:root{--primary: #4f46e5;--primary-dark: #4338ca;--primary-light: #6366f1;--secondary: #64748b;--success: #10b981;--success-light: #d1fae5;--danger: #ef4444;--danger-light: #fee2e2;--warning: #f59e0b;--warning-light: #fef3c7;--info: #3b82f6;--dark: #1f2937;--dark-light: #374151;--light: #f3f4f6;--light-dark: #e5e7eb;--white: #ffffff;--text: #111827;--text-secondary: #6b7280;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--shadow-sm: 0 1px 2px 0 rgba(0,0,0,.05);--shadow: 0 1px 3px 0 rgba(0,0,0,.1), 0 1px 2px 0 rgba(0,0,0,.06);--shadow-md: 0 4px 6px -1px rgba(0,0,0,.1), 0 2px 4px -1px rgba(0,0,0,.06);--shadow-lg: 0 10px 15px -3px rgba(0,0,0,.1), 0 4px 6px -2px rgba(0,0,0,.05);--shadow-xl: 0 20px 25px -5px rgba(0,0,0,.1), 0 10px 10px -5px rgba(0,0,0,.04);--transition: all .3s cubic-bezier(.4, 0, .2, 1)}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background-color:#0f172a;color:var(--text);line-height:1.6;overflow-x:hidden}body.no-scroll{overflow:hidden!important;position:fixed!important;width:100%!important;top:0!important;left:0!important;touch-action:none!important}html:has(body.no-scroll){overflow:hidden!important}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.2}h1{font-size:2.25rem}h2{font-size:1.875rem}h3{font-size:1.5rem}h4{font-size:1.25rem}h5{font-size:1.125rem}h6{font-size:1rem}p{margin-bottom:var(--spacing-md)}.text-muted{color:var(--text-secondary)}.text-center{text-align:center}.btn{padding:var(--spacing-sm) 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var(--spacing-md);border:1px solid var(--light-dark);border-radius:var(--radius-md);font-size:1rem;font-family:inherit;transition:var(--transition);background-color:var(--white);color:var(--text);width:100%}input[type=text]:focus,input[type=email]:focus,input[type=password]:focus,input[type=number]:focus,input[type=file]:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #4f46e51a}input[type=file],select{cursor:pointer}textarea{resize:vertical;min-height:100px}.spinner{display:inline-block;width:20px;height:20px;border:3px solid rgba(0,0,0,.1);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}.spinner.large{width:40px;height:40px;border-width:4px}@keyframes spin{to{transform:rotate(360deg)}}.alert{padding:var(--spacing-md) var(--spacing-lg);border-radius:var(--radius-md);margin-bottom:var(--spacing-md);animation:slideIn .3s 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var(--spacing-lg);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);animation:slideInRight .3s ease-out;background-color:var(--dark);color:var(--white)}.toast.success{background-color:var(--success)}.toast.error{background-color:var(--danger)}.toast.warning{background-color:var(--warning)}.toast.info{background-color:var(--info)}.toast-close{background:none;border:none;color:inherit;cursor:pointer;font-size:1rem;opacity:.7;padding:0;flex-shrink:0}.toast-close:hover{opacity:1}@keyframes slideInRight{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}.modal{position:fixed;top:0;right:0;bottom:0;left:0;background-color:#00000080;z-index:10000;overflow-y:auto;-webkit-overflow-scrolling:touch;padding:20px}.modal-content{background-color:var(--white);border-radius:var(--radius-lg);box-shadow:var(--shadow-xl);width:100%;max-width:520px;margin:40px auto;animation:slideUp .3s 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h3{margin-bottom:var(--spacing-md)}.table-container{overflow-x:auto;-webkit-overflow-scrolling:touch;margin-bottom:var(--spacing-lg);width:100%}table{width:100%;border-collapse:collapse;font-size:.875rem;min-width:600px}thead{background-color:var(--light)}th{padding:var(--spacing-md);text-align:left;font-weight:600;color:var(--text);border-bottom:2px solid var(--light-dark);white-space:nowrap}td{padding:var(--spacing-md);border-bottom:1px solid var(--light-dark);vertical-align:middle}tbody tr:hover{background-color:#f9fafb}.table-actions{display:flex;gap:var(--spacing-sm);flex-wrap:wrap}.action-btn{padding:.25rem .75rem;font-size:.75rem;border:none;border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition);white-space:nowrap}.action-btn.edit{background-color:var(--info);color:var(--white)}.action-btn.edit:hover{background-color:#2563eb}.action-btn.delete{background-color:var(--danger);color:var(--white)}.action-btn.delete:hover{background-color:#dc2626}.action-btn.view{background-color:var(--primary);color:var(--white)}.action-btn.view:hover{background-color:var(--primary-dark)}.admin-page{display:flex;min-height:100vh;background-color:var(--light);position:relative;overflow-x:hidden}.sidebar{width:250px;background-color:var(--dark);color:var(--white);padding:var(--spacing-lg);display:flex;flex-direction:column;box-shadow:var(--shadow-md);position:fixed;height:100vh;overflow-y:auto;z-index:500;top:0;left:0;transition:left .3s ease}.sidebar-header{margin-bottom:var(--spacing-2xl);display:flex;justify-content:space-between;align-items:center}.sidebar-header h2{color:var(--white);font-size:1.5rem}.sidebar-nav{display:flex;flex-direction:column;gap:var(--spacing-md);flex:1}.nav-btn{background:none;border:none;color:var(--text-secondary);text-align:left;padding:var(--spacing-md) var(--spacing-lg);cursor:pointer;border-radius:var(--radius-md);transition:var(--transition);font-size:.95rem;font-weight:500}.nav-btn:hover{background-color:var(--dark-light);color:var(--white)}.nav-btn.active{background-color:var(--primary);color:var(--white)}.sidebar-footer{border-top:1px solid var(--dark-light);padding-top:var(--spacing-lg)}.menu-toggle{display:none;background:none;border:none;font-size:1.5rem;cursor:pointer;color:var(--text);padding:4px}.main-content{margin-left:250px;flex:1;display:flex;flex-direction:column;min-width:0}.admin-header{background-color:var(--white);padding:var(--spacing-lg) var(--spacing-xl);box-shadow:var(--shadow-sm);position:sticky;top:0;z-index:100}.header-content{display:flex;justify-content:space-between;align-items:center}.header-left{display:flex;align-items:center;gap:12px}.header-user{display:flex;align-items:center;gap:var(--spacing-md);color:var(--text-secondary)}.content-wrapper{flex:1;padding:var(--spacing-xl);overflow-y:auto;overflow-x:hidden}.sidebar-overlay{display:none;position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;z-index:499;cursor:pointer;-webkit-tap-highlight-color:transparent}.tabs{display:flex;gap:var(--spacing-md);margin-bottom:var(--spacing-lg);border-bottom:1px solid var(--light-dark);overflow-x:auto;-webkit-overflow-scrolling:touch}.tab-btn{padding:var(--spacing-md) var(--spacing-lg);background:none;border:none;border-bottom:3px solid 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var(--light-dark);border-radius:var(--radius-md);font-size:1rem;width:100%}.table-preview{background-color:var(--light);padding:var(--spacing-lg);border-radius:var(--radius-md);margin-top:var(--spacing-lg)}.table-preview h4{margin-bottom:var(--spacing-md)}.table-preview table{font-size:.875rem}.import-actions{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}.progress-container{background-color:var(--light);padding:var(--spacing-lg);border-radius:var(--radius-md);margin-top:var(--spacing-lg)}.progress-bar{height:8px;background-color:var(--light-dark);border-radius:4px;overflow:hidden;margin:var(--spacing-md) 0}.progress-fill{height:100%;background-color:var(--primary);border-radius:4px;transition:width .3s 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h1{color:var(--white);margin-bottom:var(--spacing-sm)}.scanner-header p{color:var(--light-dark)}.camera-wrapper{position:relative;width:100%;aspect-ratio:1 / 1;background-color:var(--dark-light);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg)}.camera-feed{width:100%;height:100%;object-fit:cover}.camera-error{position:absolute;top:0;left:0;right:0;bottom:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background-color:var(--dark-light)}.camera-error p{margin-bottom:var(--spacing-sm);text-align:center}.scanning-indicator{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);text-align:center;z-index:10}.scan-line{width:200px;height:3px;background:linear-gradient(90deg,transparent,var(--primary),transparent);margin-bottom:var(--spacing-md);animation:scanLine 1.5s ease-in-out infinite}@keyframes scanLine{0%,to{transform:translateY(-100px)}50%{transform:translateY(100px)}}.scanning-indicator p{color:var(--white);margin-bottom:0;font-size:.875rem}.manual-input-section{text-align:center;color:var(--light-dark)}.manual-qr-input{width:100%;padding:var(--spacing-md) var(--spacing-lg);border:2px solid var(--light-dark);border-radius:var(--radius-md);background-color:var(--dark-light);color:var(--white);font-size:1rem;transition:var(--transition);text-align:center;margin-top:var(--spacing-md)}.manual-qr-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #4f46e533}.manual-qr-input::placeholder{color:var(--text-secondary)}.search-row{display:flex;gap:8px;margin-top:var(--spacing-md)}.search-row 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ease;margin:auto}.scan-success-icon{font-size:60px;margin-bottom:12px}.scan-success-card h2{font-size:20px;font-weight:800;color:var(--success);margin-bottom:16px}.scan-success-details{background:#0003;border-radius:var(--radius-md);padding:16px;margin-bottom:20px;text-align:left}.scan-team-name{font-size:18px;font-weight:800;color:#fff;margin-bottom:6px}.scan-academy{font-size:14px;color:var(--text-secondary);margin-bottom:6px}.scan-members{font-size:18px;font-weight:800;color:var(--success);margin-bottom:6px}.scan-time{font-size:12px;color:var(--text-secondary);margin-bottom:0}.hidden{display:none!important}.text-primary{color:var(--primary)}.text-success{color:var(--success)}.text-danger{color:var(--danger)}.text-warning{color:var(--warning)}.mt-md{margin-top:var(--spacing-md)}.mt-lg{margin-top:var(--spacing-lg)}.mt-xl{margin-top:var(--spacing-xl)}.mb-md{margin-bottom:var(--spacing-md)}.mb-lg{margin-bottom:var(--spacing-lg)}.mb-xl{margin-bottom:var(--spacing-xl)}.p-md{padding:var(--spacing-md)}.p-lg{padding:var(--spacing-lg)}.p-xl{padding:var(--spacing-xl)}.gap-md{gap:var(--spacing-md)}.gap-lg{gap:var(--spacing-lg)}[hidden]{display:none!important}.login-page{background:linear-gradient(135deg,#667eea,#764ba2);min-height:100vh;display:flex;align-items:center;justify-content:center;padding:var(--spacing-lg)}.login-portfolio-wrapper{width:100%;max-width:1100px;display:grid;grid-template-columns:minmax(0,1.3fr) 420px;gap:24px;align-items:center}.login-container{width:100%;max-width:400px}.login-card{background-color:var(--white);border-radius:var(--radius-lg);padding:var(--spacing-2xl);box-shadow:var(--shadow-xl);animation:slideUp .5s ease-out}.login-header{text-align:center;margin-bottom:var(--spacing-2xl)}.login-header h1{color:var(--primary);margin-bottom:var(--spacing-sm);font-size:1.5rem}.login-header p{color:var(--text-secondary);font-size:.875rem;margin-bottom:0}.login-form{margin-bottom:var(--spacing-lg)}.login-footer{border-top:1px solid var(--light-dark);padding-top:var(--spacing-lg);text-align:center}.login-footer p{margin-bottom:var(--spacing-md);color:var(--text-secondary);font-size:.875rem}.qr-showcase{background:#ffffff14;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.15);border-radius:var(--radius-xl);padding:40px 36px;color:#fff;display:flex;flex-direction:column;gap:20px}.qr-showcase-badge{display:inline-flex;align-self:flex-start;padding:8px 16px;border-radius:999px;background:#ffffff26;border:1px solid rgba(255,255,255,.25);font-size:12px;font-weight:800;letter-spacing:.5px;text-transform:uppercase;color:#fff}.qr-showcase-title{font-size:40px;font-weight:900;line-height:1.1;letter-spacing:-1px;color:#fff;margin:0}.qr-showcase-subtitle{font-size:15px;color:#fffc;line-height:1.8;margin:0}.qr-demo-main-btn{width:100%;max-width:280px;min-height:52px;font-size:16px;font-weight:700;background:#fff;color:var(--primary);border:none;border-radius:var(--radius-md);cursor:pointer;transition:var(--transition);display:inline-flex;align-items:center;justify-content:center;gap:8px}.qr-demo-main-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 25px #0003}.qr-demo-main-btn:disabled{opacity:.7;cursor:not-allowed;transform:none}.qr-demo-note{font-size:13px;color:#ffffffb3;line-height:1.7;margin:0}.qr-demo-note strong{color:#fff}.qr-feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.qr-feature-card{background:#ffffff12;border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-lg);padding:18px 16px;transition:var(--transition)}.qr-feature-card:hover{background:#ffffff1f;transform:translateY(-2px)}.qr-feature-icon{font-size:24px;margin-bottom:10px;line-height:1}.qr-feature-card h3{font-size:14px;font-weight:700;color:#fff;margin-bottom:6px}.qr-feature-card p{font-size:12px;color:#ffffffb3;line-height:1.6;margin:0}.qr-tech-stack{display:flex;flex-wrap:wrap;gap:8px}.qr-tech-pill{padding:6px 12px;border-radius:999px;background:#ffffff1a;border:1px solid rgba(255,255,255,.2);color:#ffffffe6;font-size:12px;font-weight:700}.qr-login-info-box{background:#4f46e514;border:1px solid rgba(79,70,229,.2);border-radius:var(--radius-md);padding:12px 14px;font-size:13px;color:var(--text-secondary);line-height:1.7;margin-bottom:20px}.qr-login-info-box strong{color:var(--primary)}.qr-login-divider{position:relative;text-align:center;margin:20px 0 16px}.qr-login-divider:before{content:"";position:absolute;top:50%;left:0;right:0;border-top:1px solid var(--light-dark);transform:translateY(-50%)}.qr-login-divider span{position:relative;z-index:1;display:inline-block;padding:0 12px;background:var(--white);color:var(--text-secondary);font-size:12px;font-weight:700;letter-spacing:.5px;text-transform:uppercase}@media (max-width: 1024px){.login-portfolio-wrapper{grid-template-columns:1fr;max-width:560px}.qr-showcase-title{font-size:30px}.qr-demo-main-btn{max-width:100%}.login-container{max-width:100%!important}}@media (max-width: 768px){.sidebar{left:-250px;width:250px;z-index:1000}.sidebar.active{left:0}.sidebar-overlay{display:block}.menu-toggle{display:block!important}.main-content{margin-left:0!important;width:100%}.admin-page{overflow-x:hidden}.admin-header{padding:var(--spacing-md)}.admin-header h1{font-size:1.1rem}.content-wrapper{padding:var(--spacing-md);width:100%;overflow-x:hidden}.stats-grid{grid-template-columns:repeat(3,1fr);gap:var(--spacing-sm)}.stat-card{padding:var(--spacing-md)}.stat-number{font-size:1.5rem}.stat-label{font-size:.75rem}.form-row{flex-direction:column}.form-row>*{min-width:100%}.section-controls{flex-direction:column}.search-input{min-width:100%}.table-container{overflow-x:auto;width:100%}table{font-size:.75rem;min-width:500px}th,td{padding:var(--spacing-sm);white-space:nowrap}.table-actions{flex-direction:column;gap:4px}.action-btn{width:100%;text-align:center}.mapper-row{flex-direction:column;align-items:flex-start}.mapper-row label{min-width:100%}.card{padding:var(--spacing-md)}.modal{padding:10px}.modal-content{margin:10px auto;max-width:100%}.modal-actions{flex-direction:column-reverse}.modal-actions .btn{width:100%;justify-content:center}.tabs{gap:var(--spacing-sm)}.tab-btn{padding:var(--spacing-sm) var(--spacing-md);font-size:.875rem}h2{font-size:1.25rem}h3{font-size:1.1rem}.toast-container{left:var(--spacing-sm);right:var(--spacing-sm);bottom:var(--spacing-sm);max-width:100%;width:auto}.search-row{flex-direction:column}.search-row .manual-qr-input{margin-top:0}.scanner-actions .btn{min-width:unset}.login-page{padding:var(--spacing-md);align-items:flex-start;padding-top:24px}.qr-showcase{padding:24px 20px}.qr-showcase-title{font-size:26px}.qr-feature-grid{grid-template-columns:1fr}}@media (max-width: 480px){.admin-header h1{font-size:1rem}.stat-number{font-size:1.3rem}.stats-grid{grid-template-columns:repeat(3,1fr);gap:4px}.stat-card,.content-wrapper,.card{padding:var(--spacing-sm)}table{font-size:.7rem;min-width:450px}th,td{padding:6px 4px}.section-controls .btn{width:100%;font-size:.875rem}.login-card{padding:var(--spacing-lg)}.login-header h1{font-size:1.25rem}.modal{padding:6px}.modal-content{margin:6px auto}.success-card{padding:var(--spacing-lg)}.success-icon{font-size:3rem}.scan-success-card{padding:20px 16px}.scan-success-icon{font-size:40px}.scan-members{font-size:15px}.qr-showcase{padding:20px 16px}.qr-showcase-title{font-size:22px}.qr-showcase-badge{font-size:11px;padding:6px 12px}.qr-tech-pill{font-size:11px;padding:5px 10px}}