:root{--bg:#080b12;--card:#111722;--line:#263044;--text:#f5f7fb;--muted:#9ea9ba;--accent:#7c5cff;--accent2:#26d0ce;--danger:#ff6376;--success:#42d392}
*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 10% 0,#17213b 0,transparent 35%),var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif;min-height:100vh}
a{color:inherit;text-decoration:none}.topbar{height:72px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 max(20px,5vw);background:rgba(8,11,18,.85);backdrop-filter:blur(18px);position:sticky;top:0;z-index:5}.brand{font-weight:800;letter-spacing:-.4px}.topbar nav{display:flex;gap:20px;color:var(--muted);font-size:14px}.topbar nav a:hover{color:#fff}
.container{width:min(1180px,calc(100% - 32px));margin:36px auto}.narrow{width:min(620px,calc(100% - 32px))}
.hero{padding:34px 0 24px}.hero h1,.card h1{font-size:clamp(30px,5vw,52px);line-height:1.02;margin:8px 0 14px;letter-spacing:-1.8px}.hero p{max-width:720px;color:var(--muted);font-size:17px;line-height:1.65}
.eyebrow{font-size:12px;letter-spacing:1.8px;color:var(--accent2);font-weight:800}.grid{display:grid;grid-template-columns:1.15fr .85fr;gap:20px;margin:18px 0}
.card{background:linear-gradient(145deg,rgba(20,28,43,.94),rgba(14,19,29,.94));border:1px solid var(--line);border-radius:20px;padding:24px;box-shadow:0 20px 60px rgba(0,0,0,.18);margin-bottom:20px}.card h2{margin:0 0 16px}.notice{background:linear-gradient(145deg,rgba(124,92,255,.16),rgba(17,23,34,.96))}.notice p{color:var(--muted);line-height:1.6}
.stack{display:grid;gap:16px}label{display:grid;gap:8px;color:#dce3ee;font-size:14px;font-weight:650}input{width:100%;background:#090d15;border:1px solid #303b51;color:#fff;border-radius:12px;padding:14px 15px;font-size:15px}input:focus{outline:2px solid rgba(124,92,255,.35);border-color:var(--accent)}
button{border:0;border-radius:12px;padding:14px 18px;font-weight:800;font-size:15px;cursor:pointer;color:#fff;background:linear-gradient(135deg,var(--accent),#5d88ff)}button:hover{filter:brightness(1.08)}
.hint,.muted{color:var(--muted);font-size:14px}.alert{border-radius:13px;padding:14px 16px;margin:14px 0}.alert.error{background:rgba(255,99,118,.12);border:1px solid rgba(255,99,118,.35);color:#ffb0ba}.alert.success{background:rgba(66,211,146,.12);border:1px solid rgba(66,211,146,.35);color:#a9f1cd}
.auth-card{max-width:520px;margin:70px auto}.auth-card h1{font-size:36px}
.result-head,.section-title{display:flex;align-items:center;justify-content:space-between;gap:20px}.score{font-size:38px;font-weight:900;color:var(--accent2)}.details{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.details div{background:#0b1019;border:1px solid #202a3a;border-radius:14px;padding:14px}.details span{display:block;color:var(--muted);font-size:12px;margin-bottom:6px}.details strong{overflow-wrap:anywhere}
.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;min-width:760px}th,td{text-align:left;border-bottom:1px solid #242d3e;padding:13px 10px;font-size:13px}th{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.7px}
.diagnostics{display:grid;gap:10px}.diag{display:flex;align-items:center;gap:12px;padding:14px;background:#0b1019;border:1px solid #222c3d;border-radius:13px}.diag div{flex:1}.diag small{display:block;color:var(--muted);margin-top:3px}.diag b{font-size:12px}.dot{width:11px;height:11px;border-radius:50%}.dot.ok{background:var(--success);box-shadow:0 0 12px rgba(66,211,146,.6)}.dot.bad{background:var(--danger);box-shadow:0 0 12px rgba(255,99,118,.6)}
footer{text-align:center;color:#6f7a8b;font-size:12px;padding:30px}
@media(max-width:760px){.topbar{height:auto;min-height:66px;padding:15px 18px;align-items:flex-start}.topbar nav{gap:12px;flex-wrap:wrap;justify-content:flex-end}.container{margin-top:22px}.grid,.details{grid-template-columns:1fr}.card{padding:19px;border-radius:17px}.result-head{align-items:flex-start}.score{font-size:30px}.hero h1,.card h1{letter-spacing:-1px}}