:root{--color-primary-50: #eef2ff;--color-primary-100: #e0e7ff;--color-primary-200: #c7d2fe;--color-primary-300: #a5b4fc;--color-primary-400: #818cf8;--color-primary-500: #6366f1;--color-primary-600: #4f46e5;--color-primary-700: #4338ca;--color-primary-800: #3730a3;--color-primary-900: #312e81;--m3-primary: #3F51B5;--m3-primary-container: #004fd2;--m3-on-primary: #ffffff;--m3-on-primary-container: #c4d1ff;--m3-primary-fixed: #dbe1ff;--m3-primary-fixed-dim: #b4c5ff;--m3-surface: #faf8ff;--m3-surface-container: #eaedff;--m3-surface-container-low: #f2f3ff;--m3-surface-container-high: #e2e7ff;--m3-surface-container-highest: #dae2fd;--m3-surface-container-lowest: #ffffff;--m3-surface-dim: #d2d9f4;--m3-on-surface: #131b2e;--m3-on-surface-variant: #454652;--m3-outline: #757684;--m3-outline-variant: #c5c5d4;--m3-secondary: #565c84;--m3-secondary-container: #c9cffd;--m3-error: #ba1a1a;--m3-error-container: #ffdad6;--m3-inverse-surface: #283044;--m3-inverse-on-surface: #eef0ff;--color-neutral-0: #ffffff;--color-neutral-50: #fafafa;--color-neutral-100: #f4f4f5;--color-neutral-200: #e4e4e7;--color-neutral-300: #d4d4d8;--color-neutral-400: #a1a1aa;--color-neutral-500: #71717a;--color-neutral-600: #52525b;--color-neutral-700: #3f3f46;--color-neutral-800: #27272a;--color-neutral-900: #18181b;--color-success: #22c55e;--color-success-bg: #dcfce7;--color-warning: #f59e0b;--color-warning-bg: #fef3c7;--color-error: #ef4444;--color-error-bg: #fee2e2;--color-info: #3b82f6;--color-info-bg: #dbeafe;--spacing-0: 0;--spacing-1: 4px;--spacing-2: 8px;--spacing-3: 12px;--spacing-4: 16px;--spacing-5: 20px;--spacing-6: 24px;--spacing-8: 32px;--spacing-10: 40px;--spacing-12: 48px;--spacing-16: 64px;--radius-none: 0;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-2xl: 24px;--radius-full: 9999px;--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-headline: "Manrope", "Inter", -apple-system, BlinkMacSystemFont, 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60px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-family);font-size:var(--font-size-md);line-height:var(--line-height-normal);color:var(--color-neutral-900);background:linear-gradient(135deg,var(--color-neutral-50) 0%,var(--color-neutral-100) 100%);min-height:100vh}#root{min-height:100vh}.app-container{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-width);background:var(--color-neutral-0);border-right:1px solid var(--color-neutral-200);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100;box-shadow:var(--shadow-sm)}.sidebar-header{padding:var(--spacing-5);border-bottom:1px solid var(--color-neutral-200);background:linear-gradient(135deg,var(--color-primary-600) 0%,var(--color-primary-700) 100%)}.sidebar-logo{display:flex;align-items:center;gap:var(--spacing-3);color:#fff}.sidebar-logo-icon{width:36px;height:36px;background:#fff3;border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center}.sidebar-logo h1{font-size:var(--font-size-lg);font-weight:var(--font-weight-bold);letter-spacing:-.025em}.sidebar-logo span{font-size:var(--font-size-xs);opacity:.8}.sidebar-content{flex:1;overflow-y:auto;padding:var(--spacing-3)}.main-content{flex:1;margin-left:var(--sidebar-width);display:flex;flex-direction:column}.main-header{height:var(--header-height);background:var(--color-neutral-0);border-bottom:1px solid var(--color-neutral-200);display:flex;align-items:center;justify-content:space-between;padding:0 var(--spacing-6);position:sticky;top:0;z-index:50}.main-panel{flex:1;display:grid;grid-template-columns:1fr 400px;gap:var(--spacing-4);padding:var(--spacing-4);max-height:calc(100vh - var(--header-height));overflow:hidden}.panel-card{background:var(--color-neutral-0);border-radius:var(--radius-xl);box-shadow:var(--shadow-md);overflow:hidden;display:flex;flex-direction:column}.panel-header{padding:var(--spacing-4) var(--spacing-5);border-bottom:1px solid var(--color-neutral-200);display:flex;align-items:center;justify-content:space-between;background:var(--color-neutral-50)}.panel-title{font-size:var(--font-size-md);font-weight:var(--font-weight-semibold);color:var(--color-neutral-800);display:flex;align-items:center;gap:var(--spacing-2)}.token-search{position:relative;margin-bottom:var(--spacing-3)}.token-search input{width:100%;padding:var(--spacing-3) var(--spacing-4);padding-left:var(--spacing-10);border:1px solid var(--color-neutral-300);border-radius:var(--radius-lg);font-size:var(--font-size-sm);background:var(--color-neutral-0);transition:all var(--transition-fast)}.token-search input:focus{outline:none;border-color:var(--color-primary-500);box-shadow:0 0 0 3px var(--color-primary-100)}.token-search-icon{position:absolute;left:var(--spacing-3);top:50%;transform:translateY(-50%);color:var(--color-neutral-400)}.token-group-header{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-2) var(--spacing-3);background:var(--color-neutral-100);border-radius:var(--radius-md);cursor:pointer;-webkit-user-select:none;user-select:none;transition:background var(--transition-fast)}.token-group-header:hover{background:var(--color-neutral-200)}.token-group-icon{width:20px;height:20px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center}.token-group-name{font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);color:var(--color-neutral-700);text-transform:capitalize}.token-group-count{font-size:var(--font-size-xs);color:var(--color-neutral-500);background:var(--color-neutral-200);padding:var(--spacing-1) var(--spacing-2);border-radius:var(--radius-full)}.token-group-body{padding-left:var(--spacing-3);margin-top:var(--spacing-1)}.token-item{display:flex;align-items:center;gap:var(--spacing-3);padding:var(--spacing-2) var(--spacing-3);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);border:1px solid transparent}.token-item:hover{background:var(--color-neutral-100)}.token-preview{width:28px;height:28px;border-radius:var(--radius-md);border:1px solid var(--color-neutral-200);flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:var(--font-size-xs);font-weight:var(--font-weight-medium);color:var(--color-neutral-600);background:var(--color-neutral-0)}.token-preview.color{border:2px solid rgba(0,0,0,.1)}.token-preview.reference{background:#eef2ff;color:#6366f1;font-weight:700;font-size:14px;border-color:#c7d2fe}.token-name{font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);color:var(--color-neutral-800);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.token-value{font-size:var(--font-size-xs);color:var(--color-neutral-500);font-family:SF Mono,Fira 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var(--color-primary-100)}.form-textarea{min-height:80px;resize:vertical}.form-input-group{display:flex;gap:var(--spacing-2)}.form-input-group .form-input{flex:1}.form-select{padding:var(--spacing-3);border:1px solid var(--color-neutral-300);border-radius:var(--radius-md);font-size:var(--font-size-sm);background:var(--color-neutral-0);cursor:pointer}.color-picker-container{margin-bottom:var(--spacing-4)}.color-picker-preview{display:flex;align-items:center;gap:var(--spacing-3);padding:var(--spacing-3);background:var(--color-neutral-50);border-radius:var(--radius-lg);margin-bottom:var(--spacing-3)}.color-picker-swatch{width:48px;height:48px;border-radius:var(--radius-lg);border:2px solid var(--color-neutral-200);box-shadow:var(--shadow-sm)}.color-picker-value{font-family:SF Mono,Fira Code,monospace;font-size:var(--font-size-sm);color:var(--color-neutral-800);font-weight:var(--font-weight-medium)}.react-colorful{width:100%!important;height:200px!important;border-radius:var(--radius-lg)!important;overflow:hidden}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-2);padding:10px 18px;font-family:var(--font-headline);font-size:var(--font-size-sm);font-weight:700;border-radius:12px;border:none;cursor:pointer;transition:all var(--transition-fast);white-space:nowrap}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:linear-gradient(135deg,#3f51b5,#004fd2);color:#fff;box-shadow:0 8px 20px #004fd233}.btn-primary:hover:not(:disabled){background:linear-gradient(135deg,#3346a0,#003fb5);box-shadow:0 12px 24px #004fd247;transform:translateY(-1px)}.btn-secondary{background:var(--m3-surface-container-low);color:var(--m3-on-surface-variant);border:1px solid rgba(117,118,132,.14)}.btn-secondary:hover:not(:disabled){background:var(--m3-surface-container-high)}.btn-ghost{background:transparent;color:var(--color-neutral-600)}.btn-ghost:hover:not(:disabled){background:var(--color-neutral-100)}.btn-danger{background:var(--color-error);color:#fff}.btn-danger:hover:not(:disabled){background:#dc2626}.btn-sm{padding:var(--spacing-1) var(--spacing-3);font-size:var(--font-size-xs)}.btn-lg{padding:var(--spacing-3) var(--spacing-6);font-size:var(--font-size-md)}.btn-icon{width:36px;height:36px;padding:0;border-radius:var(--radius-md)}.badge{display:inline-flex;align-items:center;gap:var(--spacing-1);padding:var(--spacing-1) 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var(--transition-fast)}.theme-option:hover{color:var(--color-neutral-800)}.theme-option.active{background:var(--color-neutral-0);color:var(--color-primary-600);box-shadow:var(--shadow-sm)}.export-options{display:flex;gap:var(--spacing-2);margin-bottom:var(--spacing-4)}.export-option{flex:1;padding:var(--spacing-3);border:2px solid var(--color-neutral-200);border-radius:var(--radius-lg);background:var(--color-neutral-0);cursor:pointer;transition:all var(--transition-fast);text-align:center}.export-option:hover{border-color:var(--color-neutral-300);background:var(--color-neutral-50)}.export-option.active{border-color:var(--color-primary-500);background:var(--color-primary-50)}.export-option-label{font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);color:var(--color-neutral-700)}.export-preview{background:var(--color-neutral-900);border-radius:var(--radius-lg);padding:var(--spacing-4);overflow-x:auto;max-height:300px;overflow-y:auto}.export-preview pre{margin:0;font-family:SF Mono,Fira Code,monospace;font-size:var(--font-size-xs);color:var(--color-neutral-200);white-space:pre-wrap;word-break:break-all}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn var(--transition-fast)}.modal{background:var(--color-neutral-0);border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);max-width:500px;width:90%;max-height:90vh;overflow:hidden;animation:slideUp var(--transition-normal)}.modal-header{padding:var(--spacing-4) var(--spacing-5);border-bottom:1px solid var(--color-neutral-200);display:flex;align-items:center;justify-content:space-between}.modal-title{font-size:var(--font-size-lg);font-weight:var(--font-weight-semibold)}.modal-body{padding:var(--spacing-5);overflow-y:auto}.modal-footer{padding:var(--spacing-4) var(--spacing-5);border-top:1px solid var(--color-neutral-200);display:flex;justify-content:flex-end;gap:var(--spacing-3)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(100px,1fr));gap:var(--spacing-3);margin-bottom:var(--spacing-4)}.stat-card{background:linear-gradient(135deg,var(--color-primary-50) 0%,var(--color-primary-100) 100%);border-radius:var(--radius-lg);padding:var(--spacing-3);text-align:center}.stat-value{font-size:var(--font-size-2xl);font-weight:var(--font-weight-bold);color:var(--color-primary-700)}.stat-label{font-size:var(--font-size-xs);color:var(--color-primary-600);text-transform:uppercase;letter-spacing:.05em}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--color-neutral-100);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb{background:var(--color-neutral-300);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--color-neutral-400)}.text-sm{font-size:var(--font-size-sm)}.text-md{font-size:var(--font-size-md)}.text-lg{font-size:var(--font-size-lg)}.text-xl{font-size:var(--font-size-xl)}.text-2xl{font-size:var(--font-size-2xl)}.font-normal{font-weight:var(--font-weight-normal)}.font-medium{font-weight:var(--font-weight-medium)}.font-semibold{font-weight:var(--font-weight-semibold)}.font-bold{font-weight:var(--font-weight-bold)}.text-primary{color:var(--color-primary-600)}.text-success{color:var(--color-success)}.text-warning{color:var(--color-warning)}.text-error{color:var(--color-error)}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.gap-1{gap:var(--spacing-1)}.gap-2{gap:var(--spacing-2)}.gap-3{gap:var(--spacing-3)}.gap-4{gap:var(--spacing-4)}.w-full{width:100%}.h-full{height:100%}.mt-4{margin-top:var(--spacing-4)}.mb-2{margin-bottom:var(--spacing-2)}.mb-3{margin-bottom:var(--spacing-3)}.opacity-50{opacity:.5}.cursor-pointer{cursor:pointer}.select-none{-webkit-user-select:none;user-select:none}.truncate{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.dropdown-menu{position:absolute;top:calc(100% + 8px);right:0;width:280px;background:#fff;border-radius:12px;box-shadow:0 10px 25px -5px #0000001a,0 8px 10px -6px #0000001a;border:1px solid var(--color-neutral-200);z-index:50;overflow:hidden;animation:slideDown .2s ease-out}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.dropdown-item{background:none;border:none;cursor:pointer;text-align:left;display:flex;align-items:center;gap:12px;transition:all .2s}.dropdown-item:hover{background-color:var(--color-neutral-50)}.dropdown-item.active{background-color:var(--color-primary-50);color:var(--color-primary-700)}.bg-primary-50{background-color:var(--color-primary-50)}.text-primary-700{color:var(--color-primary-700)}.ring-primary-500{outline:2px solid var(--color-primary-500);outline-offset:2px}.dropdown-item-content{flex:1}.dropdown-item-title{font-size:var(--font-size-sm);font-weight:var(--font-weight-medium)}.dropdown-item-desc{font-size:var(--font-size-xs);opacity:.7}.variant-sidebar{width:260px;background:#fff;border-right:1px solid var(--color-neutral-200);display:flex;flex-direction:column;height:100%}.variant-sidebar-header{padding:var(--spacing-4);border-bottom:1px solid var(--color-neutral-100);display:flex;align-items:center;justify-content:space-between}.variant-sidebar-title{font-size:var(--font-size-md);font-weight:var(--font-weight-semibold);display:flex;align-items:center;gap:var(--spacing-2);color:var(--color-neutral-800)}.variant-sidebar-search{padding:var(--spacing-3);border-bottom:1px solid var(--color-neutral-100);position:relative}.variant-sidebar-search input{width:100%;padding:var(--spacing-2) var(--spacing-3);padding-left:36px;border:1px solid var(--color-neutral-200);border-radius:var(--radius-md);font-size:var(--font-size-sm);background:var(--color-neutral-50);transition:all .2s}.variant-sidebar-search input:focus{outline:none;border-color:var(--color-primary-500);background:#fff;box-shadow:0 0 0 3px var(--color-primary-100)}.variant-search-icon{position:absolute;left:24px;top:50%;transform:translateY(-50%);color:var(--color-neutral-400)}.variant-list{flex:1;overflow-y:auto;padding:var(--spacing-2)}.variant-item{width:100%;display:flex;align-items:center;gap:var(--spacing-3);padding:var(--spacing-3);border:none;background:transparent;border-radius:var(--radius-md);cursor:pointer;transition:all .2s;text-align:left}.variant-item:hover{background:var(--color-neutral-50)}.variant-item.active{background:var(--color-primary-50);border:1px solid var(--color-primary-200)}.variant-item-icon{width:36px;height:36px;border-radius:var(--radius-md);background:var(--color-neutral-100);display:flex;align-items:center;justify-content:center;color:var(--color-neutral-600);flex-shrink:0}.variant-item.active .variant-item-icon{background:var(--color-primary-500);color:#fff}.variant-item-content{flex:1;min-width:0}.variant-item-name{font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);color:var(--color-neutral-800);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.variant-item-desc{font-size:var(--font-size-xs);color:var(--color-neutral-500);margin-top:2px}.variant-item-check{color:var(--color-primary-600);flex-shrink:0}.variant-sidebar-footer{padding:var(--spacing-3);border-top:1px solid var(--color-neutral-100)}.variant-mode-indicator{display:flex;align-items:center;gap:var(--spacing-2);font-size:var(--font-size-xs);color:var(--color-success);font-weight:var(--font-weight-medium)}.variant-mode-dot{width:8px;height:8px;border-radius:50%;background:var(--color-success);animation:pulse 2s infinite}.variant-header-actions{display:flex;align-items:center;gap:4px}.variant-create-btn{background:none;border:none;cursor:pointer;padding:2px 4px;border-radius:var(--radius-sm);color:var(--text-muted)}.variant-create-btn:hover{color:var(--color-neutral-800)}.brand-create-form{padding:10px 12px;border-bottom:1px solid var(--border-color);background:var(--bg-secondary, 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