:root{--color-primary: #2563eb;--color-primary-dark: #1d4ed8;--color-secondary: #6b7280;--color-danger: #dc2626;--color-success: #16a34a;--color-warning: #ea580c;--color-bg-dark: #1f2937;--color-bg-sidebar: #111827;--color-bg-light: #f9fafb;--color-bg-card: #ffffff;--color-border: #e5e7eb;--color-text-primary: #111827;--color-text-secondary: #6b7280;--color-text-light: #ffffff;--shadow-sm: 0 1px 2px 0 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);--radius: 6px;--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px}*{margin:0;padding:0;box-sizing:border-box}html,body,#root{height:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--color-bg-light);color:var(--color-text-primary);line-height:1.5}.app-container{display:flex;height:100vh;background-color:var(--color-bg-light)}.sidebar{width:240px;background-color:var(--color-bg-sidebar);color:var(--color-text-light);padding:var(--spacing-lg);border-right:1px solid var(--color-border);overflow-y:auto;flex-shrink:0}.sidebar-title{font-size:20px;font-weight:700;margin-bottom:var(--spacing-lg);letter-spacing:-.5px}.sidebar-nav{display:flex;flex-direction:column;gap:var(--spacing-sm)}.nav-link{padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius);text-decoration:none;color:var(--color-text-light);font-size:14px;transition:background-color .2s;cursor:pointer;border:none;background:transparent;width:100%;text-align:left}.nav-link:hover{background-color:#ffffff1a}.nav-link.active{background-color:var(--color-primary)}.main-content{flex:1;overflow-y:auto;padding:var(--spacing-xl)}.main-content>div{max-width:1400px;margin:0 auto}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000}.modal{background-color:var(--color-bg-card);border-radius:var(--radius);padding:var(--spacing-lg);box-shadow:var(--shadow-lg);max-width:500px;width:90%;max-height:90vh;overflow-y:auto}.modal-header{font-size:18px;font-weight:600;margin-bottom:var(--spacing-lg)}.modal-body{margin-bottom:var(--spacing-lg)}.modal-footer{display:flex;gap:var(--spacing-md);justify-content:flex-end}.card{background-color:var(--color-bg-card);border-radius:var(--radius);padding:var(--spacing-lg);box-shadow:var(--shadow-md);border:1px solid var(--color-border)}.card-header{font-size:18px;font-weight:600;margin-bottom:var(--spacing-md)}.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:var(--spacing-lg);margin-bottom:var(--spacing-lg)}.stat-card{background-color:var(--color-bg-card);border-radius:var(--radius);padding:var(--spacing-lg);box-shadow:var(--shadow-md);border:1px solid var(--color-border)}.stat-card-label{font-size:13px;color:var(--color-text-secondary);text-transform:uppercase;letter-spacing:.5px;margin-bottom:var(--spacing-sm);font-weight:600}.stat-card-value{font-size:32px;font-weight:700;color:var(--color-text-primary);line-height:1}.stat-card-detail{font-size:13px;color:var(--color-text-secondary);margin-top:var(--spacing-sm)}.form-group{margin-bottom:var(--spacing-lg)}.form-group label{display:block;font-weight:500;margin-bottom:var(--spacing-sm);font-size:14px}.form-group input,.form-group select,.form-group textarea{width:100%;padding:var(--spacing-sm) var(--spacing-md);border:1px solid var(--color-border);border-radius:var(--radius);font-family:inherit;font-size:14px;background-color:var(--color-bg-card);color:var(--color-text-primary);transition:border-color .2s,box-shadow .2s}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #2563eb1a}.form-group input[type=color]{height:40px;padding:2px;cursor:pointer}.form-group textarea{resize:vertical;min-height:100px;font-family:monospace;font-size:12px}.form-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:var(--spacing-md)}.form-group-inline{display:flex;gap:var(--spacing-md);align-items:center}.checkbox-group{display:flex;align-items:center;gap:var(--spacing-sm)}.checkbox-group input[type=checkbox],.checkbox-group input[type=radio]{width:18px;height:18px;cursor:pointer}.radio-group{display:flex;gap:var(--spacing-lg);margin-top:var(--spacing-sm)}.radio-option{display:flex;align-items:center;gap:var(--spacing-sm)}.btn{padding:var(--spacing-sm) var(--spacing-md);border:none;border-radius:var(--radius);font-size:14px;font-weight:500;cursor:pointer;transition:all .2s;text-decoration:none;display:inline-flex;align-items:center;gap:var(--spacing-sm);white-space:nowrap}.btn-primary{background-color:var(--color-primary);color:var(--color-text-light)}.btn-primary:hover{background-color:var(--color-primary-dark)}.btn-secondary{background-color:var(--color-secondary);color:var(--color-text-light)}.btn-secondary:hover{background-color:#4b5563}.btn-danger{background-color:var(--color-danger);color:var(--color-text-light)}.btn-danger:hover{background-color:#b91c1c}.btn-success{background-color:var(--color-success);color:var(--color-text-light)}.btn-success:hover{background-color:#15803d}.btn-sm{padding:4px 12px;font-size:13px}.btn-group{display:flex;gap:var(--spacing-md);margin-top:var(--spacing-md)}.btn-text{background:none;color:var(--color-primary);padding:0;font-size:14px}.btn-text:hover{text-decoration:underline}.table-container{overflow-x:auto;margin-bottom:var(--spacing-lg)}table{width:100%;border-collapse:collapse;background-color:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius);overflow:hidden}thead{background-color:var(--color-bg-light);border-bottom:2px solid var(--color-border)}th{padding:var(--spacing-md);text-align:left;font-weight:600;font-size:13px;text-transform:uppercase;letter-spacing:.5px;color:var(--color-text-secondary)}td{padding:var(--spacing-md);border-bottom:1px solid var(--color-border);font-size:14px}tbody tr:last-child td{border-bottom:none}tbody tr:hover{background-color:var(--color-bg-light)}.table-actions{display:flex;gap:var(--spacing-sm)}.badge{display:inline-block;padding:4px 12px;border-radius:20px;font-size:12px;font-weight:600}.badge-success{background-color:#dcfce7;color:#166534}.badge-danger{background-color:#fee2e2;color:#991b1b}.badge-warning{background-color:#fef3c7;color:#92400e}.badge-info{background-color:#dbeafe;color:#0c4a6e}.page-header{margin-bottom:var(--spacing-xl)}.page-title{font-size:28px;font-weight:700;margin-bottom:var(--spacing-sm)}.page-subtitle{color:var(--color-text-secondary);font-size:14px}.page-header-actions{margin-top:var(--spacing-md);display:flex;gap:var(--spacing-md);flex-wrap:wrap}.preview-panel{background-color:var(--color-bg-card);border-radius:var(--radius);padding:var(--spacing-lg);border:1px solid var(--color-border);position:sticky;top:var(--spacing-xl)}.preview-label{font-weight:600;font-size:13px;text-transform:uppercase;letter-spacing:.5px;margin-bottom:var(--spacing-md);color:var(--color-text-secondary)}.preview-frame{border:1px solid var(--color-border);border-radius:var(--radius);background:#fff;min-height:400px;display:flex;align-items:center;justify-content:center;overflow:hidden}.popup-preview-modal{background-color:var(--color-bg-card);border-radius:8px;padding:24px;max-width:400px;box-shadow:0 20px 25px -5px #0000001a;text-align:center}.popup-preview-slide{position:fixed;right:0;top:50%;transform:translateY(-50%);width:350px;background-color:var(--color-bg-card);padding:24px;box-shadow:-10px 0 15px -3px #0000001a}.popup-preview-top{position:fixed;top:0;left:0;right:0;background-color:var(--color-bg-card);padding:16px;box-shadow:0 4px 6px -1px #0000001a;text-align:center}.popup-preview-bottom{position:fixed;bottom:0;left:0;right:0;background-color:var(--color-bg-card);padding:16px;box-shadow:0 -4px 6px -1px #0000001a;text-align:center}.text-center{text-align:center}.text-right{text-align:right}.text-muted{color:var(--color-text-secondary)}.mt{margin-top:var(--spacing-md)}.mb{margin-bottom:var(--spacing-md)}.p{padding:var(--spacing-md)}.flex{display:flex}.flex-between{display:flex;justify-content:space-between;align-items:center}.flex-center{display:flex;align-items:center;justify-content:center}.gap{gap:var(--spacing-md)}.inline-code{background-color:var(--color-bg-light);padding:2px 6px;border-radius:3px;font-family:monospace;font-size:12px}.copy-btn{cursor:pointer;background:none;border:none;color:var(--color-primary);padding:4px;font-size:12px;text-decoration:underline}.copy-btn:hover{color:var(--color-primary-dark)}.loading{text-align:center;padding:var(--spacing-xl);color:var(--color-text-secondary)}.error-message{background-color:#fee2e2;color:#991b1b;padding:var(--spacing-md);border-radius:var(--radius);margin-bottom:var(--spacing-md);border-left:4px solid var(--color-danger)}.success-message{background-color:#dcfce7;color:#166534;padding:var(--spacing-md);border-radius:var(--radius);margin-bottom:var(--spacing-md);border-left:4px solid var(--color-success)}.empty-state{text-align:center;padding:var(--spacing-xl);color:var(--color-text-secondary)}.empty-state-title{font-size:18px;font-weight:600;margin-bottom:var(--spacing-sm)}.empty-state-text{font-size:14px;margin-bottom:var(--spacing-md)}.layout-two-col{display:grid;grid-template-columns:1fr 350px;gap:var(--spacing-lg)}@media (max-width: 1024px){.layout-two-col{grid-template-columns:1fr}.sidebar{width:200px}.main-content{padding:var(--spacing-lg)}.card-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}.form-row{grid-template-columns:1fr}}@media (max-width: 768px){.app-container{flex-direction:column}.sidebar{width:100%;padding:var(--spacing-md);border-right:none;border-bottom:1px solid var(--color-border)}.sidebar-nav{flex-direction:row;flex-wrap:wrap;gap:var(--spacing-sm)}.nav-link{flex:1;min-width:120px;text-align:center}.main-content{padding:var(--spacing-md)}.page-header-actions{flex-direction:column}.btn{width:100%}}