:root{--color-primary: #C8694F;--color-primary-hover: #B35840;--color-secondary: #6B7F4C;--color-secondary-hover: #5A6E3F;--color-bg-page: #FAF8F3;--color-bg-card: #F5EFE6;--color-bg-white: #FFFFFF;--color-accent: #D4A574;--color-border: #8B6F47;--color-text-primary: #3D3D3D;--color-text-secondary: #666666;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--radius-md: 8px;--radius-lg: 12px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .1);--shadow-md: 0 2px 8px rgba(0, 0, 0, .1)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background-color:var(--color-bg-page);color:var(--color-text-primary);line-height:1.6}h1,h2,h3{color:var(--color-text-primary);margin-bottom:var(--spacing-md);font-weight:600}h1{font-size:2rem}h2{font-size:1.5rem}h3{font-size:1.25rem}.btn{padding:12px 24px;border:none;border-radius:var(--radius-md);font-weight:600;font-size:16px;cursor:pointer;transition:all .2s ease;box-shadow:0 2px 4px #0000001a}.btn:hover{transform:translateY(-1px);box-shadow:0 4px 8px #00000026}.btn-primary{background-color:var(--color-primary);color:#fff}.btn-primary:hover{background-color:var(--color-primary-hover)}.btn-secondary{background-color:var(--color-secondary);color:#fff}.btn-secondary:hover{background-color:var(--color-secondary-hover)}.btn-select{background-color:#f0f0f0;color:#333}.btn-select.active{background-color:#007bff;color:#fff}.btn-reclassify{background-color:#28a745;color:#fff}.btn-reclassify:hover:not(:disabled){background-color:#218838}.btn-reclassify:disabled{background-color:#6c757d;cursor:not-allowed;opacity:.6}.btn-reclassify:disabled:hover{transform:none;box-shadow:0 2px 4px #0000001a}.btn-clear{background-color:#fff;color:#dc3545;border:2px solid #dc3545}.btn-clear:hover{background-color:#dc3545;color:#fff}.card{background-color:var(--color-bg-card);border:2px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--spacing-lg);box-shadow:var(--shadow-sm)}.card-header{color:var(--color-secondary);font-weight:600;font-size:1.25rem;margin-bottom:var(--spacing-md)}.container{max-width:1200px;margin:0 auto;padding:var(--spacing-xl)}.page-header{background-color:var(--color-primary);color:#fff;padding:var(--spacing-lg);border-radius:var(--radius-lg);margin-bottom:var(--spacing-xl);font-size:1.5rem;font-weight:600}.grid{display:grid;gap:var(--spacing-lg)}.grid-3{grid-template-columns:repeat(3,1fr)}@media(max-width:768px){.grid-3{grid-template-columns:1fr}}.image-container{background-color:var(--color-accent);border-radius:var(--radius-md);height:150px;display:flex;align-items:center;justify-content:center;margin-bottom:var(--spacing-md);color:#fff}