@media (max-width: 1023px) {
    body.app-body {
        background: var(--app-bg);
        --mobile-main-gap: 0.75rem;
        --mobile-main-padding-x: 0.75rem;
        --mobile-main-padding-top: 0.75rem;
        --mobile-main-padding-bottom: 0.75rem;
        --mobile-toolbar-padding-top: 0.55rem;
        --mobile-toolbar-padding-x: 0.65rem;
        --mobile-toolbar-padding-bottom: 0.6rem;
        --mobile-search-row-gap: 0.45rem;
        --mobile-search-control-height: 2.625rem;
        --mobile-search-mode-min-width: 4.7rem;
        --mobile-search-mode-padding-x: 0.7rem;
        --mobile-search-mode-font-size: 0.78rem;
        --mobile-table-min-width: 34rem;
        --mobile-table-cell-max-width: 7rem;
        --mobile-table-cell-padding-y: 0.72rem;
        --mobile-table-cell-padding-x: 0.55rem;
        --mobile-table-cell-font-size: 0.79rem;
        --mobile-overview-hero-gap: 0.75rem;
        --mobile-overview-eyebrow-font-size: 0.68rem;
        --mobile-overview-title-font-size: 1.05rem;
        --mobile-overview-title-margin-top: 0.25rem;
        --mobile-overview-padding-inline: 0;
        --mobile-stat-card-padding-y: 0.75rem;
        --mobile-stat-card-padding-x: 0.7rem;
        --mobile-stat-card-label-font-size: 0.68rem;
        --mobile-stat-card-value-font-size: 0.95rem;
        --mobile-compare-header-padding-y: 0.85rem;
        --mobile-compare-header-padding-x: 0.9rem;
        --mobile-compare-content-gap: 0.75rem;
        --mobile-compare-cell-padding-y: 0.7rem;
        --mobile-compare-cell-padding-x: 0.65rem;
        --mobile-compare-cell-font-size: 0.76rem;
        --mobile-compare-pagination-gap: 0.5rem;
    }

    .dark body.app-body {
        background:
            radial-gradient(circle at top left, rgba(59, 130, 246, 0.12), transparent 24%),
            linear-gradient(180deg, rgba(15, 23, 42, 0.96), rgba(2, 8, 23, 1)),
            var(--app-bg);
    }

    .app-shell {
        padding: 0;
        gap: 0;
    }

    .app-main {
        gap: var(--mobile-main-gap);
        padding:
            var(--mobile-main-padding-top)
            var(--mobile-main-padding-x)
            var(--mobile-main-padding-bottom);
    }

    .top-toolbar,
    #table-container,
    .app-footer {
        border-left: 1px solid var(--panel-border) !important;
        border-right: 1px solid var(--panel-border) !important;
        border-radius: var(--radius-lg) !important;
        box-shadow: var(--panel-shadow-soft);
        margin: 0;
    }

    .app-footer {
        margin: 0;
    }

    .mobile-overview {
        margin: 0;
        padding-inline: var(--mobile-overview-padding-inline);
        border: 1px solid var(--panel-border);
        border-radius: 1.25rem;
        background: var(--panel-bg);
        backdrop-filter: blur(16px);
    }

    .dark .mobile-overview {
        border-color: rgba(148, 163, 184, 0.16);
        background: rgba(15, 23, 42, 0.9);
    }

    .mobile-selection-bar {
        display: grid;
        width: auto;
        margin: 0;
        gap: 0.55rem;
        padding: 0.65rem 0.65rem calc(0.7rem + env(safe-area-inset-bottom));
        border: 1px solid rgba(148, 163, 184, 0.16);
        border-radius: 1.1rem;
        background: rgba(255, 255, 255, 0.96);
        backdrop-filter: blur(16px);
        box-shadow: 0 -12px 24px -24px rgba(15, 23, 42, 0.24);
    }

    .dark .mobile-selection-bar {
        border-color: rgba(148, 163, 184, 0.16);
        background: rgba(15, 23, 42, 0.96);
        box-shadow: 0 -16px 28px -24px rgba(2, 6, 23, 0.72);
    }

    .mobile-selection-bar.hidden {
        display: none;
    }

    .mobile-selection-bar__meta {
        display: none;
    }

    .mobile-selection-bar__value {
        font-size: 0.8rem;
    }

    .mobile-selection-bar__actions {
        display: grid;
        grid-template-columns: repeat(4, minmax(0, 1fr));
        gap: 0.45rem;
        width: 100%;
    }

    .mobile-selection-btn {
        display: inline-flex;
        flex-direction: row;
        align-items: center;
        justify-content: center;
        gap: 0.35rem;
        min-height: 2.85rem;
        width: 100%;
        padding: 0.4rem 0.35rem;
        border-radius: 0.9rem;
        border: 1px solid rgba(148, 163, 184, 0.22);
        background: rgba(255, 255, 255, 0.94);
        font-size: 0.72rem;
        font-weight: 600;
        color: var(--foreground);
    }

    .mobile-selection-btn span {
        line-height: 1;
        white-space: nowrap;
    }

    .dark .mobile-selection-btn {
        background: rgba(15, 23, 42, 0.9);
        border-color: rgba(148, 163, 184, 0.2);
    }

    .mobile-selection-btn--primary {
        border-color: rgba(148, 163, 184, 0.16);
        background: var(--secondary);
    }

    body.app-body #sidebar {
        border-top-left-radius: 0 !important;
        border-bottom-left-radius: 0 !important;
        border-top-right-radius: var(--radius-lg) !important;
        border-bottom-right-radius: var(--radius-lg) !important;
    }

    body.app-body .top-toolbar,
    body.app-body #table-container,
    body.app-body .app-footer {
        border-radius: var(--radius-lg) !important;
        border-left: 1px solid var(--panel-border) !important;
        border-right: 1px solid var(--panel-border) !important;
    }

    .dark body.app-body .top-toolbar,
    .dark body.app-body #table-container,
    .dark body.app-body .app-footer {
        border-color: rgba(148, 163, 184, 0.16) !important;
    }

    #sidebar-backdrop {
        inset: 0;
        z-index: 39;
        background: rgba(15, 23, 42, 0.42);
        backdrop-filter: blur(6px);
        -webkit-backdrop-filter: blur(6px);
    }

    #sidebar {
        z-index: 40;
    }

    body.app-body .top-toolbar .search-row {
        display: grid !important;
        grid-template-columns: minmax(0, 1fr) auto !important;
        align-items: center !important;
        margin-top: 0;
        gap: var(--mobile-search-row-gap);
        column-gap: var(--mobile-search-row-gap);
    }

    body.app-body .top-toolbar .search-row > .search-shell,
    body.app-body .top-toolbar .search-row > #search-mode-btn {
        height: var(--mobile-search-control-height) !important;
        min-height: var(--mobile-search-control-height) !important;
        max-height: var(--mobile-search-control-height) !important;
        margin: 0 !important;
        align-self: center !important;
        box-sizing: border-box !important;
    }

    body.app-body .top-toolbar .search-shell {
        display: flex !important;
        align-items: center;
        flex: 1 1 auto;
        padding: 0;
        background: #f7f9fc;
        border: 1px solid rgba(148, 163, 184, 0.16);
        border-radius: var(--radius-sm) !important;
        box-sizing: border-box;
    }

    .dark body.app-body .top-toolbar .search-shell {
        background: rgba(15, 23, 42, 0.88);
        border-color: rgba(148, 163, 184, 0.18);
    }

    body.app-body .top-toolbar #search-input {
        height: 100%;
        min-height: 100%;
        padding-left: 2.1rem;
        padding-right: 0.7rem;
        border: 0 !important;
        border-radius: inherit !important;
        font-size: 0.9rem;
        background: transparent;
        box-sizing: border-box;
        line-height: 1;
        box-shadow: none;
    }

    .dark body.app-body .top-toolbar #search-input {
        color: var(--foreground);
    }

    .dark body.app-body .top-toolbar #search-input::placeholder {
        color: var(--muted-foreground);
    }

    body.app-body .top-toolbar #search-mode-btn {
        min-width: var(--mobile-search-mode-min-width);
        padding-inline: var(--mobile-search-mode-padding-x);
        border: 1px solid rgba(148, 163, 184, 0.16);
        font-size: var(--mobile-search-mode-font-size);
        white-space: nowrap;
        box-sizing: border-box;
        line-height: 1;
    }

    .dark body.app-body .top-toolbar #search-mode-btn {
        border-color: rgba(148, 163, 184, 0.18);
        background: rgba(30, 41, 59, 0.9);
        color: var(--foreground);
    }

    body.app-body .data-viewport {
        padding-bottom: 0;
    }

    body.app-body #data-table {
        min-width: max(100%, var(--mobile-table-min-width));
    }

    body.app-body #data-table thead th {
        font-size: 0.68rem;
        letter-spacing: 0.02em;
    }

    body.app-body #data-table th,
    body.app-body #data-table td {
        padding: var(--mobile-table-cell-padding-y) var(--mobile-table-cell-padding-x);
        max-width: var(--mobile-table-cell-max-width);
        font-size: var(--mobile-table-cell-font-size);
    }

    .mobile-overview__hero {
        display: flex;
        align-items: flex-start;
        justify-content: space-between;
        gap: var(--mobile-overview-hero-gap);
    }

    .mobile-overview__eyebrow {
        margin: 0;
        font-size: var(--mobile-overview-eyebrow-font-size);
        letter-spacing: 0.08em;
        text-transform: uppercase;
        color: var(--muted-foreground);
    }

    .mobile-overview__title {
        margin: var(--mobile-overview-title-margin-top) 0 0;
        font-size: var(--mobile-overview-title-font-size);
        font-weight: 700;
        line-height: 1.25;
        word-break: break-word;
    }

    .mobile-stat-card {
        display: grid;
        gap: 0.25rem;
        padding: var(--mobile-stat-card-padding-y) var(--mobile-stat-card-padding-x);
        border: 1px solid rgba(148, 163, 184, 0.16);
        background: rgba(255, 255, 255, 0.72);
    }

    .dark .mobile-stat-card {
        background: rgba(15, 23, 42, 0.76);
    }

    .mobile-stat-card__label {
        font-size: var(--mobile-stat-card-label-font-size);
        color: var(--muted-foreground);
    }

    .mobile-stat-card__value {
        font-size: var(--mobile-stat-card-value-font-size);
        font-weight: 700;
        line-height: 1.2;
    }

}

@media (max-width: 768px) {
    body.app-body {
        background: linear-gradient(180deg, #f6f8fc 0%, #eef3f9 100%);
        --mobile-main-gap: 0.6rem;
        --mobile-main-padding-x: 0.55rem;
        --mobile-main-padding-top: 0.6rem;
        --mobile-main-padding-bottom: 0.7rem;
        --mobile-toolbar-padding-top: 0.55rem;
        --mobile-toolbar-padding-x: 0.65rem;
        --mobile-toolbar-padding-bottom: 0.6rem;
        --mobile-search-row-gap: 0.45rem;
        --mobile-search-control-height: 2.625rem;
        --mobile-search-mode-min-width: 4.7rem;
        --mobile-search-mode-padding-x: 0.7rem;
        --mobile-search-mode-font-size: 0.78rem;
        --mobile-table-min-width: 34rem;
        --mobile-table-cell-max-width: 7rem;
        --mobile-table-cell-padding-y: 0.72rem;
        --mobile-table-cell-padding-x: 0.55rem;
        --mobile-table-cell-font-size: 0.79rem;
    }

    .dark body.app-body {
        background:
            radial-gradient(circle at top left, rgba(59, 130, 246, 0.12), transparent 24%),
            linear-gradient(180deg, rgba(15, 23, 42, 0.96), rgba(2, 8, 23, 1)),
            var(--app-bg);
    }

    #toast-container {
        top: calc(0.75rem + env(safe-area-inset-top));
        right: 0.75rem;
        bottom: auto;
        left: 0.75rem;
    }

    .toast {
        width: 100%;
    }

    body.app-body .app-main {
        overflow: hidden;
    }

    body.app-body .top-toolbar {
        padding:
            var(--mobile-toolbar-padding-top)
            var(--mobile-toolbar-padding-x)
            var(--mobile-toolbar-padding-bottom);
        border: 1px solid rgba(148, 163, 184, 0.16);
        background: rgba(255, 255, 255, 0.96);
        box-shadow: 0 14px 28px -24px rgba(15, 23, 42, 0.18);
    }

    .dark body.app-body .top-toolbar {
        border-color: rgba(148, 163, 184, 0.16);
        background: rgba(15, 23, 42, 0.96);
        box-shadow: 0 18px 32px -26px rgba(2, 6, 23, 0.72);
    }

    body.app-body .top-toolbar > div {
        gap: 0.5rem;
    }

    body.app-body .top-toolbar > div > div:first-child {
        min-height: 2.1rem;
        padding-inline: 0.05rem;
    }

    body.app-body .top-toolbar h1 {
        font-size: 0.98rem;
        line-height: 1.1;
    }

    body.app-body .top-toolbar #menu-toggle {
        display: inline-flex !important;
        align-items: center !important;
        justify-content: center !important;
        width: 2.1rem;
        height: 2.1rem;
        padding: 0;
        line-height: 0 !important;
    }

    body.app-body .top-toolbar #menu-toggle svg {
        display: block;
        margin: 0;
    }

    .dark body.app-body .top-toolbar .search-shell {
        background: rgba(15, 23, 42, 0.88);
        border-color: rgba(148, 163, 184, 0.18);
    }

    .dark body.app-body .top-toolbar #search-input {
        color: var(--foreground);
    }

    .dark body.app-body .top-toolbar #search-input::placeholder {
        color: var(--muted-foreground);
    }

    .dark body.app-body .top-toolbar #search-mode-btn {
        border-color: rgba(148, 163, 184, 0.18);
        background: rgba(30, 41, 59, 0.9);
        color: var(--foreground);
    }

    .dark .mobile-selection-bar {
        border-color: rgba(148, 163, 184, 0.16);
        background: rgba(15, 23, 42, 0.96);
        box-shadow: 0 -16px 28px -24px rgba(2, 6, 23, 0.72);
    }

    body.app-body .app-footer,
    body.app-body footer.app-footer {
        justify-content: center !important;
        padding-inline: 0.75rem;
    }

    .dark body.app-body .app-footer,
    .dark body.app-body footer.app-footer {
        background: rgba(15, 23, 42, 0.96);
        border-color: rgba(148, 163, 184, 0.16);
        box-shadow: 0 18px 28px -24px rgba(2, 6, 23, 0.72);
    }

    body.app-body .app-footer > #pagination-info,
    body.app-body footer.app-footer > #pagination-info {
        display: none !important;
    }

    body.app-body .app-footer > .footer-controls,
    body.app-body footer.app-footer > .footer-controls {
        justify-content: center !important;
        width: auto;
        max-width: 100%;
        margin-inline: auto;
    }

}

@media (max-width: 480px) {
    body.app-body .app-main {
        --mobile-main-padding-x: 0.45rem;
        --mobile-main-padding-top: 0.55rem;
        --mobile-main-padding-bottom: 0.6rem;
        --mobile-toolbar-padding-top: 0.5rem;
        --mobile-toolbar-padding-x: 0.55rem;
        --mobile-toolbar-padding-bottom: 0.55rem;
        --mobile-search-row-gap: 0.4rem;
        --mobile-search-mode-min-width: 4.45rem;
        --mobile-search-mode-padding-x: 0.62rem;
        --mobile-search-mode-font-size: 0.74rem;
        --mobile-table-min-width: 31rem;
        --mobile-table-cell-max-width: 6.4rem;
        --mobile-table-cell-padding-y: 0.66rem;
        --mobile-table-cell-padding-x: 0.48rem;
        --mobile-table-cell-font-size: 0.76rem;
        --mobile-overview-padding-inline: 0.7rem;
    }
}

@media (max-width: 640px) {
    ::-webkit-scrollbar {
        width: 6px;
        height: 6px;
    }

    ::-webkit-scrollbar-track {
        background: rgba(148, 163, 184, 0.12);
    }

    ::-webkit-scrollbar-thumb {
        background: rgba(100, 116, 139, 0.55);
        border-radius: 999px;
    }

    body.drag-over::after {
        border-width: 3px;
        font-size: 0.875rem;
    }

    .bg-yellow-200 {
        padding: 0 2px;
        border-radius: 2px;
    }
}

@media (hover: none) and (pointer: coarse) {
    .sheet-item {
        min-height: 44px;
        display: flex;
        align-items: center;
    }

    button,
    [role="button"],
    input[type="checkbox"],
    input[type="radio"] {
        min-height: 44px;
        min-width: 44px;
    }

    .sheet-item:hover {
        background-color: transparent;
    }

    .sheet-item:active {
        background-color: var(--secondary);
    }

    #data-table tbody tr:active {
        background-color: var(--accent);
    }
}