:root{
  --bg:#f6f8fb;--surface:#fff;--text:#172033;--muted:#667085;
  --border:#e4e7ec;--accent:#4f46e5;--accent2:#7c3aed;
  --good:#16803c;--danger:#c62828;--shadow:0 10px 30px rgba(16,24,40,.08);
}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text);line-height:1.65}
a{color:var(--accent);text-decoration:none} a:hover{text-decoration:underline}
.container{width:min(1120px,calc(100% - 32px));margin:auto}
.site-header{background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:20}
.nav{display:flex;align-items:center;justify-content:space-between;min-height:64px;gap:20px}
.logo{font-weight:800;font-size:22px;color:var(--text)}
.nav-links{display:flex;gap:18px;flex-wrap:wrap;font-size:14px}
.hero{padding:64px 0 40px;background:linear-gradient(135deg,#eef2ff,#fff)}
.hero h1{font-size:clamp(34px,6vw,58px);line-height:1.05;margin:0 0 18px}
.hero p{max-width:760px;color:var(--muted);font-size:18px}
.badges{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0}
.badge{display:inline-flex;padding:5px 10px;border:1px solid var(--border);border-radius:999px;background:#fff;color:#475467;font-size:12px}
.section{padding:42px 0}
.section h2{margin:0 0 10px;font-size:30px}
.section-intro{color:var(--muted);max-width:760px}
.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:20px;box-shadow:var(--shadow)}
.card h3{margin:0 0 8px;font-size:19px}
.card p{margin:0;color:var(--muted);font-size:14px}
.card .meta{margin-top:14px;display:flex;gap:8px;flex-wrap:wrap}
.button{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:10px;padding:10px 15px;background:var(--accent);color:#fff;font-weight:700;cursor:pointer}
.button:hover{background:var(--accent2);text-decoration:none}
.button.secondary{background:#eef2ff;color:#3730a3}
.button:disabled{opacity:.5;cursor:not-allowed}
.game-page{padding:34px 0 60px}
.game-head{display:grid;grid-template-columns:1.3fr .7fr;gap:24px;align-items:start}
.game-head h1{font-size:42px;line-height:1.1;margin:0 0 10px}
.game-head p{color:var(--muted);font-size:17px}
.game-shell{background:#111827;border-radius:18px;padding:18px;box-shadow:var(--shadow);color:#fff}
.game-toolbar{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:14px}
.stat-row{display:flex;gap:10px;flex-wrap:wrap}
.stat{background:#1f2937;border-radius:10px;padding:8px 12px;min-width:82px}
.stat small{display:block;color:#9ca3af;font-size:11px}.stat strong{font-size:18px}
.game-stage{min-height:420px;background:#f8fafc;border-radius:14px;color:#111827;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center}
.game-message{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;text-align:center;padding:25px;z-index:4;background:rgba(248,250,252,.92)}
.game-message.hidden{display:none}
.game-message-inner{max-width:430px}.game-message h2{margin:0 0 8px}.game-message p{color:#667085}
.play-area{width:100%;height:100%;min-height:420px;position:relative;padding:20px}
.target{position:absolute;width:62px;height:62px;border-radius:50%;border:5px solid #fff;background:var(--accent);box-shadow:0 4px 18px rgba(0,0,0,.2);cursor:pointer}
.tap-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;width:min(480px,100%);margin:auto}
.tap-cell{aspect-ratio:1;border:0;border-radius:8px;background:#e5e7eb;cursor:pointer}.tap-cell.active{background:var(--accent)}
.big-choice{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;width:min(560px,100%);margin:auto}
.choice{border:1px solid var(--border);background:#fff;border-radius:12px;padding:22px;font-weight:700;cursor:pointer}
.choice:hover{border-color:var(--accent)}
.center-card{width:min(560px,100%);margin:auto;text-align:center}
.input{width:100%;padding:12px;border:1px solid var(--border);border-radius:10px;font:inherit}
.progress{height:10px;background:#e5e7eb;border-radius:99px;overflow:hidden}.progress>span{display:block;height:100%;background:var(--accent);width:0}
.timing-track{height:34px;background:#e5e7eb;border-radius:99px;position:relative;overflow:hidden}.timing-zone{position:absolute;left:40%;width:20%;top:0;bottom:0;background:#bbf7d0}.timing-marker{position:absolute;top:2px;bottom:2px;width:8px;background:#111827;border-radius:5px}
.info-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:24px}
.info-box{background:#fff;border:1px solid var(--border);border-radius:16px;padding:22px}
.info-box h2{margin-top:0}
.footer{border-top:1px solid var(--border);background:#fff;padding:32px 0;color:var(--muted);font-size:14px}
.footer-links{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:12px}
.article{max-width:820px;margin:50px auto}.article h1{font-size:44px;line-height:1.15}.article h2{margin-top:36px}.article p,.article li{color:#475467}.article ul{padding-left:22px}
.notice{background:#eef2ff;border:1px solid #c7d2fe;border-radius:12px;padding:14px 16px;color:#3730a3}
@media(max-width:820px){.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.game-head{grid-template-columns:1fr}.info-grid{grid-template-columns:1fr}.nav{align-items:flex-start;padding:12px 0}.hero{padding-top:40px}}
@media(max-width:560px){.grid{grid-template-columns:1fr}.game-head h1{font-size:34px}.game-stage,.play-area{min-height:360px}.nav-links{gap:10px}}

/* V3 visual refresh */
:root{
  --bg:#070b16;--surface:#101727;--surface2:#151d31;--text:#eef2ff;--muted:#aab5cc;
  --border:rgba(255,255,255,.10);--accent:#7c5cff;--accent2:#21d4fd;
  --shadow:0 18px 50px rgba(0,0,0,.30)
}
body{background:radial-gradient(circle at 10% 0%,rgba(124,92,255,.12),transparent 30%),radial-gradient(circle at 90% 10%,rgba(33,212,253,.08),transparent 28%),var(--bg);color:var(--text)}
.site-header{background:rgba(7,11,22,.84);backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}
.logo{color:#fff}.nav-links a{color:#cbd5e1}.nav-links a:hover{color:#fff}
.hero{background:linear-gradient(135deg,#0d1230 0%,#0a1122 50%,#0b1721 100%);border-bottom:1px solid var(--border)}
.hero p,.section-intro,.card p,.game-head p,.article p,.article li{color:var(--muted)}
.badge{background:rgba(255,255,255,.05);border-color:var(--border);color:#cbd5e1}
.card,.info-box{background:linear-gradient(180deg,rgba(21,29,49,.96),rgba(13,19,34,.96));border-color:var(--border);box-shadow:var(--shadow)}
.card{overflow:hidden;transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}
.card:hover{transform:translateY(-4px);border-color:rgba(124,92,255,.55);box-shadow:0 22px 60px rgba(0,0,0,.36)}
.button{background:linear-gradient(135deg,var(--accent),#5b8cff);box-shadow:0 8px 22px rgba(92,76,255,.25)}
.button.secondary{background:rgba(124,92,255,.14);color:#c4b5fd;border:1px solid rgba(124,92,255,.28)}
.game-page{padding-top:46px}
.game-head h1{font-size:clamp(38px,5vw,62px);letter-spacing:-1.5px}
.game-shell{background:linear-gradient(180deg,#171f35,#0c1220);border:1px solid rgba(255,255,255,.08);padding:20px}
.game-stage{background:radial-gradient(circle at 50% 35%,#f8fbff,#dce6f5);min-height:500px}
.stat{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.08)}
.game-cover{height:210px;border-radius:18px;position:relative;overflow:hidden;margin-bottom:18px;border:1px solid rgba(255,255,255,.12);box-shadow:0 18px 50px rgba(0,0,0,.24)}
.game-cover .orb{position:absolute;border-radius:50%;filter:blur(1px);opacity:.85}
.game-cover .orb.a{width:190px;height:190px;right:-45px;top:-70px;background:#21d4fd}
.game-cover .orb.b{width:160px;height:160px;left:-50px;bottom:-70px;background:#7c5cff}
.game-cover .cover-content{position:absolute;inset:0;padding:26px;display:flex;flex-direction:column;justify-content:flex-end;background:linear-gradient(180deg,rgba(5,8,18,.05),rgba(5,8,18,.82))}
.game-cover .cover-kicker{font-size:12px;text-transform:uppercase;letter-spacing:1.8px;color:#c4b5fd;font-weight:800}
.game-cover h2{font-size:32px;margin:5px 0 0;color:#fff;line-height:1.05}
.game-icon{position:absolute;right:28px;top:26px;font-size:64px;filter:drop-shadow(0 8px 20px rgba(0,0,0,.3))}
.game-grid-cover{height:150px}
.game-grid-cover .cover-content{padding:18px}
.game-grid-cover h2{font-size:22px}
.game-grid-cover .game-icon{font-size:42px;right:18px;top:18px}
.notice{background:rgba(124,92,255,.10);border-color:rgba(124,92,255,.25);color:#d8d1ff}
.footer{background:#060a13;border-color:var(--border);color:#8792aa}
.footer a{color:#aeb9cf}
.article h1{color:#fff}.article h2{color:#f3f4f6}
.input,.choice{background:#fff;color:#111827}
@media(max-width:560px){.game-cover{height:175px}.game-icon{font-size:46px}.game-cover h2{font-size:25px}}


/* V5 deployment hardening */
.nav-links{display:flex!important;align-items:center;gap:18px!important;column-gap:18px!important;row-gap:8px!important;white-space:nowrap}
.nav-links a{display:inline-block!important;margin:0!important;padding:3px 0!important}
.ready-preview{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;color:#334155;z-index:1;pointer-events:none;text-align:center}
.ready-preview strong{font-size:22px;color:#172033}.ready-preview span{font-size:14px;color:#64748b}
.preview-ring{width:92px;height:92px;border-radius:50%;border:12px solid rgba(124,92,255,.18);border-top-color:#7c5cff;box-shadow:0 0 0 10px rgba(33,212,253,.06)}
.preview-dot{width:18px;height:18px;border-radius:50%;background:#7c5cff;position:absolute;margin-top:-100px;box-shadow:0 0 24px rgba(124,92,255,.5)}
.game-message{z-index:4}
@media(max-width:820px){.nav{flex-wrap:wrap}.nav-links{width:100%;justify-content:flex-start;overflow-x:auto;padding-bottom:2px}}


/* V7 search experience */
.search-nav{display:inline-flex!important;align-items:center;justify-content:center;padding:7px 12px!important;border:1px solid rgba(124,92,255,.35)!important;border-radius:999px!important;background:rgba(124,92,255,.12)!important;color:#ddd6fe!important;font-weight:700!important}
.search-nav:hover{background:rgba(124,92,255,.22)!important;text-decoration:none!important;color:#fff!important}
.search-panel{margin:28px 0 30px;padding:22px;border:1px solid var(--border);border-radius:18px;background:linear-gradient(180deg,rgba(21,29,49,.96),rgba(13,19,34,.96));box-shadow:var(--shadow)}
.search-row{display:grid;grid-template-columns:minmax(0,1fr) 190px auto;gap:10px;align-items:center}
.search-input-wrap{position:relative}.search-input{width:100%;height:50px;padding:0 16px 0 44px;border:1px solid rgba(255,255,255,.12);border-radius:12px;background:#0b1220;color:#f8fafc;font:inherit;outline:none}.search-input:focus{border-color:rgba(124,92,255,.75);box-shadow:0 0 0 3px rgba(124,92,255,.15)}.search-icon{position:absolute;left:15px;top:50%;transform:translateY(-50%);font-size:18px;color:#94a3b8;pointer-events:none}
.search-select{height:50px;padding:0 12px;border:1px solid rgba(255,255,255,.12);border-radius:12px;background:#0b1220;color:#f8fafc;font:inherit}
.search-meta{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-top:12px;color:#9aa6bd;font-size:14px}.search-empty{padding:30px 12px;text-align:center;color:#aab5cc}.search-empty strong{display:block;color:#fff;font-size:20px;margin-bottom:6px}
.search-home{max-width:820px;margin:30px auto 0}.search-home .search-row{grid-template-columns:minmax(0,1fr) auto}.search-home .search-input{height:56px;font-size:16px}.search-home .button{height:56px;padding:0 22px}
.card[hidden]{display:none!important}
@media(max-width:700px){.search-row,.search-home .search-row{grid-template-columns:1fr}.search-home .button{width:100%}.search-meta{align-items:flex-start;flex-direction:column}}