/* ===========================
   Navigation CSS Variables
   =========================== */
:root {
    --sidebar-primary-width: 60px;
    --sidebar-context-width: 240px;
    --topbar-height: 56px;
    --mobile-bottom-nav-height: 56px;
    --transition-speed: 200ms;
}

/* ===========================
   Dual Sidebar Layout
   =========================== */
.dual-sidebar-layout {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    /* position: relative removed - it creates a new stacking context that limits z-index of AdminFlyout */
}

/* ===========================
   Top Bar
   =========================== */
.top-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--topbar-height);
    z-index: 1100;
    display: flex;
    align-items: center;
    padding: 0 16px;
}

.top-bar-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    gap: 16px;
}

.top-bar-left,
.top-bar-center,
.top-bar-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.top-bar-branding {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: inherit;
}

.top-bar-logo {
    height: 32px;
    width: auto;
}

.top-bar-brand-name {
    font-size: 18px;
    font-weight: 600;
    color: white;
}

.top-bar-center {
    flex: 1;
    justify-content: center;
    max-width: 600px;
}

/* Command Palette Trigger */
.command-palette-trigger {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    color: white;
    cursor: pointer;
    transition: all var(--transition-speed);
    min-width: 200px;
}

.command-palette-trigger:hover {
    background-color: rgba(255, 255, 255, 0.15);
}

.command-palette-trigger span {
    flex: 1;
    text-align: left;
    opacity: 0.7;
}

.command-palette-trigger kbd {
    padding: 2px 6px;
    background-color: rgba(0, 0, 0, 0.2);
    border-radius: 4px;
    font-size: 11px;
    font-family: monospace;
}

.mobile-logo {
    height: 32px;
    max-width: 120px;
    object-fit: contain;
}

/* ===========================
   Sidebar Container
   =========================== */
.sidebar-container {
    position: fixed;
    top: var(--topbar-height);
    left: 0;
    bottom: 0;
    z-index: 1000;
    display: flex;
}

/* ===========================
   Primary Sidebar (Icon Bar)
   =========================== */
.primary-sidebar {
    width: var(--sidebar-primary-width);
    display: flex;
    flex-direction: column;
    padding: 16px 0;
    overflow-y: auto;
}

.sidebar-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 48px;
    margin-bottom: 16px;
}

.sidebar-collapse-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 4px;
    border-radius: 8px;
    transition: background 150ms ease;
}

.sidebar-collapse-btn:hover {
    background: rgba(255, 255, 255, 0.15);
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 0 8px;
    flex: 1;
}

.sidebar-app {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: transparent;
    border: none;
    cursor: pointer;
    transition: all var(--transition-speed);
}

.sidebar-app:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.sidebar-app.active {
    background-color: rgba(255, 255, 255, 0.2);
    border-left: 3px solid white;
    border-radius: 12px 12px 12px 0;
}

.sidebar-app .badge {
    position: absolute;
    top: -4px;
    right: -4px;
    background-color: #f44336;
    color: white;
    border-radius: 10px;
    padding: 2px 6px;
    font-size: 10px;
    font-weight: 600;
    min-width: 16px;
    text-align: center;
}

.sidebar-bottom {
    margin-top: auto;
    padding: 8px;
}

.sidebar-version {
    color: rgba(255, 255, 255, 0.7);
    font-size: 10px;
    text-align: center;
    padding: 4px;
}

/* ===========================
   Context Sidebar
   =========================== */
.context-sidebar {
    width: var(--sidebar-context-width);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    transform: translateX(-100%);
    opacity: 0;
    transition: all var(--transition-speed);
    pointer-events: none;
}

.context-sidebar.visible {
    transform: translateX(0);
    opacity: 1;
    pointer-events: all;
}

.context-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.context-header-actions {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 0;
    flex-shrink: 0;
}

.context-header-actions .mud-icon-button {
    padding: 4px;
    min-width: 28px;
    width: 28px;
    height: 28px;
}

.context-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 18px;
    font-weight: 600;
    color: white;
    flex: 1;
    min-width: 0;
    overflow: hidden;
}

.context-title span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.context-nav {
    display: flex;
    flex-direction: column;
    padding: 8px;
}

.nav-module {
    margin-bottom: 4px;
}

.module-header {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 10px 12px;
    background: transparent;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--transition-speed);
    color: white;
    font-size: 14px;
    font-weight: 500;
}

.module-header:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.module-header .expand-icon {
    transition: transform var(--transition-speed);
    margin-left: auto;
}

.module-header.expanded .expand-icon {
    transform: rotate(180deg);
}

.module-items {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding-left: 12px;
    margin-top: 4px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 6px;
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    transition: all var(--transition-speed);
    font-size: 14px;
}

.nav-item:hover {
    background-color: rgba(255, 255, 255, 0.15);
    color: white;
}

.nav-item.active {
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
    font-weight: 500;
}

.nav-item .shortcut {
    margin-left: auto;
    padding: 2px 6px;
    background-color: rgba(0, 0, 0, 0.2);
    border-radius: 4px;
    font-size: 10px;
    font-family: monospace;
}

/* ===========================
   Main Content
   =========================== */
.main-content {
    margin-top: var(--topbar-height);
    margin-left: var(--sidebar-primary-width);
    min-height: calc(100vh - var(--topbar-height));
    display: flex;
    flex-direction: column;
    transition: margin-left var(--transition-speed);
}

.sidebar-expanded .main-content {
    margin-left: calc(var(--sidebar-primary-width) + var(--sidebar-context-width));
}

.sidebar-pinned .main-content {
    margin-left: calc(var(--sidebar-primary-width) + var(--sidebar-context-width));
}

.content-area {
    flex: 1;
}

/* ===========================
   Mobile Sidebar Overlay
   =========================== */
.mobile-sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1200;
    display: flex;
    animation: fadeIn var(--transition-speed);
}

.mobile-sidebar-content {
    width: 85%;
    max-width: 320px;
    background-color: white;
    overflow-y: auto;
    animation: slideInLeft var(--transition-speed);
}

.mobile-sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    border-bottom: 1px solid #e0e0e0;
}

.mobile-brand {
    font-size: 18px;
    font-weight: 600;
}

/* ===========================
   Responsive Utilities
   =========================== */
.desktop-only {
    display: flex;
}

.tablet-mobile-only {
    display: none;
}

.mobile-only {
    display: none;
}

/* ===========================
   Responsive Breakpoints
   =========================== */

/* Tablet and Mobile (< 1200px) */
@media (max-width: 1199px) {
    .desktop-only {
        display: none !important;
    }

    .tablet-mobile-only {
        display: flex !important;
    }

    .sidebar-container {
        display: none !important;
    }

    .main-content {
        margin-left: 0 !important;
        padding-bottom: var(--mobile-bottom-nav-height);
    }

    .top-bar-center {
        display: none !important;
    }
}

/* Fallback for small screens (MAUI) */
@media (max-width: 900px) {
    .desktop-only {
        display: none !important;
    }

    .tablet-mobile-only {
        display: flex !important;
    }

    .sidebar-container {
        display: none !important;
    }

    .main-content {
        margin-left: 0 !important;
        padding-bottom: var(--mobile-bottom-nav-height);
    }
}

/* Mobile (< 768px) */
@media (max-width: 767px) {
    .mobile-only {
        display: flex;
    }

    .top-bar {
        padding: 0 8px;
    }

    .top-bar-content {
        gap: 8px;
    }

    .top-bar-right {
        gap: 4px;
    }

    .command-palette-trigger {
        min-width: 150px;
        font-size: 14px;
    }
}

/* ===========================
   Animations
   =========================== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideInLeft {
    from {
        transform: translateX(-100%);
    }
    to {
        transform: translateX(0);
    }
}

/* ===========================
   Dark Mode Adjustments
   =========================== */
.mud-theme-dark .mobile-sidebar-content {
    background-color: #1e1e1e;
}

.mud-theme-dark .mobile-sidebar-header {
    border-bottom-color: #333;
}

/* ===========================
   Scrollbar Styling
   =========================== */
.primary-sidebar::-webkit-scrollbar,
.context-sidebar::-webkit-scrollbar {
    width: 6px;
}

.primary-sidebar::-webkit-scrollbar-track,
.context-sidebar::-webkit-scrollbar-track {
    background: transparent;
}

.primary-sidebar::-webkit-scrollbar-thumb,
.context-sidebar::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 3px;
}

.primary-sidebar::-webkit-scrollbar-thumb:hover,
.context-sidebar::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* ===========================
   Command Palette Modal
   =========================== */
.command-palette-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 100px;
    z-index: 2000;
    animation: fadeIn 150ms ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.command-palette-modal {
    width: 100%;
    max-width: 640px;
    background: var(--mud-palette-surface);
    border-radius: 12px;
    box-shadow: 0 16px 64px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    animation: slideIn 200ms ease-out;
}

@keyframes slideIn {
    from {
        transform: translateY(-20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.palette-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    border-bottom: 1px solid var(--mud-palette-lines-default);
}

.palette-search-icon {
    color: var(--mud-palette-text-primary);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.palette-search-icon svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

.palette-search-input {
    flex: 1;
    border: none;
    background: transparent;
    font-size: 16px;
    color: var(--mud-palette-text-primary);
    outline: none;
}

.palette-search-input::placeholder {
    color: var(--mud-palette-text-secondary);
}

.palette-close-button {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 28px;
    width: 28px;
    height: 28px;
    padding: 0;
    border: none;
    background: transparent;
    color: var(--mud-palette-text-secondary);
    cursor: pointer;
    border-radius: 6px;
    transition: background 150ms ease;
}

.palette-close-button:hover {
    background: var(--mud-palette-action-default-hover);
}

.palette-close-button svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

.palette-content {
    max-height: 400px;
    overflow-y: auto;
    padding: 8px 0;
}

.palette-group {
    margin-bottom: 8px;
}

.palette-group-header {
    padding: 8px 16px;
}

.group-title {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.05em;
    color: var(--mud-palette-text-secondary);
}

.palette-item {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    padding: 10px 16px;
    border: none;
    background: transparent;
    color: var(--mud-palette-text-primary);
    cursor: pointer;
    text-align: left;
    transition: background 150ms ease;
}

.palette-item:hover {
    background: rgba(0, 0, 0, 0.04);
}

.mud-theme-dark .palette-item:hover {
    background: rgba(255, 255, 255, 0.08);
}

.palette-item.selected {
    background: var(--mud-palette-secondary) !important;
    border-left: 4px solid var(--mud-palette-primary) !important;
    padding-left: 12px !important;
    font-weight: 600 !important;
}

.palette-item.selected .palette-item-title {
    font-weight: 600 !important;
}

.palette-item.selected .palette-item-icon {
    color: var(--mud-palette-primary) !important;
}

.palette-item-icon {
    color: var(--mud-palette-text-secondary);
}

.palette-item-title {
    flex: 1;
}

.palette-item-shortcut {
    font-size: 11px;
    color: var(--mud-palette-text-secondary);
    padding: 2px 8px;
    background: var(--mud-palette-background);
    border-radius: 4px;
    border: 1px solid var(--mud-palette-lines-default);
}

.palette-item-time {
    font-size: 12px;
    color: var(--mud-palette-text-secondary);
}

.palette-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 40px 16px;
}

.empty-icon {
    color: var(--mud-palette-text-disabled);
}

.empty-text {
    color: var(--mud-palette-text-secondary);
}

.palette-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-top: 1px solid var(--mud-palette-lines-default);
    background: var(--mud-palette-background);
}

.palette-hint {
    display: flex;
    gap: 12px;
    font-size: 12px;
    color: var(--mud-palette-text-secondary);
}

.palette-hint kbd {
    padding: 2px 6px;
    background: var(--mud-palette-surface);
    border: 1px solid var(--mud-palette-lines-default);
    border-radius: 4px;
    font-size: 11px;
    font-family: monospace;
}

.palette-prefixes {
    display: flex;
    gap: 12px;
}

.prefix-hint {
    font-size: 11px;
    color: var(--mud-palette-text-secondary);
}

/* ===========================
   Admin Flyout (Global fallback)
   =========================== */
.admin-flyout-overlay {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    background: rgba(0, 0, 0, 0.3) !important;
    backdrop-filter: blur(2px) !important;
    z-index: 99998 !important;
}

.admin-flyout-panel {
    position: fixed !important;
    top: var(--topbar-height) !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 320px !important;
    max-width: 90vw !important;
    box-shadow: -4px 0 16px rgba(0, 0, 0, 0.2) !important;
    z-index: 99999 !important;
    transform: translateX(100%);
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
}

.admin-flyout-panel.open {
    transform: translateX(0) !important;
}