:root{--primary-color: #4A90E2;--primary-dark: #357ABD;--primary-light: #6BA3E9;--primary-lighter: #E8F2FC;--secondary-color: #7B8A9B;--success-color: #52C41A;--warning-color: #FAAD14;--danger-color: #F5222D;--info-color: #1890FF;--background: #F5F7FA;--surface: #FFFFFF;--text-primary: #2C3E50;--text-secondary: #606F7B;--border-color: #E1E8ED;--shadow-sm: 0 2px 4px rgba(0,0,0,.05);--shadow-md: 0 4px 8px rgba(0,0,0,.08);--shadow-lg: 0 8px 16px rgba(0,0,0,.1);--radius: 8px;--radius-sm: 4px;--radius-lg: 12px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--background);color:var(--text-primary);line-height:1.6}.container{width:100%;padding:0 20px;box-sizing:border-box}.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 20px;font-size:14px;font-weight:500;border-radius:var(--radius-sm);border:none;cursor:pointer;transition:all .3s ease;gap:8px;text-decoration:none}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background-color:var(--primary-color);color:#fff}.btn-primary:hover:not(:disabled){background-color:var(--primary-dark);transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn-secondary{background-color:var(--surface);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover:not(:disabled){background-color:var(--background);border-color:var(--primary-color);color:var(--primary-color)}.btn-danger{background-color:var(--danger-color);color:#fff}.btn-danger:hover:not(:disabled){background-color:#cf1322;transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn-sm{padding:6px 12px;font-size:13px}.btn-lg{padding:12px 28px;font-size:16px}.btn-icon{padding:8px;width:36px;height:36px}.card{background-color:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:24px;transition:box-shadow .3s ease}.card:hover{box-shadow:var(--shadow-md)}.card-header{padding-bottom:16px;margin-bottom:16px;border-bottom:1px solid var(--border-color)}.card-title{font-size:18px;font-weight:600;color:var(--text-primary);margin:0}.form-group{margin-bottom:20px}.form-label{display:block;margin-bottom:6px;font-size:14px;font-weight:500;color:var(--text-primary)}.form-control{width:100%;padding:10px 12px;font-size:14px;border:1px solid var(--border-color);border-radius:var(--radius-sm);background-color:var(--surface);transition:all .3s ease}.form-control:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #4a90e21a}.form-control:disabled{background-color:var(--background);cursor:not-allowed}.form-select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg 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tr.row-unread:hover{background-color:#d4e4fc}.badge{display:inline-flex;align-items:center;padding:4px 8px;font-size:12px;font-weight:600;border-radius:var(--radius-sm);text-transform:uppercase}.badge-primary{background-color:var(--primary-lighter);color:var(--primary-dark)}.badge-success{background-color:#f6ffed;color:#389e0d}.badge-warning{background-color:#fffbe6;color:#d48806}.badge-danger{background-color:#fff1f0;color:#cf1322}.badge-info{background-color:#e6f7ff;color:#0050b3}.alert{padding:12px 16px;border-radius:var(--radius-sm);margin-bottom:16px;display:flex;align-items:center;gap:12px}.alert-info{background-color:#e6f7ff;color:#0050b3;border:1px solid #91D5FF}.alert-success{background-color:#f6ffed;color:#389e0d;border:1px solid #B7EB8F}.alert-warning{background-color:#fffbe6;color:#d48806;border:1px solid #FFE58F}.alert-danger{background-color:#fff1f0;color:#cf1322;border:1px solid #FFCCC7}.modal-overlay{position:fixed;inset:0;background-color:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .2s ease}.modal{background-color:var(--surface);border-radius:var(--radius-lg);max-width:600px;width:90%;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg);animation:slideUp .3s ease}.modal-header{padding:24px;border-bottom:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between}.modal-title{font-size:20px;font-weight:600;color:var(--text-primary);margin:0}.modal-body{padding:24px}.modal-footer{padding:16px 24px;border-top:1px solid var(--border-color);display:flex;justify-content:flex-end;gap:12px}.spinner{display:inline-block;width:20px;height:20px;border:3px solid var(--border-color);border-top-color:var(--primary-color);border-radius:50%;animation:spin .8s linear infinite}.spinner-lg{width:40px;height:40px;border-width:4px}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}@keyframes spin{to{transform:rotate(360deg)}}.text-center{text-align:center}.text-right{text-align:right}.text-muted{color:var(--text-secondary)}.text-small{font-size:13px}.text-large{font-size:18px}.mt-1{margin-top:8px}.mt-2{margin-top:16px}.mt-3{margin-top:24px}.mb-1{margin-bottom:8px}.mb-2{margin-bottom:16px}.mb-3{margin-bottom:24px}.my-1{margin-top:8px;margin-bottom:8px}.my-2{margin-top:16px;margin-bottom:16px}.my-3{margin-top:24px;margin-bottom:24px}.p-1{padding:8px}.p-2{padding:16px}.p-3{padding:24px}.flex{display:flex}.flex-column{flex-direction:column}.align-center{align-items:center}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.justify-end{justify-content:flex-end}.gap-1{gap:8px}.gap-2{gap:16px}.gap-3{gap:24px}.flex-1{flex:1}.flex-wrap{flex-wrap:wrap}.grid{display:grid;gap:20px}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}.sidebar-overlay{display:none;position:fixed;inset:0;background:#00000080;z-index:99}.table-responsive{overflow-x:auto;-webkit-overflow-scrolling:touch}.responsive-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}.stack-mobile{display:flex;gap:12px}.show-mobile{display:none}.main-content{max-width:100%}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.hamburger-btn{display:none}@media (max-width: 768px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.container{padding:0 16px}.navbar{padding:10px 12px}.page-header{flex-direction:column;align-items:flex-start;gap:12px}.page-header .flex.gap-2{width:100%;flex-wrap:wrap}.page-header .flex.gap-2 .btn{flex:1;min-width:0;font-size:13px;padding:8px 12px}.user-info-desktop{display:none}.search-box{min-width:0!important;flex:1!important}.filter-bar{padding:12px}.filter-row{flex-direction:column}.filter-group{min-width:0;width:100%}.card{padding:16px}.form-section{padding:16px;margin-bottom:16px}.form-row{grid-template-columns:1fr!important}.notification-dropdown{right:-50px;width:290px}.modal{width:98%;margin:10px}.modal-header,.modal-body{padding:16px}h1{font-size:22px!important}.dashboard-stats{grid-template-columns:1fr 1fr!important}.stat-card{padding:12px}.stat-value{font-size:22px}.action-buttons{flex-wrap:nowrap}.table th,.table td{padding:8px 10px;font-size:13px}.hide-mobile{display:none!important}.show-mobile{display:block}.stack-mobile{flex-direction:column;align-items:stretch}input,select,textarea{font-size:16px;min-height:44px}textarea{min-height:88px}.table{font-size:12px;display:block;overflow-x:auto;max-width:100%;-webkit-overflow-scrolling:touch}.table th,.table td{padding:6px 8px;white-space:nowrap}.table .badge{font-size:10px;padding:2px 6px}}.sidebar{position:fixed;left:0;top:0;bottom:0;width:260px;background-color:var(--surface);border-right:1px solid var(--border-color);overflow-y:auto;z-index:100}.main-content{margin-left:260px;min-height:100vh;min-height:100dvh;padding:20px;width:calc(100vw - 260px);box-sizing:border-box}.navbar{background-color:var(--surface);border-bottom:1px solid var(--border-color);padding:16px 24px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:50}@media (max-width: 1024px){.sidebar{transform:translate(-100%);transition:transform .3s ease}.sidebar.open{transform:translate(0)}.main-content{margin-left:0;width:100%;padding:12px;overflow-x:hidden}.sidebar-overlay.visible{display:block}.hamburger-btn{display:flex!important}}@media (max-width: 480px){.main-content{padding:8px}.dashboard-stats{grid-template-columns:1fr!important}.flex.gap-2{gap:8px}.flex.gap-3{gap:12px}.btn{padding:8px 12px;font-size:13px}.btn-sm{padding:4px 8px;font-size:12px}}.app{min-height:100vh;display:flex}.app-header{background:linear-gradient(135deg,var(--primary-color) 0%,var(--primary-light) 100%);color:#fff;padding:20px 0;box-shadow:var(--shadow-md)}.app-title{font-size:24px;font-weight:700;margin:0}.dashboard-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px;margin-bottom:32px}.stat-card{background:var(--surface);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-sm);transition:all .3s ease;border-left:4px solid transparent}.stat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}.stat-card.primary{border-left-color:var(--primary-color)}.stat-card.success{border-left-color:var(--success-color)}.stat-card.warning{border-left-color:var(--warning-color)}.stat-card.danger{border-left-color:var(--danger-color)}.stat-value{font-size:32px;font-weight:700;color:var(--text-primary);margin:8px 0}.stat-label{font-size:14px;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px}.stat-icon{width:48px;height:48px;border-radius:var(--radius);display:flex;align-items:center;justify-content:center;float:right;opacity:.8}.stat-icon.primary{background-color:var(--primary-lighter);color:var(--primary-color)}.stat-icon.success{background-color:#f6ffed;color:var(--success-color)}.stat-icon.warning{background-color:#fffbe6;color:var(--warning-color)}.stat-icon.danger{background-color:#fff1f0;color:var(--danger-color)}.filter-bar{background-color:var(--surface);padding:16px;border-radius:var(--radius);margin-bottom:24px;box-shadow:var(--shadow-sm)}.filter-row{display:flex;gap:16px;flex-wrap:wrap;align-items:flex-end}.filter-group{flex:1;min-width:200px}.search-box{position:relative;flex:2;min-width:300px}.search-icon{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--text-secondary);pointer-events:none}.search-input{padding-left:40px}.notification-bell{position:relative;cursor:pointer}.notification-badge{position:absolute;top:-4px;right:-4px;background-color:var(--danger-color);color:#fff;font-size:10px;font-weight:700;padding:2px 6px;border-radius:10px;min-width:18px;text-align:center}.notification-dropdown{position:absolute;top:100%;right:0;margin-top:8px;background-color:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow-lg);width:320px;max-height:400px;overflow-y:auto;z-index:1000}.notification-item{padding:12px 16px;border-bottom:1px solid var(--border-color);cursor:pointer;transition:background-color .2s ease}.notification-item:hover{background-color:var(--background)}.notification-item.unread{background-color:var(--primary-lighter)}.notification-time{font-size:12px;color:var(--text-secondary);margin-top:4px}.empty-state{text-align:center;padding:48px 24px;color:var(--text-secondary)}.empty-state-icon{font-size:64px;color:var(--border-color);margin-bottom:16px}.empty-state-title{font-size:20px;font-weight:600;color:var(--text-primary);margin-bottom:8px}.empty-state-text{font-size:14px;margin-bottom:24px}.status-timeline{position:relative;padding-left:40px}.timeline-item{position:relative;padding-bottom:24px}.timeline-item:before{content:"";position:absolute;left:-31px;top:24px;bottom:0;width:2px;background-color:var(--border-color)}.timeline-item:last-child:before{display:none}.timeline-dot{position:absolute;left:-40px;top:4px;width:20px;height:20px;border-radius:50%;background-color:var(--surface);border:3px solid var(--primary-color)}.timeline-dot.completed{background-color:var(--success-color);border-color:var(--success-color)}.timeline-dot.current{background-color:var(--primary-color);border-color:var(--primary-color);box-shadow:0 0 0 4px #4a90e233}.timeline-content{background-color:var(--surface);padding:12px 16px;border-radius:var(--radius-sm);border:1px solid var(--border-color)}.timeline-title{font-weight:600;margin-bottom:4px}.timeline-date{font-size:13px;color:var(--text-secondary)}.action-buttons{display:flex;gap:8px;flex-wrap:wrap}.form-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px}.form-section{background-color:var(--surface);border-radius:var(--radius);padding:24px;margin-bottom:24px;box-shadow:var(--shadow-sm)}.form-section-title{font-size:18px;font-weight:600;margin-bottom:20px;padding-bottom:12px;border-bottom:2px solid var(--primary-lighter);color:var(--text-primary)}.required:after{content:"*";color:var(--danger-color);margin-left:4px}.help-text{font-size:13px;color:var(--text-secondary);margin-top:4px}.breadcrumb{display:flex;align-items:center;gap:8px;margin-bottom:24px;font-size:14px}.breadcrumb-item{color:var(--text-secondary);text-decoration:none;transition:color .2s ease}.breadcrumb-item:hover{color:var(--primary-color)}.breadcrumb-separator{color:var(--text-secondary)}.breadcrumb-item.active{color:var(--text-primary);font-weight:500}.user-avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--primary-color),var(--primary-light));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:16px}.user-menu{display:flex;align-items:center;gap:12px;cursor:pointer;padding:8px;border-radius:var(--radius-sm);transition:background-color .2s ease}.user-menu:hover{background-color:var(--background)}.team-badge{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;background-color:var(--primary-lighter);color:var(--primary-dark);border-radius:var(--radius-sm);font-size:13px;font-weight:500}.team-indicator{width:8px;height:8px;border-radius:50%;background-color:var(--primary-color)}