/* ── Admin Members & Shared Components ──────────────── */
/* 會員管理頁面 + 共用元件 CSS */

/* ── Overview Cards ────────────────────────────────────── */
.members-overview-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}

.members-overview-card {
    background: var(--color-bg-secondary);
    border-radius: 8px;
    padding: 16px;
    border: 1px solid var(--color-border);
    transition: all var(--transition-fast);
}

.members-overview-card[onclick] {
    cursor: pointer;
}

.members-overview-card[onclick]:hover {
    border-color: var(--color-accent);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.members-overview-card .card-icon {
    margin-bottom: 8px;
    color: var(--color-text-tertiary);
}

.members-overview-card .card-label {
    font-size: 12px;
    color: var(--color-text-tertiary);
    margin-bottom: 6px;
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.members-overview-card .card-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-text-primary);
}

.members-overview-card .card-sub {
    font-size: 11px;
    color: var(--color-text-tertiary);
    margin-top: 2px;
}

.members-overview-card .card-trend {
    font-size: 11px;
    margin-top: 4px;
    color: var(--color-text-tertiary);
}

/* ── Toolbar ───────────────────────────────────────────── */
.members-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
}

.members-filter-tabs {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
}

.members-filter-tabs .filter-tab {
    padding: 6px 12px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    background: transparent;
    color: var(--color-text-secondary);
    font-size: 13px;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.members-filter-tabs .filter-tab:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.members-filter-tabs .filter-tab.active {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: white;
}

.members-toolbar-right {
    display: flex;
    gap: 8px;
    align-items: center;
    margin-left: auto;
}

.members-search-input {
    width: 220px;
    padding: 6px 10px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-size: 13px;
    background: var(--color-bg-secondary);
    color: var(--color-text-primary);
    transition: border-color var(--transition-fast);
}

.members-search-input:focus {
    outline: none;
    border-color: var(--color-accent);
}

.members-search-input::placeholder {
    color: var(--color-text-tertiary);
}

.members-plan-filter {
    padding: 6px 10px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-size: 13px;
    background: var(--color-bg-secondary);
    color: var(--color-text-primary);
}

/* ── Members Table ─────────────────────────────────────── */
.members-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    overflow: hidden;
}

.members-table thead {
    background: var(--color-bg-tertiary);
}

.members-table th {
    padding: 10px 16px;
    text-align: left;
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    border-bottom: 1px solid var(--color-border);
    white-space: nowrap;
    user-select: none;
}

.members-table th.sortable {
    cursor: pointer;
}

.members-table th.sortable:hover {
    color: var(--color-text-primary);
}

.members-table td {
    padding: 10px 16px;
    font-size: 13px;
    border-bottom: 1px solid var(--color-border);
    vertical-align: middle;
}

.members-table tbody tr {
    transition: background var(--transition-fast);
}

.members-table tbody tr:hover {
    background: var(--color-bg-tertiary);
}

.members-table tbody tr.expanded {
    background: var(--color-bg-tertiary);
}

/* Member cell: avatar + name + email */
.member-cell {
    display: flex;
    align-items: center;
    gap: 10px;
}

.member-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--color-bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: var(--color-text-secondary);
    flex-shrink: 0;
    overflow: hidden;
}

.member-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.member-info {
    min-width: 0;
}

.member-name {
    font-weight: 500;
    color: var(--color-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.member-email {
    font-size: 11px;
    color: var(--color-text-tertiary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Plan + Status combined cell */
.plan-status-cell {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.plan-status-cell .billing-period {
    font-size: 11px;
    color: var(--color-text-tertiary);
}

/* Expiry cell */
.expiry-cell {
    white-space: nowrap;
}

.expiry-cell.expiring-soon {
    color: #F59E0B;
    font-weight: 500;
}

.expiry-cell.expiring-critical {
    color: #EF4444;
    font-weight: 600;
}

.expiry-date {
    font-size: 11px;
    color: var(--color-text-tertiary);
    display: block;
}

/* ── Quota Mini Bar ────────────────────────────────────── */
.quota-mini {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.quota-mini-bar {
    width: 48px;
    height: 6px;
    background: var(--color-bg-tertiary);
    border-radius: 3px;
    overflow: hidden;
}

.quota-mini-fill {
    height: 100%;
    border-radius: 3px;
    transition: width var(--transition-normal);
}

.quota-mini-fill.green { background: #10B981; }
.quota-mini-fill.yellow { background: #F59E0B; }
.quota-mini-fill.red { background: #EF4444; }

.quota-mini-pct {
    font-size: 12px;
    font-weight: 500;
    min-width: 32px;
}

.quota-mini-pct.green { color: #10B981; }
.quota-mini-pct.yellow { color: #F59E0B; }
.quota-mini-pct.red { color: #EF4444; }

/* ── Detail Panel ──────────────────────────────────────── */
.member-detail-panel {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    margin: 4px 16px 12px;
    overflow: hidden;
    animation: panelSlideDown 0.2s ease;
}

@keyframes panelSlideDown {
    from { opacity: 0; max-height: 0; }
    to { opacity: 1; max-height: 600px; }
}

.member-detail-tabs {
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--color-border);
    padding: 0 16px;
}

.member-detail-tabs .detail-tab {
    padding: 10px 16px;
    border: none;
    background: transparent;
    color: var(--color-text-secondary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.member-detail-tabs .detail-tab:hover {
    color: var(--color-text-primary);
}

.member-detail-tabs .detail-tab.active {
    color: var(--color-accent);
    border-bottom-color: var(--color-accent);
}

.member-detail-tab-content {
    padding: 16px;
}

/* Overview Tab: two-column layout */
.detail-overview-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.detail-info-card {
    background: var(--color-bg-primary);
    border-radius: 8px;
    padding: 14px;
    border: 1px solid var(--color-border);
}

.detail-info-card h4 {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    margin-bottom: 10px;
    letter-spacing: 0.04em;
}

.detail-info-row {
    display: flex;
    justify-content: space-between;
    padding: 4px 0;
    font-size: 13px;
}

.detail-info-row .info-label {
    color: var(--color-text-tertiary);
}

.detail-info-row .info-value {
    color: var(--color-text-primary);
    font-weight: 500;
}

/* Quick action buttons in overview tab */
.detail-quick-actions {
    display: flex;
    gap: 8px;
    margin-top: 12px;
    flex-wrap: wrap;
}

/* ── Quota Ring (circular progress) ────────────────────── */
.quota-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-top: 8px;
}

.quota-ring-card {
    text-align: center;
    padding: 12px 8px;
    background: var(--color-bg-primary);
    border-radius: 8px;
    border: 1px solid var(--color-border);
}

.quota-ring {
    position: relative;
    width: 80px;
    height: 80px;
    margin: 0 auto 8px;
}

.quota-ring svg {
    transform: rotate(-90deg);
    width: 80px;
    height: 80px;
}

.quota-ring-bg {
    fill: none;
    stroke: var(--color-bg-tertiary);
    stroke-width: 6;
}

.quota-ring-fill {
    fill: none;
    stroke-width: 6;
    stroke-linecap: round;
    transition: stroke-dashoffset 0.6s ease;
}

.quota-ring.green .quota-ring-fill { stroke: #10B981; }
.quota-ring.yellow .quota-ring-fill { stroke: #F59E0B; }
.quota-ring.red .quota-ring-fill { stroke: #EF4444; }

.quota-ring-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 16px;
    font-weight: 700;
}

.quota-ring.green .quota-ring-text { color: #10B981; }
.quota-ring.yellow .quota-ring-text { color: #F59E0B; }
.quota-ring.red .quota-ring-text { color: #EF4444; }

.quota-ring-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: 2px;
}

.quota-ring-value {
    font-size: 11px;
    color: var(--color-text-tertiary);
}

.quota-addon-btn {
    margin-top: 6px;
    font-size: 11px !important;
    padding: 2px 8px !important;
}

/* Full-width quota bar */
.quota-bar-full {
    margin-bottom: 8px;
}

.quota-bar-label {
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    color: var(--color-text-tertiary);
    margin-bottom: 3px;
}

.quota-bar-track {
    height: 6px;
    background: var(--color-bg-tertiary);
    border-radius: 3px;
    overflow: hidden;
}

.quota-bar-fill {
    height: 100%;
    border-radius: 3px;
    transition: width var(--transition-normal);
}

.quota-bar-fill.green { background: #10B981; }
.quota-bar-fill.yellow { background: #F59E0B; }
.quota-bar-fill.red { background: #EF4444; }

/* ── Subscription Info Card ────────────────────────────── */
.subscription-card {
    background: var(--color-bg-primary);
    border-radius: 8px;
    padding: 14px;
    border: 1px solid var(--color-border);
    margin-bottom: 12px;
}

.subscription-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
}

.subscription-card-actions {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-top: 12px;
}

/* ── Timeline ──────────────────────────────────────────── */
.timeline-event {
    display: flex;
    gap: 10px;
    padding: 8px 0;
    border-bottom: 1px solid var(--color-border);
    font-size: 13px;
}

.timeline-event:last-child {
    border-bottom: none;
}

.timeline-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-top: 5px;
    flex-shrink: 0;
}

.timeline-content {
    flex: 1;
    min-width: 0;
}

.timeline-type {
    font-weight: 500;
    color: var(--color-text-primary);
}

.timeline-source {
    color: var(--color-text-tertiary);
    font-weight: 400;
}

.timeline-time {
    font-size: 11px;
    color: var(--color-text-tertiary);
}

.timeline-actor {
    font-size: 11px;
    color: var(--color-text-tertiary);
}

.timeline-details {
    font-size: 11px;
    color: var(--color-text-tertiary);
    margin-top: 2px;
    word-break: break-all;
}

/* ── Context Menu ──────────────────────────────────────── */
.context-menu {
    position: fixed;
    z-index: 2100;
    min-width: 180px;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    padding: 4px 0;
    animation: contextMenuIn 0.12s ease;
}

@keyframes contextMenuIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

.context-menu-item {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 8px 14px;
    border: none;
    background: transparent;
    color: var(--color-text-primary);
    font-size: 13px;
    cursor: pointer;
    text-align: left;
    transition: background var(--transition-fast);
}

.context-menu-item:hover {
    background: var(--color-bg-tertiary);
}

.context-menu-item.context-menu-danger {
    color: #EF4444;
}

.context-menu-item.context-menu-danger:hover {
    background: rgba(239, 68, 68, 0.1);
}

.context-menu-icon {
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.context-menu-divider {
    height: 1px;
    background: var(--color-border);
    margin: 4px 0;
}

/* ── Batch Action Bar ──────────────────────────────────── */
.batch-action-bar {
    position: sticky;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    padding: 10px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    z-index: 100;
    animation: batchBarSlideUp 0.2s ease;
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.2);
}

@keyframes batchBarSlideUp {
    from { transform: translateY(100%); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.batch-action-bar .batch-count {
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-primary);
}

.batch-action-bar .batch-btns {
    display: flex;
    gap: 6px;
}

/* ── Skeleton Loading ──────────────────────────────────── */
.skeleton-box {
    background: var(--color-bg-tertiary);
    border-radius: 4px;
    animation: skeletonPulse 1.5s ease-in-out infinite;
}

@keyframes skeletonPulse {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 0.8; }
}

.skeleton-row td {
    padding: 12px 16px !important;
}

.skeleton-card {
    pointer-events: none;
}

.skeleton-detail {
    padding: 16px;
}

.skeleton-tabs {
    margin-bottom: 16px;
}

/* ── Empty State ───────────────────────────────────────── */
.empty-state {
    text-align: center;
    padding: 40px 16px;
}

.empty-state-icon {
    font-size: 40px;
    margin-bottom: 12px;
    opacity: 0.4;
}

.empty-state-message {
    font-size: 14px;
    color: var(--color-text-tertiary);
    margin-bottom: 16px;
}

/* ── Pagination ────────────────────────────────────────── */
.members-pagination {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 12px;
    font-size: 13px;
}

.pagination-info {
    color: var(--color-text-tertiary);
}

.pagination-btns {
    display: flex;
    gap: 4px;
}

/* ── Responsive ────────────────────────────────────────── */
@media (max-width: 1199px) {
    .members-overview-cards {
        grid-template-columns: repeat(2, 1fr);
    }

    .detail-overview-grid {
        grid-template-columns: 1fr;
    }

    .quota-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 767px) {
    .members-overview-cards {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .members-toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .members-toolbar-right {
        margin-left: 0;
    }

    .members-search-input {
        width: 100%;
    }

    .members-filter-tabs {
        overflow-x: auto;
        flex-wrap: nowrap;
        -webkit-overflow-scrolling: touch;
    }

    .members-table th:nth-child(4),
    .members-table td:nth-child(4) {
        display: none; /* Hide quota column on mobile */
    }

    .quota-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .member-detail-panel {
        margin: 4px 0 12px;
    }

    .batch-action-bar {
        flex-direction: column;
        gap: 8px;
    }

    .batch-action-bar .batch-btns {
        width: 100%;
        justify-content: center;
    }
}


/* ================================================================
   行動中心 (Dashboard Action Center)
   ================================================================ */

.action-center {
    margin-top: 20px;
    padding: 20px;
    background: var(--color-bg-secondary, #1a1a2e);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.action-center-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text-primary, #fff);
    margin: 0 0 16px 0;
}

.action-center-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.action-center-column {
    background: var(--color-bg-tertiary, #16162a);
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.04);
    overflow: hidden;
}

.action-col-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 14px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-primary, #fff);
}

.action-col-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 6px;
}

.action-col-icon.warning {
    background: rgba(245, 158, 11, 0.15);
    color: #F59E0B;
}

.action-col-icon.danger {
    background: rgba(239, 68, 68, 0.15);
    color: #EF4444;
}

.action-col-icon.info {
    background: rgba(59, 130, 246, 0.15);
    color: #3B82F6;
}

.action-col-badge {
    margin-left: auto;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 700;
    background: rgba(245, 158, 11, 0.2);
    color: #F59E0B;
}

.action-col-badge.danger {
    background: rgba(239, 68, 68, 0.2);
    color: #EF4444;
}

.action-col-body {
    padding: 8px;
    max-height: 220px;
    overflow-y: auto;
}

.action-col-empty {
    padding: 20px 12px;
    text-align: center;
    color: var(--color-text-muted, #666);
    font-size: 12px;
}

.action-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 6px;
    border-radius: 6px;
    transition: background 0.15s;
}

.action-item:hover {
    background: rgba(255, 255, 255, 0.04);
}

.action-item-info {
    flex: 1;
    min-width: 0;
}

.action-item-email {
    display: block;
    font-size: 12px;
    font-weight: 500;
    color: var(--color-text-primary, #fff);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.action-item-meta {
    display: block;
    font-size: 11px;
    color: var(--color-text-muted, #888);
    margin-top: 1px;
}

.action-item-btn {
    flex-shrink: 0;
    width: 26px;
    height: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    background: transparent;
    color: var(--color-text-secondary, #aaa);
    cursor: pointer;
    transition: all 0.15s;
}

.action-item-btn:hover {
    background: var(--color-accent, #e8772e);
    border-color: var(--color-accent, #e8772e);
    color: #fff;
}

.text-urgent {
    color: #EF4444 !important;
    font-weight: 600;
}

.text-warning {
    color: #F59E0B !important;
    font-weight: 600;
}

/* Timeline mini dots */
.timeline-dot-mini {
    flex-shrink: 0;
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.timeline-dot-mini.dot-green { background: #10B981; }
.timeline-dot-mini.dot-blue { background: #3B82F6; }
.timeline-dot-mini.dot-yellow { background: #F59E0B; }
.timeline-dot-mini.dot-red { background: #EF4444; }

/* Responsive */
@media (max-width: 1199px) {
    .action-center-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 767px) {
    .action-center {
        padding: 14px;
    }
}