:root{color-scheme:dark;--bg:#0a0f17;--panel:#121d29;--line:#2b3949;--text:#e9f2f6;--muted:#9caabb;--accent:#9de5e4}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at 50% 12%,#182b37 0,#0a0f17 57%);color:var(--text);display:grid;place-items:center;font:14px/1.5 system-ui,-apple-system,"Segoe UI",Arial,sans-serif}.login-shell{padding:25px 17px 40px;width:min(100%,440px);text-align:center}.mark{display:grid;place-items:center;background:#214047;color:var(--accent);border:1px solid #416d70;font-size:28px;font-weight:800;width:55px;height:55px;border-radius:16px;margin:0 auto 22px}.eyebrow{font-size:11px;letter-spacing:2px;color:#80b9c0;font-weight:700}h1{margin:11px 0 5px;font-size:26px;font-weight:680;letter-spacing:-.6px}#subtitle{color:var(--muted);font-size:13px;margin:0 0 26px}.panel{text-align:left;background:var(--panel);border:1px solid var(--line);border-radius:15px;padding:27px 26px;box-shadow:0 20px 80px #0004}form[hidden]{display:none!important}form{display:grid;gap:9px}label{font-size:12px;color:#c3d0dd;font-weight:600;margin-top:9px}input{width:100%;background:#0d1721;color:var(--text);border:1px solid #364455;border-radius:9px;padding:12px 13px;outline:none}input:focus{border-color:var(--accent);box-shadow:0 0 0 2px #9de5e426}button{width:100%;border:0;border-radius:9px;background:var(--accent);color:#123139;padding:13px;font-weight:750;cursor:pointer;margin-top:18px}button:focus-visible{outline:2px solid white;outline-offset:3px}button:disabled{opacity:.5;cursor:progress}.notice{background:#263127;border:1px solid #5d7953;color:#d6edc0;border-radius:9px;padding:12px 13px;margin-bottom:5px;font-size:12px}.tip{font-size:11px;color:var(--muted)}#error{font-size:12px;color:#ff99a5;margin:12px 0 0;min-height:1px}#error:empty{margin:0}.footer{color:#7f92a2;font-size:11px;margin-top:22px}