:root {
    --primary: #111827; --accent: #ce1126; --bg-color: #f3f4f6; /* Black and Red based on logo */
    --card-bg: #ffffff; --text-dark: #1f2937; --text-light: #6b7280;
    --sidebar-width: 260px;
    --sidebar-collapsed-width: 60px; /* New variable for collapsed width */
}

/* --- Sidebar Style --- */
.sidebar {
    height: 100vh; /* Fallback */
    height: 100dvh; /* Dynamic viewport height to prevent mobile bottom cutoffs */
    overflow-y: auto;
    background: #111827; /* Rich Slate/Black matching logo silhouette */
    color: #f3f4f6;
    box-shadow: 4px 0 10px rgba(0,0,0,0.1);
    position: fixed;
    left: 0; /* Fallback for older browsers (LTR default) */
    inset-inline-start: 0;
    top: 0;
    width: var(--sidebar-width);
    z-index: 1050;
    transition: width 0.3s ease, transform 0.3s ease; /* Added width transition */
    will-change: width, transform;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    flex-shrink: 0; /* Prevent sidebar from shrinking in flex container */
    display: flex; /* Added for internal layout */
    flex-direction: column; /* Added for internal layout */
    -ms-overflow-style: none;  /* IE and Edge */
    scrollbar-width: none;  /* Firefox */
}

/* Fallback for older browsers for RTL */
html[dir="rtl"] .sidebar {
    left: auto;
    right: 0;
}

/* Hide scrollbar for Chrome, Safari and Opera */
.sidebar::-webkit-scrollbar {
    display: none;
}

.sidebar-header {
    padding: 2rem 1.5rem;
    text-align: center;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    display: flex; /* Added for logo and toggle button alignment */
    align-items: center;
    justify-content: space-between; /* For toggle button */
    flex-wrap: wrap; /* Allow elements to wrap on collapse */
}

.sidebar-logo {
    height: 70px;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.sidebar-header .fw-bold {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: all 0.3s ease;
}

.nav-category {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: #9ca3af;
    padding: 1.5rem 1.5rem 0.5rem;
    font-weight: 700;
    letter-spacing: 1px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: all 0.3s ease;
}

.sidebar-nav {
    flex-grow: 1; /* Allows navigation to take available space */
    padding: 0 0 20px 0; /* Adjusted padding */
}

.sidebar-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar a {
    color: #d1d5db;
    text-decoration: none;
    display: flex;
    align-items: center;
    padding: 0.75rem 1.5rem;
    transition: all 0.2s;
    border-inline-start: 4px solid transparent;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar a:hover, .sidebar a.active {
    background: rgba(255,255,255,0.05);
    color: #ffffff;
    border-inline-start-color: var(--accent);
}

.sidebar i {
    width: 20px;
    margin-inline-end: 10px;
    font-size: 1.1rem;
    flex-shrink: 0; /* Prevent icon from shrinking */
    transition: margin-left 0.3s ease;
}

.sidebar a span { /* Target the text next to the icon */
    transition: opacity 0.3s ease, width 0.3s ease;
}

.notification-badge {
    background-color: var(--accent);
    color: white;
    font-size: 0.7rem;
    padding: 2px 6px;
    border-radius: 50px;
    font-weight: 900;
    margin-inline-start: auto;
    transition: opacity 0.3s ease;
}

/* --- Sidebar Collapsed State --- */
.sidebar.collapsed {
    width: var(--sidebar-collapsed-width);
}

.sidebar.collapsed .sidebar-header {
    padding: 1.5rem 0.5rem; /* Adjust padding for collapsed state */
    justify-content: center;
}

.sidebar.collapsed .sidebar-logo {
    height: 40px; /* Smaller logo */
    margin-bottom: 0;
}

.sidebar.collapsed .sidebar-header .fw-bold {
    display: none; /* Hide text */
}

.sidebar.collapsed .sidebar-header .toggle-btn {
    margin: 0 auto; /* Center toggle button */
}

.sidebar.collapsed .nav-category {
    display: none; /* Hide category titles */
}

.sidebar.collapsed .sidebar a {
    justify-content: center; /* Center icons */
    padding: 0.75rem 0.5rem; /* Adjust padding */
}

.sidebar.collapsed .sidebar a span {
    display: none; /* Hide link text */
}

.sidebar.collapsed .sidebar a i {
    margin-left: 0; /* Remove margin for icons */
}

.sidebar.collapsed .notification-badge {
    display: none; /* Hide badges */
}

/* --- Toggle Button (Desktop) --- */
.toggle-btn {
    background: none;
    border: none;
    color: #d1d5db;
    font-size: 1.2em;
    cursor: pointer;
    padding: 5px;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.toggle-btn:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

/* --- Mobile Toggle --- */
.mobile-top-bar {
    display: none; /* Hidden by default, shown on mobile */
    background: #111827; /* Rich Slate/Black matching logo silhouette */
    color: white;
    padding: 10px 20px;
    position: sticky;
    top: 0;
    z-index: 1040;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 1045;
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
    will-change: opacity;
}

/* --- Main Content Area --- */
.main-content {
    margin-inline-start: var(--sidebar-width); /* Default margin for expanded sidebar */
    padding: 0;
    transition: margin-inline-start 0.3s ease;
    flex-grow: 1; /* Allow content to take remaining space */
}

.sidebar.collapsed ~ .main-content {
    margin-inline-start: var(--sidebar-collapsed-width); /* Adjust margin for collapsed sidebar */
}

/* Responsive Design */
@media (max-width: 992px) {
    .sidebar {
        position: fixed;
        top: 0;
        height: 100%;
        z-index: 1050;
        box-shadow: 3px 0 7px rgba(0,0,0,0.2);
        width: var(--sidebar-width); /* Full width when open on mobile */
        transform: translateX(-100%); /* Fix: Default hide to the left for LTR / Mobile */
    }

    html[dir="rtl"] .sidebar {
        transform: translateX(100%); /* Hide sidebar off-screen to the right */
    }

    .sidebar.active {
        transform: translateX(0) !important;
    }

    /* Show overlay logic handles closing properly on mobile. The active class is handled above */

    .sidebar-header .toggle-btn {
        display: none; /* Hide desktop toggle on mobile */
    }

    .mobile-top-bar {
        display: flex; /* Show mobile toggle */
    }

    .main-content {
        margin-inline-start: 0 !important; /* No margin on mobile for both LTR & RTL */
    }

    .sidebar-overlay.active {
        display: block; /* Show overlay when sidebar is active */
    }
}

/* --- Management Hub Modal Styling --- */
.management-hub-modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh; /* Fallback */
    height: 100dvh; /* Dynamic viewport height to prevent mobile bottom cutoffs */
    background: rgba(15, 23, 42, 0.45); /* Modern slate shade backdrop */
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 2000;
    align-items: flex-start; /* Align to top for reliable scrolling */
    justify-content: center;
    padding: 2.5rem 1.5rem;
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
    overflow-y: auto; /* Enable scrolling on the backdrop if modal content is taller than viewport */
}

.management-hub-modal-overlay.active {
    display: flex;
    opacity: 1;
}

body.modal-open {
    overflow: hidden !important;
}

/* Dialog Container */
.management-hub-modal-overlay .hub-dialog {
    width: 100%;
    max-width: 1100px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    margin: 0 auto;
    min-height: 0;
    transform: scale(0.92);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.management-hub-modal-overlay.active .hub-dialog {
    transform: scale(1);
}

/* Dark mode fallback for future or theme adjustments */
@media (prefers-color-scheme: dark) {
    .management-hub-modal-overlay .hub-dialog {
        background: rgba(31, 41, 55, 0.95);
        border-color: rgba(255, 255, 255, 0.08);
        color: #f3f4f6;
    }
}

/* Header */
.management-hub-modal-overlay .hub-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

html[dir="rtl"] .management-hub-modal-overlay .hub-header {
    flex-direction: row-reverse;
}

.management-hub-modal-overlay .hub-title-section {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.management-hub-modal-overlay .hub-icon-circle {
    width: 48px;
    height: 48px;
    background: var(--accent);
    color: white;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    box-shadow: 0 4px 12px rgba(206, 17, 38, 0.2);
}

.management-hub-modal-overlay .hub-modal-title {
    font-size: 1.25rem;
    font-weight: 800;
    margin: 0;
}

.management-hub-modal-overlay .hub-modal-subtitle {
    font-size: 0.85rem;
    color: var(--text-light);
}

.management-hub-modal-overlay .hub-close-btn {
    background: none;
    border: none;
    font-size: 2rem;
    line-height: 1;
    cursor: pointer;
    color: var(--text-light);
    transition: color 0.2s;
    padding: 0 0.5rem;
}

.management-hub-modal-overlay .hub-close-btn:hover {
    color: var(--accent);
}

/* Scrollable Body */
.management-hub-modal-overlay .hub-body {
    padding: 2rem;
    overflow-y: auto;
    flex-grow: 1;
}

/* Grid Layout */
.management-hub-modal-overlay .hub-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

@media (max-width: 768px) {
    .management-hub-modal-overlay {
        padding: 1rem 0.5rem 8rem; /* Large bottom padding to clear mobile browser bottom navigation bars */
    }
    .management-hub-modal-overlay .hub-dialog {
        border-radius: 16px;
    }
    .management-hub-modal-overlay .hub-header {
        padding: 1rem 1.25rem;
    }
    .management-hub-modal-overlay .hub-body {
        padding: 1rem;
    }
    .management-hub-modal-overlay .hub-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    .management-hub-modal-overlay .hub-card {
        padding: 1rem;
    }
    .management-hub-modal-overlay .hub-card-body {
        grid-template-columns: 1fr !important; /* Stack items vertically on all mobile viewports */
        gap: 0.75rem;
    }
}

/* Group Cards */
.management-hub-modal-overlay .hub-card {
    background: rgba(255, 255, 255, 0.4);
    border-radius: 16px;
    padding: 1.5rem;
    border: 1px solid rgba(0, 0, 0, 0.04);
}

@media (prefers-color-scheme: dark) {
    .management-hub-modal-overlay .hub-card {
        background: rgba(0, 0, 0, 0.2);
        border-color: rgba(255, 255, 255, 0.03);
    }
}

.management-hub-modal-overlay .hub-card-header {
    font-size: 0.95rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px dashed rgba(0, 0, 0, 0.08);
}

@media (prefers-color-scheme: dark) {
    .management-hub-modal-overlay .hub-card-header {
        border-bottom-color: rgba(255, 255, 255, 0.08);
    }
}

.management-hub-modal-overlay .hub-card-body {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

@media (max-width: 480px) {
    .management-hub-modal-overlay .hub-card-body {
        grid-template-columns: 1fr;
    }
}

/* Link items */
.management-hub-modal-overlay .hub-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: #ffffff;
    border-radius: 12px;
    text-decoration: none !important;
    color: var(--text-dark);
    font-weight: 600;
    font-size: 0.9rem;
    border: 1px solid rgba(0, 0, 0, 0.04);
    transition: all 0.2s ease-in-out;
}

@media (prefers-color-scheme: dark) {
    .management-hub-modal-overlay .hub-item {
        background: rgba(55, 65, 81, 0.5);
        color: #f3f4f6;
        border-color: rgba(255, 255, 255, 0.04);
    }
}

.management-hub-modal-overlay .hub-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
    border-color: var(--accent);
    background: #ffffff;
}

@media (prefers-color-scheme: dark) {
    .management-hub-modal-overlay .hub-item:hover {
        background: rgba(55, 65, 81, 0.8);
    }
}

.management-hub-modal-overlay .hub-item.active {
    border-color: var(--accent);
    background: rgba(206, 17, 38, 0.04);
    color: var(--accent);
}

.management-hub-modal-overlay .hub-item-icon-wrapper {
    width: 34px;
    height: 34px;
    border-radius: 8px;
    background: #f3f4f6;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: transform 0.2s ease;
}

@media (prefers-color-scheme: dark) {
    .management-hub-modal-overlay .hub-item-icon-wrapper {
        background: rgba(17, 24, 39, 0.5);
    }
}

.management-hub-modal-overlay .hub-item:hover .hub-item-icon-wrapper {
    transform: scale(1.1);
}

.management-hub-modal-overlay .hub-item-details {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-grow: 1;
    width: calc(100% - 44px);
}

.management-hub-modal-overlay .hub-item-title {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.management-hub-modal-overlay .hub-item-badge {
    background-color: var(--accent);
    color: white;
    font-size: 0.75rem;
    padding: 2px 6px;
    border-radius: 50px;
    font-weight: 800;
}

/* --- Sidebar Dropdowns / Submenus --- */
.sidebar .has-dropdown {
    position: relative;
    cursor: pointer;
    padding-inline-end: 3.2rem !important; /* Ensure space for the arrow */
    white-space: normal !important; /* Allow the long category title to wrap onto multiple lines */
}

.sidebar .has-dropdown::after {
    content: '\f078'; /* FontAwesome Chevron Down */
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 0.75rem;
    position: absolute;
    right: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    transition: transform 0.3s ease;
    opacity: 0.7;
}

html[dir="rtl"] .sidebar .has-dropdown::after {
    right: auto;
    left: 1.5rem;
}

.sidebar .has-dropdown.active::after {
    transform: translateY(-50%) rotate(180deg);
}

.sidebar.collapsed .has-dropdown::after {
    display: none; /* Hide arrow when collapsed */
}

/* Submenu container */
.sidebar-submenu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    background: rgba(0, 0, 0, 0.12); /* Subtle contrast shading */
}

.sidebar-submenu a {
    padding: 0.6rem 1.5rem 0.6rem 2.75rem; /* Indented for LTR */
    font-size: 0.85rem;
    border-inline-start-color: transparent !important;
}

html[dir="rtl"] .sidebar-submenu a {
    padding: 0.6rem 2.75rem 0.6rem 1.5rem; /* Indented for RTL */
}

.sidebar-submenu a:hover, .sidebar-submenu a.active {
    background: rgba(255, 255, 255, 0.05);
    color: white;
}

.sidebar-submenu a i {
    font-size: 0.95rem;
    opacity: 0.8;
}

/* Collapsed sidebar adjustments for submenus */
.sidebar.collapsed .sidebar-submenu {
    display: none !important; /* Hide submenus completely when sidebar is collapsed */
}

/* --- Sidebar Search (Quick Find) --- */
.sidebar-search {
    padding: 0.5rem 1rem 0.75rem;
    position: relative;
    z-index: 1060;
}

.sidebar.collapsed .sidebar-search {
    display: none !important; /* Hide search when collapsed */
}

.search-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.sidebar-search input {
    width: 100%;
    background: rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 0.5rem 1rem 0.5rem 2.25rem;
    color: white;
    font-size: 0.85rem;
    transition: all 0.25s ease;
}

html[dir="rtl"] .sidebar-search input {
    padding: 0.5rem 2.25rem 0.5rem 1rem;
}

.sidebar-search input::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.sidebar-search input:focus {
    background: rgba(0, 0, 0, 0.25);
    border-color: var(--accent);
    outline: none;
    box-shadow: 0 0 0 3px rgba(206, 17, 38, 0.15);
}

.sidebar-search .search-icon {
    position: absolute;
    left: 0.85rem;
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.85rem;
    pointer-events: none;
}

html[dir="rtl"] .sidebar-search .search-icon {
    left: auto;
    right: 0.85rem;
}

.sidebar-search #clearSearchBtn {
    position: absolute;
    right: 0.75rem;
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.4);
    font-size: 1.1rem;
    cursor: pointer;
    line-height: 1;
}

html[dir="rtl"] .sidebar-search #clearSearchBtn {
    right: auto;
    left: 0.75rem;
}

.sidebar-search #clearSearchBtn:hover {
    color: white;
}

/* Results Dropdown */
.search-results-dropdown {
    position: absolute;
    top: 100%;
    left: 1rem;
    right: 1rem;
    background: #1f2937; /* Very dark slate shade matching header */
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 8px;
    margin-top: 0.25rem;
    max-height: 250px;
    overflow-y: auto;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
    z-index: 1070;
}

.search-results-dropdown a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 1rem !important;
    font-size: 0.82rem;
    color: #e5e7eb !important;
    border-inline-start: 3px solid transparent;
    transition: all 0.2s;
    text-decoration: none !important;
}

.search-results-dropdown a:hover {
    background: rgba(255, 255, 255, 0.05);
    color: white !important;
    border-inline-start-color: var(--accent);
}

.search-results-dropdown .no-results {
    padding: 1rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.8rem;
}