:root{--color-bg: #f3f5f9;--color-surface: #ffffff;--color-surface-alt: #fafbfd;--color-border: #e3e6ec;--color-border-strong: #c8ccd3;--color-text: #1f2328;--color-text-muted: #5c6370;--color-text-subtle: #8a8f98;--color-primary: #0078d4;--color-primary-hover: #106ebe;--color-primary-soft: #deecf9;--color-success: #107c10;--color-success-soft: #dff6dd;--color-warning: #c19c00;--color-warning-soft: #fff4ce;--color-danger: #d13438;--color-danger-soft: #fde7e9;--color-info: #0078d4;--color-purple: #5c2d91;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--shadow-sm: 0 1px 2px rgba(0,0,0,.05);--shadow-md: 0 2px 8px rgba(0,0,0,.08);--shadow-lg: 0 8px 24px rgba(0,0,0,.12);--sidebar-w: 240px;--topbar-h: 56px;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif}*{box-sizing:border-box}html,body,#root{height:100%;margin:0;padding:0}body{font-family:var(--font);background:var(--color-bg);color:var(--color-text);-webkit-font-smoothing:antialiased;font-size:14px}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}button{font-family:inherit;cursor:pointer;border:none;background:none}input,select,textarea,button{font-family:inherit;font-size:14px}.app-layout{display:grid;grid-template-columns:var(--sidebar-w) 1fr;grid-template-rows:var(--topbar-h) 1fr;grid-template-areas:"sidebar topbar" "sidebar main";height:100vh}.topbar{grid-area:topbar;background:var(--color-surface);border-bottom:1px solid var(--color-border);display:flex;align-items:center;padding:0 24px;gap:16px;z-index:10}.topbar .title{font-weight:600;font-size:16px;color:var(--color-text)}.topbar .spacer{flex:1}.topbar .user-chip{display:flex;align-items:center;gap:10px;padding:6px 12px;border-radius:20px;background:var(--color-surface-alt);border:1px solid var(--color-border)}.topbar .user-chip .avatar{width:28px;height:28px;border-radius:50%;background:var(--color-primary);color:#fff;display:grid;place-items:center;font-weight:600;font-size:12px}.topbar .menu-toggle{display:none}.sidebar{grid-area:sidebar;background:#1b1f26;color:#d7dbe0;display:flex;flex-direction:column;z-index:20}.sidebar .brand{padding:18px 20px;font-weight:700;font-size:16px;color:#fff;display:flex;align-items:center;gap:10px;border-bottom:1px solid #2a2f37}.sidebar .brand-icon{width:28px;height:28px;border-radius:6px;background:var(--color-primary);display:grid;place-items:center;color:#fff;font-weight:700}.sidebar nav{padding:8px 0;flex:1;overflow-y:auto}.sidebar a.nav-link{display:flex;align-items:center;gap:12px;padding:10px 20px;color:#d7dbe0;text-decoration:none;font-size:14px;border-left:3px solid transparent}.sidebar a.nav-link:hover{background:#252a32;color:#fff;text-decoration:none}.sidebar a.nav-link.active{background:#252a32;color:#fff;border-left-color:var(--color-primary)}.sidebar .nav-icon{font-size:16px;width:20px;text-align:center}.sidebar .sidebar-footer{padding:12px 20px;border-top:1px solid #2a2f37;font-size:12px;color:#8a8f98}.main{grid-area:main;overflow-y:auto;padding:24px}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;gap:12px;flex-wrap:wrap}.page-header h1{font-size:22px;font-weight:600;margin:0}.page-header .subtitle{color:var(--color-text-muted);font-size:13px;margin-top:4px}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);padding:16px}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.card-title{font-weight:600;font-size:14px;color:var(--color-text)}.card-subtle{color:var(--color-text-muted);font-size:12px}.kpi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:20px}.kpi{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:16px;box-shadow:var(--shadow-sm)}.kpi .kpi-label{color:var(--color-text-muted);font-size:12px;text-transform:uppercase;letter-spacing:.4px}.kpi .kpi-value{font-size:28px;font-weight:600;margin:6px 0 2px;color:var(--color-text)}.kpi .kpi-foot{color:var(--color-text-subtle);font-size:12px}.kpi .kpi-bar{height:3px;background:var(--color-primary);border-radius:2px;margin-top:10px;width:60%}.kpi.accent-green .kpi-bar{background:var(--color-success)}.kpi.accent-orange .kpi-bar{background:var(--color-warning)}.kpi.accent-red .kpi-bar{background:var(--color-danger)}.kpi.accent-purple .kpi-bar{background:var(--color-purple)}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:var(--radius-sm);font-size:14px;font-weight:500;background:var(--color-surface);color:var(--color-text);border:1px solid var(--color-border-strong);transition:all .15s ease}.btn:hover{background:var(--color-surface-alt)}.btn.primary{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.btn.primary:hover{background:var(--color-primary-hover)}.btn.danger{background:var(--color-danger);color:#fff;border-color:var(--color-danger)}.btn.danger:hover{filter:brightness(.95)}.btn.ghost{background:transparent;border-color:transparent;color:var(--color-text-muted)}.btn.ghost:hover{background:var(--color-surface-alt);color:var(--color-text)}.btn.sm{padding:5px 10px;font-size:12px}.btn:disabled{opacity:.55;cursor:not-allowed}.form-row{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}.form-row label{font-size:12px;font-weight:500;color:var(--color-text-muted)}.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}input[type=text],input[type=email],input[type=password],input[type=date],input[type=datetime-local],input[type=number],select,textarea{width:100%;padding:8px 10px;border:1px solid var(--color-border-strong);border-radius:var(--radius-sm);background:var(--color-surface);color:var(--color-text);outline:none;transition:border-color .15s,box-shadow .15s}input:focus,select:focus,textarea:focus{border-color:var(--color-primary);box-shadow:0 0 0 2px #0078d426}textarea{min-height:70px;resize:vertical;font-family:inherit}.table-wrap{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-sm)}table.data{width:100%;border-collapse:collapse;font-size:13px}table.data th,table.data td{text-align:left;padding:10px 14px;border-bottom:1px solid var(--color-border)}table.data th{font-weight:600;color:var(--color-text-muted);text-transform:uppercase;font-size:11px;letter-spacing:.4px;background:var(--color-surface-alt)}table.data tr:hover td{background:#fafbfd}.badge{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;border-radius:10px;font-size:11px;font-weight:600;background:var(--color-surface-alt);color:var(--color-text-muted);border:1px solid var(--color-border)}.badge.primary{background:var(--color-primary-soft);color:var(--color-primary);border-color:transparent}.badge.success{background:var(--color-success-soft);color:var(--color-success);border-color:transparent}.badge.warning{background:var(--color-warning-soft);color:#8a6a00;border-color:transparent}.badge.danger{background:var(--color-danger-soft);color:var(--color-danger);border-color:transparent}.badge.purple{background:#efe6f6;color:var(--color-purple);border-color:transparent}.kanban{display:grid;grid-template-columns:repeat(4,minmax(260px,1fr));gap:16px;overflow-x:auto;padding-bottom:8px}.kanban-col{background:#eceff4;border-radius:var(--radius-md);padding:12px;display:flex;flex-direction:column;gap:10px;min-width:260px}.kanban-col .col-title{font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.4px;color:var(--color-text-muted);display:flex;justify-content:space-between;align-items:center;padding:0 4px 4px}.kanban-col .col-count{background:#fff;border-radius:10px;padding:1px 8px;font-size:11px;color:var(--color-text-muted);border:1px solid var(--color-border)}.kanban-card{background:#fff;border:1px solid var(--color-border);border-left:3px solid var(--color-primary);border-radius:var(--radius-sm);padding:10px 12px;box-shadow:var(--shadow-sm);cursor:pointer;transition:box-shadow .15s,transform .1s}.kanban-card:hover{box-shadow:var(--shadow-md);transform:translateY(-1px)}.kanban-card.priority-urgent{border-left-color:var(--color-danger)}.kanban-card.priority-high{border-left-color:var(--color-warning)}.kanban-card.priority-low{border-left-color:var(--color-text-subtle)}.kanban-card .kc-title{font-weight:600;font-size:14px;margin-bottom:4px}.kanban-card .kc-meta{font-size:12px;color:var(--color-text-muted);margin-bottom:6px}.kanban-card .kc-footer{display:flex;gap:8px;align-items:center;font-size:11px;color:var(--color-text-subtle)}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#14181e8c;display:flex;align-items:center;justify-content:center;z-index:100;animation:fadeIn .15s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal{background:var(--color-surface);border-radius:var(--radius-lg);max-width:720px;width:calc(100% - 32px);max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg);animation:slideUp .2s ease}@keyframes slideUp{0%{transform:translateY(14px);opacity:0}to{transform:none;opacity:1}}.modal-header{padding:18px 22px;border-bottom:1px solid var(--color-border);display:flex;justify-content:space-between;align-items:center}.modal-header h2{margin:0;font-size:17px}.modal-body{padding:18px 22px}.modal-footer{padding:14px 22px;border-top:1px solid var(--color-border);display:flex;justify-content:flex-end;gap:10px;background:var(--color-surface-alt);border-radius:0 0 var(--radius-lg) var(--radius-lg)}.timeline{position:relative;padding-left:24px}.timeline:before{content:"";position:absolute;left:6px;top:6px;bottom:6px;width:2px;background:var(--color-border)}.tl-item{position:relative;padding-bottom:16px}.tl-item:before{content:"";position:absolute;left:-22px;top:4px;width:12px;height:12px;border-radius:50%;background:var(--color-primary);border:2px solid #fff;box-shadow:0 0 0 2px var(--color-primary-soft)}.tl-item .tl-date{font-size:11px;color:var(--color-text-subtle)}.tl-item .tl-body{margin-top:2px;font-size:13px;color:var(--color-text);white-space:pre-wrap}.tl-item .tl-author{font-weight:600;color:var(--color-text-muted);font-size:12px}.login-page{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#0078d4,#5c2d91);padding:24px}.login-card{background:#fff;border-radius:var(--radius-lg);padding:32px;width:100%;max-width:400px;box-shadow:var(--shadow-lg)}.login-card h1{font-size:22px;margin:0 0 4px;color:var(--color-text)}.login-card .sub{color:var(--color-text-muted);font-size:13px;margin-bottom:22px}.login-card .error{background:var(--color-danger-soft);color:var(--color-danger);padding:8px 12px;border-radius:var(--radius-sm);font-size:13px;margin-bottom:12px}.flex{display:flex}.flex-col{display:flex;flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-8{gap:8px}.gap-12{gap:12px}.gap-16{gap:16px}.mt-8{margin-top:8px}.mt-16{margin-top:16px}.mt-24{margin-top:24px}.text-muted{color:var(--color-text-muted)}.text-small{font-size:12px}.empty-state{text-align:center;padding:40px 20px;color:var(--color-text-muted)}.empty-state .icon{font-size:36px;margin-bottom:8px}.photo-thumb{width:140px;height:90px;object-fit:cover;border-radius:var(--radius-sm);border:1px solid var(--color-border);background:#f0f0f0}.avatar-lg{width:80px;height:80px;border-radius:50%;object-fit:cover;border:3px solid var(--color-primary-soft)}.toast-wrap{position:fixed;top:20px;right:20px;z-index:999;display:flex;flex-direction:column;gap:8px}.toast{padding:10px 14px;border-radius:var(--radius-sm);font-size:13px;background:#fff;border-left:4px solid var(--color-primary);box-shadow:var(--shadow-md);min-width:240px}.toast.error{border-left-color:var(--color-danger)}.toast.success{border-left-color:var(--color-success)}@media (max-width: 860px){.app-layout{grid-template-columns:1fr;grid-template-areas:"topbar" "main"}.sidebar{position:fixed;top:0;left:0;bottom:0;width:260px;transform:translate(-100%);transition:transform .2s ease}.sidebar.open{transform:translate(0)}.topbar .menu-toggle{display:inline-flex}.main{padding:16px}.kanban{grid-template-columns:1fr}.kpi-grid{grid-template-columns:1fr 1fr}}@media (max-width: 480px){.kpi-grid{grid-template-columns:1fr}.page-header h1{font-size:18px}.modal{width:calc(100% - 16px)}.modal-body,.modal-header,.modal-footer{padding-left:14px;padding-right:14px}}