/* Layout Core */
.wrapper {
    display: flex;
    width: 100%;
    align-items: stretch;
    height: 100vh;
    overflow: hidden;
}

/* Sidebar */
.sidebar {
    min-width: 260px;
    max-width: 260px;
    background: var(--bg-surface);
    color: var(--text-main);
    transition: all 0.3s ease;
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    z-index: 1040;
}

.sidebar.collapsed {
    min-width: 80px;
    max-width: 80px;
}

.sidebar-header {
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    height: 75px;
}

.sidebar-header h5 {
    white-space: nowrap;
    overflow: hidden;
    transition: opacity 0.3s;
}

.sidebar.collapsed .sidebar-header h5 {
    opacity: 0;
    width: 0;
}

/* Shiny Logo */
.sidebar-logo {
    position: relative;
    overflow: hidden;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    min-width: 40px;
    margin-right: 12px;
    background-color: transparent;
    transition: margin 0.3s;
}

.sidebar-logo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.sidebar-logo::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(to right, rgba(255,255,255,0) 0%, rgba(255,255,255,0.8) 50%, rgba(255,255,255,0) 100%);
    transform: skewX(-25deg);
    animation: shine 3s infinite;
    z-index: 1;
}

@keyframes shine {
    0% { left: -100%; }
    20% { left: 200%; }
    100% { left: 200%; }
}

.sidebar.collapsed .sidebar-logo {
    margin-right: 0;
}

.sidebar-menu {
    padding: 1rem 0.5rem;
    overflow-y: auto;
    flex-grow: 1;
}

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

.sidebar-menu li {
    margin-bottom: 0.25rem;
}

.sidebar-menu a {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    color: var(--text-muted);
    border-radius: 8px;
    transition: all 0.2s;
    font-weight: 500;
}

.sidebar-menu a i {
    font-size: 1.25rem;
    margin-right: 1rem;
    min-width: 24px;
    text-align: center;
}

.sidebar-menu a span {
    white-space: nowrap;
    transition: opacity 0.3s;
}

.sidebar.collapsed .sidebar-menu a span {
    opacity: 0;
    display: none;
}

.sidebar-menu a:hover, .sidebar-menu li.active a {
    background-color: var(--primary-light);
    color: var(--primary);
}

/* Sidebar Footer */
.sidebar-footer {
    min-height: 70px;
    overflow: hidden;
}

.sidebar.collapsed .sidebar-user-info,
.sidebar.collapsed .sidebar-logout-btn {
    opacity: 0;
    display: none !important;
}

/* Main Content */
.main-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background-color: var(--bg-body);
}

/* Topbar */
.topbar {
    height: 75px;
    padding: 0 1.5rem;
    background: var(--bg-surface-hover);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    z-index: 1030;
}

.topbar-left, .topbar-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.btn-icon-only {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: var(--text-muted);
    background: transparent;
    border: none;
    transition: all 0.2s;
}

.btn-icon-only:hover {
    background: var(--bg-surface-hover);
    color: var(--text-main);
}

.search-box {
    display: flex;
    align-items: center;
    background: var(--bg-surface-hover);
    border-radius: 20px;
    padding: 0.4rem 1rem;
    border: 1px solid var(--border-color);
    width: 300px;
}

.search-box i {
    color: var(--text-muted);
    margin-right: 0.5rem;
}

.search-box input {
    border: none;
    background: transparent;
    outline: none;
    width: 100%;
    color: var(--text-main);
}

.search-box .shortcut {
    font-size: 0.75rem;
    color: var(--text-muted);
    background: var(--border-color);
    padding: 0.1rem 0.4rem;
    border-radius: 4px;
}

/* Avatar Premium Styling */
.avatar-premium {
    border: 2px solid var(--bg-surface);
    box-shadow: 0 0 0 2px var(--primary), 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}
.avatar-premium:hover {
    transform: scale(1.05);
    box-shadow: 0 0 0 3px var(--primary), 0 8px 12px -3px rgba(0, 0, 0, 0.15);
}

.profile-dropdown img {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--bg-surface);
    box-shadow: 0 0 0 2px var(--primary), 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}
.profile-dropdown img:hover {
    transform: scale(1.05);
    box-shadow: 0 0 0 3px var(--primary), 0 8px 12px -3px rgba(0, 0, 0, 0.15);
}

/* Page Content */
.page-content {
    flex-grow: 1;
    padding: 1.5rem;
    overflow-y: auto;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 1.5rem;
}

.page-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.page-subtitle {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* DataTables Overrides */
.dataTables_wrapper .dataTables_length, .dataTables_wrapper .dataTables_filter, .dataTables_wrapper .dataTables_info, .dataTables_wrapper .dataTables_processing, .dataTables_wrapper .dataTables_paginate {
    color: var(--text-main) !important;
}

table.dataTable {
    color: var(--text-main) !important;
    border-collapse: collapse !important;
}

table.dataTable thead th, table.dataTable thead td {
    border-bottom: 1px solid var(--border-color) !important;
    background-color: var(--bg-surface-hover);
}

table.dataTable tbody tr {
    background-color: transparent !important;
}

table.dataTable tbody th, table.dataTable tbody td {
    border-bottom: 1px solid var(--border-color) !important;
}

/* Command Palette Overlay */
#commandPalette {
    display: none;
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 9999;
    align-items: flex-start;
    justify-content: center;
    padding-top: 10vh;
}

#commandPalette.active {
    display: flex;
}

.cmd-palette-box {
    width: 100%;
    max-width: 600px;
    background: var(--bg-surface);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.cmd-input-wrap {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
}

.cmd-input-wrap i {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-right: 1rem;
}

.cmd-input-wrap input {
    width: 100%;
    border: none;
    background: transparent;
    font-size: 1.1rem;
    outline: none;
    color: var(--text-main);
}

.cmd-list {
    max-height: 300px;
    overflow-y: auto;
    padding: 0.5rem 0;
}

.cmd-item {
    padding: 0.75rem 1.5rem;
    display: flex;
    align-items: center;
    color: var(--text-main);
    cursor: pointer;
}

.cmd-item:hover, .cmd-item.active {
    background: var(--bg-surface-hover);
    color: var(--primary);
}

.cmd-item i {
    margin-right: 1rem;
    color: var(--text-muted);
}

/* Toast Container */
.toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1050;
}

/* Responsive */
@media (max-width: 991.98px) {
    .sidebar {
        position: fixed;
        left: -260px;
        height: 100%;
    }
    
    .sidebar.show {
        left: 0;
    }
    
    .main-content {
        width: 100%;
    }
    
    .search-box {
        display: none;
    }
}

/* Global DataTables Customization */
table.dataTable thead > tr > th, table.dataTable thead > tr > td {
    text-align: center !important;
    vertical-align: middle;
}

table.dataTable.table-sm thead > tr > th {
    padding-right: 20px !important;
}

/* Hide default DataTables sorting arrows */
table.dataTable thead > tr > th.sorting, 
table.dataTable thead > tr > th.sorting_asc, 
table.dataTable thead > tr > th.sorting_desc {
    background-image: none !important;
    position: relative;
    padding-right: 25px !important;
}

/* Hide Native DataTables ::before (Up Triangle) */
table.dataTable thead > tr > th.sorting::before,
table.dataTable thead > tr > th.sorting_asc::before,
table.dataTable thead > tr > th.sorting_desc::before,
table.dataTable thead > tr > td.sorting::before,
table.dataTable thead > tr > td.sorting_asc::before,
table.dataTable thead > tr > td.sorting_desc::before {
    display: none !important;
    content: none !important;
}

/* Custom Sort Icons using FontAwesome 5 (Matched to request) */
table.dataTable thead > tr > th.sorting::after,
table.dataTable thead > tr > th.sorting_asc::after,
table.dataTable thead > tr > th.sorting_desc::after,
table.dataTable thead > tr > td.sorting::after,
table.dataTable thead > tr > td.sorting_asc::after,
table.dataTable thead > tr > td.sorting_desc::after {
    position: absolute !important;
    right: 8px !important;
    top: 50% !important;
    transform: translateY(-50%) !important;
    font-family: "Font Awesome 5 Free" !important;
    font-weight: 900 !important;
    font-size: 0.95rem !important;
    color: var(--text-muted) !important;
    opacity: 0.3 !important;
    line-height: 1 !important;
    display: block !important;
}

/* Unsorted state: show sort-down faded */
table.dataTable thead > tr > th.sorting::after,
table.dataTable thead > tr > td.sorting::after {
    content: "\f160" !important; /* fa-sort-amount-down */
}

/* Ascending state */
table.dataTable thead > tr > th.sorting_asc::after,
table.dataTable thead > tr > td.sorting_asc::after {
    content: "\f162" !important; /* fa-sort-amount-up */
    opacity: 1 !important;
    color: var(--primary) !important;
}

/* Descending state */
table.dataTable thead > tr > th.sorting_desc::after,
table.dataTable thead > tr > td.sorting_desc::after {
    content: "\f160" !important; /* fa-sort-amount-down */
    opacity: 1 !important;
    color: var(--primary) !important;
}