:root {
  --primary: #1a3c6e;
  --primary-light: #2563eb;
  --secondary: #0f172a;
  --accent: #f59e0b;
  --success: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
  --info: #3b82f6;
  --bg: #f1f5f9;
  --card: #ffffff;
  --text: #1e293b;
  --muted: #64748b;
  --border: #e2e8f0;
  --sidebar-w: 260px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Segoe UI', system-ui, sans-serif; background: var(--bg); color: var(--text); min-height: 100vh; }
a { text-decoration: none; color: inherit; }

/* ===== LOGIN PAGE ===== */
.login-wrapper { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, #0f172a 0%, #1a3c6e 50%, #1d4ed8 100%); padding: 16px; }
.login-card { background: white; border-radius: 16px; padding: 48px 40px; width: 100%; max-width: 440px; box-shadow: 0 25px 50px rgba(0,0,0,0.3); }
.login-logo { text-align: center; margin-bottom: 32px; }
.login-logo img { height: 60px; }
.login-logo h1 { font-size: 22px; font-weight: 700; color: var(--primary); margin-top: 12px; }
.login-logo p { font-size: 13px; color: var(--muted); margin-top: 4px; }

/* ===== LAYOUT ===== */
.app-layout { display: flex; min-height: 100vh; }
.sidebar { width: var(--sidebar-w); background: var(--secondary); color: white; position: fixed; top: 0; left: 0; height: 100vh; overflow-y: auto; z-index: 100; transition: transform 0.3s; display: flex; flex-direction: column; }
.sidebar-brand { padding: 20px 20px 16px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.sidebar-brand h2 { font-size: 16px; font-weight: 700; color: white; }
.sidebar-brand p { font-size: 11px; color: rgba(255,255,255,0.5); margin-top: 2px; }
.sidebar-user { padding: 16px 20px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.sidebar-user .user-avatar { width: 40px; height: 40px; border-radius: 50%; background: var(--primary-light); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 16px; color: white; margin-bottom: 8px; }
.sidebar-user .user-name { font-size: 13px; font-weight: 600; color: white; }
.sidebar-user .user-role { font-size: 11px; color: rgba(255,255,255,0.5); margin-top: 2px; }
.sidebar-nav { flex: 1; padding: 12px 0; }
.nav-section { padding: 8px 20px 4px; font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; color: rgba(255,255,255,0.35); }
.nav-item { display: flex; align-items: center; gap: 10px; padding: 10px 20px; font-size: 13px; color: rgba(255,255,255,0.75); cursor: pointer; transition: all 0.2s; position: relative; }
.nav-item:hover, .nav-item.active { background: rgba(255,255,255,0.08); color: white; }
.nav-item.active::before { content: ''; position: absolute; left: 0; top: 0; height: 100%; width: 3px; background: var(--accent); border-radius: 0 2px 2px 0; }
.nav-item .icon { width: 18px; text-align: center; font-size: 14px; }
.nav-badge { margin-left: auto; background: var(--accent); color: white; border-radius: 10px; padding: 2px 7px; font-size: 10px; font-weight: 700; }
.sidebar-bottom { padding: 16px 20px; border-top: 1px solid rgba(255,255,255,0.1); }

.main-content { margin-left: var(--sidebar-w); flex: 1; min-height: 100vh; display: flex; flex-direction: column; }
.topbar { background: white; border-bottom: 1px solid var(--border); padding: 12px 28px; display: flex; align-items: center; justify-content: space-between; position: sticky; top: 0; z-index: 50; }
.topbar-title { font-size: 18px; font-weight: 700; color: var(--primary); }
.topbar-actions { display: flex; align-items: center; gap: 12px; }
.page-content { flex: 1; padding: 28px; }

/* ===== CARDS ===== */
.card { background: var(--card); border-radius: 12px; border: 1px solid var(--border); padding: 24px; margin-bottom: 20px; }
.card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.card-title { font-size: 16px; font-weight: 700; color: var(--primary); }
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card { background: white; border-radius: 12px; padding: 20px; border: 1px solid var(--border); display: flex; align-items: center; gap: 16px; }
.stat-icon { width: 48px; height: 48px; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 20px; flex-shrink: 0; }
.stat-icon.blue { background: #dbeafe; color: #1d4ed8; }
.stat-icon.green { background: #d1fae5; color: #059669; }
.stat-icon.orange { background: #fef3c7; color: #d97706; }
.stat-icon.red { background: #fee2e2; color: #dc2626; }
.stat-icon.purple { background: #ede9fe; color: #7c3aed; }
.stat-value { font-size: 28px; font-weight: 800; color: var(--primary); line-height: 1; }
.stat-label { font-size: 12px; color: var(--muted); margin-top: 4px; }

/* ===== FORMS ===== */
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-size: 13px; font-weight: 600; color: var(--text); margin-bottom: 6px; }
.form-label .required { color: var(--danger); }
.form-control { width: 100%; padding: 10px 14px; border: 1px solid var(--border); border-radius: 8px; font-size: 14px; color: var(--text); transition: border-color 0.2s; background: white; }
.form-control:focus { outline: none; border-color: var(--primary-light); box-shadow: 0 0 0 3px rgba(37,99,235,0.1); }
.form-select { width: 100%; padding: 10px 14px; border: 1px solid var(--border); border-radius: 8px; font-size: 14px; color: var(--text); background: white; cursor: pointer; }
.form-select:focus { outline: none; border-color: var(--primary-light); box-shadow: 0 0 0 3px rgba(37,99,235,0.1); }
textarea.form-control { resize: vertical; min-height: 90px; }
.form-row { display: grid; gap: 20px; }
.form-row-2 { grid-template-columns: 1fr 1fr; }
.form-row-3 { grid-template-columns: 1fr 1fr 1fr; }
.radio-group { display: flex; flex-wrap: wrap; gap: 12px; }
.radio-item { display: flex; align-items: center; gap: 6px; cursor: pointer; }
.radio-item input { width: 16px; height: 16px; cursor: pointer; accent-color: var(--primary-light); }
.radio-item label { font-size: 13px; cursor: pointer; }
.form-section { background: var(--bg); border-radius: 10px; padding: 20px; margin-bottom: 20px; border-left: 4px solid var(--primary-light); }
.form-section-title { font-size: 14px; font-weight: 700; color: var(--primary); margin-bottom: 16px; display: flex; align-items: center; gap: 8px; }
.form-hint { font-size: 12px; color: var(--muted); margin-top: 4px; }

/* ===== BUTTONS ===== */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 10px 20px; border-radius: 8px; font-size: 14px; font-weight: 600; border: none; cursor: pointer; transition: all 0.2s; white-space: nowrap; }
.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-lg { padding: 12px 28px; font-size: 15px; }
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: #1e4a8a; }
.btn-success { background: var(--success); color: white; }
.btn-success:hover { background: #059669; }
.btn-danger { background: var(--danger); color: white; }
.btn-danger:hover { background: #dc2626; }
.btn-warning { background: var(--warning); color: white; }
.btn-outline { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn-outline:hover { background: var(--bg); }
.btn-ghost { background: transparent; color: var(--muted); }
.btn-ghost:hover { background: var(--bg); color: var(--text); }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }
.btn-full { width: 100%; justify-content: center; }

/* ===== TABLES ===== */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
thead th { background: var(--bg); padding: 10px 14px; font-weight: 700; color: var(--primary); border-bottom: 2px solid var(--border); text-align: left; white-space: nowrap; }
tbody td { padding: 12px 14px; border-bottom: 1px solid var(--border); vertical-align: middle; }
tbody tr:hover { background: #f8fafc; }
tbody tr:last-child td { border-bottom: none; }

/* ===== BADGES ===== */
.badge { display: inline-flex; align-items: center; gap: 4px; padding: 3px 10px; border-radius: 999px; font-size: 11px; font-weight: 700; }
.badge-pending { background: #fef3c7; color: #92400e; }
.badge-approved { background: #d1fae5; color: #065f46; }
.badge-rejected { background: #fee2e2; color: #991b1b; }
.badge-info { background: #dbeafe; color: #1e40af; }
.badge-dept { background: #e0e7ff; color: #3730a3; }
.badge-hr { background: #fce7f3; color: #9d174d; }

/* ===== ALERTS ===== */
.alert { padding: 14px 16px; border-radius: 8px; font-size: 13px; margin-bottom: 16px; display: flex; align-items: flex-start; gap: 10px; }
.alert-success { background: #d1fae5; color: #065f46; border-left: 4px solid #10b981; }
.alert-danger { background: #fee2e2; color: #991b1b; border-left: 4px solid #ef4444; }
.alert-info { background: #dbeafe; color: #1e40af; border-left: 4px solid #3b82f6; }
.alert-warning { background: #fef3c7; color: #92400e; border-left: 4px solid #f59e0b; }

/* ===== TIMELINE ===== */
.timeline { padding: 0; list-style: none; }
.timeline-item { display: flex; gap: 16px; padding-bottom: 24px; position: relative; }
.timeline-item:not(:last-child)::before { content: ''; position: absolute; left: 19px; top: 40px; bottom: 0; width: 2px; background: var(--border); }
.timeline-icon { width: 40px; height: 40px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 16px; flex-shrink: 0; border: 2px solid; }
.timeline-icon.pending { background: #fef3c7; border-color: #f59e0b; color: #d97706; }
.timeline-icon.approved { background: #d1fae5; border-color: #10b981; color: #059669; }
.timeline-icon.rejected { background: #fee2e2; border-color: #ef4444; color: #dc2626; }
.timeline-icon.not_required { background: #f1f5f9; border-color: #cbd5e1; color: #94a3b8; }
.timeline-icon.cancelled { background: #f1f5f9; border-color: #cbd5e1; color: #94a3b8; }
.timeline-content { flex: 1; }
.timeline-title { font-size: 14px; font-weight: 700; color: var(--text); }
.timeline-sub { font-size: 12px; color: var(--muted); margin-top: 2px; }
.timeline-comment { font-size: 12px; color: var(--text); background: var(--bg); padding: 8px 10px; border-radius: 6px; margin-top: 8px; }

/* ===== MODALS ===== */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 200; display: flex; align-items: center; justify-content: center; padding: 16px; opacity: 0; pointer-events: none; transition: opacity 0.2s; }
.modal-overlay.show { opacity: 1; pointer-events: all; }
.modal { background: white; border-radius: 16px; width: 100%; max-width: 560px; max-height: 90vh; overflow-y: auto; transform: scale(0.95); transition: transform 0.2s; }
.modal-overlay.show .modal { transform: scale(1); }
.modal-header { padding: 20px 24px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
.modal-title { font-size: 16px; font-weight: 700; color: var(--primary); }
.modal-body { padding: 24px; }
.modal-footer { padding: 16px 24px; border-top: 1px solid var(--border); display: flex; gap: 10px; justify-content: flex-end; }

/* ===== NOTIFICATION BELL ===== */
.notif-bell { position: relative; cursor: pointer; padding: 8px; border-radius: 8px; }
.notif-bell:hover { background: var(--bg); }
.notif-badge { position: absolute; top: 4px; right: 4px; width: 18px; height: 18px; background: var(--danger); color: white; border-radius: 50%; font-size: 10px; font-weight: 700; display: flex; align-items: center; justify-content: center; }
.notif-dropdown { position: absolute; right: 0; top: calc(100% + 8px); width: 340px; background: white; border-radius: 12px; border: 1px solid var(--border); box-shadow: 0 10px 30px rgba(0,0,0,0.15); z-index: 100; }
.notif-item { padding: 12px 16px; border-bottom: 1px solid var(--border); cursor: pointer; transition: background 0.15s; }
.notif-item:hover { background: var(--bg); }
.notif-item.unread { background: #eff6ff; }
.notif-item:last-child { border-bottom: none; }
.notif-item-title { font-size: 13px; font-weight: 600; }
.notif-item-msg { font-size: 12px; color: var(--muted); margin-top: 2px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.notif-item-time { font-size: 11px; color: var(--muted); margin-top: 4px; }

/* ===== SEARCH & FILTERS ===== */
.filter-bar { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin-bottom: 20px; }
.search-input { flex: 1; min-width: 200px; position: relative; }
.search-input input { width: 100%; padding: 9px 14px 9px 38px; border: 1px solid var(--border); border-radius: 8px; font-size: 13px; }
.search-input::before { content: '🔍'; position: absolute; left: 12px; top: 50%; transform: translateY(-50%); font-size: 14px; }
.filter-select { padding: 9px 14px; border: 1px solid var(--border); border-radius: 8px; font-size: 13px; background: white; min-width: 140px; }

/* ===== RECRUITMENT TRACKER ===== */
.progress-bar-wrap { background: var(--border); border-radius: 999px; height: 8px; overflow: hidden; }
.progress-bar-fill { height: 100%; background: var(--success); border-radius: 999px; transition: width 0.4s; }

/* ===== EMPTY STATE ===== */
.empty-state { text-align: center; padding: 60px 20px; }
.empty-state-icon { font-size: 48px; margin-bottom: 16px; }
.empty-state h3 { font-size: 18px; font-weight: 700; color: var(--primary); margin-bottom: 8px; }
.empty-state p { color: var(--muted); font-size: 14px; }

/* ===== LOADING ===== */
.loader { display: inline-block; width: 20px; height: 20px; border: 2px solid rgba(255,255,255,0.3); border-top-color: white; border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.page-loader { display: flex; align-items: center; justify-content: center; height: 200px; }
.page-loader .spinner { width: 40px; height: 40px; border: 3px solid var(--border); border-top-color: var(--primary-light); border-radius: 50%; animation: spin 0.8s linear infinite; }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .form-row-2, .form-row-3 { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}

/* Utility classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--muted); font-size: 13px; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.flex-1 { flex: 1; }
.fw-bold { font-weight: 700; }
.hidden { display: none !important; }