/* ≤1024px：收起侧边栏，切到移动端形态 */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
        width: 260px;
        border-right: none;
    }

    .sidebar-tools {
        display: none;
    }

    .app-container.sidebar-collapsed .sidebar {
        width: 260px;
    }

    .app-container.sidebar-collapsed .main-wrapper {
        margin-left: 0;
    }

    .app-container.sidebar-collapsed .nav-group,
    .app-container.sidebar-collapsed .sidebar-footer {
        padding-left: 12px;
        padding-right: 12px;
    }

    .app-container.sidebar-collapsed .nav-item {
        justify-content: flex-start;
        gap: 10px;
        padding-left: 14px;
        padding-right: 14px;
    }

    .app-container.sidebar-collapsed .nav-label {
        max-width: 160px;
        opacity: 1;
    }

    /* 注意：ui.js toggleSidebar 用的是 .open */
    .sidebar.open {
        transform: translateX(0);
        box-shadow: 20px 0 50px rgba(0, 0, 0, 0.08);
    }

    .main-wrapper {
        margin-left: 0;
        padding: 16px 20px 32px;
    }

    .sidebar-toggle {
        display: inline-flex;
    }

    .view-title {
        font-size: 20px;
    }
}

/* ≤640px：卡片/统计再紧凑一级 */
@media (max-width: 640px) {
    .main-wrapper {
        padding: 14px 16px 28px;
    }

    .stat-row {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }

    .stat-item {
        padding: 14px 16px;
    }

    .stat-number {
        font-size: 20px;
    }

    .dashboard-chart {
        height: auto;
        min-height: 220px;
    }

    .cute-status-chart {
        grid-template-columns: 1fr;
        gap: 14px;
        min-height: 360px;
    }

    .cute-stat-pill {
        max-width: none;
    }

    .cute-donut {
        order: -1;
    }

    .cute-summary-grid {
        grid-template-columns: 1fr;
    }

    .settings-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .k-card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
        padding: 16px 18px;
    }

    .k-card-body {
        padding: 18px;
        overflow-x: visible;
    }

    table { min-width: 0; }

    .modal-overlay { padding: 16px; }
    .modal-content { max-height: calc(100vh - 32px); }
    .modal-body { padding: 18px; }
}

/* ≤480px：登录页内边距收紧 */
@media (max-width: 480px) {
    .login-page {
        padding: max(16px, env(safe-area-inset-top))
                 max(16px, env(safe-area-inset-right))
                 max(16px, env(safe-area-inset-bottom))
                 max(16px, env(safe-area-inset-left));
    }
    .login-card {
        padding: 28px 22px 24px;
    }
    .login-input {
        height: 44px;
        font-size: 16px; /* ≥16px 防止 iOS 聚焦时自动缩放 */
    }
    .login-btn {
        height: 44px;
    }
}

@media (max-width: 640px) {

    /* 顶栏按钮在窄屏下自然换行并自适应 */
    #tab-accounts .k-card-header > div,
    #tab-assigned .k-card-header > div,
    #tab-cards .k-card-header > div,
    #tab-logs .k-card-header > div {
        flex-wrap: wrap;
        width: 100%;
    }
    #tab-accounts .k-card-header .ui-btn,
    #tab-accounts .k-card-header .k-dropdown,
    #tab-assigned .k-card-header .ui-btn,
    #tab-assigned .k-card-header .k-dropdown,
    #tab-cards .k-card-header .ui-btn,
    #tab-cards .k-card-header .k-dropdown,
    #tab-logs .k-card-header .ui-btn,
    #tab-logs .k-card-header .k-dropdown {
        flex: 1 1 auto;
        min-width: 0;
    }

    /* 筛选栏输入框填满单行 */
    #tab-accounts .k-card-body > div:first-child .k-input[type="text"],
    #tab-assigned .k-card-body > div:first-child .k-input[type="text"],
    #tab-cards .k-card-body > div:first-child .k-input[type="text"],
    #tab-logs .k-card-body > div:first-child .k-input[type="text"] {
        width: 100%;
        min-width: 0;
        flex: 1 1 100%;
    }
    #tab-accounts .k-card-body > div:first-child .k-input[type="date"],
    #tab-assigned .k-card-body > div:first-child .k-input[type="date"],
    #tab-cards .k-card-body > div:first-child .k-input[type="date"],
    #tab-logs .k-card-body > div:first-child .k-input[type="date"] {
        flex: 1 1 140px;
        min-width: 0;
    }

    /* 解除外层 overflow-x:auto 带来的横滚，卡片布局不需要 */
    #tab-accounts .k-card-body > div:nth-of-type(2),
    #tab-assigned .k-card-body > div:nth-of-type(2) {
        overflow-x: visible !important;
    }

    /* 表格 → 堆叠布局 */
    #tab-accounts table,
    #tab-assigned table,
    #tab-cards table,
    #tab-logs table {
        display: block;
        min-width: 0;
    }
    #tab-accounts thead,
    #tab-assigned thead,
    #tab-cards thead,
    #tab-logs thead {
        display: none;
    }
    #tab-accounts tbody,
    #tab-assigned tbody,
    #tab-cards tbody,
    #tab-logs tbody {
        display: block;
    }
    #tab-accounts tbody tr,
    #tab-assigned tbody tr,
    #tab-cards tbody tr,
    #tab-logs tbody tr {
        display: block;
        padding: 12px 14px;
        margin-bottom: 10px;
        background: var(--bg-surface);
        border: 1px solid var(--border);
        border-radius: 10px;
    }
    #tab-accounts tbody tr:hover,
    #tab-assigned tbody tr:hover,
    #tab-cards tbody tr:hover,
    #tab-logs tbody tr:hover {
        background: var(--bg-subtle);
    }
    #tab-accounts tbody td[data-label],
    #tab-assigned tbody td[data-label],
    #tab-cards tbody td[data-label],
    #tab-logs tbody td[data-label] {
        display: flex;
        justify-content: space-between;
        align-items: flex-start;
        gap: 12px;
        padding: 6px 0;
        border: none;
        font-size: 13px;
        min-height: 28px;
    }
    #tab-accounts tbody td[data-label]::before,
    #tab-assigned tbody td[data-label]::before,
    #tab-cards tbody td[data-label]::before,
    #tab-logs tbody td[data-label]::before {
        content: attr(data-label);
        flex: 0 0 auto;
        color: var(--text-muted);
        font-size: 12px;
        font-weight: 500;
        line-height: 1.8;
    }
    /* 操作日志：详情字段通常较长，改成纵向（标签在上、内容在下）以避免挤压 */
    #tab-logs tbody td[data-label="详情"] {
        flex-direction: column;
        align-items: stretch;
    }
    #tab-logs tbody td[data-label="详情"]::before {
        margin-bottom: 4px;
    }
    #tab-cards tbody td[data-label] > *,
    #tab-logs tbody td[data-label] > * {
        text-align: right;
        min-width: 0;
    }
    #tab-logs tbody td[data-label="详情"] {
        text-align: left;
    }

    #tab-accounts tbody td[colspan],
    #tab-assigned tbody td[colspan],
    #tab-cards tbody td[colspan],
    #tab-logs tbody td[colspan] {
        display: block;
        padding: 24px 0;
        text-align: center;
    }

    /* 分页按钮不要挤在一行 */
    .pagination { row-gap: 6px; }

    #tab-accounts .account-table-scroll,
    #tab-assigned .account-table-scroll {
        overflow: visible;
        padding-bottom: 0;
    }

    #tab-accounts tbody tr,
    #tab-assigned tbody tr {
        position: relative;
        padding: 13px 14px;
        background: #ffffff;
        border: none;
        border-radius: 8px;
        box-shadow: 0 8px 24px rgba(24, 24, 27, 0.06);
    }

    #tab-accounts tbody tr:hover,
    #tab-assigned tbody tr:hover {
        background: #ffffff;
    }

    #tab-accounts tbody tr:has(td[colspan]),
    #tab-assigned tbody tr:has(td[colspan]) {
        padding: 0;
        background: transparent;
        box-shadow: none;
    }

    #tab-accounts tbody td[data-label],
    #tab-assigned tbody td[data-label] {
        display: grid;
        grid-template-columns: 78px minmax(0, 1fr);
        align-items: center;
        gap: 10px;
        padding: 5px 0;
        min-height: 26px;
    }

    #tab-accounts tbody td[data-label]::before,
    #tab-assigned tbody td[data-label]::before {
        color: var(--text-subtle);
        font-size: 11px;
        line-height: 1.4;
    }

    #tab-accounts tbody td[data-label] > *,
    #tab-assigned tbody td[data-label] > * {
        text-align: left;
        justify-self: stretch;
        min-width: 0;
    }

    #tab-accounts tbody td[data-label="选择"] {
        position: absolute;
        top: 12px;
        right: 12px;
        display: block;
        min-height: 0;
        padding: 0;
    }

    #tab-accounts tbody td[data-label="选择"]::before {
        content: none;
    }

    #tab-accounts tbody td[data-label="ID"] {
        padding-right: 36px;
    }

    #tab-accounts tbody .account-email-cell,
    #tab-assigned tbody .account-email-cell {
        display: block;
        max-width: 100%;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    #tab-accounts tbody td[data-label]:has(.k-progress-bg),
    #tab-assigned tbody td[data-label]:has(.k-progress-bg) {
        display: grid;
        grid-template-columns: 78px minmax(0, 1fr);
        align-items: center;
    }

    #tab-accounts tbody td[data-label]:has(.k-progress-bg)::before,
    #tab-assigned tbody td[data-label]:has(.k-progress-bg)::before {
        margin-bottom: 0;
    }

    #tab-accounts tbody td[data-label]:has(.k-progress-bg) > div,
    #tab-assigned tbody td[data-label]:has(.k-progress-bg) > div {
        max-width: none !important;
        width: 100%;
    }

    #tab-accounts tbody td[data-label] .k-progress-bg,
    #tab-assigned tbody td[data-label] .k-progress-bg {
        width: 100%;
    }

    #tab-accounts tbody td[data-label="操作"],
    #tab-assigned tbody td[data-label="操作"] {
        display: block;
        padding-top: 10px;
    }

    #tab-accounts tbody td[data-label="操作"]::before,
    #tab-assigned tbody td[data-label="操作"]::before {
        content: none;
    }

    #tab-accounts tbody .account-actions,
    #tab-assigned tbody .account-actions {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 7px;
        width: 100%;
    }

    #tab-accounts tbody .account-actions .ui-btn,
    #tab-assigned tbody .account-actions .ui-btn {
        justify-content: center;
        min-width: 0;
        padding-left: 8px;
        padding-right: 8px;
    }
}

@media (max-width: 640px) {
    #tab-dashboard .k-card-body {
        overflow-x: visible !important;
    }

    #tab-dashboard table,
    #tab-dashboard tbody,
    #tab-dashboard tr,
    #tab-dashboard td {
        display: block;
        width: 100%;
        min-width: 0;
    }

    #tab-dashboard thead {
        display: none;
    }

    #tab-dashboard tbody tr {
        padding: 11px 16px;
        border-bottom: 1px solid var(--border);
        background: var(--bg-surface);
    }

    #tab-dashboard tbody tr:last-child {
        border-bottom: none;
    }

    #tab-dashboard tbody td {
        padding: 0;
        border: none;
    }

    #tab-dashboard .recent-action {
        color: var(--text-main);
        font-weight: 700;
        white-space: nowrap !important;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    #tab-dashboard .recent-detail {
        margin-top: 4px;
        line-height: 1.45;
        overflow-wrap: anywhere;
        word-break: break-word;
    }

    #tab-dashboard .recent-time {
        margin-top: 5px;
        font-size: 11px !important;
    }

    #tab-accounts .k-card-header {
        align-items: stretch;
    }

    #tab-accounts .k-card-header > div {
        display: grid !important;
        grid-template-columns: repeat(4, minmax(0, 1fr));
        gap: 6px !important;
        width: 100%;
        flex-wrap: nowrap;
    }

    #tab-accounts .k-card-header .ui-btn,
    #tab-accounts .k-card-header .k-dropdown {
        width: 100%;
        min-width: 0;
        flex: 0 1 auto;
    }

    #tab-accounts .k-card-header .ui-btn-sm,
    #tab-accounts .k-card-header .k-dropdown-trigger {
        min-height: 30px;
        height: 30px;
        padding-left: 6px;
        padding-right: 6px;
        font-size: 10.5px;
    }

    #tab-accounts .k-card-header .k-dropdown-trigger.ui-btn {
        padding-right: 18px;
    }

    #tab-accounts .k-card-header .k-dropdown-trigger.ui-btn::after {
        right: 6px;
    }

    #tab-accounts tbody td[data-label],
    #tab-assigned tbody td[data-label] {
        grid-template-columns: 64px minmax(0, 1fr);
        gap: 8px;
    }

    #tab-accounts tbody td[data-label]:has(.k-progress-bg),
    #tab-assigned tbody td[data-label]:has(.k-progress-bg) {
        grid-template-columns: 64px minmax(0, 1fr);
    }

    #tab-accounts .account-subscription-cell .subscription-badge,
    #tab-assigned .account-subscription-cell .subscription-badge {
        justify-self: start !important;
        width: auto;
        max-width: 100%;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    #tab-accounts .account-usage-cell > div:first-child,
    #tab-assigned .account-usage-cell > div:first-child {
        grid-column: 2;
        max-width: none !important;
        width: 100%;
    }

    #tab-accounts .account-usage-cell .k-progress-bg,
    #tab-assigned .account-usage-cell .k-progress-bg {
        grid-column: 2;
        width: 100%;
        min-width: 0;
    }

    #tab-accounts .account-action-cell,
    #tab-assigned .account-action-cell {
        display: block !important;
        padding-top: 10px;
    }

    #tab-accounts .account-action-cell::before,
    #tab-assigned .account-action-cell::before {
        content: none !important;
    }

    #tab-settings .k-card-header {
        flex-direction: row;
        align-items: center;
    }

    #tab-settings .k-card-title {
        flex: 1 1 auto;
    }

    #tab-settings .k-card-header .ui-btn {
        flex: 0 0 auto;
        width: auto;
        margin-left: auto;
    }

    .account-info-modal {
        padding: 10px;
    }

    .account-info-modal .modal-content {
        width: 100%;
        max-width: 100%;
        max-height: calc(100dvh - 20px);
    }

    .account-info-modal .modal-body {
        padding: 14px;
    }

    .account-info-modal .account-detail-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 6px;
    }

    .account-info-modal .account-detail-row {
        padding: 9px 10px;
    }

    .account-info-modal .account-detail-row span {
        margin-bottom: 3px;
        font-size: 10.5px;
    }

    .account-info-modal .account-detail-row strong {
        font-size: 12px;
    }

    .account-info-modal .account-detail-section {
        margin-top: 14px;
    }

    .account-info-modal .model-list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 6px;
    }

    .account-info-modal .model-item {
        align-items: center;
        gap: 6px;
        padding: 7px;
        box-shadow: none;
    }

    .account-info-modal .model-icon {
        width: 20px;
        height: 20px;
        flex-basis: 20px;
    }

    .account-info-modal .model-title span {
        font-size: 11px;
    }

    .account-info-modal .model-id {
        font-size: 10px;
    }

    .account-info-modal .model-desc,
    .account-info-modal .model-params {
        display: none;
    }

    .card-log-modal {
        padding: 10px;
    }

    .card-log-content {
        width: 100%;
        max-width: 100% !important;
        max-height: calc(100dvh - 20px);
    }

    .card-log-body {
        max-height: none;
        overflow-x: hidden !important;
        overflow-y: auto;
    }

    .card-log-table,
    .card-log-table tbody,
    .card-log-table tr,
    .card-log-table td {
        display: block;
        width: 100%;
        min-width: 0;
    }

    .card-log-table thead {
        display: none;
    }

    .card-log-table tr {
        padding: 12px 14px;
        border-bottom: 1px solid var(--border);
    }

    .card-log-table tr:last-child {
        border-bottom: none;
    }

    .card-log-table td {
        display: grid;
        grid-template-columns: 70px minmax(0, 1fr);
        gap: 8px;
        padding: 3px 0;
        border: none;
        white-space: normal !important;
        overflow-wrap: anywhere;
        word-break: break-word;
    }

    .card-log-table td::before {
        content: attr(data-label);
        color: var(--text-muted);
        font-size: 11px;
        font-family: inherit;
    }

    .card-log-action,
    .card-log-time {
        white-space: nowrap !important;
        overflow: hidden;
        text-overflow: ellipsis;
    }
}