:root{--bg-color: #f7f9fc;--bg-gradient: linear-gradient(135deg, #fdfbfb 0%, #ebedee 100%);--sidebar-bg: #ffffff;--sidebar-text: #4b5563;--sidebar-active-bg: #eff6ff;--sidebar-active-text: #2563eb;--primary: #2563eb;--primary-hover: #1d4ed8;--secondary: #64748b;--accent: #3b82f6;--card-bg: rgba(255, 255, 255, .7);--card-border: rgba(255, 255, 255, .5);--text-main: #1e293b;--text-muted: #64748b;--border-color: #e2e8f0;--input-bg: #ffffff;--success: #10b981;--danger: #ef4444;--warning: #f59e0b;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--shadow-glow: 0 0 20px rgba(37, 99, 235, .15);--border-radius-sm: 8px;--border-radius-md: 12px;--border-radius-lg: 16px;--border-radius-xl: 24px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,sans-serif;background:var(--bg-gradient);background-attachment:fixed;color:var(--text-main);line-height:1.5;-webkit-font-smoothing:antialiased}.app-container{display:grid;grid-template-columns:280px 1fr;min-height:100vh}.sidebar{background:var(--sidebar-bg);padding:32px 24px;box-shadow:1px 0 10px #00000008;z-index:10;display:flex;flex-direction:column}.sidebar-brand{font-size:28px;font-weight:800;color:var(--primary);margin-bottom:8px;letter-spacing:-.5px;display:flex;align-items:center;gap:12px}.sidebar-desc{font-size:13px;color:var(--text-muted);margin-bottom:40px}.nav-menu{display:flex;flex-direction:column;gap:8px}.nav-btn{text-align:left;padding:14px 18px;border-radius:var(--border-radius-md);border:none;background:transparent;color:var(--sidebar-text);font-weight:600;font-size:15px;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;gap:12px}.nav-btn:hover{background:#f8fafc;color:var(--text-main)}.nav-btn.active{background:var(--sidebar-active-bg);color:var(--sidebar-active-text)}.main-content{padding:40px;overflow-y:auto;position:relative}.header{margin-bottom:40px;animation:fadeInDown .5s ease}.header h1{font-size:32px;font-weight:800;letter-spacing:-.5px;margin-bottom:8px}.header p{color:var(--text-muted);font-size:16px}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px;margin-bottom:40px}.stat-card{background:var(--card-bg);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid var(--card-border);border-radius:var(--border-radius-lg);padding:24px;box-shadow:var(--shadow-sm);transition:transform .3s ease,box-shadow .3s ease;position:relative;overflow:hidden;animation:fadeInUp .5s ease backwards}.stat-card[style*=--delay]{animation-delay:var(--delay)}.stat-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg),var(--shadow-glow)}.stat-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--primary),var(--accent))}.stat-label{color:var(--secondary);font-size:14px;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.stat-value{color:var(--text-main);font-size:42px;font-weight:800;margin-top:12px;line-height:1}.section-card{background:var(--card-bg);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--card-border);border-radius:var(--border-radius-xl);padding:32px;box-shadow:var(--shadow-md);margin-bottom:32px;animation:fadeIn .6s ease}.title-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.section-card h2{font-size:22px;font-weight:700;color:var(--text-main)}.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px;margin-bottom:16px}.input-group{display:flex;flex-direction:column;gap:6px}.input-group label{font-size:13px;font-weight:600;color:var(--text-muted)}.form-input{width:100%;padding:12px 16px;border:1px solid var(--border-color);border-radius:var(--border-radius-sm);background:var(--input-bg);color:var(--text-main);font-size:15px;transition:all .2s ease;outline:none}.form-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #2563eb1a}textarea.form-input{resize:vertical;min-height:100px}.btn{padding:12px 24px;border-radius:var(--border-radius-sm);border:none;font-weight:600;font-size:15px;cursor:pointer;transition:all .2s ease;display:inline-flex;align-items:center;justify-content:center;gap:8px}.btn:active{transform:scale(.98)}.btn:disabled{opacity:.7;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 14px #2563eb63}.btn-primary:hover:not(:disabled){background:var(--primary-hover);box-shadow:0 6px 20px #2563eb3b}.btn-outline{background:transparent;border:1px solid var(--border-color);color:var(--text-main)}.btn-outline:hover{background:#f1f5f9}.btn-sm{padding:6px 12px;font-size:13px;border-radius:6px}.btn-approve{background:#ecfdf5;color:#059669;border:1px solid #10b981}.btn-approve:hover{background:#d1fae5}.btn-reject{background:#fef2f2;color:#dc2626;border:1px solid #ef4444}.btn-reject:hover{background:#fee2e2}.badge{display:inline-block;padding:4px 10px;border-radius:100px;font-size:12px;font-weight:600}.badge-active,.badge-completed,.badge-approved{background:#d1fae5;color:#022c22}.badge-pending{background:#fef3c7;color:#78350f}.badge-rejected,.badge-terminated{background:#fee2e2;color:#450a0a}.badge-on-leave{background:#e0e7ff;color:#3730a3}.badge-default{background:#f1f5f9;color:#475569}.table-wrapper{overflow-x:auto;margin-top:16px;border-radius:var(--border-radius-md);border:1px solid var(--border-color);background:var(--card-bg)}.data-table{width:100%;border-collapse:collapse;text-align:left}.data-table th{padding:16px;font-size:13px;font-weight:600;color:var(--secondary);text-transform:uppercase;letter-spacing:.5px;background:#f8fafc;border-bottom:2px solid var(--border-color);white-space:nowrap}.data-table td{padding:16px;font-size:14px;border-bottom:1px solid var(--border-color);color:var(--text-main);white-space:nowrap}.data-table tbody tr{transition:background .2s ease}.data-table tbody tr:hover{background:#f1f5f9}.empty-state{text-align:center;padding:60px 40px;color:var(--text-muted)}.search-container{position:relative;width:300px}.search-icon{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:#94a3b8;pointer-events:none}.search-input{padding:10px 16px 10px 40px;border:1px solid var(--border-color);border-radius:100px;font-size:14px;width:100%;background:#fff;transition:all .2s ease}.search-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #2563eb1a}.toast-container{position:fixed;bottom:24px;right:24px;z-index:1000;display:flex;flex-direction:column;gap:12px}.toast{background:#1e293b;color:#fff;padding:16px 24px;border-radius:var(--border-radius-sm);box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:12px;animation:slideInUp .3s cubic-bezier(.16,1,.3,1) forwards;font-size:14px;font-weight:500}.toast.success{border-left:4px solid var(--success)}.toast.error{border-left:4px solid var(--danger)}.loader{display:inline-block;width:20px;height:20px;border:3px solid rgba(255,255,255,.3);border-radius:50%;border-top-color:#fff;animation:spin 1s linear infinite}.loader-dark{border-color:#2563eb1a;border-top-color:var(--primary)}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#0f172a99;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;display:flex;align-items:center;justify-content:center;animation:fadeIn .3s ease forwards}.modal-content{background:var(--bg-color);border-radius:var(--border-radius-xl);width:100%;max-width:600px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg);position:relative;animation:fadeInUp .3s ease forwards}.modal-header{padding:24px 32px;border-bottom:1px solid var(--border-color);display:flex;justify-content:space-between;align-items:center}.modal-header h2{font-size:20px;font-weight:700;margin:0}.modal-close{background:transparent;border:none;cursor:pointer;color:var(--text-muted);transition:color .2s;display:flex;align-items:center;justify-content:center}.modal-close:hover{color:var(--danger)}.modal-body{padding:32px}.calendar-timeline-container{margin-top:24px;background:#fff;border:1px solid var(--border-color);border-radius:var(--border-radius-lg);overflow:hidden;box-shadow:var(--shadow-sm)}.calendar-timeline-header{display:flex;background:#f8fafc;border-bottom:1px solid var(--border-color);align-items:center}.calendar-timeline-employee-col{width:180px;min-width:180px;padding:12px 16px;font-weight:700;color:var(--text-main);border-right:1px solid var(--border-color);background:#f1f5f9}.calendar-timeline-days{display:flex;flex:1}.calendar-timeline-day-cell{flex:1;text-align:center;padding:12px 0;font-size:11px;font-weight:600;color:var(--secondary);border-right:1px solid var(--border-color);min-width:25px}.calendar-timeline-day-cell:last-child{border-right:none}.calendar-timeline-day-cell.weekend{background:#f8fafc;color:#94a3b8}.calendar-timeline-day-cell.today{background:#eff6ff;color:var(--primary);position:relative}.calendar-timeline-day-cell.today:after{content:"";position:absolute;bottom:0;left:25%;right:25%;height:3px;background:var(--primary);border-radius:3px 3px 0 0}.calendar-timeline-body{max-height:400px;overflow-y:auto}.calendar-timeline-row{display:flex;border-bottom:1px solid var(--border-color);min-height:48px}.calendar-timeline-row:last-child{border-bottom:none}.calendar-timeline-employee-info{width:180px;min-width:180px;padding:8px 16px;border-right:1px solid var(--border-color);background:#fdfdfd;display:flex;flex-direction:column;justify-content:center}.calendar-timeline-name{font-size:13px;font-weight:600;color:var(--text-main);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.calendar-timeline-dept{font-size:10px;color:var(--text-muted);text-transform:uppercase}.calendar-timeline-grid{display:flex;flex:1;position:relative;background-image:linear-gradient(to right,var(--border-color) 1px,transparent 1px);background-size:calc(100% / var(--days-in-month)) 100%}.calendar-timeline-event{position:absolute;height:28px;top:10px;border-radius:6px;background:var(--primary);color:#fff;display:flex;align-items:center;padding:0 8px;font-size:10px;font-weight:700;z-index:1;box-shadow:0 2px 4px #0000001a;overflow:hidden;white-space:nowrap}.calendar-timeline-event.vacation{background:#3b82f6}.calendar-timeline-event.sick{background:#ec4899}.calendar-timeline-event.emergency{background:#ef4444}.calendar-timeline-event.unpaid{background:#94a3b8}.calendar-timeline-event.pending{opacity:.6;border:1px dashed rgba(255,255,255,.8);background-image:repeating-linear-gradient(45deg,transparent,transparent 10px,rgba(255,255,255,.1) 10px,rgba(255,255,255,.1) 20px)}.calendar-legend{display:flex;flex-wrap:wrap;gap:16px;margin-top:16px;padding:8px;background:#f8fafc;border-radius:var(--border-radius-md)}.legend-item{display:flex;align-items:center;gap:8px;font-size:12px;font-weight:600;color:var(--text-muted)}.legend-color{width:14px;height:14px;border-radius:4px}.modal-content.wide{max-width:1100px}