/* ══════════════════════════════════════════════════════════════
   Global CSS custom-property theme tokens
   Applied by data-theme="dark" / data-theme="light" on <html>
   ══════════════════════════════════════════════════════════════ */

:root,
[data-theme="light"] {
    /* ── Surfaces ─────────────────────────────────────────────── */
    --bp-bg:          #F4F6F8;
    --bp-surface:     #FFFFFF;
    --bp-surface-2:   #F0F2F5;
    --bp-surface-3:   #E8EAED;
    --bp-border:      #DDE1E7;
    --bp-border-soft: #EAEDF1;

    /* ── Text ─────────────────────────────────────────────────── */
    --bp-text:        #1E2530;
    --bp-text-muted:  #5C6B7A;
    --bp-text-faint:  #98A5B3;
    --bp-text-inv:    #FFFFFF;

    /* ── Temi essay section tokens ────────────────────────────── */
    --bp-intro-bg:     #FFF8F8;
    --bp-intro-border: #B71C1C;
    --bp-svolg-bg:     #FFFDF5;
    --bp-svolg-border: #E65100;
    --bp-conc-bg:      #F5FBF5;
    --bp-conc-border:  #2E7D32;

    /* ── Illumination ─────────────────────────────────────────── */
    --bp-gram-dim:     0.38;
    --bp-struct-dim:   0.35;
    --bp-glow-opacity: 0.12;
    --bp-glow-strong:  0.30;

    /* ── Layout chrome ────────────────────────────────────────── */
    --bp-brand:            #f78b1e;
    --bp-sidebar-bg:       linear-gradient(175deg, #8B1200 0%, #C93D00 45%, #f78b1e 100%);
    --bp-sidebar-hover:    rgba(255, 255, 255, 0.13);
    --bp-sidebar-active:   rgba(255, 255, 255, 0.22);
    --bp-sidebar-border:   rgba(0, 0, 0, 0.12);
    --bp-topbar-bg:        #FFFFFF;
    --bp-topbar-border:    #E4E8EE;
    --bp-topbar-shadow:    0 1px 0 rgba(0,0,0,0.06), 0 2px 8px rgba(0,0,0,0.04);
    --bp-topbar-accent:    #f78b1e;
    --bp-sidebar-top-bg:   rgba(0, 0, 0, 0.22);
}

[data-theme="dark"] {
    /* ── Surfaces — warm charcoal, NOT pure black ─────────────── */
    --bp-bg:          #232323;
    --bp-surface:     #2E2E2E;
    --bp-surface-2:   #393939;
    --bp-surface-3:   #444444;
    --bp-border:      #4A4A4A;
    --bp-border-soft: #3E3E3E;

    /* ── Text ─────────────────────────────────────────────────── */
    --bp-text:        #E2E4E9;
    --bp-text-muted:  #9AA3B0;
    --bp-text-faint:  #5E6A7A;
    --bp-text-inv:    #181818;

    /* ── Temi essay section tokens ────────────────────────────── */
    --bp-intro-bg:     rgba(239, 83, 80, 0.09);
    --bp-intro-border: #EF5350;
    --bp-svolg-bg:     rgba(255, 112, 67, 0.08);
    --bp-svolg-border: #FF7043;
    --bp-conc-bg:      rgba(102, 187, 106, 0.09);
    --bp-conc-border:  #66BB6A;

    /* ── Illumination ─────────────────────────────────────────── */
    --bp-gram-dim:     0.28;
    --bp-struct-dim:   0.26;
    --bp-glow-opacity: 0.22;
    --bp-glow-strong:  0.50;

    /* ── Layout chrome ─────────────────────────────────────────── */
    /* Sidebar: dark version of the brand red-orange gradient        */
    --bp-sidebar-bg:       linear-gradient(175deg, #2A0800 0%, #3E1200 40%, #5C2400 100%);
    --bp-sidebar-hover:    rgba(247, 139, 30, 0.16);
    --bp-sidebar-active:   rgba(247, 139, 30, 0.26);
    --bp-sidebar-border:   #3A2A22;
    --bp-topbar-bg:        #2E2E2E;
    --bp-topbar-border:    #424242;
    --bp-topbar-shadow:    0 1px 0 rgba(0,0,0,0.4), 0 2px 8px rgba(0,0,0,0.2);
    --bp-topbar-accent:    #FF8A65;
    --bp-sidebar-top-bg:   rgba(0, 0, 0, 0.25);
}

/* ── Base ────────────────────────────────────────────────────── */

html, body {
    font-family: 'Segoe UI', 'Inter', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    background-color: var(--bp-bg);
    color: var(--bp-text);
    /* Short transition — feels instant but avoids hard flash */
    transition: background-color 0.12s ease, color 0.08s ease;
}

/* Prevent layout shifts during theme switch — lock element geometry */
.app-topbar,
.mud-nav-menu,
.mud-card,
.mud-paper {
    transition: background-color 0.12s ease, border-color 0.12s ease !important;
}

/* ── Single-column: every informational block on its own row ─── */
/* Applied globally in the content area.                          */
/* Pages that legitimately need multi-column wrap with .bp-cols   */
.content .mud-grid > .mud-grid-item:not([class*="keep-cols"]) {
    flex: 0 0 100% !important;
    max-width: 100% !important;
    width: 100% !important;
}

a, .btn-link {
    color: #006bb7;
}

.btn-primary {
    color: #fff;
    background-color: #1b6ec2;
    border-color: #1861ac;
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
    box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

.content {
    padding-top: 1.1rem;
}

h1:focus {
    outline: none;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid #26b050;
}

.invalid {
    outline: 1px solid #e50000;
}

.validation-message {
    color: #e50000;
}

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

    .blazor-error-boundary::after {
        content: "An error has occurred."
    }

.darker-border-checkbox.form-check-input {
    border-color: #929292;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
    color: var(--bs-secondary-color);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
    text-align: start;
}

/* ── MudBlazor nav overrides — light mode (sidebar is red/dark) ── */

.mud-nav-link {
    color: rgba(255, 255, 255, 0.88) !important;
    border-radius: 6px !important;
    margin: 1px 6px !important;
    font-size: 0.875rem !important;
    font-weight: 500 !important;
    transition: background-color 0.15s ease, color 0.15s ease !important;
}

.mud-nav-group .mud-icon-default,
.mud-nav-item  .mud-icon-default {
    color: rgba(255, 255, 255, 0.75) !important;
}

.mud-nav-link:hover,
.mud-nav-link:active {
    background-color: var(--bp-sidebar-hover) !important;
    color: #fff !important;
}

.mud-nav-link.active:not(.mud-nav-link-disabled) {
    background-color: var(--bp-sidebar-active) !important;
    color: #fff !important;
    font-weight: 600 !important;
}

.mud-nav-link.active:not(.mud-nav-link-disabled) .mud-icon-default {
    color: #fff !important;
}

.mud-navmenu.mud-navmenu-default .mud-nav-link-expand-icon {
    color: rgba(255, 255, 255, 0.5) !important;
}

.mud-navmenu.mud-navmenu-default .mud-nav-link-expand-icon.mud-transform {
    color: rgba(255, 255, 255, 0.8) !important;
}

/* ── MudBlazor nav overrides — dark mode ─────────────────────── */

[data-theme="dark"] .mud-nav-link {
    color: rgba(255, 255, 255, 0.72) !important;
}

[data-theme="dark"] .mud-nav-link:hover,
[data-theme="dark"] .mud-nav-link:active {
    background-color: var(--bp-sidebar-hover) !important;
    color: rgba(255, 255, 255, 0.95) !important;
}

[data-theme="dark"] .mud-nav-link.active:not(.mud-nav-link-disabled) {
    background-color: var(--bp-sidebar-active) !important;
    color: #fff !important;
}

[data-theme="dark"] .mud-nav-group .mud-icon-default,
[data-theme="dark"] .mud-nav-item  .mud-icon-default {
    color: rgba(255, 255, 255, 0.55) !important;
}

[data-theme="dark"] .mud-navmenu.mud-navmenu-default .mud-nav-link-expand-icon {
    color: rgba(255, 255, 255, 0.35) !important;
}

[data-theme="dark"] .mud-navmenu.mud-navmenu-default .mud-nav-link-expand-icon.mud-transform {
    color: rgba(255, 255, 255, 0.65) !important;
}

/* ── MudBlazor component dark mode overrides ─────────────────── */
/* These ensure MudBlazor components honour our dark palette       */

[data-theme="dark"] .mud-card,
[data-theme="dark"] .mud-paper {
    background-color: var(--bp-surface) !important;
    color: var(--bp-text) !important;
}

[data-theme="dark"] .mud-card-header-title .mud-typography,
[data-theme="dark"] .mud-card-content .mud-typography,
[data-theme="dark"] .mud-typography {
    color: var(--bp-text) !important;
}

[data-theme="dark"] .mud-table-container,
[data-theme="dark"] .mud-table {
    background-color: var(--bp-surface) !important;
    color: var(--bp-text) !important;
}

[data-theme="dark"] .mud-table-head .mud-table-cell {
    background-color: var(--bp-surface-2) !important;
    color: var(--bp-text-muted) !important;
    border-bottom: 1px solid var(--bp-border) !important;
}

[data-theme="dark"] .mud-table-body .mud-table-row:hover > .mud-table-cell {
    background-color: var(--bp-surface-2) !important;
}

[data-theme="dark"] .mud-table-cell {
    border-bottom: 1px solid var(--bp-border-soft) !important;
}

[data-theme="dark"] .mud-input-control,
[data-theme="dark"] .mud-input,
[data-theme="dark"] .mud-input-outlined-border {
    color: var(--bp-text) !important;
    border-color: var(--bp-border) !important;
}

[data-theme="dark"] .mud-input-label {
    color: var(--bp-text-muted) !important;
}

[data-theme="dark"] .mud-chip {
    background-color: var(--bp-surface-2) !important;
    color: var(--bp-text) !important;
    border-color: var(--bp-border) !important;
}

[data-theme="dark"] .mud-chip.mud-chip-color-primary {
    background-color: rgba(239, 83, 80, 0.18) !important;
    color: #EF5350 !important;
}

[data-theme="dark"] .mud-list-item {
    color: var(--bp-text) !important;
}

[data-theme="dark"] .mud-list-item:hover {
    background-color: var(--bp-surface-2) !important;
}

[data-theme="dark"] .mud-divider {
    border-color: var(--bp-border) !important;
}

[data-theme="dark"] .mud-tooltip-root {
    background-color: var(--bp-surface-3) !important;
    color: var(--bp-text) !important;
}

[data-theme="dark"] .mud-expansion-panel {
    background-color: var(--bp-surface) !important;
    color: var(--bp-text) !important;
    border: 1px solid var(--bp-border) !important;
}

[data-theme="dark"] .mud-expand-panel-header {
    background-color: var(--bp-surface-2) !important;
    color: var(--bp-text) !important;
}

[data-theme="dark"] .mud-select-input,
[data-theme="dark"] .mud-popover-paper {
    background-color: var(--bp-surface) !important;
    color: var(--bp-text) !important;
    border: 1px solid var(--bp-border) !important;
}

[data-theme="dark"] .mud-autocomplete-popover .mud-list-item {
    background-color: var(--bp-surface) !important;
}

[data-theme="dark"] .mud-breadcrumbs .mud-breadcrumb-item {
    color: var(--bp-text-muted) !important;
}

[data-theme="dark"] .mud-breadcrumbs .mud-breadcrumb-item.mud-breadcrumb-item-active {
    color: var(--bp-text) !important;
}

/* ── MudInput / MudSelect — remove rogue underline in dark ──── */

/* Standard variant bottom-line */
[data-theme="dark"] .mud-input:not(.mud-input-outlined)::before {
    border-bottom-color: var(--bp-border) !important;
}
[data-theme="dark"] .mud-input:not(.mud-input-outlined):hover::before {
    border-bottom-color: var(--bp-text-muted) !important;
}
[data-theme="dark"] .mud-input:not(.mud-input-outlined)::after {
    border-bottom-color: var(--bp-topbar-accent) !important;
}

/* Outlined variant border */
[data-theme="dark"] .mud-input-outlined-border {
    border-color: var(--bp-border) !important;
}
[data-theme="dark"] .mud-input-outlined:hover .mud-input-outlined-border {
    border-color: var(--bp-text-muted) !important;
}
[data-theme="dark"] .mud-input-outlined.mud-input-focused .mud-input-outlined-border {
    border-color: var(--bp-topbar-accent) !important;
}

/* Dropdown arrow area separator line — remove */
[data-theme="dark"] .mud-input-adornment-end::before {
    display: none !important;
}

/* Select input text and arrow colour */
[data-theme="dark"] .mud-select .mud-input-root,
[data-theme="dark"] .mud-select-input {
    color: var(--bp-text) !important;
}
[data-theme="dark"] .mud-select .mud-input-adornment svg,
[data-theme="dark"] .mud-select .mud-select-input-adornment svg {
    fill: var(--bp-text-muted) !important;
}

/* Input label */
[data-theme="dark"] .mud-input-label {
    color: var(--bp-text-muted) !important;
}
[data-theme="dark"] .mud-input-label.mud-input-label-animated.mud-input-label-inputcontrol {
    color: var(--bp-text-muted) !important;
}
[data-theme="dark"] .mud-input-focused .mud-input-label,
[data-theme="dark"] .mud-input-label.mud-shrink {
    color: var(--bp-topbar-accent) !important;
}

/* Popover / dropdown list */
[data-theme="dark"] .mud-popover-paper {
    background-color: var(--bp-surface) !important;
    border: 1px solid var(--bp-border) !important;
    box-shadow: 0 4px 24px rgba(0,0,0,0.45) !important;
}
[data-theme="dark"] .mud-list-item-text,
[data-theme="dark"] .mud-list-item-text .mud-typography {
    color: var(--bp-text) !important;
}
[data-theme="dark"] .mud-selected-item {
    background-color: rgba(255,138,101,0.15) !important;
    color: var(--bp-topbar-accent) !important;
}

/* ── MudIconButton — transparent, no rectangle ───────────────── */

/* MudBlazor icon buttons: always transparent background            */
button.mud-icon-button,
button.mud-button-root.mud-icon-button {
    background-color: transparent !important;
    border: none !important;
    box-shadow: none !important;
}

/* Hover: subtle circular ripple — no square box */
button.mud-icon-button:hover,
button.mud-button-root.mud-icon-button:hover {
    background-color: rgba(0, 0, 0, 0.06) !important;
    border-radius: 50% !important;
}
[data-theme="dark"] button.mud-icon-button:hover,
[data-theme="dark"] button.mud-button-root.mud-icon-button:hover {
    background-color: rgba(255, 255, 255, 0.09) !important;
    border-radius: 50% !important;
}

/* MudTooltip wrapper — zero footprint, keep clicks working       */
.mud-tooltip-root {
    display: inline-flex !important;
    background: transparent !important;
    border: none !important;
    padding: 0 !important;
    /* NO pointer-events override — keep default auto */
}

/* ── LogViewer FAB — clean up ────────────────────────────────── */

.lv-fab {
    box-shadow: 0 2px 10px rgba(0,0,0,0.35) !important;
}

/* ── Mud Alert dark ──────────────────────────────────────────── */

[data-theme="dark"] .mud-alert {
    background-color: var(--bp-surface-2) !important;
    border-color: var(--bp-border) !important;
    color: var(--bp-text) !important;
}

/* ── Mud Toolbar dark ────────────────────────────────────────── */

[data-theme="dark"] .mud-toolbar {
    background-color: var(--bp-surface) !important;
    color: var(--bp-text) !important;
}

/* ================================================================
   App Footer bar - solo nell'area content, colori brand arancione
   ================================================================ */

.app-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 28px;
    background: #BF360C;
    color: rgba(255, 255, 255, 0.90);
    display: flex;
    align-items: center;
    padding: 0 12px;
    font-size: 0.72rem;
    z-index: 1300;
    gap: 6px;
    border-top: 1px solid rgba(0, 0, 0, 0.15);
}

/* Su desktop: offset del sidebar (250px) */
@media (min-width: 641px) {
    .app-footer {
        left: 250px;
    }
}

.app-footer-version {
    display: flex;
    align-items: center;
    gap: 4px;
    cursor: pointer;
    padding: 2px 8px;
    border-radius: 4px;
    transition: background 0.15s;
    user-select: none;
    white-space: nowrap;
    color: rgba(255, 255, 255, 0.90);
    text-decoration: none;
}

.app-footer-version:hover {
    background: rgba(0, 0, 0, 0.15);
    color: #fff;
}

.app-footer-update-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #FFE082;
    display: inline-block;
    flex-shrink: 0;
    box-shadow: 0 0 6px #FFE082;
    animation: bp-pulse-dot 1.5s ease-in-out infinite;
}

@keyframes bp-pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%       { opacity: 0.6; transform: scale(1.35); }
}

/* Spazio al fondo del main per non coprire il contenuto */
article.content {
    padding-bottom: 36px !important;
}

/* Drawer note di rilascio */
.release-notes-drawer .mud-drawer-content {
    border-radius: 16px 16px 0 0;
    overflow: hidden;
}

.release-notes-drawer-header {
    display: flex;
    align-items: center;
    padding: 12px 16px 8px;
    border-bottom: 1px solid var(--mud-palette-divider);
    gap: 8px;
}

.release-notes-body {
    overflow-y: auto;
    max-height: 300px;
    padding: 4px 0;
}

.release-notes-loading {
    display: flex;
    justify-content: center;
    padding: 24px;
}

.release-note-item {
    padding: 10px 16px;
    border-bottom: 1px solid var(--mud-palette-divider);
}

.release-note-item:last-child {
    border-bottom: none;
}

.release-note-item.release-note-current {
    background: rgba(99, 179, 237, 0.08);
}

.release-note-header {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 4px;
    margin-bottom: 4px;
}

.release-note-message {
    color: var(--mud-palette-text-secondary);
    line-height: 1.4;
    font-size: 0.85rem;
}

.release-notes-footer-update {
    padding: 8px 16px 12px;
    border-top: 1px solid var(--mud-palette-divider);
}


/* =============================================
   Update popup — notifica di aggiornamento
   ============================================= */

.update-popup {
    position: fixed;
    bottom: 36px;          /* sopra la footer bar (28px) + 8px gap */
    right: 16px;
    z-index: 1400;
    display: flex;
    align-items: center;
    gap: 10px;
    background: #BF360C;
    color: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 18px rgba(0,0,0,0.32);
    padding: 10px 12px;
    min-width: 220px;
    max-width: 300px;
    animation: popup-slide-in 0.28s cubic-bezier(0.22,1,0.36,1);
}

@keyframes popup-slide-in {
    from { opacity: 0; transform: translateY(24px) scale(0.97); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

.update-popup-btn {
    flex-shrink: 0;
    background: #fff;
    color: #BF360C;
    border: none;
    border-radius: 6px;
    padding: 4px 12px;
    font-size: 0.82rem;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
}

.update-popup-btn:hover {
    background: #ffd6cc;
    color: #8c1a00;
}

.update-popup-close {
    flex-shrink: 0;
    background: none;
    border: none;
    color: rgba(255,255,255,0.75);
    font-size: 1rem;
    line-height: 1;
    cursor: pointer;
    padding: 2px 4px;
    border-radius: 4px;
    transition: color 0.15s, background 0.15s;
}

.update-popup-close:hover {
    color: #fff;
    background: rgba(255,255,255,0.18);
}

/* =============================================
   Focus mode — nasconde sidebar e topbar
   ============================================= */

body.bp-focus-mode .sidebar,
body.bp-focus-mode .app-topbar {
    display: none !important;
}

body.bp-focus-mode main {
    padding-left: 0 !important;
    margin-left: 0 !important;
}

body.bp-focus-mode article.content {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 24px;
}

/* Pulsante flottante per uscire dalla focus mode */
#bp-focus-exit-fab {
    position: fixed;
    top: 12px;
    right: 12px;
    z-index: 9999;
    display: flex;
    align-items: center;
    background: rgba(230,74,25,0.92);
    border: none;
    border-radius: 20px;
    color: white;
    padding: 6px 14px 6px 10px;
    font-size: 0.78rem;
    font-weight: 700;
    cursor: pointer;
    letter-spacing: .02em;
    box-shadow: 0 2px 14px rgba(0,0,0,.35);
    backdrop-filter: blur(6px);
    transition: background .15s, transform .15s, box-shadow .15s;
    gap: 2px;
}
#bp-focus-exit-fab:hover {
    background: rgba(191,54,12,.98);
    transform: scale(1.05);
    box-shadow: 0 4px 18px rgba(0,0,0,.4);
}
#bp-focus-exit-fab:active { transform: scale(.97); }

/* Fullscreen styles for the solar system card */
.ss-svg-card:fullscreen,
.ss-svg-card:-webkit-full-screen {
    background: #000;
    display: flex;
    flex-direction: column;
    padding: 0;
    border-radius: 0;
    overflow: hidden;
    width: 100vw !important;
    height: 100vh !important;
}

/* 3D mode fullscreen: override aspect-ratio so the wrap can fill the screen */
.ss-svg-card:fullscreen .ss-3d-wrap,
.ss-svg-card:-webkit-full-screen .ss-3d-wrap {
    flex: 1 1 auto;
    min-height: 0;
    height: auto !important;
    aspect-ratio: unset !important;
}

.ss-svg-card:fullscreen .ss-3d-canvas,
.ss-svg-card:-webkit-full-screen .ss-3d-canvas {
    width: 100% !important;
    height: 100% !important;
}

/* 2D mode fullscreen: expand the perspective wrapper */
.ss-svg-card:fullscreen .ss-perspective-wrap,
.ss-svg-card:-webkit-full-screen .ss-perspective-wrap {
    flex: 1 1 auto;
    min-height: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: #000;
}

.ss-svg-card:fullscreen .ss-zoom-viewport,
.ss-svg-card:-webkit-full-screen .ss-zoom-viewport {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ss-svg-card:fullscreen .ss-svg,
.ss-svg-card:-webkit-full-screen .ss-svg {
    max-height: none !important;
    width: 100% !important;
    height: auto !important;
}

/* Cloudflare/static hosting fallback.
   Keep the app shell readable even if a browser still has an older scoped CSS file. */
.page {
    position: relative;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex: 1;
    min-width: 0;
    background-color: var(--bp-bg, #F4F6F8);
}

.sidebar {
    background-image: var(--bp-sidebar-bg);
    transition: background .25s ease;
    color: #fff;
}

.top-row {
    position: relative;
    min-height: 52px;
    background-color: var(--bp-sidebar-top-bg, rgba(0,0,0,0.22));
    padding-right: 3rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    flex-shrink: 0;
}

.top-row .container-fluid {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 52px;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 9px;
    text-decoration: none !important;
    color: rgba(255, 255, 255, 0.95) !important;
}

.brand-logo {
    width: 30px;
    height: 30px;
    border-radius: 7px;
    flex-shrink: 0;
    box-shadow: 0 1px 4px rgba(0,0,0,0.35);
}

.brand-name {
    font-size: 1.05rem;
    font-weight: 800;
    letter-spacing: -0.2px;
    color: rgba(255, 255, 255, 0.95);
}

.navbar-toggler {
    appearance: none;
    cursor: pointer;
    width: 2.5rem;
    height: 2.5rem;
    color: white;
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    border: none;
    z-index: 1001;
}

.nav-scrollable {
    display: none;
}

.navbar-toggler:checked ~ .nav-scrollable {
    display: block;
}

.nav-scrollable .mud-nav-menu {
    background-color: transparent !important;
    padding: 6px 0 16px !important;
}

.app-topbar {
    position: sticky;
    top: 0;
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 48px;
    min-height: 48px;
    background: var(--bp-topbar-bg);
    border-bottom: 1px solid var(--bp-topbar-border);
    padding: 0 1.25rem 0 1.5rem;
    box-shadow: var(--bp-topbar-shadow);
    color: var(--bp-text);
}

@media (min-width: 641px) {
    .page {
        flex-direction: row;
    }

    main {
        display: flex;
        flex-direction: column;
        overflow-x: clip;
    }

    .sidebar {
        width: 250px;
        height: 100vh;
        position: sticky;
        top: 0;
        border-right: 1px solid var(--bp-sidebar-border);
        display: flex;
        flex-direction: column;
        flex-shrink: 0;
    }

    .navbar-toggler {
        display: none;
    }

    .nav-scrollable {
        display: block;
        height: calc(100vh - 52px);
        overflow-y: auto;
        overflow-x: hidden;
        scrollbar-width: thin;
        scrollbar-color: rgba(255,255,255,0.15) transparent;
    }

    .nav-scrollable::-webkit-scrollbar {
        width: 4px;
    }

    .nav-scrollable::-webkit-scrollbar-thumb {
        background: rgba(255,255,255,0.15);
        border-radius: 2px;
    }
}
