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80px);padding:var(--spacing-xxl) var(--spacing-lg);background:linear-gradient(135deg,var(--color-bg-secondary) 0%,var(--color-bg-tertiary) 100%)}.home-hero{max-width:800px;margin:0 auto var(--spacing-xxl);text-align:center}.home-title{font-size:var(--font-size-xxl);font-weight:var(--font-weight-bold);color:var(--color-text-primary);margin-bottom:var(--spacing-md);line-height:var(--line-height-tight)}.home-subtitle{font-size:var(--font-size-lg);color:var(--color-text-secondary);margin-bottom:var(--spacing-xl);line-height:var(--line-height-relaxed)}.home-actions{display:flex;gap:var(--spacing-md);justify-content:center;flex-wrap:wrap}.home-features{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:var(--spacing-lg);max-width:1200px;margin:0 auto}.feature-icon{font-size:48px;text-align:center;margin-bottom:var(--spacing-md)}@media (max-width: 768px){.home-page{padding:var(--spacing-lg) var(--spacing-md)}.home-title{font-size:var(--font-size-xl)}.home-subtitle{font-size:var(--font-size-md)}.home-actions{flex-direction:column}.home-actions>*{width:100%}}.form-field{display:flex;flex-direction:column;gap:6px}.form-field__label{font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);color:var(--color-text-secondary)}.form-field__control{position:relative;display:flex;align-items:center}.form-field__input{width:100%;height:42px;padding:0 12px;border:1px solid var(--color-border-primary);border-radius:var(--radius-md);font-size:var(--font-size-md);color:var(--color-text-primary);background-color:var(--color-bg-primary);transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.form-field__input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #667eea33}.form-field.has-error .form-field__input{border-color:var(--color-error);box-shadow:0 0 0 3px #ef444433}.form-field__helper{font-size:var(--font-size-xs);color:var(--color-text-tertiary)}.form-field__error{font-size:var(--font-size-xs);color:var(--color-error)}.form-field__addon{position:absolute;right:12px;color:var(--color-text-tertiary)}.form-page{min-height:calc(100vh - 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80px);padding:var(--spacing-xl) var(--spacing-lg);background-color:var(--color-bg-secondary)}.page-header{margin-bottom:var(--spacing-lg)}.admin-tabs{display:inline-flex;gap:var(--spacing-sm);border-bottom:2px solid var(--color-border-primary);margin-bottom:var(--spacing-lg)}.admin-tab{padding:var(--spacing-md) var(--spacing-lg);background:transparent;border:none;border-bottom:3px solid transparent;font-size:var(--font-size-md);font-weight:var(--font-weight-medium);cursor:pointer;color:var(--color-text-secondary);transition:all var(--transition-fast);margin-bottom:-2px}.admin-tab:hover{color:var(--color-primary)}.admin-tab.active{border-bottom-color:var(--color-primary);color:var(--color-primary);font-weight:var(--font-weight-semibold)}.toolbar{display:flex;gap:var(--spacing-sm);flex-wrap:wrap;align-items:center}.upload-button{position:relative;overflow:hidden;display:inline-flex;align-items:center;padding:0 var(--spacing-md);height:40px;border-radius:var(--radius-md);border:1px dashed var(--color-border-primary);cursor:pointer;color:var(--color-primary);font-weight:var(--font-weight-medium);font-size:var(--font-size-sm);transition:all var(--transition-fast)}.upload-button:hover{border-color:var(--color-primary);background-color:var(--color-primary-light)}.upload-button input[type=file]{position:absolute;top:0;right:0;bottom:0;left:0;opacity:0;cursor:pointer}.table-actions{display:inline-flex;gap:var(--spacing-xs);align-items:center}.modal-form{display:flex;flex-direction:column;gap:var(--spacing-md);min-width:360px}.modal-actions{display:flex;justify-content:flex-end;gap:var(--spacing-sm);margin-top:var(--spacing-md)}.data-table{width:100%;border-collapse:collapse;font-size:14px}.data-table thead{background-color:#f9fafb;border-bottom:2px solid #e5e7eb}.data-table th{padding:12px 16px;text-align:left;font-weight:600;color:#374151;white-space:nowrap}.data-table td{padding:12px 16px;border-bottom:1px solid #f3f4f6;color:#1f2937}.data-table tbody tr:hover{background-color:#f9fafb}.data-table tfoot{border-top:2px solid #e5e7eb}.data-table tfoot td{padding:12px 16px;font-weight:600}@media (max-width: 768px){.admin-page{padding:var(--spacing-md)}.admin-tabs{flex-wrap:wrap}.admin-tab{padding:var(--spacing-sm) var(--spacing-md);font-size:var(--font-size-sm)}.toolbar{flex-direction:column;align-items:stretch}.upload-button{width:100%;justify-content:center}}.user-page{min-height:calc(100vh - 80px);padding:var(--spacing-xl) var(--spacing-lg);background-color:var(--color-bg-secondary)}.page-header{margin-bottom:var(--spacing-xl)}.page-header__title{font-size:var(--font-size-xxl);font-weight:var(--font-weight-bold);color:var(--color-text-primary);margin-bottom:var(--spacing-sm)}.page-header p{font-size:var(--font-size-md);color:var(--color-text-secondary)}.page{display:flex;flex-direction:column;gap:var(--spacing-lg);max-width:1200px;margin:0 auto}@media (max-width: 768px){.user-page{padding:var(--spacing-md)}.page-header__title{font-size:var(--font-size-xl)}}.app-container{min-height:100vh;display:flex;flex-direction:column}.content-area{flex:1;max-width:1200px;margin:0 auto;width:100%;padding:var(--spacing-lg);display:flex;flex-direction:column;gap:var(--spacing-lg)}.page-header{display:flex;align-items:center;justify-content:space-between;gap:var(--spacing-md)}.page-header__title{font-size:var(--font-size-xl);margin:0}.page-section{display:flex;flex-direction:column;gap:var(--spacing-md)}*{margin:0;padding:0;box-sizing:border-box}:root{--color-primary: #667eea;--color-primary-hover: #5568d3;--color-primary-active: #4457bc;--color-primary-light: #e8ebf9;--color-primary-dark: #3342a5;--color-secondary: #764ba2;--color-secondary-hover: #653a91;--color-secondary-active: #542a80;--color-bg-primary: #ffffff;--color-bg-secondary: #f5f5f5;--color-bg-tertiary: #fafafa;--color-bg-card: #ffffff;--color-bg-modal: rgba(0, 0, 0, .5);--color-text-primary: #333333;--color-text-secondary: #666666;--color-text-tertiary: #999999;--color-text-disabled: #cccccc;--color-text-inverse: #ffffff;--color-border-primary: #e0e0e0;--color-border-secondary: #f0f0f0;--color-border-light: #f5f5f5;--color-success: #10b981;--color-success-light: #d1fae5;--color-warning: #f59e0b;--color-warning-light: #fef3c7;--color-error: #ef4444;--color-error-light: #fee2e2;--color-info: #3b82f6;--color-info-light: #dbeafe;--font-family-primary: "Malgun Gothic", "Apple SD Gothic Neo", Arial, sans-serif;--font-family-secondary: "Malgun Gothic", Arial, sans-serif;--font-family-mono: "Courier New", monospace;--font-size-xs: 12px;--font-size-sm: 14px;--font-size-md: 16px;--font-size-lg: 18px;--font-size-xl: 24px;--font-size-xxl: 32px;--font-weight-light: 300;--font-weight-regular: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--line-height-tight: 1.2;--line-height-normal: 1.5;--line-height-relaxed: 1.8;--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--spacing-xxl: 48px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .1);--shadow-xl: 0 20px 25px rgba(0, 0, 0, .15);--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-full: 9999px;--transition-fast: .15s ease;--transition-normal: .3s ease;--transition-slow: .5s ease}body{font-family:var(--font-family-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--color-bg-secondary);color:var(--color-text-primary);font-size:var(--font-size-md);line-height:var(--line-height-normal)}#root{min-height:100vh;background-color:var(--color-bg-secondary)}main{width:100%}.app-container{display:flex;flex-direction:column;min-height:100vh}.content-area{flex:1;padding:var(--spacing-lg)}h1,h2,h3,h4,h5,h6{color:var(--color-text-primary);font-weight:var(--font-weight-semibold)}p{color:var(--color-text-secondary)}.table-wrapper{overflow-x:auto}.tag{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:var(--radius-full);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium)}.tag.success{background-color:var(--color-success-light);color:var(--color-success)}.tag.warning{background-color:var(--color-warning-light);color:var(--color-warning)}.tag.error{background-color:var(--color-error-light);color:var(--color-error)}.grid{display:grid;gap:var(--spacing-lg)}.grid.two-columns{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}.form-grid{display:grid;gap:var(--spacing-md);grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}.section-title{font-size:var(--font-size-xl);margin-bottom:var(--spacing-md)}.muted{color:var(--color-text-tertiary)}.page{display:flex;flex-direction:column;gap:var(--spacing-lg)}