.schedule-table-container{overflow-x:auto;border-radius:8px;box-shadow:0 2px 8px #00000014}.schedule-table{width:100%;border-collapse:separate;border-spacing:0;font-size:.9rem}.schedule-table th{background:linear-gradient(135deg,var(--primary-color) 0%,#2563eb 100%);color:#fff;padding:1rem;text-align:center;font-weight:600;position:sticky;top:0;z-index:10;border-bottom:3px solid #1e40af;text-transform:uppercase;letter-spacing:.5px;font-size:.85rem}.schedule-table th:first-child{border-top-left-radius:8px}.schedule-table th:last-child{border-top-right-radius:8px}.schedule-table td{border:1px solid #e5e7eb;padding:.5rem;text-align:center;vertical-align:middle;min-height:100px;background-color:#fff;transition:background-color .2s ease}.schedule-table td:hover{background-color:#f9fafb}.time-column{background:linear-gradient(to right,#f8f9fa,#fff);font-weight:500;min-width:90px;border-right:2px solid #e5e7eb;position:sticky;left:0;z-index:5}.lesson-number{font-size:1.2rem;font-weight:700;color:#1f2937;background:linear-gradient(135deg,#3b82f6,#2563eb);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.lesson-time{font-size:.75rem;color:#6b7280;margin-top:.25rem;font-weight:500}.schedule-cell{min-width:140px;height:100px;padding:.4rem}.schedule-entry{padding:.75rem;border-radius:8px;color:#fff;font-weight:500;height:100%;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:.4rem;box-shadow:0 2px 8px #00000026;transition:all .2s ease;cursor:pointer;position:relative;overflow:visible}.schedule-entry.has-substitution{box-shadow:0 0 0 3px #ff9800 inset,0 2px 8px #00000026}.substitution-badge{position:absolute;top:-8px;right:-8px;background:#ff9800;color:#fff;font-size:9px;font-weight:700;padding:3px 8px;border-radius:10px;text-transform:uppercase;letter-spacing:.3px;box-shadow:0 2px 6px #ff980066;z-index:10;white-space:nowrap}.schedule-entry:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(135deg,#ffffff1a,#fff0);pointer-events:none}.schedule-entry:hover{transform:translateY(-2px);box-shadow:0 4px 12px #00000040}.entry-header{display:flex;align-items:center;justify-content:space-between;width:100%;gap:.5rem;margin-bottom:.25rem}.entry-subject-code{font-size:1.1rem;font-weight:700;text-shadow:0 1px 2px rgba(0,0,0,.1)}.entry-subject-name{font-size:.9rem;opacity:1;font-weight:600;text-align:center;line-height:1.3;text-shadow:0 1px 2px rgba(0,0,0,.15);letter-spacing:.3px}.entry-room-badge{background:#ffffff40;padding:.15rem .4rem;border-radius:4px;font-size:.7rem;font-weight:600;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);white-space:nowrap}.entry-teacher,.entry-class{font-size:.85rem;opacity:.95;display:flex;align-items:center;gap:.3rem;background:#fff3;padding:.2rem .5rem;border-radius:12px;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.teacher-substitution{display:flex;align-items:center;gap:.35rem;font-size:.8rem}.teacher-substitution .original-teacher{text-decoration:line-through;opacity:.7;font-style:italic}.teacher-substitution .arrow{font-size:1rem;font-weight:700;opacity:.95;margin:0 .1rem}.teacher-substitution .substitute-teacher{font-weight:700}.teacher-icon,.class-icon{font-size:.9rem}.empty-cell{color:#d1d5db;font-size:1.5rem;font-weight:300;opacity:.5}.schedule-detail-modal{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);animation:fadeIn .2s ease}.modal-content{background:#fff;border-radius:16px;padding:2rem;max-width:500px;width:90%;max-height:80vh;overflow-y:auto;box-shadow:0 20px 60px #0000004d;animation:slideUp .3s ease;position:relative}.modal-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:1.5rem;padding-bottom:1rem;border-bottom:2px solid #e5e7eb}.modal-title{font-size:1.5rem;font-weight:700;color:#1f2937;margin:0}.modal-close{background:#f3f4f6;border:none;width:32px;height:32px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1.2rem;color:#6b7280;transition:all .2s ease}.modal-close:hover{background:#e5e7eb;color:#1f2937;transform:rotate(90deg)}.modal-body{display:flex;flex-direction:column;gap:1rem}.modal-info-card{background:#f9fafb;border-radius:12px;padding:1rem;border-left:4px solid var(--primary-color)}.modal-info-label{font-size:.75rem;text-transform:uppercase;letter-spacing:.5px;color:#6b7280;font-weight:600;margin-bottom:.5rem}.modal-info-value{font-size:1.1rem;color:#1f2937;font-weight:600;display:flex;align-items:center;gap:.5rem}.modal-info-secondary{font-size:.9rem;color:#6b7280;margin-top:.25rem}.modal-subject-header{padding:1.5rem;border-radius:12px;color:#fff;text-align:center;margin-bottom:1.5rem;box-shadow:0 4px 12px #00000026}.modal-subject-code{font-size:2rem;font-weight:700;margin-bottom:.5rem;text-shadow:0 2px 4px rgba(0,0,0,.2)}.modal-subject-name{font-size:1.2rem;font-weight:500;opacity:.95}.schedule-page{max-width:1400px;margin:0 auto;padding:20px}.page-header{margin-bottom:2rem;text-align:center}.page-header h2{color:#2c3e50;margin-bottom:.5rem}.page-header p{color:#7f8c8d;font-size:1.1rem}.schedule-toggle{display:flex;gap:.5rem;justify-content:center;margin-top:1rem}.schedule-toggle .toggle-btn{padding:.6rem 1.2rem;border:2px solid 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.2s}.modal-close:hover{background:#ecf0f1;color:#2c3e50}.modal-info{background:#e8f4f8;padding:12px;border-radius:5px;margin-bottom:20px;color:#2c3e50;font-size:14px}.modal-form{display:flex;flex-direction:column;gap:16px}.modal-actions{display:flex;gap:10px;margin-top:20px}.modal-actions button{flex:1;padding:12px;border:none;border-radius:5px;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s}.modal-actions .btn-primary{background:#3498db;color:#fff}.modal-actions .btn-primary:hover{background:#2980b9}.modal-actions .btn-danger{background:#e74c3c;color:#fff}.modal-actions .btn-danger:hover{background:#c0392b}.modal-actions .btn-secondary{background:#ecf0f1;color:#2c3e50}.modal-actions .btn-secondary:hover{background:#bdc3c7}@media (max-width: 768px){.schedule-grid-container{margin:0 -20px}.schedule-grid{font-size:12px}.time-slot-label{padding:8px}.schedule-entry-card{padding:4px;font-size:11px}.desktop-only{display:none}.mobile-only{display:block}}@media (min-width: 769px){.desktop-only{display:block}.mobile-only{display:none}}.overview-page{max-width:1200px;margin:0 auto}.overview-grid{display:grid;gap:2rem}.overview-section h3{margin-bottom:1.5rem;color:var(--text-dark);font-size:1.5rem}.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:1rem}.overview-card{background:var(--card-bg);border-radius:8px;padding:1.5rem;text-align:center;text-decoration:none;color:var(--text-dark);box-shadow:var(--shadow);transition:all .3s;display:flex;flex-direction:column;justify-content:center;min-height:100px}.overview-card:hover{transform:translateY(-4px);box-shadow:0 4px 12px #00000026}.card-title{font-size:1.5rem;font-weight:600;color:var(--primary-color);margin-bottom:.5rem}.card-subtitle{font-size:.9rem;color:var(--text-light)}.empty-message{color:var(--text-light);font-style:italic;padding:2rem;text-align:center;background:var(--card-bg);border-radius:8px;border:2px dashed #ddd}.error-message{color:#e74c3c;padding:1rem;background:#fef5f5;border-radius:8px;border-left:4px solid #e74c3c}.substitution-plan-page{padding:20px;max-width:1400px;margin:0 auto}.page-header h2{font-size:28px;color:#2c3e50;margin-bottom:10px}.controls{display:flex;gap:20px;align-items:center;margin-bottom:20px;flex-wrap:wrap;padding:15px;background:#f8f9fa;border-radius:8px}.date-selector,.selector{display:flex;gap:10px;align-items:center}.date-selector label,.selector label{font-weight:500;color:#2c3e50;white-space:nowrap}.date-selector input,.selector select{padding:8px 12px;border:1px solid #ddd;border-radius:4px;font-size:14px}.date-nav-btn{padding:8px 12px;background:#667eea;color:#fff;border:none;border-radius:4px;cursor:pointer;font-size:14px;font-weight:700;transition:all .2s}.date-nav-btn:hover{background:#5568d3;transform:scale(1.05)}.date-nav-btn:active{transform:scale(.98)}.btn-clear-filter{padding:10px 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tr.has-substitution{background:#fff9e6}.substitution-table tr.has-substitution:hover{background:#fff3d1}.substitution-table tr.empty-slot{opacity:.5}.lesson-number{font-weight:600;color:#2c3e50}.time-range{color:#7f8c8d;font-size:inherit}.original{text-decoration:line-through;opacity:.6;color:#e74c3c}.substitute{font-weight:600;color:#27ae60}.substitution-note{color:#f39c12;font-weight:500;font-style:italic}.btn-print{padding:10px 20px;background:#3498db;color:#fff;border:none;border-radius:6px;cursor:pointer;font-weight:500;font-size:14px;transition:all .2s ease;display:flex;align-items:center;gap:8px;white-space:nowrap}.btn-print:hover{background:#2980b9;transform:translateY(-1px);box-shadow:0 2px 6px #3498db4d}.btn-print:active{transform:translateY(0)}.print-date{display:none;font-size:16px;color:#2c3e50;margin-top:8px;font-weight:500}.substitution-table .no-substitutions{text-align:center;padding:40px;color:#7f8c8d;font-size:16px}.day-name{font-weight:600;color:var(--primary-color);font-size:1.1rem}.no-substitutions{text-align:center;padding:3rem;font-size:1.2rem;color:var(--secondary-color)}.substitutions-list{display:flex;flex-direction:column;gap:1rem}.substitution-card{border-left:4px solid var(--primary-color)}.sub-replacement{border-left-color:var(--warning-color)}.sub-cancellation{border-left-color:var(--danger-color);background-color:#fff5f5}.sub-room-change{border-left-color:var(--primary-color)}.sub-subject-change{border-left-color:var(--secondary-color)}.sub-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem;padding-bottom:.75rem;border-bottom:1px solid var(--border-color)}.sub-type{font-weight:600;font-size:1.1rem;color:var(--text-dark)}.sub-time{color:var(--text-light);font-size:.9rem}.sub-details{display:flex;flex-direction:column;gap:.5rem}.sub-row{display:flex;gap:.5rem}.sub-notes{margin-top:.75rem;padding:.75rem;background-color:#f8f9fa;border-radius:4px;color:var(--text-dark);font-style:italic}@media print{*{box-sizing:border-box}body{background:#fff!important;margin:0!important;padding:0!important;height:auto!important;overflow:visible!important}.app{min-height:auto!important;margin:0!important;padding:0!important}.main-content{max-width:100%!important;margin:0!important;padding:0!important}.substitution-plan-page{max-width:100%;padding:0!important;margin:0!important;height:auto!important}.page-header{margin:0 0 12px!important;padding:0!important;page-break-after:avoid!important}.page-header h2{font-size:24px;color:#000;margin:0 0 4px!important;padding:0!important}.print-date{display:block!important;font-size:14px;color:#000;margin:0!important;padding:0!important}.controls,.substitution-info,.btn-print,nav,header,footer,.no-substitutions{display:none!important;height:0!important;margin:0!important;padding:0!important;overflow:hidden!important}.substitution-table{box-shadow:none;border:2px solid #333;width:100%;border-collapse:collapse;margin:0!important;padding:0!important;page-break-after:auto!important}.substitution-table thead{background:#333!important;color:#fff!important;-webkit-print-color-adjust:exact;print-color-adjust:exact}.substitution-table th{padding:9px 7px!important;font-size:12px;border:1px solid #333}.substitution-table td{padding:7px 6px!important;border:1px solid #666;color:#000;font-size:11px}.substitution-table tbody tr:hover{background:transparent!important}.substitution-table tr.has-substitution{background:#fafafa!important;-webkit-print-color-adjust:exact;print-color-adjust:exact}.original{text-decoration:line-through;color:#666!important}.substitute{font-weight:700;color:#000!important}.substitution-note{color:#000!important;font-weight:500}.lesson-number{font-weight:700;color:#000}.time-range{color:#333}.substitution-table tbody,.substitution-table thead,.substitution-table tr,.page-header{page-break-inside:avoid!important;break-inside:avoid!important}@page{margin:1cm;size:A4}}.admin-page{max-width:1400px;margin:0 auto;padding:20px}.page-header{margin-bottom:30px}.page-header h2{font-size:28px;font-weight:600;margin-bottom:8px;color:#2c3e50}.page-header p{color:#7f8c8d;font-size:16px}.admin-tabs{display:flex;gap:10px;margin-bottom:30px;border-bottom:2px solid #ecf0f1;padding-bottom:0}.admin-tabs button{padding:12px 24px;background:none;border:none;font-size:15px;font-weight:500;color:#7f8c8d;cursor:pointer;border-bottom:3px solid transparent;transition:all .2s;position:relative;bottom:-2px}.admin-tabs button:hover{color:#2c3e50;background-color:#f8f9fa}.admin-tabs button.active{color:#3498db;border-bottom-color:#3498db}.manager-section{background:#fff;border-radius:8px;padding:24px;box-shadow:0 2px 4px #0000001a}.schedule-content{width:100%}.schedule-with-sidebar{display:flex;gap:12px;align-items:flex-start;margin-top:16px}.schedule-table-wrapper{flex:1;min-width:0}.btn-toggle-workload{flex-shrink:0;width:40px;height:40px;padding:0;background:#3498db;color:#fff;border:none;border-radius:6px;font-size:18px;cursor:pointer;transition:all .2s;box-shadow:0 2px 4px #0000001a;align-self:flex-start;margin-top:0}.btn-toggle-workload:hover{background:#2980b9;transform:translateY(-1px);box-shadow:0 3px 6px #00000026}.btn-toggle-workload.active{background:#e74c3c}.btn-toggle-workload.active:hover{background:#c0392b}.workload-sidebar{width:280px;flex-shrink:0;background:#f8f9fa;padding:16px;border-radius:6px;border:1px solid #e1e8ed;align-self:flex-start}.workload-sidebar h4{font-size:14px;font-weight:600;color:#2c3e50;margin-bottom:16px;padding-bottom:8px;border-bottom:2px solid #e1e8ed}.workload-list{display:flex;flex-direction:column;gap:12px}.workload-item{background:#fff;border-radius:6px;padding:10px;border:1px solid #e1e8ed;transition:all .2s}.workload-item.partial{background:#e8f5e9;border-color:#a5d6a7}.workload-item.full{background:#fff3e0;border-color:#ffb74d}.workload-item.over-full{background:#ffebee;border-color:#ef9a9a}.workload-item:hover{box-shadow:0 2px 6px #00000014}.workload-item-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}.workload-numbers-small{font-size:13px;font-weight:600;color:#2c3e50}.workload-bar-small{height:4px;background:#ecf0f1;border-radius:2px;overflow:hidden;margin-bottom:6px}.workload-fill{height:100%;transition:width .3s 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1.5rem;border:none;border-radius:6px;font-size:1rem;font-weight:500;cursor:pointer;transition:all .3s}.btn-primary{background-color:var(--primary-color);color:#fff}.btn-primary:hover{background-color:#357abd}.btn-danger{background-color:var(--danger-color);color:#fff}.btn-danger:hover{background-color:#c0392b}.form-group{margin-bottom:1rem}.form-group label{display:block;margin-bottom:.5rem;font-weight:500;color:var(--text-dark)}.form-group input,.form-group select,.form-group textarea{width:100%;padding:.75rem;border:1px solid var(--border-color);border-radius:6px;font-size:1rem;font-family:inherit}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--primary-color)}.loading{text-align:center;padding:2rem;color:var(--text-light)}.error{background-color:#fee;color:var(--danger-color);padding:1rem;border-radius:6px;margin-bottom:1rem}.success{background-color:#efe;color:var(--secondary-color);padding:1rem;border-radius:6px;margin-bottom:1rem}:root{--primary-color: #4a90e2;--secondary-color: #50c878;--danger-color: #e74c3c;--warning-color: #f39c12;--bg-color: #f5f7fa;--card-bg: #ffffff;--text-dark: #2c3e50;--text-light: #7f8c8d;--border-color: #e1e8ed;--shadow: 0 2px 8px rgba(0, 0, 0, .1)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--bg-color);color:var(--text-dark)}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}