:root{--bg:#f5f6fa;--bg-card:#ffffff;--bg-hover:#f0f1f5;--bg-input:#ffffff;--border:#e2e5ed;--text:#1a1d27;--text-muted:#6b7085;--accent:#fbba00;--accent-hover:#e5aa00;--green:#16a34a;--red:#dc2626;--orange:#d97706;--blue:#2563eb;--radius:8px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-hover)}.app-layout{display:flex;min-height:100vh}.sidebar{width:240px;background:#4f565a;padding:0;position:fixed;top:0;left:0;height:100vh;overflow-y:auto;z-index:100;display:flex;flex-direction:column;transition:width .2s ease}.sidebar.collapsed{width:60px;overflow:visible}.sidebar-top{display:flex;align-items:center;justify-content:space-between;padding:16px 14px 12px;border-bottom:1px solid rgba(255,255,255,.08);margin-bottom:8px;gap:8px}.sidebar.collapsed .sidebar-top{justify-content:center;padding:16px 8px 12px;flex-direction:column;gap:4px}.sidebar-toggle{display:flex;align-items:center;justify-content:center;width:28px;height:28px;border:none;border-radius:6px;background:transparent;color:#64748b;cursor:pointer;transition:all .15s;flex-shrink:0}.sidebar-toggle:hover{background:rgba(255,255,255,.1);color:#cbd5e1}.sidebar-logo{font-size:18px;font-weight:700;color:#ffffff;letter-spacing:.5px;white-space:nowrap;overflow:hidden;transition:font-size .2s ease}.sidebar.collapsed .sidebar-logo{font-size:20px;text-align:center;letter-spacing:0}.sidebar-nav{flex:1 1}.sidebar-nav a{display:flex;align-items:center;gap:10px;padding:10px 20px;color:#94a3b8;font-size:14px;transition:all .15s;border-left:3px solid transparent;position:relative;white-space:nowrap;overflow:hidden}.sidebar.collapsed .sidebar-nav a{justify-content:center;padding:10px 0;border-left:3px solid transparent}.sidebar-nav a:hover{background:rgba(255,255,255,.05);color:#cbd5e1}.sidebar-nav a.active{background:rgba(255,255,255,.1);color:#ffffff;border-left:3px solid var(--accent)}.nav-icon-wrap{position:relative;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}.nav-badge-dot{position:absolute;top:-3px;right:-5px;width:8px;height:8px;border-radius:50%;background:var(--accent)}.sidebar.collapsed .sidebar-nav a:after{content:attr(title);position:absolute;left:100%;top:50%;transform:translateY(-50%);margin-left:8px;padding:4px 10px;background:#3a4044;color:#e2e8f0;font-size:13px;border-radius:6px;white-space:nowrap;pointer-events:none;opacity:0;transition:opacity .15s;z-index:200;box-shadow:0 2px 8px rgba(0,0,0,.3)}.sidebar.collapsed .sidebar-nav a:hover:after{opacity:1}.sidebar-footer{padding:16px 20px;border-top:1px solid rgba(255,255,255,.08)}.sidebar.collapsed .sidebar-footer{padding:12px 8px}.sidebar-user-name{font-size:13px;color:#94a3b8;margin-bottom:10px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sidebar-logout-btn{display:flex;align-items:center;gap:8px;width:100%;padding:8px 12px;border:none;border-radius:var(--radius);background:rgba(255,255,255,.05);color:#94a3b8;font-size:13px;cursor:pointer;transition:all .15s}.sidebar.collapsed .sidebar-logout-btn{justify-content:center;padding:8px}.sidebar-logout-btn:hover{background:rgba(239,68,68,.15);color:#f87171}.main-content{margin-left:240px;flex:1 1;padding:16px 32px 24px;min-height:100vh;transition:margin-left .2s ease;position:relative}.sidebar-collapsed .main-content{margin-left:60px}.nav-label{flex:1 1}.nav-badge{display:inline-flex;align-items:center;justify-content:center;min-width:20px;height:20px;padding:0 6px;border-radius:10px;font-size:11px;font-weight:700;background:var(--accent);color:#fff;line-height:1}.top-bar-actions{position:absolute;top:16px;right:32px;display:flex;align-items:center;gap:12px;z-index:10}.top-header-bell{position:relative;display:flex;align-items:center;justify-content:center;width:40px;height:40px;border:1px solid var(--border);border-radius:50%;background:var(--bg-card);color:var(--text-muted);cursor:pointer;transition:all .15s}.top-header-bell:hover{border-color:var(--accent);color:var(--accent)}.bell-badge{position:absolute;top:-2px;right:-2px;min-width:18px;height:18px;padding:0 5px;border-radius:9px;font-size:10px;font-weight:700;background:var(--red);color:#fff;display:flex;align-items:center;justify-content:center;line-height:1}.bell-dropdown{position:absolute;top:48px;right:0;width:300px;background:var(--bg-card);border:1px solid var(--border);border-radius:12px;box-shadow:0 8px 32px rgba(0,0,0,.12);z-index:50;overflow:hidden}.bell-dropdown-title{padding:14px 20px 10px;font-size:.8125rem;font-weight:700;color:var(--text);border-bottom:1px solid var(--border)}.bell-dropdown-item{display:flex;align-items:center;gap:10px;padding:12px 20px;font-size:.8125rem;color:var(--text);transition:background .15s;text-decoration:none}.bell-dropdown-item:hover{background:var(--bg-hover);color:var(--text)}.bell-dropdown-count{margin-left:auto;min-width:22px;height:22px;padding:0 6px;border-radius:11px;font-size:11px;font-weight:700;background:var(--red);color:#fff}.bell-dropdown-count,.top-header-user{display:flex;align-items:center;justify-content:center}.top-header-user{width:36px;height:36px;border-radius:50%;background:rgba(251,186,0,.12);color:var(--accent)}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.page-header h1{font-size:24px;font-weight:700}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px}.kpi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));grid-gap:16px;gap:16px;margin-bottom:24px}.kpi-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px}.kpi-card .label{font-size:13px;color:var(--text-muted);margin-bottom:4px}.kpi-card .value{font-size:28px;font-weight:700}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:14px}th{text-align:left;color:var(--text-muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.5px}td,th{padding:10px 12px;border-bottom:1px solid var(--border);white-space:nowrap}tr:hover td{background:var(--bg-hover)}.badge{display:inline-block;padding:2px 8px;border-radius:4px;font-size:12px;font-weight:600}.badge-green{background:rgba(34,197,94,.15);color:var(--green)}.badge-red{background:rgba(239,68,68,.15);color:var(--red)}.badge-orange{background:rgba(245,158,11,.15);color:var(--orange)}.badge-blue{background:rgba(59,130,246,.15);color:var(--blue)}.badge-gray{background:rgba(139,141,154,.15);color:var(--text-muted)}.badge-purple{background:#f3e8ff;color:#7c3aed}.badge-indigo{background:rgba(251,186,0,.15);color:#b8860b}.badge-warning{background:rgba(251,146,60,.15);color:#ea580c}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border:none;border-radius:var(--radius);font-size:14px;font-weight:500;cursor:pointer;transition:all .15s}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent);color:#4d3907}.btn-primary:hover:not(:disabled){background:var(--accent-hover)}.btn-green{background:rgba(34,197,94,.15);color:var(--green)}.btn-green:hover:not(:disabled){background:rgba(34,197,94,.25)}.btn-red{background:rgba(239,68,68,.15);color:var(--red)}.btn-red:hover:not(:disabled){background:rgba(239,68,68,.25)}.btn-blue{background:#3b82f6;color:#fff;border-color:#3b82f6}.btn-blue:hover:not(:disabled){background:#2563eb}.btn-purple{background:rgba(168,85,247,.15);color:#c084fc}.btn-purple:hover:not(:disabled){background:rgba(168,85,247,.25)}.btn-sm{padding:4px 10px;font-size:13px}input,select,textarea{background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);padding:8px 12px;font-size:14px;width:100%}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent)}.input-group{display:flex;gap:12px;margin-bottom:16px}.input-group input,.input-group select{flex:1 1}label{display:block;font-size:13px;color:var(--text-muted);margin-bottom:4px}.filters{display:flex;gap:12px;margin-bottom:16px;flex-wrap:wrap;align-items:center}.filters input,.filters select{width:auto;min-width:160px}.message-list{display:flex;flex-direction:column;gap:12px;max-height:400px;overflow-y:auto;padding:12px}.message{padding:10px 14px;border-radius:12px;max-width:70%;font-size:14px}.message-user{align-self:flex-end;background:var(--bg-hover)}.message-support{align-self:flex-start;background:rgba(251,186,0,.12)}.message-meta{font-size:11px;color:var(--text-muted);margin-top:4px}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);grid-gap:16px;gap:16px}.form-group{display:flex;flex-direction:column}.form-group.full{grid-column:1/-1}.login-container{display:flex;align-items:center;justify-content:center;min-height:100vh}.login-card{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:40px;width:100%;max-width:400px}.login-card h1{text-align:center;margin-bottom:8px;font-size:22px}.login-card .subtitle{text-align:center;color:var(--text-muted);font-size:14px;margin-bottom:28px}.login-card .form-group{margin-bottom:16px}.login-card .btn{width:100%;justify-content:center;padding:12px;font-size:15px}.error-msg{color:var(--red);font-size:14px;margin-bottom:12px;text-align:center}.mt-4{margin-top:16px}.mb-4{margin-bottom:16px}.gap-2{gap:8px}.flex{display:flex}.items-center{align-items:center}.justify-between{justify-content:space-between}.text-muted{color:var(--text-muted)}.text-sm{font-size:13px}.font-mono{font-family:monospace}tr[style*="cursor: pointer"]:hover td,tr[style*="cursor:pointer"]:hover td{background:var(--bg-hover)}.detail-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:16px;gap:16px;margin-bottom:16px}@media (max-width:768px){.detail-grid{grid-template-columns:1fr}}.loading{display:flex;align-items:center;justify-content:center;padding:60px;color:var(--text-muted)}.toggle-group{display:flex;gap:6px;flex-wrap:wrap}.toggle-btn{display:inline-flex;align-items:center;gap:4px;padding:5px 12px;border:1px solid var(--border);border-radius:20px;font-size:13px;font-weight:500;background:transparent;color:var(--text-muted);cursor:pointer;transition:all .15s}.toggle-btn:hover{border-color:var(--accent);color:var(--accent)}.toggle-btn.active{background:var(--accent);color:#fff;border-color:var(--accent)}