:root{color-scheme:dark;--bg:#0b1018;--panel:#111925;--border:#2c3c51;--text:#e5edf7;--muted:#91a2b9;--accent:#6be3be;--red:#ff8c9b}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 50% 0,#19352f 0,#0b1018 42%);font-family:Inter,Segoe UI,Arial,sans-serif;color:var(--text);min-height:100vh;display:grid;place-items:center}.login-shell{width:min(100% - 32px,410px)}.login-card{background:rgba(17,25,37,.97);border:1px solid var(--border);border-radius:14px;padding:38px;box-shadow:0 25px 75px #0008}.brand-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:11px;background:var(--accent);color:#08251e;font-size:24px;font-weight:800}.eyebrow{margin:20px 0 8px;color:var(--accent);font-size:10px;letter-spacing:1.8px;font-weight:700}h1{margin:0;font-size:27px}.hint{color:var(--muted);font-size:13px;margin:10px 0 27px}form{display:grid;gap:16px}label{display:grid;gap:7px;color:var(--muted);font-size:12px}input{background:#0c1420;border:1px solid var(--border);border-radius:6px;color:var(--text);padding:12px;font:inherit}input:focus{outline:2px solid #6be3be88;border-color:var(--accent)}button{margin-top:6px;background:var(--accent);border:0;border-radius:6px;color:#062d22;padding:12px;font-weight:800;cursor:pointer}button:disabled{opacity:.55}#error{min-height:18px;margin:0;color:var(--red);font-size:12px}