:root{--bg: #0f1226;--bg-2: #171a35;--card: #1d2142;--line: #2c2f57;--txt: #e9ebff;--txt-dim: #9aa0d0;--accent: #6c7bff;--accent-2: #00d4a7;--danger: #ff5d6c;--radius: 14px}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;background:var(--bg);color:var(--txt);font-family:Inter,system-ui,-apple-system,sans-serif;-webkit-font-smoothing:antialiased}body{background:radial-gradient(900px 500px at 80% -10%,rgba(108,123,255,.18),transparent),radial-gradient(700px 400px at -10% 110%,rgba(0,212,167,.12),transparent),var(--bg)}button{font-family:inherit;cursor:pointer;border:none;border-radius:10px;font-weight:600}input{font-family:inherit;background:var(--bg-2);border:1px solid var(--line);color:var(--txt);border-radius:10px;padding:13px 14px;font-size:15px;width:100%;outline:none}input:focus{border-color:var(--accent)}.btn{background:linear-gradient(135deg,var(--accent),#8a78ff);color:#fff;padding:13px 18px;font-size:15px;width:100%;transition:transform .08s ease,opacity .15s ease}.btn:active{transform:scale(.98)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-ghost{background:transparent;color:var(--txt-dim);border:1px solid var(--line);padding:11px 14px}.icon-btn{background:transparent;color:var(--txt-dim);padding:8px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center}.icon-btn:hover{background:var(--bg-2);color:var(--txt)}.error{color:var(--danger);font-size:13.5px}