*{box-sizing:border-box} :root{--bg:#0b1220;--panel:#0f172a;--text:#e2e8f0;--muted:#94a3b8;--accent:#0ea5e9;--border:#1f2937}
html,body{height:100%} body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,"Noto Sans",Arial}
a{color:inherit;text-decoration:none} a:hover{opacity:.9}
.header{background:linear-gradient(90deg,var(--accent),#22d3ee);color:#06131a;padding:16px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800}
.brand img{width:36px;height:36px;border-radius:9px}
.nav{display:flex;gap:12px;flex-wrap:wrap;margin-top:8px}
.nav a{background:#e6f6ff;color:#042231;padding:8px 12px;border-radius:10px;border:1px solid rgba(0,0,0,.1)}
.main{max-width:960px;margin:0 auto;padding:20px;display:grid;gap:16px}
.card{background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:16px;box-shadow:0 10px 24px rgba(0,0,0,.25)}
h1,h2,h3{margin:0 0 8px 0} p{margin:0 0 12px 0} .muted{color:var(--muted)}
.grid{display:grid;gap:16px} @media(min-width:720px){.grid{grid-template-columns:1fr 1fr}}
.footer{margin-top:auto;border-top:1px solid var(--border);padding:12px 16px;color:var(--muted);text-align:center}
.button{cursor:pointer;background:#0b2a3a;border:1px solid #2b3b4b;color:var(--text);padding:10px 14px;border-radius:12px;display:inline-block}
.tag{display:inline-block;background:#0b1b2b;border:1px solid var(--border);color:var(--muted);padding:4px 8px;border-radius:999px;font-size:.85rem}
.input-wrap{display:flex;align-items:stretch;gap:8px;margin-top:6px}
.input-wrap .prefix,.input-wrap .suffix{background:#0b1b2b;border:1px solid var(--border);padding:10px 12px;border-radius:12px}
.input-wrap input{flex:1;padding:10px 12px;border:1px solid var(--border);background:#0b1b2b;color:var(--text);border-radius:12px}