.help-hero h1,.tool-card-icon{margin-bottom:var(--spacing-md)}.form-group-inline .form-control,.help-search-input{transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.form-group-inline .form-control:focus,.help-search-input:focus{outline:0;border-color:var(--primary-color);box-shadow:0 0 0 3px rgba(0,86,179,.15)}#user-ip,.tool-output pre{font-family:'Courier New',Courier,monospace}body.dark-mode .form-control,body.dark-mode .ip-display,body.dark-mode .tool-card,body.dark-mode .tool-card-badge,body.dark-mode .tool-card:hover,body.dark-mode .tool-output{border-color:var(--dark-border)}body.dark-mode #copy-ip-button:hover,body.dark-mode #kb-categories .tech-tile:hover .tech-tile-content h3,body.dark-mode #user-ip,body.dark-mode .tool-output .loading-indicator i{color:var(--primary-light)}#kb-categories .tech-tile-icon i{transition:.3s}#kb-categories .tech-tile:hover .tech-tile-icon i{transform:scale(1.2);text-shadow:0 0 20px 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span{color:var(--text-muted);font-size:.9rem}.popular-searches a{color:var(--text-color);background:var(--background-alt);padding:5px 15px;border-radius:50px;font-size:.9rem;transition:.3s}.popular-searches a:hover{background:var(--primary-color);color:#fff;text-decoration:none}.diagnostic-tools-section{padding:var(--spacing-xl) 0;background-color:var(--background-alt)}.diagnostic-tools-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:var(--spacing-lg)}.tool-card{background-color:var(--background-color);border-radius:var(--border-radius-lg);padding:var(--spacing-lg);box-shadow:var(--shadow-md);border:1px solid var(--border-color);transition:transform .3s,box-shadow 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var(--border-color);border-radius:var(--border-radius-md)}.form-group-inline .cta-button{padding:.5rem 1rem;font-size:.9rem;white-space:nowrap;height:auto;align-self:stretch}.form-group-inline .cta-button i{margin-right:.3em}.dns-group .dns-input{flex-basis:60%}.dns-group .dns-select{flex-basis:20%;min-width:70px;appearance:none;background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23343a40' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");background-repeat:no-repeat;background-position:right .75rem center;background-size:16px 12px;padding-right:2.5rem}.dns-group .cta-button{flex-basis:20%}.tool-output{border:1px solid var(--border-color);border-radius:var(--border-radius-md);padding:var(--spacing-md);margin-top:var(--spacing-md);font-size:.9rem;color:var(--text-color);max-height:280px;overflow-y:auto;display:none;position:relative}.tool-output.active{display:block}.tool-output pre{white-space:pre-wrap;word-break:break-all;margin-bottom:0;font-size:.85rem}.tool-output .loading-indicator{display:flex;align-items:center;justify-content:center;gap:var(--spacing-sm);color:var(--text-muted);padding:var(--spacing-lg) 0;font-size:1rem}.tool-output .loading-indicator i{font-size:1.3em;color:var(--primary-color)}.tool-card-badge{display:inline-block;color:var(--text-muted);font-size:.8rem;padding:4px 10px;border-radius:var(--border-radius-sm);margin-top:auto;align-self:flex-start;border:1px solid var(--border-color)}#copy-notification-diag{position:fixed;bottom:30px;left:50%;transform:translateX(-50%);background-color:var(--success-color);color:#fff;padding:.8rem 1.5rem;border-radius:var(--border-radius-md);box-shadow:var(--shadow-lg);z-index:1060;opacity:0;visibility:hidden;transition:opacity .3s,visibility 0s linear .3s,transform .3s;font-size:.95rem;white-space:nowrap;transform:translateX(-50%) translateY(20px)}#copy-notification-diag.show{opacity:1;visibility:visible;transition:opacity .3s,visibility linear,transform .3s;transform:translateX(-50%) translateY(0)}body.dark-mode .diagnostic-tools-section{background-color:var(--dark-background)}body.dark-mode .tool-card{background-color:var(--dark-card);box-shadow:none}body.dark-mode .tool-card:hover{background-color:var(--dark-hover)}body.dark-mode .tool-card-title{color:var(--dark-text)}body.dark-mode .tool-card-description{color:var(--text-muted)}body.dark-mode .form-control,body.dark-mode .form-control:focus,body.dark-mode .tool-output{color:var(--dark-text);background-color:var(--dark-background)}body.dark-mode .ip-display{background-color:var(--dark-background)}body.dark-mode .ip-display:hover{background-color:#2f2f2f}body.dark-mode #copy-ip-button{color:var(--text-muted)}body.dark-mode .form-control:focus{border-color:var(--primary-light);box-shadow:0 0 0 3px rgba(0,119,230,.25)}body.dark-mode .form-control::placeholder{color:var(--text-muted)}body.dark-mode .dns-group .dns-select{background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23adb5bd' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e")}body.dark-mode .tool-output .loading-indicator,body.dark-mode .tool-output pre{color:var(--text-muted)}body.dark-mode .tool-card-badge{background-color:var(--dark-background);color:var(--text-muted)}body.dark-mode #copy-notification-diag{background-color:var(--success-color);color:#fff;box-shadow:0 5px 15px rgba(0,0,0,.3)}.knowledge-categories{padding:50px 0;background:#fff}#kb-categories .benefits-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:25px;margin-top:2rem}#kb-categories .benefit-card{background:#fff;border-radius:10px;box-shadow:0 5px 15px rgba(0,0,0,.05);padding:25px;transition:.3s;height:100%;display:flex;flex-direction:column;text-decoration:none;color:var(--text-color);position:relative;border:1px solid rgba(0,0,0,.05);overflow:hidden;animation:.6s ease-out forwards fadeInUp;opacity:0}#kb-categories .benefit-card:hover{transform:translateY(-5px);box-shadow:0 15px 30px rgba(0,0,0,.1);text-decoration:none;border-color:transparent}#kb-categories .benefit-card::before{content:'';position:absolute;top:0;left:0;width:5px;height:100%;background:var(--primary,var(--primary-color,#0056b3));opacity:.5;transition:.3s}body.dark-mode #kb-categories .benefit-card:hover .article-count,body.dark-mode .config-item .config-value code{background-color:rgba(255,255,255,.1)}#kb-categories .benefit-card:hover::before{opacity:1;width:7px}#kb-categories .benefit-icon{width:60px;height:60px;border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:20px;color:#fff;transition:.3s;box-shadow:0 5px 15px rgba(0,0,0,.1)}#kb-categories .benefit-card:hover .benefit-icon{transform:scale(1.1) rotate(5deg)}#kb-categories .benefit-content{flex:1;display:flex;flex-direction:column}#kb-categories .benefit-content h3{font-size:1.3rem;font-weight:600;margin-bottom:10px;color:var(--text-color);transition:color .3s}#kb-categories .benefit-card:hover .benefit-content h3{color:var(--primary,var(--primary-color,#0056b3))}#kb-categories .benefit-content p{color:var(--text-muted,#999);margin-bottom:15px;font-size:.9rem;line-height:1.6;flex-grow:1}#kb-categories .category-meta{display:flex;justify-content:space-between;align-items:center;margin-top:auto;padding-top:15px;border-top:1px solid rgba(0,0,0,.05);font-size:.9rem}#kb-categories .article-count{color:var(--text-muted);background-color:rgba(0,0,0,.03);padding:5px 12px;border-radius:30px;font-size:.75rem;transition:.3s}#kb-categories .benefit-card:hover .article-count{background-color:rgba(0,0,0,.08);color:var(--primary,var(--primary-color,#0056b3))}#kb-categories .category-link{color:var(--primary,var(--primary-color,#0056b3));font-weight:500;display:flex;align-items:center;gap:5px;transition:.3s}#kb-categories .tech-tile,.config-card{box-shadow:var(--shadow-md);transition:transform var(--transition-normal),box-shadow var(--transition-normal);overflow:hidden}#kb-categories .benefit-card:hover .category-link{gap:8px}#kb-categories .category-link i{font-size:.75rem;transition:transform .3s}#kb-categories .benefit-card:hover .category-link i{transform:translateX(3px)}.gradient-bg-primary{background:linear-gradient(135deg,var(--primary,var(--primary-color,#0056b3)),var(--primary-dark,#004494))}.gradient-bg-success{background:linear-gradient(135deg,var(--success,var(--success-color,#28a745)),#1e7e34)}.gradient-bg-info{background:linear-gradient(135deg,var(--info,var(--info-color,#17a2b8)),#117a8b)}.gradient-bg-danger{background:linear-gradient(135deg,var(--danger,var(--danger-color,#dc3545)),#bd2130)}.gradient-bg-warning{background:linear-gradient(135deg,var(--warning,var(--warning-color,#ffc107)),#d39e00)}.gradient-bg-secondary{background:linear-gradient(135deg,var(--secondary,var(--secondary-color,#6c757d)),#545b62)}.gradient-bg-tertiary{background:linear-gradient(135deg,#6f42c1,#5533a3)}@keyframes fadeInUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}#kb-categories .benefit-card:first-child{animation-delay:.1s}#kb-categories .benefit-card:nth-child(2){animation-delay:.2s}#kb-categories .benefit-card:nth-child(3){animation-delay:.3s}#kb-categories .benefit-card:nth-child(4){animation-delay:.4s}#kb-categories .benefit-card:nth-child(5){animation-delay:.5s}#kb-categories .benefit-card:nth-child(6){animation-delay:.6s}#kb-categories .benefit-card:nth-child(7){animation-delay:.7s}#kb-categories .benefit-card:nth-child(8){animation-delay:.8s}body.dark-mode #kb-categories .benefit-card{background-color:var(--dark-bg);border-color:var(--dark-border);box-shadow:0 5px 15px rgba(0,0,0,.2)}body.dark-mode #kb-categories .benefit-card:hover{box-shadow:0 8px 25px rgba(0,0,0,.3)}body.dark-mode #kb-categories .benefit-content h3{color:var(--dark-text)}body.dark-mode #kb-categories .article-count,body.dark-mode #kb-categories .benefit-content p{color:rgba(255,255,255,.6)}body.dark-mode #kb-categories .tech-tile-content h3,body.dark-mode .config-name{color:var(--dark-text)}body.dark-mode #kb-categories .category-meta{border-color:var(--dark-border)}body.dark-mode #kb-categories .article-count{background-color:rgba(255,255,255,.05)}@media (max-width:768px){#kb-categories .benefits-grid{grid-template-columns:1fr}#kb-categories .benefit-card{padding:20px}}.email-configuration{background:var(--background-alt);padding:var(--spacing-xl) 0}.config-card-body,.config-card-header{padding:var(--spacing-md) var(--spacing-lg)}.email-config-container{max-width:1200px;margin:var(--spacing-xl) auto 0}.email-config-flex-row{display:flex;gap:var(--spacing-lg);margin-bottom:var(--spacing-lg)}.config-card{flex:1;background:var(--background-color);border-radius:var(--border-radius-lg);border:1px solid var(--border-color)}.config-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}.config-card-header{display:flex;align-items:center;background:var(--background-alt);border-bottom:1px solid var(--border-color)}.config-card .config-icon{width:50px;height:50px;border-radius:50%;background:var(--primary-color);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.25rem;margin-right:var(--spacing-md);box-shadow:var(--shadow-sm);flex-shrink:0}.config-card .config-title,.config-name{color:var(--text-color);font-weight:600}.config-card .config-title{font-size:1.125rem;margin:0;line-height:1.3}.config-item{display:flex;justify-content:space-between;padding:var(--spacing-xs) 0;border-bottom:1px dashed var(--border-color)}.config-item:last-child{border-bottom:none}body.dark-mode .config-card,body.dark-mode .config-item{border-color:var(--dark-border)}.config-name{padding-right:var(--spacing-md);width:40%}.config-item .config-value{text-align:right;width:60%;color:var(--text-light)}.config-item .config-value code{background-color:var(--background-alt);padding:3px 6px;border-radius:var(--border-radius-sm);font-family:monospace;font-size:.9rem}@media (max-width:992px){.email-config-flex-row{flex-direction:column}}body.dark-mode .config-card{background-color:var(--dark-card)}body.dark-mode .config-card-header{background-color:var(--dark-background);border-color:var(--dark-border)}.email-config-notes{margin-top:var(--spacing-lg);padding:var(--spacing-md);background:var(--background-color);border-radius:var(--border-radius-md);color:var(--text-light);font-style:italic;max-width:900px;margin-left:auto;margin-right:auto;border:1px solid var(--border-color)}.domain-checker-form{max-width:800px;margin:0 auto var(--spacing-lg)}#kb-categories .tech-tile-content h3,.status-header{margin-bottom:var(--spacing-sm);color:var(--text-color)}.dns-status-panel{margin-top:var(--spacing-md);padding:var(--spacing-md);border-radius:var(--border-radius-md);background-color:var(--background-color);border:1px solid var(--border-color);box-shadow:var(--shadow-sm)}.status-header{font-weight:600;padding-bottom:var(--spacing-sm);border-bottom:1px solid var(--border-color)}.status-items{display:flex;flex-direction:column;gap:var(--spacing-sm)}.status-item{display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-sm);border-radius:var(--border-radius-sm);background-color:var(--background-alt)}.status-label{font-weight:500;color:var(--text-color)}.status-value{display:flex;align-items:center;gap:var(--spacing-xs)}.status-value i{margin-right:var(--spacing-xs)}.status-success{color:var(--success-color)}.status-error{color:var(--danger-color)}.status-warning{color:var(--warning-color)}#kb-categories .tech-tiles-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:var(--spacing-lg);margin-bottom:var(--spacing-xl)}#kb-categories .tech-tile{background-color:var(--background-color);border-radius:var(--border-radius-lg);height:100%;display:flex;flex-direction:column;position:relative;text-decoration:none;color:var(--text-color);border:1px solid rgba(0,0,0,.05)}#kb-categories .tech-tile:hover{transform:translateY(-10px);box-shadow:var(--shadow-lg);text-decoration:none}#kb-categories .tech-tile-icon{height:130px;display:flex;align-items:center;justify-content:center;font-size:3.5rem;color:#fff;transition:all var(--transition-normal);position:relative;overflow:hidden}#kb-categories .tech-tile-icon::before{content:'';position:absolute;width:120%;height:120%;top:-10%;left:-10%;background-color:rgba(255,255,255,.1);transform:rotate(45deg) translateX(-100%);transition:transform var(--transition-slow)}#kb-categories .tech-tile:hover .tech-tile-icon::before{transform:rotate(45deg) translateX(100%)}#kb-categories .tech-tile-content{padding:var(--spacing-lg);flex:1;display:flex;flex-direction:column;position:relative}#kb-categories .tech-tile-content h3{font-size:1.3rem;transition:color .3s}#kb-categories .tech-tile:hover .tech-tile-content h3{color:var(--primary-color)}#kb-categories .tech-tile-content p{color:var(--text-light);line-height:1.6;margin-bottom:var(--spacing-md);font-size:.9rem;flex-grow:1}#kb-categories .tech-tile-badge{background-color:rgba(0,0,0,.05);color:var(--text-muted);padding:4px 12px;border-radius:var(--border-radius-full);font-size:.8rem;font-weight:500;transition:all var(--transition-normal);align-self:flex-start}#kb-categories .tech-tile:hover .tech-tile-badge{background-color:var(--primary-color);color:#fff}body.dark-mode #kb-categories .tech-tile{background-color:var(--dark-bg,var(--dark-card));border-color:var(--dark-border)}body.dark-mode #kb-categories .tech-tile-content p{color:rgba(255,255,255,.6)}body.dark-mode #kb-categories .tech-tile-badge{background-color:rgba(255,255,255,.05);color:rgba(255,255,255,.7)}body.dark-mode #kb-categories .tech-tile:hover .tech-tile-badge{background-color:var(--primary-light);color:var(--dark-background)}@media (max-width:768px){#kb-categories .tech-tiles-grid{grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}.email-config-grid{grid-template-columns:1fr}.config-row{flex-direction:column;align-items:flex-start;gap:var(--spacing-xs)}.config-value{text-align:left}.status-item{flex-direction:column;align-items:flex-start;gap:var(--spacing-xs)}.status-value{align-self:flex-start}}@media (max-width:480px){#kb-categories .tech-tiles-grid{grid-template-columns:1fr}}.contact-support-section{position:relative;color:var(--color-white);background-color:var(--color-primary);padding:50px 0}.contact-option,[data-theme=dark] .config-value code{background:rgba(255,255,255,.1)}.cta-title{font-size:2rem;font-weight:700;margin-bottom:1rem}.cta-subtitle{font-size:1.1rem;margin-bottom:2rem;max-width:800px;margin-left:auto;margin-right:auto}.contact-options{display:flex;flex-wrap:wrap;justify-content:center;gap:30px;max-width:1200px;margin:0 auto}.contact-option{border-radius:10px;padding:25px;flex:1;min-width:280px;max-width:350px;text-align:center;transition:.3s}.contact-option:hover{transform:translateY(-5px);background:rgba(255,255,255,.2)}.contact-icon{width:70px;height:70px;border-radius:50%;background:rgba(255,255,255,.2);color:var(--color-white);display:flex;align-items:center;justify-content:center;font-size:1.8rem;margin:0 auto 20px}.contact-option h3{font-size:1.3rem;font-weight:600;margin-bottom:10px}.contact-option p{font-size:1rem;margin-bottom:20px;opacity:.8}@media (max-width:992px){.help-center-header h1{font-size:2.2rem}.cta-title{font-size:1.8rem}.email-config-grid{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}}@media (max-width:768px){.help-center-header{padding:40px 0}.help-center-header h1{font-size:1.8rem}.help-center-header p{font-size:1rem}.kb-categories-grid,.quick-tools-grid{grid-template-columns:1fr}.tool-form{flex-direction:column}.tool-form select{max-width:100%}.contact-option{min-width:100%}}[data-theme=dark] .category-card,[data-theme=dark] .config-block,[data-theme=dark] .tool-card{background:var(--color-bg-dark);border-color:var(--color-border-dark)}[data-theme=dark] .diagnostic-tools-section,[data-theme=dark] .email-configuration,[data-theme=dark] .tool-output,[data-theme=dark] .tool-result{background:var(--color-bg-dark-secondary)}[data-theme=dark] .email-config-notes{background:var(--color-bg-dark)}[data-theme=dark] .category-arrow{background:var(--color-bg-dark-secondary)}[data-theme=dark] .help-search-input{background:var(--color-bg-dark);color:var(--color-white)}