/* 4DFast frontend — fast, modern, responsive. Light + dark. */
:root{
  --brand:#e11d2a;--brand-d:#b3121e;
  --bg:#f4f6fb;--panel:#ffffff;--ink:#0f172a;--muted:#64748b;--line:#e6eaf1;
  --gold:#eab308;--ok:#16a34a;--radius:16px;
  --shadow:0 1px 3px rgba(15,23,42,.06),0 8px 24px rgba(15,23,42,.05);
  --mono:ui-monospace,'SF Mono',Menlo,Consolas,monospace;
}
[data-theme=dark]{
  --bg:#0b1120;--panel:#111827;--ink:#e5e9f2;--muted:#94a3b8;--line:#1e293b;
  --shadow:0 1px 3px rgba(0,0,0,.4);
}
@media(prefers-color-scheme:dark){:root:not([data-theme=light]){
  --bg:#0b1120;--panel:#111827;--ink:#e5e9f2;--muted:#94a3b8;--line:#1e293b;
  --shadow:0 1px 3px rgba(0,0,0,.4);
}}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:system-ui,-apple-system,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);color:var(--ink);font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:var(--brand);text-decoration:none}
.wrap{max-width:1100px;margin:0 auto;padding:0 16px}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
/* Header */
.site-head{position:sticky;top:0;z-index:40;background:color-mix(in srgb,var(--panel) 88%,transparent);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.site-head .wrap{display:flex;align-items:center;gap:18px;height:60px}
.logo{font-weight:800;font-size:22px;letter-spacing:-.5px;color:var(--ink)}
.logo span{color:var(--brand)}
.mainnav{display:flex;gap:4px;margin-left:8px}
.mainnav a{color:var(--muted);padding:8px 12px;border-radius:9px;font-weight:500;font-size:14.5px}
.mainnav a:hover,.mainnav a.on{color:var(--ink);background:color-mix(in srgb,var(--ink) 6%,transparent)}
.head-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.theme-btn{background:none;border:1px solid var(--line);color:var(--muted);width:38px;height:38px;border-radius:10px;cursor:pointer;font-size:16px}
.burger{display:none;background:none;border:1px solid var(--line);color:var(--ink);width:38px;height:38px;border-radius:10px;font-size:18px;cursor:pointer}
/* Disclaimer ribbon */
.disc-bar{background:color-mix(in srgb,var(--brand) 8%,var(--panel));border-bottom:1px solid var(--line);
  font-size:12.5px;color:var(--muted);text-align:center;padding:7px 16px}
.disc-bar strong{color:var(--ink)}
/* Hero */
.hero{padding:26px 0 8px}
.hero h1{font-size:26px;margin:0 0 4px;letter-spacing:-.5px}
.hero p{color:var(--muted);margin:0}
.live-dot{display:inline-block;width:9px;height:9px;background:var(--ok);border-radius:50%;margin-right:6px;
  box-shadow:0 0 0 0 rgba(22,163,74,.6);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(22,163,74,.5)}70%{box-shadow:0 0 0 8px rgba(22,163,74,0)}100%{box-shadow:0 0 0 0 rgba(22,163,74,0)}}
/* Result cards */
.results-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:16px;margin:16px 0 8px}
.rcard{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;transition:transform .15s,box-shadow .15s}
.rcard:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(15,23,42,.1)}
.rcard-head{display:flex;align-items:center;gap:10px;padding:13px 16px;color:#fff}
.rcard-head .name{font-weight:700;font-size:15px}
.rcard-head .date{margin-left:auto;font-size:12.5px;opacity:.9;text-align:right}
.rcard-body{padding:14px 16px}
.prize-row{display:grid;grid-template-columns:auto 1fr;gap:6px 12px;align-items:center;margin-bottom:8px}
.prize-lbl{font-size:11.5px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.prize-num{font-family:var(--mono);font-size:24px;font-weight:700;letter-spacing:.06em}
.prize-num.p1{color:var(--brand)}
.subgrid{display:grid;grid-template-columns:repeat(5,1fr);gap:5px;margin-top:8px}
.subgrid.c3{grid-template-columns:repeat(5,1fr)}
.sub-cell{background:color-mix(in srgb,var(--ink) 4%,transparent);border-radius:7px;padding:6px 2px;text-align:center;
  font-family:var(--mono);font-size:14px;font-weight:600}
.sub-head{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.05em;margin:12px 0 5px}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.rcard-foot{padding:10px 16px;border-top:1px solid var(--line);display:flex;gap:12px;font-size:12.5px}
.rcard-foot a{color:var(--muted)}
.badge{display:inline-block;font-size:11px;padding:2px 8px;border-radius:20px;background:color-mix(in srgb,var(--ink) 8%,transparent);color:var(--muted)}
.tabs{display:flex;gap:6px;flex-wrap:wrap;margin:6px 0}
.tabs button{background:var(--panel);border:1px solid var(--line);color:var(--muted);padding:7px 13px;border-radius:20px;font-size:13.5px;cursor:pointer;font-weight:500}
.tabs button.on{background:var(--brand);color:#fff;border-color:var(--brand)}
/* Panels / sections */
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;margin:16px 0}
.panel h2{margin:0 0 6px;font-size:18px}
.panel .sub{color:var(--muted);font-size:13.5px;margin:0 0 14px}
.section-title{display:flex;align-items:center;gap:10px;margin:26px 0 4px}
.section-title h2{font-size:19px;margin:0}
.section-title .line{flex:1;height:1px;background:var(--line)}
/* Forms */
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px;font-weight:400}
input[type=text],input[type=email],input[type=date],input[type=number],select{
  width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:11px;background:var(--panel);color:var(--ink);
  font-size:15px;font-weight:400;font-family:inherit}
input:focus,select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(225,29,42,.14)}
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--brand);color:#fff;border:0;padding:12px 22px;
  border-radius:11px;font-size:15px;font-weight:600;cursor:pointer;font-family:inherit}
.btn:hover{background:var(--brand-d)}
.btn.ghost{background:var(--panel);color:var(--ink);border:1px solid var(--line)}
.btn.block{width:100%;justify-content:center}
.digit-inputs{display:flex;gap:8px;flex-wrap:wrap}
.digit-inputs input{width:64px;text-align:center;font-family:var(--mono);font-size:20px;font-weight:700;letter-spacing:.1em;padding:12px 4px}
/* Win checker result */
.hit{background:color-mix(in srgb,var(--ok) 12%,var(--panel));border:1px solid color-mix(in srgb,var(--ok) 40%,var(--line));
  border-radius:12px;padding:12px 14px;margin-bottom:8px}
.hit .amt{color:var(--ok);font-weight:700}
.miss{color:var(--muted);text-align:center;padding:22px}
/* Analytics */
.freq-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(88px,1fr));gap:8px}
.freq-cell{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:10px;text-align:center}
.freq-cell .num{font-family:var(--mono);font-weight:700;font-size:18px}
.freq-cell .cnt{font-size:12px;color:var(--muted)}
.bar{height:8px;border-radius:6px;background:color-mix(in srgb,var(--ink) 8%,transparent);overflow:hidden;margin-top:6px}
.bar>span{display:block;height:100%;background:var(--brand)}
.hotcold{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.chip{display:inline-flex;align-items:center;gap:6px;background:color-mix(in srgb,var(--ink) 5%,transparent);
  border-radius:20px;padding:6px 12px;font-family:var(--mono);font-weight:600;margin:3px}
.chip.hot{background:color-mix(in srgb,var(--brand) 14%,transparent);color:var(--brand)}
.chip.cold{background:color-mix(in srgb,#0ea5e9 14%,transparent);color:#0284c7}
/* Ad slots */
.ad-slot{margin:16px 0;min-height:0}
.ad-slot:empty{display:none}
/* Footer */
.site-foot{border-top:1px solid var(--line);margin-top:40px;padding:26px 0;color:var(--muted);font-size:13px}
.site-foot .cols{display:grid;grid-template-columns:2fr 1fr 1fr;gap:20px}
.site-foot a{color:var(--muted);display:block;padding:3px 0}
.site-foot h4{color:var(--ink);font-size:13px;margin:0 0 8px;text-transform:uppercase;letter-spacing:.05em}
.disclaimer-box{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:14px;font-size:12.5px;color:var(--muted);margin-top:16px;line-height:1.6}
/* Utility */
.muted{color:var(--muted)}.small{font-size:13px}.center{text-align:center}
.pilltag{display:inline-block;padding:3px 10px;border-radius:8px;color:#fff;font-size:12px;font-weight:600}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.empty{text-align:center;color:var(--muted);padding:30px}
.spinner{display:inline-block;width:18px;height:18px;border:2px solid var(--line);border-top-color:var(--brand);border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
@media(max-width:820px){
  .mainnav{display:none;position:absolute;top:60px;left:0;right:0;background:var(--panel);flex-direction:column;
    border-bottom:1px solid var(--line);padding:8px}
  body.nav-open .mainnav{display:flex}
  .burger{display:block}
  .two-col,.grid2,.hotcold{grid-template-columns:1fr}
  .site-foot .cols{grid-template-columns:1fr}
  .subgrid{grid-template-columns:repeat(5,1fr)}
  .hero h1{font-size:22px}
}
@media(max-width:420px){.subgrid{grid-template-columns:repeat(3,1fr)}.digit-inputs input{width:56px}}