:root{--bg: #f6f7f9;--card: #ffffff;--border: #e2e5ea;--accent: #e57cd8;--accent-fg: #1a1a1a;--text: #1f2430;--muted: #6b7280;--ok: #137333;--error: #b3261e;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}.app{max-width:880px;margin:0 auto;padding:24px 16px}header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}h1{font-size:22px;margin:0}h2{font-size:17px;margin:0 0 10px}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:18px;margin-bottom:16px}.btn{display:inline-block;background:var(--accent);color:var(--accent-fg);border:none;border-radius:8px;padding:9px 16px;font-weight:600;cursor:pointer;text-decoration:none}.btn:disabled{opacity:.5;cursor:not-allowed}.link{background:none;border:none;color:var(--muted);text-decoration:underline;cursor:pointer;padding:0}input{display:block;width:100%;padding:8px 10px;margin:6px 0 12px;border:1px solid var(--border);border-radius:8px;font-size:14px}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 16px}.form-grid label{font-size:13px;color:var(--muted)}table{width:100%;border-collapse:collapse;margin:12px 0;font-size:14px}th,td{text-align:left;padding:6px 8px;border-bottom:1px solid var(--border)}tfoot td{font-weight:600}.ok{color:var(--ok)}.error{color:var(--error)}