#tab-user {
    padding-bottom: 84px;
}

.account-tab-header {
    text-align: center;
    padding: 36px 16px 10px;
}

.account-tab-title {
    margin: 0;
    color: var(--green-primary);
    font-family: var(--font-heading);
    font-size: clamp(26px, 4.4vw, 32px);
    font-weight: 700;
    letter-spacing: 0.02em;
}

#user-profile-container {
    padding: 0 16px 20px;
}

.account-page {
    max-width: 760px;
    margin: 0 auto;
}

.account-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-xl);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.account-section {
    padding: 18px 20px;
    border-top: 1px solid var(--border);
}

.account-section:first-child {
    border-top: none;
}

.account-section-title {
    margin: 0;
    color: var(--ink-1);
    font-size: var(--fs-xl);
    font-weight: 700;
}

.account-section-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.account-profile {
    padding: 26px 20px 18px;
    text-align: center;
    background: linear-gradient(180deg, rgba(244, 248, 245, 0.9), var(--bg-card));
}

.account-avatar-stack {
    position: relative;
    width: 96px;
    height: 96px;
    margin: 0 auto 14px;
}

.account-avatar {
    width: 100%;
    height: 100%;
    border-radius: var(--r-pill);
    border: 3px solid var(--bg-card);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tint);
}

.account-avatar-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.account-avatar-action {
    position: absolute;
    bottom: -3px;
    width: 34px;
    height: 34px;
    border-radius: var(--r-pill);
    border: 2px solid var(--bg-card);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform var(--dur-fast) var(--ease-standard);
}

.account-avatar-action:hover {
    transform: translateY(-1px);
}

.account-avatar-action i {
    font-size: 18px;
}

.account-avatar-action.camera {
    right: -3px;
    color: var(--bg-card);
    background: var(--green-primary);
}

.account-avatar-action.shuffle {
    left: -3px;
    color: var(--ink-2);
    background: var(--bg-card);
    border-color: var(--border);
}

.account-avatar-save {
    display: none;
    justify-content: center;
    margin: 0 0 10px;
}

.account-avatar-save .btn {
    min-height: 38px;
    padding: 8px 14px;
    border-radius: var(--r-pill);
}

.account-file-input {
    display: none;
}

.account-nickname-row {
    margin: 0 0 8px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.account-nickname {
    margin: 0;
    color: var(--ink-1);
    font-size: 32px;
    font-weight: 700;
    line-height: 1;
}

.account-edit-btn {
    border: none;
    background: transparent;
    color: var(--ink-4);
    cursor: pointer;
    padding: 4px;
    border-radius: var(--r-pill);
}

.account-edit-btn:hover {
    color: var(--green-primary);
    background: var(--bg-tint);
}

.account-meta {
    display: flex;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
}

.account-edit-panel {
    display: none;
    margin: 14px auto 0;
    max-width: 280px;
}

.account-edit-panel.is-open {
    display: block;
}

.account-edit-actions {
    display: flex;
    gap: 8px;
}

.account-edit-actions .btn {
    min-height: 40px;
    padding: 8px 12px;
    border-radius: var(--r-md);
}

.account-edit-actions .form-input {
    font-size: var(--fs-md);
}

.account-auth-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 12px;
}

.account-auth-item {
    min-height: 52px;
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    background: var(--bg-card);
    padding: 10px 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.account-auth-main {
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.account-auth-icon {
    color: var(--green-primary);
    font-size: 18px;
}

.account-auth-provider {
    color: var(--ink-1);
    font-size: var(--fs-lg);
    font-weight: 600;
}

.account-auth-id {
    color: var(--ink-3);
    font-size: var(--fs-md);
}

.account-bind-qq {
    margin-top: 2px;
}

.account-bind-qq .btn {
    width: 100%;
    min-height: 46px;
    border-style: dashed;
}

.account-save-status {
    min-width: 48px;
    text-align: right;
    font-size: var(--fs-sm);
}

.account-save-status .pending {
    color: var(--ink-3);
}

.account-save-status .success {
    color: var(--green-primary);
}

.account-save-status .error {
    color: var(--red-primary);
}

.account-level-help {
    margin: 8px 0 14px;
    color: var(--ink-3);
    font-size: var(--fs-md);
    line-height: var(--lh-base);
}

.account-feature-grid {
    margin-top: 14px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.account-feature-card {
    border-radius: var(--r-lg);
    border: 1px solid var(--border);
    background: var(--bg-card);
    min-height: 84px;
    padding: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 4px;
}

button.account-feature-card {
    width: 100%;
    cursor: pointer;
}

button.account-feature-card:hover {
    background: var(--bg-tint);
    border-color: var(--green-primary);
}

.account-feature-card .material-icons {
    font-size: 22px;
    color: var(--green-primary);
}

.account-feature-title {
    color: var(--ink-1);
    font-size: var(--fs-lg);
    font-weight: 600;
}

.account-feature-desc {
    color: var(--ink-3);
    font-size: var(--fs-sm);
}

.account-feature-card.is-disabled {
    background: var(--bg-muted);
    opacity: 0.78;
}

.account-feature-card.is-disabled .material-icons,
.account-feature-card.is-disabled .account-feature-title,
.account-feature-card.is-disabled .account-feature-desc {
    color: var(--ink-4);
}

.account-logout-wrap {
    margin-top: 8px;
    text-align: center;
}

.account-logout-btn {
    border: none;
    background: transparent;
    color: var(--red-primary);
    font-size: var(--fs-lg);
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 0;
}

.account-logout-btn .material-icons {
    font-size: 20px;
}

.account-auth-shell {
    max-width: 520px;
    margin: 0 auto;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-xl);
    padding: 20px;
    box-shadow: var(--shadow-md);
}

.account-auth-hero {
    text-align: center;
    border-radius: var(--r-xl);
    border: 1px solid var(--border);
    background: linear-gradient(135deg, rgba(244, 248, 245, 0.96), rgba(255, 255, 255, 0.98));
    padding: 20px 16px;
    margin-bottom: 16px;
}

.account-auth-hero-icon {
    font-size: 34px;
    line-height: 1;
    margin-bottom: 8px;
}

.account-auth-hero-title {
    margin: 0;
    color: var(--ink-1);
    font-size: 28px;
    font-weight: 700;
}

.account-auth-hero-copy {
    margin: 8px 0 0;
    color: var(--ink-3);
    font-size: var(--fs-md);
}

.account-auth-tabs {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 6px;
    background: var(--bg-muted);
    border-radius: var(--r-lg);
    padding: 4px;
    margin-bottom: 16px;
}

.account-auth-tab {
    border: none;
    border-radius: var(--r-md);
    background: transparent;
    color: var(--ink-3);
    min-height: 40px;
    font-size: var(--fs-md);
    font-weight: 600;
    cursor: pointer;
}

.account-auth-tab.is-active {
    background: var(--bg-card);
    color: var(--ink-1);
    box-shadow: var(--shadow-xs);
}

.feedback-footer-entry+.site-footer {
    margin-top: 24px;
}

.site-footer .footer-content {
    color: var(--ink-5);
    font-size: var(--fs-xs);
    opacity: 1;
}

.site-footer .version-link {
    color: var(--ink-5);
    font-size: var(--fs-xs);
    font-weight: 500;
    padding: 0;
    border-radius: var(--r-sm);
    background: transparent;
}

.site-footer .version-link:hover {
    color: var(--ink-4);
    background: transparent;
    transform: none;
    text-decoration: underline;
}

.account-page .auth-view {
    display: none;
}

.account-page .auth-view.is-active {
    display: block;
}

.account-auth-submit {
    width: 100%;
    min-height: 46px;
    margin-top: 4px;
}

.account-auth-note {
    color: var(--ink-4);
    font-size: var(--fs-sm);
    text-align: center;
    margin: 12px 0 0;
}

.account-auth-link {
    color: var(--green-primary);
    font-weight: 600;
}

.account-auth-divider {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 18px 0;
    color: var(--ink-4);
    font-size: var(--fs-sm);
}

.account-auth-divider::before,
.account-auth-divider::after {
    content: '';
    flex: 1;
    border-top: 1px solid var(--border);
}

.account-bot-box {
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    background: var(--bg-tint);
    padding: 14px;
    text-align: center;
}

.account-bot-copy {
    margin: 0 0 10px;
    color: var(--ink-3);
    line-height: var(--lh-base);
}

.account-bot-copy code {
    background: var(--bg-card);
    color: var(--green-primary);
    border: 1px solid var(--border);
    border-radius: var(--r-sm);
    padding: 1px 6px;
    font-size: var(--fs-sm);
}

.account-code-state {
    text-align: center;
    margin-bottom: 14px;
}

.account-code-emoji {
    font-size: 28px;
    line-height: 1;
}

.account-code-mail {
    color: var(--ink-1);
    font-weight: 600;
    margin: 6px 0 0;
}

.account-code-subtitle {
    color: var(--ink-3);
    margin: 8px 0 0;
    font-size: var(--fs-sm);
}

.account-auth-stack {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.account-turnstile-wrap {
    margin-bottom: 12px;
    display: flex;
    justify-content: center;
}

.account-empty-state {
    border: 1px dashed var(--border);
    border-radius: var(--r-lg);
    padding: 12px;
    text-align: center;
    color: var(--ink-4);
    font-size: var(--fs-sm);
}

.account-bind-sheet {
    padding: 8px;
}

.account-bind-card {
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    padding: 14px;
    background: var(--bg-tint);
}

.account-bind-card p {
    margin: 0;
    color: var(--ink-3);
    line-height: var(--lh-base);
}

.account-bind-card p+p {
    margin-top: 8px;
}

.account-bind-card code {
    background: var(--bg-card);
    color: var(--green-primary);
    border: 1px solid var(--border);
    border-radius: var(--r-sm);
    padding: 1px 6px;
}

.account-bind-uin {
    color: var(--green-primary);
}

.account-bind-actions {
    margin-top: 14px;
}

.account-bind-actions .btn {
    width: 100%;
    min-height: 44px;
}

.account-level-slider {
    position: relative;
    padding: 24px 0 10px;
    margin: 10px 0 24px;
    user-select: none;
}

.slider-track-container {
    position: absolute;
    top: 35px;
    left: 24px;
    right: 24px;
    height: 4px;
    z-index: 1;
}

.slider-track {
    width: 100%;
    height: 100%;
    background: var(--border);
    border-radius: var(--r-pill);
}

.slider-progress {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background: var(--green-primary);
    border-radius: var(--r-pill) 0 0 var(--r-pill);
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.slider-steps {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: space-between;
}

.slider-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    width: 48px;
    gap: 8px;
    transition: transform var(--dur-fast) ease;
}

.slider-step:hover {
    transform: translateY(-2px);
}

.slider-dot-wrap {
    width: 26px;
    height: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border-radius: 50%;
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--border);
    border: 3px solid var(--bg-card);
    box-shadow: 0 0 0 1px var(--border);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.slider-step.is-active .slider-dot {
    background: var(--green-primary);
    box-shadow: 0 0 0 1px var(--green-primary);
}

.slider-step.is-current .slider-dot {
    width: 18px;
    height: 18px;
    border-width: 4px;
    background: #fff;
    box-shadow: 0 0 0 3px var(--green-primary);
}

.slider-label {
    font-size: 13px;
    color: var(--ink-3);
    font-weight: 600;
    transition: color 0.3s, font-size 0.3s;
}

.slider-step.is-current .slider-label {
    color: var(--green-primary);
    font-size: 14px;
}

.account-level-card {
    background: var(--bg-tint);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    padding: 16px 20px;
    margin-bottom: 8px;
    transition: all 0.3s ease;
}

.level-detail-header {
    display: flex;
    align-items: center;
    margin-bottom: 14px;
}

.level-detail-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--ink-1);
    font-family: var(--font-heading);
}

.level-detail-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 12px;
}

.level-detail-desc {
    font-size: 14px;
    color: var(--ink-3);
    line-height: 1.6;
}

@media (max-width: 420px) {
    .account-nickname {
        font-size: 28px;
    }

    .account-feature-grid {
        grid-template-columns: 1fr;
    }

    .slider-step {
        width: 40px;
    }

    .slider-track-container {
        left: 20px;
        right: 20px;
    }

    .account-page .lv-chip {
        padding: 2px 7px;
    }
}