.certificate-list-container{display:flex;flex-direction:column;gap:var(--space-16)}.certificate-grouping-controls{display:flex;flex-direction:column;align-items:center;gap:var(--space-12);margin-bottom:var(--space-32);padding-bottom:var(--space-24);border-bottom:1px solid var(--border-color)}@media (min-width:768px){.certificate-grouping-controls{flex-direction:row;justify-content:center}}.grouping-label{font-weight:600;color:var(--secondary-text);font-size:var(--text-sm)}.grouping-buttons{display:inline-flex;background-color:var(--surface-background);border-radius:var(--radius-lg);padding:var(--space-4);border:1px solid var(--border-color)}.grouping-button{display:inline-flex;align-items:center;gap:var(--space-8);padding:var(--space-8) var(--space-16);font-size:var(--text-sm);font-weight:600;border-radius:var(--radius-md);transition:all .2s;background-color:transparent;color:var(--secondary-text);border:none;cursor:pointer}.grouping-button .button-icon{width:1.125rem;height:1.125rem;flex-shrink:0}.grouping-button:hover:not(.active){background-color:var(--border-color-light)}.grouping-button.active{background-color:var(--primary-background);color:var(--interactive-blue);box-shadow:var(--shadow-sm)}.certificate-category-item{background-color:var(--primary-background);border:1px solid var(--border-color);border-radius:var(--radius-xl);overflow:hidden;transition:all .3s ease}.certificate-category-item:has(.certificate-category-header.open){box-shadow:var(--shadow-lg)}.certificate-category-header{display:flex;justify-content:space-between;align-items:center;width:100%;padding:var(--space-20) var(--space-24);font-size:var(--text-h5);font-weight:600;color:var(--primary-text);text-align:left;background-color:var(--primary-background);transition:background-color .2s ease-in-out}.certificate-category-header:hover{background-color:var(--surface-background);color:var(--interactive-blue)}.certificate-category-header.open{color:var(--interactive-blue);border-bottom:1px solid var(--border-color)}.category-chevron{width:1.5rem;height:1.5rem;color:var(--secondary-text);transition:transform .3s ease-in-out}.certificate-category-header:hover .category-chevron{color:var(--interactive-blue)}.certificate-category-header.open .category-chevron{transform:rotate(180deg)}.certificate-grid-wrapper{overflow:hidden;max-height:0;transition:max-height .5s cubic-bezier(.25,1,.5,1),padding .5s ease-in-out;background-color:var(--surface-background);padding:var(--space-0) var(--space-24)}.certificate-grid-wrapper.open{max-height:2000px;padding:var(--space-24)}.certificate-grid{display:grid;gap:var(--space-24)}@media (min-width:768px){.certificate-grid{grid-template-columns:repeat(2,1fr)}}@media (min-width:1024px){.certificate-grid{grid-template-columns:repeat(3,1fr)}}.certificate-card{background-color:var(--primary-background);border-radius:var(--radius-xl);text-decoration:none;display:flex;flex-direction:column;height:100%;position:relative;border:2px solid var(--border-color);transition:border-color .3s ease}.certificate-card:before{content:"";position:absolute;inset:0;border-radius:var(--radius-lg);padding:var(--space-2);background:linear-gradient(45deg,var(--primary-brand-orange),var(--interactive-blue));-webkit-mask:linear-gradient(var(--neutral-0) 0 0) content-box,linear-gradient(var(--neutral-0) 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:opacity .4s ease}.certificate-card:hover:before{opacity:1}.certificate-card:hover{border-color:transparent}.certificate-card-content{flex-grow:1;display:flex;flex-direction:column;align-items:center;text-align:center;padding:var(--space-24) var(--space-24) var(--space-0) var(--space-24)}.certificate-icon{width:2.5rem;height:2.5rem;color:var(--interactive-blue);margin-bottom:var(--space-16)}.certificate-name{font-size:var(--text-lg);font-weight:600;color:var(--primary-text);flex-grow:1;margin-bottom:var(--space-16)}.certificate-level-badge{display:inline-block;padding:var(--space-4) var(--space-12);font-size:var(--text-xs);font-weight:600;border-radius:var(--radius-pill);text-transform:uppercase;letter-spacing:.05em;margin-bottom:var(--space-24)}.level-advanced{background-color:#fef2f2;color:#991b1b}.level-intermediate{background-color:#fffbeb;color:#92400e}.level-fundamentals{background-color:#eff6ff;color:#1e40af}.level-beginner{background-color:var(--color-surface-sunk);color:var(--color-ink-muted)}.level-community{background-color:#ecfdf5;color:#065f46}.certificate-card-footer{margin-top:auto;width:100%;padding:var(--space-0) var(--space-24) var(--space-24) var(--space-24)}.certificate-verify-button{display:block;width:100%;padding:.6rem var(--space-16);font-size:var(--text-sm);font-weight:600;color:var(--interactive-blue);background-color:var(--surface-background);border:1px solid var(--border-color);border-radius:var(--radius-md);text-align:center;transition:all .2s ease}.certificate-card:hover .certificate-verify-button{background-color:var(--interactive-blue);color:white;border-color:var(--interactive-blue)}.no-results-message{text-align:center;border:1px dashed var(--border-color);border-radius:var(--radius-lg);color:var(--secondary-text);font-weight:500}.certificate-search-container,.no-results-message{padding:var(--space-32);background-color:var(--primary-background)}.certificate-search-container{border-radius:var(--radius-xl);margin-bottom:var(--space-48);border:1px solid var(--border-color);box-shadow:var(--shadow-md)}.certificate-search-title{font-size:var(--text-h4);font-weight:700;text-align:center;color:var(--primary-text);margin-bottom:var(--space-24)}.certificate-search-form{display:flex;flex-direction:column;gap:var(--space-16)}@media (min-width:768px){.certificate-search-form{flex-direction:row;align-items:center}}.certificate-search-form .search-input-wrapper{flex-grow:1;position:relative}.certificate-search-form .search-input-icon{position:absolute;left:1rem;top:50%;transform:translateY(-50%);width:1.25rem;height:1.25rem;color:var(--subtle-text)}.certificate-search-form .search-input{width:100%;padding:.8rem var(--space-16) .8rem var(--space-48);border-radius:var(--radius-lg);border:1px solid var(--border-color);background-color:var(--surface-background);transition:all .2s ease-in-out}.certificate-search-form .search-input::placeholder{color:var(--subtle-text);opacity:1}.certificate-search-form .search-input:focus{outline:none;border-color:var(--interactive-blue);box-shadow:0 0 0 2px rgba(var(--rgb-indigo-strong),.2)}.certificate-search-form .clear-button,.certificate-search-form .search-button{padding:.8rem var(--space-24);font-weight:600;border-radius:var(--radius-lg);border:none;cursor:pointer;transition:all .2s ease-in-out;white-space:nowrap}.certificate-search-form .search-button{background-color:var(--interactive-blue);color:white;min-width:120px;display:flex;justify-content:center;align-items:center}.certificate-search-form .search-button:hover:not(:disabled){background-color:var(--interactive-hover)}.certificate-search-form .search-button:disabled{background-color:var(--subtle-text);opacity:.8;cursor:not-allowed}.button-content{display:flex;align-items:center;gap:var(--space-8)}.spinner{width:1rem;height:1rem;border-radius:var(--radius-circle);border:2px solid rgba(var(--rgb-white),.3);border-top:2px solid white;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.certificate-search-form .clear-button{background-color:transparent;color:var(--secondary-text);border:1px solid var(--border-color)}.certificate-search-form .clear-button:hover{background-color:var(--surface-background);border-color:var(--secondary-text)}.search-error{text-align:center;color:var(--color-danger-strong);font-weight:500;margin-top:var(--space-16)}.collapsible-section{background-color:var(--primary-background);border:1px solid var(--border-color);border-radius:var(--radius-xl);overflow:hidden;transition:all .3s ease}.collapsible-section.open{box-shadow:var(--shadow-lg)}.collapsible-header{display:flex;justify-content:space-between;align-items:center;width:100%;padding:var(--space-20) var(--space-24);text-align:left;background-color:var(--primary-background);transition:background-color .2s ease-in-out}.collapsible-header:hover,.collapsible-section.open .collapsible-header{background-color:var(--surface-background)}.collapsible-title{font-size:var(--text-h5);font-weight:600;color:var(--primary-text);margin:var(--space-0)}.collapsible-header:hover .collapsible-title{color:var(--interactive-blue)}.collapsible-chevron{width:1.5rem;height:1.5rem;color:var(--secondary-text);transition:transform .3s ease-in-out;flex-shrink:0}.collapsible-section.open .collapsible-chevron{transform:rotate(180deg)}.collapsible-content-wrapper{overflow:hidden;max-height:0;transition:max-height .5s cubic-bezier(.25,1,.5,1),padding .5s ease-in-out;background-color:var(--primary-background)}.collapsible-section.open .collapsible-content-wrapper{max-height:5000px}.collapsible-content{border-top:1px solid var(--border-color)}.collapsible-content-padding{padding:var(--space-32)}.collapsible-content-padding p{font-size:var(--text-base);line-height:1.7;color:var(--secondary-text);margin:var(--space-0)}