:root{--primary-color: #2563eb;--primary-light: #3b82f6;--primary-dark: #1d4ed8;--secondary-color: #64748b;--success-color: #16a34a;--warning-color: #ea580c;--error-color: #dc2626;--background-color: #f8fafc;--surface-color: #ffffff;--text-primary: #1e293b;--text-secondary: #64748b;--border-color: #e2e8f0;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--border-radius: 8px;--border-radius-lg: 12px;--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;color:var(--text-primary);background-color:var(--background-color);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.loading-screen{position:fixed;top:0;left:0;width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;background-color:var(--surface-color);z-index:9999}.loading-spinner{width:40px;height:40px;border:4px solid var(--border-color);border-left-color:var(--primary-color);border-radius:50%;animation:spin 1s linear infinite;margin-bottom:var(--spacing-md)}@keyframes spin{to{transform:rotate(360deg)}}.loading-screen p{color:var(--text-secondary);font-size:14px}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.25;margin-bottom:var(--spacing-md)}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);line-height:1.6}.container{max-width:1200px;margin:0 auto;padding:0 var(--spacing-md)}.card{background:var(--surface-color);border-radius:var(--border-radius);box-shadow:var(--shadow-sm);border:1px solid var(--border-color);padding:var(--spacing-lg);transition:box-shadow .2s ease}.card:hover{box-shadow:var(--shadow-md)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--border-radius);font-size:14px;font-weight:500;text-decoration:none;border:1px solid transparent;cursor:pointer;transition:all .2s ease;gap:var(--spacing-xs)}.btn-primary{background-color:var(--primary-color);color:#fff}.btn-primary:hover{background-color:var(--primary-dark)}.btn-secondary{background-color:transparent;color:var(--text-secondary);border-color:var(--border-color)}.btn-secondary:hover{background-color:var(--background-color);color:var(--text-primary)}.btn-success{background-color:var(--success-color);color:#fff}.btn-warning{background-color:var(--warning-color);color:#fff}.form-group{margin-bottom:var(--spacing-md)}.form-label{display:block;font-size:14px;font-weight:500;color:var(--text-primary);margin-bottom:var(--spacing-xs)}.form-control{width:100%;padding:var(--spacing-sm) var(--spacing-md);border:1px solid var(--border-color);border-radius:var(--border-radius);font-size:14px;transition:border-color .2s ease}.form-control:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #2563eb1a}.form-select{background-position:right 8px center;background-repeat:no-repeat;background-size:16px;padding-right:40px}.grid{display:grid;gap:var(--spacing-lg)}.grid-cols-1{grid-template-columns:repeat(1,1fr)}.grid-cols-2{grid-template-columns:repeat(2,1fr)}.grid-cols-3{grid-template-columns:repeat(3,1fr)}.grid-cols-4{grid-template-columns:repeat(4,1fr)}@media (max-width: 768px){.grid-cols-2,.grid-cols-3,.grid-cols-4{grid-template-columns:1fr}.container{padding:0 var(--spacing-sm)}h1{font-size:1.75rem}h2{font-size:1.5rem}h3{font-size:1.25rem}}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:fadeIn .3s ease}.badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:12px;font-size:12px;font-weight:500}.badge-success{background-color:#dcfce7;color:#166534}.badge-warning{background-color:#fed7aa;color:#9a3412}.badge-error{background-color:#fecaca;color:#991b1b}.badge-info{background-color:#dbeafe;color:#1e40af}.table-container{overflow-x:auto;border-radius:var(--border-radius);border:1px solid var(--border-color)}.table{width:100%;border-collapse:collapse;background:var(--surface-color)}.table th,.table td{padding:var(--spacing-sm) var(--spacing-md);text-align:left;border-bottom:1px solid var(--border-color)}.table th{background-color:var(--background-color);font-weight:600;font-size:14px;color:var(--text-primary)}.table tbody tr:hover{background-color:var(--background-color)}.chart-container{position:relative;height:300px;margin:var(--spacing-md) 0}.stats-card{background:linear-gradient(135deg,var(--primary-color),var(--primary-light));color:#fff;border:none}.stats-card h3{font-size:2rem;font-weight:700;margin-bottom:var(--spacing-xs)}.stats-card p{font-size:14px;opacity:.9;margin-bottom:0}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.justify-center{justify-content:center}.gap-2{gap:var(--spacing-sm)}.gap-4{gap:var(--spacing-md)}.mt-4{margin-top:var(--spacing-md)}.mb-4{margin-bottom:var(--spacing-md)}.ml-4{margin-left:var(--spacing-md)}.mr-4{margin-right:var(--spacing-md)}.p-4{padding:var(--spacing-md)}.px-4{padding-left:var(--spacing-md);padding-right:var(--spacing-md)}.py-4{padding-top:var(--spacing-md);padding-bottom:var(--spacing-md)}.text-center{text-align:center}.text-right{text-align:right}.text-sm{font-size:14px}.text-lg{font-size:18px}.font-bold{font-weight:700}.font-medium{font-weight:500}.text-primary{color:var(--text-primary)}.text-secondary{color:var(--text-secondary)}.text-success{color:var(--success-color)}.text-warning{color:var(--warning-color)}.text-error{color:var(--error-color)}