:root{--primary-color: #2563eb;--primary-hover: #1d4ed8;--secondary-color: #64748b;--success-color: #22c55e;--error-color: #ef4444;--warning-color: #f59e0b;--info-color: #3b82f6;--bg-color: #ffffff;--bg-secondary: #f8fafc;--bg-dark: #1e293b;--text-color: #1e293b;--text-secondary: #64748b;--text-muted: #94a3b8;--border-color: #e2e8f0;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1);--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-full: 9999px;--transition: all .3s ease;--transition-fast: all .15s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica 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#2563eb1a}.form-control::placeholder{color:var(--text-muted)}.form-control:disabled{background-color:var(--bg-secondary);cursor:not-allowed}.form-control.error{border-color:var(--error-color)}.form-control.success{border-color:var(--success-color)}.form-error{margin-top:4px;font-size:12px;color:var(--error-color)}.form-help{margin-top:4px;font-size:12px;color:var(--text-muted)}textarea.form-control{min-height:120px;resize:vertical}select.form-control{cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:36px}.checkbox-wrapper,.radio-wrapper{display:flex;align-items:center;gap:8px;cursor:pointer}.checkbox-wrapper input,.radio-wrapper input{width:18px;height:18px;cursor:pointer;accent-color:var(--primary-color)}.card{background-color:var(--bg-color);border:1px solid var(--border-color);border-radius:var(--radius-lg);overflow:hidden}.card-header{padding:16px 20px;border-bottom:1px solid var(--border-color);background-color:var(--bg-secondary)}.card-header h3,.card-header h4{margin:0;font-size:18px;font-weight:600}.card-body{padding:20px}.card-footer{padding:16px 20px;border-top:1px solid var(--border-color);background-color:var(--bg-secondary)}.alert{padding:12px 16px;border-radius:var(--radius-md);margin-bottom:16px;display:flex;align-items:flex-start;gap:12px}.alert-icon{flex-shrink:0;width:20px;height:20px}.alert-success{background-color:#dcfce7;color:#166534;border:1px solid #bbf7d0}.alert-error{background-color:#fef2f2;color:#991b1b;border:1px solid #fecaca}.alert-warning{background-color:#fef3c7;color:#92400e;border:1px solid #fde68a}.alert-info{background-color:#dbeafe;color:#1e40af;border:1px solid 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