:root{--bg:#07111f;--panel:#0e1c2f;--line:#20344d;--text:#edf6ff;--muted:#8da4bd;--cyan:#33d6ff;--cyan2:#1688ff;--danger:#ff6174}
        *{box-sizing:border-box}body{margin:0;min-height:100vh;display:grid;place-items:center;padding:24px;color:var(--text);font:15px/1.5 Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;background:radial-gradient(circle at 15% 15%,#0c3552 0,transparent 31%),radial-gradient(circle at 85% 80%,#112857 0,transparent 32%),var(--bg)}
        .login{width:min(100%,560px);padding:34px;border:1px solid rgba(85,154,207,.28);border-radius:24px;background:linear-gradient(160deg,rgba(17,38,62,.96),rgba(8,20,36,.98));box-shadow:0 30px 80px rgba(0,0,0,.4)}
        .brand{display:flex;align-items:center;justify-content:center;margin-bottom:26px}.mark{display:none}.brand-logo{display:block;width:360px;max-width:100%;height:96px;object-fit:contain}.brand-copy{display:none}
        h1{font-size:22px;margin:0 0 6px;text-align:center}.intro{margin:0 0 24px;color:var(--muted);text-align:center}
        label{display:block;margin:15px 0 7px;font-weight:750}input{width:100%;border:1px solid var(--line);border-radius:12px;padding:13px 14px;color:var(--text);background:#081526;outline:none;font:inherit}input:focus{border-color:var(--cyan);box-shadow:0 0 0 4px rgba(51,214,255,.12)}
        button{width:100%;margin-top:22px;border:0;border-radius:12px;padding:13px 16px;color:#03111c;background:linear-gradient(135deg,var(--cyan),#55ffa6);font:800 15px/1.2 Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;cursor:pointer;box-shadow:0 12px 28px rgba(51,214,255,.18)}button:hover{filter:brightness(1.07)}
        .alert{margin:0 0 18px;padding:11px 13px;border:1px solid rgba(255,97,116,.45);border-radius:11px;color:#ffd8de;background:rgba(255,97,116,.11)}
        .secure{margin-top:18px;color:var(--muted);font-size:12px;text-align:center}
        @media(max-width:520px){.brand{align-items:flex-start}.brand-logo{max-width:135px;height:62px}.brand-title{font-size:15px}.brand-meta>span:first-child{display:none}}