.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:10px 20px;font-size:14px;font-weight:500;line-height:1.4;border-radius:var(--radius-md);border:1.5px solid transparent;cursor:pointer;transition:all var(--transition-fast);white-space:nowrap;position:relative;overflow:hidden;font-family:inherit}.btn:focus-visible{outline:none;box-shadow:var(--shadow-focus)}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-primary{background:var(--color-primary-600);color:var(--text-inverse)}.btn-primary:hover:not(:disabled){background:var(--color-primary-700)}.btn-primary:active:not(:disabled){background:var(--color-primary-800)}.btn-secondary{background:var(--surface-card);color:var(--color-neutral-700);border-color:var(--border-default)}.btn-secondary:hover:not(:disabled){background:var(--color-neutral-100);border-color:var(--border-strong)}.btn-secondary:active:not(:disabled){background:var(--color-neutral-200)}.btn-ghost{background:transparent;color:var(--color-neutral-600)}.btn-ghost:hover:not(:disabled){background:var(--color-neutral-100)}.btn-ghost:active:not(:disabled){background:var(--color-neutral-200)}.btn-outline{background:transparent;color:var(--color-primary-600);border-color:var(--color-primary-300)}.btn-outline:hover:not(:disabled){background:var(--color-primary-50);border-color:var(--color-primary-600)}.btn-outline:active:not(:disabled){background:var(--color-primary-100)}.btn-text{background:transparent;color:var(--color-primary-600);padding:10px 12px;border:none}.btn-text:hover:not(:disabled){color:var(--color-primary-700);background:var(--color-primary-50)}.btn-icon{padding:10px;border-radius:var(--radius-md)}.btn-sm{padding:6px 14px;font-size:13px}.btn-lg{padding:14px 28px;font-size:16px;border-radius:var(--radius-lg)}.btn-loading{color:transparent!important;pointer-events:none}.btn-loading:after{content:"";position:absolute;width:18px;height:18px;border:2px solid var(--color-neutral-400);border-right-color:transparent;border-radius:50%;animation:spin .6s linear infinite}.btn-primary.btn-loading:after{border-color:#fff9;border-right-color:transparent}@keyframes spin{to{transform:rotate(360deg)}}.form-group{display:flex;flex-direction:column;gap:var(--space-1)}.form-label{font-size:14px;font-weight:500;color:var(--color-neutral-700)}.form-input,.form-textarea,.form-select{width:100%;padding:10px 14px;font-size:14px;line-height:1.5;color:var(--color-neutral-800);background:var(--surface-card);border:1.5px solid var(--border-default);border-radius:var(--radius-md);transition:all var(--transition-fast)}.form-input:hover,.form-textarea:hover,.form-select:hover{border-color:var(--border-strong)}.form-input:focus,.form-textarea:focus,.form-select:focus{outline:none;border-color:var(--border-focus);box-shadow:var(--shadow-focus)}.form-input::-moz-placeholder,.form-textarea::-moz-placeholder{color:var(--color-neutral-400)}.form-input::placeholder,.form-textarea::placeholder{color:var(--color-neutral-400)}.form-textarea{min-height:100px;resize:vertical}.form-select{-webkit-appearance:none;-moz-appearance:none;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 14px center;padding-right:36px;cursor:pointer}.form-helper{font-size:12px;color:var(--color-neutral-500);margin-top:2px}.form-input.error{border-color:var(--color-error-500)}.form-input.error:focus{box-shadow:0 0 0 3px #ef444426}.form-error-text{font-size:12px;color:var(--color-error-600);margin-top:2px}.form-input.success{border-color:var(--color-success-500)}.form-input.success:focus{box-shadow:0 0 0 3px #22c55e26}.form-success-text{font-size:12px;color:var(--color-success-600);margin-top:2px}.form-input:disabled,.form-textarea:disabled,.form-select:disabled{background:var(--color-neutral-50);color:var(--color-neutral-400);cursor:not-allowed}.search-wrapper{position:relative}.search-wrapper .search-icon{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--color-neutral-400);pointer-events:none}.search-wrapper .form-input{padding-left:38px}.checkbox-label{display:inline-flex;align-items:center;gap:var(--space-2);cursor:pointer;font-size:14px;color:var(--color-neutral-700);-webkit-user-select:none;-moz-user-select:none;user-select:none}.checkbox-input{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:18px;height:18px;border:1.5px solid var(--border-default);border-radius:var(--radius-sm);background:var(--surface-card);cursor:pointer;transition:all var(--transition-fast);display:grid;place-content:center;flex-shrink:0}.checkbox-input:after{content:"";width:10px;height:10px;clip-path:polygon(14% 44%,0 65%,50% 100%,100% 16%,80% 0%,43% 62%);transform:scale(0);transition:transform var(--transition-fast);background:#fff}.checkbox-input:checked{background:var(--color-primary-600);border-color:var(--color-primary-600)}.checkbox-input:checked:after{transform:scale(1)}.checkbox-input:focus-visible{box-shadow:var(--shadow-focus)}.radio-label{display:inline-flex;align-items:center;gap:var(--space-2);cursor:pointer;font-size:14px;color:var(--color-neutral-700);-webkit-user-select:none;-moz-user-select:none;user-select:none}.radio-input{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:18px;height:18px;border:1.5px solid var(--border-default);border-radius:50%;background:var(--surface-card);cursor:pointer;transition:all var(--transition-fast);display:grid;place-content:center;flex-shrink:0}.radio-input:after{content:"";width:8px;height:8px;border-radius:50%;background:#fff;transform:scale(0);transition:transform var(--transition-fast)}.radio-input:checked{background:var(--color-primary-600);border-color:var(--color-primary-600)}.radio-input:checked:after{transform:scale(1)}.switch-label{display:inline-flex;align-items:center;gap:var(--space-3);cursor:pointer;font-size:14px;color:var(--color-neutral-700);-webkit-user-select:none;-moz-user-select:none;user-select:none}.switch-track{position:relative;width:44px;height:24px;background:var(--color-neutral-300);border-radius:var(--radius-full);transition:background var(--transition-fast);flex-shrink:0}.switch-track:after{content:"";position:absolute;top:2px;left:2px;width:20px;height:20px;background:#fff;border-radius:50%;box-shadow:var(--shadow-sm);transition:transform var(--transition-fast)}.switch-input{position:absolute;opacity:0;width:0;height:0}.switch-input:checked+.switch-track{background:var(--color-primary-600)}.switch-input:checked+.switch-track:after{transform:translate(20px)}.switch-input:focus-visible+.switch-track{box-shadow:var(--shadow-focus)}.card{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:var(--space-6);box-shadow:var(--shadow-xs);transition:all var(--transition-base)}.card:hover{box-shadow:var(--shadow-sm);border-color:var(--border-default)}.card-header{margin-bottom:var(--space-4)}.card-title{font-size:18px;font-weight:600;color:var(--text-primary);margin-bottom:var(--space-1)}.card-description{font-size:14px;color:var(--text-secondary);line-height:1.5}.card-body{color:var(--color-neutral-600);font-size:14px;line-height:1.6}.card-footer{margin-top:var(--space-5);padding-top:var(--space-4);border-top:1px solid var(--border-light)}.card-feature{text-align:center;padding:var(--space-8) var(--space-6)}.card-feature .card-icon{width:56px;height:56px;border-radius:var(--radius-lg);background:var(--color-primary-50);color:var(--color-primary-600);display:inline-flex;align-items:center;justify-content:center;margin-bottom:var(--space-4);font-size:24px}.card-stat{padding:var(--space-6)}.card-stat .stat-value{font-size:36px;font-weight:700;color:var(--text-primary);line-height:1.1}.card-stat .stat-label{font-size:13px;color:var(--text-secondary);margin-top:var(--space-1);font-weight:400}.card-stat .stat-change{font-size:13px;font-weight:500;margin-top:var(--space-2);display:inline-flex;align-items:center;gap:4px}.card-stat .stat-change.positive{color:var(--color-success-600)}.card-stat .stat-change.negative{color:var(--color-error-600)}.alert{display:flex;gap:var(--space-3);padding:var(--space-4) var(--space-5);border-radius:var(--radius-lg);border:1px solid;font-size:14px;line-height:1.5}.alert-icon{flex-shrink:0;font-size:18px;margin-top:1px}.alert-content{flex:1}.alert-title{font-weight:600;margin-bottom:2px}.alert-info{background:var(--color-info-50);border-color:var(--color-info-500);color:var(--color-info-700)}.alert-success{background:var(--color-success-50);border-color:var(--color-success-500);color:var(--color-success-700)}.alert-warning{background:var(--color-warning-50);border-color:var(--color-warning-500);color:var(--color-warning-700)}.alert-error{background:var(--color-error-50);border-color:var(--color-error-500);color:var(--color-error-700)}.badge{display:inline-flex;align-items:center;gap:4px;padding:2px 10px;font-size:12px;font-weight:500;border-radius:var(--radius-full);line-height:1.5}.badge-primary{background:var(--color-primary-100);color:var(--color-primary-700)}.badge-secondary{background:var(--color-neutral-100);color:var(--color-neutral-700)}.badge-success{background:var(--color-success-100);color:var(--color-success-700)}.badge-warning{background:var(--color-warning-100);color:var(--color-warning-700)}.badge-error{background:var(--color-error-100);color:var(--color-error-700)}.badge-info{background:var(--color-info-100);color:var(--color-info-700)}.badge-accent{background:var(--color-accent-100);color:var(--color-accent-700)}.badge-dot:before{content:"";width:4px;height:4px;border-radius:0;background:currentColor}.chip{display:inline-flex;align-items:center;gap:var(--space-1);padding:4px 12px;font-size:13px;font-weight:400;border-radius:var(--radius-full);background:var(--color-neutral-100);color:var(--color-neutral-700);border:1px solid var(--border-light);transition:all var(--transition-fast);cursor:default}.chip:hover{background:var(--color-neutral-200)}.chip-close{display:inline-flex;align-items:center;justify-content:center;width:16px;height:16px;border-radius:50%;background:transparent;color:var(--color-neutral-500);font-size:14px;cursor:pointer;transition:background var(--transition-fast);margin-left:2px;border:none;padding:0;line-height:1}.chip-close:hover{background:var(--color-neutral-300);color:var(--color-neutral-700)}.tabs-list{display:flex;gap:0;border-bottom:2px solid var(--border-light)}.tab-item{padding:var(--space-3) var(--space-5);font-size:14px;font-weight:500;color:var(--color-neutral-500);border:none;background:none;cursor:pointer;position:relative;transition:color var(--transition-fast);border-bottom:2px solid transparent;margin-bottom:-2px}.tab-item:hover{color:var(--color-neutral-700)}.tab-item.active{color:var(--color-primary-600);border-bottom-color:var(--color-primary-600)}.tab-content{padding:var(--space-5) 0;font-size:14px;color:var(--color-neutral-600);line-height:1.6}.accordion{border:1px solid var(--border-light);border-radius:var(--radius-lg);overflow:hidden}.accordion-item{border-bottom:1px solid var(--border-light)}.accordion-item:last-child{border-bottom:none}.accordion-header{display:flex;align-items:center;justify-content:space-between;width:100%;padding:var(--space-4) var(--space-5);font-size:14px;font-weight:500;color:var(--color-neutral-800);background:var(--surface-card);border:none;cursor:pointer;text-align:left;transition:background var(--transition-fast)}.accordion-header:hover{background:var(--color-neutral-50)}.accordion-icon{font-size:12px;color:var(--color-neutral-400);transition:transform var(--transition-fast)}.accordion-item.open .accordion-icon{transform:rotate(180deg)}.accordion-content{max-height:0;overflow:hidden;transition:max-height var(--transition-base),padding var(--transition-base)}.accordion-item.open .accordion-content{max-height:400px;padding:0 var(--space-5) var(--space-5)}.accordion-content-inner{font-size:14px;color:var(--color-neutral-600);line-height:1.6}.modal-demo{position:relative;background:var(--color-neutral-100);border-radius:var(--radius-lg);padding:var(--space-8);min-height:320px;display:flex;align-items:center;justify-content:center;overflow:hidden}.modal-demo-backdrop{position:absolute;top:0;right:0;bottom:0;left:0;background:var(--surface-overlay);border-radius:var(--radius-lg)}.modal-box{position:relative;background:var(--surface-card);border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);width:100%;max-width:420px;overflow:hidden;animation:modalIn .3s ease}@keyframes modalIn{0%{transform:scale(.95) translateY(10px);opacity:0}to{transform:scale(1) translateY(0);opacity:1}}.modal-header{padding:var(--space-5) var(--space-6);border-bottom:1px solid var(--border-light);display:flex;align-items:center;justify-content:space-between}.modal-header h3{font-size:16px;font-weight:600;color:var(--text-primary)}.modal-close{width:32px;height:32px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;color:var(--color-neutral-400);cursor:pointer;transition:all var(--transition-fast);font-size:18px;border:none;background:none}.modal-close:hover{background:var(--color-neutral-100);color:var(--color-neutral-600)}.modal-body{padding:var(--space-5) var(--space-6);font-size:14px;color:var(--color-neutral-600);line-height:1.6}.modal-footer{padding:var(--space-4) var(--space-6);border-top:1px solid var(--border-light);display:flex;justify-content:flex-end;gap:var(--space-3)}.tooltip-wrapper{position:relative;display:inline-block}.tooltip-content{position:absolute;bottom:calc(100% + 8px);left:50%;transform:translate(-50%);padding:6px 12px;background:var(--color-neutral-800);color:#fff;font-size:12px;font-weight:400;border-radius:var(--radius-md);white-space:nowrap;pointer-events:none;box-shadow:var(--shadow-lg)}.tooltip-content:after{content:"";position:absolute;top:100%;left:50%;transform:translate(-50%);border:5px solid transparent;border-top-color:var(--color-neutral-800)}.table-container{border:1px solid var(--border-light);border-radius:var(--radius-lg);overflow:hidden}.data-table{width:100%;border-collapse:collapse}.data-table th{background:var(--color-neutral-50);padding:var(--space-3) var(--space-4);font-size:12px;font-weight:600;color:var(--color-neutral-500);text-transform:uppercase;letter-spacing:.05em;text-align:left;border-bottom:1px solid var(--border-light)}.data-table td{padding:var(--space-3) var(--space-4);font-size:14px;color:var(--color-neutral-700);border-bottom:1px solid var(--border-light)}.data-table tr:last-child td{border-bottom:none}.data-table tr:hover 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var(--transition-fast)}.breadcrumb-item:hover:not(.current){color:var(--color-primary-600)}.breadcrumb-item.current{color:var(--color-neutral-800);font-weight:500}.breadcrumb-sep{color:var(--color-neutral-300);font-size:12px}.avatar{display:inline-flex;align-items:center;justify-content:center;border-radius:50%;background:var(--color-primary-100);color:var(--color-primary-700);font-weight:500;overflow:hidden;flex-shrink:0}.avatar-sm{width:32px;height:32px;font-size:12px}.avatar-md{width:40px;height:40px;font-size:14px}.avatar-lg{width:48px;height:48px;font-size:16px}.avatar-xl{width:64px;height:64px;font-size:20px}.avatar-group{display:flex}.avatar-group .avatar{border:2px solid var(--surface-card);margin-left:-10px}.avatar-group .avatar:first-child{margin-left:0}.dropdown-wrapper{position:relative;display:inline-block}.dropdown-menu{position:absolute;top:calc(100% + 4px);left:0;min-width:200px;background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);padding:var(--space-1);z-index:var(--z-dropdown);opacity:0;transform:translateY(-4px);pointer-events:none;transition:all var(--transition-fast)}.dropdown-menu.open{opacity:1;transform:translateY(0);pointer-events:auto}.dropdown-item{display:flex;align-items:center;gap:var(--space-2);width:100%;padding:var(--space-2) var(--space-3);font-size:14px;color:var(--color-neutral-700);border-radius:var(--radius-md);border:none;background:none;cursor:pointer;transition:background var(--transition-fast);text-align:left}.dropdown-item:hover{background:var(--color-neutral-50);color:var(--color-neutral-900)}.dropdown-divider{height:1px;background:var(--border-light);margin:var(--space-1) 0}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--space-12) var(--space-8);text-align:center}.empty-state-icon{width:64px;height:64px;border-radius:var(--radius-xl);background:var(--color-neutral-100);color:var(--color-neutral-400);display:flex;align-items:center;justify-content:center;font-size:28px;margin-bottom:var(--space-4)}.empty-state-title{font-size:16px;font-weight:600;color:var(--text-primary);margin-bottom:var(--space-2)}.empty-state-desc{font-size:14px;color:var(--text-secondary);max-width:320px;margin-bottom:var(--space-5)}.skeleton{background:linear-gradient(90deg,var(--color-neutral-100) 25%,var(--color-neutral-200) 50%,var(--color-neutral-100) 75%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:var(--radius-md)}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.skeleton-text{height:14px;margin-bottom:var(--space-2);border-radius:var(--radius-sm)}.skeleton-text:last-child{width:60%}.skeleton-heading{height:24px;width:40%;margin-bottom:var(--space-3)}.skeleton-avatar{width:48px;height:48px;border-radius:50%}.skeleton-card{padding:var(--space-5);border:1px solid var(--border-light);border-radius:var(--radius-lg);background:var(--surface-card)}.nav-header{display:flex;align-items:center;justify-content:space-between;padding:var(--space-4) var(--space-6);background:var(--surface-card);border-bottom:1px solid var(--border-light);border-radius:var(--radius-lg)}.nav-logo{font-size:18px;font-weight:700;color:var(--text-primary);display:flex;align-items:center;gap:var(--space-2)}.nav-logo-mark{width:28px;height:28px;border-radius:var(--radius-md);background:var(--color-primary-600);display:flex;align-items:center;justify-content:center;color:#fff;font-size:14px}.nav-links{display:flex;align-items:center;gap:var(--space-6)}.nav-link{font-size:14px;font-weight:500;color:var(--color-neutral-500);transition:color var(--transition-fast);position:relative}.nav-link:hover,.nav-link.active{color:var(--color-neutral-900)}.nav-link.active:after{content:"";position:absolute;bottom:-18px;left:0;right:0;height:2px;background:var(--color-primary-600);border-radius:1px}.page-footer{background:var(--color-neutral-900);color:#fff;border-radius:var(--radius-lg);padding:var(--space-10) var(--space-8)}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:var(--space-8)}.footer-brand 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var(--space-4);gap:var(--space-2)}.side-panel::-webkit-scrollbar{height:4px}.side-panel::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:var(--radius-full)}.side-panel-title{display:none}.side-panel-item{white-space:nowrap;margin-bottom:0}.content-block-demo{padding:var(--space-5)}.table-container{overflow-x:auto}.data-table{min-width:600px}.type-row{flex-direction:column;gap:var(--space-2)}.type-meta{width:auto}.tabs-list{overflow-x:auto;-webkit-overflow-scrolling:touch;white-space:nowrap;display:flex;padding-bottom:2px}.tabs-list::-webkit-scrollbar{display:none}.nav-links{display:none}.modal-demo{padding:var(--space-4)}.modal-footer{flex-direction:column;gap:var(--space-2)}.modal-footer 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var(--color-border);border-radius:var(--radius-xl);padding:var(--space-8);margin-block:var(--space-8)}.hero-candidate-wrapper.standalone-mode{min-height:100vh;border:none;border-radius:0;margin-block:0}.hero-candidate-content{position:relative;z-index:10;text-align:center;max-width:800px;display:flex;flex-direction:column;align-items:center}.hero-candidate-gradient-glow{pointer-events:none;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:140%;height:160%;border-radius:50%;background:radial-gradient(circle at center,rgba(230,230,230,.8) 0%,transparent 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