.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}.mode-toggle-bar{display:flex;justify-content:center;margin-bottom:24px}.mode-toggle{display:inline-flex;padding:4px;background:var(--color-surface-container);border-radius:var(--radius-xl);gap:4px}.mode-toggle .mode-toggle-btn{padding:8px 24px;border-radius:999px;font-size:14px;font-weight:500;border:none;background:transparent;color:var(--color-secondary);cursor:pointer;transition:all var(--transition-fast);font-family:var(--font-body)}.mode-toggle .mode-toggle-btn.active{background:var(--color-primary);color:var(--color-on-primary)}.mode-toggle .mode-toggle-btn:hover:not(.active){background:var(--color-surface-container-high)}.controls-bar{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;padding:16px 0}.controls-bar .ctrl-btn{display:flex;align-items:center;gap:8px;padding:12px 32px;border-radius:999px;font-weight:700;font-size:15px;cursor:pointer;transition:all var(--transition-fast);font-family:var(--font-body);border:none}.controls-bar .ctrl-btn.primary{background:var(--color-primary);color:var(--color-on-primary);box-shadow:var(--shadow-lg)}.controls-bar .ctrl-btn.primary:hover{opacity:.9;transform:scale(.97)}.controls-bar .ctrl-btn.secondary{background:var(--color-surface-container-highest);color:var(--color-on-surface);border:1px solid var(--color-outline-variant)}.controls-bar .ctrl-btn.secondary:hover{background:var(--color-surface-variant);transform:scale(.97)}html.dark .controls-bar .ctrl-btn.secondary{background:var(--color-surface-container)}html.dark .controls-bar .ctrl-btn.secondary:hover{background:var(--color-surface-bright)}.email-input-block{margin-bottom:24px}#email-single{width:100%;padding:16px;border:1px solid var(--color-border-subtle);border-radius:var(--radius-xl);font-family:var(--font-code);font-size:var(--text-title-md);background:var(--color-surface-container-lowest);color:var(--color-on-surface);outline:none}#email-single:focus{border-color:var(--color-primary)}#email-bulk{width:100%;min-height:200px;padding:16px;border:1px solid var(--color-border-subtle);border-radius:var(--radius-xl);resize:vertical;outline:none;font-family:var(--font-code);font-size:var(--text-label-md);line-height:var(--text-label-md-line);background:var(--color-surface-container-lowest);color:var(--color-on-surface)}#email-bulk:focus{border-color:var(--color-primary)}.email-result-container{margin-top:8px}.email-result-container .placeholder{color:var(--color-outline-variant);font-style:italic;padding:24px;text-align:center;font-size:14px}.email-valid-card,.email-invalid-card{border:1px solid var(--color-border-subtle);border-radius:var(--radius-xl);padding:24px;background:var(--color-surface-container-lowest);text-align:center;margin-bottom:16px}.email-status-icon{font-size:32px;margin-bottom:8px}.email-status-text{font-size:var(--text-title-md);font-weight:600;margin-bottom:12px}.email-address-display{font-family:var(--font-code);font-size:20px;color:var(--color-on-surface);word-break:break-all;margin-bottom:16px}.email-parts{display:flex;gap:16px;justify-content:center;margin-top:16px}.email-part{text-align:center}.email-part-label{display:block;font-size:12px;color:var(--color-outline-variant);margin-bottom:4px;text-transform:uppercase;letter-spacing:.05em}html.dark .email-part-label{color:#fff}.email-part code{font-family:var(--font-code);font-size:16px;background:var(--color-surface-container);padding:4px 12px;border-radius:var(--radius-lg)}.email-error-reason{color:var(--color-error);font-size:14px;margin-top:12px;padding:8px 16px;background:#dc26260f;border-radius:var(--radius-lg);display:inline-block}.email-stats-bar{display:flex;gap:16px;justify-content:center;margin-bottom:20px}.email-stat{text-align:center;padding:12px 24px;background:var(--color-surface-container-lowest);border:1px solid var(--color-border-subtle);border-radius:var(--radius-lg)}.email-stat.valid{border-color:var(--color-success)}.email-stat.invalid{border-color:var(--color-error)}.email-stat-num{display:block;font-size:24px;font-weight:700;font-family:var(--font-headline);color:var(--color-on-surface)}.email-stat-label{display:block;font-size:12px;margin-top:2px;text-transform:uppercase;letter-spacing:.05em}.email-bulk-table-wrapper{overflow-x:auto}.match-table{width:100%;border-collapse:collapse;font-size:13px}.match-table th{text-align:left;padding:10px 14px;background:var(--color-surface-container);color:var(--color-on-surface);font-weight:600;border-bottom:1px solid var(--color-border-subtle)}.match-table td{padding:10px 14px;border-bottom:1px solid var(--color-border-subtle);color:#000}.match-table code{font-family:var(--font-code);font-size:13px;background:var(--color-surface-container);padding:2px 6px;border-radius:4px}html.dark .match-table code{color:var(--color-on-surface);background:var(--color-surface-container-highest);border:1px solid var(--color-outline-variant)}.email-status-valid{color:var(--color-success)!important;font-weight:600}.email-status-invalid{color:var(--color-error)!important;font-weight:600}.email-reason-cell{max-width:280px;word-break:break-word}#result-message{margin-top:16px;padding:12px 24px;border-radius:var(--radius-lg);font-size:14px;font-weight:600;text-align:center;display:none}#result-message.success{display:block;background:#0596691a;color:var(--color-success);border:1px solid var(--color-success)}#result-message.error{display:block;background:#dc26261a;color:var(--color-error);border:1px solid var(--color-error)}.toast{position:fixed;bottom:32px;left:50%;transform:translate(-50%) translateY(20px);z-index:99999;padding:10px 24px;border-radius:999px;font-size:14px;font-weight:500;color:#fff;background:#1e293b;box-shadow:0 8px 32px #0000004d;opacity:0;transition:all .2s;pointer-events:none}.toast.show{opacity:1;transform:translate(-50%) translateY(0)}html.dark .toast{background:var(--color-surface-container-highest)}.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}.hidden{display:none!important}@media (max-width: 768px){.tool-hero{padding:40px 16px 24px}.tool-hero h1{font-size:32px;line-height:40px}.controls-bar .ctrl-btn{padding:10px 20px;font-size:14px}.feat-grid{grid-template-columns:1fr}.email-stats-bar{flex-wrap:wrap}}