:root{color-scheme:dark;font-family:Segoe UI,sans-serif;--bg: #121212;--panel: #1d1d1d;--border: #2a2a2a;--text: #f3f3f3;--danger: #ff7b7b;--success: #8ae28f}html,body{margin:0;min-height:100%;background:var(--bg);color:var(--text)}a{color:inherit;text-decoration:none}button,input{font:inherit}.shell{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}.page{width:100%;max-width:420px}.card{background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:24px}.button{display:inline-flex;align-items:center;justify-content:center;padding:14px 16px;border-radius:10px;border:0;background:var(--text);color:#121212;font-weight:600;cursor:pointer}.button-full{width:100%}.button:disabled{opacity:.6;cursor:not-allowed}.form-card{width:100%}.form-grid{display:grid;gap:12px}.field{display:grid}.field input[type=text],.field input[type=password]{padding:14px 16px;border-radius:10px;border:1px solid var(--border);background:#181818;color:var(--text);outline:none}.field input:focus{border-color:#404040}.message{padding:12px 14px;border-radius:10px;border:1px solid var(--border);margin-bottom:12px}.message-error{background:#2a1717;color:var(--danger)}.message-success{background:#182418;color:var(--success)}.inline-code{padding:2px 6px;border-radius:6px;background:#181818;border:1px solid var(--border);font-family:Consolas,monospace}.simple-title{margin:0 0 16px;font-size:28px;font-weight:700}.actions{margin-top:16px}@media(max-width:480px){.card{padding:18px}}