:root{--bg:#f6f7f9;--surface:#ffffff;--border:#e2e5ea;--text:#1c2024;--muted:#6b7280;--primary:#2563eb;--primary-hover:#1d4ed8;--danger:#b42318;--ok:#067647;--radius:8px}*{box-sizing:border-box}body,html{margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.5}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}h1{font-size:20px;margin:0 0 16px}h2{font-size:16px;margin:0 0 12px}.shell{display:flex;min-height:100vh}.sidebar{width:220px;background:var(--surface);border-right:1px solid var(--border);padding:20px 16px;display:flex;flex-direction:column;gap:4px}.sidebar .brand{font-weight:700;font-size:16px;margin-bottom:16px}.sidebar nav a{display:block;padding:8px 10px;border-radius:6px;color:var(--text)}.sidebar nav a:hover{background:var(--bg);text-decoration:none}.main,.sidebar .spacer{flex:1 1}.main{padding:28px 32px;max-width:1100px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:20px}table{width:100%;border-collapse:collapse}td,th{text-align:left;padding:8px 10px;border-bottom:1px solid var(--border);vertical-align:top}th{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}label{display:block;font-weight:600;margin-bottom:4px;font-size:13px}.field{margin-bottom:14px}input,select,textarea{width:100%;padding:8px 10px;border:1px solid var(--border);border-radius:6px;font:inherit;background:var(--surface)}textarea{min-height:64px;resize:vertical}.row{display:flex;gap:12px;align-items:flex-end;flex-wrap:wrap}.btn,button{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border:1px solid var(--border);border-radius:6px;background:var(--surface);color:var(--text);font:inherit;cursor:pointer}.btn:hover,button:hover{background:var(--bg);text-decoration:none}.btn.primary,button.primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn.primary:hover,button.primary:hover{background:var(--primary-hover)}button:disabled{opacity:.6;cursor:not-allowed}.muted{color:var(--muted)}.error{color:var(--danger);font-size:13px;margin:8px 0}.tag{display:inline-block;padding:1px 8px;border-radius:999px;font-size:12px;border:1px solid var(--border);background:var(--bg)}.tag.ok{color:var(--ok);border-color:#b7e4c7;background:#ecfdf3}.toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.login-wrap{min-height:100vh;display:grid;place-items:center;padding:20px}.login-card{width:340px}