.signature-list{display:grid;gap:16px}.signature-card{padding:20px}.signature-card .buttons{flex-wrap:wrap;margin-top:12px}.signature-card h2{margin:0 0 12px}.email-preview{display:block;background:white;border:1px solid var(--border,#e2e6ee);border-radius:8px;width:100%;height:180px;margin:12px 0}.email-source{font-family:monospace;min-height:220px;resize:vertical;width:100%;box-sizing:border-box}.signature-toolbar{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-bottom:20px}.signature-toolbar select{min-width:220px}.signature-help{max-width:720px;margin:40px auto;padding:24px}.signature-help li{margin:16px 0}.signature-create{position:fixed;right:28px;bottom:28px;z-index:5}