/* ═══════════════════════════════════════════════════════════
   到期(存取期限)相關樣式
   - .expiry-overlay         整片到期遮罩(index.html 進入時若已到期會顯示)
   - .mem-pill-expired       成員列表「已到期」紅 pill
   - .mem-pill-unlimited     成員列表「無期限」紫 pill
   - .mem-row-expired        已到期那一列的灰底
   ═══════════════════════════════════════════════════════════ */

/* ── 到期遮罩 ────────────────────────────────────────────── */
/* topbar 不蓋,從 sub-tab-bar(第 64px 開始)蓋到底。
   z-index 比 sub-tab-bar(沒設,預設 0)高,比 fallbackBanner(z-50)低。 */
.expiry-overlay {
  position: fixed;
  top: 56px;        /* topbar 高度,不蓋過去 */
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 40;
  background: rgba(20, 18, 14, 0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  animation: expiry-fade-in 0.18s ease-out;
}

@keyframes expiry-fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.expiry-overlay-card {
  background: var(--bg, #fff);
  border-radius: 16px;
  padding: 36px 32px 28px;
  width: 100%;
  max-width: 440px;
  text-align: center;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.25);
  border: 1px solid var(--line, #E5DCB8);
}

.expiry-overlay-icon {
  color: var(--accent-amber, #F59E0B);
  margin-bottom: 12px;
}

.expiry-overlay-title {
  font-size: 22px;
  font-weight: 800;
  color: var(--ink, #131313);
  margin: 0 0 14px;
  letter-spacing: -0.01em;
}

.expiry-overlay-sub {
  font-size: 14px;
  color: var(--muted, #666);
  margin: 0 0 8px;
}
.expiry-overlay-sub b {
  color: var(--ink, #131313);
  font-weight: 700;
}

.expiry-overlay-desc {
  font-size: 14px;
  color: var(--muted, #666);
  line-height: 1.55;
  margin: 0 0 22px;
}

.expiry-overlay-btn {
  background: var(--ink, #131313);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 11px 28px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
  transition: opacity 0.15s;
}
.expiry-overlay-btn:hover { opacity: 0.85; }

/* dark theme 微調 */
[data-theme="dark"] .expiry-overlay {
  background: rgba(0, 0, 0, 0.65);
}

/* ── 成員列表上的 pill / row state ─────────────────────────── */
#page-system .mem-pill-expired {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(217, 74, 74, 0.14);
  color: #c14040;
  font-size: 13px;
  font-weight: 700;
}
[data-theme="dark"] #page-system .mem-pill-expired {
  background: rgba(217, 74, 74, 0.25);
  color: #ff8888;
}

#page-system .mem-pill-unlimited {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(127, 119, 221, 0.14);
  color: #6f67c5;
  font-size: 13px;
  font-weight: 700;
}
[data-theme="dark"] #page-system .mem-pill-unlimited {
  background: rgba(127, 119, 221, 0.25);
  color: #b7b0ff;
}

#page-system .mem-col-expiry {
  font-size: 13px;
  color: var(--muted);
  white-space: nowrap;
}

#page-system .mem-list-row.mem-row-expired {
  background: rgba(217, 74, 74, 0.04);
}
[data-theme="dark"] #page-system .mem-list-row.mem-row-expired {
  background: rgba(217, 74, 74, 0.08);
}

/* ── 展期設定小卡 ─────────────────────────────────────────── */
#page-system .event-end-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 18px;
  background: linear-gradient(90deg, rgba(245, 158, 11, 0.08), rgba(245, 158, 11, 0.02));
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: 12px;
  margin-bottom: 16px;
}
[data-theme="dark"] #page-system .event-end-card {
  background: linear-gradient(90deg, rgba(245, 158, 11, 0.12), rgba(245, 158, 11, 0.04));
  border-color: rgba(245, 158, 11, 0.4);
}

#page-system .event-end-info {
  flex: 1;
  min-width: 0;
}
#page-system .event-end-label {
  font-size: 13px;
  color: var(--muted);
  font-weight: 600;
  display: block;
  margin-bottom: 2px;
}
#page-system .event-end-value {
  font-size: 16px;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.01em;
}
#page-system .event-end-hint {
  font-size: 12px;
  color: var(--muted);
  margin-top: 4px;
  line-height: 1.4;
}
#page-system .event-end-edit-btn {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 7px 14px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
  color: var(--ink);
  flex-shrink: 0;
  transition: border-color 0.15s;
}
#page-system .event-end-edit-btn:hover { border-color: var(--ink); }
[data-theme="dark"] #page-system .event-end-edit-btn {
  background: rgba(255,255,255,0.06);
}

/* ── 編輯成員 / 展期設定 共用 modal ───────────────────────── */
.member-modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.member-modal-overlay.show { display: flex; }
.member-modal-card {
  background: var(--bg, #fff);
  border-radius: 16px;
  padding: 24px 24px 20px;
  width: 100%;
  max-width: 440px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.2);
  border: 1px solid var(--line);
  position: relative;
}
.member-modal-title {
  font-size: 18px;
  font-weight: 800;
  margin: 0 0 4px;
  color: var(--ink);
}
.member-modal-sub {
  font-size: 13px;
  color: var(--muted);
  margin: 0 0 18px;
}
.member-modal-field { margin-bottom: 14px; }
.member-modal-field label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 6px;
}
.member-modal-field input[type="email"],
.member-modal-field input[type="text"],
.member-modal-field input[type="datetime-local"] {
  width: 100%;
  box-sizing: border-box;
  border: 1.5px solid var(--line);
  border-radius: 8px;
  padding: 9px 12px;
  font-size: 14px;
  font-family: inherit;
  background: #fff;
  color: var(--ink);
}
[data-theme="dark"] .member-modal-field input[type="email"],
[data-theme="dark"] .member-modal-field input[type="text"],
[data-theme="dark"] .member-modal-field input[type="datetime-local"] {
  background: rgba(255,255,255,0.06);
}
.member-modal-field input:focus {
  outline: none;
  border-color: var(--ink);
}
.member-modal-radio-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.member-modal-radio {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border: 1.5px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  transition: border-color 0.12s, background 0.12s;
}
.member-modal-radio:hover { border-color: var(--muted); }
.member-modal-radio input { margin: 0; }
.member-modal-radio.is-active {
  border-color: var(--ink);
  background: rgba(0,0,0,0.04);
}
[data-theme="dark"] .member-modal-radio.is-active {
  background: rgba(255,255,255,0.08);
}
.member-modal-unlimited {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
  margin-top: 8px;
  user-select: none;
  cursor: pointer;
}
.member-modal-unlimited input { margin: 0; }
.member-modal-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 20px;
}
.member-modal-btn-ghost,
.member-modal-btn-primary,
.member-modal-btn-danger {
  border: none;
  border-radius: 8px;
  padding: 9px 16px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
}
.member-modal-btn-ghost {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--line);
}
.member-modal-btn-primary {
  background: var(--ink);
  color: #fff;
}
.member-modal-btn-primary:hover { opacity: 0.85; }
.member-modal-btn-danger {
  background: transparent;
  color: #c14040;
  border: 1px solid rgba(217,74,74,0.4);
  margin-right: auto;
}
.member-modal-btn-danger:hover { background: rgba(217,74,74,0.08); }
.member-modal-close {
  position: absolute;
  top: 14px;
  right: 18px;
  background: none;
  border: none;
  font-size: 22px;
  cursor: pointer;
  color: var(--muted);
  line-height: 1;
  padding: 0;
}