@import "https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;600;700&display=swap";
@import "https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;700&display=swap";
:root{--primary:#e8654a;--primary-light:#ff8a6e;--primary-dark:#c04830;--primary-bg:#fff5f2;--accent:#1b3a5c;--accent-light:#2a5a8c;--accent-dark:#0f2640;--success:#22c55e;--success-bg:#f0fdf4;--warning:#f59e0b;--warning-bg:#fffbeb;--danger:#ef4444;--danger-bg:#fef2f2;--info:#3b82f6;--info-bg:#eff6ff;--bg:#f8f9fc;--bg-card:#fff;--bg-sidebar:#0f1b2d;--bg-sidebar-hover:#1a2c45;--bg-sidebar-active:#e8654a;--text:#1e293b;--text-secondary:#64748b;--text-muted:#94a3b8;--text-sidebar:#cbd5e1;--text-sidebar-active:#fff;--border:#e2e8f0;--border-light:#f1f5f9;--radius-sm:6px;--radius:10px;--radius-lg:14px;--radius-xl:20px;--shadow-sm:0 1px 3px #0000000f;--shadow:0 2px 8px #00000014;--shadow-lg:0 8px 24px #0000001f;--shadow-card:0 1px 3px #0000000a, 0 4px 12px #0000000f;--sidebar-width:240px;--header-height:64px;--transition:all .2s cubic-bezier(.4, 0, .2, 1)}[data-theme=dark],.dark{--bg:#090e1a;--bg-card:#131c2e;--bg-sidebar:#060a12;--bg-sidebar-hover:#18233c;--bg-sidebar-active:#e8654a;--text:#f1f5f9;--text-secondary:#94a3b8;--text-muted:#64748b;--text-sidebar:#94a3b8;--text-sidebar-active:#fff;--border:#1e293b;--border-light:#162032;--primary-bg:#e8654a29;--success-bg:#22c55e29;--warning-bg:#f59e0b29;--danger-bg:#ef444429;--info-bg:#3b82f629;--shadow-sm:0 1px 3px #00000080;--shadow:0 2px 8px #0009;--shadow-lg:0 8px 24px #000000b3;--shadow-card:0 1px 3px #0006, 0 4px 12px #00000080}[data-theme=dark] select,[data-theme=dark] input:not([type=checkbox]):not([type=radio]),[data-theme=dark] textarea{color:#f1f5f9!important;background-color:#162035!important;border-color:#2b3a56!important}[data-theme=dark] select option{color:#f1f5f9;background-color:#131c2e}[data-theme=dark] .table th{color:#94a3b8!important;background-color:#162238!important;border-bottom-color:#24344d!important}[data-theme=dark] .table td{color:#e2e8f0!important;border-bottom-color:#1a273e!important}[data-theme=dark] .table tbody tr:hover{background-color:#18253e!important}[data-theme=dark] .card,[data-theme=dark] .panel,[data-theme=dark] .box,[data-theme=dark] .content-card,[data-theme=dark] .table-container,[data-theme=dark] .stat-card{background:var(--bg-card)!important;border-color:var(--border)!important;color:var(--text)!important}[data-theme=dark] .btn-secondary{color:#cbd5e1!important;background:#162238!important;border-color:#2b3e5e!important}[data-theme=dark] .btn-secondary:hover{color:#f8fafc!important;background:#1e2e4b!important;border-color:#475569!important}[data-theme=dark] .modal-overlay,[data-theme=dark] .modal-backdrop{-webkit-backdrop-filter:blur(12px)!important;background-color:#030712cc!important}[data-theme=dark] .modal,[data-theme=dark] .modal-card,[data-theme=dark] .modal-content{color:#f1f5f9!important;background:#131c2e!important;border-color:#243552!important;box-shadow:0 25px 60px -15px #000000b3,0 0 0 1px #ffffff14!important}[data-theme=dark] .modal-header{background:#131c2e!important;border-bottom-color:#1e293b!important}[data-theme=dark] .modal-title{color:#f1f5f9!important}[data-theme=dark] .modal-close{color:#94a3b8!important;background:#1a273e!important}[data-theme=dark] .modal-close:hover{color:#fca5a5!important;background:#7f1d1d!important}[data-theme=dark] .modal-footer{background:#0f172a!important;border-top-color:#1e293b!important}[data-theme=dark] [style*="background: #ffffff"],[data-theme=dark] [style*="background: #fff"],[data-theme=dark] [style*="background:#ffffff"],[data-theme=dark] [style*="background:#fff"],[data-theme=dark] [style*="background: white"],[data-theme=dark] [style*=background\:white]{color:#f1f5f9!important;background-color:#131c2e!important;border-color:#1e293b!important}[data-theme=dark] [style*="background: #f8fafc"],[data-theme=dark] [style*="background: #f1f5f9"],[data-theme=dark] [style*="background:#f8fafc"],[data-theme=dark] [style*="background:#f1f5f9"]{background-color:#162238!important;border-color:#1f2f4a!important}[data-theme=dark] [style*="color: #1e293b"],[data-theme=dark] [style*="color: #0f172a"],[data-theme=dark] [style*="color: #334155"],[data-theme=dark] [style*="color:#1e293b"],[data-theme=dark] [style*="color:#0f172a"],[data-theme=dark] [style*="color:#334155"]{color:#f1f5f9!important}[data-theme=dark] [style*="color: #475569"],[data-theme=dark] [style*="color: #64748b"],[data-theme=dark] [style*="color:#475569"],[data-theme=dark] [style*="color:#64748b"]{color:#94a3b8!important}[data-theme=dark] [style*="border: 1px solid #e2e8f0"],[data-theme=dark] [style*="border: 1px solid #f1f5f9"],[data-theme=dark] [style*="border: 1px solid #cbd5e1"]{border-color:#1e293b!important}[data-theme=dark] ::-webkit-scrollbar{width:8px;height:8px}[data-theme=dark] ::-webkit-scrollbar-track{background:#090e1a}[data-theme=dark] ::-webkit-scrollbar-thumb{background:#25334c;border-radius:4px}[data-theme=dark] ::-webkit-scrollbar-thumb:hover{background:#3b4e72}*{box-sizing:border-box;margin:0;padding:0}html,body{background:var(--bg);width:100%;height:100%;color:var(--text);-webkit-font-smoothing:antialiased;font-family:Noto Sans SC,-apple-system,BlinkMacSystemFont,sans-serif;font-size:14px;line-height:1.6;overflow-x:hidden}.app-layout{height:100vh;display:flex;overflow:hidden}.app-layout.sidebar-collapsed{--sidebar-width:68px}.sidebar{width:var(--sidebar-width);background:var(--bg-sidebar);transition:var(--transition);z-index:100;flex-direction:column;flex-shrink:0;display:flex;position:relative}.sidebar-logo{border-bottom:1px solid #ffffff0f;align-items:center;gap:12px;padding:20px 24px;transition:padding .2s,gap .2s;display:flex}.sidebar-logo-icon{border-radius:var(--radius);color:#fff;background:0 0;flex-shrink:0;justify-content:center;align-items:center;width:38px;height:38px;font-size:20px;display:flex}.sidebar-logo-text{color:#fff;letter-spacing:.5px;font-size:16px;font-weight:600}.sidebar-logo-sub{color:var(--text-muted);margin-top:2px;font-size:11px}.sidebar-nav{scrollbar-width:none;flex:1;padding:12px;overflow-y:auto}.sidebar-nav::-webkit-scrollbar{display:none}.nav-section{margin-bottom:8px}.nav-section-title{color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;white-space:nowrap;max-height:30px;padding:8px 12px 6px;font-size:11px;font-weight:500;transition:opacity .2s,max-height .2s,padding .2s,margin .2s;overflow:hidden}.sidebar-collapsed .nav-section-title{opacity:0;pointer-events:none;max-height:0;margin:0;padding-top:0;padding-bottom:0}.nav-item{border-radius:var(--radius-sm);color:var(--text-sidebar);transition:var(--transition), padding .2s, gap .2s;cursor:pointer;align-items:center;gap:10px;margin-bottom:2px;padding:10px 12px;font-size:13.5px;font-weight:400;text-decoration:none;display:flex;position:relative}.sidebar-collapsed .nav-item{justify-content:center;gap:0;padding:10px}.nav-item span:not(.nav-item-icon){white-space:nowrap;opacity:1;max-width:150px;transition:opacity .2s,max-width .2s;overflow:hidden}.sidebar-collapsed .nav-item span:not(.nav-item-icon){opacity:0;pointer-events:none;max-width:0}.nav-item:hover{background:var(--bg-sidebar-hover);color:#fff}.nav-item.active{background:var(--bg-sidebar-active);color:var(--text-sidebar-active);font-weight:500}.nav-item-icon{text-align:center;flex-shrink:0;width:24px;font-size:18px}.nav-item-badge{background:var(--primary);color:#fff;border-radius:10px;margin-left:auto;padding:1px 7px;font-size:11px;font-weight:600;transition:opacity .2s}.sidebar-collapsed .nav-item-badge{display:none!important}.main-content{flex-direction:column;flex:1;min-width:0;display:flex;overflow:hidden}.top-bar{height:var(--header-height);background:var(--bg-card);border-bottom:1px solid var(--border);flex-shrink:0;justify-content:space-between;align-items:center;padding:0 28px;display:flex}.top-bar-left{align-items:center;gap:16px;display:flex}.page-title{color:var(--text);font-size:18px;font-weight:600}.breadcrumb{color:var(--text-muted);align-items:center;gap:6px;font-size:13px;display:flex}.breadcrumb span{color:var(--text-secondary)}.top-bar-right{align-items:center;gap:12px;display:flex}.top-bar-btn{border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--bg-card);cursor:pointer;width:38px;height:38px;transition:var(--transition);color:var(--text-secondary);justify-content:center;align-items:center;font-size:18px;display:flex}.top-bar-btn:hover{background:var(--bg);border-color:var(--primary);color:var(--primary)}.page-content{flex:1;padding:24px 28px;overflow-y:auto}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-bottom:24px;display:grid}.stat-card{background:var(--bg-card);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);transition:var(--transition);border:1px solid var(--border-light);align-items:flex-start;gap:16px;padding:20px 22px;display:flex}.stat-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}.stat-icon{border-radius:var(--radius);flex-shrink:0;justify-content:center;align-items:center;width:48px;height:48px;font-size:24px;display:flex}.stat-icon.orange{background:var(--primary-bg);color:var(--primary)}.stat-icon.blue{background:var(--info-bg);color:var(--info)}.stat-icon.green{background:var(--success-bg);color:var(--success)}.stat-icon.yellow{background:var(--warning-bg);color:var(--warning)}.stat-icon.red{background:var(--danger-bg);color:var(--danger)}.stat-icon.purple{color:#9333ea;background:#faf5ff}.stat-info{flex:1}.stat-label{color:var(--text-secondary);margin-bottom:4px;font-size:13px}.stat-value{color:var(--text);font-size:26px;font-weight:700;line-height:1.2}.stat-change{align-items:center;gap:4px;margin-top:4px;font-size:12px;display:flex}.stat-change.up{color:var(--success)}.stat-change.down{color:var(--danger)}.table-container{background:var(--bg-card);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);border:1px solid var(--border-light);overflow:hidden}.table-header{border-bottom:1px solid var(--border);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding:16px 20px;display:flex}.table-title{color:var(--text);font-size:15px;font-weight:600}.table-actions{align-items:center;gap:8px;display:flex}.table-wrapper{overflow-x:auto}table{border-collapse:collapse;width:100%}thead th{text-align:left;color:var(--text-secondary);background:var(--bg);border-bottom:1px solid var(--border);white-space:nowrap;text-transform:uppercase;letter-spacing:.5px;padding:12px 16px;font-size:12px;font-weight:600}tbody td{color:var(--text);border-bottom:1px solid var(--border-light);white-space:nowrap;padding:12px 16px;font-size:13.5px}tbody tr{transition:var(--transition)}tbody tr:hover{background:var(--primary-bg)}tbody tr:last-child td{border-bottom:none}.table-footer{border-top:1px solid var(--border);color:var(--text-secondary);justify-content:space-between;align-items:center;padding:12px 20px;font-size:13px;display:flex}.btn{border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition);white-space:nowrap;border:1px solid #0000;align-items:center;gap:6px;padding:8px 16px;font-family:inherit;font-size:13px;font-weight:500;text-decoration:none;display:inline-flex}.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary)}.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:0 4px 12px #e8654a4d}.btn-secondary{background:var(--bg-card);color:var(--text-secondary);border-color:var(--border)}.btn-secondary:hover{background:var(--bg);color:var(--text);border-color:var(--text-muted)}.btn-success{background:var(--success);color:#fff}.btn-success:hover{background:#16a34a;transform:translateY(-1px)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{background:#dc2626}.btn-sm{padding:5px 10px;font-size:12px}.btn-icon{justify-content:center;width:34px;height:34px;padding:0}.input,.select{border-radius:var(--radius-sm);border:1px solid var(--border);color:var(--text);background:var(--bg-card);transition:var(--transition);outline:none;width:100%;padding:8px 12px;font-family:inherit;font-size:13px}.input:focus,.select:focus{border-color:var(--primary);box-shadow:0 0 0 3px #e8654a1a}.input::placeholder{color:var(--text-muted)}.search-input{position:relative}.search-input .input{padding-left:36px}.search-input-icon{color:var(--text-muted);font-size:15px;position:absolute;top:50%;left:12px;transform:translateY(-50%)}.badge{border-radius:20px;align-items:center;padding:3px 10px;font-size:12px;font-weight:500;display:inline-flex}.badge-success{background:var(--success-bg);color:#15803d}.badge-warning{background:var(--warning-bg);color:#b45309}.badge-danger{background:var(--danger-bg);color:#dc2626}.badge-info{background:var(--info-bg);color:#2563eb}.badge-default{background:var(--bg);color:var(--text-secondary)}.modal-overlay{-webkit-backdrop-filter:blur(8px);z-index:9999;background:#0f172aa6;justify-content:center;align-items:center;padding:20px;animation:.2s cubic-bezier(.16,1,.3,1) fadeIn;display:flex;position:fixed;inset:0}.modal,.modal-card{background:var(--bg-card,#fff);scrollbar-width:thin;scrollbar-color:#cbd5e1 transparent;border:1px solid #e2e8f0e6;border-radius:20px;width:92%;max-width:680px;max-height:88vh;animation:.25s cubic-bezier(.16,1,.3,1) slideUp;overflow-y:auto;box-shadow:0 25px 50px -12px #0f172a40,0 0 0 1px #0000000a}.modal::-webkit-scrollbar{width:6px}.modal-card::-webkit-scrollbar{width:6px}.modal::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:3px}.modal-card::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:3px}.modal-header{background:#fff;border-bottom:1px solid #f1f5f9;justify-content:space-between;align-items:center;padding:18px 24px;display:flex}.modal-title{color:#0f172a;letter-spacing:-.02em;align-items:center;gap:8px;font-size:18px;font-weight:800;display:flex}.modal-close{cursor:pointer;color:#64748b;background:#f1f5f9;border:none;border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;font-size:15px;font-weight:700;transition:all .2s;display:flex}.modal-close:hover{color:#ef4444;background:#fee2e2;transform:rotate(90deg)}.modal-body{padding:22px 26px}.modal-footer{background:#f8fafc;border-top:1px solid #f1f5f9;border-bottom-right-radius:20px;border-bottom-left-radius:20px;justify-content:flex-end;align-items:center;gap:12px;padding:16px 26px;display:flex}.chip-pill-group{flex-wrap:wrap;gap:8px;display:flex}.chip-pill{color:#475569;cursor:pointer;-webkit-user-select:none;user-select:none;background:#fff;border:1px solid #e2e8f0;border-radius:10px;align-items:center;gap:5px;padding:6px 14px;font-size:13px;font-weight:600;transition:all .15s cubic-bezier(.4,0,.2,1);display:inline-flex}.chip-pill:hover{background:#f8fafc;border-color:#cbd5e1;transform:translateY(-1px)}.chip-pill.active{color:#fff;background:#4f46e5;border-color:#4f46e5;box-shadow:0 2px 6px #4f46e54d}.chip-pill.active-blue{color:#fff;background:#0284c7;border-color:#0284c7;box-shadow:0 2px 6px #0284c74d}.form-group{margin-bottom:16px}.form-label{color:var(--text);margin-bottom:6px;font-size:13px;font-weight:500;display:block}.form-label .required{color:var(--danger);margin-left:2px}.form-row{grid-template-columns:1fr 1fr;gap:16px;display:grid}.empty-state{text-align:center;color:var(--text-muted);padding:60px 20px}.empty-state-icon{opacity:.5;margin-bottom:16px;font-size:48px}.empty-state-text{color:var(--text-secondary);margin-bottom:8px;font-size:15px}.empty-state-sub{font-size:13px}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)scale(.98)}to{opacity:1;transform:translateY(0)scale(1)}}@keyframes slideIn{0%{opacity:0;transform:translate(-10px)}to{opacity:1;transform:translate(0)}}.animate-in{animation:.35s cubic-bezier(.4,0,.2,1) forwards fadeIn}.pagination{align-items:center;gap:4px;display:flex}.pagination-btn{border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--bg-card);cursor:pointer;width:32px;height:32px;color:var(--text-secondary);transition:var(--transition);justify-content:center;align-items:center;font-size:13px;display:flex}.pagination-btn:hover{border-color:var(--primary);color:var(--primary)}.pagination-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}.pagination-btn:disabled{opacity:.4;cursor:not-allowed}.mobile-only{display:none!important}@media (max-width:768px){.sidebar{display:flex}.stats-grid{grid-template-columns:1fr 1fr}.form-row{grid-template-columns:1fr}.page-content{padding:10px}.mobile-hide{display:none!important}.mobile-only{display:block!important}.table-wrapper{-webkit-overflow-scrolling:touch;overflow-x:auto}.table-container th,.table-container td{padding:8px 6px!important;font-size:12px!important}.table-container td .btn-sm{border-radius:6px!important;padding:3px 6px!important;font-size:11px!important}}.loading-spinner{justify-content:center;align-items:center;padding:40px;display:flex}.spinner{border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;width:32px;height:32px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.6;transform:scale(1.2)}}.toast{border-radius:var(--radius);z-index:2000;box-shadow:var(--shadow-lg);padding:12px 20px;font-size:13px;font-weight:500;animation:.3s slideIn;position:fixed;top:20px;right:20px}.toast-success{background:var(--success);color:#fff}.toast-error{background:var(--danger);color:#fff}.toast-info{background:var(--info);color:#fff}.tabs{border-bottom:2px solid var(--border-light);gap:0;margin-bottom:20px;display:flex}.tab{color:var(--text-secondary);cursor:pointer;transition:var(--transition);background:0 0;border:none;border-bottom:2px solid #0000;margin-bottom:-2px;padding:10px 20px;font-family:inherit;font-size:13.5px;font-weight:500}.tab:hover{color:var(--primary)}.tab.active{color:var(--primary);border-bottom-color:var(--primary)}.confirm-text{color:var(--text-secondary);font-size:14px;line-height:1.6}.workflow-view{flex-direction:column;gap:16px;display:flex}.workflow-header-actions{border-radius:var(--radius-lg);border:1px solid var(--border-light);box-shadow:var(--shadow-sm);background:#fff;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding:12px 16px;display:flex}.evening-session-bar{border-radius:var(--radius-lg,12px);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:4px;padding:12px 18px;transition:all .2s;display:flex;box-shadow:0 1px 3px #0000000a}.evening-session-bar.session-ongoing{background:linear-gradient(135deg,#ecfdf5 0%,#f0fdf4 100%);border:1px solid #a7f3d0}.evening-session-bar.session-pending{background:linear-gradient(135deg,#fffbeb 0%,#fef3c7 100%);border:1px solid #fde68a}.evening-session-bar.session-ended{background:linear-gradient(135deg,#f5f3ff 0%,#ede9fe 100%);border:1px solid #c4b5fd}.evening-session-bar.session-cancelled{background:#fef2f2;border:1px solid #fca5a5}.evening-session-header{cursor:pointer;flex-wrap:wrap;flex:1;align-items:center;gap:12px;min-width:0;display:flex}.evening-session-meta{flex-wrap:wrap;align-items:center;gap:10px;min-width:0;display:flex}.evening-session-status-badge{white-space:nowrap;align-items:center;gap:6px;font-size:13.5px;font-weight:700;display:inline-flex}.evening-session-status-badge .status-dot{border-radius:50%;flex-shrink:0;width:8px;height:8px}.evening-session-course-tag{color:#4b5563;white-space:nowrap;font-size:13px;font-weight:600}.evening-session-time-text{color:#9ca3af;white-space:nowrap;font-size:11.5px}.evening-session-toggle-pill{white-space:nowrap;-webkit-user-select:none;user-select:none;border-radius:12px;align-items:center;gap:4px;padding:2px 8px;font-size:11px;font-weight:700;display:inline-flex}.evening-session-controls{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.evening-session-stats{color:#4b5563;white-space:nowrap;align-items:center;gap:6px;font-size:12px;display:inline-flex}.evening-session-action-btns{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.btn-evening-hold{color:#b45309!important;cursor:pointer!important;background:#fef3c7!important;border:1px solid #fde68a!important;font-weight:600!important;transition:all .15s!important}.btn-evening-hold:hover{color:#92400e!important;background:#fde68a!important}.btn-evening-end{color:#4338ca!important;background:#fff!important;border:1px solid #c7d2fe!important;font-weight:600!important}.btn-evening-end:hover{background:#e0e7ff!important}.btn-evening-cancel{color:#dc2626!important;border-color:#fecaca!important}.workflow-grid{grid-template-columns:repeat(auto-fill,minmax(172px,1fr));gap:10px;margin-top:4px;display:grid}.workflow-card{border:1px solid var(--border-light);border-left:3.5px solid var(--border-light);background:#fff;border-radius:10px;flex-direction:column;min-height:0;padding:0;transition:border-color .15s,box-shadow .15s;display:flex;position:relative;overflow:hidden;box-shadow:0 1px 3px #0000000a}.workflow-card:hover{border-color:#4f46e540;transform:translateY(-2px);box-shadow:0 6px 18px #4f46e514,0 2px 4px 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