:root{
  --bg:#0e0c0a;
  --panel:#16130f;
  --panel-2:#1d1914;
  --ink:#f4ecdf;
  --ink-dim:#a39a89;
  --ink-faint:#6f675a;
  --line:#2b2620;
  --accent:#d6ff3f;      /* acid lime */
  --accent-2:#ff7a4d;    /* warm coral */
  --accent-3:#7fd4ff;    /* cool sky */
  --warn:#ffb84d;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{background:var(--bg);color:var(--ink);font-family:"IBM Plex Sans",sans-serif;line-height:1.5;-webkit-font-smoothing:antialiased}
body{
  background-image:
    radial-gradient(900px 500px at 85% -10%, rgba(214,255,63,.07), transparent 60%),
    radial-gradient(700px 600px at -10% 110%, rgba(255,122,77,.06), transparent 55%);
  min-height:100vh;
  padding:clamp(20px,5vw,72px) clamp(16px,5vw,80px) 120px;
}
.mono{font-family:"IBM Plex Mono",monospace;font-variant-numeric:tabular-nums}
.wrap{max-width:1080px;margin:0 auto}

/* Masthead */
header.mast{border-bottom:2px solid var(--ink);padding-bottom:18px;margin-bottom:6px}
.kicker{font-family:"IBM Plex Mono",monospace;font-size:12px;letter-spacing:.28em;text-transform:uppercase;color:var(--accent);display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}
h1{font-family:"Fraunces",serif;font-weight:900;font-size:clamp(38px,8vw,84px);line-height:.92;letter-spacing:-.02em;margin:10px 0 4px}
h1 em{font-style:italic;color:var(--accent)}
.dek{font-family:"Fraunces",serif;font-size:clamp(15px,2.2vw,19px);color:var(--ink-dim);max-width:60ch;font-weight:400}

/* Drop zone */
.drop{
  margin-top:34px;border:1.5px dashed var(--line);border-radius:14px;
  background:linear-gradient(180deg,var(--panel),var(--panel-2));
  padding:44px 28px;text-align:center;cursor:pointer;transition:.18s ease;
  position:relative;overflow:hidden;
}
.drop:hover{border-color:var(--accent);transform:translateY(-1px)}
.drop.drag{border-color:var(--accent);background:linear-gradient(180deg,#1c2410,var(--panel-2))}
.drop .big{font-family:"Fraunces",serif;font-size:24px;font-weight:600;margin-bottom:6px}
.drop .small{color:var(--ink-dim);font-size:14px}
.drop .pill{display:inline-block;margin-top:16px;border:1px solid var(--accent);color:var(--accent);
  padding:9px 18px;border-radius:999px;font-family:"IBM Plex Mono",monospace;font-size:13px;letter-spacing:.04em}
.note{margin-top:14px;font-size:12.5px;color:var(--ink-faint);display:flex;align-items:center;gap:8px;justify-content:center}
.dot{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 8px var(--accent)}

/* Controls */
.controls{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:20px;font-size:13.5px;color:var(--ink-dim)}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.seg button{background:transparent;color:var(--ink-dim);border:0;padding:8px 14px;font-family:"IBM Plex Mono",monospace;font-size:12.5px;cursor:pointer;transition:.15s}
.seg button.on{background:var(--accent);color:#1a1c00;font-weight:600}
.status{font-family:"IBM Plex Mono",monospace;font-size:12.5px;color:var(--ink-faint)}
.numwrap{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:10px;padding:6px 12px}
.numwrap label{font-size:12.5px;color:var(--ink-dim)}
.numwrap input{width:58px;background:var(--panel-2);border:1px solid var(--line);color:var(--ink);
  font-family:"IBM Plex Mono",monospace;font-size:13px;border-radius:6px;padding:5px 8px;text-align:center}
.numwrap input:focus{outline:none;border-color:var(--accent)}

/* Results */
#out{margin-top:40px}
.hidden{display:none}

.totals{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:hidden;margin-bottom:14px}
.stat{background:var(--panel);padding:20px 18px}
.stat .lab{font-family:"IBM Plex Mono",monospace;font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-faint)}
.stat .val{font-family:"Fraunces",serif;font-weight:900;font-size:34px;line-height:1;margin-top:8px;font-variant-numeric:tabular-nums}
.stat .sub{font-size:12px;color:var(--ink-dim);margin-top:6px}
.stat.a .val{color:var(--accent)}
.stat.b .val{color:var(--accent-2)}
.stat.c .val{color:var(--accent-3)}

.section-h{font-family:"IBM Plex Mono",monospace;font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-faint);margin:36px 0 14px;border-bottom:1px solid var(--line);padding-bottom:8px}

/* Global top-albums card */
.globalcard{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:22px 22px;margin-bottom:12px}
.globalcard .albumlist{margin-top:0;padding-top:0;border-top:0;animation:none}

/* Per-year table-ish cards */
.yearcard{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:22px 22px;margin-bottom:12px}
.yearcard .top{display:flex;justify-content:space-between;align-items:baseline;flex-wrap:wrap;gap:10px}
.yearcard .yr{font-family:"Fraunces",serif;font-weight:900;font-size:30px}
.yearcard .meta{font-family:"IBM Plex Mono",monospace;font-size:12.5px;color:var(--ink-dim)}
.grid4{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:18px;margin-top:18px}
.cell .n{font-family:"IBM Plex Mono",monospace;font-size:26px;font-weight:600;font-variant-numeric:tabular-nums}
.cell .k{font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-faint);margin-top:2px}
.cell.acc .n{color:var(--accent)}

.bar{height:7px;border-radius:4px;background:var(--panel-2);margin-top:14px;overflow:hidden;display:flex}
.bar i{display:block;height:100%}

.diversity{margin-top:16px;padding-top:16px;border-top:1px dashed var(--line);display:flex;flex-wrap:wrap;gap:22px;font-size:13px;color:var(--ink-dim)}
.diversity b{color:var(--ink);font-family:"IBM Plex Mono",monospace;font-weight:600}

/* Expandable year cards */
details.yearcard summary{list-style:none;cursor:pointer;outline:none}
details.yearcard summary::-webkit-details-marker{display:none}
details.yearcard summary:focus-visible{outline:2px solid var(--accent);outline-offset:4px;border-radius:8px}
.chev{display:inline-block;font-size:18px;color:var(--ink-faint);transition:transform .2s ease;transform:translateY(-2px)}
details[open] .chev{transform:translateY(-2px) rotate(180deg);color:var(--accent)}
.expandhint{color:var(--ink-faint);font-family:"IBM Plex Mono",monospace;font-size:11.5px;letter-spacing:.04em}
details[open] .expandhint{color:var(--accent)}

.albumlist{margin-top:18px;padding-top:18px;border-top:1px solid var(--line);animation:fade .25s ease}
@keyframes fade{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}
.albumlist-h{display:flex;justify-content:space-between;font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-faint);margin-bottom:12px}
.albumlist-h .dimmed{color:var(--ink-faint);letter-spacing:.04em;text-transform:none}
.emptynote{color:var(--ink-faint);font-size:13px;font-style:italic}
.arow{display:grid;grid-template-columns:30px 1fr minmax(60px,140px) auto auto;align-items:center;gap:14px;padding:8px 0;border-bottom:1px solid rgba(43,38,32,.5)}
.arow.trow{grid-template-columns:30px 1fr minmax(60px,140px) auto}
.arow:last-child{border-bottom:0}
.arow .rank{color:var(--ink-faint);font-size:12px}
.ainfo{display:flex;flex-direction:column;min-width:0}
.ainfo b{font-weight:600;font-size:14.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ainfo .aartist{font-size:12px;color:var(--ink-dim);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.abar{height:6px;background:var(--panel-2);border-radius:4px;overflow:hidden}
.abar i{display:block;height:100%;background:linear-gradient(90deg,var(--accent),var(--accent-3))}
.acount{font-size:15px;font-weight:600;color:var(--ink);text-align:right;display:inline-flex;align-items:center;gap:7px;justify-content:flex-end}
.deepdot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 6px var(--accent)}
.exbtn{background:transparent;border:1px solid var(--line);color:var(--ink-faint);
  font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.06em;text-transform:uppercase;
  padding:5px 10px;border-radius:999px;cursor:pointer;transition:.15s}
.exbtn:hover{border-color:var(--accent-2);color:var(--accent-2)}

/* Album rows as expandable details */
details.albumitem{border-bottom:1px solid rgba(43,38,32,.5)}
details.albumitem:last-child{border-bottom:0}
details.albumitem > summary{list-style:none;cursor:pointer;outline:none;border-bottom:0}
details.albumitem > summary::-webkit-details-marker{display:none}
details.albumitem > summary:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:8px}
details.albumitem > summary.arow{border-bottom:0}
details.albumitem .ainfo b::before{content:"▸ ";color:var(--ink-faint);font-size:11px;transition:transform .15s}
details.albumitem[open] .ainfo b::before{content:"▾ ";color:var(--accent)}
.albumtracks{padding:8px 0 14px 44px;border-top:1px dashed var(--line);margin-top:4px;animation:fade .2s ease}
.albumtracks .albumlist-h{margin-bottom:6px;margin-top:4px}
.arow.trow.nested{padding:5px 0;border-bottom:1px solid rgba(43,38,32,.35)}
.arow.trow.nested:last-child{border-bottom:0}
.arow.trow.nested .ainfo b{font-size:13.5px}
.arow.trow.nested .acount{font-size:13.5px}
@media(max-width:560px){
  .arow{grid-template-columns:24px 1fr auto auto;gap:10px}
  .arow.trow{grid-template-columns:24px 1fr auto}
  .abar{display:none}
  .albumtracks{padding-left:24px}
}
.tag{display:inline-block;padding:3px 10px;border-radius:999px;font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.05em}

.warnbox{background:rgba(255,184,77,.08);border:1px solid rgba(255,184,77,.4);color:var(--warn);
  border-radius:12px;padding:14px 16px;margin-bottom:18px;font-size:13.5px}

/* Excluded albums chips */
.excluded-panel{margin-top:18px;padding-top:16px;border-top:1px dashed var(--line)}
.excluded-panel .ex-h{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-faint);margin-bottom:10px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-flex;align-items:center;gap:8px;background:var(--panel-2);border:1px solid var(--line);
  border-radius:999px;padding:5px 6px 5px 12px;font-size:12.5px;color:var(--ink-dim);max-width:100%}
.chip .chip-label{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:32ch}
.chip .chip-label em{font-style:normal;color:var(--ink);font-weight:600}
.chip button{background:transparent;border:0;color:var(--ink-faint);cursor:pointer;
  width:22px;height:22px;border-radius:50%;display:inline-grid;place-items:center;font-size:14px;line-height:1;
  transition:.15s}
.chip button:hover{background:var(--accent);color:#1a1c00}

footer{margin-top:60px;padding-top:20px;border-top:1px solid var(--line);font-size:12px;color:var(--ink-faint);font-family:"IBM Plex Mono",monospace;line-height:1.7}
a{color:var(--accent-3)}
input[type=file]{display:none}