:root{color-scheme:dark}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial;background:#0b0f17;color:#e7eaf0}a{color:inherit;text-decoration:none}.app{min-height:100vh;display:flex;flex-direction:column}.container{width:min(1100px,92vw);margin:0 auto;padding:24px 0}.topbar{position:sticky;top:0;background:#0b0f17e6;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid #1b2333;display:flex;align-items:center;justify-content:space-between;padding:14px 4vw}.brand{font-weight:900;letter-spacing:.08em}.nav{display:flex;align-items:center;gap:10px}.card{background:#0f1624;border:1px solid #1b2333;border-radius:14px;padding:18px}.card.danger{border-color:#5b1f2a;background:#160b0e}.muted{color:#aab3c5}.big{font-size:28px;font-weight:900;margin:8px 0 0}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}@media(max-width:800px){.grid{grid-template-columns:1fr}}.stack{display:flex;flex-direction:column;gap:14px}.btn{border:1px solid #2a3550;background:#101a2b;color:#e7eaf0;padding:10px 14px;border-radius:12px;cursor:pointer}.btn:hover{filter:brightness(1.08)}.btn.primary{border-color:#3a5cff;background:#1b2b66}.btn:disabled{opacity:.6;cursor:not-allowed}.pill{border:1px solid #2a3550;background:#0d1422;padding:8px 10px;border-radius:999px;font-size:13px}.alert{border:1px solid #5b1f2a;background:#160b0e;padding:10px 12px;border-radius:12px}.list{margin:10px 0 0;padding-left:18px}.small{font-size:12px}code{background:#0b1220;border:1px solid #1b2333;padding:2px 6px;border-radius:8px}.footer{margin-top:auto;border-top:1px solid #1b2333;padding:14px 4vw;color:#aab3c5;font-size:13px}