:root {
    --app-font-scale: 1;
    --app-font-sans: Aptos, "Noto Sans TC", "Microsoft JhengHei", "Segoe UI", sans-serif;
    --app-font-mono: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
    --app-background: #eef1ed;
    --app-surface: #ffffff;
    --app-surface-subtle: #f5f7f4;
    --app-surface-raised: #ffffff;
    --app-text: #1b2738;
    --app-muted: #637083;
    --app-faint: #8b96a5;
    --app-border: #d9dfdc;
    --app-border-strong: #bcc7c2;
    --app-primary: #186f65;
    --app-primary-hover: #115c54;
    --app-primary-contrast: #ffffff;
    --app-primary-soft: #e5f3ef;
    --app-primary-border: #a9d6cd;
    --app-success: #18734b;
    --app-success-soft: #e6f4ed;
    --app-warning: #9a640d;
    --app-warning-soft: #fff3da;
    --app-error: #b23a3a;
    --app-error-soft: #fbeaea;
    --app-info: #286aa6;
    --app-info-soft: #e7f1fa;
    --app-sidebar: #f5f7f4;
    --app-sidebar-muted: #637083;
    --app-shell-text: #1b2738;
    --app-shell-muted: #637083;
    --app-shell-border: #d9dfdc;
    --app-nav-active: #e5f3ef;
    --app-nav-accent: #186f65;
    --app-loading-scrim: rgb(238 241 237 / 84%);
    --app-focus-ring: #186f65;
    --app-shadow-dialog: 0 18px 48px rgb(23 36 52 / 24%);
    --app-radius-control: 6px;
    --app-radius-panel: 10px;
    --app-radius-dialog: 14px;
}

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

html.theme-dark {
    --app-background: #0d151c;
    --app-surface: #151f28;
    --app-surface-subtle: #1b2731;
    --app-surface-raised: #202d38;
    --app-text: #edf4f2;
    --app-muted: #a7b6bf;
    --app-faint: #7f909b;
    --app-border: #30404b;
    --app-border-strong: #455862;
    --app-primary: #64c6b7;
    --app-primary-hover: #7ed8ca;
    --app-primary-contrast: #09221f;
    --app-primary-soft: #193a37;
    --app-primary-border: #356f67;
    --app-success: #66c995;
    --app-success-soft: #17382b;
    --app-warning: #f1bc60;
    --app-warning-soft: #3b2f1a;
    --app-error: #f08d8d;
    --app-error-soft: #402427;
    --app-info: #82bbed;
    --app-info-soft: #1d3348;
    --app-sidebar: #101923;
    --app-sidebar-muted: #a7b6bf;
    --app-shell-text: #edf4f2;
    --app-shell-muted: #a7b6bf;
    --app-shell-border: #30404b;
    --app-nav-active: #193a37;
    --app-nav-accent: #64c6b7;
    --app-loading-scrim: rgb(13 21 28 / 84%);
    --app-focus-ring: #7ed8ca;
}

html[data-font-size="large"] {
    --app-font-scale: 1.12;
}

html[data-font-size="xlarge"] {
    --app-font-scale: 1.25;
}

html,
body,
.mud-typography,
.mud-input,
.mud-button-root,
.mud-table,
.mud-list-item,
.mud-nav-link {
    font-family: var(--app-font-sans);
}

body {
    font-size: calc(14px * var(--app-font-scale));
    line-height: 1.55;
}

.mud-typography-body1,
.mud-typography-body2,
.mud-input-control,
.mud-button-label,
.mud-table-cell,
.mud-nav-link-text {
    font-size: calc(1em * var(--app-font-scale));
}

code,
kbd,
pre,
.app-mono {
    font-family: var(--app-font-mono);
}

:where(a, button, input, select, textarea, [tabindex]):focus-visible {
    outline: 3px solid var(--app-focus-ring);
    outline-offset: 2px;
}

.mud-paper {
    border-color: var(--app-border);
}

.mud-button-root,
.mud-icon-button,
.mud-input-control {
    min-height: 40px;
}

.app-touch-target {
    min-width: 44px;
    min-height: 44px;
}

.app-page-scroll {
    min-width: 0;
    min-height: 100%;
    overflow: visible;
}

.app-horizontal-scroll {
    width: 100%;
    min-width: 0;
    overflow-x: auto;
    overflow-y: visible;
    scrollbar-width: thin;
}

.app-page-shell {
    width: 100%;
    min-width: 0;
    margin-inline: auto;
    padding: clamp(16px, 2.4vw, 32px);
}

.app-page-shell--default {
    max-width: 1600px;
}

.app-page-shell--wide {
    max-width: none;
}

.app-page-shell--workspace {
    max-width: none;
}

.app-page-shell--public {
    max-width: 640px;
    display: grid;
    align-content: center;
    min-height: calc(100vh - 56px);
}

.app-page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 20px;
}

.app-page-header__copy {
    min-width: 0;
    max-width: 920px;
}

.app-page-header__breadcrumbs {
    margin-bottom: 6px;
    padding: 0;
    color: var(--app-primary);
}

.app-page-header__title-row {
    flex-wrap: wrap;
}

.app-page-header h1,
.app-page-header .mud-typography-h1 {
    color: var(--app-text);
    font-size: calc(30px * var(--app-font-scale));
    font-weight: 720;
    line-height: 1.18;
    letter-spacing: -0.025em;
}

.app-page-header__description {
    max-width: 780px;
    margin-top: 7px;
    color: var(--app-muted);
    line-height: 1.65;
}

.app-page-header__actions {
    flex: 0 0 auto;
}

.app-context-banner {
    display: flex;
    align-items: center;
    gap: 12px;
    min-height: 48px;
    margin-bottom: 16px;
    padding: 10px 14px;
    border: 1px solid var(--app-border);
    border-left-width: 4px;
    border-radius: 8px;
    background: var(--app-surface-subtle);
    color: var(--app-text);
}

.app-context-banner__content {
    min-width: 0;
    display: grid;
    gap: 2px;
}

.app-context-banner__content span {
    color: var(--app-muted);
}

.app-context-banner.app-status--info,
.app-context-banner.app-status--processing {
    border-left-color: var(--app-info);
    background: var(--app-info-soft);
}

.app-context-banner.app-status--success {
    border-left-color: var(--app-success);
    background: var(--app-success-soft);
}

.app-context-banner.app-status--warning {
    border-left-color: var(--app-warning);
    background: var(--app-warning-soft);
}

.app-context-banner.app-status--error {
    border-left-color: var(--app-error);
    background: var(--app-error-soft);
}

.app-state {
    display: grid;
    justify-items: center;
    gap: 12px;
    width: 100%;
    min-height: 220px;
    align-content: center;
    padding: 32px;
    border: 1px dashed var(--app-border-strong);
    border-radius: var(--app-radius-panel);
    background: var(--app-surface);
    color: var(--app-muted);
    text-align: center;
}

.app-state__supporting {
    max-width: 560px;
    color: var(--app-muted);
}

.app-state--bootstrap,
.app-state--content {
    min-height: 280px;
}

.app-state--siteswitch {
    min-height: 0;
    width: min(520px, calc(100% - 32px));
    padding: 24px;
    border-style: solid;
    box-shadow: var(--app-shadow-dialog);
}

.app-state__correlation {
    padding: 6px 9px;
    border-radius: 5px;
    background: var(--app-surface-subtle);
    overflow-wrap: anywhere;
}

.app-status-chip {
    width: fit-content;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    min-height: 26px;
    padding: 3px 8px;
    border-radius: 999px;
    background: var(--app-surface-subtle);
    color: var(--app-muted);
    font-size: calc(12px * var(--app-font-scale));
    font-weight: 700;
    white-space: nowrap;
}

.app-status-chip.app-status--success {
    background: var(--app-success-soft);
    color: var(--app-success);
}

.app-status-chip.app-status--warning {
    background: var(--app-warning-soft);
    color: var(--app-warning);
}

.app-status-chip.app-status--error {
    background: var(--app-error-soft);
    color: var(--app-error);
}

.app-status-chip.app-status--info,
.app-status-chip.app-status--processing {
    background: var(--app-info-soft);
    color: var(--app-info);
}

.app-filter-bar {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    padding: 12px;
    border: 1px solid var(--app-border);
    border-radius: var(--app-radius-panel);
    background: var(--app-surface-subtle);
}

.app-filter-bar__search {
    flex: 1 1 280px;
    max-width: 460px;
}

.app-filter-bar__filters {
    min-width: 0;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}

.app-selection-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 10px 14px;
    border: 1px solid var(--app-primary-border);
    background: var(--app-primary-soft);
}

.app-selection-bar > div:first-child {
    display: grid;
}

.app-selection-bar span {
    color: var(--app-muted);
    font-size: calc(12px * var(--app-font-scale));
}

.app-action-menu__danger {
    color: var(--app-error) !important;
}

.app-data-panel {
    min-width: 0;
    overflow: hidden;
    border-color: var(--app-border) !important;
    border-radius: var(--app-radius-panel) !important;
    background: var(--app-surface) !important;
}

.app-data-panel__header {
    padding: 16px 18px;
    border-bottom: 1px solid var(--app-border);
}

.app-data-panel__description {
    color: var(--app-muted);
}

.app-data-panel__body {
    min-width: 0;
    padding: 18px;
}

.app-data-panel--flush .app-data-panel__body {
    padding: 0;
}

.app-data-panel__footer {
    padding: 12px 18px;
    border-top: 1px solid var(--app-border);
    background: var(--app-surface-subtle);
}

.app-data-panel--bounded-list {
    --app-list-viewport-height: clamp(420px, calc(100dvh - 360px), 720px);
}

.app-data-panel--bounded-list .mud-table-container {
    height: var(--app-list-viewport-height);
    max-height: var(--app-list-viewport-height);
    overflow-y: auto;
    overscroll-behavior: contain;
    scrollbar-width: thin;
}

.app-standard-pager {
    width: 100%;
    min-width: 0;
    font-variant-numeric: tabular-nums;
}

.app-standard-pager .mud-table-pagination-toolbar {
    width: 100%;
    min-height: 52px;
    justify-content: flex-end;
    align-items: center;
    gap: 8px;
}

.app-standard-pager .mud-table-pagination-select {
    min-width: 64px;
}

.app-standard-pager .mud-table-pagination-caption,
.app-standard-pager .mud-table-pagination-display {
    line-height: 1.4;
    white-space: nowrap;
}

.app-site-guard {
    position: relative;
    display: block;
    min-width: 0;
    min-height: 200px;
}

.app-site-guard--standalone {
    width: min(960px, calc(100% - 32px));
    margin: clamp(16px, 3vw, 36px) auto;
}

.app-site-guard__content {
    min-width: 0;
    opacity: 0.42;
    filter: saturate(0.7);
    pointer-events: none;
    user-select: none;
}

.app-site-guard__overlay {
    position: absolute;
    inset: 0;
    z-index: 10;
    display: grid;
    place-items: start center;
    min-height: 320px;
    padding-top: clamp(32px, 9vh, 96px);
    background: var(--app-loading-scrim);
    pointer-events: auto;
}

.app-bootstrap {
    min-height: 100dvh;
    display: grid;
    place-items: center;
    padding: 24px;
    background: var(--app-background);
    color: var(--app-text);
}

.app-bootstrap__panel {
    width: min(520px, 100%);
    display: grid;
    justify-items: center;
    gap: 12px;
    padding: 32px;
    border: 1px solid var(--app-border);
    border-radius: var(--app-radius-dialog);
    background: var(--app-surface);
    text-align: center;
    box-shadow: 0 14px 36px rgb(23 36 52 / 10%);
}

.app-bootstrap__panel strong {
    font-size: calc(20px * var(--app-font-scale));
}

.app-bootstrap__panel > span:last-child {
    color: var(--app-muted);
}

.app-bootstrap__spinner {
    width: 42px;
    height: 42px;
    border: 4px solid var(--app-primary-soft);
    border-top-color: var(--app-primary);
    border-radius: 50%;
    animation: app-spin 800ms linear infinite;
}

.app-site-selector__input {
    min-width: 200px;
    color: var(--app-shell-text);
}

@keyframes app-spin {
    to { transform: rotate(360deg); }
}

.app-dialog-layout {
    width: min(var(--app-dialog-width, 760px), calc(100vw - 32px));
    max-height: min(860px, calc(100dvh - 32px));
    display: grid;
    grid-template-rows: auto minmax(0, 1fr) auto;
    overflow: hidden;
    border-radius: var(--app-radius-dialog);
    background: var(--app-surface);
    color: var(--app-text);
    box-shadow: var(--app-shadow-dialog);
}

.app-dialog-layout--compact,
.app-dialog-layout--danger {
    --app-dialog-width: 500px;
}

.app-dialog-layout--standard {
    --app-dialog-width: 760px;
}

.app-dialog-layout--picker,
.app-dialog-layout--masterdetail {
    --app-dialog-width: 960px;
}

.app-dialog-layout--wizard,
.app-dialog-layout--conflict {
    --app-dialog-width: 1100px;
}

.app-dialog-layout__header,
.app-dialog-layout__footer {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
}

.app-dialog-layout__header {
    justify-content: space-between;
    border-bottom: 1px solid var(--app-border);
}

.app-dialog-layout__header p {
    color: var(--app-muted);
}

.app-dialog-layout__content {
    min-height: 0;
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: 20px;
}

.app-dialog-layout__footer {
    border-top: 1px solid var(--app-border);
    background: var(--app-surface-subtle);
}

.app-mobile-summary-card {
    display: grid;
    gap: 12px;
    padding: 14px;
    border-radius: var(--app-radius-panel);
    background: var(--app-surface);
}

.app-mobile-summary-card > header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
}

.app-mobile-summary-card__eyebrow {
    color: var(--app-primary);
    font-size: calc(11px * var(--app-font-scale));
    font-weight: 800;
    letter-spacing: 0.08em;
}

.app-mobile-summary-card code {
    color: var(--app-muted);
    overflow-wrap: anywhere;
}

.app-mobile-summary-card__content {
    display: grid;
    gap: 8px;
}

.app-mobile-summary-card--interactive {
    cursor: pointer;
    transition: border-color 120ms ease, box-shadow 120ms ease, transform 120ms ease;
}

.app-mobile-summary-card--interactive:hover,
.app-mobile-summary-card--interactive:focus-within {
    border-color: var(--app-primary-border);
    box-shadow: 0 8px 22px rgb(23 36 52 / 12%);
}

.app-mobile-summary-card--interactive:active {
    transform: translateY(1px);
}

.app-responsive-pager {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    width: 100%;
    min-width: 0;
    padding: 10px 12px;
    border-top: 1px solid var(--app-border);
    background: var(--app-surface-subtle);
}

.app-responsive-pager__summary {
    min-width: 0;
    color: var(--app-muted);
    font-size: calc(12px * var(--app-font-scale));
    white-space: nowrap;
}

.app-responsive-pager__controls {
    min-width: 0;
}

.app-public-state-card {
    border-color: var(--app-border);
    border-radius: var(--app-radius-dialog);
    background: var(--app-surface);
    box-shadow: 0 14px 36px rgb(23 36 52 / 10%);
}

.app-surface-subtle {
    background: var(--app-surface-subtle) !important;
}

/* Existing MudDialog instances inherit the same scroll and responsive model while
   feature dialogs are migrated to AppResponsiveDialogLayout incrementally. */
.mud-dialog {
    max-width: calc(100vw - 32px) !important;
    max-height: calc(100dvh - 32px) !important;
    overflow: hidden;
    border-radius: var(--app-radius-dialog) !important;
    background: var(--app-surface);
    color: var(--app-text);
}

.mud-dialog .mud-dialog-content {
    min-height: 0;
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior: contain;
}

.mud-dialog .mud-dialog-actions {
    flex: 0 0 auto;
    border-top: 1px solid var(--app-border);
    background: var(--app-surface-subtle);
}

@media (max-width: 599.98px) {
    .app-shell__brand-compact {
        display: inline !important;
    }

    .app-shell__brand-full,
    .app-shell__brand .mud-typography-caption,
    .app-shell__account > .mud-icon-root,
    .app-shell__account .mud-typography-body2,
    .app-shell__mode-chip,
    .app-font-size-control__value {
        display: none !important;
    }

    .app-font-size-control {
        min-width: 44px !important;
        padding-inline: 6px !important;
    }

    .mud-button-root,
    .mud-icon-button,
    .mud-input-control {
        min-height: 44px;
    }

    .app-page-shell {
        padding: 14px;
    }

    .app-responsive-pager {
        align-items: stretch;
        flex-direction: column;
        padding: 10px;
    }

    .app-responsive-pager__summary {
        white-space: normal;
    }

    .app-responsive-pager__controls {
        justify-content: space-between;
    }

    .app-data-panel--bounded-list {
        --app-list-viewport-height: clamp(320px, 58dvh, 560px);
    }

    .app-standard-pager .mud-table-pagination-toolbar {
        min-height: 92px;
        display: grid;
        grid-template-columns: minmax(0, 1fr) auto auto;
        grid-template-rows: auto auto;
        justify-content: stretch;
        padding: 8px 10px;
    }

    .app-page-header {
        display: grid;
        gap: 16px;
    }

    .app-page-header h1,
    .app-page-header .mud-typography-h1 {
        font-size: calc(24px * var(--app-font-scale));
    }

    .app-page-header__actions {
        display: grid !important;
        grid-template-columns: minmax(0, 1fr);
        align-items: stretch !important;
    }

    .app-page-header__actions,
    .app-page-header__actions > *,
    .app-page-header__actions .mud-tooltip-root,
    .app-page-header__actions .mud-button-root {
        width: 100%;
    }

    .app-context-banner,
    .app-selection-bar {
        align-items: flex-start;
        flex-direction: column;
    }

    .app-dialog-layout:not(.app-dialog-layout--danger) {
        width: 100vw;
        height: 100dvh;
        max-height: 100dvh;
        border-radius: 0;
    }

    .app-dialog-layout--danger {
        width: 100vw;
        max-height: min(84dvh, 720px);
        margin-top: auto;
        border-radius: 16px 16px 0 0;
    }

    .mud-dialog {
        width: 100vw !important;
        min-width: 0 !important;
        max-width: 100vw !important;
        height: 100dvh;
        max-height: 100dvh !important;
        margin: 0;
        border-radius: 0 !important;
    }

    .app-dialog-layout__header,
    .app-dialog-layout__content,
    .app-dialog-layout__footer {
        padding-inline: 16px;
    }
}

@media (max-width: 319.98px) {
    .app-page-shell {
        padding-inline: 12px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .app-mobile-summary-card--interactive {
        transition: none;
    }
}