:root{--color-primary-50:#e7f3ff;--color-primary-100:#cce7ff;--color-primary-200:#99cfff;--color-primary-300:#66b7ff;--color-primary-400:#339fff;--color-primary-500:#1877f2;--color-primary-600:#1460c2;--color-primary-700:#0f4992;--color-primary-800:#0a3262;--color-primary-900:#051b32;--color-primary:var(--color-primary-500);--color-primary-dark:var(--color-primary-600);--color-primary-light:var(--color-primary-400);--color-secondary-50:#f0f2f5;--color-secondary-100:#e4e6eb;--color-secondary-200:#d8dadf;--color-secondary-300:#bcc0c4;--color-secondary-400:#8a8d91;--color-secondary-500:#65676b;--color-secondary-600:#4e4f50;--color-secondary-700:#373839;--color-secondary-800:#202122;--color-secondary-900:#0a0a0b;--color-secondary:var(--color-secondary-500);--color-secondary-dark:var(--color-secondary-600);--color-secondary-light:var(--color-secondary-400);--color-accent-50:#e6f7e6;--color-accent-100:#ccefcc;--color-accent-200:#99df99;--color-accent-300:#66cf66;--color-accent-400:#33bf33;--color-accent-500:#00af00;--color-accent-600:#008c00;--color-accent-700:#006900;--color-accent-800:#004600;--color-accent-900:#002300;--color-accent:var(--color-accent-500);--color-success:#42b72a;--color-success-50:#e6f7e6;--color-success-100:#ccefcc;--color-warning:#f7b928;--color-error:#f02849;--color-error-50:#fee2e2;--color-info:#1877f2;--color-white:#fff;--color-black:#050505;--color-gray-50:#f0f2f5;--color-gray-100:#e4e6eb;--color-gray-200:#d8dadf;--color-gray-300:#bcc0c4;--color-gray-400:#8a8d91;--color-gray-500:#65676b;--color-gray-600:#4e4f50;--color-gray-700:#373839;--color-gray-800:#242526;--color-gray-900:#18191a;--color-bg-primary:#f0f2f5;--color-bg-secondary:#fff;--color-bg-tertiary:#e4e6eb;--color-bg-hover:#f2f3f5;--color-text-primary:#050505;--color-text-secondary:#65676b;--color-text-tertiary:#8a8d91;--color-border:#dadde1;--color-border-light:#e4e6eb;--gradient-primary:linear-gradient(135deg,#1877f2,#42a5f5);--gradient-subtle:linear-gradient(180deg,#fff,#f0f2f5);--gradient-hover:linear-gradient(180deg,#f2f3f5,#e4e6eb);--shadow-xs:0 1px 2px rgba(0,0,0,.05);--shadow-sm:0 1px 2px rgba(0,0,0,.1);--shadow-md:0 2px 4px rgba(0,0,0,.1);--shadow-lg:0 4px 8px rgba(0,0,0,.1);--shadow-xl:0 8px 16px rgba(0,0,0,.1);--shadow-card:0 1px 2px rgba(0,0,0,.1);--shadow-card-hover:0 2px 4px rgba(0,0,0,.1);--border-radius-sm:0.5rem;--border-radius-base:0.75rem;--border-radius-md:1rem;--border-radius-lg:1.25rem;--border-radius-xl:1.5rem;--border-radius-2xl:2rem;--border-radius-full:9999px;--border-width-1:1px;--border-width-2:2px;--spacing-0:0;--spacing-1:0.25rem;--spacing-2:0.5rem;--spacing-3:0.75rem;--spacing-4:1rem;--spacing-5:1.25rem;--spacing-6:1.5rem;--spacing-8:2rem;--spacing-10:2.5rem;--spacing-12:3rem;--spacing-16:4rem;--font-family-base:-apple-system,BlinkMacSystemFont,"Segoe UI","Roboto","Helvetica Neue",Arial,sans-serif;--font-family-heading:-apple-system,BlinkMacSystemFont,"Segoe UI","Roboto","Helvetica Neue",Arial,sans-serif;--font-family-mono:"SF Mono","Monaco","Courier 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cubic-bezier(0.4,0,0.2,1);--glass-bg:hsla(0,0%,100%,.9);--glass-border:rgba(0,0,0,.1);--glass-blur:blur(10px);--z-base:1;--z-dropdown:100;--z-sticky:200;--z-fixed:300;--z-modal-backdrop:400;--z-modal:500;--z-popover:600;--z-tooltip:700;--z-toast:800;--sidebar-width:260px;--sidebar-width-collapsed:70px;--header-height:60px}.btn-meta{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-2);padding:var(--spacing-2) var(--spacing-4);font-family:var(--font-family-base);font-size:var(--font-size-base);font-weight:var(--font-weight-semibold);border:none;border-radius:var(--border-radius-base);cursor:pointer;transition:all var(--transition-fast);text-decoration:none;line-height:1.33}.btn-meta-primary{background:var(--color-primary);color:var(--color-white);box-shadow:none}.btn-meta-primary:hover{background:var(--color-primary-dark);filter:brightness(.95)}.btn-meta-primary:active{transform:scale(.98);filter:brightness(.9)}.btn-meta-secondary{background:var(--color-gray-200);color:var(--color-text-primary);box-shadow:none}.btn-meta-secondary:hover{background:var(--color-gray-300)}.btn-meta-outline{background:transparent;color:var(--color-primary);border:1px solid var(--color-primary)}.btn-meta-outline:hover{background:var(--color-primary-50)}.badge-meta{border-radius:var(--border-radius-base);line-height:1}.badge-meta-primary{border:none}.badge-meta-secondary{background:var(--color-gray-200);color:var(--color-text-primary);border:none}.badge-meta-outline{border:1px solid var(--color-border)}.badge-meta-outline:hover{background:var(--color-primary-50);border-color:var(--color-primary)}.btn-meta-ghost{background:transparent;color:var(--color-text-primary);border:none}.btn-meta-ghost:hover{background:var(--color-bg-hover)}.card-meta{background:var(--color-white);border-radius:var(--border-radius-lg);padding:var(--spacing-4);box-shadow:var(--shadow-card);transition:all var(--transition-fast);border:1px solid var(--color-border);position:relative}.card-meta:hover{box-shadow:var(--shadow-card-hover)}.card-meta-elevated{box-shadow:var(--shadow-md);border:none}.card-meta-elevated:hover{box-shadow:var(--shadow-lg)}.card-meta-minimal{background:transparent;border:1px solid var(--color-border);box-shadow:none}.card-meta-minimal:hover{background:var(--color-bg-hover);border-color:var(--color-border-light)}.badge-meta{display:inline-flex;align-items:center;gap:var(--spacing-1);padding:var(--spacing-1) var(--spacing-2);font-size:var(--font-size-xs);font-weight:var(--font-weight-semibold);border-radius:var(--border-radius-full);line-height:1.33}.badge-meta-primary{background:var(--color-primary-50);color:var(--color-primary)}.badge-meta-secondary{background:var(--color-gray-100);color:var(--color-text-secondary)}.badge-meta-success{background:#e6f7e6;color:var(--color-success)}.badge-meta-outline{background:transparent;color:var(--color-primary);border:1px solid var(--color-primary)}.input-meta{width:100%;padding:var(--spacing-2) var(--spacing-3);font-family:var(--font-family-base);font-size:var(--font-size-base);color:var(--color-text-primary);background:var(--color-white);border:1px solid var(--color-border);border-radius:var(--border-radius-base);transition:all var(--transition-fast);line-height:1.33}.input-meta:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 2px var(--color-primary-50)}.input-meta::placeholder{color:var(--color-text-tertiary)}@keyframes fade-in{0%{opacity:0}to{opacity:1}}@keyframes slide-up{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:fade-in .2s ease-out}.animate-slide-up{animation:slide-up .2s ease-out}.text-meta-primary{color:var(--color-primary)}.text-meta-secondary{color:var(--color-text-secondary)}.bg-meta-primary{background:var(--color-bg-primary)}.bg-meta-secondary{background:var(--color-bg-secondary)}.divider-meta{height:1px;background:var(--color-border);margin:var(--spacing-4) 0}.divider-meta-vertical{width:1px;background:var(--color-border);margin:0 var(--spacing-4)}@media (max-width:768px){.card-meta{padding:var(--spacing-3);border-radius:var(--border-radius-base)}.btn-meta{padding:var(--spacing-2) var(--spacing-3);font-size:var(--font-size-sm)}}.skeleton{background:linear-gradient(90deg,var(--color-gray-200) 25%,var(--color-gray-100) 50%,var(--color-gray-200) 75%);background-size:200% 100%;animation:skeleton-loading 1.5s ease-in-out infinite;border-radius:var(--border-radius-lg)}@keyframes skeleton-loading{0%{background-position:200% 0}to{background-position:-200% 0}}.skeleton-text{height:1em;margin-bottom:var(--spacing-2)}.skeleton-text:last-child{margin-bottom:0}.skeleton-avatar{width:40px;height:40px;border-radius:var(--border-radius-full)}.skeleton-button{height:40px;width:120px}.skeleton-card{padding:var(--spacing-6);border-radius:var(--border-radius-2xl)}.spinner{width:40px;height:40px;border:3px solid var(--color-gray-200);border-top-color:var(--color-primary);border-radius:var(--border-radius-full);animation:spin .8s linear infinite}.spinner-sm{width:20px;height:20px;border-width:2px}.spinner-lg{width:60px;height:60px;border-width:4px}.loading-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:hsla(0,0%,100%,.9);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:var(--z-modal)}.loading-overlay p{color:var(--color-gray-600);font-size:var(--font-size-sm)}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--spacing-16) var(--spacing-8);text-align:center}.empty-state-icon{width:80px;height:80px;margin-bottom:var(--spacing-6);opacity:.5;color:var(--color-gray-400)}.empty-state-title{font-size:var(--font-size-xl);font-weight:var(--font-weight-semibold);color:var(--color-gray-900);margin-bottom:var(--spacing-2)}.empty-state-description{font-size:var(--font-size-base);color:var(--color-gray-600);margin-bottom:var(--spacing-6);max-width:400px}.empty-state-action{margin-top:var(--spacing-4)}.tooltip{position:relative;display:inline-block}.tooltip-content{position:absolute;bottom:100%;left:50%;transform:translateX(-50%) translateY(-8px);padding:var(--spacing-2) var(--spacing-3);background:var(--color-gray-900);color:var(--color-white);font-size:var(--font-size-xs);font-weight:var(--font-weight-medium);border-radius:var(--border-radius-lg);white-space:nowrap;opacity:0;pointer-events:none;transition:all var(--transition-base);z-index:var(--z-tooltip);margin-bottom:var(--spacing-2)}.tooltip-content:after{content:"";position:absolute;top:100%;left:50%;transform:translateX(-50%);border:4px solid transparent;border-top:4px solid var(--color-gray-900)}.tooltip:hover .tooltip-content{opacity:1;transform:translateX(-50%) translateY(-12px)}.tooltip-top .tooltip-content{bottom:auto;top:100%;transform:translateX(-50%) translateY(8px);margin-bottom:0;margin-top:var(--spacing-2)}.tooltip-top .tooltip-content:after{top:auto;bottom:100%;border-top-color:transparent;border-bottom-color:var(--color-gray-900)}.tooltip-top:hover .tooltip-content{transform:translateX(-50%) translateY(12px)}.breadcrumbs{font-size:var(--font-size-sm);color:var(--color-gray-600);margin-bottom:var(--spacing-6);flex-wrap:wrap}.breadcrumb-item,.breadcrumbs{display:flex;align-items:center;gap:var(--spacing-2)}.breadcrumb-link{color:var(--color-gray-600);text-decoration:none;transition:color var(--transition-fast)}.breadcrumb-link:hover{color:var(--color-primary)}.breadcrumb-separator{color:var(--color-gray-400);-webkit-user-select:none;-moz-user-select:none;user-select:none}.breadcrumb-current{color:var(--color-gray-900);font-weight:var(--font-weight-medium)}.progress{width:100%;height:8px;background:var(--color-gray-200)}.progress,.progress-bar{border-radius:var(--border-radius-full);overflow:hidden;position:relative}.progress-bar{height:100%;background:var(--gradient-primary);transition:width var(--transition-slow)}.progress-bar:after{content:"";position:absolute;top:0;left:0;bottom:0;right:0;background:linear-gradient(90deg,transparent,hsla(0,0%,100%,.3),transparent);animation:progress-shimmer 2s infinite}@keyframes progress-shimmer{0%{transform:translateX(-100%)}to{transform:translateX(100%)}}.progress-sm{height:4px}.progress-lg{height:12px}.toast-container{position:fixed;top:var(--spacing-4);right:var(--spacing-4);z-index:var(--z-toast);flex-direction:column;max-width:400px}.toast,.toast-container{display:flex;gap:var(--spacing-3)}.toast{align-items:center;padding:var(--spacing-4);background:var(--color-white);border:var(--border-width-1) solid var(--color-gray-200);border-radius:var(--border-radius-xl);box-shadow:var(--shadow-xl);animation:toast-slide-in var(--transition-base);min-width:300px}@keyframes toast-slide-in{0%{opacity:0;transform:translateX(100%)}to{opacity:1;transform:translateX(0)}}.toast-success{border-left:4px solid var(--color-success)}.toast-error{border-left:4px solid var(--color-error)}.toast-warning{border-left:4px solid var(--color-warning)}.toast-info{border-left:4px solid var(--color-info)}.toast-icon{flex-shrink:0}.toast-content{flex:1 1}.toast-title{font-weight:var(--font-weight-semibold);color:var(--color-gray-900);margin-bottom:var(--spacing-1)}.toast-message,.toast-title{font-size:var(--font-size-sm)}.toast-message{color:var(--color-gray-600)}.toast-close{flex-shrink:0;background:none;border:none;color:var(--color-gray-400);cursor:pointer;padding:var(--spacing-1);border-radius:var(--border-radius-md);transition:all var(--transition-fast)}.toast-close:hover{background:var(--color-gray-100);color:var(--color-gray-900)}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:var(--z-modal-backdrop);padding:var(--spacing-4);animation:fadeIn var(--transition-base)}.modal{background:var(--color-white);border-radius:var(--border-radius-2xl);box-shadow:var(--shadow-2xl);max-width:600px;width:100%;max-height:90vh;overflow:hidden;display:flex;flex-direction:column;animation:scaleIn var(--transition-base);z-index:var(--z-modal)}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-6);border-bottom:var(--border-width-1) solid var(--color-gray-200)}.modal-title{font-size:var(--font-size-xl);font-weight:var(--font-weight-bold);color:var(--color-gray-900)}.modal-close{background:none;border:none;color:var(--color-gray-400);cursor:pointer;padding:var(--spacing-2);border-radius:var(--border-radius-md);transition:all var(--transition-fast)}.modal-close:hover{background:var(--color-gray-100);color:var(--color-gray-900)}.modal-body{padding:var(--spacing-6);overflow-y:auto;flex:1 1}.modal-footer{display:flex;align-items:center;justify-content:flex-end;gap:var(--spacing-3);padding:var(--spacing-6);border-top:var(--border-width-1) solid var(--color-gray-200)}.dropdown{position:relative;display:inline-block}.dropdown-menu{position:absolute;top:100%;left:0;margin-top:var(--spacing-2);background:var(--color-white);border:var(--border-width-1) solid var(--color-gray-200);border-radius:var(--border-radius-xl);box-shadow:var(--shadow-xl);min-width:200px;z-index:var(--z-dropdown);opacity:0;pointer-events:none;transform:translateY(-8px);transition:all var(--transition-base)}.dropdown.open .dropdown-menu{opacity:1;pointer-events:all;transform:translateY(0)}.dropdown-item{display:flex;align-items:center;gap:var(--spacing-3);padding:var(--spacing-3) var(--spacing-4);color:var(--color-gray-700);text-decoration:none;transition:all var(--transition-fast);cursor:pointer;border:none;background:none;width:100%;text-align:left;font-size:var(--font-size-sm)}.dropdown-item:first-child{border-radius:var(--border-radius-xl) var(--border-radius-xl) 0 0}.dropdown-item:last-child{border-radius:0 0 var(--border-radius-xl) var(--border-radius-xl)}.dropdown-item:hover{background:var(--color-gray-50);color:var(--color-gray-900)}.dropdown-item-danger{color:var(--color-error)}.dropdown-item-danger:hover{background:var(--color-error-50);color:var(--color-error-700)}.dropdown-divider{height:1px;background:var(--color-gray-200);margin:var(--spacing-1) 0}.tabs{display:flex;gap:var(--spacing-2);border-bottom:var(--border-width-2) solid var(--color-gray-200);margin-bottom:var(--spacing-6)}.tab{padding:var(--spacing-3) var(--spacing-4);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);color:var(--color-gray-600);background:none;border:none;border-bottom:2px solid transparent;cursor:pointer;transition:all var(--transition-fast);margin-bottom:-2px}.tab:hover{color:var(--color-gray-900)}.tab.active{color:var(--color-primary);border-bottom-color:var(--color-primary);font-weight:var(--font-weight-semibold)}.tab-content{display:none}.tab-content.active{display:block;animation:fadeIn var(--transition-base)}.accordion{border:var(--border-width-1) solid var(--color-gray-200);border-radius:var(--border-radius-xl);overflow:hidden}.accordion-item{border-bottom:var(--border-width-1) solid var(--color-gray-200)}.accordion-item:last-child{border-bottom:none}.accordion-header{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-4) var(--spacing-6);cursor:pointer;transition:all var(--transition-fast);background:var(--color-white)}.accordion-header:hover{background:var(--color-gray-50)}.accordion-title{font-size:var(--font-size-base);font-weight:var(--font-weight-semibold);color:var(--color-gray-900)}.accordion-icon{transition:transform var(--transition-base);color:var(--color-gray-400)}.accordion-item.open .accordion-icon{transform:rotate(180deg)}.accordion-content{max-height:0;overflow:hidden;transition:max-height var(--transition-slow)}.accordion-item.open .accordion-content{max-height:1000px}.accordion-body{padding:var(--spacing-4) var(--spacing-6);color:var(--color-gray-600)}.switch{position:relative;display:inline-block;width:44px;height:24px}.switch-input{opacity:0;width:0;height:0}.switch-slider{cursor:pointer;top:0;left:0;right:0;bottom:0;background:var(--color-gray-300)}.switch-slider,.switch-slider:before{position:absolute;transition:all var(--transition-base);border-radius:var(--border-radius-full)}.switch-slider:before{content:"";height:18px;width:18px;left:3px;bottom:3px;background:var(--color-white);box-shadow:var(--shadow-sm)}.switch-input:checked+.switch-slider{background:var(--color-primary)}.switch-input:checked+.switch-slider:before{transform:translateX(20px)}.switch-input:focus+.switch-slider{box-shadow:0 0 0 3px var(--color-primary-100)}.search-bar{position:relative;display:flex;align-items:center}.search-input{width:100%;padding:var(--spacing-3) var(--spacing-4) var(--spacing-3) var(--spacing-10);border:var(--border-width-2) solid var(--color-gray-200);border-radius:var(--border-radius-xl);font-size:var(--font-size-base);transition:all var(--transition-base)}.search-input:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-100)}.search-icon{left:var(--spacing-4);pointer-events:none}.search-clear,.search-icon{position:absolute;color:var(--color-gray-400)}.search-clear{right:var(--spacing-4);background:none;border:none;cursor:pointer;padding:var(--spacing-1);border-radius:var(--border-radius-md);transition:all var(--transition-fast)}.search-clear:hover{background:var(--color-gray-100);color:var(--color-gray-900)}.kbd{padding:var(--spacing-1) var(--spacing-2);font-family:var(--font-family-mono);font-weight:var(--font-weight-semibold);color:var(--color-gray-700);background:var(--color-gray-100);border:var(--border-width-1) solid var(--color-gray-300);border-radius:var(--border-radius-md);box-shadow:0 1px 0 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