*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --primary:#2563eb;--primary-dark:#1d4ed8;--primary-light:#dbeafe;
  --success:#16a34a;--success-light:#dcfce7;
  --warning:#ca8a04;--warning-light:#fef9c3;
  --danger:#dc2626;--danger-light:#fee2e2;
  --gray-50:#f9fafb;--gray-100:#f3f4f6;--gray-200:#e5e7eb;--gray-300:#d1d5db;
  --gray-400:#9ca3af;--gray-500:#6b7280;--gray-600:#4b5563;--gray-700:#374151;
  --gray-800:#1f2937;--gray-900:#111827;
  --sidebar-w:240px;--header-h:56px;
}
body{font-family:'Segoe UI','Meiryo','Hiragino Sans',sans-serif;background:var(--gray-100);color:var(--gray-800);font-size:14px;line-height:1.5}
a{color:inherit;text-decoration:none}
.sidebar{position:fixed;top:0;left:0;width:var(--sidebar-w);height:100vh;background:var(--gray-900);color:#fff;display:flex;flex-direction:column;z-index:100}
.sidebar-logo{padding:16px 20px;font-size:16px;font-weight:700;border-bottom:1px solid var(--gray-700);display:flex;align-items:center;gap:8px;height:var(--header-h)}
.sidebar-nav{flex:1;overflow-y:auto;padding:8px 0}
.sidebar-nav a{display:flex;align-items:center;gap:12px;padding:10px 20px;color:var(--gray-400);text-decoration:none;font-size:13px;transition:all .15s}
.sidebar-nav a:hover{color:#fff;background:rgba(255,255,255,.05)}
.sidebar-nav a.active{color:#fff;background:var(--primary);border-right:3px solid #93c5fd}
.sidebar-nav a svg{width:18px;height:18px;fill:currentColor;flex-shrink:0}
.header{position:fixed;top:0;left:var(--sidebar-w);right:0;height:var(--header-h);background:#fff;border-bottom:1px solid var(--gray-200);display:flex;align-items:center;justify-content:space-between;padding:0 24px;z-index:90}
.header-title{font-size:16px;font-weight:600}
.main{margin-left:var(--sidebar-w);margin-top:var(--header-h);padding:24px;min-height:calc(100vh - var(--header-h))}
.card{background:#fff;border-radius:8px;border:1px solid var(--gray-200);padding:20px;margin-bottom:16px}
.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;flex-wrap:wrap;gap:10px}
.card-title{font-size:15px;font-weight:600}
.kpi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:24px}
.kpi-card{background:#fff;border-radius:8px;border:1px solid var(--gray-200);padding:20px}
.kpi-label{font-size:12px;color:var(--gray-500);margin-bottom:4px}
.kpi-value{font-size:28px;font-weight:700;color:var(--gray-900)}
.kpi-sub{font-size:12px;color:var(--gray-400);margin-top:4px}
.kpi-card.blue .kpi-value{color:var(--primary)}
.kpi-card.green .kpi-value{color:var(--success)}
.kpi-card.yellow .kpi-value{color:var(--warning)}
.kpi-card.red .kpi-value{color:var(--danger)}
table{width:100%;border-collapse:collapse}
th,td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--gray-200);font-size:13px}
th{background:var(--gray-50);font-weight:600;color:var(--gray-600);font-size:12px;text-transform:uppercase;letter-spacing:.3px;white-space:nowrap}
tr:hover td{background:var(--gray-50)}
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
.badge{display:inline-block;padding:2px 10px;border-radius:999px;font-size:11px;font-weight:600}
.badge-green{background:var(--success-light);color:var(--success)}
.badge-yellow{background:var(--warning-light);color:var(--warning)}
.badge-gray{background:var(--gray-200);color:var(--gray-500)}
.badge-blue{background:var(--primary-light);color:var(--primary)}
.badge-red{background:var(--danger-light);color:var(--danger)}
.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:6px;font-size:13px;font-weight:500;border:none;cursor:pointer;transition:all .15s;text-decoration:none}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark)}
.btn-secondary{background:var(--gray-100);color:var(--gray-700);border:1px solid var(--gray-300)}
.btn-secondary:hover{background:var(--gray-200)}
.btn-sm{padding:4px 10px;font-size:12px}
.tabs{display:flex;gap:0;border-bottom:2px solid var(--gray-200);margin-bottom:16px}
.tab{padding:10px 20px;font-size:13px;font-weight:500;color:var(--gray-500);cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-2px;transition:all .15s;text-decoration:none}
.tab:hover{color:var(--gray-700)}
.tab.active{color:var(--primary);border-bottom-color:var(--primary)}
.form-group{margin-bottom:16px}
.form-label{display:block;font-size:12px;font-weight:600;color:var(--gray-600);margin-bottom:4px}
.form-input,.form-select,.form-textarea{width:100%;padding:8px 12px;border:1px solid var(--gray-300);border-radius:6px;font-size:13px;font-family:inherit}
.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,.1)}
.form-textarea{resize:vertical;min-height:80px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.search-bar{display:flex;gap:8px;margin-bottom:16px}
.search-bar .form-input{max-width:280px}
.skill-tag{display:inline-block;padding:2px 8px;background:var(--primary-light);color:var(--primary);border-radius:4px;font-size:11px;margin:2px}
.detail-section{margin-bottom:20px}
.detail-section h4{font-size:13px;font-weight:600;color:var(--gray-500);margin-bottom:8px;padding-bottom:4px;border-bottom:1px solid var(--gray-200)}
.detail-grid{display:grid;grid-template-columns:120px 1fr;gap:6px 12px;font-size:13px}
.detail-grid dt{color:var(--gray-500);font-weight:500}
.detail-grid dd{color:var(--gray-800)}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
/* Modal */
.modal-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);z-index:200;align-items:center;justify-content:center}
.modal-overlay.open{display:flex}
.modal{background:#fff;border-radius:12px;width:90%;max-width:640px;max-height:85vh;overflow-y:auto;padding:24px}
.modal-lg{max-width:800px}
.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.modal-title{font-size:18px;font-weight:700}
.modal-close{width:32px;height:32px;border-radius:6px;border:none;background:var(--gray-100);cursor:pointer;font-size:18px;display:flex;align-items:center;justify-content:center;color:var(--gray-500)}
.modal-close:hover{background:var(--gray-200)}
/* Bar chart */
.bar-chart{display:flex;align-items:flex-end;gap:8px;height:180px;padding-top:8px}
.bar-col{display:flex;flex-direction:column;align-items:center;flex:1;gap:4px}
.bar{width:100%;border-radius:4px 4px 0 0;background:var(--primary);min-height:4px;transition:height .3s}
.bar-label{font-size:10px;color:var(--gray-500)}
.bar-value{font-size:10px;font-weight:600;color:var(--gray-700)}
/* Gantt */
.gantt{overflow-x:auto;margin-top:12px}
.gantt-table{min-width:800px}
.gantt-header{display:flex;border-bottom:1px solid var(--gray-200);padding-bottom:4px;margin-bottom:4px}
.gantt-label-col{width:200px;flex-shrink:0;font-size:12px;font-weight:600;color:var(--gray-600)}
.gantt-timeline{flex:1;display:flex}
.gantt-month{flex:1;text-align:center;font-size:11px;color:var(--gray-500)}
.gantt-row{display:flex;align-items:center;padding:6px 0;border-bottom:1px solid var(--gray-100)}
.gantt-row-label{width:200px;flex-shrink:0;font-size:12px;color:var(--gray-700)}
.gantt-row-bar{flex:1;position:relative;height:22px}
.gantt-bar{position:absolute;height:100%;border-radius:4px;font-size:10px;color:#fff;display:flex;align-items:center;padding:0 8px;white-space:nowrap;overflow:hidden}
.gantt-bar.active{background:var(--primary)}
.gantt-bar.planned{background:var(--success);opacity:.7}
.gantt-bar.ending{background:var(--warning)}
/* Match */
.match-page{display:grid;grid-template-columns:340px 1fr;gap:20px;align-items:start}
.match-projects{position:sticky;top:calc(var(--header-h) + 24px)}
.match-project-list{max-height:calc(100vh - 240px);overflow-y:auto}
.match-project-card{padding:12px;border:2px solid var(--gray-200);border-radius:8px;margin-bottom:8px;cursor:pointer;transition:all .15s}
.match-project-card:hover{border-color:var(--primary);background:var(--primary-light)}
.match-project-card.selected{border-color:var(--primary);background:var(--primary-light);box-shadow:0 0 0 3px rgba(37,99,235,.15)}
.match-project-name{font-weight:600;font-size:13px;color:var(--gray-800)}
.match-result-area{min-height:200px}
.match-score{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;font-size:13px;font-weight:700;color:#fff;flex-shrink:0}
.match-score.high{background:var(--success)}
.match-score.mid{background:var(--warning)}
.match-score.low{background:var(--danger)}
.match-candidate{display:flex;align-items:center;gap:12px;padding:12px;border:1px solid var(--gray-200);border-radius:8px;margin-bottom:8px;cursor:pointer;transition:all .15s}
.match-candidate:hover{border-color:var(--primary);background:var(--primary-light)}
.match-candidate-info{flex:1;min-width:0}
.match-candidate-name{font-weight:600;font-size:13px}
.match-candidate-skills{font-size:12px;color:var(--gray-500);margin-top:2px}
/* Invoice */
.invoice-preview{border:1px solid var(--gray-200);padding:32px;border-radius:8px;background:#fff;max-width:600px;margin:0 auto}
.invoice-preview h2{text-align:center;margin-bottom:24px;font-size:20px}
.inv-row{display:flex;justify-content:space-between;padding:6px 0;font-size:13px;border-bottom:1px solid var(--gray-100)}
.inv-total{font-weight:700;font-size:15px;border-top:2px solid var(--gray-800);border-bottom:none;margin-top:8px;padding-top:8px}
/* Attendance */
.att-cell{text-align:center;padding:6px 4px;border-radius:4px;font-size:11px}
.att-cell.header{font-weight:600;color:var(--gray-500);background:none}
.att-cell.work{background:var(--primary-light);color:var(--primary)}
.att-cell.off{background:var(--gray-100);color:var(--gray-400)}
/* Alert Panel */
.alert-panel{border-left:4px solid var(--warning)}
.alert-list{display:flex;flex-direction:column;gap:6px}
.alert-item{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:6px;border:1px solid var(--gray-200);transition:all .15s;text-decoration:none;color:inherit}
.alert-item:hover{background:var(--gray-50);border-color:var(--gray-300)}
.alert-item.alert-danger{border-left:3px solid var(--danger);background:var(--danger-light)}
.alert-item.alert-danger:hover{background:#fecaca}
.alert-item.alert-warning{border-left:3px solid var(--warning);background:var(--warning-light)}
.alert-item.alert-warning:hover{background:#fde68a}
.alert-item.alert-info{border-left:3px solid var(--primary);background:var(--primary-light)}
.alert-item.alert-info:hover{background:#bfdbfe}
.alert-icon{width:32px;height:32px;border-radius:6px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.alert-danger .alert-icon{background:var(--danger);color:#fff}
.alert-warning .alert-icon{background:var(--warning);color:#fff}
.alert-info .alert-icon{background:var(--primary);color:#fff}
.alert-content{flex:1;min-width:0}
.alert-title{font-size:13px;font-weight:600;color:var(--gray-800)}
.alert-detail{font-size:12px;color:var(--gray-500);margin-top:2px}
/* Fulfillment */
.fulfillment-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px}
.fulfillment-card{padding:14px;border:1px solid var(--gray-200);border-radius:8px;background:var(--gray-50)}
.fulfillment-bar-bg{height:8px;background:var(--gray-200);border-radius:4px;overflow:hidden}
.fulfillment-bar{height:100%;border-radius:4px;transition:width .4s ease}
.fulfillment-bar.full{background:var(--success)}
.fulfillment-bar.half{background:var(--warning)}
.fulfillment-bar.low{background:var(--danger)}
/* Auth */
.auth-screen{position:fixed;top:0;left:0;right:0;bottom:0;background:var(--gray-900);z-index:9999;display:flex;align-items:center;justify-content:center}
.auth-box{background:#fff;border-radius:12px;padding:32px;width:90%;max-width:360px;text-align:center}
.auth-box h1{font-size:20px;font-weight:700;color:var(--gray-900);margin-bottom:4px}
.auth-box p{font-size:13px;color:var(--gray-500);margin-bottom:20px}
.auth-box .form-input{text-align:center;font-size:15px;padding:10px 16px;letter-spacing:1px}
/* Hamburger */
.hamburger{display:none;background:none;border:none;cursor:pointer;padding:4px;color:var(--gray-700)}
.sidebar-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.4);z-index:99}
.sidebar-overlay.open{display:block}
.hide-mobile{}
/* Scrollbar */
::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-thumb{background:var(--gray-300);border-radius:3px}
/* ========== Responsive ========== */
@media(max-width:768px){
  :root{--sidebar-w:0px;--header-h:52px}
  .hamburger{display:block}
  .sidebar{transform:translateX(-280px);width:280px;transition:transform .25s ease}
  .sidebar.open{transform:translateX(0)}
  .header{left:0;padding:0 12px;gap:8px}
  .header-title{font-size:14px}
  .hide-mobile{display:none}
  .main{margin-left:0;padding:12px}
  .kpi-grid{grid-template-columns:1fr 1fr;gap:10px}
  .kpi-value{font-size:22px}
  .kpi-card{padding:14px}
  .grid-2,.match-page,.form-row{grid-template-columns:1fr}
  .match-projects{position:static}
  .match-project-list{max-height:none}
  .card{padding:14px;margin-bottom:12px}
  table{min-width:520px}
  th,td{padding:8px 8px;font-size:12px}
  .search-bar{flex-direction:column}
  .search-bar .form-input{max-width:100%}
  .tabs{overflow-x:auto;flex-wrap:nowrap;-webkit-overflow-scrolling:touch}
  .tab{padding:8px 14px;font-size:12px;white-space:nowrap;flex-shrink:0}
  .modal{width:95%;padding:16px;border-radius:10px;max-height:90vh}
  .modal-lg{max-width:95%}
  .bar-chart{height:140px;gap:4px}
  .invoice-preview{padding:16px}
  .btn{padding:8px 12px;font-size:12px}
}
@media(max-width:400px){
  .kpi-grid{grid-template-columns:1fr}
  .kpi-value{font-size:20px}
  .main{padding:8px}
  table{min-width:420px}
}