.tool-main { max-width: 760px; }

.tool-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: #111118;
  border: 1px solid #2a2a35;
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 20px;
}

.tool-form-row { display: flex; gap: 8px; flex-wrap: wrap; }

.tool-input {
  flex: 1;
  min-width: 160px;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 15px;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid #333;
  background: #1b1b21;
  color: #e0e0e0;
}

.tool-input:focus { outline: 2px solid #7ec8e3; outline-offset: -1px; }

.tool-submit {
  font-weight: 600;
  font-size: 14px;
  padding: 10px 18px;
  border-radius: 8px;
  border: none;
  background: #7ec8e3;
  color: #0d0f13;
  cursor: pointer;
}

.tool-submit:disabled { opacity: 0.6; cursor: default; }

.advanced-toggle {
  align-self: flex-start;
  font-size: 12.5px;
  color: #999;
  background: none;
  border: none;
  cursor: pointer;
  padding: 2px 0;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.advanced-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.advanced-label { font-size: 12.5px; color: #999; }

.selector-input {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 13px;
  padding: 7px 9px;
  border-radius: 6px;
  border: 1px solid #333;
  background: #1b1b21;
  color: #e0e0e0;
  flex: 1;
  min-width: 140px;
}

.error-box {
  font-size: 13.5px;
  color: #f0685f;
  background: #2c1613;
  border-radius: 8px;
  padding: 10px 12px;
  margin-bottom: 16px;
}

.card {
  background: #111118;
  border: 1px solid #2a2a35;
  border-radius: 12px;
  padding: 14px 16px;
  margin-bottom: 12px;
}

.card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}

.card-title-group { display: flex; flex-direction: column; gap: 2px; }
.card-title { font-size: 15px; font-weight: 700; color: #fff; }
.card-subtitle { font-size: 11.5px; color: #777; }

.badge {
  font-size: 11px;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 100px;
  white-space: nowrap;
  flex: none;
}

.badge-good { color: #4ade9a; background: #0f261c; }
.badge-warn { color: #f5a94e; background: #2b2011; }
.badge-bad { color: #f0685f; background: #2c1613; }
.badge-neutral { color: #999; background: #1a1e26; }

.record-box {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 12.5px;
  line-height: 1.6;
  background: #1a1e26;
  border-radius: 8px;
  padding: 10px 12px;
  overflow-x: auto;
  word-break: break-all;
  white-space: pre-wrap;
  color: #ccc;
}

.record-box-wrap { display: flex; align-items: flex-start; gap: 6px; }
.record-box-wrap .record-box { flex: 1; margin: 0; }

.copy-btn {
  flex: none;
  font-size: 11px;
  font-family: inherit;
  padding: 4px 9px;
  border-radius: 6px;
  border: 1px solid #333;
  background: #1a1e26;
  color: #999;
  cursor: pointer;
  align-self: flex-start;
}
.copy-btn:hover { border-color: #555; color: #ccc; }

.info-bar {
  font-size: 12px;
  line-height: 1.5;
  padding: 7px 10px;
  border-radius: 6px;
  margin-top: 8px;
}
.info-bar-good { color: #4ade9a; background: #0f261c; }
.info-bar-warn { color: #f5a94e; background: #2b2011; }
.info-bar-bad { color: #f0685f; background: #2c1613; }
.info-bar-neutral { color: #999; background: #1a1e26; }

.spf-node { display: flex; flex-direction: column; gap: 8px; }
.spf-node-error, .spf-node-warn {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 12px;
  padding: 8px 10px;
  border-radius: 6px;
}
.spf-node-error { color: #f0685f; background: #2c1613; }
.spf-node-warn { color: #f5a94e; background: #2b2011; }

.ip-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.ip-chip {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 100px;
  background: #1a1e26;
  color: #7ec8e3;
  border: 1px solid #2a2a35;
}

.spf-include-row { margin-left: 4px; border-left: 2px solid #2a2a35; padding-left: 12px; }
.spf-include-toggle {
  display: block;
  width: 100%;
  text-align: left;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 12px;
  color: #7ec8e3;
  background: #161a22;
  border: 1px solid #2a2a35;
  border-radius: 6px;
  padding: 7px 10px;
  cursor: pointer;
}
.spf-include-toggle:hover { border-color: #444; }
.spf-include-child { margin-top: 8px; padding-left: 4px; }

.mx-table { width: 100%; border-collapse: collapse; font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 12.5px; color: #ccc; }
.mx-table td { padding: 5px 8px; border-top: 1px solid #2a2a35; }
.mx-table tr:first-child td { border-top: none; }
.mx-priority { color: #777; width: 1%; white-space: nowrap; }

.dkim-list { display: flex; flex-direction: column; gap: 8px; }
.dkim-hit { background: #1a1e26; border-radius: 8px; padding: 8px 10px; }
.dkim-hit .spf-include-toggle { background: #161a22; }

.whois-grid { display: grid; grid-template-columns: auto 1fr; gap: 5px 14px; font-size: 13px; margin-bottom: 8px; color: #ccc; }
.whois-label { color: #777; font-size: 12px; white-space: nowrap; }
.whois-value { font-family: ui-monospace, "SF Mono", Menlo, monospace; word-break: break-word; }

.raw-toggle { font-size: 12.5px; color: #7ec8e3; background: none; border: none; cursor: pointer; padding: 4px 0; }
.raw-box {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 11px;
  line-height: 1.5;
  background: #1a1e26;
  border-radius: 8px;
  padding: 10px 12px;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 340px;
  margin-top: 8px;
  color: #aaa;
}

.empty { font-size: 13px; color: #888; }

.static-note {
  font-size: 12px;
  color: #666;
  line-height: 1.6;
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid #222;
}

@media (max-width: 480px) {
  .tool-form-row { flex-direction: column; }
  .whois-grid { grid-template-columns: 1fr; }
}