.email-signature-settings{max-width:900px}.email-signature-settings h2{font-size:22px}.email-signature-settings p,.email-signature-settings small{font-size:12px;line-height:1.6;color:#657083}.email-signature-settings label{display:block;font-size:12px;font-weight:600;margin:15px 0 8px}#signature-paste-editor{min-height:190px;max-height:500px;overflow:auto;border:1px solid #cbd1dc;border-radius:9px;background:#fff;padding:18px;color:#111;font:14px Arial,sans-serif}#signature-paste-editor:empty:before{content:'Paste your formatted email signature here';color:#89909e;pointer-events:none}#signature-paste-editor img{max-width:100%}.signature-editor-actions{display:flex;gap:8px;margin:14px 0}#signature-html-source{width:100%;box-sizing:border-box;font:12px/1.5 monospace;border:1px solid #cbd1dc;border-radius:8px;padding:12px}#signature-settings-preview{width:100%;height:420px;border:1px solid #e1e4ea;border-radius:9px;background:white}.email-signature-settings details{margin:18px 0;font-size:12px}.email-signature-settings summary{cursor:pointer}