/* Blackjack Brains — shared styling. Felt-green casino, IBM Plex, works light and dark. */
:root{
  --bg:#F3F5F1; --surface:#FFFFFF; --panel:#FAFBF9; --ink:#17211C; --muted:#5B6862; --line:#D3D9D3;
  --felt:#1E6A48; --felt-soft:#E3EFE7; --felt-ink:#124A32; --felt-bright:#2E9C6A;
  --red:#B23A31; --red-soft:#F6E4E1; --gold:#A88434; --gold-soft:#F3EBD7; --blue:#3B6EA8; --blue-soft:#E2EAF5;
  --plum:#7A4EA3; --plum-soft:#EDE4F5; --slate:#5A6B7C; --slate-soft:#E6EAEE;
  --shadow:0 1px 2px rgba(23,33,28,.06), 0 6px 18px rgba(23,33,28,.05);
  --tab:#A88434; --val:#1E6A48; --pol:#3B6EA8; --evo:#7A4EA3; --mem:#5A6B7C;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0F1613; --surface:#151F1A; --panel:#111A16; --ink:#E6EAE4; --muted:#9AA8A0; --line:#2A3630;
  --felt:#4EB688; --felt-soft:#16281F; --felt-ink:#8FD9B6; --felt-bright:#4EB688;
  --red:#E5766C; --red-soft:#3A1F1C; --gold:#D3B36A; --gold-soft:#2E2718; --blue:#7FA8DA; --blue-soft:#182535;
  --plum:#B18AE0; --plum-soft:#271C33; --slate:#9FB0C0; --slate-soft:#1E262D;
  --shadow:0 1px 2px rgba(0,0,0,.4), 0 6px 18px rgba(0,0,0,.3);
  --tab:#D3B36A; --val:#4EB688; --pol:#7FA8DA; --evo:#B18AE0; --mem:#9FB0C0;
}}
:root[data-theme="dark"]{
  --bg:#0F1613; --surface:#151F1A; --panel:#111A16; --ink:#E6EAE4; --muted:#9AA8A0; --line:#2A3630;
  --felt:#4EB688; --felt-soft:#16281F; --felt-ink:#8FD9B6; --felt-bright:#4EB688;
  --red:#E5766C; --red-soft:#3A1F1C; --gold:#D3B36A; --gold-soft:#2E2718; --blue:#7FA8DA; --blue-soft:#182535;
  --plum:#B18AE0; --plum-soft:#271C33; --slate:#9FB0C0; --slate-soft:#1E262D;
  --shadow:0 1px 2px rgba(0,0,0,.4), 0 6px 18px rgba(0,0,0,.3);
  --tab:#D3B36A; --val:#4EB688; --pol:#7FA8DA; --evo:#B18AE0; --mem:#9FB0C0;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{color-scheme:light dark}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased}
a{color:var(--felt)}
h1,h2,h3{font-family:"Big Shoulders Display","Arial Narrow",Impact,sans-serif;font-weight:800;letter-spacing:.01em;text-wrap:balance;margin:0}
button,select,input{font-family:inherit;font-size:14px;color:var(--ink)}
:focus-visible{outline:2px solid var(--felt);outline-offset:2px}
.mono{font-family:"IBM Plex Mono",ui-monospace,Menlo,monospace;font-variant-numeric:tabular-nums}

/* top bar */
.top{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:16px;padding:12px 22px;background:var(--felt);color:#fff;box-shadow:var(--shadow)}
.top .mark{height:34px;width:34px;border-radius:8px;display:block;flex:0 0 auto;background:#fff;padding:3px;box-shadow:var(--shadow)}
.top h1{font-size:26px;color:#fff;line-height:1}
.top .sub{font-family:"IBM Plex Mono",monospace;font-size:12px;letter-spacing:.08em;text-transform:uppercase;opacity:.85}
.top nav{margin-left:auto;display:flex;gap:6px}
.top nav a{color:#fff;text-decoration:none;font-size:13px;padding:6px 12px;border-radius:6px;opacity:.9}
.top nav a.here{background:rgba(255,255,255,.16);opacity:1}
.top nav a:hover{background:rgba(255,255,255,.12)}

/* buttons */
.btn{border:1px solid var(--line);background:var(--surface);color:var(--ink);padding:8px 16px;border-radius:7px;cursor:pointer;font-weight:600;box-shadow:var(--shadow)}
.btn:hover{border-color:var(--felt)}
.btn.primary{background:var(--felt);color:#fff;border-color:var(--felt)}
.btn.primary:hover{background:var(--felt-ink)}
.btn.danger{color:var(--red);border-color:var(--red)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn.small{padding:5px 10px;font-size:13px}

/* layout */
.wrap{max-width:1200px;margin:0 auto;padding:20px}
.cols{display:grid;grid-template-columns:minmax(0,1fr) 400px;gap:20px;align-items:start}
@media(max-width:900px){.cols{grid-template-columns:1fr}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow);padding:16px 18px;margin-bottom:16px}
.card>h2{font-size:22px;margin-bottom:2px}
.card>.blurb{color:var(--muted);font-size:13.5px;margin:2px 0 12px;max-width:60ch}

/* layer accordion */
.layer{border:1px solid var(--line);border-radius:9px;margin-bottom:10px;overflow:hidden;background:var(--surface)}
.layer>summary{list-style:none;cursor:pointer;padding:12px 16px;display:flex;align-items:center;gap:10px;background:var(--panel)}
.layer>summary::-webkit-details-marker{display:none}
.layer>summary .n{font-family:"IBM Plex Mono",monospace;font-size:12px;color:var(--felt);border:1px solid var(--felt);border-radius:5px;padding:1px 7px}
.layer>summary h3{font-size:19px}
.layer>summary .caret{margin-left:auto;color:var(--muted);transition:transform .15s}
.layer[open]>summary .caret{transform:rotate(90deg)}
.layer .body{padding:6px 16px 16px}
.layer .body>.blurb{color:var(--muted);font-size:13px;margin:6px 0 12px;max-width:64ch}

/* option rows */
.opt{display:flex;align-items:flex-start;gap:10px;padding:8px 0;border-top:1px solid var(--line)}
.opt:first-child{border-top:0}
.opt .lab{flex:0 0 42%;font-weight:600;font-size:14px;display:flex;align-items:center;gap:6px}
.opt .ctl{flex:1;display:flex;flex-direction:column;gap:4px}
.opt select,.opt input[type=number]{width:100%;padding:6px 8px;border:1px solid var(--line);border-radius:6px;background:var(--surface)}
.opt .hint{font-size:12px;color:var(--muted);line-height:1.35}
.opt.disabled{opacity:.45}
.trap-badge{font-family:"IBM Plex Mono",monospace;font-size:9.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--red);background:var(--red-soft);padding:1px 5px;border-radius:3px}
.info{display:inline-flex;align-items:center;justify-content:center;width:15px;height:15px;border-radius:50%;border:1px solid var(--muted);color:var(--muted);font-size:10px;cursor:help;flex:0 0 auto;position:relative}
.info:hover{border-color:var(--felt);color:var(--felt)}
.tip{position:fixed;z-index:100;max-width:320px;background:var(--ink);color:var(--bg);padding:9px 12px;border-radius:7px;font-size:12.5px;line-height:1.45;font-weight:400;box-shadow:0 8px 24px rgba(0,0,0,.3);pointer-events:none;opacity:0;transition:opacity .12s}
.tip.show{opacity:1}

/* radio cards (brain, goal, cards) */
.radios{display:grid;gap:8px}
.radio{display:flex;gap:10px;align-items:flex-start;border:1px solid var(--line);border-radius:8px;padding:10px 12px;cursor:pointer;background:var(--surface)}
.radio:hover{border-color:var(--felt)}
.radio.sel{border-color:var(--felt);background:var(--felt-soft)}
.radio input{margin-top:3px}
.radio .t{font-weight:700;font-size:14.5px}
.radio .d{font-size:12.5px;color:var(--muted);line-height:1.4}
.tag{font-family:"IBM Plex Mono",monospace;font-size:10px;font-weight:600;padding:1px 6px;border-radius:999px;vertical-align:middle;margin-left:6px}
.tag.tab{background:var(--gold-soft);color:var(--tab)} .tag.val{background:var(--felt-soft);color:var(--val)}
.tag.pol{background:var(--blue-soft);color:var(--pol)} .tag.evo{background:var(--plum-soft);color:var(--evo)} .tag.mem{background:var(--slate-soft);color:var(--mem)}

/* side panel */
.side .card{position:sticky;top:78px}
.stat{display:flex;justify-content:space-between;align-items:baseline;padding:5px 0;border-top:1px solid var(--line);font-size:14px}
.stat:first-of-type{border-top:0}
.stat .k{color:var(--muted)}
.stat .v{font-family:"IBM Plex Mono",monospace;font-weight:600}
.klass{display:inline-block;font-family:"IBM Plex Mono",monospace;font-size:11px;padding:2px 8px;border-radius:999px;background:var(--felt-soft);color:var(--felt-ink)}
.warns{margin:10px 0 0;padding:0;list-style:none;display:flex;flex-direction:column;gap:6px}
.warns li{font-size:12.5px;background:var(--gold-soft);color:var(--ink);border-left:3px solid var(--gold);padding:7px 10px;border-radius:0 6px 6px 0}
.warns li.hard{background:var(--red-soft);border-left-color:var(--red)}
.handle{font-family:"Big Shoulders Display",sans-serif;font-weight:800;font-size:26px;letter-spacing:.01em}
.handle-row{display:flex;align-items:center;gap:8px;margin-bottom:4px}

/* recipes */
.recipe-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px}
.recipe{border:1px solid var(--line);border-radius:8px;padding:12px;cursor:pointer;background:var(--surface);text-align:left}
.recipe:hover{border-color:var(--felt);background:var(--felt-soft)}
.recipe .rn{font-weight:700;font-size:15px}
.recipe .rl{font-family:"IBM Plex Mono",monospace;font-size:11px;color:var(--felt);margin:3px 0}
.recipe .rb{font-size:12px;color:var(--muted);line-height:1.4}

/* training length control */
#runlen{margin-top:14px;border:1px solid var(--line);border-radius:9px;padding:12px;background:var(--panel)}
.rl-head{font-weight:700;font-size:13px;margin-bottom:8px}
.rl-modes{display:flex;gap:4px;margin-bottom:10px}
.rl-mode{flex:1;padding:6px 4px;border:1px solid var(--line);background:var(--surface);border-radius:6px;font-size:12.5px;cursor:pointer;color:var(--ink);font-weight:600}
.rl-mode:hover{border-color:var(--felt)}
.rl-mode.on{background:var(--felt);color:#fff;border-color:var(--felt)}
.rl-body{display:flex;flex-wrap:wrap;align-items:center;gap:6px}
.rl-num{width:120px;padding:6px 8px;border:1px solid var(--line);border-radius:6px;background:var(--surface);font-family:"IBM Plex Mono",monospace;font-variant-numeric:tabular-nums}
.rl-unit{font-size:13px;color:var(--muted)}
.rl-presets{display:flex;gap:4px;width:100%;margin-top:2px}
.rl-presets button{flex:1;padding:4px;border:1px solid var(--line);background:var(--surface);border-radius:5px;font-size:11.5px;font-family:"IBM Plex Mono",monospace;cursor:pointer;color:var(--ink)}
.rl-presets button:hover{border-color:var(--felt)}
.rl-est{font-size:11.5px;color:var(--muted);width:100%;line-height:1.4;margin-top:4px}

/* train harder (parallel) */
#trainharder{margin-top:10px;border:1px solid var(--line);border-radius:9px;padding:10px 12px;background:var(--panel)}
.th-toggle{display:flex;align-items:center;gap:7px;font-size:13px;cursor:pointer}
.th-body{margin-top:8px;display:flex;flex-wrap:wrap;align-items:center;gap:6px}
.th-body .rl-num{width:70px}
#runs{margin:10px 0;display:flex;flex-direction:column;gap:4px}
.runs-head{font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}
.run{display:flex;align-items:baseline;gap:8px;font-family:"IBM Plex Mono",monospace;font-size:12px;padding:4px 8px;border:1px solid var(--line);border-radius:6px;background:var(--surface)}
.run.best{border-color:var(--felt);background:var(--felt-soft)}
.run.fin{opacity:.75}
.run .run-i{font-weight:600;flex:0 0 52px}
.run .run-hands{flex:1;color:var(--muted)}
.run .run-score{font-variant-numeric:tabular-nums}
.run .run-tag{flex:0 0 auto;font-size:10px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}
.run.best .run-tag{color:var(--felt-ink);font-weight:600}

/* progress + charts */
.bar{height:10px;background:var(--line);border-radius:999px;overflow:hidden}
.bar>i{display:block;height:100%;background:var(--felt);width:0;transition:width .2s}
.bar.indet>i{width:35%!important;transition:none;animation:indet 1.1s ease-in-out infinite alternate}
@keyframes indet{from{margin-left:0}to{margin-left:65%}}
.metrics{display:grid;grid-template-columns:repeat(auto-fit,minmax(96px,1fr));gap:8px;margin:12px 0}
.metric{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:8px 10px}
.metric .k{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}
.metric .v{font-family:"IBM Plex Mono",monospace;font-size:20px;font-weight:600}
canvas{max-width:100%;display:block}
.chart-wrap{overflow-x:auto}

/* strategy chart grid */
.sc{border-collapse:collapse;font-family:"IBM Plex Mono",monospace;font-size:11px}
.sc th,.sc td{width:22px;height:20px;text-align:center;border:1px solid var(--line);padding:0}
.sc th{background:var(--panel);color:var(--muted);font-weight:500}
.sc td{color:#000;font-weight:600}
.sc td.dis{color:var(--muted);background:repeating-linear-gradient(45deg,transparent,transparent 3px,var(--line) 3px,var(--line) 4px)}
.a-H{background:#E9573F} .a-S{background:#F7C548} .a-D{background:#3FA796} .a-P{background:#6C8AE4} .a-R{background:#C7CCD1}
.legend{display:flex;gap:12px;flex-wrap:wrap;font-size:12px;margin-top:8px}
.legend .sw{display:inline-block;width:12px;height:12px;border-radius:3px;vertical-align:middle;margin-right:4px}

.drop{border:2px dashed var(--line);border-radius:10px;padding:26px;text-align:center;color:var(--muted);background:var(--panel)}
.drop.over{border-color:var(--felt);background:var(--felt-soft);color:var(--felt-ink)}
table.grid{width:100%;border-collapse:collapse;font-size:13.5px}
table.grid th,table.grid td{text-align:left;padding:8px 10px;border-top:1px solid var(--line)}
table.grid thead th{border-top:0;font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);background:var(--panel)}
table.grid td.num{font-family:"IBM Plex Mono",monospace;text-align:right;font-variant-numeric:tabular-nums}
/* model options spec sheet (tournament) */
#modelcard{margin-top:14px;border:1px solid var(--felt);border-radius:10px;background:var(--panel);padding:14px 16px}
.spec-head{display:flex;justify-content:space-between;align-items:flex-start;gap:10px}
.spec-title{font-family:"Big Shoulders Display",sans-serif;font-weight:800;font-size:22px;line-height:1}
.spec-sub{font-family:"IBM Plex Mono",monospace;font-size:12px;color:var(--muted);margin-top:3px}
.spec-note{font-size:12.5px;color:var(--muted);margin:8px 0 12px;max-width:64ch}
.spec-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}
.spec-sec{border:1px solid var(--line);border-radius:8px;padding:10px 12px;background:var(--surface)}
.spec-layer{font-family:"Big Shoulders Display",sans-serif;font-weight:700;font-size:16px;margin-bottom:6px;color:var(--felt-ink)}
.spec-list{display:grid;grid-template-columns:auto 1fr;gap:3px 10px;margin:0;font-size:13px}
.spec-list dt{color:var(--muted)}
.spec-list dt.muted{font-style:italic}
.spec-list dd{margin:0;font-weight:600;text-align:right;font-variant-numeric:tabular-nums}
.spec-hist{font-size:12px;color:var(--muted);margin-top:10px;line-height:1.4}

.chip-dot{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:6px;vertical-align:middle}
.pill{font-family:"IBM Plex Mono",monospace;font-size:11px;padding:1px 7px;border-radius:999px;background:var(--panel);border:1px solid var(--line)}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}