; }
.res i.s1 { background: var(--c1); } .res i.s2 { background: var(--c2); } .res i.s3 { background: var(--c3); }
.res i.s4 { background: var(--c4); } .res i.s5 { background: var(--c5); } .res i.s6 { background: var(--c6); }
.res i.s7 { background: var(--c7); } .res i.s8 { background: var(--c8); } .res i.s9 { background: var(--c9); }
.dim .band-ring:not(.hot) { opacity: .16; }
.table-view h3 { margin: 18px 0 2px; font-size: 16px; }
.table-view .count { margin: 0 0 4px; font-size: 13px; color: var(--ink-3); }
.table-view td.empty { text-align: center; color: var(--ink-3); padding: 18px 8px; }
.scroll { overflow-x: auto; }
.table-view table { min-width: 560px; }