:root {
  --bg: #f5f6f8;
  --card: #fff;
  --primary: #1a365d;
  --primary-hover: #2c5282;
  --accent: #2b6cb0;
  --text: #2d3748;
  --text-muted: #718096;
  --border: #e2e8f0;
  --success: #276749;
  --error: #c53030;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,.08);
}
* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; font-size: 15px; line-height: 1.5; color: var(--text); background: var(--bg); min-height: 100vh; }
.manager-wrap { max-width: 920px; margin: 0 auto; padding: 24px 20px; }
.manager-header { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px 20px; margin-bottom: 24px; display: flex; flex-wrap: wrap; align-items: center; gap: 8px 20px; }
.manager-header h1 { margin: 0; font-size: 1.1rem; font-weight: 600; color: var(--primary); }
.manager-nav { display: flex; gap: 4px 16px; margin-left: auto; flex-wrap: wrap; }
.manager-nav a { color: var(--accent); text-decoration: none; font-size: 0.95rem; padding: 6px 10px; border-radius: 6px; }
.manager-nav a:hover { background: var(--bg); color: var(--primary); }
.manager-nav a.active { background: var(--primary); color: #fff; }
.manager-nav a.nav-logout { color: var(--text-muted); margin-left: 8px; border-left: 1px solid var(--border); padding-left: 16px; }

/* Dropdown nav */
.nav-dropdown { position: relative; display: inline-flex; align-items: center; }
.nav-dropdown-toggle { color: var(--accent); text-decoration: none; font-size: 0.95rem; padding: 6px 10px; border-radius: 6px; cursor: pointer; display: inline-flex; align-items: center; gap: 4px; }
.nav-dropdown-toggle:hover { background: var(--bg); color: var(--primary); }
.nav-dropdown-toggle.active { background: var(--primary); color: #fff; }
.nav-arrow { font-size: 0.75rem; }
.nav-dropdown-menu { display: none; position: absolute; top: 100%; left: 0; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: 0 4px 16px rgba(0,0,0,.12); min-width: 180px; z-index: 100; padding: 4px 0; margin-top: 2px; }
.nav-dropdown-menu a { display: block; padding: 8px 16px; color: var(--text); text-decoration: none; font-size: 0.93rem; white-space: nowrap; }
.nav-dropdown-menu a:hover { background: var(--bg); color: var(--primary); }
.nav-dropdown-menu a.active { background: var(--primary); color: #fff; }
.nav-dropdown:hover .nav-dropdown-menu { display: block; }
.manager-card { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 24px; margin-bottom: 20px; }
.manager-card h1, .manager-card h2 { margin: 0 0 16px; font-size: 1.25rem; font-weight: 600; color: var(--primary); }
.manager-form label { display: block; margin-top: 12px; margin-bottom: 4px; font-size: 0.9rem; font-weight: 500; }
.manager-form input, .manager-form select, .manager-form textarea { width: 100%; padding: 10px 12px; font-size: 15px; border: 1px solid var(--border); border-radius: 6px; background: #fff; }
.manager-form textarea { resize: vertical; min-height: 80px; }
.manager-form button[type="submit"] { margin-top: 20px; padding: 12px 24px; font-size: 15px; font-weight: 500; color: #fff; background: var(--primary); border: none; border-radius: 6px; cursor: pointer; }
.manager-form button[type="submit"]:hover { background: var(--primary-hover); }
.manager-msg { padding: 12px 16px; border-radius: 6px; margin-bottom: 16px; }
.manager-msg.error { background: #fed7d7; color: var(--error); }
.manager-msg.success { background: #c6f6d5; color: var(--success); }
.manager-table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
.manager-table th, .manager-table td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--border); }
.manager-table th { font-weight: 600; color: var(--text-muted); font-size: 0.85rem; }
.manager-table tbody tr.vacancy-past { opacity: 0.55; }
.manager-table .badge { display: inline-block; padding: 2px 8px; font-size: 0.8rem; font-weight: 500; border-radius: 4px; background: var(--primary); color: #fff; }
.badge-draft { font-size: 0.8rem; color: var(--text-muted); margin-left: 4px; }
.manager-login { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; }
.manager-login .manager-card { max-width: 400px; width: 100%; }
.manager-login h1 { text-align: center; margin-bottom: 8px; }
.manager-login .hint { text-align: center; color: var(--text-muted); font-size: 0.9rem; margin-bottom: 20px; }
.manager-login .manager-form button { width: 100%; margin-top: 16px; }
.manager-login .back-link { display: block; text-align: center; margin-top: 16px; color: var(--accent); text-decoration: none; font-size: 0.9rem; }
.manager-login-divider { border: none; border-top: 1px solid var(--border, #e0e0e0); margin: 24px 0 16px; }