:root{--s-bg:#f1f3f5;--s-surface:#ffffff;--s-border:#e2e6ea;--s-navy:#111827;--s-navy-mid:#1f2937;--s-navy-light:#374151;--s-text:#111827;--s-text2:#4b5563;--s-text3:#9ca3af;--s-blue:#2563eb;--s-blue-light:#dbeafe;--s-green:#10b981;--s-green-light:#ecfdf5;--s-amber:#f59e0b;--s-amber-light:#fffbeb;--s-red:#ef4444;--s-red-light:#fef2f2;--s-purple:#8b5cf6;--s-purple-light:#f5f3ff;--s-shadow:0 1px 3px rgba(0,0,0,.08);--s-shadow-md:0 4px 12px rgba(0,0,0,.08);--s-radius:10px;--s-radius-sm:6px;--s-sidebar:240px;--s-topbar:52px;--s-mobile-nav:60px;}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{-webkit-text-size-adjust:100%;}
body{font-family:'DM Sans',-apple-system,BlinkMacSystemFont,sans-serif;background:var(--s-bg);color:var(--s-text);min-height:100vh;-webkit-font-smoothing:antialiased;}
.staff-login{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--s-navy);padding:16px;}
.staff-login-box{width:100%;max-width:380px;background:var(--s-surface);border-radius:14px;padding:32px 24px;box-shadow:var(--s-shadow-md);}
.staff-login-title{font-size:20px;font-weight:700;color:var(--s-navy);margin-bottom:4px;}
.staff-login-sub{font-size:13px;color:var(--s-text3);margin-bottom:24px;}
.staff-app{min-height:100vh;display:flex;flex-direction:column;padding-bottom:var(--s-mobile-nav);}
.staff-sidebar{display:none;width:var(--s-sidebar);background:var(--s-navy);position:fixed;top:0;left:0;height:100vh;z-index:100;flex-direction:column;overflow-y:auto;}
.staff-sidebar-header{padding:20px 16px;border-bottom:1px solid rgba(255,255,255,.08);}
.staff-sidebar-brand{font-size:16px;font-weight:700;color:#fff;letter-spacing:-.3px;}
.staff-sidebar-brand span{color:#60a5fa;}
.staff-sidebar-user{margin-top:12px;padding:8px 10px;background:rgba(255,255,255,.06);border-radius:8px;}
.staff-sidebar-user-name{font-size:12px;font-weight:600;color:#fff;}
.staff-sidebar-user-role{font-size:10px;color:rgba(255,255,255,.45);margin-top:1px;}
.staff-sidebar nav{flex:1;padding:14px 10px;}
.staff-sidebar .s-nav-label{font-size:9px;font-weight:700;letter-spacing:.8px;text-transform:uppercase;color:rgba(255,255,255,.3);padding:12px 10px 6px;}
.s-nav-item{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:8px;font-size:13px;font-weight:500;color:rgba(255,255,255,.5);text-decoration:none;transition:all .15s;margin-bottom:1px;}
.s-nav-item:hover{background:rgba(255,255,255,.08);color:rgba(255,255,255,.85);}
.s-nav-item.active{background:rgba(37,99,235,.3);color:#fff;}
.s-nav-item .s-nav-icon{width:16px;height:16px;flex-shrink:0;opacity:.6;}
.s-nav-item.active .s-nav-icon{opacity:1;}
.s-nav-badge{margin-left:auto;background:var(--s-red);color:#fff;border-radius:10px;font-size:9px;font-weight:700;padding:1px 6px;min-width:16px;text-align:center;}
.staff-mobile-nav{position:fixed;bottom:0;left:0;right:0;height:var(--s-mobile-nav);background:var(--s-navy);display:flex;align-items:center;justify-content:space-around;z-index:100;border-top:1px solid rgba(255,255,255,.1);padding-bottom:env(safe-area-inset-bottom,0);}
.staff-mn-item{display:flex;flex-direction:column;align-items:center;gap:2px;padding:4px 8px;text-decoration:none;color:rgba(255,255,255,.4);font-size:9px;font-weight:600;position:relative;}
.staff-mn-item.active{color:#fff;}
.staff-mn-item .mn-icon{width:20px;height:20px;}
.staff-mn-badge{position:absolute;top:-2px;right:0;background:var(--s-red);color:#fff;border-radius:8px;font-size:8px;font-weight:700;padding:0 4px;min-width:12px;text-align:center;}
.staff-topbar{background:var(--s-surface);border-bottom:1px solid var(--s-border);padding:0 16px;height:var(--s-topbar);display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:50;}
.staff-topbar-title{font-size:15px;font-weight:700;color:var(--s-navy);}
.staff-topbar-actions{display:flex;gap:8px;align-items:center;}
.notif-wrap{position:relative;}
.notif-toggle{width:34px;height:34px;border-radius:9px;border:1px solid var(--s-border);background:var(--s-surface);color:var(--s-text2);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;position:relative;}
.notif-toggle svg{width:16px;height:16px;}
.notif-count{position:absolute;top:-5px;right:-5px;min-width:16px;height:16px;border-radius:8px;background:var(--s-red);color:#fff;font-size:9px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;padding:0 4px;}
.notif-dropdown{position:absolute;right:0;top:42px;width:320px;background:var(--s-surface);border:1px solid var(--s-border);border-radius:10px;box-shadow:var(--s-shadow-md);display:none;z-index:120;}
.notif-dropdown.open{display:block;}
.notif-head{padding:10px 12px;border-bottom:1px solid var(--s-border);display:flex;align-items:center;justify-content:space-between;font-size:12px;font-weight:700;}
.notif-head a{font-size:11px;text-decoration:none;color:var(--s-blue);}
.notif-list{max-height:340px;overflow:auto;}
.notif-item{padding:10px 12px;border-bottom:1px solid var(--s-border);}
.notif-item.unread{background:#f8fbff;}
.notif-item:last-child{border-bottom:none;}
.notif-title{font-size:12px;font-weight:700;color:var(--s-text);}
.notif-msg{font-size:11px;color:var(--s-text2);margin-top:2px;}
.notif-meta{margin-top:6px;display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:10px;color:var(--s-text3);}
.notif-meta a,.notif-mark-btn{font-size:10px;color:var(--s-blue);text-decoration:none;border:none;background:transparent;cursor:pointer;}
.notif-empty{padding:14px;text-align:center;font-size:12px;color:var(--s-text3);}
.staff-main{flex:1;display:flex;flex-direction:column;}
.staff-content{padding:12px;flex:1;}
.staff-form-group{margin-bottom:14px;}
.staff-form-label{display:block;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.4px;color:var(--s-text2);margin-bottom:5px;}
.staff-input{width:100%;padding:10px 12px;border:1.5px solid var(--s-border);border-radius:var(--s-radius-sm);font-family:inherit;font-size:14px;color:var(--s-text);background:var(--s-surface);outline:none;transition:border-color .2s;-webkit-appearance:none;}
.staff-input:focus{border-color:var(--s-blue);box-shadow:0 0 0 3px rgba(37,99,235,.1);}
.staff-textarea{resize:vertical;min-height:80px;}
.staff-select{width:100%;padding:10px 12px;border:1.5px solid var(--s-border);border-radius:var(--s-radius-sm);font-family:inherit;font-size:14px;color:var(--s-text);background:var(--s-surface);outline:none;-webkit-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='%239ca3af' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l4 4 4-4'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:32px;}
.staff-checkbox{accent-color:var(--s-blue);transform:scale(1.15);}
.staff-file-input{font-size:13px;}
.s-card{background:var(--s-surface);border:1px solid var(--s-border);border-radius:var(--s-radius);box-shadow:var(--s-shadow);}
.s-card-pad{padding:14px;}
.s-card-header{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:14px;flex-wrap:wrap;}
.s-card-title{font-size:14px;font-weight:700;color:var(--s-navy);}
.s-card-sub{font-size:11px;color:var(--s-text3);margin-top:1px;}
.s-list{display:flex;flex-direction:column;}
.s-list-item{padding:12px 0;border-bottom:1px solid var(--s-border);}
.s-list-item:last-child{border-bottom:none;}
.s-list-title{font-size:13px;font-weight:600;color:var(--s-navy);}
.s-list-sub{font-size:12px;color:var(--s-text2);}
.s-list-meta{font-size:11px;color:var(--s-text3);}
.s-stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin-bottom:14px;}
.s-stat-card{background:var(--s-surface);border:1px solid var(--s-border);border-radius:var(--s-radius);padding:14px;box-shadow:var(--s-shadow);}
.s-stat-label{font-size:9px;font-weight:700;letter-spacing:.5px;text-transform:uppercase;color:var(--s-text3);margin-bottom:4px;}
.s-stat-value{font-size:22px;font-weight:700;color:var(--s-navy);line-height:1;}
.s-stat-detail{font-size:10px;color:var(--s-text3);margin-top:3px;}
.s-btn{display:inline-flex;align-items:center;gap:5px;padding:7px 12px;border-radius:var(--s-radius-sm);font-size:12px;font-weight:600;cursor:pointer;border:none;font-family:inherit;transition:all .15s;text-decoration:none;white-space:nowrap;-webkit-appearance:none;}
.s-btn-primary{background:var(--s-navy);color:#fff;}
.s-btn-primary:hover{background:var(--s-navy-mid);}
.s-btn-blue{background:var(--s-blue);color:#fff;}
.s-btn-blue:hover{opacity:.9;}
.s-btn-outline{background:transparent;border:1.5px solid var(--s-border);color:var(--s-text2);}
.s-btn-outline:hover{border-color:var(--s-blue);color:var(--s-blue);}
.s-btn-danger{background:var(--s-red);color:#fff;}
.s-btn-danger:hover{opacity:.9;}
.s-btn-success{background:var(--s-green);color:#fff;}
.s-btn-success:hover{opacity:.9;}
.s-btn-sm{padding:5px 8px;font-size:11px;}
.s-btn-icon{padding:6px;}
.s-badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:12px;font-size:10px;font-weight:700;white-space:nowrap;letter-spacing:.2px;}
.s-badge-blue{background:var(--s-blue-light);color:var(--s-blue);}
.s-badge-green{background:var(--s-green-light);color:#065f46;}
.s-badge-amber{background:var(--s-amber-light);color:#92400e;}
.s-badge-red{background:var(--s-red-light);color:var(--s-red);}
.s-badge-purple{background:var(--s-purple-light);color:var(--s-purple);}
.s-badge-gray{background:#f3f4f6;color:#6b7280;}
.s-avatar{width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:700;color:#fff;flex-shrink:0;}
.s-avatar-sm{width:22px;height:22px;font-size:8px;}
.s-avatar-group{display:flex;margin-left:0;}
.s-avatar-group .s-avatar{margin-left:-6px;border:2px solid var(--s-surface);}
.s-avatar-group .s-avatar:first-child{margin-left:0;}
.s-table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;}
.s-table{width:100%;border-collapse:collapse;font-size:13px;}
.s-table th{text-align:left;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--s-text3);padding:8px 12px;border-bottom:1px solid var(--s-border);white-space:nowrap;}
.s-table td{padding:10px 12px;border-bottom:1px solid var(--s-border);vertical-align:middle;}
.s-table tr:last-child td{border-bottom:none;}
.s-table tr:hover td{background:rgba(0,0,0,.015);}
.s-table-link{color:var(--s-navy);font-weight:600;text-decoration:none;}
.s-table-link:hover{color:var(--s-blue);}
.kanban-container{display:flex;gap:10px;overflow-x:auto;-webkit-overflow-scrolling:touch;padding-bottom:10px;min-height:300px;}
.kanban-column{min-width:260px;width:260px;flex-shrink:0;background:var(--s-bg);border-radius:var(--s-radius);border:1px solid var(--s-border);display:flex;flex-direction:column;max-height:calc(100vh - 180px);}
.kanban-col-header{padding:10px 12px;border-bottom:1px solid var(--s-border);display:flex;align-items:center;justify-content:space-between;gap:8px;position:sticky;top:0;background:var(--s-bg);z-index:1;border-radius:var(--s-radius) var(--s-radius) 0 0;}
.kanban-col-title{font-size:12px;font-weight:700;color:var(--s-navy);display:flex;align-items:center;gap:6px;}
.kanban-col-count{background:var(--s-border);color:var(--s-text2);border-radius:10px;font-size:10px;font-weight:700;padding:1px 6px;}
.kanban-col-body{flex:1;padding:8px;overflow-y:auto;display:flex;flex-direction:column;gap:6px;min-height:60px;}
.kanban-col-body.drag-over{background:rgba(37,99,235,.05);border:2px dashed rgba(37,99,235,.3);border-radius:0 0 var(--s-radius) var(--s-radius);}
.kanban-card{background:var(--s-surface);border:1px solid var(--s-border);border-radius:8px;padding:10px;cursor:grab;transition:box-shadow .15s,transform .15s;user-select:none;-webkit-user-select:none;touch-action:none;position:relative;padding-left:14px;}
.kanban-card:active{cursor:grabbing;}
.kanban-card.dragging{opacity:.5;transform:rotate(2deg);box-shadow:var(--s-shadow-md);}
.kanban-card-title{font-size:12.5px;font-weight:600;color:var(--s-navy);margin-bottom:6px;line-height:1.3;}
.kanban-card-meta{display:flex;align-items:center;justify-content:space-between;gap:6px;flex-wrap:wrap;}
.kanban-card-priority{width:3px;position:absolute;top:4px;bottom:4px;left:0;border-radius:2px;}
.kanban-card-due{font-size:10px;color:var(--s-text3);display:flex;align-items:center;gap:3px;}
.kanban-card-due.overdue{color:var(--s-red);font-weight:600;}
.gantt-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;}
.gantt-bar{position:absolute;top:50%;transform:translateY(-50%);height:18px;border-radius:4px;display:flex;align-items:center;padding:0 6px;font-size:9px;font-weight:700;color:#fff;white-space:nowrap;overflow:hidden;}
.gantt-bar.completed{background:linear-gradient(90deg,#059669,#10b981);}
.gantt-bar.in-progress{background:linear-gradient(90deg,#1d4ed8,#3b82f6);}
.gantt-bar.delayed{background:linear-gradient(90deg,#dc2626,#ef4444);}
.gantt-bar.upcoming{background:linear-gradient(90deg,#64748b,#94a3b8);}
.s-comment{display:flex;gap:10px;padding:10px 0;border-bottom:1px solid var(--s-border);}
.s-comment:last-child{border-bottom:none;}
.s-comment-body{flex:1;}
.s-comment-header{display:flex;align-items:center;gap:8px;margin-bottom:4px;}
.s-comment-author{font-size:12px;font-weight:600;color:var(--s-navy);}
.s-comment-time{font-size:10px;color:var(--s-text3);}
.s-comment-text{font-size:13px;color:var(--s-text2);line-height:1.5;}
.s-progress-bar{width:100%;height:6px;background:var(--s-border);border-radius:3px;overflow:hidden;}
.s-progress-fill{height:100%;border-radius:3px;transition:width .4s ease;}
.s-activity-item{display:flex;gap:10px;padding:8px 0;border-bottom:1px solid var(--s-border);font-size:12px;}
.s-activity-item:last-child{border-bottom:none;}
.s-activity-text{flex:1;color:var(--s-text2);line-height:1.4;}
.s-activity-text strong{color:var(--s-navy);}
.s-activity-time{font-size:10px;color:var(--s-text3);white-space:nowrap;}
.s-empty{text-align:center;padding:32px 16px;color:var(--s-text3);}
.s-empty-icon{font-size:28px;margin-bottom:8px;}
.s-empty p{font-size:13px;}
.s-filters{display:flex;gap:8px;margin-bottom:12px;flex-wrap:wrap;align-items:center;}
.s-search{flex:1;min-width:180px;padding:8px 12px;border:1.5px solid var(--s-border);border-radius:var(--s-radius-sm);font-family:inherit;font-size:13px;outline:none;-webkit-appearance:none;}
.s-search:focus{border-color:var(--s-blue);}
.s-filter-select{padding:8px 28px 8px 10px;border:1.5px solid var(--s-border);border-radius:var(--s-radius-sm);font-family:inherit;font-size:12px;background:var(--s-surface);-webkit-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='%239ca3af' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l4 4 4-4'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 8px center;}
.s-tabs{display:flex;gap:0;border-bottom:2px solid var(--s-border);margin-bottom:14px;overflow-x:auto;}
.s-tab{padding:8px 14px;font-size:12px;font-weight:600;color:var(--s-text3);text-decoration:none;border-bottom:2px solid transparent;margin-bottom:-2px;white-space:nowrap;transition:all .15s;}
.s-tab:hover{color:var(--s-text);}
.s-tab.active{color:var(--s-blue);border-bottom-color:var(--s-blue);}
.s-messages{list-style:none;margin-bottom:12px;}
.s-messages li{padding:8px 12px;border-radius:var(--s-radius-sm);font-size:12px;margin-bottom:6px;}
.s-messages .success{background:var(--s-green-light);color:#065f46;}
.s-messages .error{background:var(--s-red-light);color:#991b1b;}
.s-modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:300;display:none;align-items:flex-end;justify-content:center;backdrop-filter:blur(2px);}
.s-modal-overlay.visible{display:flex;}
.s-modal{background:var(--s-surface);border-radius:14px 14px 0 0;width:100%;max-width:400px;padding:20px;animation:slideUp .2s ease;}
@keyframes slideUp{from{transform:translateY(100%);}to{transform:translateY(0);}}
.s-modal-title{font-size:16px;font-weight:700;margin-bottom:8px;}
.s-modal-text{font-size:13px;color:var(--s-text2);margin-bottom:16px;}
.s-modal-actions{display:flex;gap:8px;justify-content:flex-end;}
.staff-toast-container{position:fixed;bottom:calc(var(--s-mobile-nav) + 8px);left:8px;right:8px;z-index:400;display:flex;flex-direction:column;gap:6px;pointer-events:none;}
.staff-toast{background:var(--s-navy);color:#fff;padding:10px 14px;border-radius:8px;font-size:12px;font-weight:500;box-shadow:var(--s-shadow-md);pointer-events:auto;}
.staff-toast.success{border-left:3px solid var(--s-green);}
::-webkit-scrollbar{width:4px;height:4px;}
::-webkit-scrollbar-track{background:transparent;}
::-webkit-scrollbar-thumb{background:var(--s-border);border-radius:2px;}
@media(min-width:768px){
    .staff-content{padding:20px;}
    .s-card-pad{padding:20px;}
    .s-stats-grid{grid-template-columns:repeat(4,1fr);gap:12px;}
    .kanban-column{min-width:240px;width:auto;flex:1;}
    .s-modal{border-radius:14px;margin:auto;}
    .s-modal-overlay.visible{align-items:center;}
}
@media(min-width:1024px){
    .staff-app{flex-direction:row;padding-bottom:0;}
    .staff-sidebar{display:flex;}
    .staff-mobile-nav{display:none;}
    .staff-main{margin-left:var(--s-sidebar);}
    .staff-topbar{padding:0 28px;height:56px;}
    .staff-content{padding:24px 28px;}
    .s-stats-grid{gap:14px;}
    .kanban-column{min-width:220px;}
    .staff-toast-container{bottom:16px;left:auto;right:16px;max-width:320px;}
}