/* ═══════════════════════════════════════════════════════════
 * 帳號設定 system.html — 2026-05 大改版
 * 左 sidebar(220px)+ 右 main + sticky 儲存列
 * 範圍鎖在 #page-system 內
 *
 * 舊規則(.settings-tab / .settings-panel / .toggle-switch / .admin-only / 部分 modal)
 * 留著但用新 selector;舊版 partial 已被取代
 * ═══════════════════════════════════════════════════════════ */

/* legacy tab pills 仍保留(萬一 dwell/weather schedule CTA 觸發前資料不同步) */
.settings-tab { padding: 8px 16px; border-radius: 999px; background: var(--surface); border: 1px solid var(--line); color: var(--muted); font-weight: 600; font-size: 14px; cursor: pointer; }
.settings-tab.active { background: var(--ink); color: var(--ink-inverse); border-color: var(--ink); }
.settings-panel { display: none; }
.settings-panel.active { display: block; }
.role-non-admin .admin-only { display: none; }
.settings-input {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 9px 12px;
  font-size: 14px;
  color: var(--ink);
  font-family: inherit;
}
.settings-input:focus { outline: none; border-color: var(--ink); box-shadow: 0 0 0 3px rgba(20,20,20,0.06); }
[data-theme="dark"] .settings-input { color-scheme: dark; }
.settings-input::placeholder { color: var(--muted); }
.settings-input[disabled] { background: var(--surface-2); color: var(--muted); cursor: not-allowed; }

/* ═══════════════════════════════════════════════════════════
 * 2026-05 新版頂部
 * ═══════════════════════════════════════════════════════════ */
#page-system .settings-back {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: transparent;
  border: none;
  color: var(--muted);
  font: inherit;
  font-size: 14px;
  cursor: pointer;
  padding: 0;
  margin-bottom: 12px;
}
#page-system .settings-back:hover { color: var(--ink); }
#page-system .settings-h1 {
  font-size: 28px;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.02em;
  margin: 0 0 4px;
}
#page-system .settings-sub {
  font-size: 14px;
  color: var(--muted);
  margin: 0 0 22px;
}

/* ═══════════════════════════════════════════════════════════
 * Layout: sidebar + content
 * ═══════════════════════════════════════════════════════════ */
#page-system .settings-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 24px;
  align-items: start;
}
@media (max-width: 900px) {
  #page-system .settings-layout { grid-template-columns: 1fr; }
}

/* ── Sidebar ── */
#page-system .settings-sidebar {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px 14px;
  position: sticky;
  top: 96px;     /* topbar 56 + sub-tab-bar 40 */
  display: flex;
  flex-direction: column;
}
@media (max-width: 900px) {
  #page-system .settings-sidebar { position: static; }
}
#page-system .settings-sb-group {
  display: flex;
  flex-direction: column;
  margin-bottom: 14px;
}
#page-system .settings-sb-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 0.06em;
  padding: 6px 10px 4px;
}
#page-system .settings-sb-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 8px;
  background: transparent;
  border: 1px solid transparent;
  color: var(--ink-2);
  font: inherit;
  font-size: 14px;
  cursor: pointer;
  text-align: left;
  transition: background 0.12s, border-color 0.12s, color 0.12s;
}
#page-system .settings-sb-item:hover {
  background: var(--surface-2);
  color: var(--ink);
}
#page-system .settings-sb-item.active {
  background: rgba(239,68,68,0.06);
  border-color: rgba(239,68,68,0.30);
  color: var(--accent-red);
  font-weight: 700;
}
#page-system .settings-sb-item.active .settings-sb-icon { color: var(--accent-red); }
[data-theme="dark"] #page-system .settings-sb-item.active {
  background: rgba(240,68,56,0.10);
  border-color: rgba(240,68,56,0.30);
}
#page-system .settings-sb-item.danger {
  color: var(--accent-red);
  margin-top: 4px;
}
#page-system .settings-sb-item.danger:hover { background: rgba(239,68,68,0.10); }
#page-system .settings-sb-icon { color: var(--muted); flex-shrink: 0; }
#page-system .settings-sb-item:hover .settings-sb-icon { color: var(--ink-2); }
#page-system .settings-sb-divider {
  height: 1px;
  background: var(--line);
  margin: 8px 0;
}

/* ═══════════════════════════════════════════════════════════
 * Section / Cards
 * ═══════════════════════════════════════════════════════════ */
#page-system .settings-section { display: none; }
#page-system .settings-section.active { display: block; animation: settingsFade 0.16s ease; }
@keyframes settingsFade {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}
#page-system .settings-section-head { margin-bottom: 18px; }
#page-system .settings-section-title {
  font-size: 24px;
  font-weight: 800;
  color: var(--ink);
  margin: 0 0 4px;
}
#page-system .settings-section-sub {
  font-size: 14px;
  color: var(--muted);
  margin: 0;
}

#page-system .settings-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 20px 22px;
  margin-bottom: 18px;
}
#page-system .settings-card-title {
  font-size: 14px;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 14px;
}

/* ── 頭像區 ── */
#page-system .settings-avatar-row {
  display: flex;
  align-items: center;
  gap: 16px;
}
#page-system .settings-avatar {
  position: relative;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(155,137,201,0.85), rgba(127,201,154,0.7));
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 26px;
  font-weight: 800;
  flex-shrink: 0;
}
[data-theme="dark"] #page-system .settings-avatar {
  background: linear-gradient(135deg, var(--accent-magenta), var(--accent-blue));
}
#page-system .settings-avatar-cam {
  position: absolute;
  right: -2px;
  bottom: -2px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  color: var(--muted);
  cursor: pointer;
}
#page-system .settings-avatar-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
#page-system .settings-avatar-name {
  font-size: 18px;
  font-weight: 800;
  color: var(--ink);
}
#page-system .settings-avatar-role {
  font-size: 14px;
  color: var(--muted);
}
#page-system .settings-avatar-actions {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

/* ── Field grid ── */
#page-system .settings-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
@media (max-width: 600px) {
  #page-system .settings-grid-2 { grid-template-columns: 1fr; }
}
#page-system .settings-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
#page-system .settings-field-full {
  grid-column: 1 / -1;
}
#page-system .settings-field > label {
  font-size: 14px;
  font-weight: 700;
  color: var(--ink-2);
}
#page-system .settings-field-hint {
  font-size: 14px;
  color: var(--muted);
}

#page-system .settings-input-row {
  display: flex;
  align-items: center;
  gap: 10px;
}
#page-system .settings-input-row .settings-input { flex: 1; }
#page-system .settings-verified-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 10px;
  border-radius: 999px;
  background: rgba(34,197,94,0.14);
  color: var(--accent-green);
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}

/* ── Row(登入安全 / 危險操作 都用同一套)── */
#page-system .settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 0;
}
#page-system .settings-row-bordered + .settings-row-bordered {
  border-top: 1px solid var(--line);
}
#page-system .settings-row-left { flex: 1; min-width: 0; }
#page-system .settings-row-left-full { width: 100%; }
#page-system .settings-row-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
#page-system .settings-row-meta {
  font-size: 14px;
  color: var(--muted);
  margin-top: 2px;
}
#page-system .settings-row-stack {
  flex-direction: column;
  align-items: stretch;
  gap: 12px;
}
#page-system .settings-row-name-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

#page-system .settings-suggest-pill {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(245,158,11,0.16);
  color: var(--accent-amber);
  font-size: 14px;
  font-weight: 700;
}

/* ── 已登入裝置 list ── */
#page-system .settings-device-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
#page-system .settings-device-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  background: var(--surface-2);
  border-radius: 10px;
}
[data-theme="dark"] #page-system .settings-device-item { background: var(--bg); }
#page-system .settings-device-icon {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--ink-2);
  flex-shrink: 0;
}
#page-system .settings-device-info { flex: 1; min-width: 0; }
#page-system .settings-device-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
}
#page-system .settings-device-meta {
  font-size: 14px;
  color: var(--muted);
  margin-top: 1px;
}
#page-system .settings-device-this {
  font-size: 14px;
  color: var(--accent-green);
  font-weight: 700;
}

/* ── Toggle ── */
#page-system .settings-toggle {
  position: relative;
  display: inline-block;
  width: 38px;
  height: 22px;
  flex-shrink: 0;
}
#page-system .settings-toggle input { opacity: 0; width: 0; height: 0; }
#page-system .settings-toggle-slot {
  position: absolute;
  inset: 0;
  background: var(--line);
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.18s;
}
#page-system .settings-toggle-slot::before {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  background: #fff;
  border-radius: 50%;
  transition: transform 0.18s;
  box-shadow: 0 1px 3px rgba(0,0,0,0.18);
}
#page-system .settings-toggle input:checked + .settings-toggle-slot { background: var(--accent-green); }
#page-system .settings-toggle input:checked + .settings-toggle-slot::before { transform: translateX(16px); }

/* ── Buttons ── */
#page-system .settings-btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  color: var(--ink-2);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, color 0.15s;
}
#page-system .settings-btn-secondary:hover {
  border-color: var(--ink);
  background: var(--surface-2);
  color: var(--ink);
}
#page-system .settings-btn-link {
  background: transparent;
  border: none;
  color: var(--accent-blue);
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  padding: 4px 8px;
}
#page-system .settings-btn-link:hover { text-decoration: underline; }
#page-system .settings-btn-primary {
  background: var(--accent-blue);
  border: 1px solid var(--accent-blue);
  color: #fff;
  border-radius: 8px;
  padding: 8px 18px;
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: filter 0.15s;
}
#page-system .settings-btn-primary:hover { filter: brightness(1.06); }
#page-system .settings-btn-ghost {
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--ink-2);
  border-radius: 8px;
  padding: 8px 18px;
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
}
#page-system .settings-btn-ghost:hover { border-color: var(--ink); color: var(--ink); }
#page-system .settings-btn-danger-solid {
  background: var(--accent-red);
  border: 1px solid var(--accent-red);
  color: #fff;
  border-radius: 8px;
  padding: 7px 16px;
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: filter 0.15s;
}
#page-system .settings-btn-danger-solid:hover { filter: brightness(1.06); }

/* ── Theme cards ── */
#page-system .settings-theme-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
@media (max-width: 600px) {
  #page-system .settings-theme-grid { grid-template-columns: 1fr; }
}
#page-system .settings-theme-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
#page-system .settings-theme-card input { position: absolute; opacity: 0; }
#page-system .settings-theme-card:hover { border-color: var(--ink-2); }
#page-system .settings-theme-card:has(input:checked) {
  border-color: var(--accent-blue);
  border-width: 2px;
  padding: 9px;
  background: rgba(59,130,246,0.04);
}
[data-theme="dark"] #page-system .settings-theme-card:has(input:checked) {
  background: rgba(59,157,255,0.10);
}
#page-system .settings-theme-thumb {
  width: 100%;
  height: 64px;
  border-radius: 6px;
  border: 1px solid var(--line);
  position: relative;
  overflow: hidden;
  margin-bottom: 8px;
}
#page-system .settings-theme-thumb.light { background: #F1EEE7; }
#page-system .settings-theme-thumb.dark  { background: #131519; }
#page-system .settings-theme-thumb.auto {
  background: linear-gradient(135deg, #F1EEE7 50%, #131519 50%);
}
#page-system .settings-theme-thumb-stripe {
  position: absolute;
  top: 50%;
  left: 16%;
  right: 16%;
  height: 4px;
  border-radius: 2px;
  background: rgba(0,0,0,0.18);
  transform: translateY(-50%);
}
#page-system .settings-theme-thumb.dark .settings-theme-thumb-stripe { background: rgba(255,255,255,0.20); }
#page-system .settings-theme-label {
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  text-align: center;
}

/* ── Slider(AI 與閾值)── */
#page-system .settings-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 200px;
  height: 4px;
  background: var(--line);
  border-radius: 2px;
  cursor: grab;
  flex-shrink: 0;
}
#page-system .settings-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--surface);
}
[data-theme="dark"] #page-system .settings-slider::-webkit-slider-thumb { background: #F4F5F6; }

/* ── 危險操作卡 ── */
#page-system .settings-card-danger {
  border-color: rgba(239,68,68,0.25);
  background: linear-gradient(180deg, rgba(239,68,68,0.04) 0%, rgba(239,68,68,0.01) 100%);
}
[data-theme="dark"] #page-system .settings-card-danger {
  border-color: rgba(240,68,56,0.30);
  background: linear-gradient(180deg, rgba(240,68,56,0.08) 0%, rgba(240,68,56,0.02) 100%);
}
#page-system .settings-card-title-danger {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent-red);
}
#page-system .settings-card-sub-danger {
  font-size: 14px;
  color: var(--muted);
  margin-top: -8px;
  margin-bottom: 8px;
}

/* ── 儲存列 ── 固定在內容底部,非 sticky 浮動 */
#page-system .settings-save-bar {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 14px 18px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  margin-top: 18px;
}

/* utility */
#page-system .mt-2 { margin-top: 8px; }
#page-system .mt-4 { margin-top: 14px; }

/* ═══════════════════════════════════════════════════════════
 * 成員與權限 — 角色說明 + 成員列表 + 系統存取 card
 * ═══════════════════════════════════════════════════════════ */

/* 兩種角色說明 */
#page-system .mem-roles-title {
  font-size: 14px;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 12px;
}
#page-system .mem-roles-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
@media (max-width: 600px) {
  #page-system .mem-roles-grid { grid-template-columns: 1fr; }
}
#page-system .mem-role-card {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
}
[data-theme="dark"] #page-system .mem-role-card { background: var(--bg); }
#page-system .mem-role-head {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-bottom: 6px;
}
#page-system .mem-role-icon {
  display: inline-grid;
  place-items: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  flex-shrink: 0;
}
#page-system .mem-role-admin .mem-role-icon  { background: rgba(155,137,201,0.20); color: var(--accent-magenta); }
#page-system .mem-role-member .mem-role-icon { background: rgba(34,197,94,0.18);   color: var(--accent-green); }
#page-system .mem-role-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
}
#page-system .mem-role-desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.5;
}

/* 成員列表 card */
#page-system .mem-list-card {
  padding: 0;
  overflow: hidden;
}
#page-system .mem-list-head,
#page-system .mem-list-row {
  display: grid;
  grid-template-columns: minmax(0, 2.2fr) minmax(0, 1.3fr) minmax(0, 0.9fr) minmax(0, 1.1fr) minmax(0, 0.6fr);
  gap: 14px;
  align-items: center;
  padding: 12px 22px;
}
#page-system .mem-list-head {
  background: var(--surface-2);
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 0.04em;
  padding: 11px 22px;
}
[data-theme="dark"] #page-system .mem-list-head { background: var(--bg); }
#page-system .mem-list-row {
  border-top: 1px solid var(--line);
}
#page-system .mem-list-row:first-of-type { border-top: 0; }

@media (max-width: 768px) {
  #page-system .mem-list-head { display: none; }
  #page-system .mem-list-row {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 16px 18px;
  }
  #page-system .mem-list-col { min-width: 0; }
  #page-system .mem-col-action { justify-self: flex-start; }
}

#page-system .mem-list-col.mem-col-name {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}
#page-system .mem-list-col.mem-col-action {
  display: flex;
  justify-content: flex-end;
}

/* 頭像(每人配色) */
#page-system .mem-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 14px;
  font-weight: 800;
  color: #fff;
  flex-shrink: 0;
  line-height: 1;
}
#page-system .mem-av-purple { background: linear-gradient(135deg, #c5b8e8, var(--lilac-strong)); }
#page-system .mem-av-mint   { background: linear-gradient(135deg, var(--mint-l3), var(--mint-l4)); }
#page-system .mem-av-amber  { background: linear-gradient(135deg, #f7d59a, var(--sand-strong)); color: #5a3a0f; }
#page-system .mem-av-pending {
  background: var(--surface-2);
  border: 1.5px dashed var(--muted);
  color: var(--muted);
}
[data-theme="dark"] #page-system .mem-av-pending { background: var(--bg); }

/* 成員姓名 / Email */
#page-system .mem-info { min-width: 0; flex: 1; }
#page-system .mem-name-line {
  font-size: 14px;
  color: var(--ink);
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  flex-wrap: wrap;
}
#page-system .mem-name-line b { font-weight: 700; }
#page-system .mem-tag-self {
  font-size: 14px;
  color: var(--muted);
  font-weight: 500;
}
#page-system .mem-tag-shift {
  display: inline-flex;
  align-items: center;
  font-size: 14px;
  color: var(--muted);
  font-weight: 600;
}
#page-system .mem-email {
  font-size: 14px;
  color: var(--muted);
  margin-top: 2px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 100%;
}

/* 角色 pill */
#page-system .mem-role-stack {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
}
#page-system .mem-role-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}
#page-system .mem-role-pill.role-admin {
  background: rgba(155,137,201,0.20);
  color: var(--accent-magenta);
}
#page-system .mem-role-pill.role-member {
  background: rgba(34,197,94,0.16);
  color: var(--accent-green);
}
#page-system .mem-role-pill.role-pending {
  background: var(--surface-2);
  color: var(--muted);
  border: 1px dashed var(--line);
}
[data-theme="dark"] #page-system .mem-role-pill.role-pending {
  background: var(--bg);
  border-color: var(--muted);
}
#page-system .mem-owner-tag {
  display: inline-block;
  font-size: 14px;
  color: var(--accent-amber);
  background: rgba(245,158,11,0.14);
  padding: 1px 7px;
  border-radius: 4px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

/* 最後活動 */
#page-system .mem-col-active {
  font-size: 14px;
  color: var(--ink-2);
}
#page-system .mem-active-now {
  color: var(--accent-green);
  font-weight: 700;
}
#page-system .mem-no-action {
  color: var(--muted);
  font-size: 14px;
  justify-content: flex-end;
}

/* 邀請中 row 整列淡化 */
#page-system .mem-row-pending {
  background: var(--surface-2);
}
[data-theme="dark"] #page-system .mem-row-pending { background: var(--bg); }
#page-system .mem-row-pending .mem-name-line b { color: var(--ink-2); font-weight: 600; }

/* 成員表 footer */
#page-system .mem-list-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 22px;
  background: var(--surface-2);
  border-top: 1px solid var(--line);
  flex-wrap: wrap;
}
[data-theme="dark"] #page-system .mem-list-foot { background: var(--bg); }
#page-system .mem-list-count {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 14px;
  color: var(--muted);
}
#page-system .mem-list-count b { color: var(--ink); font-weight: 700; font-family: 'JetBrains Mono', monospace; }

/* 行動 buttons */
#page-system .mem-action-btn {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 16px;
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  color: var(--ink-2);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, color 0.15s;
}
#page-system .mem-action-btn:hover {
  border-color: var(--ink);
  color: var(--ink);
  background: var(--surface-2);
}
[data-theme="dark"] #page-system .mem-action-btn { background: var(--surface-2); }
[data-theme="dark"] #page-system .mem-action-btn:hover { background: var(--bg); }

#page-system .mem-invite-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: var(--accent-blue);
  border: none;
  border-radius: 8px;
  padding: 7px 16px;
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  cursor: pointer;
  transition: filter 0.15s;
}
#page-system .mem-invite-btn:hover { filter: brightness(1.06); }

/* 系統存取 info 卡(藍底) */
#page-system .mem-sysaccess-card {
  background: rgba(59,130,246,0.08);
  border: 1px solid rgba(59,130,246,0.20);
  border-radius: 12px;
  padding: 16px 20px;
  margin-top: 18px;
}
[data-theme="dark"] #page-system .mem-sysaccess-card {
  background: rgba(59,157,255,0.10);
  border-color: rgba(59,157,255,0.26);
}
#page-system .mem-sysaccess-head {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 700;
  color: var(--accent-blue);
  margin-bottom: 6px;
}
#page-system .mem-sysaccess-icon {
  display: inline-grid;
  place-items: center;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--accent-blue);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
}
#page-system .mem-sysaccess-text {
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.7;
  margin: 0 0 10px;
}
#page-system .mem-sysaccess-text b { color: var(--ink); font-weight: 700; }
#page-system .mem-sysaccess-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: var(--surface);
  border: 1px solid rgba(59,130,246,0.30);
  border-radius: 8px;
  padding: 6px 14px;
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  color: var(--accent-blue);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
#page-system .mem-sysaccess-btn:hover {
  background: rgba(59,130,246,0.10);
  border-color: var(--accent-blue);
}