:root{color-scheme:light;--accent: #6c4cf1;--text: #1f2230;--muted: #5a6072}*{box-sizing:border-box}body{margin:0;min-height:100vh;display:grid;place-items:center;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--text);background:#f5f5f7;padding:16px}.card{background:#fff;padding:28px;border-radius:14px;box-shadow:0 8px 30px #00000014;width:min(380px,92vw)}h1{font-size:20px;margin:0 0 4px;display:flex;align-items:center;gap:8px;color:var(--text)}.logo{font-size:24px}p.sub{color:var(--muted);font-size:14px;margin:0 0 18px}label{display:block;font-size:13px;font-weight:600;margin:12px 0 4px;color:var(--text)}input{width:100%;padding:10px 12px;border:1px solid #d0d0d5;border-radius:8px;font-size:15px;background:#fff;color:var(--text)}input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px #6c4cf140}button{width:100%;margin-top:18px;padding:11px;border:0;border-radius:8px;background:var(--accent);color:#fff;font-size:15px;font-weight:600;cursor:pointer}button:disabled{opacity:.6;cursor:default}.msg{margin-top:14px;font-size:14px}.msg.error{color:#c0392b}.msg.ok{color:#2e7d32}