*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--primary: #e63946;--primary-dark: #c1121f;--primary-light: #fde8ea;--secondary: #0f172a;--secondary-hover: #1e293b;--accent: #3b82f6;--success: #16a34a;--success-bg: #dcfce7;--warning: #d97706;--warning-bg: #fef3c7;--danger: #e63946;--danger-bg: #fde8ea;--info: #3b82f6;--info-bg: #dbeafe;--bg: #f1f5f9;--surface: #ffffff;--border: #e2e8f0;--border-light: #f1f5f9;--text: #0f172a;--text-muted: #64748b;--shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);--shadow-md: 0 4px 12px rgba(0,0,0,.1), 0 2px 6px rgba(0,0,0,.06);--shadow-lg: 0 10px 30px rgba(0,0,0,.12);--radius: 8px;--radius-lg: 12px;--sidebar-width: 248px}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Inter,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.5}a{color:inherit;text-decoration:none}button{cursor:pointer;border:none;font-family:inherit;font-size:inherit}input,textarea,select{font-family:inherit;font-size:inherit}.layout{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-width);background:var(--secondary);color:#fff;display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100;border-right:1px solid rgba(255,255,255,.05)}.sidebar-logo{padding:20px 18px;border-bottom:1px solid rgba(255,255,255,.08);display:flex;align-items:center;gap:10px}.sidebar-logo-icon{width:36px;height:36px;background:var(--primary);border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0;box-shadow:0 2px 8px #e6394666}.sidebar-logo h1{font-size:15px;font-weight:700;color:#fff;letter-spacing:-.2px}.sidebar-logo p{font-size:11px;color:#fff6;margin-top:1px}.sidebar-nav{flex:1;padding:10px 0;overflow-y:auto}.nav-section-label{padding:10px 18px 4px;font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.8px;color:#ffffff4d}.nav-item{display:flex;align-items:center;gap:10px;padding:9px 18px;color:#fff9;transition:all .15s;cursor:pointer;border-left:2px solid transparent;font-size:13.5px;font-weight:500;margin:1px 0}.nav-item:hover{background:#ffffff0f;color:#ffffffe6}.nav-item.active{background:#e6394626;color:#fff;border-left-color:var(--primary)}.nav-item .icon{width:20px;display:flex;align-items:center;justify-content:center;flex-shrink:0;opacity:.8}.nav-item.active .icon{opacity:1}.sidebar-footer{padding:14px 18px;border-top:1px solid rgba(255,255,255,.08)}.user-info{display:flex;align-items:center;gap:10px;margin-bottom:10px}.avatar{width:36px;height:36px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));border-radius:10px;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px;flex-shrink:0;box-shadow:0 2px 6px #e639464d}.user-info .name{font-size:13px;font-weight:600;color:#fff}.user-info .role{font-size:11px;color:#ffffff73}.logout-btn{width:100%;display:flex;align-items:center;justify-content:center;gap:6px;padding:7px 12px;background:#ffffff12;color:#ffffffa6;border-radius:var(--radius);font-size:13px;font-weight:500;transition:all .15s}.logout-btn:hover{background:#ffffff1f;color:#fff}.main-content{margin-left:var(--sidebar-width);flex:1;display:flex;flex-direction:column;min-height:100vh}.topbar{background:var(--surface);border-bottom:1px solid var(--border);padding:0 24px;height:58px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:50;box-shadow:0 1px 0 var(--border)}.topbar-title{font-size:17px;font-weight:600;color:var(--text)}.topbar-actions{display:flex;align-items:center;gap:8px}.notif-btn{position:relative;background:none;padding:7px;border-radius:9px;color:var(--text-muted);display:flex;align-items:center;justify-content:center;transition:all .15s}.notif-btn:hover{background:var(--bg);color:var(--text)}.notif-badge{position:absolute;top:2px;right:2px;background:var(--primary);color:#fff;font-size:9px;width:15px;height:15px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;border:2px solid white}.page{padding:24px;flex:1}.card{background:var(--surface);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:20px;border:1px solid var(--border)}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.card-title{font-size:15px;font-weight:600;color:var(--text)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;margin-bottom:20px}.stat-card{background:var(--surface);border-radius:var(--radius-lg);padding:18px 20px;box-shadow:var(--shadow);border:1px solid var(--border);display:flex;align-items:center;gap:14px}.stat-icon{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.stat-icon.blue{background:var(--info-bg);color:var(--info)}.stat-icon.green{background:var(--success-bg);color:var(--success)}.stat-icon.red{background:var(--danger-bg);color:var(--danger)}.stat-icon.yellow{background:var(--warning-bg);color:var(--warning)}.stat-value{font-size:26px;font-weight:700;line-height:1;color:var(--text)}.stat-label{font-size:12px;color:var(--text-muted);margin-top:3px;font-weight:500}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:var(--radius);font-weight:500;transition:all .15s;font-size:13.5px;line-height:1}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 1px 3px #e639464d}.btn-primary:hover{background:var(--primary-dark);box-shadow:0 2px 6px #e6394666}.btn-secondary{background:var(--surface);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{background:var(--bg);border-color:#c8d3e0}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{background:var(--primary-dark)}.btn-success{background:var(--success);color:#fff}.btn-sm{padding:5px 10px;font-size:12.5px}.btn-icon{padding:6px;border-radius:var(--radius)}.form-group{margin-bottom:14px}.form-label{display:block;font-weight:500;margin-bottom:5px;font-size:13px;color:var(--text)}.form-control{width:100%;padding:9px 12px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);color:var(--text);transition:border-color .15s,box-shadow .15s;outline:none}.form-control:focus{border-color:var(--accent);box-shadow:0 0 0 3px #3b82f61f}textarea.form-control{resize:vertical;min-height:80px}.table-wrapper{overflow-x:auto}table{width:100%;border-collapse:collapse}thead{background:var(--bg)}th{padding:10px 14px;text-align:left;font-size:11.5px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.6px;border-bottom:1px solid var(--border)}td{padding:12px 14px;border-bottom:1px solid var(--border-light);vertical-align:middle}tr:hover td{background:#fafbfc}tr:last-child td{border-bottom:none}.badge{display:inline-flex;align-items:center;padding:3px 9px;border-radius:20px;font-size:12px;font-weight:500;letter-spacing:.1px}.badge-new{background:#dbeafe;color:#1d4ed8}.badge-in_progress{background:#ffedd5;color:#c2410c}.badge-review{background:#f3e8ff;color:#7e22ce}.badge-done{background:var(--success-bg);color:var(--success)}.badge-cancelled{background:#f1f5f9;color:#64748b}.badge-low{background:#f1f5f9;color:#475569}.badge-medium{background:#dbeafe;color:#1d4ed8}.badge-high{background:#ffedd5;color:#c2410c}.badge-urgent{background:var(--danger-bg);color:var(--danger)}.badge-admin{background:#fce7f3;color:#be185d}.badge-manager{background:#e0e7ff;color:#3730a3}.badge-employee{background:var(--success-bg);color:var(--success)}.kanban{display:flex;gap:14px;overflow-x:auto;padding-bottom:8px}.kanban-col{min-width:260px;max-width:310px;flex:1;background:var(--bg);border-radius:var(--radius-lg);padding:12px;flex-shrink:0;border:1px solid var(--border)}.kanban-col-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;padding:0 2px}.kanban-col-title{font-weight:600;font-size:13px}.kanban-count{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:1px 8px;font-size:12px;color:var(--text-muted)}.kanban-cards{display:flex;flex-direction:column;gap:8px}.task-card{background:var(--surface);border-radius:var(--radius);padding:11px 13px;box-shadow:var(--shadow);cursor:grab;transition:box-shadow .15s,transform .1s;border:1px solid var(--border);border-left:3px solid transparent}.task-card:hover{box-shadow:var(--shadow-md);transform:translateY(-1px)}.task-card:active{cursor:grabbing}.task-card.priority-urgent{border-left-color:var(--danger)}.task-card.priority-high{border-left-color:#f97316}.task-card.priority-medium{border-left-color:var(--accent)}.task-card.priority-low{border-left-color:#94a3b8}.task-card-title{font-weight:600;font-size:13.5px;margin-bottom:8px;line-height:1.35;color:var(--text)}.task-card-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.task-card-footer{display:flex;align-items:center;justify-content:space-between;margin-top:10px}.task-card-assignee{font-size:12px;color:var(--text-muted);display:flex;align-items:center;gap:4px}.deadline{font-size:12px;font-weight:500}.deadline.overdue{color:var(--danger)}.deadline.soon{color:var(--warning)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a80;display:flex;align-items:center;justify-content:center;z-index:1000;padding:16px;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.modal{background:var(--surface);border-radius:var(--radius-lg);width:100%;max-width:600px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg);border:1px solid var(--border)}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;border-bottom:1px solid var(--border);position:sticky;top:0;background:var(--surface);z-index:1}.modal-title{font-size:16px;font-weight:600}.modal-close{background:none;color:var(--text-muted);padding:5px;border-radius:var(--radius);display:flex;align-items:center;justify-content:center;transition:all .15s}.modal-close:hover{background:var(--bg);color:var(--text)}.modal-body{padding:22px}.modal-footer{padding:14px 22px;border-top:1px solid var(--border);display:flex;gap:10px;justify-content:flex-end;background:var(--bg);border-radius:0 0 var(--radius-lg) var(--radius-lg)}.login-page{min-height:100vh;background:linear-gradient(135deg,#0f172a,#1e3a5f,#0f172a);display:flex;align-items:center;justify-content:center;padding:24px}.login-card{background:var(--surface);border-radius:16px;padding:40px;width:100%;max-width:400px;box-shadow:0 25px 60px #00000059;border:1px solid rgba(255,255,255,.1)}.login-logo{text-align:center;margin-bottom:28px}.login-logo-icon{width:56px;height:56px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));border-radius:14px;display:flex;align-items:center;justify-content:center;margin:0 auto 14px;box-shadow:0 4px 14px #e6394659}.login-logo h1{font-size:22px;font-weight:800;color:var(--text);margin-bottom:4px}.login-logo p{color:var(--text-muted);font-size:13px}.detail-grid{display:grid;grid-template-columns:1fr 300px;gap:18px}@media (max-width: 900px){.detail-grid{grid-template-columns:1fr}}.meta-list{display:flex;flex-direction:column;gap:10px}.meta-item{display:flex;gap:8px;align-items:flex-start}.meta-label{font-size:12px;color:var(--text-muted);min-width:100px;font-weight:500;padding-top:1px}.meta-value{font-size:13px;font-weight:500}.comment{display:flex;gap:10px;padding:12px 0;border-bottom:1px solid var(--border-light)}.comment:last-child{border-bottom:none}.comment-avatar{width:32px;height:32px;flex-shrink:0;background:var(--accent);border-radius:9px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:11px}.comment-body{flex:1}.comment-header{display:flex;align-items:baseline;gap:8px;margin-bottom:4px}.comment-author{font-weight:600;font-size:13px}.comment-time{font-size:11px;color:var(--text-muted)}.comment-text{font-size:13px;line-height:1.5;color:var(--text)}.notif-panel{position:absolute;top:52px;right:0;width:340px;background:var(--surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);border:1px solid var(--border);z-index:200;max-height:420px;overflow-y:auto}.notif-item{padding:12px 16px;border-bottom:1px solid var(--border-light);cursor:pointer;transition:background .1s}.notif-item:hover{background:var(--bg)}.notif-item.unread{background:#fef9f9;border-left:3px solid var(--primary)}.notif-item:last-child{border-bottom:none}.notif-msg{font-size:13px;line-height:1.4}.notif-time{font-size:11px;color:var(--text-muted);margin-top:3px}.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px;align-items:center}.filter-select{padding:7px 10px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);font-size:13px;color:var(--text);outline:none;transition:border-color .15s}.filter-select:focus{border-color:var(--accent)}.search-input{padding:7px 12px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);font-size:13px;outline:none;min-width:200px;transition:border-color .15s}.search-input:focus{border-color:var(--accent)}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.page-header h2{font-size:20px;font-weight:700;letter-spacing:-.3px}.empty{text-align:center;padding:48px 24px;color:var(--text-muted)}.empty-icon{display:flex;align-items:center;justify-content:center;margin-bottom:12px;opacity:.35}.empty p{font-size:15px}.loader{display:flex;align-items:center;justify-content:center;padding:48px}.spinner{width:34px;height:34px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.charts-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:18px;margin-top:18px}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#b0bec5}