:root{--accent: #435ca7;--accent-dark: #35467f;--bg: #f4f6fb;--card: #ffffff;--text: #1e2433;--muted: #6b7280;--error: #b42318;--ok: #157347;--border: #e2e6f0;--radius: 12px}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,sans-serif;background:var(--bg);color:var(--text)}.mk-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}.mk-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:28px;width:100%;max-width:440px;box-shadow:0 8px 28px #435ca71f}.mk-card.wide{max-width:720px}.mk-title{margin:0 0 4px;font-size:1.5rem}.mk-sub{margin:0 0 20px;color:var(--muted)}.mk-field{display:block;margin-bottom:14px}.mk-field span{display:block;font-size:.85rem;margin-bottom:6px}.mk-input{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;font-size:1rem}.mk-btn{width:100%;padding:11px 12px;border:0;border-radius:8px;background:var(--accent);color:#fff;font-size:1rem;cursor:pointer}.mk-btn:hover{background:var(--accent-dark)}.mk-btn:disabled{opacity:.6;cursor:default}.mk-error{background:#fdecea;color:var(--error);border-radius:8px;padding:10px 12px;margin-bottom:14px}.mk-ok{background:#e6f4ec;color:var(--ok);border-radius:8px;padding:10px 12px;margin-bottom:14px}.mk-badge{display:inline-block;padding:2px 10px;border-radius:999px;font-size:.8rem;background:#eef1f9;color:var(--accent-dark)}@media (max-width: 480px){.mk-page{padding:12px;align-items:flex-start}.mk-card{padding:20px 16px}.mk-card.wide{max-width:100%}.mk-title{font-size:1.25rem}.mk-input,.mk-btn{font-size:16px}}