:root{--font-sans:system-ui, sans-serif;--text-xs:12px;--text-sm:13px;--text-base:14px;--text-lg:1.1rem;--text-xl:2rem;--text-xxs:.7rem;--space-0-5:2px;--space-1:4px;--space-2:6px;--space-3:8px;--space-4:10px;--space-5:12px;--space-6:16px;--space-7:20px;--space-8:24px;--space-9:32px;--space-10:48px;--space-11:56px;--radius-sm:4px;--radius-md:6px;--radius-lg:8px;--radius-xl:18px;--radius-pill:999px;--shadow-sm:0 2px 12px #0002;--shadow-lg:0 20px 50px #0f172a14;--color-bg:#f8fafc;--color-bg-strong:#f1f5f9;--color-surface:#fff;--color-surface-muted:#f4f4f4;--color-surface-alt:#fafafa;--color-surface-hover:#f2f2f2;--color-surface-nav:#f8f9fa;--color-surface-info:#ecfeff;--color-border:#e2e8f0;--color-border-light:#e5e7eb;--color-border-strong:#d1d5db;--color-border-muted:#ddd;--color-border-subtle:#eee;--color-border-input:#cbd5e1;--color-border-accent:#cbd5f5;--color-border-active:#94a3b8;--color-border-info:#bae6fd;--color-border-warning:#fcd34d;--color-border-danger:#fecaca;--color-border-success:#86efac;--color-text:#1f2937;--color-text-strong:#0f172a;--color-text-secondary:#1e293b;--color-text-muted:#475569;--color-text-muted-alt:#64748b;--color-text-subtle:#6b7280;--color-text-kicker:#374151;--color-text-disabled:#888;--color-text-summary:#555;--color-accent:#0f172a;--color-accent-contrast:#f8fafc;--color-accent-soft:#e2e8f0;--color-accent-strong:#111827;--color-accent-strong-contrast:#f9fafb;--color-info-bg:#dbeafe;--color-info-soft:#e0f2fe;--color-info-text:#1d4ed8;--color-info-muted-text:#0e7490;--color-success-bg:#dcfce7;--color-success-text:#166534;--color-warning-bg:#fef3c7;--color-warning-text:#92400e;--color-danger-bg:#fee2e2;--color-danger-text:#7f1d1d;--color-danger-text-strong:#991b1b;--color-link-focus:#93c5fd;--color-row-hover:#f1f7ff;--color-login-grad-start:#f3f0ea;--color-login-grad-end:#f0f4f8;--color-skeleton-1:#f0f0f0;--color-skeleton-2:#e0e0e0;--control-height:1.5em;--control-padding:.2em 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var(--color-accent-strong);border-radius:var(--radius-sm);background:var(--color-accent-strong);color:var(--color-accent-strong-contrast);font-size:var(--text-xs);flex:none;font-weight:600}button,.ui-button,.ui-button-link,.primary-action,.ghost-button,.ghost-link-button,.actions-menu-trigger{box-sizing:border-box;justify-content:center;align-items:center;gap:var(--space-2);min-height:var(--control-height);padding:var(--control-padding);border-radius:var(--control-radius);border:1px solid var(--color-border-accent);background-color:var(--color-accent-soft);color:var(--color-text-secondary);cursor:pointer;font:inherit;text-align:center;white-space:nowrap;line-height:1.2;text-decoration:none;display:inline-flex}.ui-button--ghost{background:0 0}.ui-button--primary{border-color:var(--color-accent-strong);background:var(--color-accent-strong);color:var(--color-accent-strong-contrast)}.ui-button--danger{border-color:var(--color-border-danger);background:var(--color-danger-bg);color:var(--color-danger-text-strong)}button:disabled{opacity:.6;cursor:not-allowed}table{border-collapse:collapse;width:100%;margin-bottom:var(--space-8);min-width:960px}th,td{padding:var(--space-3) var(--space-5);border:1px solid var(--color-border-muted);text-align:left}th{background-color:var(--color-surface-muted);font-weight:700}thead th{z-index:1;position:sticky;top:0}tr:nth-child(2n){background-color:var(--color-surface-alt)}tr:hover{background-color:var(--color-row-hover)}.control{padding:var(--control-padding);border:1px solid 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a{text-overflow:ellipsis;white-space:nowrap;display:block;overflow:hidden}.tags-cell{gap:var(--space-2);flex-wrap:wrap}.skeleton-cell{border-radius:var(--radius-sm);background:linear-gradient(90deg, var(--color-skeleton-1) 25%, var(--color-skeleton-2) 50%, var(--color-skeleton-1) 75%);background-size:200% 100%;min-height:1.2em;animation:1.2s linear infinite skeleton-pulse}.design-system-page{max-width:1280px}.ds-layout{gap:var(--space-9);flex-direction:column;display:flex}.ds-intro{max-width:72ch}.ds-intro h2{color:var(--color-text-strong);margin:0;font-size:2rem;line-height:1.1}.ds-intro p:last-child{color:var(--color-text-muted);line-height:1.6}.ds-section{gap:var(--space-5);display:grid}.ds-section-header{justify-content:space-between;align-items:flex-end;gap:var(--space-6);padding-bottom:var(--space-3);border-bottom:1px solid var(--color-border);display:flex}.ds-section-header h2,.ds-card h3{color:var(--color-text-strong);margin:0}.ds-section-header p{color:var(--color-text-muted);margin:0}.ds-grid{gap:var(--space-5);grid-template-columns:repeat(3,minmax(0,1fr));display:grid}.ds-card{gap:var(--space-5);padding:var(--space-6);border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-surface);flex-direction:column;display:flex}.ds-swatch-list,.ds-token-list{gap:var(--space-2);flex-direction:column;display:flex}.ds-swatch{align-items:center;gap:var(--space-3);display:flex}.ds-swatch span{border:1px solid var(--color-border-strong);border-radius:var(--radius-md);width:28px;height:28px}.ds-swatch-bg{background:var(--color-bg)}.ds-swatch-surface{background:var(--color-surface)}.ds-swatch-accent{background:var(--color-accent)}.ds-swatch-info{background:var(--color-info-bg)}.ds-swatch-success{background:var(--color-success-bg)}.ds-swatch-warning{background:var(--color-warning-bg)}.ds-swatch-danger{background:var(--color-danger-bg)}.ds-token-list code{width:fit-content;padding:var(--space-1) var(--space-3);border:1px solid var(--color-border-light);border-radius:var(--radius-md);background:var(--color-bg)}.ds-inline{align-items:center;gap:var(--space-3);flex-wrap:wrap;display:flex}.ds-control-demo{padding-top:var(--space-2)}.ds-table-demo{max-height:none}.ds-rule-list{gap:var(--space-3);padding-left:var(--space-7);color:var(--color-text-secondary);margin:0;display:grid}@keyframes skeleton-pulse{0%{background-position:200% 0}to{background-position:-200% 0}}@media (width<=760px){.app-header,.ds-section-header,.section-grid{grid-template-columns:1fr;display:grid}.primary-action{width:100%}.page-heading{display:grid}.email-inspector__sponsor-switcher{align-items:flex-start}.email-inspector__sponsor-chip{max-width:100%}.email-inspector__workspace,.email-inspector__primary-actions,.email-inspector__selection-summary{grid-template-columns:1fr}.email-inspector__iframe{height:70vh;min-height:420px}.email-inspector__repair-pane{grid-template-rows:none;height:auto;min-height:0}.email-inspector__panel--preview:has(>.email-inspector__preview){grid-template-rows:none}.email-inspector__panel--preview .email-inspector__preview--compact{height:220px}.error-banner__row{flex-direction:column}.error-banner__actions{justify-content:flex-start}.ds-grid{grid-template-columns:1fr}}