:root{
  --bg:#fff;
  --fg:#111;
  --muted:#666;
  --line:#e7e7e7;
  --panel:#fafafa;
  --panel-2:#f3f3f3;
  --accent:#1ed760;
  --accent-fg:#000;
  --danger:#c0392b;
  --warn:#b87900;
  --grid:#eee;
  --series-1:#1ed760;
  --series-2:#3aa0ff;
  --series-3:#ff6b9a;
  --series-4:#ffb454;
  --series-5:#a07cff;
  --series-6:#ff7a59;
}
[data-theme="dark"]{
  --bg:#0b0b0c;
  --fg:#ececec;
  --muted:#8a8a8a;
  --line:#1c1c1e;
  --panel:#111113;
  --panel-2:#161618;
  --accent:#1ed760;
  --accent-fg:#000;
  --danger:#ff6b6b;
  --warn:#e3a23b;
  --grid:#1f1f22;
  --series-1:#1ed760;
  --series-2:#5cb6ff;
  --series-3:#ff7eaa;
  --series-4:#ffb86b;
  --series-5:#b894ff;
  --series-6:#ff8c6b;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--fg)}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Inter","SF Pro Text","Segoe UI",Roboto,system-ui,sans-serif;
  font-size:14px;
  line-height:1.45;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
a{color:inherit}
code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.92em;background:var(--panel-2);padding:1px 5px;border-radius:4px}
button{font:inherit;color:inherit;background:transparent;border:1px solid var(--line);padding:6px 10px;border-radius:6px;cursor:pointer}
button:hover{background:var(--panel-2)}
button.primary{background:var(--accent);color:var(--accent-fg);border-color:transparent;font-weight:600}
button.primary:hover{filter:brightness(.95)}
button.danger{color:var(--danger)}
button.ghost{background:transparent}
.btn{display:inline-flex;align-items:center;gap:6px}
.muted{color:var(--muted)}
.small{font-size:12px}
.hidden{display:none !important}

/* topbar */
.topbar{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 28px;border-bottom:1px solid var(--line);
  position:sticky;top:0;background:var(--bg);z-index:10;
}
.brand{display:flex;align-items:baseline;gap:10px}
.brand .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);display:inline-block;align-self:center}
.brand .title{font-weight:600;letter-spacing:.2px}
.brand .sub{color:var(--muted);font-size:12px}
.topbar-actions{display:flex;align-items:center;gap:8px}
.theme-toggle{padding:6px;width:30px;height:30px;display:inline-flex;align-items:center;justify-content:center;border-radius:50%}

/* dropzone */
main{padding:28px;max-width:1280px;margin:0 auto}
.dropzone{
  border:1.5px dashed var(--line);border-radius:14px;
  padding:60px 20px;text-align:center;
  transition:background .15s,border-color .15s;
}
.dropzone.drag{background:var(--panel);border-color:var(--accent)}
.dz-title{font-size:18px;font-weight:600}
.dz-hint{margin-top:6px;color:var(--muted);font-size:13px}
.dz-actions{margin-top:18px}
.dz-actions label{cursor:pointer}
.dz-status{margin-top:14px;color:var(--muted);font-size:12px;min-height:1em}

/* kpis */
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;margin-bottom:20px}
.kpi{
  background:var(--panel);border:1px solid var(--line);border-radius:10px;
  padding:14px 16px;
}
.kpi .v{font-size:22px;font-weight:600;letter-spacing:-.2px}
.kpi .l{color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.6px;margin-top:2px}
.kpi .h{color:var(--muted);font-size:11px;margin-top:4px}

/* sections */
.sections{display:flex;flex-direction:column;gap:10px}
.section{
  border:1px solid var(--line);border-radius:10px;background:var(--panel);
  overflow:hidden;
}
.section > header{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 16px;cursor:pointer;user-select:none;
}
.section > header:hover{background:var(--panel-2)}
.section > header h2{font-size:14px;font-weight:600;margin:0;letter-spacing:.1px}
.section > header .meta{color:var(--muted);font-size:12px}
.section > header .chev{transition:transform .15s;color:var(--muted)}
.section.open > header .chev{transform:rotate(90deg)}
.section .body{padding:6px 16px 18px;display:none}
.section.open .body{display:block}
.section .row{display:flex;gap:18px;flex-wrap:wrap}
.section .col{flex:1 1 320px;min-width:280px}

/* tables */
table.lite{width:100%;border-collapse:collapse;font-size:13px}
table.lite th,table.lite td{padding:6px 8px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
table.lite th{color:var(--muted);font-weight:500;font-size:11px;text-transform:uppercase;letter-spacing:.5px}
table.lite td.num,table.lite th.num{text-align:right;font-variant-numeric:tabular-nums}
table.lite tr:hover td{background:var(--panel-2)}
.bar-cell{position:relative;min-width:120px}
.bar-cell .bar{position:absolute;inset:0;background:var(--accent);opacity:.18;border-radius:3px}
.bar-cell .bar-label{position:relative;padding:0 6px;font-variant-numeric:tabular-nums}

/* charts */
.chart{width:100%;display:block}
.chart text{fill:var(--muted);font-size:10px}
.chart .axis line,.chart .axis path{stroke:var(--line)}
.chart .grid line{stroke:var(--grid)}
.chart .series{fill:none;stroke-width:1.5}
.chart .area{fill-opacity:.12}
.chart-title{font-size:12px;color:var(--muted);margin:0 0 6px}
.chart-wrap{margin:6px 0 14px}

.legend{display:flex;flex-wrap:wrap;gap:10px;font-size:11px;color:var(--muted);margin-top:6px}
.legend .sw{display:inline-block;width:10px;height:10px;border-radius:2px;margin-right:5px;vertical-align:middle}

/* dialog */
.dialog{
  border:none;border-radius:12px;padding:0;background:var(--bg);color:var(--fg);
  width:min(520px,calc(100vw - 32px));
  box-shadow:0 20px 60px rgba(0,0,0,.4);
}
.dialog::backdrop{background:rgba(0,0,0,.5)}
.dialog-inner{padding:18px 20px}
.dialog-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.dialog-head h3{margin:0;font-size:15px}
.x{border:none;font-size:18px;line-height:1;width:28px;height:28px;border-radius:50%;padding:0;cursor:pointer}
.x:hover{background:var(--panel-2)}
.dialog-body p{margin:6px 0 12px}
.steps{padding-left:20px;margin:0 0 12px}
.steps li{margin:4px 0}
.field{display:flex;flex-direction:column;gap:4px;margin:10px 0}
.field span{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.5px}
.field input{
  background:var(--panel);border:1px solid var(--line);color:var(--fg);
  padding:8px 10px;border-radius:6px;font:inherit;
}
.field input:focus{outline:none;border-color:var(--accent)}
.dialog .row{display:flex;gap:8px;flex-wrap:wrap;margin-top:6px}
.enrich-status{margin-top:10px;min-height:1em}

/* footer */
.footer{padding:18px 28px;text-align:center;border-top:1px solid var(--line);margin-top:30px}

/* heatmap-specific */
.heat-cell{shape-rendering:crispEdges}
.tip{
  position:fixed;pointer-events:none;background:var(--bg);color:var(--fg);
  border:1px solid var(--line);border-radius:6px;padding:6px 8px;font-size:12px;
  box-shadow:0 4px 14px rgba(0,0,0,.2);z-index:1000;display:none;
}

/* utility */
.pillrow{display:flex;flex-wrap:wrap;gap:6px;margin:6px 0}
.pill{
  display:inline-flex;align-items:center;gap:4px;
  padding:2px 8px;border-radius:999px;border:1px solid var(--line);
  font-size:11px;color:var(--muted);background:var(--panel-2);
}
.pill b{color:var(--fg);font-weight:600}

/* progress */
.progress{height:4px;background:var(--panel-2);border-radius:2px;overflow:hidden;margin:6px 0}
.progress > div{height:100%;background:var(--accent);width:0;transition:width .2s}

/* exclude dialog */
.dialog-wide{width:min(680px,calc(100vw - 32px))}
.search-input{
  width:100%;background:var(--panel);border:1px solid var(--line);color:var(--fg);
  padding:8px 10px;border-radius:6px;font:inherit;margin:6px 0 10px;
}
.search-input:focus{outline:none;border-color:var(--accent)}
.exclude-list{
  max-height:55vh;overflow-y:auto;border:1px solid var(--line);border-radius:8px;
  background:var(--bg);
}
.exclude-row{
  display:grid;grid-template-columns:auto 1fr auto auto;gap:10px;align-items:center;
  padding:7px 10px;border-bottom:1px solid var(--line);cursor:pointer;
  font-size:13px;
}
.exclude-row:last-child{border-bottom:none}
.exclude-row:hover{background:var(--panel-2)}
.exclude-row.excluded{opacity:.55}
.exclude-row .name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.exclude-row .name b{font-weight:600}
.exclude-row .name .a{color:var(--muted);margin-left:6px}
.exclude-row .stat{color:var(--muted);font-size:11px;font-variant-numeric:tabular-nums;text-align:right}
.exclude-row .toggle{
  width:34px;height:18px;border-radius:999px;background:var(--accent);position:relative;
  flex-shrink:0;transition:background .15s;
}
.exclude-row.excluded .toggle{background:var(--panel-2);border:1px solid var(--line)}
.exclude-row .toggle::after{
  content:'';position:absolute;top:2px;left:18px;width:14px;height:14px;border-radius:50%;
  background:var(--accent-fg);transition:left .15s;
}
.exclude-row.excluded .toggle::after{left:2px;background:var(--muted)}
.exclude-empty{padding:20px;text-align:center;color:var(--muted);font-size:13px}
.dialog-foot{display:flex;align-items:center;justify-content:space-between;margin-top:10px;gap:10px}

/* row-action button (inside top-tracks table) */
.row-act{
  display:inline-flex;align-items:center;justify-content:center;
  width:20px;height:20px;border:1px solid transparent;border-radius:4px;
  color:var(--muted);background:transparent;cursor:pointer;font-size:11px;line-height:1;
  padding:0;opacity:0;transition:opacity .12s,background .12s,color .12s;
}
table.lite tr:hover .row-act{opacity:1}
.row-act:hover{background:var(--panel-2);color:var(--danger);border-color:var(--line)}
.row-act.on{opacity:1;color:var(--danger);background:var(--panel-2);border-color:var(--line)}

/* badge on topbar button */
.btn-badge{
  display:inline-block;margin-left:6px;padding:0 6px;border-radius:999px;
  background:var(--accent);color:var(--accent-fg);font-size:10px;font-weight:700;
  line-height:14px;vertical-align:middle;
}