:root {
  --bg: #0d1117; --panel: #161b22; --panel2: #1c232c; --line: #2a3340;
  --txt: #e6edf3; --dim: #8b949e; --accent: #f97316; --good: #3fb950; --bad: #f85149; --blue: #58a6ff;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--txt); font: 15px/1.5 system-ui, -apple-system, Segoe UI, Roboto, sans-serif; }
header { display: flex; align-items: center; justify-content: space-between; padding: 14px 24px; border-bottom: 1px solid var(--line); background: var(--panel); position: sticky; top: 0; z-index: 10; }
.brand { font-size: 20px; font-weight: 700; display: flex; align-items: baseline; gap: 10px; }
.brand small { font-weight: 400; font-size: 12px; color: var(--dim); }
.tabs { display: flex; gap: 6px; }
.tab { background: transparent; border: 1px solid var(--line); color: var(--dim); padding: 8px 18px; border-radius: 8px; cursor: pointer; font-size: 14px; font-weight: 600; }
.tab.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.tab-pane { display: none; padding: 24px; max-width: 1240px; margin: 0 auto; }
.tab-pane.active { display: block; }

.matchup { display: grid; grid-template-columns: 1fr 1.1fr 1fr; gap: 18px; align-items: center; background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 22px; margin-bottom: 20px; }
.team-pick label { display: block; font-size: 11px; text-transform: uppercase; letter-spacing: .08em; color: var(--dim); margin-bottom: 8px; }
.team-card { display: flex; align-items: center; gap: 12px; background: var(--panel2); border: 1px solid var(--line); border-radius: 12px; padding: 12px; border-left: 4px solid var(--accent); }
.team-card img { width: 46px; height: 46px; object-fit: contain; }
.team-card select { flex: 1; background: transparent; color: var(--txt); border: none; font-size: 16px; font-weight: 600; outline: none; }
.team-card select option { background: var(--panel2); }
.vs { text-align: center; }
#proj-headline { font-size: 30px; font-weight: 800; letter-spacing: -.02em; }
#proj-sub { color: var(--dim); font-size: 13px; margin-top: 2px; }
.neutral { display: inline-flex; align-items: center; gap: 6px; margin-top: 12px; font-size: 13px; color: var(--dim); cursor: pointer; }

.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 18px; margin-bottom: 18px; }
.panel h3 { margin: 0 0 4px; font-size: 15px; }
.panel-head { display: flex; justify-content: space-between; align-items: center; }
.hint { color: var(--dim); font-size: 12px; margin: 0 0 14px; }
.ghost { background: transparent; border: 1px solid var(--line); color: var(--dim); border-radius: 7px; padding: 5px 12px; cursor: pointer; font-size: 12px; }

/* matrix table */
#matrix { font-size: 13px; }
.mrow { display: grid; grid-template-columns: 1.4fr 1fr 64px; align-items: center; gap: 8px; padding: 6px 0; border-bottom: 1px solid var(--line); }
.mrow.head { color: var(--dim); font-size: 11px; text-transform: uppercase; letter-spacing: .05em; border-bottom: 1px solid var(--line); }
.mgroup { color: var(--accent); font-size: 11px; text-transform: uppercase; letter-spacing: .08em; margin: 12px 0 2px; font-weight: 700; }
.bar { height: 8px; border-radius: 4px; background: var(--panel2); position: relative; overflow: hidden; }
.bar > span { position: absolute; top: 0; bottom: 0; }
.pts { text-align: right; font-variant-numeric: tabular-nums; font-weight: 600; }
.pos { color: var(--good); } .neg { color: var(--bad); }

/* weight sliders */
.wgroup { margin-bottom: 12px; }
.wgroup-title { color: var(--accent); font-size: 11px; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 6px; font-weight: 700; }
.wrow { display: grid; grid-template-columns: 1.3fr 2fr 36px; align-items: center; gap: 10px; padding: 3px 0; }
.wrow label { font-size: 13px; }
.wrow input[type=range] { width: 100%; accent-color: var(--accent); }
.wrow .wval { text-align: right; font-variant-numeric: tabular-nums; color: var(--dim); font-size: 13px; }

/* backtest */
.controls { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 16px 20px; margin-bottom: 18px; }
.ctl { display: flex; flex-direction: column; gap: 4px; min-width: 260px; }
.ctl input[type=range] { accent-color: var(--accent); }
.primary { background: var(--accent); border: none; color: #fff; font-weight: 700; padding: 10px 22px; border-radius: 9px; cursor: pointer; font-size: 14px; }
.primary.sm { padding: 6px 14px; font-size: 13px; }
.primary:disabled { opacity: .5; cursor: wait; }
.opt-controls { display: flex; gap: 8px; align-items: center; }
.opt-controls select { background: var(--panel2); color: var(--txt); border: 1px solid var(--line); border-radius: 7px; padding: 6px 8px; font-size: 12px; }
#opt-result { margin-bottom: 14px; }
.opt-table { width: 100%; border-collapse: collapse; font-size: 12.5px; background: var(--panel2); border-radius: 10px; overflow: hidden; }
.opt-table th, .opt-table td { padding: 7px 10px; text-align: right; border-bottom: 1px solid var(--line); }
.opt-table th:first-child, .opt-table td:first-child { text-align: left; color: var(--dim); }
.opt-table thead th { color: var(--dim); font-size: 11px; text-transform: uppercase; letter-spacing: .04em; }
.opt-verdict { font-size: 12.5px; padding: 9px 12px; border-radius: 8px; margin-top: 8px; background: var(--panel2); border-left: 3px solid var(--blue); color: var(--txt); }
.cards { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; margin-bottom: 18px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 16px; text-align: center; }
.card .big { font-size: 26px; font-weight: 800; font-variant-numeric: tabular-nums; }
.card .lbl { color: var(--dim); font-size: 11px; text-transform: uppercase; letter-spacing: .06em; margin-top: 4px; }
.card .sub { font-size: 12px; color: var(--dim); margin-top: 2px; }
.chart { width: 100%; height: 320px; }

/* rushing dogs */
.edge-banner { border-left: 4px solid var(--good); }
.rd-controls { display: flex; align-items: center; gap: 14px; margin-top: 10px; }
.rd-card { display: grid; grid-template-columns: 1fr auto 1fr 150px; align-items: center; gap: 14px; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 14px 18px; margin-bottom: 10px; }
.rd-team { display: flex; align-items: center; gap: 10px; }
.rd-team img { width: 38px; height: 38px; object-fit: contain; }
.rd-team .nm { font-weight: 700; }
.rd-team .sub { font-size: 11px; color: var(--dim); }
.rd-dog { border-left: 3px solid var(--good); padding-left: 10px; }
.rd-mid { text-align: center; font-size: 12px; color: var(--dim); }
.rd-spread { font-size: 22px; font-weight: 800; color: var(--good); }
.rd-comp { display: flex; flex-direction: column; gap: 4px; }
.rd-comp .bar { height: 7px; }
.rd-price { text-align: right; }
.rd-price .pt { font-size: 18px; font-weight: 800; }
.rd-price .bk { font-size: 11px; color: var(--dim); }
.rd-conv { display: inline-block; font-size: 10px; padding: 2px 7px; border-radius: 6px; margin-top: 3px; }
.rd-conv.high { background: rgba(63,185,80,.15); color: var(--good); }
.rd-conv.core { background: rgba(88,166,255,.15); color: var(--blue); }
.rd-empty { text-align: center; color: var(--dim); padding: 30px; }

footer { text-align: center; color: var(--dim); font-size: 12px; padding: 20px; border-top: 1px solid var(--line); margin-top: 20px; }
@media (max-width: 900px) { .grid2 { grid-template-columns: 1fr; } .cards { grid-template-columns: repeat(2,1fr); } .matchup { grid-template-columns: 1fr; } }