:root {
  --bg1: #081224;
  --bg2: #111b36;
  --panel: rgba(255,255,255,0.08);
  --panel2: rgba(255,255,255,0.06);
  --border: rgba(255,255,255,0.12);
  --text: #edf4ff;
  --muted: #b9c6e3;
  --cyan: #60e6ff;
  --violet: #9d6bff;
  --gold: #ffcf70;
  --green: #42d392;
  --red: #ff7088;
  --shadow: 0 18px 40px rgba(0,0,0,.35);
  --radius: 24px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family: Inter, Arial, sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at top left, rgba(96,230,255,.18), transparent 30%),
    radial-gradient(circle at top right, rgba(157,107,255,.18), transparent 28%),
    linear-gradient(135deg,var(--bg1),var(--bg2));
  min-height:100vh;
}
a{text-decoration:none;color:inherit}
.container{max-width:1380px;margin:0 auto;padding:24px}
.topbar{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:24px}
.brand{display:flex;gap:14px;align-items:center}
.brand-badge{width:54px;height:54px;border-radius:18px;background:linear-gradient(135deg,var(--cyan),var(--violet));display:grid;place-items:center;font-size:24px;font-weight:800;box-shadow:var(--shadow)}
.brand h1{margin:0;font-size:clamp(24px,3vw,38px)}
.brand p{margin:4px 0 0;color:var(--muted)}
.btn,.input,.select{min-height:48px;border-radius:16px;border:1px solid var(--border);background:rgba(255,255,255,.08);color:var(--text);padding:0 16px}
.btn{display:inline-flex;align-items:center;justify-content:center;cursor:pointer;font-weight:800;transition:.18s ease}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.btn.primary{background:linear-gradient(135deg,#2ab6e8,#7b62ff);border:none}
.btn.good{background:linear-gradient(135deg,#1dbf73,#42d392);border:none}
.btn.warn{background:linear-gradient(135deg,#ff7c65,#ff5f8c);border:none}
.panel{background:var(--panel);border:1px solid var(--border);border-radius:28px;padding:26px;box-shadow:var(--shadow);backdrop-filter:blur(10px)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px}
.card{background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.05));border:1px solid var(--border);border-radius:24px;padding:16px;box-shadow:var(--shadow);transition:.2s ease}
.card:hover{transform:translateY(-5px)}
.thumb{height:280px;border-radius:18px;overflow:hidden;background:linear-gradient(135deg,rgba(96,230,255,.25),rgba(157,107,255,.25));display:flex;align-items:center;justify-content:center}
.thumb img{width:100%;height:100%;object-fit:cover;display:block}
.thumb.fallback{font-weight:900;font-size:28px;text-align:center;padding:18px}
.card h3{margin:14px 0 8px;font-size:22px}
.card p{margin:0 0 14px;color:var(--muted);min-height:44px}
.row{display:flex;gap:10px;flex-wrap:wrap}
.stats{display:grid;grid-template-columns:repeat(4,minmax(170px,1fr));gap:14px;margin-bottom:24px}
.stat-card{background:var(--panel);border:1px solid var(--border);border-radius:20px;padding:18px;box-shadow:var(--shadow)}
.stat-label{font-size:13px;color:var(--muted)}
.stat-value{font-weight:900;font-size:clamp(22px,3vw,34px);margin-top:8px}
.hero-layout{display:grid;grid-template-columns:1.75fr .95fr;gap:20px}
.title-gradient{font-size:clamp(34px,4.2vw,62px);line-height:1.12;margin:0 0 12px;font-weight:900;background:linear-gradient(90deg,#72e4ff,#ae93ff,#ffc577);-webkit-background-clip:text;background-clip:text;color:transparent}
.muted{color:var(--muted)}
.mini-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:22px 0}
.mini-box{background:var(--panel2);border:1px solid var(--border);border-radius:20px;padding:18px;text-align:center}
.mini-box strong{display:block;font-size:34px}
.input{width:100%;font-size:18px}
.form-group label{display:block;margin-bottom:10px;font-size:22px;font-weight:800}
.portrait-wrap{border-radius:22px;overflow:hidden;min-height:100%;background:linear-gradient(135deg,rgba(96,230,255,.18),rgba(157,107,255,.18));display:flex;align-items:center;justify-content:center}
.portrait-wrap img{width:100%;height:100%;object-fit:cover;max-height:620px}
.portrait-fallback{min-height:620px;width:100%;display:grid;place-items:center;font-size:42px;font-weight:900;padding:30px;text-align:center}
.quiz-top{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:18px}
.timer{padding:12px 18px;border-radius:16px;font-size:22px;font-weight:900;background:rgba(255,255,255,.08);border:1px solid var(--border)}
.progress{width:100%;height:14px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid var(--border);overflow:hidden;margin-bottom:18px}
.progress span{display:block;height:100%;width:0;background:linear-gradient(90deg,#47e0ff,#8b6cff,#ffcc75)}
.question-box{padding:22px;border-radius:24px;background:rgba(255,255,255,.06);border:1px solid var(--border);margin-bottom:18px}
.question-box h2{margin:0 0 10px;font-size:clamp(24px,3vw,38px)}
.answers{display:grid;gap:12px}
.answer{width:100%;text-align:left;min-height:64px;padding:14px 18px;border-radius:18px;border:1px solid var(--border);background:rgba(255,255,255,.06);color:var(--text);cursor:pointer;font-size:17px;font-weight:700;transition:.18s ease}
.answer:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.answer.correct{background:rgba(66,211,146,.16);border-color:rgba(66,211,146,.65)}
.answer.wrong{background:rgba(255,107,129,.16);border-color:rgba(255,107,129,.65)}
.answer.disabled{opacity:.7;cursor:not-allowed}
.table{width:100%;border-collapse:collapse;background:rgba(255,255,255,.04);overflow:hidden;border-radius:18px;border:1px solid var(--border)}
.table th,.table td{padding:12px 14px;border-bottom:1px solid rgba(255,255,255,.08);text-align:left;vertical-align:top}
.table th{font-size:14px;color:var(--muted)}
.flash{padding:14px 16px;border-radius:16px;margin-bottom:16px;font-weight:700}
.flash.success{background:rgba(66,211,146,.12);border:1px solid rgba(66,211,146,.45)}
.flash.error{background:rgba(255,107,129,.12);border:1px solid rgba(255,107,129,.45)}
.toolbar{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.login-wrap{max-width:480px;margin:60px auto}
.badge{display:inline-flex;padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid var(--border);font-size:13px;color:var(--muted)}
@media(max-width:1050px){.hero-layout{grid-template-columns:1fr}.portrait-wrap img{max-height:420px}.portrait-fallback{min-height:360px}.stats{grid-template-columns:repeat(2,minmax(150px,1fr))}}
@media(max-width:760px){.mini-stats,.stats{grid-template-columns:1fr}.container{padding:16px}}