:root{--bg: #0C0E11;--surface: #13161A;--surface-2: #1A1E23;--surface-3: #22272E;--border: #2A3038;--border-light: #333C47;--text: #DDE1E7;--text-2: #8B96A5;--text-3: #566070;--blue: #1B7EF2;--blue-dim: #1B7EF218;--blue-hover: #3A8FF4;--blue-dark: #124BB8;--green: #2EA043;--green-dim: #2EA04318;--yellow: #D29922;--yellow-dim: #D2992218;--red: #F85149;--red-dim: #F8514918;--orange: #E06C2E;--orange-dim: #E06C2E18;--font-display: "Syne", sans-serif;--font-body: "IBM Plex Sans", sans-serif;--font-mono: "IBM Plex Mono", monospace;--sidebar-w: 220px;--topbar-h: 56px;--radius: 6px;--radius-lg: 10px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{background:var(--bg);color:var(--text);font-family:var(--font-body);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}a{color:var(--blue);text-decoration:none}a:hover{color:var(--blue-hover)}button{cursor:pointer;font-family:inherit}input,select,textarea{font-family:inherit}::-webkit-scrollbar{width:5px;height:5px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--border-light)}.layout{display:flex;height:100%}.layout-main{flex:1;display:flex;flex-direction:column;overflow:hidden;margin-left:var(--sidebar-w)}.page{flex:1;overflow-y:auto;padding:28px 32px}.sidebar{position:fixed;left:0;top:0;bottom:0;width:var(--sidebar-w);background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;z-index:100}.sidebar-logo{padding:20px 18px 16px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:10px}.sidebar-logo-mark{width:28px;height:28px;background:var(--blue);border-radius:6px;display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-weight:800;font-size:13px;color:#fff;letter-spacing:-.5px;flex-shrink:0}.sidebar-logo-text{font-family:var(--font-display);font-weight:700;font-size:15px;color:var(--text);letter-spacing:-.3px}.sidebar-nav{flex:1;overflow-y:auto;padding:10px}.sidebar-section{margin-bottom:4px}.sidebar-section-label{font-size:10px;font-weight:600;letter-spacing:.8px;text-transform:uppercase;color:var(--text-3);padding:10px 8px 4px}.sidebar-link{display:flex;align-items:center;gap:9px;padding:7px 8px;border-radius:var(--radius);color:var(--text-2);font-size:13.5px;font-weight:400;transition:background .12s,color .12s;position:relative}.sidebar-link:hover{background:var(--surface-2);color:var(--text)}.sidebar-link.active{background:var(--blue-dim);color:var(--blue);font-weight:500}.sidebar-link svg{width:15px;height:15px;flex-shrink:0;opacity:.8}.sidebar-link.active svg{opacity:1}.sidebar-footer{padding:12px;border-top:1px solid var(--border)}.sidebar-user{display:flex;align-items:center;gap:9px;padding:7px 8px;border-radius:var(--radius)}.sidebar-avatar{width:26px;height:26px;background:var(--blue);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:600;color:#fff;flex-shrink:0}.sidebar-user-info{flex:1;min-width:0}.sidebar-user-name{font-size:12.5px;font-weight:500;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar-user-role{font-size:11px;color:var(--text-3)}.topbar{height:var(--topbar-h);background:var(--surface);border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 32px;gap:16px;flex-shrink:0}.topbar-breadcrumb{flex:1;display:flex;align-items:center;gap:8px}.topbar-title{font-family:var(--font-display);font-size:15px;font-weight:600;color:var(--text)}.topbar-actions{display:flex;align-items:center;gap:8px}.btn{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:var(--radius);font-size:13px;font-weight:500;border:none;transition:background .12s,opacity .12s;white-space:nowrap}.btn:disabled{opacity:.4;pointer-events:none}.btn svg{width:14px;height:14px}.btn-primary{background:var(--blue);color:#fff}.btn-primary:hover{background:var(--blue-hover)}.btn-secondary{background:var(--surface-2);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{background:var(--surface-3)}.btn-ghost{background:transparent;color:var(--text-2)}.btn-ghost:hover{background:var(--surface-2);color:var(--text)}.btn-danger{background:var(--red-dim);color:var(--red);border:1px solid transparent}.btn-danger:hover{background:#f8514922}.btn-success{background:var(--green-dim);color:var(--green);border:1px solid transparent}.btn-success:hover{background:#2ea04322}.btn-sm{padding:5px 10px;font-size:12px}.btn-lg{padding:10px 20px;font-size:14px}.btn-icon{padding:7px;background:var(--surface-2);color:var(--text-2);border:1px solid var(--border);border-radius:var(--radius)}.btn-icon:hover{background:var(--surface-3);color:var(--text)}.btn-icon svg{width:15px;height:15px}.form-group{display:flex;flex-direction:column;gap:5px}.form-label{font-size:12px;font-weight:500;color:var(--text-2);letter-spacing:.2px}.form-control{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);padding:8px 11px;font-size:13.5px;font-family:var(--font-body);transition:border-color .12s;width:100%}.form-control:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-dim)}.form-control::placeholder{color:var(--text-3)}.form-control:disabled{opacity:.5;cursor:not-allowed}select.form-control{cursor:pointer}.form-hint{font-size:11.5px;color:var(--text-3)}.form-error{font-size:11.5px;color:var(--red)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.form-grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.card-title{font-family:var(--font-display);font-size:14px;font-weight:600;color:var(--text)}.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px;display:flex;flex-direction:column;gap:8px}.stat-label{font-size:11.5px;font-weight:600;letter-spacing:.5px;text-transform:uppercase;color:var(--text-3)}.stat-value{font-family:var(--font-mono);font-size:32px;font-weight:500;color:var(--text);line-height:1}.stat-sub{font-size:12px;color:var(--text-3)}.stat-card.blue .stat-value{color:var(--blue)}.stat-card.green .stat-value{color:var(--green)}.stat-card.red .stat-value{color:var(--red)}.stat-card.yellow .stat-value{color:var(--yellow)}.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--surface)}table{width:100%;border-collapse:collapse}th{text-align:left;padding:10px 14px;font-size:11px;font-weight:600;letter-spacing:.5px;text-transform:uppercase;color:var(--text-3);border-bottom:1px solid var(--border);background:var(--surface);white-space:nowrap}td{padding:11px 14px;font-size:13.5px;color:var(--text);border-bottom:1px solid var(--border);vertical-align:middle}tr:last-child td{border-bottom:none}tr{transition:background .1s}tr:hover td{background:var(--surface-2)}.td-mono{font-family:var(--font-mono);font-size:12.5px;color:var(--text-2)}.td-dim{color:var(--text-2)}.badge{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;border-radius:100px;font-size:11.5px;font-weight:500;white-space:nowrap}.badge-green{background:var(--green-dim);color:var(--green)}.badge-red{background:var(--red-dim);color:var(--red)}.badge-yellow{background:var(--yellow-dim);color:var(--yellow)}.badge-blue{background:var(--blue-dim);color:var(--blue)}.badge-gray{background:var(--surface-3);color:var(--text-2)}.badge-orange{background:var(--orange-dim);color:var(--orange)}.badge:before{content:"";width:5px;height:5px;border-radius:50%;background:currentColor;flex-shrink:0}.page-header{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:24px;gap:16px}.page-title{font-family:var(--font-display);font-size:22px;font-weight:700;color:var(--text);letter-spacing:-.4px}.page-subtitle{font-size:13px;color:var(--text-2);margin-top:3px}.filters-bar{display:flex;align-items:center;gap:10px;margin-bottom:16px;flex-wrap:wrap}.search-wrap{position:relative;flex:1;min-width:200px;max-width:400px}.search-wrap svg{position:absolute;left:10px;top:50%;transform:translateY(-50%);width:14px;height:14px;color:var(--text-3);pointer-events:none}.search-input{padding-left:32px;width:100%}.tabs{display:flex;border-bottom:1px solid var(--border);margin-bottom:20px;gap:4px}.tab-btn{padding:9px 14px;background:none;border:none;border-bottom:2px solid transparent;color:var(--text-2);font-size:13px;font-weight:500;font-family:inherit;cursor:pointer;transition:color .12s,border-color .12s;margin-bottom:-1px}.tab-btn:hover{color:var(--text)}.tab-btn.active{color:var(--blue);border-bottom-color:var(--blue)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000a6;display:flex;align-items:center;justify-content:center;z-index:200;padding:24px}.modal{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);width:100%;max-width:520px;max-height:90vh;overflow-y:auto;box-shadow:0 24px 64px #00000080}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;border-bottom:1px solid var(--border)}.modal-title{font-family:var(--font-display);font-size:15px;font-weight:600;color:var(--text)}.modal-body{padding:22px}.modal-footer{display:flex;justify-content:flex-end;gap:10px;padding:14px 22px;border-top:1px solid var(--border)}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 24px;text-align:center;color:var(--text-3)}.empty-icon{width:40px;height:40px;margin-bottom:14px;opacity:.4}.empty-title{font-size:14px;font-weight:500;color:var(--text-2);margin-bottom:4px}.empty-text{font-size:13px}.alert{display:flex;align-items:flex-start;gap:10px;padding:12px 14px;border-radius:var(--radius);font-size:13px}.alert-error{background:var(--red-dim);color:var(--red);border:1px solid #F8514930}.alert-warning{background:var(--yellow-dim);color:var(--yellow);border:1px solid #D2992230}.alert-info{background:var(--blue-dim);color:var(--blue);border:1px solid #1B7EF230}.alert-success{background:var(--green-dim);color:var(--green);border:1px solid #2EA04330}.spinner{width:20px;height:20px;border:2px solid var(--border);border-top-color:var(--blue);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-center{display:flex;align-items:center;justify-content:center;padding:48px}.pagination{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-top:1px solid var(--border);background:var(--surface)}.pagination-info{font-size:12.5px;color:var(--text-3)}.pagination-btns{display:flex;gap:6px}.info-row{display:flex;gap:8px;padding:10px 0;border-bottom:1px solid var(--border);align-items:flex-start}.info-row:last-child{border-bottom:none}.info-key{width:140px;font-size:12px;font-weight:500;color:var(--text-3);flex-shrink:0;padding-top:1px}.info-value{font-size:13.5px;color:var(--text)}.info-value.mono{font-family:var(--font-mono);font-size:12.5px}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg);padding:24px}.login-card{width:100%;max-width:380px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:36px}.login-logo{display:flex;align-items:center;gap:12px;margin-bottom:32px}.login-logo-mark{width:36px;height:36px;background:var(--blue);border-radius:8px;display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-weight:800;font-size:16px;color:#fff}.login-logo-text{font-family:var(--font-display);font-size:18px;font-weight:700;color:var(--text);letter-spacing:-.4px}.login-subtitle{font-size:13px;color:var(--text-3)}.login-form{display:flex;flex-direction:column;gap:14px;margin-top:6px}.section-divider{font-family:var(--font-display);font-size:11.5px;font-weight:600;letter-spacing:.8px;text-transform:uppercase;color:var(--text-3);padding:18px 0 8px;border-bottom:1px solid var(--border);margin-bottom:16px}.activity-item{display:flex;align-items:flex-start;gap:12px;padding:10px 0;border-bottom:1px solid var(--border)}.activity-item:last-child{border-bottom:none}.activity-dot{width:8px;height:8px;border-radius:50%;background:var(--blue);flex-shrink:0;margin-top:5px}.activity-content{flex:1;min-width:0}.activity-action{font-size:13px;color:var(--text)}.activity-time{font-size:11.5px;color:var(--text-3);margin-top:2px}.schedule-grid{display:flex;flex-direction:column;gap:2px}.schedule-row{display:flex;align-items:center;gap:12px;padding:10px 14px;border-radius:var(--radius);background:var(--surface-2);transition:background .1s}.schedule-row:hover{background:var(--surface-3)}.schedule-day{width:90px;font-size:13px;font-weight:500;color:var(--text)}.schedule-hours{font-family:var(--font-mono);font-size:12.5px;color:var(--text-2)}.notice-card{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px;display:flex;gap:12px;align-items:flex-start}.notice-card.pinned{border-left:3px solid var(--blue)}.notice-body{flex:1;min-width:0}.notice-title{font-size:13.5px;font-weight:500;color:var(--text)}.notice-text{font-size:13px;color:var(--text-2);margin-top:3px}.notice-meta{font-size:11.5px;color:var(--text-3);margin-top:6px}.divider{height:1px;background:var(--border);margin:16px 0}.tag{display:inline-block;padding:2px 7px;background:var(--surface-3);border-radius:4px;font-family:var(--font-mono);font-size:11.5px;color:var(--text-2)}.text-muted{color:var(--text-2)}.text-dim{color:var(--text-3)}.text-mono{font-family:var(--font-mono)}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}.grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-2{gap:8px}.gap-3{gap:12px}.gap-4{gap:16px}.mt-1{margin-top:4px}.mt-2{margin-top:8px}.mt-3{margin-top:12px}.mt-4{margin-top:16px}.mb-4{margin-bottom:16px}.w-full{width:100%}