:root{--primary:#080738;--primary-light:#1a1860;--primary-lighter:#2d2a8a;--primary-soft:#e8e8f5;--accent:#4a47b5;--gold:#d4a73e;--success:#10b981;--warning:#f59e0b;--danger:#ef4444;--info:#06b6d4;--gray-50:#f9fafb;--gray-100:#f3f4f6;--gray-200:#e5e7eb;--gray-300:#d1d5db;--gray-500:#6b7280;--gray-700:#374151;--gray-900:#111827}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Sarabun',sans-serif;background:#f0f1f7;color:var(--gray-900);font-size:14px;line-height:1.5}

/* Loading */
.loading-overlay{position:fixed;inset:0;background:rgba(255,255,255,.92);z-index:9999;display:flex;flex-direction:column;align-items:center;justify-content:center}
.spinner{width:50px;height:50px;border:4px solid var(--gray-200);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.loading-text{margin-top:16px;color:var(--primary);font-weight:500}

/* Toast */
.toast{position:fixed;top:20px;right:20px;padding:14px 24px;border-radius:8px;color:#fff;font-weight:500;z-index:10000;opacity:0;transform:translateX(400px);transition:all .3s;max-width:400px;box-shadow:0 4px 12px rgba(0,0,0,.15)}
.toast.show{opacity:1;transform:translateX(0)}
.toast.success{background:var(--success)}.toast.error{background:var(--danger)}.toast.info{background:var(--info)}.toast.warning{background:var(--warning)}

/* Login */
.login-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 50%,var(--primary-lighter) 100%);padding:20px;position:relative;overflow:hidden}
.login-container::before{content:'';position:absolute;top:-50%;right:-20%;width:800px;height:800px;background:radial-gradient(circle,rgba(212,167,62,.08),transparent 70%);pointer-events:none}
.login-box{background:#fff;padding:40px;border-radius:16px;box-shadow:0 20px 60px rgba(8,7,56,.3);width:100%;max-width:420px;position:relative;z-index:1}
.login-header{text-align:center;margin-bottom:28px}
.login-icon{width:84px;height:84px;background:linear-gradient(135deg,var(--primary),var(--primary-lighter));color:#fff;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-size:36px;margin-bottom:16px;box-shadow:0 8px 24px rgba(8,7,56,.4)}
.login-header h1{color:var(--primary);font-size:24px;font-weight:700;margin-bottom:4px}
.login-header p{color:var(--gray-500);font-size:13px}
.login-footer{text-align:center;margin-top:24px;color:var(--gray-500);padding-top:16px;border-top:1px solid var(--gray-200)}

/* Forms */
.form-group{margin-bottom:16px}
.form-group label{display:block;margin-bottom:6px;color:var(--gray-700);font-weight:500;font-size:13px}
.form-group label i{color:var(--primary);margin-right:4px}
.form-group label .required{color:var(--danger)}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:10px 14px;border:1px solid var(--gray-300);border-radius:8px;font-size:14px;font-family:'Sarabun',sans-serif;transition:all .2s;background:#fff}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(8,7,56,.1)}
.form-group input:disabled,.form-group select:disabled{background:var(--gray-100);cursor:not-allowed}
.form-group textarea{resize:vertical;min-height:80px}
.form-group small{display:block;margin-top:4px;color:var(--gray-500);font-size:12px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}

/* Checkbox */
.checkbox-row{display:flex;align-items:center;gap:8px;padding:12px;background:var(--gray-50);border-radius:8px;border:1px solid var(--gray-200)}
.checkbox-row input[type=checkbox]{width:18px;height:18px;accent-color:var(--primary);cursor:pointer}
.checkbox-row label{margin:0;cursor:pointer;user-select:none;flex:1}
.confidential-section{background:linear-gradient(135deg,#fff7ed,#fef3c7);border:1px solid #fbbf24;border-radius:10px;padding:16px;margin-top:8px}
.confidential-section .section-title{font-weight:600;color:#92400e;margin-bottom:10px;display:flex;align-items:center;gap:8px}

/* Alerts */
.alert{padding:14px 16px;border-radius:8px;margin-bottom:16px;display:flex;gap:10px;align-items:flex-start}
.alert i{font-size:18px;margin-top:1px}
.alert-info{background:#e1f5fe;color:#01579b;border-left:4px solid #03a9f4}
.alert-warning{background:#fff7ed;color:#9a3412;border-left:4px solid #f59e0b}
.alert-danger{background:#fef2f2;color:#991b1b;border-left:4px solid var(--danger)}
.alert-success{background:#ecfdf5;color:#065f46;border-left:4px solid var(--success)}

/* Multi-select */
.multi-select-box{border:1px solid var(--gray-300);border-radius:8px;background:#fff;max-height:200px;overflow-y:auto;padding:8px}
.multi-select-item{padding:8px 10px;cursor:pointer;border-radius:6px;display:flex;align-items:center;gap:10px;transition:background .15s}
.multi-select-item:hover{background:var(--gray-100)}
.multi-select-item.selected{background:var(--primary-soft)}
.multi-select-item input[type=checkbox]{width:16px;height:16px;accent-color:var(--primary)}
.multi-select-item .name{font-weight:500;font-size:13px}
.multi-select-item .meta{font-size:11px;color:var(--gray-500)}
.multi-select-search{width:100%;padding:8px 12px;border:1px solid var(--gray-300);border-radius:6px;margin-bottom:8px;font-family:'Sarabun',sans-serif;font-size:13px}
.selected-pills{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}
.pill{background:var(--primary);color:#fff;padding:4px 10px;border-radius:14px;font-size:12px;display:inline-flex;align-items:center;gap:6px}
.pill .pill-close{cursor:pointer;opacity:.8}
.pill .pill-close:hover{opacity:1}

/* Buttons */
.btn-primary,.btn-secondary,.btn-danger,.btn-success,.btn-warning,.btn-info,.btn-gold{padding:10px 20px;border:none;border-radius:8px;font-size:14px;font-weight:500;font-family:'Sarabun',sans-serif;cursor:pointer;transition:all .2s;display:inline-flex;align-items:center;gap:8px}
.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-light)}
.btn-secondary{background:var(--gray-500);color:#fff}.btn-secondary:hover{background:var(--gray-700)}
.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{background:#dc2626}
.btn-success{background:var(--success);color:#fff}.btn-success:hover{background:#059669}
.btn-warning{background:var(--warning);color:#fff}.btn-warning:hover{background:#d97706}
.btn-info{background:var(--info);color:#fff}.btn-info:hover{background:#0891b2}
.btn-gold{background:var(--gold);color:#fff}.btn-gold:hover{background:#b8902f}
.btn-block{width:100%;justify-content:center;padding:12px}
.btn-sm{padding:6px 12px;font-size:12px}

/* Layout */
#mainApp{display:flex;min-height:100vh}
.sidebar{width:260px;background:linear-gradient(180deg,var(--primary) 0%,var(--primary-light) 100%);color:#fff;display:flex;flex-direction:column;position:fixed;height:100vh;left:0;top:0;z-index:100;transition:transform .3s}
.sidebar-header{padding:24px 20px;font-size:18px;font-weight:700;display:flex;align-items:center;gap:10px;border-bottom:1px solid rgba(255,255,255,.1)}
.sidebar-header i{font-size:24px;color:var(--gold)}
.sidebar-menu{flex:1;padding:16px 12px;overflow-y:auto}
.menu-item{padding:12px 16px;cursor:pointer;border-radius:8px;margin-bottom:4px;display:flex;align-items:center;gap:12px;transition:all .2s;color:rgba(255,255,255,.85);position:relative}
.menu-item:hover{background:rgba(255,255,255,.1);color:#fff}
.menu-item.active{background:rgba(255,255,255,.15);color:#fff;font-weight:500;border-left:3px solid var(--gold)}
.menu-item i{width:20px;text-align:center}
.menu-item .menu-badge{position:absolute;right:12px;background:var(--danger);color:#fff;font-size:10px;padding:2px 7px;border-radius:10px;font-weight:600}
.menu-section{padding:14px 16px 6px;font-size:11px;text-transform:uppercase;letter-spacing:1px;color:rgba(255,255,255,.45);font-weight:600}
.sidebar-footer{padding:16px;border-top:1px solid rgba(255,255,255,.1)}
.user-info{display:flex;align-items:center;gap:10px;margin-bottom:12px;padding:8px}
.user-avatar{font-size:36px;color:var(--gold)}
.user-details{flex:1;min-width:0}
.user-name{font-weight:500;font-size:14px;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.user-role{font-size:11px;color:rgba(255,255,255,.6)}
.btn-logout{width:100%;padding:10px;background:rgba(239,68,68,.2);color:#fff;border:1px solid rgba(239,68,68,.5);border-radius:8px;cursor:pointer;font-family:'Sarabun',sans-serif;font-size:13px;transition:all .2s}
.btn-logout:hover{background:var(--danger)}
.main-content{flex:1;margin-left:260px;min-height:100vh;display:flex;flex-direction:column}
.topbar{background:#fff;padding:16px 24px;display:flex;align-items:center;gap:16px;box-shadow:0 1px 3px rgba(0,0,0,.05);position:sticky;top:0;z-index:50}
.menu-toggle{background:none;border:none;font-size:20px;cursor:pointer;color:var(--gray-700);display:none}
.topbar h2{flex:1;font-size:18px;font-weight:600;color:var(--primary)}
.topbar-right{color:var(--gray-700);font-size:14px;display:flex;align-items:center;gap:14px}
.welcome-text strong{color:var(--primary)}
.ack-badge-topbar{background:var(--danger);color:#fff;padding:6px 12px;border-radius:16px;font-size:12px;font-weight:600;cursor:pointer;animation:pulseBadge 2s infinite}
@keyframes pulseBadge{0%,100%{box-shadow:0 0 0 0 rgba(239,68,68,.5)}50%{box-shadow:0 0 0 6px rgba(239,68,68,0)}}
.btn-icon-topbar{background:var(--primary-soft);color:var(--primary);border:none;width:36px;height:36px;border-radius:8px;cursor:pointer;font-size:14px;transition:all .2s;display:inline-flex;align-items:center;justify-content:center}
.btn-icon-topbar:hover{background:var(--primary);color:#fff}
.content-area{padding:24px;flex:1}

/* Stats */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-bottom:24px}
.stat-card{background:#fff;padding:20px;border-radius:12px;box-shadow:0 2px 8px rgba(8,7,56,.05);display:flex;align-items:center;gap:16px;transition:transform .2s,box-shadow .2s;border:1px solid var(--gray-100)}
.stat-card:hover{transform:translateY(-2px);box-shadow:0 6px 16px rgba(8,7,56,.1)}
.stat-icon{width:56px;height:56px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:24px;color:#fff;flex-shrink:0}
.stat-icon.primary{background:linear-gradient(135deg,var(--primary),var(--primary-lighter))}
.stat-icon.green{background:linear-gradient(135deg,#10b981,#34d399)}
.stat-icon.orange{background:linear-gradient(135deg,#f59e0b,#fbbf24)}
.stat-icon.purple{background:linear-gradient(135deg,#8b5cf6,#a78bfa)}
.stat-icon.red{background:linear-gradient(135deg,#ef4444,#f87171)}
.stat-icon.cyan{background:linear-gradient(135deg,#06b6d4,#22d3ee)}
.stat-info{flex:1;min-width:0}
.stat-label{font-size:13px;color:var(--gray-500);margin-bottom:4px}
.stat-value{font-size:28px;font-weight:700;color:var(--primary)}

/* Cards */
.card{background:#fff;border-radius:12px;box-shadow:0 2px 8px rgba(8,7,56,.05);margin-bottom:16px;overflow:hidden;border:1px solid var(--gray-100)}
.card-header{padding:16px 20px;border-bottom:1px solid var(--gray-100);display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;background:linear-gradient(to right,var(--primary-soft),#fff)}
.card-title{font-size:16px;font-weight:600;color:var(--primary);display:flex;align-items:center;gap:8px}
.card-title i{color:var(--accent)}
.card-body{padding:20px}
.card-actions{display:flex;gap:8px;flex-wrap:wrap}

/* Search */
.search-bar{display:flex;gap:10px;margin-bottom:12px;flex-wrap:wrap}
.search-bar input,.search-bar select{padding:9px 13px;border:1px solid var(--gray-300);border-radius:8px;font-family:'Sarabun',sans-serif;font-size:14px;background:#fff}
.search-bar input{flex:1;min-width:180px}
.search-bar input:focus,.search-bar select:focus{outline:none;border-color:var(--primary)}

/* Tables */
.table-wrapper{overflow-x:auto;border-radius:8px;border:1px solid var(--gray-200)}
.data-table{width:100%;border-collapse:collapse;font-size:13px}
.data-table thead{background:var(--primary-soft)}
.data-table th{padding:12px;text-align:left;font-weight:600;color:var(--primary);border-bottom:2px solid var(--gray-200);white-space:nowrap}
.data-table th.sortable{cursor:pointer;user-select:none;transition:background .15s}
.data-table th.sortable:hover{background:rgba(8,7,56,.08)}
.sort-icon-inactive{color:var(--gray-300);font-size:11px}
.sort-icon-active{color:var(--primary);font-size:12px}
.data-table td{padding:12px;border-bottom:1px solid var(--gray-100);vertical-align:middle}
.data-table tbody tr:hover{background:var(--gray-50)}
.data-table tbody tr.confidential-row{background:linear-gradient(to right,rgba(251,191,36,.06),transparent)}
.btn-icon{width:32px;height:32px;border:none;border-radius:6px;cursor:pointer;font-size:13px;margin:0 2px;transition:all .2s;color:#fff}
.btn-icon.edit{background:var(--primary)}.btn-icon.edit:hover{background:var(--primary-light)}
.btn-icon.delete{background:var(--danger)}.btn-icon.delete:hover{background:#dc2626}
.btn-icon.view{background:var(--info)}.btn-icon.view:hover{background:#0891b2}
.btn-icon.ack{background:var(--success)}.btn-icon.ack:hover{background:#059669}
.empty-state{text-align:center;padding:40px;color:var(--gray-500)}
.empty-state i{font-size:48px;margin-bottom:12px;color:var(--gray-300)}

/* Badges */
.badge{display:inline-block;padding:4px 10px;border-radius:12px;font-size:11px;font-weight:500;white-space:nowrap}
.badge-success{background:#dcfce7;color:#166534}.badge-warning{background:#fef3c7;color:#92400e}
.badge-danger{background:#fee2e2;color:#991b1b}.badge-info{background:#cffafe;color:#155e75}
.badge-secondary{background:var(--gray-100);color:var(--gray-700)}.badge-purple{background:#ede9fe;color:#5b21b6}
.badge-primary{background:var(--primary-soft);color:var(--primary)}.badge-gold{background:#fef3c7;color:#92400e;border:1px solid var(--gold)}
.confidential-tag{display:inline-flex;align-items:center;gap:4px;background:linear-gradient(135deg,#fbbf24,#f59e0b);color:#fff;padding:3px 8px;border-radius:10px;font-size:10px;font-weight:600;margin-left:6px}

/* Modal */
.modal-overlay{position:fixed;inset:0;background:rgba(8,7,56,.65);z-index:1000;display:flex;align-items:center;justify-content:center;padding:20px;animation:fadeIn .2s}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.modal-box{background:#fff;border-radius:12px;max-width:700px;width:100%;max-height:90vh;display:flex;flex-direction:column;animation:slideUp .3s}
@keyframes slideUp{from{transform:translateY(30px);opacity:0}to{transform:translateY(0);opacity:1}}
.modal-box.large{max-width:900px}.modal-box.small{max-width:450px}
.modal-header{padding:16px 20px;border-bottom:1px solid var(--gray-200);display:flex;align-items:center;justify-content:space-between;background:var(--primary-soft);border-radius:12px 12px 0 0}
.modal-title{font-size:18px;font-weight:600;color:var(--primary)}
.modal-close{background:none;border:none;font-size:22px;cursor:pointer;color:var(--gray-500);padding:4px 10px}
.modal-close:hover{color:var(--danger)}
.modal-body{padding:20px;overflow-y:auto;flex:1}
.modal-footer{padding:16px 20px;border-top:1px solid var(--gray-200);display:flex;justify-content:flex-end;gap:10px;background:var(--gray-50);border-radius:0 0 12px 12px}

/* Doc Detail */
.doc-detail{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.doc-detail-item{padding:8px 0}
.doc-detail-label{font-size:12px;color:var(--gray-500);margin-bottom:4px}
.doc-detail-value{font-size:14px;color:var(--gray-900);font-weight:500}
.doc-detail-full{grid-column:1/-1}

/* Ack List */
.ack-list{margin-top:12px;background:var(--gray-50);border-radius:8px;padding:12px}
.ack-item{display:flex;align-items:center;gap:10px;padding:8px;background:#fff;border-radius:6px;margin-bottom:6px}
.ack-item:last-child{margin-bottom:0}
.ack-item-icon{width:32px;height:32px;background:var(--success);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.ack-item-info{flex:1;min-width:0}
.ack-item-name{font-weight:500;font-size:13px}
.ack-item-meta{font-size:11px;color:var(--gray-500)}

/* Tabs */
.tabs{display:flex;gap:4px;border-bottom:2px solid var(--gray-200);margin-bottom:16px;flex-wrap:wrap}
.tab-btn{padding:10px 20px;background:none;border:none;cursor:pointer;font-family:'Sarabun',sans-serif;font-size:14px;color:var(--gray-500);border-bottom:2px solid transparent;margin-bottom:-2px;transition:all .2s;display:flex;align-items:center;gap:6px}
.tab-btn:hover{color:var(--primary)}
.tab-btn.active{color:var(--primary);border-bottom-color:var(--primary);font-weight:600}
.tab-btn .tab-badge{background:var(--danger);color:#fff;padding:1px 7px;border-radius:10px;font-size:10px;font-weight:600}

/* Mobile */
@media(max-width:768px){
  .menu-toggle{display:block}
  .sidebar{transform:translateX(-100%)}
  .sidebar.show{transform:translateX(0)}
  .main-content{margin-left:0}
  .form-row{grid-template-columns:1fr}
  .doc-detail{grid-template-columns:1fr}
  .content-area{padding:16px}
  .topbar{padding:12px 16px}
  .login-box{padding:28px 24px}
  .topbar h2{font-size:16px}
  .welcome-text{display:none}
}