:root{--bg: #f8fafc;--bg-card: #ffffff;--border: #e2e8f0;--border-strong: #cbd5e1;--text-main: #0f172a;--text-muted: #64748b;--text-sub: #475569;--primary: #0284c7;--primary-hover: #0369a1;--primary-light: #f0f9ff;--accent-orange: #f59e0b;--accent-orange-light: #fffbeb;--success: #10b981;--success-light: #ecfdf5;--danger: #ef4444;--danger-light: #fef2f2;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-full: 9999px;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .05), 0 2px 4px -2px rgba(0, 0, 0, .05);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .07), 0 4px 6px -4px rgba(0, 0, 0, .05);--sidebar-w: 260px;--header-h: 64px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Plus Jakarta Sans,Sarabun,-apple-system,BlinkMacSystemFont,sans-serif;background-color:var(--bg);color:var(--text-main);line-height:1.5;-webkit-font-smoothing:antialiased}.app-container{display:flex;min-height:100vh}.main-content{flex:1;display:flex;flex-direction:column;min-width:0;margin-left:var(--sidebar-w);transition:margin-left .2s ease}.page-body{flex:1;padding:24px 32px 64px;max-width:1200px;width:100%;margin:0 auto}@media (max-width: 900px){.main-content{margin-left:0}.page-body{padding:16px 16px 48px}}.sidebar{position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);background:#fff;border-right:1px solid var(--border);display:flex;flex-direction:column;z-index:50;transition:transform .25s ease}.sidebar-header{height:var(--header-h);padding:0 20px;display:flex;align-items:center;gap:12px;border-bottom:1px solid var(--border)}.sidebar-logo{width:36px;height:36px;border-radius:var(--radius-md);background:linear-gradient(135deg,#0284c7,#38bdf8);color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;box-shadow:0 2px 8px #0284c74d}.sidebar-title{font-weight:800;font-size:18px;color:#0f172a;letter-spacing:-.3px}.sidebar-title span{color:var(--primary)}.sidebar-nav{flex:1;overflow-y:auto;padding:16px 12px;display:flex;flex-direction:column;gap:4px}.nav-section-title{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);padding:12px 12px 4px}.nav-item{display:flex;align-items:center;gap:12px;padding:10px 14px;border-radius:var(--radius-md);color:var(--text-sub);font-size:14px;font-weight:500;text-decoration:none;cursor:pointer;border:1px solid transparent;transition:all .15s ease}.nav-item:hover{background:#f1f5f9;color:var(--text-main)}.nav-item.active{background:var(--primary-light);color:var(--primary);font-weight:600;border-color:#bae6fd}.nav-item .badge-pill{margin-left:auto;font-size:11px;padding:2px 8px;border-radius:var(--radius-full);background:var(--accent-orange-light);color:var(--accent-orange);font-weight:700}.sidebar-footer{padding:16px;border-top:1px solid var(--border);background:#fff}.user-mini-card{display:flex;align-items:center;gap:12px;padding:8px 10px;border-radius:var(--radius-md);background:#f8fafc;border:1px solid var(--border)}.user-avatar{width:36px;height:36px;border-radius:var(--radius-full);background:#e2e8f0;object-fit:cover}.top-header{height:var(--header-h);background:#fff;border-bottom:1px solid var(--border);padding:0 32px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:40}@media (max-width: 900px){.top-header{padding:0 16px}}.page-title-row{display:flex;align-items:center;gap:12px}.mobile-menu-btn{display:none;background:none;border:1px solid var(--border);padding:6px 10px;border-radius:var(--radius-sm);cursor:pointer}@media (max-width: 900px){.mobile-menu-btn{display:flex}.sidebar{transform:translate(-100%)}.sidebar.open{transform:translate(0);box-shadow:0 0 30px #00000026}}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-sm);margin-bottom:20px}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.card-title{font-size:17px;font-weight:700;color:var(--text-main);display:flex;align-items:center;gap:8px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:9px 18px;font-size:14px;font-weight:600;border-radius:var(--radius-md);cursor:pointer;transition:all .15s ease;border:1px solid transparent;text-decoration:none}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 1px 2px #0284c733}.btn-primary:hover{background:var(--primary-hover)}.btn-secondary{background:#fff;border-color:var(--border-strong);color:var(--text-sub)}.btn-secondary:hover{background:#f8fafc;color:var(--text-main)}.btn-danger{background:var(--danger-light);border-color:#fecaca;color:var(--danger)}.btn-danger:hover{background:#fee2e2}.btn-success{background:var(--success);color:#fff}.btn-sm{padding:5px 12px;font-size:12.5px;border-radius:var(--radius-sm)}.btn-lg{padding:14px 28px;font-size:16px;border-radius:var(--radius-md)}.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;font-size:12px;font-weight:600;border-radius:var(--radius-full);border:1px solid transparent}.badge-blue{background:var(--primary-light);color:var(--primary);border-color:#bae6fd}.badge-green{background:var(--success-light);color:var(--success);border-color:#a7f3d0}.badge-amber{background:var(--accent-orange-light);color:var(--accent-orange);border-color:#fde68a}.badge-gray{background:#f1f5f9;color:#64748b;border-color:#e2e8f0}.table-container{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius-md);background:#fff}table{width:100%;border-collapse:collapse;text-align:left;font-size:14px}th{background:#f8fafc;padding:12px 16px;font-weight:600;color:var(--text-muted);border-bottom:1px solid var(--border);font-size:13px}td{padding:14px 16px;border-bottom:1px solid var(--border);color:var(--text-sub)}tr:last-child td{border-bottom:none}tr:hover td{background:#fcfdfe}.form-group{margin-bottom:16px}.form-label{display:block;font-size:13px;font-weight:600;color:var(--text-sub);margin-bottom:6px}.form-control{width:100%;padding:10px 14px;font-size:14px;border:1px solid var(--border-strong);border-radius:var(--radius-md);background:#fff;color:var(--text-main);outline:none;transition:border-color .15s ease}.form-control:focus{border-color:var(--primary);box-shadow:0 0 0 3px #0284c71f}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-bottom:24px}.stat-box{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px;box-shadow:var(--shadow-sm);display:flex;align-items:center;gap:16px}.stat-icon{width:48px;height:48px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:22px}.stat-num{font-size:24px;font-weight:800;color:var(--text-main);line-height:1.2}.stat-label{font-size:13px;color:var(--text-muted);font-weight:500}.hero-box{background:linear-gradient(180deg,#fff,#f0f9ff);border:1px solid var(--border);border-radius:var(--radius-lg);padding:56px 32px;text-align:center;margin-bottom:32px;box-shadow:var(--shadow-sm)}.hero-box h1{font-size:clamp(28px,4vw,42px);font-weight:800;letter-spacing:-.5px;color:#0f172a;margin-bottom:12px}.hero-box p.lead{font-size:17px;color:var(--text-muted);max-width:620px;margin:0 auto 28px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a66;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:100;padding:16px}.modal-card{background:#fff;border-radius:var(--radius-lg);max-width:520px;width:100%;padding:28px;box-shadow:var(--shadow-lg);border:1px solid var(--border);animation:popIn .2s ease}@keyframes popIn{0%{opacity:0;transform:scale(.96)}to{opacity:1;transform:scale(1)}}.toast-msg{position:fixed;bottom:24px;right:24px;padding:12px 20px;background:#0f172a;color:#fff;font-size:14px;font-weight:500;border-radius:var(--radius-md);box-shadow:var(--shadow-lg);z-index:200;animation:slideUp .2s ease}@keyframes slideUp{0%{transform:translateY(12px);opacity:0}to{transform:translateY(0);opacity:1}}