/* Craps Lab — casino felt theme, mobile-first */
:root{
  --felt:#0b3d2e; --felt-dark:#07271e; --felt-light:#11573f;
  --gold:#d4af37; --gold-dim:#a8872c;
  --cream:#f5f0e1; --cream-dim:#cfc9b4;
  --red:#e05252; --green:#4caf7d; --blue:#5aa9e6;
  --card:#0e2f24; --line:#1d5c46;
  --radius:12px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0; background:var(--felt-dark); color:var(--cream);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang TC","Microsoft JhengHei",sans-serif;
  line-height:1.6;
}
a{color:var(--gold)}
.wrap{max-width:1080px;margin:0 auto;padding:0 16px}
/* ---------- header / nav ---------- */
header.site{position:sticky;top:0;z-index:50;background:rgba(7,39,30,.96);border-bottom:2px solid var(--gold-dim);backdrop-filter:blur(4px)}
.nav{display:flex;align-items:center;gap:8px;padding:10px 16px;max-width:1080px;margin:0 auto;flex-wrap:wrap}
.brand{font-weight:800;font-size:1.25rem;color:var(--gold);text-decoration:none;margin-right:auto;white-space:nowrap}
.brand small{color:var(--cream-dim);font-weight:400;font-size:.8rem}
.nav a.nl{color:var(--cream);text-decoration:none;padding:6px 10px;border-radius:8px;font-size:.92rem;white-space:nowrap}
.nav a.nl:hover,.nav a.nl.active{background:var(--felt-light);color:var(--gold)}
.langbtn{background:transparent;border:1px solid var(--gold-dim);color:var(--gold);border-radius:999px;padding:6px 14px;font-size:.85rem;cursor:pointer;white-space:nowrap}
.langbtn:hover{background:var(--gold);color:#1a1a1a}
/* ---------- hero ---------- */
.hero{background:radial-gradient(ellipse at 50% 0%,var(--felt-light),var(--felt-dark) 75%);text-align:center;padding:56px 16px 40px;border-bottom:1px solid var(--line)}
.hero h1{margin:0 0 8px;font-size:2.4rem;color:var(--gold);letter-spacing:.5px}
.hero p.sub{color:var(--cream-dim);max-width:640px;margin:0 auto 20px;font-size:1.05rem}
.btn{display:inline-block;background:var(--gold);color:#1a1a1a;font-weight:700;border:none;border-radius:10px;padding:12px 26px;font-size:1rem;cursor:pointer;text-decoration:none;margin:4px}
.btn:hover{background:#e8c34a}
.btn.ghost{background:transparent;color:var(--gold);border:2px solid var(--gold-dim)}
.btn.ghost:hover{border-color:var(--gold);color:var(--gold)}
.btn.danger{background:var(--red);color:#fff}
.btn.small{padding:8px 16px;font-size:.9rem}
/* ---------- dice ---------- */
.dice{display:inline-flex;gap:10px;justify-content:center;margin:12px 0}
.die{width:64px;height:64px;border-radius:12px;background:var(--cream);color:#1a1a1a;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 10px rgba(0,0,0,.4)}
.die svg{width:48px;height:48px}
/* ---------- cards / sections ---------- */
section.block{padding:32px 0}
h2.sec{color:var(--gold);border-bottom:2px solid var(--line);padding-bottom:8px;margin-top:0}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin:14px 0}
.grid{display:grid;gap:14px}
@media(min-width:720px){.grid.cols2{grid-template-columns:1fr 1fr}.grid.cols3{grid-template-columns:1fr 1fr 1fr}}
.kv{display:flex;justify-content:space-between;padding:6px 0;border-bottom:1px dashed var(--line)}
.kv:last-child{border-bottom:none}
.kv b{color:var(--gold)}
.pos{color:var(--green)} .neg{color:var(--red)}
.pill{display:inline-block;background:var(--felt-light);border:1px solid var(--gold-dim);color:var(--gold);border-radius:999px;padding:2px 12px;font-size:.8rem;margin:2px}
/* ---------- tabs ---------- */
.tabs{display:flex;gap:6px;flex-wrap:wrap;margin:16px 0}
.tab{background:var(--card);border:1px solid var(--line);color:var(--cream);border-radius:10px;padding:10px 16px;cursor:pointer;font-size:.95rem}
.tab:hover{border-color:var(--gold)}
.tab.active{background:var(--gold);color:#1a1a1a;font-weight:700;border-color:var(--gold)}
.tabpane{display:none}
.tabpane.active{display:block;animation:fade .25s}
@keyframes fade{from{opacity:0}to{opacity:1}}
/* ---------- tables ---------- */
table.data{width:100%;border-collapse:collapse;font-size:.92rem;margin:12px 0}
table.data th,table.data td{padding:8px 10px;border-bottom:1px solid var(--line);text-align:left}
table.data th{color:var(--gold);font-weight:700;background:rgba(212,175,55,.06)}
table.data tr:hover td{background:rgba(212,175,55,.04)}
.num{text-align:right;font-variant-numeric:tabular-nums}
/* ---------- forms ---------- */
label.f{display:block;margin:10px 0 4px;color:var(--cream-dim);font-size:.9rem}
input[type=text],input[type=number],select{background:#0a3529;border:1px solid var(--line);color:var(--cream);border-radius:8px;padding:10px 12px;font-size:1rem;width:100%;max-width:320px}
input:focus,select:focus{outline:2px solid var(--gold-dim)}
.rowflex{display:flex;gap:12px;flex-wrap:wrap;align-items:end}
.checkrow{display:flex;align-items:center;gap:8px;margin:8px 0}
.checkrow input{width:auto;accent-color:var(--gold)}
/* ---------- craps layout (simplified) ---------- */
.layout{background:#0d5c3f;border:3px solid #6b4f1d;border-radius:18px;padding:14px;position:relative;min-height:420px;margin:16px 0;user-select:none}
.lz{position:absolute;border:1px dashed rgba(212,175,55,.55);border-radius:8px;color:var(--cream);font-size:.72rem;display:flex;align-items:center;justify-content:center;text-align:center;cursor:pointer;padding:4px;background:rgba(0,0,0,.15)}
.lz:hover{background:rgba(212,175,55,.25)}
.lz .chip{position:absolute;top:-9px;right:-6px;background:var(--gold);color:#1a1a1a;font-size:.62rem;font-weight:700;border-radius:999px;padding:1px 7px}
.lz.off{opacity:.45;border-style:solid}
.lz.off::after{content:"OFF";position:absolute;bottom:2px;font-size:.6rem;color:var(--red);font-weight:700}
/* ---------- log / chart ---------- */
.log{background:#04150f;border:1px solid var(--line);border-radius:8px;padding:12px;height:180px;overflow-y:auto;font-family:ui-monospace,monospace;font-size:.82rem}
.log div{padding:2px 0;border-bottom:1px dotted #123}
canvas.chart{width:100%;height:260px;background:#04150f;border:1px solid var(--line);border-radius:8px}
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px;margin:14px 0}
.stat{background:#04150f;border:1px solid var(--line);border-radius:10px;padding:12px;text-align:center}
.stat .v{font-size:1.5rem;font-weight:800;color:var(--gold)}
.stat .l{font-size:.78rem;color:var(--cream-dim)}
.bar{height:10px;background:#123;border-radius:5px;overflow:hidden;margin:6px 0}
.bar i{display:block;height:100%;background:var(--gold)}
/* ---------- ad slots ---------- */
.ad-slot{margin:22px auto;max-width:728px;min-height:90px;border:1px dashed #4a5a52;border-radius:8px;display:flex;align-items:center;justify-content:center;color:#6b7a72;font-size:.75rem;letter-spacing:2px;background:rgba(255,255,255,.02)}
.ad-note{font-size:.78rem;color:#8a968f;text-align:center;max-width:640px;margin:0 auto 8px}
/* ---------- house ad: bottom banner, high-visibility ---------- */
.house-ad{margin:36px auto 8px;max-width:728px;border-radius:10px;background:linear-gradient(135deg,#f5b942,#e8930c);color:#1a1206;padding:22px 26px;text-align:center;box-shadow:0 4px 24px rgba(232,147,12,.25)}
.house-ad-label{display:block;font-size:.72rem;letter-spacing:3px;text-transform:uppercase;font-weight:700;opacity:.7;margin-bottom:8px}
.house-ad-link{display:inline-block;font-size:1.12rem;font-weight:800;color:#1a1206;text-decoration:none;border-bottom:2px solid rgba(26,18,6,.4);letter-spacing:normal}
.house-ad-link:hover{border-bottom-color:#1a1206}
/* ---------- misc ---------- */
footer.site{border-top:2px solid var(--gold-dim);margin-top:40px;padding:24px 16px;text-align:center;color:var(--cream-dim);font-size:.85rem}
.disclosure{background:rgba(224,82,82,.08);border:1px solid rgba(224,82,82,.35);border-radius:10px;padding:14px 18px;font-size:.88rem;margin:18px 0}
.callout{background:rgba(212,175,55,.08);border-left:4px solid var(--gold);padding:12px 16px;border-radius:0 10px 10px 0;margin:14px 0}
details{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:12px 16px;margin:10px 0}
summary{cursor:pointer;font-weight:700;color:var(--gold)}
.quiz-opt{display:block;width:100%;text-align:left;background:var(--card);border:1px solid var(--line);color:var(--cream);border-radius:10px;padding:12px;margin:8px 0;cursor:pointer;font-size:1rem}
.quiz-opt:hover{border-color:var(--gold)}
.quiz-opt.right{border-color:var(--green);background:rgba(76,175,125,.12)}
.quiz-opt.wrong{border-color:var(--red);background:rgba(224,82,82,.12)}
.big{font-size:1.15rem}
.center{text-align:center}
.muted{color:var(--cream-dim)}
.mt{margin-top:18px}
@media(max-width:560px){.hero h1{font-size:1.8rem}.die{width:52px;height:52px}.die svg{width:38px;height:38px}}