/* Azure Portal-Style Layout and Components */

/* ============================================
   Base Styles
   ============================================ */

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
}

body {
    font-family: var(--font-family);
    background-color: var(--color-background);
    color: var(--color-text-primary);
    line-height: var(--line-height-normal);
    transition: background-color var(--transition-normal), color var(--transition-normal);
    overflow: hidden;
}

/* ============================================
   App Container
   ============================================ */

.app-container {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* ============================================
   Sidebar Navigation
   ============================================ */

.sidebar {
    width: var(--sidebar-width-expanded);
    height: 100vh;
    background-color: var(--color-surface);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    transition: width var(--transition-normal);
    overflow-x: hidden;
    overflow-y: auto;
    position: fixed;
    left: 0;
    top: 0;
    z-index: var(--z-index-sidebar);
    box-shadow: var(--shadow-card);
}

.sidebar.collapsed {
    width: var(--sidebar-width-collapsed);
}

.sidebar-header {
    display: flex;
    align-items: center;
    padding: var(--spacing-md);
    height: var(--header-height);
    border-bottom: 1px solid var(--color-border);
    gap: var(--spacing-sm);
    flex-shrink: 0;
}

.toggle-icon {
    transition: transform 0.3s ease;
    font-size: 0.8rem;
}

.sidebar-toggle-btn {
    background: transparent;
    border: none;
    color: var(--color-text-secondary);
    cursor: pointer;
    padding: var(--spacing-xs);
    display: flex;
    align-items: center;
    /* justify-center:  */
    border-radius: var(--border-radius-md);
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.sidebar-toggle-btn:hover {
    background-color: var(--color-surface-secondary);
    color: var(--color-text-primary);
}

.sidebar-logo {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.app-title {
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-md);
    white-space: nowrap;
    opacity: 1;
    transition: opacity var(--transition-fast);
}

.sidebar.collapsed .app-title {
    opacity: 0;
    width: 0;
}

.hamburger-icon {
    fill: currentColor;
}

/* Sidebar Navigation */
.sidebar-nav {
    flex: 1;
    padding: var(--spacing-sm) 0;
    overflow-y: auto;
    overflow-x: hidden;
}

.nav-section {
    margin-bottom: var(--spacing-lg);
}

.nav-section-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    transition: background 0.3s;
    text-decoration: none !important;
    color: var(--color-text-secondary) !important;
    padding: var(--spacing-sm) var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    border-left: 3px solid transparent;
}

.nav-section-header.active {
    background-color: var(--color-surface-secondary);
    color: var(--color-primary) !important;
    border-left-color: var(--color-primary);
}

.nav-section-content {
    display: none;
    overflow: hidden;
}

/* Auto-expand a group when one of its own pages is the current page */
.nav-section-content:has(a.active) {
    display: block;
}

.toggle-header:has(+ .nav-section-content a.active) {
    background-color: var(--color-surface-secondary);
    color: var(--color-primary) !important;
    border-left-color: var(--color-primary);
}

.toggle-header:has(+ .nav-section-content a.active) .toggle-icon {
    transform: rotate(180deg);
}

.section-title {
    white-space: nowrap;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-secondary);
    opacity: 1;
    transition: opacity var(--transition-fast);
}

.sidebar.collapsed .section-title {
    opacity: 0;
    width: 0;
    overflow: hidden;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    padding-left: calc(var(--spacing-md) + var(--spacing-lg));
    background-color: var(--color-surface-secondary);
    color: var(--color-text-secondary) !important;
    text-decoration: none !important;
    transition: all var(--transition-fast);
    gap: var(--spacing-md);
    position: relative;
    cursor: pointer;
    border-left: 3px solid transparent;
}

.sidebar.collapsed .nav-item {
    padding-left: var(--spacing-md);
}

.nav-item:hover {
    background-color: var(--color-surface-tertiary);
    color: var(--color-text-primary) !important;
}

.nav-item.active {
    background-color: var(--color-surface-secondary);
    color: var(--color-primary);
    border-left-color: var(--color-primary);
}

/* Ensure the hover state also stays consistent */
a.nav-section-header:hover {
    color: var(--color-text-primary) !important;
    text-decoration: none !important;
}

.nav-icon {
    width: 20px;
    height: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.05rem;
    flex-shrink: 0;
    fill: currentColor;
}

.nav-text {
    white-space: nowrap;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    opacity: 1;
    transition: opacity var(--transition-fast);
}

.sidebar.collapsed .nav-text {
    opacity: 0;
    width: 0;
}

/* ============================================
   Main Content Area
   ============================================ */

.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    margin-left: var(--sidebar-width-expanded);
    transition: margin-left var(--transition-normal);
    height: 100vh;
    overflow: hidden;
}

.sidebar.collapsed~.main-content {
    margin-left: var(--sidebar-width-collapsed);
}

/* ============================================
   Top Header
   ============================================ */

.top-header {
    height: var(--header-height);
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    padding: 0 var(--spacing-md);
    flex-shrink: 0;
    z-index: var(--z-index-header);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    gap: var(--spacing-md);
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex: 1;
    max-width: 600px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.header-btn {
    background: transparent;
    border: none;
    color: var(--color-text-secondary);
    cursor: pointer;
    padding: var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-md);
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.header-btn:hover {
    background-color: var(--color-surface-secondary);
    color: var(--color-text-primary);
}

.header-btn svg {
    fill: currentColor;
}

.theme-icon {
    fill: currentColor;
}

/* User Menu */
.user-avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    object-fit: cover;
}

.user-name {
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-medium);
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.dropdown-item {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-text-primary);
    text-decoration: none;
    font-size: var(--font-size-md);
    transition: background-color var(--transition-fast);
}

.dropdown-item:hover {
    background-color: var(--color-surface-secondary);
}

/* ============================================
   Breadcrumbs
   ============================================ */

.breadcrumb-nav {
    padding: var(--spacing-sm) var(--spacing-lg);
    background-color: var(--color-background);
    border-bottom: 1px solid var(--color-border);
    min-height: var(--breadcrumb-height);
    display: flex;
    align-items: center;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.breadcrumb-item {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.breadcrumb-item:hover {
    color: var(--color-text-primary);
}

.breadcrumb-item:not(:last-child)::after {
    content: '›';
    margin-left: var(--spacing-sm);
    color: var(--color-text-tertiary);
}

.breadcrumb-item:last-child {
    color: var(--color-text-primary);
    font-weight: var(--font-weight-medium);
}

/* ============================================
   Page Content
   ============================================ */

.page-content {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: var(--spacing-lg);
    background-color: var(--color-background);
}

/* ============================================
   Flash Messages
   ============================================ */

.flash-messages {
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

/* ============================================
   Common Page Components
   ============================================ */

/* Cards */
.card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-card);
    padding: var(--spacing-lg);
    transition: box-shadow var(--transition-fast);
}

.card:hover {
    box-shadow: var(--shadow-elevated);
}

.card-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-medium);
    font-family: var(--font-family);
    border-radius: var(--border-radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.btn-primary {
    background-color: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
}

.btn-secondary {
    background-color: var(--color-surface-secondary);
    color: var(--color-text-primary);
    border-color: var(--color-border);
}

.btn-secondary:hover {
    background-color: var(--color-surface-tertiary);
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.mobile-open {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
    }

    .mobile-only {
        display: block !important;
    }

    .header-left {
        max-width: none;
    }

    .user-name {
        display: none;
    }
}

@media (min-width: 769px) {
    .mobile-only {
        display: none !important;
    }
}

/* ============================================
   Utility Classes
   ============================================ */

.text-center {
    text-align: center;
}