:root{color-scheme:dark;font-family:system-ui,-apple-system,"Segoe UI",sans-serif;--bg:#06121e;--panel:#102a3a;--line:#376075;--text:#e9f8ff;--muted:#9dbcc9;--ice:#a4eaff}*{box-sizing:border-box}body{margin:0;min-height:100vh;color:var(--text);background:radial-gradient(ellipse at 83% 3%,#174052 0,transparent 48%),linear-gradient(145deg,#06121e,#0b2130 67%,#06121e);font-size:15px}a{color:var(--ice)}header{display:flex;justify-content:space-between;gap:16px;align-items:center;max-width:1040px;margin:auto;padding:25px 22px;border-bottom:1px solid var(--line)}.brand{text-decoration:none;font-weight:850;letter-spacing:.14em;color:#e2f7ff}.brand span{color:#8de4ef}.back{font-size:13px;color:var(--muted)}main{max-width:880px;margin:54px auto;padding:0 20px 80px}h1{font-size:clamp(28px,5vw,46px);letter-spacing:-.04em;margin:0 0 12px}h2{font-size:22px;margin:0 0 18px}.lead{color:var(--muted);max-width:610px;line-height:1.7;margin-bottom:26px}.grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.panel{border:1px solid var(--line);background:linear-gradient(145deg,#133345dd,#0b1d2c);padding:28px;border-radius:13px;box-shadow:0 15px 50px #0002}.wide{grid-column:1/-1}.field{display:flex;flex-direction:column;gap:7px;margin-bottom:15px}.field label{font-size:13px;font-weight:650}.field input{width:100%;background:#071c2b;color:var(--text);padding:12px;border:1px solid #477083;border-radius:7px;font-size:16px}.field input:focus{outline:2px solid #8bdcea}.field small{color:var(--muted)}button{font:inherit;cursor:pointer;background:#a1e8f2;color:#071c29;border:0;border-radius:7px;padding:12px 17px;font-weight:800}button.secondary{background:transparent;color:var(--ice);border:1px solid #6696a7}button:disabled{cursor:wait;opacity:.6}.row{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}.status{min-height:20px;font-size:13px;padding-top:13px;color:var(--ice)}.error{color:#ffb8b8}.hidden{display:none!important}.tag{font-size:11px;text-transform:uppercase;letter-spacing:.16em;color:var(--ice);font-weight:800}.small{font-size:13px;color:var(--muted);line-height:1.6}.notice{padding:15px;border-radius:8px;border:1px solid #375e70;background:#0a2536}.code{font-family:ui-monospace,monospace;font-size:20px;letter-spacing:.1em;overflow-wrap:anywhere;color:#b2f5ff}.item{border-top:1px solid #33586a;padding:13px 0}.item:last-child{padding-bottom:0}select{font:inherit;border-radius:6px;background:#071c2b;color:var(--text);border:1px solid #477083;padding:8px}html[dir=rtl] .panel,html[dir=rtl] main{text-align:right}@media(max-width:620px){main{margin:30px auto}.grid{grid-template-columns:1fr}.panel{padding:21px}.wide{grid-column:1}header{padding:18px}}