.subtitle { font-size: 12px; color: var(--ink-light); font-weight: 300; letter-spacing: 0.1em; border-left: 2px solid var(--accent); padding-left: 10px; }
.panel-header { padding:10px 16px; border-bottom:1px solid var(--border); background:var(--bg); display:flex; justify-content:space-between; align-items:center; gap:12px; }
    .panel-label { font-size:10px; letter-spacing:.2em; color:var(--ink-light); text-transform:uppercase; }
    .panel-body { padding:18px; }
.hidden { display:none !important; }
    @media (max-width:900px) {
}
  
/* ── Readable input fields ── */
.password-output-input {
  width: 100%;
  background: #fff;
  color: var(--ink);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: 0.03em;
  padding: 18px 20px;
  border-radius: 6px;
  border: 1px solid var(--border);
  font-family: Consolas, "Courier New", monospace;
}
.readable-number-input {
  width: 100%;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-size: 13px;
  font-weight: 400;
  padding: 10px 12px;
  border-radius: 6px;
  outline: none;
  box-sizing: border-box;
}
.readable-number-input:focus {
  border-color: var(--blue);
  background: #fff;
}
.copy-tool-btn {
  min-width: 86px;
  height: 34px;
  padding: 0 12px;
  border: none;
  border-radius: 6px;
  background: var(--blue);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  cursor: pointer;
}
.copy-tool-btn:hover { background: var(--blue-hover); }
.copy-tool-btn.copied { background: #3A7D44; }



.notice.tool-description{
  display:flex;
  align-items:flex-start;
  gap:12px;
  background:#EFF6FF;
  border:1px solid #BFDBFE;
  border-left:3px solid var(--blue);
  border-radius:6px;
  padding:12px 16px;
  margin:0 0 18px;
  color:var(--ink-mid);
  font-size:12.5px;
  font-weight:400;
  line-height:1.75;
}
.notice.tool-description strong{
  font-weight:700;
  color:var(--ink);
}