.home-container{min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2);flex:1}.hero{text-align:center;padding:80px 20px;color:#fff}.hero h1{font-size:56px;font-weight:700;margin-bottom:10px;text-shadow:2px 2px 4px rgba(0,0,0,.2)}.hero h2{font-size:32px;font-weight:300;margin-bottom:20px;opacity:.9}.tagline{font-size:20px;margin-bottom:40px;opacity:.9;max-width:600px;margin-left:auto;margin-right:auto}.cta-buttons{display:flex;gap:20px;justify-content:center;flex-wrap:wrap}.btn-rules{margin-top:2rem;padding:.75rem 1.5rem;background:transparent;border:2px solid rgba(255,255,255,.7);color:#fff;font-size:1rem;font-weight:500;border-radius:30px;cursor:pointer;transition:all .3s ease}.btn-rules:hover{background:#ffffff26;border-color:#fff;transform:translateY(-2px)}.features{background:#fff;padding:80px 20px}.features h3{text-align:center;font-size:36px;margin-bottom:50px;color:var(--text-color)}.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:30px;max-width:1200px;margin:0 auto}.feature-card{background:#fff;padding:30px;border-radius:12px;box-shadow:var(--shadow);text-align:center;transition:transform .3s ease,box-shadow .3s ease}.feature-card:hover{transform:translateY(-5px);box-shadow:0 8px 24px #00000026}.feature-icon{font-size:48px;margin-bottom:20px}.feature-card h4{font-size:24px;margin-bottom:15px;color:var(--text-color)}.feature-card p{color:#666;line-height:1.6}@media (max-width: 768px){.hero h1{font-size:40px}.hero h2{font-size:24px}.cta-buttons{flex-direction:column;align-items:center}.cta-buttons 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0;border-radius:4px}.info-box.error{border-left-color:var(--danger-color)}.info-box h3{margin-bottom:10px;color:var(--text-color)}.info-box ol{margin-left:20px}.info-box li{margin-bottom:8px;line-height:1.6}.note{text-align:center;color:#666;font-size:14px;margin:20px 0;font-style:italic}.error-text{color:var(--danger-color)}.dashboard-container{min-height:100vh;background-color:var(--bg-light);flex:1}.dashboard-header{background:#fff;box-shadow:var(--shadow);padding:20px;margin-bottom:30px}.header-content{width:100%;max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:20px}.dashboard-header h1{font-size:28px;color:var(--text-color)}.user-info{display:flex;align-items:center;gap:15px}.admin-badge{background-color:var(--secondary-color);color:#fff;padding:4px 12px;border-radius:12px;font-size:12px;font-weight:600}.btn-profile{background:#e3f2fd;color:#1976d2;border:1px solid #1976d2;padding:8px 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var(--primary-color)}.enrollment-info{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.enrollment-id{font-weight:600;color:var(--text-color)}.enrollment-date{color:#666;font-size:14px}.no-enrollments{text-align:center;padding:40px 20px;background:#f8f9fa;border-radius:12px;border:1px dashed #dee2e6}.no-enrollments p{color:#666;margin-bottom:15px;font-size:16px}.no-enrollments .info-text{color:#6c757d;font-size:14px;line-height:1.6;margin-bottom:0}.game-actions{text-align:center;margin:2rem 0}.btn-large{padding:1rem 2.5rem;font-size:1.1rem;font-weight:700}@media (max-width: 768px){.header-content{flex-direction:column;align-items:flex-start}.user-info{width:100%;justify-content:space-between}}.sessions-list{margin-top:1.5rem}.sessions-list h3{margin-bottom:.5rem;color:var(--text-color)}.sessions-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1.5rem;margin-top:1.5rem}.session-card{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border-radius:12px;padding:1.5rem;text-align:center;transition:transform .2s}.session-card:hover{transform:translateY(-3px)}.session-card h4{margin:0 0 .75rem;font-size:1.3rem}.session-group{margin:.5rem 0;font-size:.9rem;opacity:.9}.session-status{margin:1rem 0}.session-card .btn-primary{background:#fff;color:#667eea;border:none;margin-top:.5rem}.session-card .btn-primary:hover{background:#f0f0f0}.session-card .btn-primary.btn-outline{background:transparent;border:2px solid white;color:#fff}.session-card .btn-primary.btn-outline:hover{background:#fff3}.session-card 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600px){.profile-card{flex-direction:row;align-items:flex-start}}.profile-avatar{width:120px;height:120px;border-radius:50%;background:linear-gradient(135deg,#1976d2,#64b5f6);display:flex;align-items:center;justify-content:center;flex-shrink:0}.profile-avatar span{font-size:2.5rem;font-weight:700;color:#fff;text-transform:uppercase}.profile-info{flex:1;width:100%}.info-row{display:flex;flex-direction:column;padding:12px 0;border-bottom:1px solid #eee}.info-row:last-child{border-bottom:none}@media (min-width: 600px){.info-row{flex-direction:row;justify-content:space-between;align-items:center}}.info-row label{font-weight:600;color:#666;font-size:.9rem;margin-bottom:4px}@media (min-width: 600px){.info-row label{margin-bottom:0}}.info-row span{color:#333;font-size:1rem}.role-badge{display:inline-block;padding:4px 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.btn-danger:hover{background:#b71c1c}.delete-modal{max-width:500px}.delete-modal h2{color:#c62828;margin-bottom:20px}.warning-box{background:#ffcdd2;border-radius:8px;padding:16px;margin-bottom:20px}.warning-box p{margin:0 0 8px;color:#b71c1c}.warning-box p:last-child{margin-bottom:0}.confirm-input{width:100%;padding:12px;font-size:1.1rem;border:2px solid #ef5350;border-radius:8px;text-align:center;letter-spacing:2px;font-weight:700}.confirm-input:focus{outline:none;border-color:#c62828}.modal-actions{display:flex;gap:12px;justify-content:flex-end;margin-top:24px}.modal-actions .btn-secondary{background:#f5f5f5;color:#333;border:1px solid #ddd;padding:10px 20px;border-radius:8px;cursor:pointer;font-size:1rem}.modal-actions .btn-secondary:hover{background:#e0e0e0}.modal-actions .btn-danger{background:#d32f2f;color:#fff;border:none;padding:10px 20px;border-radius:8px;cursor:pointer;font-size:1rem;font-weight:600}.modal-actions .btn-danger:hover:not(:disabled){background:#b71c1c}.modal-actions .btn-danger:disabled{background:#e0e0e0;color:#999;cursor:not-allowed}.loading,.error{text-align:center;padding:60px 20px;font-size:1.1rem;color:#666}.error{color:#c62828}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px}.modal-content{background:#fff;border-radius:16px;padding:30px;max-height:90vh;overflow-y:auto;width:100%}.form-group{margin-bottom:16px}.form-group label{display:block;margin-bottom:8px;font-weight:500;color:#333}.admin-container{min-height:100vh;background-color:var(--bg-light);flex:1}.admin-header{background:#fff;box-shadow:var(--shadow);padding:20px;margin-bottom:30px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:20px}.admin-header h1{font-size:28px;color:var(--text-color)}.header-actions{display:flex;gap:1rem;flex-wrap:wrap}.btn-primary{background:var(--primary-color);color:#fff;padding:10px 20px;border:none;border-radius:6px;font-size:16px;font-weight:600;cursor:pointer;transition:all .3s ease}.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px)}.admin-tabs{background:#fff;box-shadow:var(--shadow);display:flex;gap:2px;overflow-x:auto;margin-bottom:30px}.admin-tabs button{flex:1;padding:15px 20px;border:none;background:#fff;color:var(--text-color);font-size:16px;font-weight:500;cursor:pointer;transition:all .3s ease;white-space:nowrap}.admin-tabs button:hover{background-color:var(--bg-light)}.admin-tabs button.active{background-color:var(--primary-color);color:#fff}.admin-content{width:100%;max-width:1400px;margin:0 auto;padding:0 20px 40px}.admin-content section h2{font-size:24px;margin-bottom:20px;color:var(--text-color)}.no-data{text-align:center;color:#666;padding:40px;background:#fff;border-radius:8px}.users-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}.user-card{background:#fff;border-radius:8px;padding:20px;box-shadow:var(--shadow);transition:transform .3s ease;min-width:300px}.user-card:hover{transform:translateY(-2px);box-shadow:0 4px 16px #00000026}.user-card.pending{border-left:4px solid var(--warning-color);width:100%;max-width:600px}.users-grid:has(.user-card.pending){display:flex;flex-direction:column;gap:16px;align-items:flex-start}.user-card.pending .user-info{display:grid;grid-template-columns:1fr 1fr;gap:8px 20px}.user-card.pending .user-info h3{grid-column:1 / -1;margin-bottom:10px}.user-card.pending .user-info p{margin:0;padding:4px 0}.user-card.pending .user-info .date{grid-column:1 / -1;margin-top:10px}@media (max-width: 768px){.user-card.pending{max-width:100%}.user-card.pending .user-info{grid-template-columns:1fr}}.user-info h3{font-size:18px;margin-bottom:10px;color:var(--text-color);word-wrap:break-word}.user-info p{color:#666;margin-bottom:5px;font-size:14px;word-wrap:break-word;overflow-wrap:break-word}.user-info .date{margin-top:10px;font-size:12px;color:#999}.user-actions{display:flex;gap:10px;margin-top:15px}.btn-approve,.btn-reject{flex:1;padding:10px;border:none;border-radius:6px;font-size:14px;font-weight:500;cursor:pointer;transition:all .3s ease}.btn-approve{background-color:var(--success-color);color:#fff}.btn-approve:hover{background-color:#45a049}.btn-reject{background-color:var(--danger-color);color:#fff}.btn-reject:hover{background-color:#da190b}.table-container{background:#fff;border-radius:8px;overflow-x:auto;box-shadow:var(--shadow)}.users-table{width:100%;border-collapse:collapse}.users-table thead{background-color:var(--bg-light)}.users-table th,.users-table td{padding:15px;text-align:left;border-bottom:1px solid var(--border-color)}.users-table th{font-weight:600;color:var(--text-color)}.users-table tbody tr:hover{background-color:#fafafa}.enrollments-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}.enrollment-card{background:#fff;border-radius:8px;padding:20px;box-shadow:var(--shadow);border-left:4px solid var(--primary-color)}.enrollment-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px}.enrollment-header h3{font-size:16px;color:var(--text-color)}.enrollment-details p{color:#666;margin-bottom:5px;font-size:14px}@media (max-width: 768px){.admin-tabs{flex-direction:column}.admin-tabs button{width:100%}.users-grid,.enrollments-grid{grid-template-columns:1fr}.table-container{overflow-x:scroll}}.modal-lg{max-width:600px;width:95%}.sessions-checkbox-list{display:flex;flex-direction:column;gap:10px;max-height:250px;overflow-y:auto;padding:10px;border:1px solid var(--border-color);border-radius:6px;background:#fafafa}.checkbox-item{display:flex;align-items:center;gap:10px;padding:10px;background:#fff;border-radius:6px;cursor:pointer;transition:all .2s ease;border:1px solid transparent}.checkbox-item:hover{border-color:var(--primary-color);background:#f0f7ff}.checkbox-item input[type=checkbox]{width:18px;height:18px;cursor:pointer}.checkbox-item span{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.session-fee{color:var(--success-color);font-weight:600;font-size:13px}.session-status{font-size:11px;padding:2px 8px;border-radius:10px;background:#e0e0e0;color:#666}.session-status.open{background:#e8f5e9;color:#2e7d32}.session-status.in_progress{background:#fff3e0;color:#ef6c00}.selected-count{margin-top:10px;font-weight:600;color:var(--success-color)}.form-hint{font-size:13px;color:#666;margin-bottom:10px}.user-sessions-list{display:flex;flex-direction:column;gap:10px}.session-item{display:flex;justify-content:space-between;align-items:center;padding:12px;background:#f8f9fa;border-radius:6px;border:1px solid var(--border-color)}.session-info{flex:1}.session-info small{color:#666}.modal-content .section{margin:20px 0;padding-top:15px;border-top:1px solid var(--border-color)}.modal-content .section:first-of-type{border-top:none;padding-top:0}.modal-content .section h3{font-size:16px;margin-bottom:12px;color:var(--text-color)}.btn-sm{padding:6px 12px;font-size:13px;border-radius:4px;border:none;cursor:pointer;transition:all .2s ease}.btn-sm.btn-info{background:#17a2b8;color:#fff}.btn-sm.btn-info:hover{background:#138496}.btn-sm.btn-approve{background:var(--success-color);color:#fff}.btn-sm.btn-approve:hover{background:#45a049}.btn-sm.btn-danger{background:var(--danger-color);color:#fff}.btn-sm.btn-danger:hover{background:#c82333}.loading{text-align:center;padding:20px;color:#666}.section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.section-header h2{margin:0}.groups-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.5rem}.group-card{background:#fff;border-radius:12px;padding:1.5rem;box-shadow:var(--shadow);border-left:4px solid var(--primary-color)}.group-header h3{margin:0 0 .75rem;color:var(--text-color)}.group-details{margin-bottom:1rem}.group-desc{color:#666;font-size:.9rem;margin-bottom:.75rem}.group-stats{display:flex;gap:1.5rem;margin-bottom:.5rem}.group-stats span{color:#555;font-size:.9rem}.group-date{font-size:.8rem;color:#999}.group-actions{display:flex;gap:.5rem;flex-wrap:wrap;padding-top:.75rem;border-top:1px solid #eee}.users-checkbox-list{display:flex;flex-direction:column;gap:.5rem;max-height:400px;overflow-y:auto}.users-checkbox-list .checkbox-item{display:flex;align-items:center;gap:.75rem;padding:.75rem;background:#f8f9fa;border-radius:8px;cursor:pointer;transition:background .2s}.users-checkbox-list .checkbox-item:hover{background:#e9ecef}.users-checkbox-list .checkbox-item.in-group{background:#d4edda;border:1px solid #28a745}.users-checkbox-list .checkbox-item span{display:flex;flex-direction:column}.users-checkbox-list .checkbox-item small{font-size:.8rem;color:#666}.group-users-list{margin:1rem 0}.btn-sm.btn-secondary{background:#6c757d;color:#fff}.btn-sm.btn-secondary:hover{background:#5a6268}.sessions-by-group{display:flex;flex-direction:column;gap:1.5rem}.group-sessions-block{border:1px solid #dee2e6;border-radius:8px;padding:1rem;background:#f8f9fa}.group-sessions-title{margin:0 0 .75rem;font-size:1rem;color:#2c3e50;padding-bottom:.5rem;border-bottom:2px solid #4CAF50}.no-sessions-text{color:#666;font-style:italic;font-size:.9rem;margin:0}.no-group-selected{background:#e9ecef;padding:2rem;text-align:center;border-radius:8px;color:#666}.no-group-selected p{margin:0;font-size:1.1rem}.user-groups-list{display:flex;flex-direction:column;gap:.75rem}.group-item{display:flex;justify-content:space-between;align-items:center;padding:1rem;background:#f8f9fa;border-radius:8px;border-left:4px solid #4CAF50}.group-item:hover{background:#e9ecef}.group-info{flex:1}.group-info strong{font-size:1.05rem;color:#2c3e50}.group-info .group-desc{color:#666;font-size:.95rem}.group-info small{display:block;margin-top:.25rem;color:#888}.btn-success{background:#28a745;color:#fff;padding:10px 20px;border:none;border-radius:6px;font-size:16px;font-weight:600;cursor:pointer;transition:all .3s ease}.btn-success:hover{background:#218838;transform:translateY(-1px)}.btn-success:disabled{opacity:.6;cursor:not-allowed;transform:none}.btn-warning{background:#ffc107;color:#212529;padding:10px 20px;border:none;border-radius:6px;font-size:16px;font-weight:600;cursor:pointer;transition:all .3s ease}.btn-warning:hover{background:#e0a800;transform:translateY(-1px)}.btn-sm.btn-warning{padding:5px 10px;font-size:14px}.form-section{margin-top:1.5rem;padding:1rem;background:#f8f9fa;border-radius:8px;border-left:4px solid #4CAF50}.form-section h4{margin:0 0 1rem;color:#2c3e50;font-size:1rem}.field-hint{margin:0 0 .75rem;font-size:.85rem;color:#666;font-style:italic}.info-text{margin:.5rem 0;padding:.75rem 1rem;background:#e3f2fd;border-left:3px solid #2196F3;border-radius:4px;color:#1565c0;font-size:.9rem}.checkbox-group{display:flex;flex-direction:column;gap:.75rem}.checkbox-label{display:flex;align-items:center;gap:.75rem;cursor:pointer;padding:.5rem;border-radius:4px;transition:background 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(max-width: 480px){.footer-links{flex-direction:column;gap:25px}.footer-section{text-align:center}}:root{--toastify-color-light: #fff;--toastify-color-dark: #121212;--toastify-color-info: #3498db;--toastify-color-success: #07bc0c;--toastify-color-warning: #f1c40f;--toastify-color-error: #e74c3c;--toastify-color-transparent: rgba(255, 255, 255, .7);--toastify-icon-color-info: var(--toastify-color-info);--toastify-icon-color-success: var(--toastify-color-success);--toastify-icon-color-warning: var(--toastify-color-warning);--toastify-icon-color-error: var(--toastify-color-error);--toastify-toast-width: 320px;--toastify-toast-background: #fff;--toastify-toast-min-height: 64px;--toastify-toast-max-height: 800px;--toastify-font-family: sans-serif;--toastify-z-index: 9999;--toastify-text-color-light: #757575;--toastify-text-color-dark: #fff;--toastify-text-color-info: #fff;--toastify-text-color-success: #fff;--toastify-text-color-warning: #fff;--toastify-text-color-error: 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