:root{--bg: #0f172a;--surface: #ffffff;--text: #0f172a;--muted: #64748b;--border: #e2e8f0;--primary: #2563eb;--primary-soft: #dbeafe;--danger: #dc2626;--success: #16a34a;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}*{box-sizing:border-box}body{margin:0;background:#f1f5f9;color:var(--text)}.center{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}.page{min-height:100vh}.topbar{display:flex;align-items:center;justify-content:space-between;padding:14px 22px;background:var(--bg);color:#e2e8f0}.topbar-right{display:flex;align-items:center;gap:16px}.brand{font-size:13px;font-weight:700;letter-spacing:.8px;text-transform:uppercase;color:#93a0be}.card{background:var(--surface);width:100%;max-width:460px;border:1px solid var(--border);border-radius:16px;padding:28px;box-shadow:0 10px 30px #0f172a14;display:flex;flex-direction:column;gap:16px}.card h1{font-size:20px;margin:0 0 4px}label{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:600;color:#334155}label.checkbox{flex-direction:row;align-items:center;gap:10px;font-weight:500}input,textarea{font:inherit;padding:11px 13px;border:1px solid var(--border);border-radius:10px;background:#f8fafc;color:var(--text)}input:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px var(--primary-soft);background:#fff}label.checkbox input{width:auto}button{font:inherit;font-weight:700;padding:12px 16px;border:none;border-radius:10px;background:var(--primary);color:#fff;cursor:pointer}button:disabled{opacity:.6;cursor:default}button.link{background:none;color:#cbd5e1;padding:4px 6px;font-weight:600}.muted{color:var(--muted)}.error{color:var(--danger);font-size:14px;margin:0}.success{color:var(--success);font-size:14px;margin:0}