/* ========== APP LAYOUT - MOBILE-FIRST ========== */
/* Professional layout system - Mobile-first responsive design */
/* Base styles = Mobile (phone). Desktop overrides below. */
/* Layout variables are defined in design-system.css */

/* ========== PORTAL CONTAINER ========== */
/* Mobile-first: Sidebar overlay on mobile, fixed on desktop */
.portal-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    display: none;
    grid-template-rows: 1fr;
    gap: 0;
    column-gap: 0;
    row-gap: 0;
    overflow: hidden;
    z-index: var(--z-base);
    box-sizing: border-box;
    isolation: isolate;
    margin: 0;
    padding: 0;
    /* Mobile default: No sidebar in grid */
    grid-template-columns: 0 1fr;
}

.portal-container.active {
    display: grid;
}

.portal-container.hidden {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
    pointer-events: none !important;
}

/* ========== HEADER (FIXED AT TOP) ========== */
/* Mobile-first: Full width on mobile, offset on desktop */
.topbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100vw;
    max-width: 100vw;
    height: var(--topbar-height);
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 0 var(--spacing-3);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-4);
    z-index: var(--z-sticky);
    box-shadow: var(--shadow-sm);
    box-sizing: border-box;
    margin: 0;
    padding-top: 0;
    padding-bottom: 0;
}

/* Ensure login page is completely hidden when portal is active */
.portal-container.active ~ .login-page,
body:has(.portal-container.active) .login-page {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
    pointer-events: none !important;
    position: absolute !important;
    top: -9999px !important;
    left: -9999px !important;
    z-index: -1 !important;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    flex: 1;
    min-width: 0;
}

.menu-toggle {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: var(--font-size-lg);
    cursor: pointer;
    padding: var(--spacing-2);
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast);
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.menu-toggle:hover,
.menu-toggle:focus {
    background: var(--surface);
}

.page-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    flex-shrink: 0;
}

.notification-btn {
    position: relative;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: var(--font-size-lg);
    cursor: pointer;
    padding: var(--spacing-2);
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast);
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.notification-btn:hover,
.notification-btn:focus {
    background: var(--surface);
}

.notification-badge {
    position: absolute;
    top: 4px;
    right: 4px;
    background: var(--danger);
    color: var(--bg);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    padding: 2px 6px;
    border-radius: var(--radius-full);
    min-width: 18px;
    text-align: center;
    line-height: 1.2;
}

.user-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    cursor: pointer;
    padding: var(--spacing-2);
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast);
}

.user-menu:hover,
.user-menu:focus {
    background: var(--surface);
    outline: none;
}

.user-avatar-topbar {
    width: 36px;
    height: 36px;
    font-size: var(--font-size-sm);
}

/* ========== SIDEBAR ========== */
/* Mobile-first: Overlay on mobile, fixed on desktop */
.sidebar {
    width: 280px;
    min-width: 280px;
    max-width: 280px;
    height: 100vh;
    background: linear-gradient(135deg, #1a3a5c 0%, #2c5aa0 100%);
    background-color: #1a3a5c;
    color: var(--bg);
    display: flex !important;
    flex-direction: column;
    z-index: 1000 !important;
    overflow: hidden;
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    flex-shrink: 0;
    flex-grow: 0;
    /* Mobile: Fixed overlay */
    position: fixed;
    left: 0;
    top: 0;
    transform: translateX(-100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 1;
    visibility: visible;
}

.sidebar-header {
    padding: var(--spacing-4) var(--spacing-3);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-2);
}

.eh-logo-sidebar {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
}

/* ========== LOGO SIZE LOCK (MANDATORY) ========== */
.eh-logo-sidebar-image {
    max-height: 38px !important;
    height: 38px !important;
    width: auto !important;
    object-fit: contain;
    flex-shrink: 0;
    min-height: 38px;
    max-width: 100%;
    /* Prevent any scaling via flex or viewport */
    flex-grow: 0;
    flex-basis: auto;
}

.sidebar-subtitle {
    font-size: var(--font-size-xs);
    opacity: 0.8;
    text-align: center;
}

.user-profile {
    padding: var(--spacing-3) var(--spacing-3);
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    flex-shrink: 0;
}

.user-avatar {
    width: 36px;
    height: 36px;
    background: var(--secondary);
    color: var(--bg);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-sm);
    flex-shrink: 0;
}

.user-details {
    flex: 1;
    min-width: 0;
}

.user-details h4 {
    margin: 0 0 var(--spacing-1) 0;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--bg);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-details p {
    font-size: var(--font-size-xs);
    opacity: 0.8;
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-id {
    font-size: var(--font-size-xs);
    opacity: 0.7;
}

.nav-divider {
    padding: var(--spacing-2) var(--spacing-3) var(--spacing-1);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: rgba(255, 255, 255, 0.6);
}

.nav-menu {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: var(--spacing-2) 0;
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.3) transparent;
}

.nav-menu::-webkit-scrollbar {
    width: 6px;
}

.nav-menu::-webkit-scrollbar-track {
    background: transparent;
}

.nav-menu::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-full);
}

.nav-menu::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.5);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-3);
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    transition: all var(--transition-base);
    border-left: 3px solid transparent;
    font-size: var(--font-size-sm);
    min-height: 40px;
}

.nav-link:hover,
.nav-link.active {
    background: rgba(255, 255, 255, 0.1);
    border-left-color: var(--secondary);
    color: var(--bg);
}

.nav-icon {
    width: 18px;
    text-align: center;
    flex-shrink: 0;
}

.nav-badge {
    background: var(--danger);
    color: var(--bg);
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    margin-left: auto;
    min-width: 18px;
    text-align: center;
}

.sidebar-footer {
    padding: var(--spacing-3);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    flex-shrink: 0;
}

/* ========== MAIN CONTENT ========== */
/* Mobile-first: Full width on mobile */
.main-content {
    grid-row: 1;
    display: grid;
    grid-template-rows: var(--topbar-height) 1fr;
    grid-template-columns: 1fr;
    height: 100vh;
    width: 100vw;
    max-width: 100vw;
    min-width: 0;
    overflow: hidden;
    background: var(--surface);
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    flex: 1;
    flex-grow: 1;
    /* Mobile: Full width */
    grid-column: 1 / -1;
}

/* ========== CONTENT AREA ========== */
/* Mobile-first: Proper padding for all devices */
.content-area {
    grid-row: 2;
    overflow-y: auto;
    overflow-x: hidden;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    scrollbar-width: thin;
    scrollbar-color: var(--border) transparent;
    min-width: 0;
    flex: 1;
    margin: 0;
    /* Mobile-first padding - base for phone */
    padding: var(--spacing-3);
}

.content-area::-webkit-scrollbar {
    width: 8px;
}

.content-area::-webkit-scrollbar-track {
    background: transparent;
}

.content-area::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: var(--radius-full);
}

.content-area::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* ========== RESPONSIVE LAYOUT - MOBILE-FIRST ========== */
/* Base styles = Mobile (phone). Desktop overrides below. */

/* Sidebar backdrop - Mobile only - VISUAL ONLY */
#sidebarBackdrop {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999 !important; /* Below sidebar (1000) */
    opacity: 0;
    transition: opacity var(--layout-transition);
    pointer-events: none !important; /* NEVER catches clicks - visual only */
    backdrop-filter: blur(4px);
    margin: 0;
    padding: 0;
}

#sidebarBackdrop.show {
    opacity: 1;
    z-index: 999 !important; /* Below sidebar (1000) */
    pointer-events: none !important; /* NEVER catches clicks - visual only */
}

/* Sidebar must be clickable and above backdrop */
.sidebar {
    z-index: var(--z-modal);
    pointer-events: auto;
}

.sidebar.active {
    transform: translateX(0);
    z-index: var(--z-modal) !important;
    opacity: 1 !important;
    visibility: visible !important;
}

/* Main content visual state on mobile when menu open */
.main-content {
    position: relative;
    z-index: 1;
    transition: opacity 0.3s ease;
}

/* Dim and make main content clickable to close menu on mobile */
@media (max-width: 768px) {
    body.sidebar-open .main-content {
        opacity: 0.5;
        pointer-events: auto;
        cursor: pointer;
    }
    
    /* Sidebar stays fully visible and clickable */
    body.sidebar-open .sidebar {
        pointer-events: auto;
        opacity: 1;
    }
}

/* Lock body scroll when sidebar is open */
body.sidebar-open {
    overflow: hidden;
    position: fixed;
    width: 100%;
    height: 100vh;
}

/* SMALL PHONE (max-width: 480px) */
@media (max-width: 480px) {
    .content-area {
        padding: var(--spacing-2); /* 8px */
    }
    
    .topbar {
        padding: 0 var(--spacing-2);
    }
}

/* TABLET & DESKTOP (min-width: 769px) */
@media (min-width: 769px) {
    .portal-container {
        grid-template-columns: 280px 1fr;
    }
    
    .sidebar {
        position: relative;
        transform: translateX(0);
        grid-column: 1;
        grid-row: 1;
    }
    
    .topbar {
        left: 280px;
        right: 0;
        width: calc(100vw - 280px);
        max-width: calc(100vw - 280px);
        padding: 0 var(--spacing-5);
    }
    
    .main-content {
        grid-column: 2;
        width: 100%;
        max-width: 100%;
    }
    
    .content-area {
        padding: var(--spacing-5); /* 20px */
    }
    
    /* Hide backdrop on desktop */
    #sidebarBackdrop {
        display: none;
    }
    
    /* No dimming on desktop */
    .sidebar.active ~ .main-content {
        pointer-events: auto;
        opacity: 1;
    }
}

/* LAPTOP (min-width: 1025px) */
@media (min-width: 1025px) {
    .content-area {
        padding: var(--spacing-6); /* 24px */
    }
}

/* LARGE DESKTOP (min-width: 1441px) */
@media (min-width: 1441px) {
    .content-area {
        padding: var(--spacing-6) var(--spacing-8); /* 24px vertical, 32px horizontal */
        max-width: 1600px;
        margin: 0 auto;
    }
}