/* Windows 11 WinUI 3 / Fluent 2 exact theme tokens (auto dark + light matching OS theme) */
:root {
    --mica-bg: #202020;
    --card-bg: rgba(255, 255, 255, 0.0512);
    --card-stroke: rgba(0, 0, 0, 0.10);
    --card-stroke-inner: rgba(255, 255, 255, 0.0698);
    --layer-bg: rgba(58, 58, 58, 0.30);
    --control-bg: rgba(255, 255, 255, 0.0605);
    --control-hover: rgba(255, 255, 255, 0.0837);
    --control-pressed: rgba(255, 255, 255, 0.0326);
    --control-stroke: rgba(255, 255, 255, 0.093);
    --control-stroke-bottom: rgba(255, 255, 255, 0.30);
    --control-alt-tertiary: rgba(255, 255, 255, 0.0419);
    --subtle-hover: rgba(255, 255, 255, 0.0605);
    --subtle-selected: rgba(255, 255, 255, 0.08);
    --input-bg: rgba(255, 255, 255, 0.0605);
    --input-focus-bg: #1F1F1F;

    --text-primary: #FFFFFF;
    --text-secondary: rgba(255, 255, 255, 0.786);
    --text-tertiary: rgba(255, 255, 255, 0.5442);
    --text-disabled: rgba(255, 255, 255, 0.3628);

    --accent: #60CDFF;
    --accent-hover: #70D3FF;
    --accent-pressed: #4CC2FF;
    --text-on-accent: #000000;

    --status-success: #6CCB5F;
    --status-caution: #FCE100;
    --status-critical: #FF99A4;
    --status-neutral: rgba(255, 255, 255, 0.5442);

    --infobar-success-bg: #393D1B;
    --infobar-warn-bg: #433519;
    --infobar-err-bg: #442726;
    --infobar-info-bg: rgba(255, 255, 255, 0.0605);

    --divider: rgba(255, 255, 255, 0.0837);
    --font-ui: "Segoe UI Variable Text", "Segoe UI Variable", "Segoe UI", system-ui, -apple-system, sans-serif;
    --font-mono: "Cascadia Mono", Consolas, ui-monospace, monospace;
}

@media (prefers-color-scheme: light) {
    :root {
        --mica-bg: #F3F3F3;
        --card-bg: rgba(255, 255, 255, 0.70);
        --card-stroke: rgba(0, 0, 0, 0.0578);
        --card-stroke-inner: rgba(0, 0, 0, 0.0578);
        --layer-bg: rgba(255, 255, 255, 0.50);
        --control-bg: rgba(255, 255, 255, 0.70);
        --control-hover: rgba(249, 249, 249, 0.50);
        --control-pressed: rgba(249, 249, 249, 0.30);
        --control-stroke: rgba(0, 0, 0, 0.0578);
        --control-stroke-bottom: rgba(0, 0, 0, 0.4458);
        --control-alt-tertiary: rgba(0, 0, 0, 0.0578);
        --subtle-hover: rgba(0, 0, 0, 0.0373);
        --subtle-selected: rgba(0, 0, 0, 0.06);
        --input-bg: rgba(255, 255, 255, 0.70);
        --input-focus-bg: #FFFFFF;

        --text-primary: rgba(0, 0, 0, 0.8956);
        --text-secondary: rgba(0, 0, 0, 0.6063);
        --text-tertiary: rgba(0, 0, 0, 0.4458);
        --text-disabled: rgba(0, 0, 0, 0.3614);

        --accent: #005FB8;
        --accent-hover: #005FB8;
        --accent-pressed: #00529E;
        --text-on-accent: #FFFFFF;

        --status-success: #0F7B0F;
        --status-caution: #9D5D00;
        --status-critical: #C42B1C;
        --status-neutral: rgba(0, 0, 0, 0.4458);

        --infobar-success-bg: #DFF6DD;
        --infobar-warn-bg: #FFF4CE;
        --infobar-err-bg: #FDE7E9;
        --infobar-info-bg: rgba(255, 255, 255, 0.70);

        --divider: rgba(0, 0, 0, 0.0803);
    }
}

*, *::before, *::after {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    background: var(--mica-bg);
    color: var(--text-primary);
    font-family: var(--font-ui);
    font-size: 14px;
    line-height: 20px;
    -webkit-font-smoothing: antialiased;
}

.mono {
    font-family: var(--font-mono);
}

/* WinUI MainWindow + MainPage Frame */
.winui-window {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.winui-titlebar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 40px;
    padding: 0 16px;
    user-select: none;
}

.winui-titlebar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 12px;
    color: var(--text-primary);
}

.winui-titlebar-brand img {
    width: 16px;
    height: 16px;
}

/* MainPage Grid Padding="24,4,24,24" RowSpacing="12" */
.winui-page {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 4px 24px 24px;
    max-width: 1600px;
    width: 100%;
    margin: 0 auto;
}

/* WinUI Card Style (CornerRadius=8, CardBackgroundFillColorDefaultBrush, CardStrokeColorDefaultBrush) */
.winui-card {
    background: var(--card-bg);
    border: 1px solid var(--card-stroke-inner);
    border-radius: 8px;
}

.winui-layer-box {
    background: var(--layer-bg);
    border: 1px solid var(--card-stroke-inner);
    border-radius: 6px;
    padding: 12px;
}

/* Server Status Bar (MainPage.xaml Row 0) */
.status-card {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    column-gap: 16px;
    padding: 12px 16px;
}

.status-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--status-neutral);
    flex-shrink: 0;
}

.status-dot.running {
    background: var(--status-success);
}

.status-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

/* WinUI Typography Styles */
.subtitle-text {
    font-size: 20px;
    line-height: 28px;
    font-weight: 600;
    margin: 0;
}

.body-strong {
    font-size: 14px;
    line-height: 20px;
    font-weight: 600;
}

.section-header {
    font-size: 14px;
    line-height: 20px;
    font-weight: 600;
    margin: 12px 0 0 0;
}

.caption-text, .hint-text {
    font-size: 12px;
    line-height: 16px;
    color: var(--text-secondary);
    margin: 0;
}

.tertiary-text {
    font-size: 12px;
    line-height: 16px;
    color: var(--text-tertiary);
    margin: 0;
}

.caution-text {
    font-size: 12px;
    line-height: 16px;
    color: var(--status-caution);
    margin: 0;
}

/* WinUI SelectorBar */
.selector-bar {
    display: flex;
    align-items: center;
    gap: 4px;
    overflow-x: auto;
    scrollbar-width: none;
}

.selector-bar::-webkit-scrollbar {
    display: none;
}

.selector-item {
    appearance: none;
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: transparent;
    border: none;
    border-radius: 4px;
    font-family: var(--font-ui);
    font-size: 14px;
    line-height: 20px;
    color: var(--text-secondary);
    cursor: pointer;
    white-space: nowrap;
    transition: background 0.12s ease, color 0.12s ease;
}

.selector-item:hover {
    background: var(--subtle-hover);
    color: var(--text-primary);
}

.selector-item.selected {
    color: var(--text-primary);
    font-weight: 600;
}

.selector-item.selected::after {
    content: "";
    position: absolute;
    left: 12px;
    right: 12px;
    bottom: 2px;
    height: 3px;
    border-radius: 999px;
    background: var(--accent);
}

.selector-item svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

/* Split Master-Detail Grid (Column 0 = 340px, Column 1 = *, ColumnSpacing = 16) */
.master-detail {
    display: grid;
    grid-template-columns: 340px minmax(0, 1fr);
    gap: 16px;
    flex: 1;
    min-height: calc(100vh - 210px);
    align-items: stretch;
}

.master-card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    max-height: calc(100vh - 190px);
}

.detail-card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    max-height: calc(100vh - 190px);
}

.detail-scroll {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
}

.detail-placeholder {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 32px;
    text-align: center;
}

/* WinUI ListView */
.winui-listview {
    flex: 1;
    overflow-y: auto;
    padding: 4px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.winui-listitem {
    position: relative;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.1s ease;
}

.winui-listitem:hover {
    background: var(--subtle-hover);
}

.winui-listitem.selected {
    background: var(--subtle-selected);
}

.winui-listitem.selected::before {
    content: "";
    position: absolute;
    left: 0;
    top: 8px;
    bottom: 8px;
    width: 3px;
    border-radius: 999px;
    background: var(--accent);
}

.grip-icon {
    color: var(--text-tertiary);
    font-size: 14px;
    line-height: 1;
    user-select: none;
    flex-shrink: 0;
}

/* RankBadge from Styles.xaml (MinWidth=24, Height=24, CornerRadius=12) */
.rank-badge {
    min-width: 24px;
    height: 24px;
    padding: 0 6px;
    border-radius: 12px;
    background: var(--control-alt-tertiary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-primary);
    flex-shrink: 0;
}

/* WinUI Buttons */
.winui-btn {
    appearance: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-height: 32px;
    padding: 5px 12px;
    background: var(--control-bg);
    border: 1px solid var(--control-stroke);
    border-bottom-color: rgba(255, 255, 255, 0.14);
    border-radius: 4px;
    color: var(--text-primary);
    font-family: var(--font-ui);
    font-size: 14px;
    line-height: 20px;
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
}

.winui-btn:hover:not(:disabled) {
    background: var(--control-hover);
}

.winui-btn:active:not(:disabled) {
    background: var(--control-pressed);
    color: var(--text-secondary);
}

.winui-btn:disabled {
    opacity: 0.45;
    cursor: default;
}

.winui-btn-accent {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--text-on-accent);
    font-weight: 500;
}

.winui-btn-accent:hover:not(:disabled) {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
}

.winui-btn-accent:active:not(:disabled) {
    background: var(--accent-pressed);
    color: var(--text-on-accent);
}

/* IconButton from Styles.xaml */
.winui-icon-btn {
    appearance: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 4px;
    color: var(--text-primary);
    cursor: pointer;
    flex-shrink: 0;
}

.winui-icon-btn:hover:not(:disabled) {
    background: var(--subtle-hover);
}

.winui-icon-btn:disabled {
    opacity: 0.35;
    cursor: default;
}

.winui-btn svg, .winui-icon-btn svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
}

/* WinUI Inputs (TextBox, PasswordBox, NumberBox, ComboBox) */
.winui-field {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.winui-field > label {
    font-size: 14px;
    line-height: 20px;
    color: var(--text-primary);
}

.winui-input,
.winui-select,
.winui-textarea {
    width: 100%;
    min-height: 32px;
    padding: 5px 11px;
    background: var(--input-bg);
    border: 1px solid var(--control-stroke);
    border-bottom: 1px solid var(--control-stroke-bottom);
    border-radius: 4px;
    color: var(--text-primary);
    font-family: var(--font-ui);
    font-size: 14px;
    line-height: 20px;
}

.winui-select option {
    background: #2B2B2B;
    color: #FFFFFF;
}

@media (prefers-color-scheme: light) {
    .winui-select option {
        background: #FFFFFF;
        color: #111111;
    }
}

.winui-input.mono,
.winui-textarea.mono {
    font-family: var(--font-mono);
    font-size: 13px;
}

.winui-input:focus,
.winui-select:focus,
.winui-textarea:focus {
    outline: none;
    background: var(--input-focus-bg);
    border-color: var(--control-stroke);
    border-bottom: 2px solid var(--accent);
    padding-bottom: 4px;
}

/* WinUI ToggleSwitch */
.winui-toggle-block {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.winui-toggle-header {
    font-size: 14px;
    line-height: 20px;
    color: var(--text-primary);
}

.winui-switch-label {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    user-select: none;
}

.winui-switch {
    appearance: none;
    position: relative;
    width: 40px;
    height: 20px;
    margin: 0;
    border-radius: 999px;
    background: transparent;
    border: 1px solid var(--text-secondary);
    cursor: pointer;
    flex-shrink: 0;
    transition: background 0.15s ease, border-color 0.15s ease;
}

.winui-switch::after {
    content: "";
    position: absolute;
    top: 3px;
    left: 3px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--text-secondary);
    transition: transform 0.15s ease, background 0.15s ease;
}

.winui-switch:checked {
    background: var(--accent);
    border-color: var(--accent);
}

.winui-switch:checked::after {
    transform: translateX(20px);
    background: var(--text-on-accent);
}

/* WinUI CheckBox */
.winui-checkbox {
    width: 18px;
    height: 18px;
    accent-color: var(--accent);
    cursor: pointer;
    flex-shrink: 0;
}

/* WinUI ToggleButton (Shared button in ModelsView) */
.winui-toggle-btn {
    appearance: none;
    min-height: 32px;
    padding: 5px 12px;
    border-radius: 4px;
    border: 1px solid var(--control-stroke);
    background: var(--control-bg);
    color: var(--text-primary);
    font-family: var(--font-ui);
    font-size: 14px;
    cursor: pointer;
}

.winui-toggle-btn.checked {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--text-on-accent);
    font-weight: 500;
}

/* WinUI InfoBar */
.winui-infobar {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 14px;
    border-radius: 4px;
    border: 1px solid var(--card-stroke-inner);
    background: var(--infobar-info-bg);
    font-size: 14px;
}

.winui-infobar.success {
    background: var(--infobar-success-bg);
}

.winui-infobar.warning {
    background: var(--infobar-warn-bg);
}

.winui-infobar.error {
    background: var(--infobar-err-bg);
}

/* Grids matching XAML layouts */
.grid-1-2 {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
    gap: 12px;
}

.grid-1-1 {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
}

.key-row-grid {
    display: grid;
    grid-template-columns: auto auto 140px minmax(0, 1fr) auto auto auto;
    align-items: center;
    gap: 8px;
}

/* Activity Grid matching MainPage.xaml (72, 56, 2*, 2*, 2*, 72) */
.activity-header,
.activity-row-grid {
    display: grid;
    grid-template-columns: 72px 56px minmax(0, 2fr) minmax(0, 2fr) minmax(0, 2fr) 72px;
    column-gap: 12px;
    align-items: center;
}

.activity-header {
    padding: 4px 16px 4px 20px;
    border-bottom: 1px solid var(--divider);
}

.activity-item {
    padding: 8px 16px 8px 20px;
    border-bottom: 1px solid var(--divider);
}

.activity-cell {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* SVG Drawing Preview Border (Height=620, Background=White, CornerRadius=8) */
.draw-preview-border {
    min-height: 480px;
    background: #FFFFFF;
    border: 1px solid var(--card-stroke-inner);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px;
    overflow: hidden;
}

.draw-preview-border img {
    max-width: 100%;
    max-height: 580px;
    object-fit: contain;
}

/* WinUI Expander */
.winui-expander {
    border: 1px solid var(--card-stroke-inner);
    border-radius: 4px;
    background: var(--card-bg);
}

.winui-expander summary {
    padding: 10px 14px;
    cursor: pointer;
    font-weight: 500;
    user-select: none;
}

.winui-expander-body {
    padding: 12px 14px;
    border-top: 1px solid var(--divider);
}

/* Mobile Back Bar & Bottom Nav (hidden on desktop) */
.mobile-back-bar {
    display: none;
}

.mobile-bottom-nav {
    display: none;
}

/* Login Screen */
.login-shell {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-card {
    width: 100%;
    max-width: 400px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

/* =========================================================
   MOBILE-FRIENDLY RESPONSIVE ADAPTATION (< 860px)
   ========================================================= */
@media (max-width: 860px) {
    .winui-titlebar {
        display: none;
    }

    .winui-page {
        padding: 10px 12px calc(76px + env(safe-area-inset-bottom, 0px));
        gap: 10px;
    }

    /* Hide top desktop SelectorBar and show thumb-friendly bottom navigation bar */
    .desktop-selector {
        display: none;
    }

    .mobile-bottom-nav {
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 100;
        display: grid;
        grid-template-columns: repeat(5, 1fr);
        background: var(--mica-bg);
        border-top: 1px solid var(--divider);
        padding: 4px 4px calc(4px + env(safe-area-inset-bottom, 0px));
        backdrop-filter: blur(20px);
    }

    .mobile-nav-btn {
        appearance: none;
        background: transparent;
        border: none;
        border-radius: 6px;
        padding: 6px 2px;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 3px;
        color: var(--text-secondary);
        font-family: var(--font-ui);
        font-size: 11px;
        cursor: pointer;
    }

    .mobile-nav-btn svg {
        width: 18px;
        height: 18px;
    }

    .mobile-nav-btn.selected {
        color: var(--accent);
        font-weight: 600;
    }

    /* Status card stacks cleanly on narrow screens */
    .status-card {
        grid-template-columns: auto minmax(0, 1fr);
        row-gap: 10px;
        padding: 12px;
    }

    .status-actions {
        grid-column: 1 / -1;
        width: 100%;
    }

    .status-actions .winui-btn {
        flex: 1;
        min-height: 38px;
    }

    /* Master-detail becomes mobile drill-down view */
    .master-detail {
        grid-template-columns: 1fr;
        min-height: auto;
    }

    .master-card,
    .detail-card {
        max-height: none;
    }

    .master-detail.mobile-detail-open .master-card {
        display: none;
    }

    .master-detail:not(.mobile-detail-open) .detail-card {
        display: none;
    }

    .mobile-back-bar {
        display: flex;
        align-items: center;
        gap: 8px;
        padding: 10px 12px;
        border-bottom: 1px solid var(--divider);
    }

    .detail-scroll {
        padding: 14px;
    }

    /* Touch-friendly 40px targets & prevent iOS 16px auto-zoom */
    .winui-btn,
    .winui-toggle-btn {
        min-height: 38px;
    }

    .winui-icon-btn {
        width: 38px;
        height: 38px;
    }

    .winui-input,
    .winui-select,
    .winui-textarea {
        min-height: 40px;
        font-size: 16px;
    }

    .grid-1-2,
    .grid-1-1 {
        grid-template-columns: 1fr;
    }

    /* Key row stacks cleanly into two neat rows on phone screens */
    .key-row-grid {
        grid-template-columns: auto minmax(0, 1fr) auto;
        row-gap: 8px;
    }

    .key-row-grid .key-value-box {
        grid-column: 1 / -1;
    }

    .key-row-grid .key-actions-box {
        grid-column: 1 / -1;
        display: flex;
        justify-content: flex-end;
        gap: 6px;
    }

    /* Activity table turns into clean mobile cards */
    .activity-header {
        display: none;
    }

    .activity-item {
        padding: 10px 12px;
    }

    .activity-row-grid {
        display: flex;
        flex-wrap: wrap;
        gap: 6px 10px;
    }

    .activity-cell-model {
        width: 100%;
        font-weight: 600;
    }

    .activity-cell-route,
    .activity-cell-path {
        width: 100%;
        font-size: 12px;
        color: var(--text-secondary);
    }

    .draw-preview-border {
        min-height: 280px;
    }
}