.App{min-height:100vh;display:flex;flex-direction:column}.app-header{background:linear-gradient(135deg,#134e4a,#0f766e,#0d9488);color:#fff;padding:20px 0;box-shadow:0 2px 10px #00000026}.header-content{display:flex;align-items:center;gap:20px;margin-bottom:20px}.logo{height:80px;width:auto;border-radius:8px;box-shadow:0 2px 8px #0003}.app-header h1{color:#fff;margin:0;font-size:2rem}.main-nav{display:flex;gap:15px;margin-top:15px}.nav-link{color:#fff;text-decoration:none;padding:10px 20px;border-radius:6px;background-color:#ffffff1a;transition:all .3s ease;font-weight:600}.nav-link:hover{background-color:#fff3;transform:translateY(-2px)}.nav-link.active{background-color:#ffffff4d}main{flex:1;padding:40px 20px}.app-footer{background-color:#0f172a;color:#94a3b8;text-align:center;padding:20px 0;margin-top:auto}.app-footer p{margin:0}@media (max-width: 768px){.header-content{flex-direction:column;text-align:center}.app-header h1{font-size:1.5rem}.main-nav{flex-direction:column}.nav-link{text-align:center}}:root{--primary-color: #0f766e;--secondary-color: #0d9488;--accent-color: #f97316;--success-color: #16a34a;--warning-color: #d97706;--danger-color: #dc2626;--light-bg: #f8fafc;--holiday-bg: #fef3c7;--holiday-border: #f59e0b;--text-color: #134e4a}.attendance-container{max-width:1400px;margin:0 auto;padding:20px 0}.attendance-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:30px;flex-wrap:wrap;gap:20px;position:sticky;top:0;background-color:#fff;z-index:100;padding:15px 0;box-shadow:0 2px 8px #0000000d}.attendance-header h2{margin:0;color:var(--primary-color);font-size:2rem}.week-navigator{display:flex;gap:10px;align-items:center}.btn-nav,.btn-current,.btn-admin{padding:10px 20px;border:2px solid var(--primary-color);border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease;font-family:inherit;background-color:#fff;color:var(--primary-color);white-space:nowrap}.btn-nav:disabled{background-color:#f5f5f5;color:#aaa;border-color:#ddd;cursor:not-allowed;opacity:.6}.btn-nav:disabled:hover{background-color:#f5f5f5;color:#aaa;transform:none}.btn-current{background:linear-gradient(135deg,#f97316,#fb923c);border-color:#f97316;color:#fff;font-weight:700;text-shadow:0 1px 2px rgba(0,0,0,.15)}.year-jump-select{padding:6px 10px;border:2px solid #0d9488;border-radius:8px;background:#f0fdfa;color:#134e4a;font-size:.9rem;font-weight:600;cursor:pointer;direction:ltr}.year-jump-select:hover{border-color:#0f766e;background:#ccfbf1}.month-jump-select{direction:rtl;min-width:90px}.btn-admin{background-color:#e8f5e8;border-color:#27ae60;color:#27ae60;font-size:.9rem;padding:8px 15px}.btn-admin.active{background-color:#27ae60;color:#fff}.btn-nav:not(:disabled):hover{background-color:var(--primary-color);color:#fff;box-shadow:0 4px 12px #0f766e4d}.btn-admin:hover{background-color:#27ae60;color:#fff}.admin-indicator{background:linear-gradient(135deg,#dcfce7,#bbf7d0);border:2px solid #059669;color:#065f46;padding:8px 15px;border-radius:8px;font-size:.9rem;font-weight:700;text-shadow:0 1px 2px rgba(255,255,255,.3);box-shadow:0 2px 4px #05966933}.monthly-stats{display:flex;align-items:center;gap:15px}.monthly-average-display{background:linear-gradient(135deg,#fef3c7,#fed7aa);border:2px solid #f59e0b;color:#92400e;padding:10px 16px;border-radius:12px;font-size:.95rem;font-weight:600;text-shadow:0 1px 2px rgba(255,255,255,.4);box-shadow:0 3px 8px #f59e0b40;white-space:nowrap}.monthly-average-display.small{padding:6px 12px;font-size:.85rem;margin:5px 8px 5px 0}.selected-months-stats{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}.stats-note{font-size:.8rem;opacity:.8;font-weight:500}.btn-current:hover{background:linear-gradient(135deg,#ea6c00,#f97316);border-color:#ea6c00;box-shadow:0 4px 12px #f9731659}.attendance-stats{display:flex;gap:15px;margin-bottom:20px;flex-wrap:wrap}.present-badge{background-color:#27ae60}.filter-badge{background-color:var(--accent-color);animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0;transform:scale(.8)}to{opacity:1;transform:scale(1)}}.search-section{margin-bottom:20px;display:flex;align-items:center;justify-content:center;gap:12px;padding:15px 0}.search-box{position:relative;max-width:500px;width:100%}.search-input{width:100%;padding:15px 20px 15px 50px;border:2px solid var(--border-color);border-radius:25px;font-size:1rem;font-family:inherit;transition:all .3s ease;background-color:#fff;box-shadow:0 2px 8px #0000001a}.search-input:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #2c5f7d1a;transform:translateY(-2px)}.search-input::placeholder{color:#7f8c8d;font-weight:500}.clear-search-btn{position:absolute;left:15px;top:50%;transform:translateY(-50%);background:none;border:none;font-size:1.2rem;color:#7f8c8d;cursor:pointer;padding:5px;border-radius:50%;transition:all .2s ease}.clear-search-btn:hover{background-color:#fee;color:#e74c3c;transform:translateY(-50%) scale(1.1)}.search-header-row th{background:#f8fafc!important;border-bottom:1px solid var(--border-color);border-top:1px solid var(--border-color);padding:3px 8px;position:sticky;top:44px;z-index:3;font-weight:400;box-shadow:none!important}.search-header-row th.sticky-col{z-index:5;background:#f8fafc!important}.search-header-cell .search-box{max-width:100%;position:relative}.search-header-cell .search-input{width:100%;padding:5px 20px 5px 46px;border:1.5px solid var(--border-color);border-radius:25px;font-size:.9rem;font-family:inherit;transition:all .3s ease;background-color:#fff;box-shadow:0 1px 4px #00000012;transform:none}.search-header-cell .search-input:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #2c5f7d1a;transform:none}.search-header-cell .search-input::placeholder{color:#7f8c8d;font-weight:500}.search-header-cell .clear-search-btn{font-size:1.1rem}.search-buttons-cell{display:flex;gap:6px;align-items:center;white-space:nowrap;padding:0 6px}.search-buttons-cell .sort-toggle-btn{padding:5px 10px;font-size:.8rem}.sort-toggle-btn{flex-shrink:0;padding:12px 18px;background-color:#ecf0f1;color:#2c3e50;border:2px solid #bdc3c7;border-radius:25px;font-size:.95rem;font-family:inherit;font-weight:600;cursor:pointer;transition:all .25s ease;white-space:nowrap;box-shadow:0 2px 6px #00000014}.sort-toggle-btn:hover{background-color:#d5dbde;border-color:#95a5a6;transform:translateY(-1px);box-shadow:0 4px 10px #0000001f}.sort-toggle-btn.active{background-color:var(--primary-color);color:#fff;border-color:var(--primary-color);box-shadow:0 4px 12px #2c5f7d59}.sort-toggle-btn.active:hover{background-color:#1a4a6e;border-color:#1a4a6e}.current-month-heading-row{display:flex;align-items:center;justify-content:center;gap:16px;margin-bottom:14px}.current-month-heading{text-align:center;font-size:2rem;font-weight:900;color:var(--primary-color);letter-spacing:2px;padding:10px 0 6px;border-bottom:3px solid var(--primary-color);flex:1;text-shadow:0 1px 3px rgba(44,95,125,.15)}.payment-report-btn{flex-shrink:0;padding:10px 18px;background-color:#16a34a;color:#fff;border:none;border-radius:8px;font-size:.95rem;font-family:inherit;font-weight:700;cursor:pointer;transition:all .2s ease;white-space:nowrap;box-shadow:0 3px 10px #16a34a4d}.payment-report-btn:hover{background-color:#15803d;transform:translateY(-1px);box-shadow:0 5px 14px #16a34a66}th.monthly-total-col,td.monthly-total-col{width:72px;min-width:72px;max-width:72px;text-align:center;font-weight:700;font-size:.85rem;background-color:#e8edf2;border-left:2px solid #bdc3c7;color:#555;white-space:nowrap;position:sticky;right:200px;z-index:6;box-shadow:-2px 0 5px #00000014}.attendance-table tbody tr:nth-child(2n) td.monthly-total-col{background-color:#dde4ec}th.monthly-total-col{color:var(--primary-color);font-size:.8rem;padding:6px 4px;vertical-align:middle}td.monthly-total-col{padding:4px;color:#7f8c8d}td.monthly-total-col.has-total{color:var(--primary-color);font-weight:800}.week-range{text-align:center;font-size:1.2rem;font-weight:700;color:var(--primary-color);padding:15px;background-color:#f8f9fa;border-radius:8px;margin-bottom:20px;border:2px solid var(--primary-color)}.attendance-table-wrapper{overflow-x:auto;border:2px solid var(--border-color);border-radius:8px;margin-bottom:20px;max-height:600px;overflow-y:auto}.attendance-table{width:100%;border-collapse:separate;border-spacing:0;background-color:#fff}.attendance-table thead{position:sticky;top:0;z-index:10}.attendance-table th{background:linear-gradient(135deg,#f0fdfa,#99f6e4);color:#134e4a;padding:18px 12px;text-align:center;font-weight:700;border-left:1px solid rgba(15,118,110,.2);white-space:nowrap;text-shadow:0 1px 2px rgba(255,255,255,.8);font-size:.95rem}.attendance-table th.sticky-col{position:sticky;z-index:20;background:linear-gradient(135deg,#ccfbf1,#5eead4);box-shadow:0 2px 4px #0f766e33}.attendance-table th:first-child,.attendance-table th.sticky-name{right:0;min-width:200px;text-align:right}.day-header{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:5px}.day-name{font-weight:900;font-size:1.3rem;color:#134e4a;text-shadow:0 1px 3px rgba(255,255,255,.9);letter-spacing:1px}.day-date{font-size:1rem;color:#0f172a;font-weight:800;text-shadow:0 1px 3px rgba(255,255,255,.9)}.attendance-table th.friday,.attendance-table th.saturday{background:linear-gradient(135deg,#fed7e2,#fbb6ce);color:#be185d;box-shadow:0 2px 6px #be185d33}.attendance-table th.friday .day-name,.attendance-table th.saturday .day-name{color:#831843;font-weight:900;font-size:1.4rem;text-shadow:0 2px 4px rgba(255,255,255,.9)}.attendance-table th.friday .day-date,.attendance-table th.saturday .day-date{color:#831843;font-weight:800;font-size:1.1rem;text-shadow:0 2px 4px rgba(255,255,255,.9)}.attendance-table th.holiday-eve,.attendance-table th.holiday{background:linear-gradient(135deg,#fef3c7,#fde68a);color:#92400e;position:relative;box-shadow:0 2px 6px #92400e33}.attendance-table th.holiday-eve .day-name,.attendance-table th.holiday .day-name{color:#78350f;font-weight:900;font-size:1.4rem;text-shadow:0 2px 4px rgba(255,255,255,.9)}.attendance-table th.holiday-eve .day-date,.attendance-table th.holiday .day-date{color:#78350f;font-weight:800;font-size:1.1rem;text-shadow:0 2px 4px rgba(255,255,255,.9)}.attendance-table tbody tr{transition:background-color .2s ease}.attendance-table tbody tr:hover{background-color:#f8f9fa}.attendance-table tbody tr:nth-child(2n){background-color:#fafbfc}.attendance-table td{padding:12px 10px;border-bottom:1px solid var(--border-color);border-left:1px solid var(--border-color);text-align:center;background-color:#fff}.attendance-table td.sticky-col{position:sticky;z-index:5;background-color:#fff;box-shadow:2px 0 5px #0000001a}.attendance-table tbody tr:nth-child(2n) td.sticky-col{background-color:#fafbfc}.attendance-table td:first-child{right:0;text-align:right;font-weight:700;color:var(--primary-color);padding-right:15px}.attendance-table td.sticky-name{right:0;text-align:right;font-weight:600;padding-right:15px}.attendance-table td.youth-name{color:var(--text-dark)}.checkbox-cell{padding:5px}.checkbox-cell.friday,.checkbox-cell.saturday{background:linear-gradient(to bottom,#fff0f0,#ffe6e6);border:1px solid #f5c6cb}.checkbox-cell.holiday-eve,.checkbox-cell.holiday{background:linear-gradient(to bottom,#fef3c7,#fde68a);border:1px solid #f59e0b;box-shadow:inset 0 1px 3px #f59e0b26}.holiday-name{font-size:.8rem;font-weight:700;color:#134e4a;margin-top:3px;text-shadow:0 1px 2px rgba(255,255,255,.3);line-height:1.2}.holiday-eve-name{font-size:10px;margin-top:3px;font-weight:500;color:#ffffffe6;background-color:#ffffff14;padding:1px 4px;border-radius:8px;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif}.checkbox-cell.friday input[type=checkbox]:checked,.checkbox-cell.saturday input[type=checkbox]:checked{accent-color:#e74c3c}.checkbox-cell.holiday-eve input[type=checkbox]:checked,.checkbox-cell.holiday input[type=checkbox]:checked{accent-color:#9b59b6}.attendance-checkbox-inline{display:inline-flex;cursor:pointer;margin:0}.attendance-checkbox-inline input[type=checkbox]{width:24px;height:24px;cursor:pointer;accent-color:var(--primary-color);margin:0}.attendance-actions{display:flex;justify-content:center;gap:15px;padding:20px 0}.attendance-info{display:flex;justify-content:center;margin-top:20px;padding:15px}.info-text{background:linear-gradient(135deg,#27ae60,#2ecc71);color:#fff;padding:10px 20px;border-radius:25px;font-size:14px;font-weight:500;box-shadow:0 2px 8px #2ecc714d;animation:gentle-pulse 3s infinite}@keyframes gentle-pulse{0%,to{transform:scale(1);opacity:.9}50%{transform:scale(1.02);opacity:1}}.btn{padding:12px 30px;border:none;border-radius:8px;font-size:1.1rem;font-weight:600;cursor:pointer;transition:all .3s ease;font-family:inherit}.btn-primary{background-color:var(--primary-color);color:#fff}.btn-primary:hover{background-color:#0c5e58;transform:translateY(-2px);box-shadow:0 4px 12px #0f766e4d}.btn-primary:active{transform:translateY(0)}.alert{padding:15px 20px;border-radius:8px;margin-bottom:20px}.alert-error{background-color:#fee;color:#c33;border:1px solid #fcc}.attendance-table-wrapper::-webkit-scrollbar{width:12px;height:12px}.attendance-table-wrapper::-webkit-scrollbar-track{background:#e0e0e0;border-radius:8px}.attendance-table-wrapper::-webkit-scrollbar-thumb{background:linear-gradient(135deg,var(--primary-color) 0%,var(--secondary-color) 100%);border-radius:8px;border:2px solid #e0e0e0}.attendance-table-wrapper::-webkit-scrollbar-thumb:hover{background:linear-gradient(135deg,#234c63,#3a7a9e)}.attendance-table-wrapper::-webkit-scrollbar-corner{background:#e0e0e0}@media (max-width: 768px){.attendance-header,.header-title{flex-direction:column;align-items:flex-start}.logo{height:60px}.attendance-header h2{font-size:1.5rem}.week-navigator{flex-direction:column;width:100%}.btn-nav,.btn-current{width:100%}.search-section{padding:10px 0}.search-input{font-size:.9rem;padding:12px 45px 12px 15px}.attendance-table th:first-child{right:0}.attendance-table th.sticky-name{min-width:150px}.attendance-table td:first-child{right:0}}.month-filter-section{background:linear-gradient(135deg,#f8fafc,#e2e8f0);border:1px solid #cbd5e1;border-radius:12px;padding:20px;margin:15px 0;box-shadow:0 2px 8px #1e3a8a0d}.month-filter-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px;gap:15px}.total-count{flex-shrink:0;order:-1}.total-badge{background:linear-gradient(135deg,#1e3a8a,#3730a3);color:#fff;padding:8px 15px;border-radius:20px;font-size:.9rem;font-weight:600;box-shadow:0 2px 4px #1e3a8a33;border:2px solid #f59e0b}.month-filter-header h3{color:#1e3a8a;font-size:1.1rem;font-weight:700;margin:0;text-shadow:0 1px 2px rgba(255,255,255,.5);flex-grow:1;text-align:center}.clear-months-btn{background:linear-gradient(135deg,#f59e0b,#d97706);color:#fff;border:none;padding:8px 15px;border-radius:20px;font-size:.9rem;font-weight:600;cursor:pointer;transition:all .2s ease;box-shadow:0 2px 4px 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h3{color:var(--success-color);font-size:1.2rem;font-weight:700;margin:0;display:flex;align-items:center;gap:8px}.today-count{background:var(--success-color);color:#fff;padding:8px 16px;border-radius:20px;font-size:.9rem;font-weight:600;box-shadow:0 2px 4px #0596694d;white-space:nowrap}.today-present-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px;line-height:1.6}.present-youth-tag{background:#fffc;color:var(--success-color);padding:6px 12px;border-radius:16px;font-size:.9rem;font-weight:600;border:1px solid rgba(5,150,105,.2);box-shadow:0 1px 3px #0596691a;transition:all .2s ease}.present-youth-tag:hover{background:#fff;transform:translateY(-1px);box-shadow:0 2px 6px #05966926}@media (max-width: 768px){.today-header{flex-direction:column;align-items:stretch;text-align:center}.today-header h3{font-size:1.1rem;justify-content:center}.today-count{font-size:.8rem;padding:6px 12px;text-align:center}.present-youth-tag{font-size:.8rem;padding:4px 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.holiday-name,.clickable-header.day-sort-active .holiday-eve-name{color:#fff!important;text-shadow:0 1px 2px rgba(0,0,0,.3)}.clickable-header.friday:hover,.clickable-header.saturday:hover{background:linear-gradient(135deg,#f687b3,#ec4899)!important}.clickable-header.friday.selected-day,.clickable-header.saturday.selected-day{background:linear-gradient(135deg,#be185d,#9d174d)!important;color:#fff}.clickable-header.holiday:hover,.clickable-header.holiday-eve:hover{background:linear-gradient(135deg,#fcd34d,#f59e0b)!important}.clickable-header.holiday.selected-day,.clickable-header.holiday-eve.selected-day{background:linear-gradient(135deg,#92400e,#78350f)!important;color:#fff}.daily-attendance-count{font-size:.8rem;color:#059669;font-weight:700;margin-bottom:4px;padding:2px 6px;background:#0596691a;border-radius:4px;border:1px solid rgba(5,150,105,.3)}.filter-info{display:flex;align-items:center;justify-content:center;gap:10px;margin-bottom:15px;padding:8px 15px;background:#e3f2fd;border:1px solid #2196f3;border-radius:8px;color:#1976d2;font-weight:500}.clear-filter-btn{background:#f44336;color:#fff;border:none;border-radius:15px;padding:4px 8px;cursor:pointer;font-size:12px;transition:background-color .2s}.clear-filter-btn:hover{background:#d32f2f}.show-weekly-btn{background:#4caf50;color:#fff;border:none;border-radius:15px;padding:4px 8px;cursor:pointer;font-size:12px;transition:background-color .2s;margin-right:8px}.show-weekly-btn:hover{background:#43a047}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;justify-content:center;align-items:center;z-index:1000;padding:20px}.modal-content{background:#fff;border-radius:12px;box-shadow:0 4px 20px #0003;max-width:600px;width:100%;max-height:80vh;overflow-y:auto}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:20px;border-bottom:1px solid #e2e8f0}.modal-header h3{margin:0;color:var(--primary-color)}.modal-close-btn{background:none;border:none;font-size:1.5rem;cursor:pointer;color:#666;padding:5px;border-radius:4px;transition:all .2s ease}.modal-close-btn:hover{background:#f3f4f6;color:var(--danger-color)}.modal-body{padding:20px}.attendees-list{text-align:center}.attendees-count{font-size:1.1rem;font-weight:600;color:var(--success-color);margin-bottom:20px}.attendees-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px}.attendee-card{display:flex;align-items:center;gap:10px;background:#f0f9ff;padding:12px;border-radius:8px;border:1px solid #0ea5e9}.attendee-number{background:var(--success-color);color:#fff;border-radius:50%;width:24px;height:24px;display:flex;align-items:center;justify-content:center;font-size:.8rem;font-weight:600}.attendee-name{font-weight:600;color:var(--primary-color)}.no-attendees{text-align:center;padding:40px}.empty-day-icon{font-size:3rem;margin-bottom:15px}.empty-day-text{color:#666;font-size:1.1rem}.modal-footer{padding:15px 20px;border-top:1px solid #e2e8f0;text-align:center}.btn-secondary{background:#f3f4f6;color:var(--primary-color);border:2px solid var(--primary-color);padding:10px 20px;border-radius:8px;cursor:pointer;font-weight:600;transition:all .3s ease}.btn-secondary:hover{background:var(--primary-color);color:#fff}@media (max-width: 768px){.days-header-row{grid-template-columns:repeat(4,1fr);gap:10px}.youth-grid{grid-template-columns:1fr}.youth-days{grid-template-columns:repeat(4,1fr)}.attendees-grid{grid-template-columns:1fr}.modal-content{margin:10px;max-height:90vh}}@media (max-width: 500px){.days-header-row,.youth-days{grid-template-columns:repeat(2,1fr)}}.admin-container{min-height:100vh;background:linear-gradient(135deg,#134e4a,#0f766e,#f97316);display:flex;justify-content:center;align-items:center;padding:20px;font-family:system-ui,-apple-system,sans-serif}.admin-card{background:#fff;border-radius:20px;box-shadow:0 20px 60px #00000026;max-width:800px;width:100%;padding:40px;text-align:center;animation:slideUp .6s ease-out}@keyframes slideUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.admin-header{margin-bottom:40px;position:relative}.admin-info{display:flex;justify-content:space-between;align-items:center;margin-top:20px;padding:15px 20px;background:#e8f5e8;border-radius:12px;font-size:.9rem}.admin-status{color:#27ae60;font-weight:600}.logout-btn{background:#e74c3c;color:#fff;border:none;padding:8px 15px;border-radius:8px;cursor:pointer;font-weight:600;transition:all .3s ease}.logout-btn:hover{background:#c0392b;transform:translateY(-1px)}.admin-logo{height:100px;width:auto;object-fit:contain;border-radius:16px;box-shadow:0 8px 25px #0000001a;margin-bottom:20px}.admin-header h2{color:#134e4a;font-size:2.2rem;margin:15px 0 10px;font-weight:700}.admin-header p{color:#7f8c8d;font-size:1.1rem;margin:0}.admin-input-group{display:flex;flex-direction:column;gap:15px;max-width:400px;margin:0 auto}.admin-password-input{padding:15px 20px;border:2px solid #ddd;border-radius:12px;font-size:1.1rem;font-family:inherit;text-align:center;transition:all .3s ease;background:#f8f9fa}.admin-password-input:focus{outline:none;border-color:#0f766e;background:#fff;box-shadow:0 0 0 3px #0f766e1a}.auth-btn{border:none;border-radius:12px;padding:15px 25px;font-size:1.1rem;font-weight:600;cursor:pointer;transition:all .3s ease;font-family:inherit}.admin-login{background:linear-gradient(135deg,#1e3a8a,#2563eb);color:#fff}.admin-login:hover{background:linear-gradient(135deg,#1e40af,#1e3a8a);transform:translateY(-2px);box-shadow:0 4px 12px #1e3a8a4d}.back-section{margin-top:30px;padding-top:20px;border-top:2px solid #ecf0f1}.navigation-links{display:flex;justify-content:center;gap:15px}.back-link{color:#3498db;text-decoration:none;font-weight:600;font-size:1rem;transition:all .3s ease}.back-link:hover{color:#2980b9;transform:translate(-5px)}.projects-section{margin:40px 0}.project-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:25px;margin-top:30px}.project-card{background:linear-gradient(135deg,#f8f9fa,#fff);border:2px solid #e9ecef;border-radius:16px;padding:30px 25px;text-decoration:none;color:inherit;transition:all .3s ease;cursor:pointer;position:relative;overflow:hidden}.project-card:hover{transform:translateY(-5px);box-shadow:0 15px 35px #0000001a;border-color:#f59e0b}.project-card:before{content:"";position:absolute;top:0;left:0;width:100%;height:4px;background:linear-gradient(135deg,#f59e0b,#fbbf24)}.project-icon{font-size:3rem;margin-bottom:15px}.project-card h3{color:#2c3e50;font-size:1.4rem;margin:15px 0 10px;font-weight:700}.project-card p{color:#7f8c8d;font-size:1rem;margin-bottom:20px}.project-features{display:flex;flex-direction:column;gap:8px;text-align:right}.feature{color:#27ae60;font-size:.9rem;font-weight:600}.future-project{opacity:.6;cursor:not-allowed}.future-project:hover{transform:none;box-shadow:none;border-color:#e9ecef}.admin-stats{display:flex;justify-content:center;gap:40px;margin-top:40px;padding-top:30px;border-top:2px solid #ecf0f1}.stat-item{display:flex;flex-direction:column;align-items:center;gap:8px}.stat-number{font-size:2.5rem;font-weight:700;color:#f59e0b}.stat-label{color:#7f8c8d;font-size:.9rem;font-weight:600}.error-message{background:linear-gradient(135deg,#e74c3c,#c0392b);color:#fff;padding:12px 20px;border-radius:10px;margin-top:15px;font-weight:600;animation:shake .5s ease}@media (max-width: 600px){.admin-card{padding:30px 20px;margin:10px}.admin-header h2{font-size:1.8rem}.project-grid{grid-template-columns:1fr}.admin-stats{flex-direction:column;gap:20px}.admin-info{flex-direction:column;gap:10px}}.upload-excel-container{max-width:900px;margin:0 auto}.upload-excel-container h2{text-align:center;margin-bottom:30px;color:var(--primary-color);font-size:2rem}.info-box{background-color:#e8f4f8;border-right:4px solid var(--primary-color);padding:20px;margin-bottom:30px;border-radius:8px}.info-box h3{color:var(--primary-color);margin-bottom:15px;font-size:1.2rem}.info-box ul{margin-right:20px}.info-box li{margin-bottom:8px;line-height:1.6}.info-box strong{color:var(--primary-color)}.upload-form{margin-bottom:30px}.drop-zone{border:3px dashed var(--border-color);border-radius:12px;padding:40px;text-align:center;transition:all .3s ease;background-color:#fafbfc;cursor:pointer;margin-bottom:20px}.drop-zone:hover{border-color:var(--secondary-color);background-color:#f0f7fa}.drop-zone.active{border-color:var(--primary-color);background-color:#e8f4f8;transform:scale(1.02)}.drop-zone.has-file{border-color:var(--success-color);background-color:#e8f8f0}.file-input{display:none}.file-label{cursor:pointer;display:block}.drop-zone-content{color:var(--text-light)}.upload-icon{font-size:4rem;display:block;margin-bottom:20px}.drop-zone-content p{font-size:1.1rem;margin-bottom:10px}.file-types{font-size:.9rem;color:var(--text-light)}.file-info{display:flex;flex-direction:column;align-items:center;gap:10px}.file-icon{font-size:3rem}.file-name{font-size:1.2rem;font-weight:600;color:var(--primary-color)}.file-size{font-size:.9rem;color:var(--text-light)}.btn-upload{width:100%;font-size:1.2rem;padding:15px;margin-top:20px}.btn-upload:disabled{background-color:#95a5a6;cursor:not-allowed}.example-section{margin-top:40px;padding-top:30px;border-top:2px solid var(--border-color)}.example-section h3{color:var(--primary-color);margin-bottom:20px;font-size:1.2rem}.example-note{margin-top:15px;padding:10px;background-color:#fff3cd;border-right:4px solid #f39c12;border-radius:4px;color:#856404;font-weight:600}.table-wrapper{overflow-x:auto}.example-table{min-width:100%;font-size:.9rem}.example-table th{background-color:var(--primary-color);color:#fff;padding:12px 8px;white-space:nowrap}.example-table td{padding:10px 8px;white-space:nowrap}.example-table tr:nth-child(2n){background-color:#f8f9fa}.upload-options{display:flex;gap:20px;justify-content:center;margin-bottom:20px;padding:15px;background-color:#f8f9fa;border-radius:8px}.option-label{display:flex;align-items:center;gap:8px;cursor:pointer;padding:10px 15px;border:2px solid #e0e7ff;border-radius:8px;background-color:#fff;transition:all .3s ease;font-weight:500}.option-label:hover{border-color:var(--primary-color);background-color:#f0f4ff}.option-label input[type=radio]{margin:0;accent-color:var(--primary-color)}.option-label input[type=radio]:checked+span,.option-label:has(input[type=radio]:checked){color:var(--primary-color);border-color:var(--primary-color);background-color:#f0f4ff}.month-selector{margin-bottom:20px;padding:15px;background-color:#fff7ed;border:1px solid #fed7aa;border-radius:8px}.month-selector label{display:block;margin-bottom:8px;font-weight:600;color:#9a3412}.month-select-dropdown{width:100%;padding:10px 12px;border:2px solid #fed7aa;border-radius:6px;font-size:1rem;background-color:#fff;cursor:pointer;transition:border-color .3s ease}.month-select-dropdown:focus{outline:none;border-color:#ea580c;box-shadow:0 0 0 3px #ea580c1a}.month-select-dropdown option{padding:8px}.year-selector{margin-bottom:20px;padding:15px;background-color:#f0f9ff;border:1px solid #bae6fd;border-radius:8px}.year-selector label{display:block;margin-bottom:8px;font-weight:600;color:#0c4a6e}.year-select-dropdown{width:100%;padding:10px 12px;border:2px solid #bae6fd;border-radius:6px;font-size:1rem;background-color:#fff;cursor:pointer;transition:border-color .3s ease}.year-select-dropdown:focus{outline:none;border-color:#0284c7;box-shadow:0 0 0 3px #0284c71a}.year-management{margin-top:30px;margin-bottom:30px;padding:20px;background-color:#fef3c7;border:1px solid #f59e0b;border-radius:8px}.year-management h3{color:#92400e;margin-bottom:10px}.year-management p{color:#92400e;margin-bottom:15px;font-size:.9rem}.safety-note{background-color:#fefce8;border:1px solid #eab308;border-radius:6px;padding:10px;color:#713f12!important;font-size:.85rem!important;margin-bottom:15px!important}.safety-note strong{color:#713f12;font-weight:600}.year-transfer-select{width:100%;padding:10px 12px;border:2px solid #f59e0b;border-radius:6px;font-size:1rem;background-color:#fff;cursor:pointer;transition:border-color .3s ease}.year-transfer-select:focus{outline:none;border-color:#d97706;box-shadow:0 0 0 3px #d977061a}@media (max-width: 768px){.upload-excel-container h2{font-size:1.5rem}.drop-zone{padding:20px}.upload-icon{font-size:3rem}.example-table{font-size:.8rem}.example-table th,.example-table td{padding:8px 5px}}.excel-template-section{margin-bottom:30px}.create-template-box{background:linear-gradient(135deg,#e8f5e8,#f0f8ff);border:2px solid #28a745;border-radius:12px;padding:25px;text-align:center}.create-template-box h3{color:#28a745;margin-bottom:15px;font-size:1.3rem}.create-template-box p{margin-bottom:20px;color:#495057;line-height:1.6}.btn-create-template{background:linear-gradient(135deg,#28a745,#20c997);color:#fff;border:none;padding:15px 30px;font-size:1.1rem;border-radius:8px;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 12px #28a7454d}.btn-create-template:hover{background:linear-gradient(135deg,#218838,#1da88a);transform:translateY(-2px);box-shadow:0 6px 20px #28a74566}.template-note{margin-top:15px!important;font-size:.9rem;color:#6c757d;font-style:italic}.attendance-info{background-color:#fff3cd;border:2px solid #ffc107;border-radius:8px;padding:20px}.attendance-info h3{color:#856404;margin-bottom:15px}.attendance-info ul{color:#6c5a00;margin-right:20px}.attendance-info li{margin-bottom:8px;line-height:1.6}.youths-list-container{max-width:1200px;margin:0 auto;--primary-color: #1e3a8a;--secondary-color: #1e40af;--accent-color: #f59e0b;--success-color: #059669;--danger-color: #dc2626;--border-color: #dfe6e9;--text-dark: #2c3e50;--text-light: #7f8c8d}.card{position:relative}.list-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:30px;flex-wrap:wrap;gap:20px;position:sticky;top:0;background-color:#fff;z-index:100;padding:15px 0;box-shadow:0 2px 8px #0000000d}.header-title{display:flex;align-items:center;gap:20px}.logo{height:80px;width:auto;object-fit:contain;border-radius:8px;box-shadow:0 2px 8px #0000001a}.list-header h2{margin:0;color:var(--primary-color);font-size:2rem}.stats{display:flex;gap:15px}.header-actions{display:flex;align-items:center}.back-btn{padding:8px 18px;background-color:#6c757d;color:#fff;border:none;border-radius:8px;font-size:.95rem;cursor:pointer;transition:background-color .2s}.back-btn:hover{background-color:#5a6268}.year-filter{margin-bottom:20px;padding:15px;background-color:#f8f9fa;border-radius:8px;display:flex;align-items:center;gap:10px}.year-filter label{font-weight:600;color:var(--primary-color);white-space:nowrap}.year-filter-select{padding:8px 12px;border:2px solid #e0e0e0;border-radius:6px;font-size:16px;color:#333;background-color:#fff;cursor:pointer;transition:all .3s ease;min-width:150px}.year-filter-select:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #4a90e21a}.year-filter-select:hover{border-color:var(--primary-color)}.stat-badge{background-color:var(--primary-color);color:#fff;padding:10px 20px;border-radius:20px;font-weight:600;font-size:1rem}.loading{text-align:center;font-size:1.5rem;padding:40px;color:var(--text-light)}.empty-state{text-align:center;padding:60px 20px}.empty-icon{font-size:5rem;display:block;margin-bottom:20px}.empty-state p{font-size:1.2rem;color:var(--text-dark);margin-bottom:10px}.empty-hint{color:var(--text-light);font-size:1rem}.table-info{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px;padding:12px 20px;background-color:#f8f9fa;border-radius:8px;border-right:4px solid var(--primary-color);position:sticky;top:110px;z-index:99;box-shadow:0 2px 4px #0000001a}.table-info-item{display:flex;align-items:center;gap:8px;font-weight:600;color:var(--text-dark)}.frozen-indicator{background-color:var(--accent-color);color:#fff;padding:4px 12px;border-radius:15px;font-size:.85rem;font-weight:600}.table-wrapper{overflow-x:scroll!important;overflow-y:auto;max-width:100%;max-height:600px;border:2px solid var(--border-color);border-radius:8px;background-color:#fff;box-shadow:0 2px 8px #00000026;position:relative}.table-wrapper::-webkit-scrollbar{height:16px;width:16px}.table-wrapper::-webkit-scrollbar-track{background:#e0e0e0;border-radius:8px;margin:4px}.table-wrapper::-webkit-scrollbar-thumb{background:linear-gradient(135deg,#93c5fd,#bfdbfe);border-radius:8px;border:3px solid #e0e0e0}.table-wrapper::-webkit-scrollbar-thumb:hover{background:linear-gradient(135deg,#60a5fa,#93c5fd)}.table-wrapper::-webkit-scrollbar-corner{background:#e0e0e0}.youths-table{width:max-content;min-width:100%;border-collapse:separate;border-spacing:0;font-size:.9rem}.youths-table th{background:linear-gradient(135deg,#f0f9ff,#bfdbfe);color:#1e3a8a;padding:12px 15px;text-align:right;font-weight:700;white-space:nowrap;position:sticky;z-index:10;border-left:1px solid rgba(30,58,138,.2);box-shadow:0 2px 4px #00000014;text-shadow:0 1px 2px rgba(255,255,255,.8)}.header-row th{top:0}.filter-row th{top:44px;background:linear-gradient(135deg,#dbeafe,#93c5fd);color:#1e3a8a;padding:8px 10px}.youths-table th:nth-child(1),.youths-table td:nth-child(1){position:sticky;right:0;z-index:8;background-color:#fff;box-shadow:2px 0 8px #00000026}.youths-table th:nth-child(1){z-index:20;background:linear-gradient(135deg,#dbeafe,#93c5fd);color:#1e3a8a}.youths-table th:nth-child(2),.youths-table td:nth-child(2){position:sticky;right:50px;z-index:7;background-color:#fff;box-shadow:2px 0 8px #00000026}.youths-table th:nth-child(2){z-index:19;background:linear-gradient(135deg,#dbeafe,#93c5fd);color:#1e3a8a;right:50px}.youths-table th:nth-child(3),.youths-table td:nth-child(3){position:sticky;right:180px;z-index:6;background-color:#fff;box-shadow:2px 0 8px #00000026}.youths-table th:nth-child(3){z-index:18;background:linear-gradient(135deg,#dbeafe,#93c5fd);color:#1e3a8a;right:180px}.youths-table td{padding:10px 15px;border-bottom:1px solid var(--border-color);border-left:1px solid var(--border-color);text-align:right;white-space:nowrap;min-width:120px;background-color:#fff}.youths-table td[data-field-type=date]{font-family:Courier New,monospace;font-weight:600;color:#2c3e50;direction:ltr;text-align:center;min-width:100px}input[placeholder*="__.__"]{background:linear-gradient(90deg,#fff,#fff 20%,#e8f6fc,#e8f6fc,#fff 23%,#fff 45%,#e8f6fc,#e8f6fc,#fff 48%,#fff);border:2px solid #3a9cc4;transition:all .3s ease}input[placeholder*="__.__"]:focus{background:#fff;border-color:#2c3e50;box-shadow:0 0 0 3px #2c3e501a}.form-group input,.form-group select,.form-group textarea,.form-group .searchable-select{width:100%;max-width:280px;min-width:200px}.form-group input[placeholder*="__.__"]{max-width:150px;width:150px;min-width:150px}.youths-table td:nth-child(1){min-width:50px;@keyframes fadeIn{0%{opacity:0;transform:scale(.8)}to{opacity:1;transform:scale(1)}}font-weight:600;text-align:center}.youths-table td:nth-child(1) .youths-table th:last-child,.youths-table td:nth-child(1) .youths-table td:last-child{position:sticky;left:0;z-index:5;background-color:#fff;box-shadow:-2px 0 8px #00000026;min-width:140px}.youths-table td:nth-child(1) .youths-table th:last-child{z-index:17;background:linear-gradient(135deg,#dbeafe,#93c5fd);color:#1e3a8a}.youths-table td:nth-child(1) .filter-row th:last-child{background:linear-gradient(135deg,#dbeafe,#93c5fd)}.youths-table td:nth-child(1) .filter-input{width:100%;padding:6px 10px;border:1px solid rgba(30,58,138,.25);border-radius:4px;background-color:#fffffff2;color:var(--text-dark);font-size:.9rem;transition:all .3s ease}.youths-table td:nth-child(1) .filter-input::placeholder{color:#7f8c8d;font-size:.85rem}.youths-table td:nth-child(1) .filter-input:focus{outline:none;border-color:var(--accent-color);background-color:#fff;box-shadow:0 0 0 2px #f39c1233}.youths-table td:nth-child(1) .filter-badge{background-color:var(--accent-color);animation:fadeIn .3s ease}.youths-table td:nth-child(2),.youths-table td:nth-child(3){min-width:130px;font-weight:700;color:var(--primary-color)}.youths-table tbody tr:hover{background-color:#f8f9fa}.youths-table tbody tr:nth-child(2n){background-color:#fafbfc}.btn-action{background:none;border:none;cursor:pointer;font-size:1.3rem;padding:6px 10px;transition:all .2s ease;margin:0 3px;border-radius:6px}.btn-action:hover{transform:scale(1.15);background-color:#0000000d}.btn-view:hover{background-color:#4a90b81a}.btn-edit{color:#f39c12}.btn-edit:hover{background-color:#f39c121a}.btn-delete{color:#e74c3c}.btn-delete:hover{background-color:#e74c3c1a}@media (max-width: 768px){.list-header{flex-direction:column;align-items:flex-start}.list-header h2{font-size:1.5rem}.youths-table{font-size:.85rem}.youths-table th,.youths-table td{padding:10px 5px}}.btn-add-youth{background:linear-gradient(145deg,#2ecc71,#27ae60);color:#fff;border:none;padding:12px 20px;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease;box-shadow:0 2px 10px #2ecc714d;margin-right:20px}.btn-add-youth:hover{transform:translateY(-2px);box-shadow:0 4px 15px #2ecc7166;background:linear-gradient(145deg,#27ae60,#2ecc71)}.btn-add-youth:active{transform:translateY(0);box-shadow:0 2px 5px 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20px;border-radius:8px;border:1px solid #f87171;font-size:.9rem;font-weight:600;box-shadow:0 2px 6px #dc26261a;animation:shake .5s ease-in-out}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-5px)}75%{transform:translate(5px)}}@media (max-width: 768px){.user-login-container{padding:15px}.user-login-card{padding:35px 25px;border-radius:20px}.user-login-logo{width:100px;height:100px;padding:6px}.user-login-header h2{font-size:1.5rem}.user-password-input{max-width:300px;padding:16px 22px;font-size:1rem}.auth-btn{padding:16px 35px;font-size:1rem;min-width:160px}}.user-login-card{animation:fadeInUp .8s cubic-bezier(.4,0,.2,1)}.user-login-card:before{content:"";position:absolute;top:-2px;left:-2px;right:-2px;bottom:-2px;background:linear-gradient(135deg,#1e3a8a,#2563eb,#f59e0b);background-size:200% 200%;border-radius:inherit;z-index:-1;animation:gradientShift 4s ease infinite;opacity:.4}@keyframes gradientShift{0%,to{background-position:0% 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