:root{--primary-color: #2196F3;--secondary-color: #FFC107;--success-color: #4CAF50;--error-color: #F44336;--warning-color: #FF9800;--info-color: #2196F3;--text-primary: #212121;--text-secondary: #757575;--background-primary: #ffffff;--background-secondary: #f5f5f5;--border-radius: 8px;--shadow-light: 0 2px 4px rgba(0,0,0,.1);--shadow-medium: 0 4px 8px rgba(0,0,0,.15);--shadow-heavy: 0 8px 16px rgba(0,0,0,.2);--transition-fast: .15s ease;--transition-normal: .3s ease;--transition-slow: .5s ease}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.6;color:var(--text-primary);background-color:var(--background-primary)}.container{max-width:1200px;margin:0 auto;padding:0 1rem}*:focus{outline:2px solid var(--primary-color);outline-offset:2px}html{scroll-behavior:smooth}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:fadeIn var(--transition-normal) ease-out}@media (max-width: 768px){.container{padding:0 .5rem}}@media print{*{background:transparent!important;color:#000!important;box-shadow:none!important;text-shadow:none!important}}:root{--primary-color: #2196F3;--primary-dark: #1976D2;--primary-light: #BBDEFB;--secondary-color: #FF5722;--accent-color: #4CAF50;--warning-color: #FF9800;--error-color: #F44336;--gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--gradient-surface: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);--gray-50: #fafafa;--gray-100: #f5f5f5;--gray-200: #eeeeee;--gray-300: #e0e0e0;--gray-400: #bdbdbd;--gray-500: #9e9e9e;--gray-600: #757575;--gray-700: #616161;--gray-800: #424242;--gray-900: #212121;--font-family-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;--font-family-mono: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas, monospace;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 1.875rem;--font-weight-normal: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--border-radius-sm: .25rem;--border-radius-md: .375rem;--border-radius-lg: .5rem;--border-radius-xl: .75rem;--border-radius-2xl: 1rem;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--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-fast: .15s ease;--transition-base: .2s ease;--transition-slow: .3s ease;--z-dropdown: 1000;--z-sticky: 1020;--z-fixed: 1030;--z-modal-backdrop: 1040;--z-modal: 1050;--z-popover: 1060;--z-tooltip: 1070;--z-toast: 1080}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth}body{font-family:var(--font-family-base);font-size:var(--font-size-base);line-height:1.6;color:var(--gray-900);background-color:var(--gray-50);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3,h4,h5,h6{font-weight:var(--font-weight-semibold);line-height:1.2;margin-bottom:var(--spacing-md)}h1{font-size:var(--font-size-3xl)}h2{font-size:var(--font-size-2xl)}h3{font-size:var(--font-size-xl)}h4{font-size:var(--font-size-lg)}h5{font-size:var(--font-size-base)}h6{font-size:var(--font-size-sm)}p{margin-bottom:var(--spacing-md)}.form-floating{position:relative}.form-floating .form-control{padding:1rem .75rem .5rem;border-radius:var(--border-radius-lg);border:2px solid var(--gray-300);transition:all var(--transition-base)}.form-floating .form-control:focus{border-color:var(--primary-color);box-shadow:0 0 0 3px rgba(33,150,243,.1);transform:translateY(-2px)}.form-floating .form-control:not(:placeholder-shown){padding-top:1.25rem;padding-bottom:.25rem}.form-floating .form-label{position:absolute;top:0;left:0;width:100%;height:100%;padding:1rem .75rem;overflow:hidden;text-align:start;text-overflow:ellipsis;white-space:nowrap;pointer-events:none;border:2px solid transparent;transform-origin:0 0;transition:all var(--transition-base);color:var(--gray-600)}.form-floating .form-control:focus~.form-label,.form-floating .form-control:not(:placeholder-shown)~.form-label{opacity:.65;transform:scale(.85) translateY(-.5rem) translate(.15rem);color:var(--primary-color)}.btn-modern{position:relative;display:inline-flex;align-items:center;gap:.5rem;padding:.75rem 1.5rem;border:none;border-radius:var(--border-radius-xl);font-weight:var(--font-weight-semibold);font-size:var(--font-size-sm);text-decoration:none;cursor:pointer;transition:all var(--transition-base);overflow:hidden;background:linear-gradient(135deg,var(--primary-color) 0%,var(--primary-dark) 100%);color:#fff;box-shadow:var(--shadow-md)}.btn-modern:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.3),transparent);transition:left .6s ease}.btn-modern:hover:before{left:100%}.btn-modern:hover{transform:translateY(-2px) scale(1.02);box-shadow:var(--shadow-xl)}.btn-modern:active{transform:translateY(0) scale(.98)}.btn-modern.btn-outline{background:transparent;color:var(--primary-color);border:2px solid var(--primary-color)}.btn-modern.btn-outline:hover{background:var(--primary-color);color:#fff}.card-modern{background:#fff;border-radius:var(--border-radius-2xl);box-shadow:var(--shadow-sm);border:1px solid rgba(0,0,0,.05);transition:all var(--transition-base);overflow:hidden;position:relative}.card-modern:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--primary-color),var(--accent-color),var(--warning-color));opacity:0;transition:opacity var(--transition-base)}.card-modern:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.card-modern:hover:before{opacity:1}.card-modern .card-header{padding:1.5rem;border-bottom:1px solid var(--gray-200);background:linear-gradient(135deg,var(--gray-50) 0%,white 100%)}.card-modern .card-body{padding:1.5rem}.card-modern .card-footer{padding:1rem 1.5rem;background:var(--gray-50);border-top:1px solid var(--gray-200)}.alert-modern{padding:1rem 1.5rem;border-radius:var(--border-radius-lg);border:none;display:flex;align-items:center;gap:.75rem;margin-bottom:var(--spacing-md);position:relative;overflow:hidden}.alert-modern:before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px}.alert-modern.alert-success{background:linear-gradient(135deg,rgba(76,175,80,.1),rgba(76,175,80,.05));color:var(--success-color)}.alert-modern.alert-success:before{background:var(--success-color)}.alert-modern.alert-error{background:linear-gradient(135deg,rgba(244,67,54,.1),rgba(244,67,54,.05));color:var(--error-color)}.alert-modern.alert-error:before{background:var(--error-color)}.alert-modern.alert-warning{background:linear-gradient(135deg,rgba(255,152,0,.1),rgba(255,152,0,.05));color:var(--warning-color)}.alert-modern.alert-warning:before{background:var(--warning-color)}.alert-modern.alert-info{background:linear-gradient(135deg,rgba(33,150,243,.1),rgba(33,150,243,.05));color:var(--info-color)}.alert-modern.alert-info:before{background:var(--info-color)}.alert-icon{font-size:1.25rem;flex-shrink:0}.alert-content{flex:1}.alert-title{font-weight:var(--font-weight-semibold);margin-bottom:.25rem}.alert-message{font-size:var(--font-size-sm);opacity:.9}.modal-modern{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.6);backdrop-filter:blur(8px);z-index:var(--z-modal);display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:all var(--transition-base)}.modal-modern.show{opacity:1;visibility:visible}.modal-dialog{background:#fff;border-radius:var(--border-radius-2xl);box-shadow:var(--shadow-xl);max-width:90vw;max-height:90vh;overflow:hidden;transform:scale(.8) translateY(50px);transition:transform var(--transition-base)}.modal-modern.show .modal-dialog{transform:scale(1) translateY(0)}.modal-header-modern{padding:1.5rem 2rem;border-bottom:1px solid var(--gray-200);display:flex;align-items:center;justify-content:space-between;background:linear-gradient(135deg,var(--gray-50) 0%,white 100%)}.modal-title{font-size:var(--font-size-xl);font-weight:var(--font-weight-semibold);color:var(--gray-900);margin:0}.modal-close-btn{background:none;border:none;font-size:1.5rem;color:var(--gray-500);cursor:pointer;padding:.5rem;border-radius:var(--border-radius-md);transition:all var(--transition-fast)}.modal-close-btn:hover{background:var(--gray-100);color:var(--gray-700);transform:scale(1.1)}.modal-body-modern{padding:2rem;max-height:60vh;overflow-y:auto}.modal-footer-modern{padding:1.5rem 2rem;border-top:1px solid var(--gray-200);background:var(--gray-50);display:flex;gap:1rem;justify-content:flex-end}.toggle-modern{position:relative;display:inline-block;width:60px;height:34px}.toggle-modern input{opacity:0;width:0;height:0}.toggle-slider{position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;background:var(--gray-300);transition:all var(--transition-base);border-radius:34px;box-shadow:inset 0 2px 4px rgba(0,0,0,.1)}.toggle-slider:before{position:absolute;content:"";height:26px;width:26px;left:4px;bottom:4px;background:#fff;transition:all var(--transition-base);border-radius:50%;box-shadow:0 2px 8px rgba(0,0,0,.2)}.toggle-modern input:checked+.toggle-slider{background:var(--primary-color);box-shadow:0 0 0 2px rgba(33,150,243,.2)}.toggle-modern input:checked+.toggle-slider:before{transform:translate(26px)}.toggle-modern input:focus+.toggle-slider{box-shadow:0 0 0 3px rgba(33,150,243,.2)}.input-group-modern{position:relative;display:flex;align-items:center;margin-bottom:var(--spacing-md)}.input-group-modern .form-control{border-radius:var(--border-radius-lg);border:2px solid var(--gray-300);padding:.75rem 1rem;font-size:var(--font-size-base);transition:all var(--transition-base);background:#fff}.input-group-modern .form-control:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px rgba(33,150,243,.1);transform:translateY(-1px)}.input-group-modern .input-icon{position:absolute;left:1rem;color:var(--gray-500);z-index:1;transition:color var(--transition-fast)}.input-group-modern .form-control:focus+.input-icon,.input-group-modern .form-control:focus~.input-icon{color:var(--primary-color)}.input-group-modern .form-control.has-icon{padding-left:3rem}.loading-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:rgba(255,255,255,.9);display:flex;align-items:center;justify-content:center;z-index:10;border-radius:inherit}.spinner-modern{width:40px;height:40px;border:3px solid var(--gray-200);border-top:3px solid var(--primary-color);border-radius:50%;animation:spin 1s linear infinite}.table-modern{width:100%;border-collapse:separate;border-spacing:0;background:#fff;border-radius:var(--border-radius-lg);overflow:hidden;box-shadow:var(--shadow-sm)}.table-modern th{background:linear-gradient(135deg,var(--gray-50) 0%,var(--gray-100) 100%);padding:1rem;font-weight:var(--font-weight-semibold);color:var(--gray-700);border-bottom:2px solid var(--gray-200);position:sticky;top:0;z-index:1}.table-modern td{padding:1rem;border-bottom:1px solid var(--gray-200);transition:background-color var(--transition-fast)}.table-modern tbody tr:hover td{background:var(--gray-50)}.table-modern tbody tr:last-child td{border-bottom:none}.tabs-modern{display:flex;border-bottom:2px solid var(--gray-200);margin-bottom:var(--spacing-lg);overflow-x:auto}.tab-modern{padding:1rem 1.5rem;background:none;border:none;color:var(--gray-600);font-weight:var(--font-weight-medium);cursor:pointer;transition:all var(--transition-base);position:relative;white-space:nowrap}.tab-modern:after{content:"";position:absolute;bottom:-2px;left:0;right:0;height:2px;background:var(--primary-color);transform:scaleX(0);transition:transform var(--transition-base)}.tab-modern:hover{color:var(--primary-color);background:rgba(33,150,243,.05)}.tab-modern.active{color:var(--primary-color)}.tab-modern.active:after{transform:scaleX(1)}.progress-modern{width:100%;height:8px;background:var(--gray-200);border-radius:4px;overflow:hidden;position:relative}.progress-bar-modern{height:100%;background:linear-gradient(90deg,var(--primary-color),var(--accent-color));border-radius:4px;transition:width var(--transition-base);position:relative}.progress-bar-modern:after{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.4),transparent);animation:shimmer 2s infinite}@keyframes shimmer{0%{transform:translate(-100%)}to{transform:translate(100%)}}.form-select,.speed-select{display:block;width:100%;padding:8px 12px;font-size:14px;font-weight:400;line-height:1.5;color:#333;background-color:#fff;background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23333' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m1 6 7 7 7-7'/%3e%3c/svg%3e");background-repeat:no-repeat;background-position:right 8px center;background-size:16px 12px;border:1px solid #ddd;border-radius:6px;transition:border-color .15s ease-in-out,box-shadow .15s ease-in-out;-webkit-appearance:none;appearance:none}.form-select:focus,.speed-select:focus{border-color:#4285f4;outline:0;box-shadow:0 0 0 3px rgba(66,133,244,.1)}.form-select:hover,.speed-select:hover{border-color:#bbb}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);line-height:1.5;text-decoration:none;border:1px solid transparent;border-radius:var(--border-radius-lg);cursor:pointer;transition:all var(--transition-base);user-select:none;white-space:nowrap}.btn:focus{outline:2px solid var(--primary-color);outline-offset:2px}.btn:disabled{opacity:.6;cursor:not-allowed;pointer-events:none}.btn-primary{background:var(--gradient-primary);color:#fff;border-color:var(--primary-color)}.btn-primary:hover:not(:disabled){transform:translateY(-1px);box-shadow:var(--shadow-lg)}.btn-secondary{background:#fff;color:var(--gray-700);border-color:var(--gray-300)}.btn-secondary:hover:not(:disabled){background:var(--gray-50);border-color:var(--gray-400)}.btn-success{background:var(--accent-color);color:#fff;border-color:var(--accent-color)}.btn-warning{background:var(--warning-color);color:#fff;border-color:var(--warning-color)}.btn-danger{background:var(--error-color);color:#fff;border-color:var(--error-color)}.btn-sm{padding:var(--spacing-xs) var(--spacing-sm);font-size:var(--font-size-xs)}.btn-lg{padding:var(--spacing-md) var(--spacing-xl);font-size:var(--font-size-lg)}.card{background:#fff;border-radius:var(--border-radius-xl);box-shadow:var(--shadow-sm);overflow:hidden;transition:box-shadow var(--transition-base)}.card:hover{box-shadow:var(--shadow-md)}.card-header{padding:var(--spacing-lg);border-bottom:1px solid var(--gray-200);background:var(--gray-50)}.card-body{padding:var(--spacing-lg)}.card-footer{padding:var(--spacing-lg);border-top:1px solid var(--gray-200);background:var(--gray-50)}.form-group{margin-bottom:var(--spacing-lg)}.form-label{display:block;margin-bottom:var(--spacing-sm);font-weight:var(--font-weight-medium);color:var(--gray-700)}.form-control{display:block;width:100%;padding:var(--spacing-sm) var(--spacing-md);font-size:var(--font-size-base);line-height:1.5;color:var(--gray-900);background:#fff;border:1px solid var(--gray-300);border-radius:var(--border-radius-md);transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.form-control:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px 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