/* 密碼產生器 */
.tool { display: flex; flex-direction: column; gap: 18px; }
.lead { margin: 0; text-align: center; color: var(--muted); }
.mono { font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; }
.pw-out { position: relative; }
.pw-value {
  width: 100%; font-size: 1.5rem; min-height: 3.6rem; padding: 8px 16px; text-align: center;
  border: 2px solid var(--accent); border-radius: 12px; background: var(--panel); color: var(--ink);
}
.pw-copied {
  position: absolute; right: 12px; top: 50%; transform: translateY(-50%); padding: 2px 10px; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent); font-weight: 700; font-size: .875rem; opacity: 0; transition: opacity .2s;
}
.pw-copied.show { opacity: 1; }
.pw-options { display: flex; flex-direction: column; gap: 10px; padding: 16px; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; }
.pw-len { display: flex; align-items: center; gap: 8px; font-weight: 700; }
.pw-len input { width: 6rem; font: inherit; font-size: 1.125rem; padding: 6px 10px; border: 2px solid var(--accent); border-radius: 8px; }
.check { display: flex; align-items: center; gap: 10px; min-height: 36px; cursor: pointer; }
.check input { width: 20px; height: 20px; accent-color: var(--accent); }
.notes { margin: 0; padding-left: 1.25rem; color: var(--muted); }
.center { text-align: center; }