.settings-shell { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 20px; align-items: start; }
.settings-tabs {
  position: sticky;
  top: 94px;
  display: grid;
  gap: 3px;
  padding: 8px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 10px 26px rgba(23, 32, 51, .04);
}
.settings-tab {
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 0 11px;
  border: 1px solid transparent;
  border-radius: 6px;
  background: transparent;
  color: #344054;
  cursor: pointer;
  text-align: left;
}
.settings-tab i { width: 18px; color: var(--primary); text-align: center; }
.settings-tab span { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.settings-tab:hover { background: #f8fafc; }
.settings-tab.active { background: #eef6ff; border-color: #b2ccff; color: var(--primary-dark); font-weight: 800; }
.settings-tab small { min-width: 24px; height: 24px; display: grid; place-items: center; border-radius: 999px; background: #f2f4f7; color: var(--muted); }
.settings-content { min-width: 0; }
.settings-group { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 10px 26px rgba(23, 32, 51, .04); }
.settings-group[hidden] { display: none; }
.settings-group-head { display: flex; justify-content: space-between; gap: 18px; padding: 20px; border-bottom: 1px solid var(--line); }
.settings-group-head h2 { margin: 0; font-size: 20px; }
.settings-group-head p { margin: 5px 0 0; color: var(--muted); font-size: 13px; }
.settings-list { display: grid; }
.setting-row { display: grid; grid-template-columns: minmax(230px, 1fr) minmax(260px, .8fr); gap: 22px; align-items: center; min-height: 78px; padding: 14px 20px; border-bottom: 1px solid var(--line); }
.setting-row:last-child { border-bottom: 0; }
.setting-copy { min-width: 0; display: grid; gap: 5px; }
.setting-copy strong { font-size: 14px; }
.setting-copy code { overflow: hidden; color: var(--muted); text-overflow: ellipsis; font-size: 11px; }
.setting-control { display: flex; align-items: center; justify-content: flex-end; gap: 8px; min-width: 0; }
.setting-control input:not([type="checkbox"]), .setting-control textarea { min-width: 0; padding: 8px 10px; }
.toggle-control { display: inline-flex; align-items: center; gap: 9px; cursor: pointer; }
.toggle-control input { position: absolute; opacity: 0; pointer-events: none; }
.toggle-control > span { position: relative; width: 42px; height: 24px; border-radius: 999px; background: #d0d5dd; transition: .18s ease; }
.toggle-control > span::after { content: ""; position: absolute; top: 3px; left: 3px; width: 18px; height: 18px; border-radius: 50%; background: #fff; box-shadow: 0 1px 3px rgba(16, 24, 40, .24); transition: .18s ease; }
.toggle-control input:checked + span { background: var(--green); }
.toggle-control input:checked + span::after { transform: translateX(18px); }
.toggle-control input:focus-visible + span { box-shadow: 0 0 0 3px rgba(23, 92, 211, .16); }
.toggle-control input:disabled + span { opacity: .55; cursor: not-allowed; }
.toggle-control em { min-width: 52px; color: var(--muted); font-style: normal; font-size: 12px; font-weight: 800; }
.maintenance-zone { border-top: 1px solid var(--line); padding: 20px; display: grid; gap: 16px; background: #fbfcfe; }
.maintenance-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.maintenance-head h3, .backup-list h3 { margin: 0; font-size: 16px; }
.maintenance-head p { margin: 5px 0 0; color: var(--muted); font-size: 13px; }
.maintenance-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.maintenance-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  padding: 14px;
  display: grid;
  gap: 10px;
  align-content: start;
}
.maintenance-card strong { color: #1d2939; }
.maintenance-card span { color: var(--muted); font-size: 13px; line-height: 1.45; }
.maintenance-card input { min-height: 38px; padding: 8px 10px; }
.maintenance-card .btn { justify-self: start; }
.danger-zone { border-color: #fecdca; background: #fffafa; }
.danger-zone .btn { border-color: #fecdca; color: var(--red); }
.backup-list { display: grid; gap: 8px; }
.backup-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 42px;
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
}
.backup-list a:hover { border-color: #b2ccff; background: #f8fbff; }
.backup-list span { font-weight: 800; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.backup-list small { color: var(--muted); white-space: nowrap; }