.siggen-wrap{font-family:Arial,Helvetica,sans-serif;max-width:1320px;margin:24px auto;padding:0 14px;color:#111}
.siggen-hero{margin-bottom:18px}
.siggen-brand{display:flex;gap:12px;align-items:center}
.siggen-logo{width:44px;height:44px;border-radius:14px;background:#111827;position:relative;box-shadow:0 8px 18px rgba(0,0,0,.14)}
.siggen-logo:after{content:"SG";position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:bold;font-size:16px;opacity:.92}
.siggen-h1{font-size:22px;font-weight:bold;line-height:1.1}
.siggen-sub{font-size:12px;color:#666;margin-top:2px}
.siggen-grid{display:grid;grid-template-columns:minmax(240px,25%) 1fr;gap:18px;align-items:start}
@media (max-width: 980px){.siggen-grid{grid-template-columns:1fr}}
@media (max-width: 720px){.siggen-preview-iframe{width:100%;min-width:0;max-width:100%}}
.siggen-panel{background:#fff;border:1px solid #e5e5e5;border-radius:14px;padding:16px;box-shadow:0 2px 10px rgba(0,0,0,.04)}
.siggen-seg{display:flex;gap:8px;margin-bottom:12px}
.siggen-seg-btn{flex:1;border:1px solid #e5e5e5;background:#f7f7f7;padding:10px 12px;border-radius:10px;cursor:pointer;font-weight:bold;font-size:13px}
.siggen-seg-btn.is-active{background:#111827;color:#fff;border-color:#111827}
.siggen-field{margin-top:12px}
.siggen-field label{display:block;font-weight:bold;margin-bottom:6px}
.siggen-field select,.siggen-field input{width:100%;padding:10px 10px;border:1px solid #dcdcdc;border-radius:10px}
.siggen-field small{display:block;color:#666;margin-top:6px;font-size:12px}
.siggen-primary{margin-top:16px;padding:12px 16px;font-size:15px;font-weight:bold;color:#fff;background:linear-gradient(135deg,#111827,#374151);border:none;border-radius:12px;cursor:pointer;box-shadow:0 10px 20px rgba(0,0,0,.10)}
.siggen-h2{font-size:14px;font-weight:bold;margin-bottom:8px}
.siggen-preview{padding:12px;border:1px solid #e5e7eb;background:#fff;border-radius:12px;min-height:140px;overflow:hidden}
/* 1:1 email preview: do not scale, do not constrain below signature width */
.siggen-preview-iframe{display:block;width:640px;max-width:640px;min-width:640px;height:220px;border:0;background:#fff;border-radius:10px}
.siggen-copy{margin-top:10px;padding:10px 12px;border:1px solid #e5e5e5;background:#f7f7f7;border-radius:12px;cursor:pointer;font-weight:bold}
.siggen-copy:hover{background:#f1f1f1}
#siggenHtmlWith,#siggenHtmlWithout{width:100%;height:220px;margin-top:8px;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12px;border-radius:12px;border:1px solid #e5e5e5;padding:10px}
.siggen-notice{margin-top:12px;padding:10px;background:#faf7f2;border-left:4px solid #c6a36a;font-size:12px;border-radius:10px}
.siggen-foot{margin-top:16px;font-size:12px;color:#666;border-top:1px solid #e5e5e5;padding-top:12px;text-align:center}
.siggen-foot a{color:#111827;text-decoration:none;font-weight:bold}


/* === Manual input alignment === */
.siggen-manual,
.siggen-manual * {
  box-sizing: border-box;
}

.siggen-manual input,
.siggen-manual select {
  width: 100%;
  max-width: 100%;
}

/* === Header logo visibility === */
.siggen-header-logo {
  background: #ffffff;
  padding: 10px 14px;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.siggen-header-logo img {
  max-height: 28px;
  width: auto;
  display: block;
}


/* Phase A: box-model safety */
.siggen-wrap *{box-sizing:border-box;}


.siggen-copy--outlook{margin-left:8px;}

.siggen-outlook-copy{position:absolute;left:-99999px;top:-99999px;width:1px;height:1px;overflow:hidden;}