.main-bottom-pad{padding-bottom:64px}.tool-hero{text-align:center;padding:64px 20px 32px}.tool-hero h1{font-family:var(--font-headline);font-size:var(--text-headline-xl);font-weight:700;line-height:var(--text-headline-xl-line);letter-spacing:-.02em;color:var(--color-on-background);margin:0 0 16px}.tool-hero .hero-sub{font-size:var(--text-body-lg);line-height:var(--text-body-lg-line);color:var(--color-secondary);max-width:42rem;margin:0 auto 32px}html.dark .tool-container h2,p{color:#000}.tool-section{padding:24px 0}.uuid-controls{display:flex;flex-direction:column;gap:20px;margin-bottom:20px}.control-group label{font-size:14px;font-weight:500;margin-bottom:8px;display:block}html.dark .control-group label{color:#000}html.dark .uuid-list{background:var(--color-surface-container-high);border-color:var(--color-outline-variant)}html.dark .uuid-item{background:var(--color-surface-container-low);border-color:var(--color-outline-variant);color:var(--color-on-surface)}html.dark .copy-uuid-btn{background:var(--color-primary);color:#fff}.control-group .info-icon{font-size:14px;cursor:help}.radio-group{display:flex;flex-wrap:wrap;gap:12px}.radio-label{display:flex;align-items:center;gap:6px;cursor:pointer;font-size:14px;color:var(--color-on-surface)}.radio-label input[type=radio]{accent-color:var(--color-primary)}.quantity-control{display:flex;align-items:center;gap:8px}.quantity-control .input-number{width:64px;padding:6px 8px;border:1px solid var(--color-border-subtle);border-radius:var(--radius-lg);text-align:center;font-family:var(--font-code);font-size:14px;background:var(--color-surface-container-lowest);color:var(--color-on-surface)}.quick-qty-buttons{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}.quick-qty-buttons .btn{padding:4px 12px;font-size:12px}.warning-message{margin-top:8px;padding:8px 12px;background:var(--color-warning-container);border-radius:var(--radius-lg);font-size:13px;color:var(--color-on-warning-container)}.format-select{padding:6px 12px;border:1px solid var(--color-border-subtle);border-radius:var(--radius-lg);font-size:14px;background:var(--color-surface-container-lowest);color:var(--color-on-surface);font-family:var(--font-body)}.controls{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}.uuid-stats{font-size:13px;color:var(--color-on-surface-variant);margin-bottom:12px;padding:8px 16px;background:var(--color-surface-container-low);border-radius:var(--radius-lg)}.uuid-structure{padding:16px;background:var(--color-surface-container-low);border:1px solid var(--color-border-subtle);border-radius:var(--radius-xl);margin-bottom:16px}.uuid-structure .structure-title{font-size:14px;font-weight:600;margin:0 0 8px;color:var(--color-on-surface)}.uuid-structure .structure-code{font-family:var(--font-code);font-size:18px;font-weight:600;color:var(--color-primary);display:block;margin-bottom:8px;word-break:break-all}.uuid-structure .structure-labels{display:flex;gap:16px;font-size:12px;color:var(--color-outline);flex-wrap:wrap}.uuid-structure .structure-note{font-size:12px;color:var(--color-on-surface-variant);margin:8px 0 0}.uuid-list{padding:12px 16px;background:var(--color-surface-container-lowest);border:1px solid var(--color-border-subtle);border-radius:var(--radius-xl);min-height:60px;display:flex;flex-direction:column;gap:6px}.uuid-list.empty{color:var(--color-outline);display:flex;align-items:center;justify-content:center}.uuid-item{display:flex;align-items:center;gap:8px;padding:6px 10px;background:var(--color-surface-container-low);border:1px solid transparent;border-radius:var(--radius-lg);transition:border-color var(--transition-fast)}.uuid-item:hover{border-color:var(--color-border-subtle)}.uuid-index{flex-shrink:0;min-width:32px;font-size:12px;color:var(--color-outline);text-align:right;font-family:var(--font-code)}.uuid-text{flex:1;font-family:var(--font-code);font-size:14px;color:var(--color-on-surface);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.copy-uuid-btn{flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;padding:0;border:none;background:transparent;color:var(--color-outline);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast)}.copy-uuid-btn:hover{background:var(--color-surface-container-high);color:var(--color-primary)}.warning-message{margin-top:8px;padding:8px 12px;background:var(--color-warning-container);border-radius:var(--radius-lg);font-size:13px;color:#f59e0b}.validator-input-group{display:flex;gap:8px;margin-bottom:16px}.validator-input-group .input-text{flex:1;padding:10px 14px;border:1px solid var(--color-border-subtle);border-radius:var(--radius-xl);font-family:var(--font-code);font-size:14px;background:var(--color-surface-container-lowest);color:var(--color-on-surface)}.validate-result{padding:16px;background:var(--color-surface-container-low);border:1px solid var(--color-border-subtle);border-radius:var(--radius-xl);font-size:14px;line-height:1.7}html.dark .validate-result p{color:#fff}html.dark .validation-error{color:var(--color-error)}.history-container{padding:16px;font-size:14px;color:var(--color-on-surface-variant);min-height:40px}.history-container .empty-history{color:var(--color-outline);margin:0}#result-message{position:fixed;bottom:24px;left:50%;transform:translate(-50%);z-index:9999;padding:12px 32px;border-radius:999px;font-size:14px;font-weight:600;box-shadow:var(--shadow-lg);opacity:0;transition:opacity .3s ease,transform .3s ease;pointer-events:none;white-space:nowrap;font-family:var(--font-body)}#result-message.show{opacity:1;transform:translate(-50%) translateY(0)}#result-message.success{color:var(--color-on-primary);background:var(--color-success)}#result-message.error{color:#fff;background:var(--color-error)}.feat-section{padding:64px 0}.feat-section .feat-heading{font-family:var(--font-headline);font-size:var(--text-headline-lg);font-weight:600;text-align:center;margin:0 0 48px;color:var(--color-on-surface)}.feat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--spacing-gutter)}@media (max-width: 1024px){.feat-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width: 480px){.feat-grid{grid-template-columns:1fr}}.feat-card{padding:32px;background:var(--color-surface-container-lowest);border:1px solid var(--color-border-subtle);border-radius:var(--radius-xl);transition:all var(--transition-normal)}.feat-card:hover{box-shadow:var(--shadow-md);border-color:var(--color-primary)}.feat-card .feat-icon{width:48px;height:48px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin-bottom:24px}.feat-card .feat-icon.feat-primary{background:var(--color-primary-fixed);color:var(--color-primary)}.feat-card .feat-icon.feat-tertiary{background:var(--color-tertiary-fixed);color:var(--color-tertiary)}.feat-card .feat-icon.feat-secondary{background:var(--color-secondary-fixed);color:var(--color-on-secondary-fixed)}.feat-card .feat-icon.feat-error{background:var(--color-error-container);color:var(--color-on-error-container)}.feat-card h3{font-family:var(--font-headline);font-size:var(--text-title-md);font-weight:600;line-height:var(--text-title-md-line);margin:0 0 12px;color:var(--color-on-surface)}.feat-card p{font-size:var(--text-body-md);color:var(--color-on-surface-variant);margin:0;line-height:var(--text-body-md-line)}.faq-section-v3{padding:80px 0}.faq-section-v3 h2{font-family:var(--font-headline);font-size:var(--text-headline-lg);font-weight:600;line-height:var(--text-headline-lg-line);letter-spacing:-.01em;color:var(--color-on-surface);margin:0 0 48px}.faq-section-v3 .faq-cat-title{font-family:var(--font-headline);font-size:var(--text-title-md);font-weight:600;color:var(--color-on-surface);margin:32px 0 16px}.faq-section-v3 details{border:1px solid var(--color-border-subtle);border-radius:var(--radius-xl);overflow:hidden;background:var(--color-surface-container-low);margin-bottom:8px}.faq-section-v3 details summary{display:flex;justify-content:space-between;align-items:center;padding:20px 24px;cursor:pointer;font-family:var(--font-headline);font-size:var(--text-title-md);font-weight:600;color:var(--color-on-surface);list-style:none}.faq-section-v3 details summary::-webkit-details-marker{display:none}.faq-section-v3 details summary .mat-icon{transition:transform var(--transition-normal);color:var(--color-outline)}.faq-section-v3 details[open] summary .mat-icon{transform:rotate(180deg)}.faq-section-v3 details .det-content{padding:0 24px 24px;color:var(--color-on-surface-variant);font-size:var(--text-body-md);line-height:var(--text-body-md-line);border-top:1px solid var(--color-border-subtle);margin:0 24px}.faq-section-v3 details .det-content pre{background:var(--color-code-bg);color:#fff;padding:12px 16px;border-radius:var(--radius-lg);font-family:var(--font-code);font-size:var(--text-code-sm);line-height:1.5;overflow-x:auto;margin:8px 0;white-space:pre-wrap}@media (max-width: 768px){.tool-hero{padding:40px 16px 24px}.tool-hero h1{font-size:32px;line-height:40px}.feat-grid{grid-template-columns:1fr}}