/* ==========================================
   用户中心专用样式
   前缀：user-center- / account- / membership- /
         billing- / points- / work-log- / notification-
   ========================================== */

.user-center-page {
    --uc-vip-color: #f5c76b;
    --uc-vip-bg: rgba(245, 199, 107, 0.14);
    --uc-vip-border: rgba(245, 199, 107, 0.38);
    --uc-radius: 14px;
    zoom: 1;
    min-height: 100vh;
    height: auto;
    overflow-x: hidden;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    background: var(--gradient-dark);
    color: var(--color-text);
    font-family: var(--font-body);
}

.user-center-page .video-background,
.user-center-page .bg-animation { display: none; }

.user-center-page .navbar {
    position: relative;
    flex: 0 0 auto;
    top: auto;
    left: auto;
    width: 100%;
    height: 80px;
    z-index: 1000;
}

.user-center-page main {
    position: relative;
    flex: 1 0 auto;
    min-height: 0;
    top: auto;
    right: auto;
    bottom: auto;
    left: auto;
    z-index: 1;
    padding: 12px 0;
    overflow: visible;
    background: var(--gradient-dark);
}

.user-center-page .footer {
    display: block;
    position: relative;
    flex: 0 0 auto;
    z-index: 2;
    width: 100%;
    padding-top: 0.75rem;
}

.user-center-page .footer .footer-main {
    gap: 1rem 1.5rem;
    padding-bottom: 0.7rem;
}

.user-center-page .footer .footer-logo {
    margin-bottom: 0.35rem;
}

.user-center-page .footer .footer-brand-desc {
    margin: 0;
    font-size: 0.8rem;
    line-height: 1.45;
}

.user-center-page .footer .footer-columns {
    gap: 1rem;
}

.user-center-page .footer .footer-col h4 {
    margin-bottom: 0.4rem;
}

.user-center-page .footer .footer-col a,
.user-center-page .footer .footer-link-btn {
    margin-bottom: 0.28rem;
    font-size: 0.82rem;
    line-height: 1.35;
}

.user-center-page .footer .footer-bottom {
    padding: 0.55rem 0 0.65rem;
}

.user-center-page .user-center-shell {
    width: min(920px, calc(100% - 32px));
    max-width: 920px;
    height: auto;
    min-height: 0;
    margin-inline: auto;
    display: grid;
    gap: 0.75rem;
}

.user-center-page [data-uc-state="authenticated"]:not([hidden]) {
    height: auto;
    min-height: 0;
    display: grid;
    grid-template-rows: auto auto;
    gap: 0.7rem;
    overflow: visible;
}

.user-center-profile-card,
.user-center-panel,
.user-center-summary-card,
.user-center-side-nav,
.membership-benefit-item,
.billing-tier-card,
.user-center-record-card,
.notification-item {
    border: 1px solid var(--color-border);
    background: var(--color-dark-2);
    border-radius: var(--uc-radius);
    box-shadow: var(--shadow-sm);
}

.user-center-profile-card {
    display: grid;
    grid-template-columns: 48px minmax(0, 1fr);
    grid-template-areas:
        "avatar main"
        "stats stats";
    gap: 0.55rem 0.8rem;
    align-items: center;
    padding: 0.75rem 0.9rem;
}

.user-center-avatar {
    grid-area: avatar;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid rgba(10, 132, 255, 0.35);
    background: #1c3f73;
    pointer-events: none;
    user-select: none;
}

.user-center-avatar svg {
    display: block;
    width: 100%;
    height: 100%;
}

.user-center-profile-main {
    grid-area: main;
    min-width: 0;
}

.user-center-profile-main h1 {
    font-size: 1.05rem;
    margin-bottom: 0.2rem;
    color: var(--color-text);
}

.user-center-profile-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem 1rem;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.user-center-id-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.35rem 0.5rem;
    color: var(--color-text-muted);
    font-size: 0.78rem;
}

.user-center-id-row strong {
    color: var(--color-text);
    font-weight: 600;
    overflow-wrap: anywhere;
}

.user-center-copy-btn {
    min-height: 32px;
    padding: 0.15rem 0.7rem;
    border-radius: 8px;
    border: 1px solid var(--color-border);
    background: transparent;
    color: var(--color-text);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    font-family: var(--font-body);
}

.user-center-stat-row {
    grid-area: stats;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.75rem;
}

.user-center-stat {
    display: grid;
    gap: 0.15rem;
    padding: 0.5rem 0.7rem;
    border-radius: 10px;
    border: 1px solid var(--color-border);
    background: var(--color-dark-3);
}

.user-center-stat span {
    color: var(--color-text-muted);
    font-size: 0.72rem;
}

.user-center-stat strong {
    color: var(--color-text);
    font-size: 0.98rem;
    line-height: 1.2;
}

.user-center-summary-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.9rem;
}

.user-center-summary-card {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    padding: 1.1rem 1rem;
    text-align: left;
    color: inherit;
    text-decoration: none;
    cursor: pointer;
    transition: transform 0.25s ease, border-color 0.25s ease;
}

.user-center-summary-card:hover {
    transform: translateY(-4px);
    border-color: rgba(10, 132, 255, 0.4);
}

.user-center-summary-card span {
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

.user-center-summary-card strong {
    font-size: 1.25rem;
    color: var(--color-text);
}

.user-center-layout {
    display: grid;
    grid-template-columns: 108px minmax(0, 1fr);
    gap: 0.7rem;
    align-items: stretch;
    min-height: 0;
    height: auto;
    overflow: visible;
}

.user-center-side-nav {
    padding: 0.45rem;
    position: static;
    align-self: start;
}

.user-center-side-nav nav {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.user-center-nav-btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    min-height: 34px;
    padding: 0.4rem 0.65rem;
    border: none;
    border-radius: 10px;
    background: transparent;
    color: var(--color-text);
    font-weight: 600;
    font-size: 0.82rem;
    cursor: pointer;
    text-align: left;
    font-family: var(--font-body);
}

.user-center-nav-btn:hover,
.user-center-nav-btn.is-active {
    background: rgba(10, 132, 255, 0.12);
    color: var(--color-secondary);
}

.user-center-unread-badge {
    min-width: 1.4rem;
    height: 1.4rem;
    padding: 0 0.35rem;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.72rem;
    font-weight: 700;
    color: #fff;
    background: #ff3b6d;
}

.user-center-mobile-nav {
    display: none;
    margin-bottom: 0.75rem;
}

.user-center-mobile-nav select {
    width: 100%;
    min-height: 44px;
    border-radius: 12px;
    border: 1px solid var(--color-border);
    background: var(--color-dark-2);
    color: var(--color-text);
    padding: 0.65rem 0.85rem;
    font-size: 0.95rem;
}

.user-center-panels {
    min-height: 0;
    height: auto;
    overflow: visible;
}

.user-center-panel {
    height: auto;
    min-height: 0;
    padding: 0.85rem 0.95rem;
    overflow: auto;
}

.user-center-page #records.user-center-panel {
    display: flex;
    flex-direction: column;
    height: 720px;
    min-height: 720px;
    max-height: 720px;
    overflow: hidden;
}

.user-center-page #records.user-center-panel[hidden] {
    display: none;
}

.user-center-page #records .uc-record-table {
    flex: 1 1 auto;
    min-height: 0;
    overflow: auto;
}

.user-center-page #records .uc-record-pager {
    flex: 0 0 auto;
}

.user-center-panel-header {
    margin-bottom: 0.7rem;
}

.user-center-panel-header h2 {
    font-size: 1rem;
    margin-bottom: 0.2rem;
}

.user-center-panel-header p {
    font-size: 0.78rem;
}

.user-center-panel-header p,
.user-center-muted {
    color: var(--color-text-muted);
    line-height: 1.6;
}

.user-center-state-block {
    display: grid;
    gap: 0.85rem;
    justify-items: start;
    padding: 2rem 0.5rem;
}

.user-center-state-block[hidden],
[data-uc-state][hidden] {
    display: none !important;
}

.user-center-state-block h3 {
    font-size: 1.15rem;
}

.user-center-page [data-uc-state="guest"]:not([hidden]) {
    min-height: calc(100vh - 320px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

.uc-login-card {
    width: min(360px, calc(100vw - 48px));
    height: auto;
    flex: 0 0 auto;
    display: grid;
    align-content: start;
    gap: 0.55rem;
    padding: 1.35rem 1.2rem 1.15rem;
    border: 1px solid var(--color-border);
    background: var(--color-dark-2);
    border-radius: var(--uc-radius);
    box-shadow: var(--shadow-sm);
}

.uc-login-card h2 {
    margin: 0;
    font-size: 1.15rem;
    color: var(--color-text);
}

.uc-login-card p {
    margin: 0;
}

.uc-login-card label {
    margin-top: 0.25rem;
    font-size: 0.88rem;
    color: var(--color-text-muted);
}

.uc-login-card input {
    min-height: 40px;
    border-radius: 10px;
    border: 1px solid var(--color-border);
    background: var(--color-dark-3);
    color: var(--color-text);
    padding: 0.55rem 0.8rem;
    font-size: 0.95rem;
    font-family: var(--font-body);
}

.uc-login-card input:focus {
    outline: 2px solid rgba(10, 132, 255, 0.55);
    outline-offset: 1px;
}

.uc-login-card .user-center-btn {
    width: 100%;
    margin-top: 0.35rem;
}

.uc-recharge-balance {
    display: grid;
    gap: 0.2rem;
    max-width: 320px;
    margin-bottom: 0.75rem;
    padding: 0.75rem 0.85rem;
    border-radius: 12px;
    border: 1px solid var(--color-border);
    background: var(--color-dark-3);
}

.uc-recharge-balance span {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.uc-recharge-balance strong {
    color: var(--color-text);
    font-size: 1.25rem;
    line-height: 1.15;
}

.uc-record-table {
    display: grid;
    gap: 0.5rem;
}

.uc-record-row {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr) minmax(4.5rem, 0.7fr);
    gap: 0.55rem;
    align-items: center;
    padding: 0.5rem 0.7rem;
    font-size: 0.8rem;
    border: 1px solid var(--color-border);
    border-radius: 12px;
    background: var(--color-dark-3);
    color: var(--color-text);
}

.uc-record-row.is-head {
    padding: 0.15rem 1rem 0.35rem;
    border: none;
    background: transparent;
    color: var(--color-text-muted);
    font-size: 0.82rem;
}

.uc-record-amount {
    text-align: right;
    font-weight: 700;
}

.uc-record-pager {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: 0.75rem;
    font-size: 0.8rem;
}

.uc-record-pager[hidden] {
    display: none;
}

.uc-overview-more {
    margin-top: 1rem;
}

.uc-login-error {
    color: #ff6b6b;
    font-size: 0.88rem;
}

.uc-login-frame {
    position: absolute;
    width: 0;
    height: 0;
    border: 0;
}

.user-center-skeleton {
    display: grid;
    gap: 0.75rem;
}

.user-center-skeleton-line {
    height: 14px;
    border-radius: 999px;
    background: linear-gradient(90deg, rgba(255,255,255,0.06), rgba(255,255,255,0.14), rgba(255,255,255,0.06));
    background-size: 200% 100%;
    animation: uc-skeleton 1.2s ease-in-out infinite;
}

.user-center-skeleton-line.is-lg { height: 56px; border-radius: 14px; }
.user-center-skeleton-line.is-md { width: 70%; }

@keyframes uc-skeleton {
    0% { background-position: 100% 0; }
    100% { background-position: -100% 0; }
}

.user-center-btn,
.user-center-page button.user-center-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 36px;
    padding: 0.45rem 0.85rem;
    border-radius: 10px;
    border: 1px solid transparent;
    font-weight: 600;
    font-size: 0.92rem;
    cursor: pointer;
    font-family: var(--font-body);
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.user-center-btn:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.user-center-btn-primary {
    color: #fff;
    background: var(--gradient-primary);
}

.user-center-btn-secondary {
    color: var(--color-text);
    background: transparent;
    border-color: var(--color-border);
}

.user-center-btn-ghost {
    color: var(--color-text-muted);
    background: transparent;
    border-color: transparent;
}

.user-center-btn:focus-visible,
.user-center-nav-btn:focus-visible,
.user-center-summary-card:focus-visible {
    outline: 2px solid var(--color-secondary);
    outline-offset: 2px;
}

.user-center-text-link {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
}

.user-center-status-tag,
.billing-status,
.work-log-result,
.points-delta {
    display: inline-flex;
    align-items: center;
    padding: 0.18rem 0.55rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 700;
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
}

.membership-status.is-active,
.user-center-status-tag.is-success,
.billing-status.is-paid,
.work-log-result.is-success {
    color: var(--color-secondary);
    border-color: rgba(0, 212, 255, 0.35);
    background: rgba(0, 212, 255, 0.1);
}

.membership-status.is-expiring,
.billing-status.is-pending,
.work-log-result.is-processing {
    color: var(--uc-vip-color);
    border-color: var(--uc-vip-border);
    background: var(--uc-vip-bg);
}

.membership-status.is-expired,
.billing-status.is-failed,
.work-log-result.is-failed {
    color: #ff6b81;
    border-color: rgba(255, 59, 109, 0.35);
    background: rgba(255, 59, 109, 0.1);
}

.user-center-info-grid,
.user-center-record-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.85rem;
}

.user-center-info-grid div,
.user-center-record-grid div {
    display: grid;
    gap: 0.2rem;
}

.user-center-info-grid dt,
.user-center-record-grid dt {
    font-size: 0.78rem;
    color: var(--color-text-muted);
}

.user-center-info-grid dd,
.user-center-record-grid dd {
    margin: 0;
    color: var(--color-text);
    word-break: break-word;
}

.user-center-record-grid .is-full {
    grid-column: 1 / -1;
}

.membership-benefit-list,
.user-center-record-list,
.notification-list {
    display: grid;
    gap: 0.85rem;
}

.membership-benefit-item {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.9rem;
    padding: 1rem;
}

.membership-benefit-icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(10, 132, 255, 0.12);
    color: var(--color-secondary);
}

.membership-benefit-icon .iconify {
    width: 22px;
    height: 22px;
}

.membership-benefit-body h3 {
    font-size: 1rem;
    margin-bottom: 0.3rem;
}

.membership-benefit-body p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: 0.55rem;
}

.membership-benefit-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    align-items: center;
}

.billing-tier-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.75rem;
    margin: 0.85rem 0;
}

.billing-tier-card {
    position: relative;
    display: grid;
    gap: 0.25rem;
    padding: 0.95rem;
    cursor: pointer;
}

.billing-tier-card input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.billing-tier-card:has(input:checked),
.billing-tier-card.is-recommended:has(input:checked) {
    border-color: rgba(10, 132, 255, 0.55);
    box-shadow: var(--shadow-glow);
}

.billing-tier-amount {
    font-size: 1.2rem;
    font-weight: 700;
}

.billing-tier-pay,
.billing-tier-bonus {
    font-size: 0.82rem;
    color: var(--color-text-muted);
}

.billing-tier-badge {
    position: absolute;
    top: 0.55rem;
    right: 0.55rem;
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--uc-vip-color);
    background: var(--uc-vip-bg);
    border: 1px solid var(--uc-vip-border);
    border-radius: 999px;
    padding: 0.1rem 0.45rem;
}

.user-center-form-row {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 0.75rem;
    margin: 0.75rem 0 1rem;
}

.user-center-form-row input,
.user-center-filter-bar input,
.user-center-filter-bar select {
    min-height: 44px;
    border-radius: 10px;
    border: 1px solid var(--color-border);
    background: var(--color-dark-3);
    color: var(--color-text);
    padding: 0.55rem 0.8rem;
    font-size: 0.92rem;
}

.user-center-filter-bar {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr)) auto;
    gap: 0.6rem;
    margin-bottom: 1rem;
}

.user-center-payment-state {
    margin: 0.5rem 0 1rem;
    color: var(--color-secondary);
    font-weight: 600;
}

.user-center-payment-qr {
    width: min(220px, 100%);
    margin-bottom: 1rem;
}

.user-center-payment-qr img {
    width: 100%;
    border-radius: 12px;
    border: 1px solid var(--color-border);
}

.user-center-record-card,
.notification-item {
    padding: 1rem;
}

.user-center-record-head {
    display: flex;
    justify-content: space-between;
    gap: 0.75rem;
    align-items: center;
    margin-bottom: 0.75rem;
}

.points-delta.is-earned { color: var(--color-secondary); }
.points-delta.is-spent,
.points-delta.is-expired { color: #ff6b81; }

.user-center-rules {
    margin-top: 1.25rem;
    padding: 1rem;
    border-radius: 12px;
    border: 1px dashed var(--color-border);
}

.user-center-rules h3 {
    margin-bottom: 0.55rem;
    font-size: 1rem;
}

.user-center-rules ul {
    margin: 0;
    padding-left: 1.1rem;
    color: var(--color-text-muted);
    line-height: 1.7;
}

.user-center-empty,
.user-center-inline-loading {
    padding: 1.5rem 0.5rem;
    color: var(--color-text-muted);
    text-align: center;
}

.user-center-empty strong {
    display: block;
    color: var(--color-text);
    margin-bottom: 0.35rem;
}

.visually-hidden {
    position: absolute !important;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.user-center-subheading {
    font-size: 1rem;
    margin: 1rem 0 0.6rem;
}

.notification-toolbar {
    display: flex;
    justify-content: space-between;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-bottom: 0.75rem;
}

.notification-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    margin-bottom: 0.9rem;
}

.notification-tabs button {
    min-height: 36px;
    border-radius: 999px;
    border: 1px solid var(--color-border);
    background: transparent;
    color: var(--color-text-muted);
    padding: 0.35rem 0.8rem;
    cursor: pointer;
    font-family: var(--font-body);
}

.notification-tabs button.is-active {
    color: var(--color-secondary);
    border-color: rgba(0, 212, 255, 0.4);
    background: rgba(0, 212, 255, 0.1);
}

.notification-item.is-unread {
    border-color: rgba(10, 132, 255, 0.4);
}

.notification-item p {
    color: var(--color-text-muted);
    margin-bottom: 0.75rem;
    line-height: 1.6;
}

.notification-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.user-center-toast {
    position: fixed;
    left: 50%;
    bottom: 1.5rem;
    transform: translateX(-50%);
    z-index: 2200;
    max-width: min(90vw, 420px);
    padding: 0.85rem 1.1rem;
    border-radius: 12px;
    background: var(--color-dark-2);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    color: var(--color-text);
}

body.light-theme .uc-login-card,
body.light-theme .user-center-profile-card,
body.light-theme .user-center-panel,
body.light-theme .user-center-summary-card,
body.light-theme .user-center-side-nav,
body.light-theme .membership-benefit-item,
body.light-theme .billing-tier-card,
body.light-theme .user-center-record-card,
body.light-theme .notification-item,
body.light-theme .user-center-toast {
    background: var(--color-dark-3);
}

body.light-theme .uc-login-card input,
body.light-theme .user-center-form-row input,
body.light-theme .user-center-filter-bar input,
body.light-theme .user-center-filter-bar select,
body.light-theme .user-center-mobile-nav select {
    background: #fff;
}

@media (max-width: 1200px) {
    .user-center-summary-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .billing-tier-grid,
    .user-center-filter-bar {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    .user-center-page {
        height: auto;
        min-height: 100vh;
        overflow: auto;
    }

    .user-center-page main {
        flex: 1 0 auto;
        min-height: calc(100vh - 80px);
        height: auto;
        padding: 8px 0;
        overflow: visible;
    }

    .user-center-page [data-uc-state="authenticated"]:not([hidden]),
    .user-center-layout,
    .user-center-panels,
    .user-center-panel {
        height: auto;
        overflow: visible;
    }

    .user-center-profile-card {
        grid-template-columns: 48px minmax(0, 1fr);
    }

    .user-center-stat strong {
        font-size: 0.92rem;
    }

    .uc-record-row {
        gap: 0.45rem;
        padding: 0.75rem 0.7rem;
    }

    .user-center-layout {
        grid-template-columns: 1fr;
    }

    .user-center-side-nav {
        display: none;
    }

    .user-center-mobile-nav {
        display: block;
    }

    .user-center-summary-grid,
    .user-center-info-grid,
    .user-center-record-grid,
    .billing-tier-grid,
    .user-center-form-row,
    .user-center-filter-bar {
        grid-template-columns: 1fr;
    }

    .user-center-record-head,
    .notification-actions {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (prefers-reduced-motion: reduce) {
    .user-center-summary-card,
    .user-center-btn,
    .user-center-skeleton-line {
        transition: none;
        animation: none;
    }

    .user-center-summary-card:hover {
        transform: none;
    }
}