:root {
    --primary-color: #196adc; /* Premium Blue */
    --primary-hover: #b92ed2; /* Purple Hover */
    --bg-light: #f8f9fa;
    --text-light: #4a4a4a;
    --card-light: rgba(255, 255, 255, 0.8);
    
    --bg-dark: #121212;
    --text-dark: #e0e0e0;
    --card-dark: rgba(30, 30, 30, 0.8);
    
    --transition-speed: 0.3s;
    --glass-blur: 15px;
}

[data-theme="light"] {
    --bg: var(--bg-light);
    --text: var(--text-light);
    --card-bg: var(--card-light);
    --header-bg: rgba(255, 255, 255, 0.9);
    --border-color: rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] {
    --bg: var(--bg-dark);
    --text: var(--text-dark);
    --card-bg: var(--card-dark);
    --header-bg: rgba(18, 18, 18, 0.9);
    --border-color: rgba(255, 255, 255, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', 'Amiri', sans-serif;
}

body {
    background: var(--bg);
    color: var(--text);
    transition: background var(--transition-speed), color var(--transition-speed);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

[dir="rtl"] {
    text-align: right;
}

/* Header & Navigation */
header {
    background: var(--header-bg);
    backdrop-filter: blur(var(--glass-blur));
    border-bottom: 1px solid var(--border-color);
    padding: 0.5rem 5%;
    position: sticky;
    top: 0;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-section img#shop-logo {
    max-height: 45px;
    width: auto;
    border-radius: 8px;
    object-fit: contain;
}

#shop-name {
    font-size: 1.3rem;
    font-weight: 700;
    margin: 0;
    color: var(--primary-color);
}

#main-nav {
    display: flex;
    justify-content: space-between;
    flex-grow: 1;
    margin: 0 2rem;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 1.5rem;
    align-items: center;
}

.nav-secondary {
    margin-left: auto;
}

.user-profile-dropdown {
    position: relative;
    display: flex;
    align-items: center;
}

.profile-menu {
    position: absolute;
    top: 100%;
    right: 0;
    z-index: 1100;
    width: 200px;
    background: var(--card-bg) !important;
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--border-color) !important;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
    padding: 8px 0;
}

/* Invisible bridge to prevent dropdown from closing when moving mouse across the gap */
.dropdown-menu::before, .profile-menu::before {
    content: '';
    position: absolute;
    top: -15px;
    left: 0;
    right: 0;
    height: 15px;
    background: transparent;
}

[dir="rtl"] .profile-menu {
    right: auto;
    left: 0;
}

.user-badge {
    padding: 6px 12px;
    background: rgba(var(--primary-hover-rgb), 0.1);
    border: 1px solid rgba(var(--primary-hover-rgb), 0.3);
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--primary-color);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s;
}

.user-badge:hover {
    background: rgba(212, 175, 55, 0.2);
    transform: translateY(-1px);
}

.dropdown:hover .dropdown-menu {
    display: block;
}

nav a {
    text-decoration: none !important;
    color: var(--text);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    font-size: 0.75rem;
    position: relative;
    transition: all 0.3s;
    display: flex;
    align-items: center;
}

nav a.active, nav a:hover {
    color: var(--primary-color);
}
/* Note: Dynamic overrides in index.php handle the branding when header is themed */

nav a i:not(.dropdown-chevron) {
    width: 16px;
    height: 16px;
    margin-right: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

nav a i svg {
    width: 16px !important;
    height: 16px !important;
}

.profile-menu li a {
    padding: 12px 18px !important;
    font-size: 0.85rem !important;
    text-transform: uppercase !important;
    letter-spacing: 1px !important;
    display: flex;
    align-items: center;
    color: var(--text) !important;
    transition: all 0.3s;
    text-decoration: none !important;
    opacity: 1 !important;
}

.profile-menu li a span {
    padding-left: 5px;
}

.profile-menu li a i {
    margin-right: 15px !important;
}

[dir="rtl"] .profile-menu li a i {
    margin-right: 0 !important;
    margin-left: 15px !important;
}

[dir="rtl"] .profile-menu li a span {
    padding-left: 0;
    padding-right: 5px;
}

.profile-menu li a.logout-link {
    color: #fff !important;
    background: #ff4d4d;
    margin: 5px 10px;
    border-radius: 8px;
    font-weight: 700;
}

.profile-menu li a.logout-link:hover {
    background: #e60000 !important;
    color: #fff !important;
}

.profile-menu li a.logout-link i {
    color: #fff !important;
}

nav a {
    text-decoration: none !important;
    color: var(--text);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    font-size: 0.85rem;
    position: relative;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    opacity: 1 !important;
}

nav a.active, nav a:hover {
    color: var(--primary-color);
    opacity: 1 !important;
}

nav a span {
    padding-left: 5px;
}

[dir="rtl"] nav a i:not(.dropdown-chevron) {
    margin-right: 0;
    margin-left: 10px;
}

[dir="rtl"] nav a span {
    padding-left: 0;
    padding-right: 5px;
}

nav a:hover {
    color: var(--primary-color);
}

/* Dropdown Styles */
.dropdown {
    position: relative;
    display: flex;
    align-items: center;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--card-bg);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--border-color);
    border-radius: 10px;
    min-width: 200px;
    padding: 0.5rem 0;
    display: none;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    z-index: 1100;
}

[dir="rtl"] .dropdown-menu {
    left: auto;
    right: 50%;
    transform: translateX(50%);
}

.dropdown:hover .dropdown-menu {
    display: block;
    animation: navFadeIn 0.3s ease;
}

.dropdown-menu li {
    display: block;
    width: 100%;
}

.dropdown-menu a {
    display: block;
    padding: 0.8rem 1.2rem;
    text-transform: uppercase;
    font-size: 0.85rem;
    white-space: nowrap;
}

.dropdown-menu a::after {
    display: none !important;
}

.dropdown-menu a:hover {
    background: rgba(212, 175, 55, 0.1);
}

@keyframes navFadeIn {
    from { opacity: 0; transform: translate(-50%, 10px); }
    to { opacity: 1; transform: translate(-50%, 0); }
}

[dir="rtl"] @keyframes navFadeIn {
    from { opacity: 0; transform: translate(50%, 10px); }
    to { opacity: 1; transform: translate(50%, 0); }
}

nav a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary-color);
}

.controls {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.btn-icon {
    background: none;
    border: none;
    padding: 6px;
    cursor: pointer;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    border-radius: 6px;
}

.btn-icon i {
    width: 16px !important;
    height: 16px !important;
}

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

/* Main Content */
main {
    flex: 1;
    padding: 2rem 5%;
}

.premium-card {
    background: var(--card-bg);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.1);
}

/* Dashboard Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    padding: 1.5rem;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: var(--primary-text);
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
}

/* Footer */
footer {
    padding: 1rem;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

/* Forms & Buttons */
.btn-primary {
    background: var(--primary-color);
    color: var(--primary-text);
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: transform 0.2s, background 0.3s;
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
}

input:not(.select2-search__field), 
select:not(.select2-search__field), 
textarea:not(.select2-search__field) {
    padding: 0.6rem 0.8rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    color: var(--text);
    margin-bottom: 1rem;
    width: 100%;
    outline: none;
    transition: border-color 0.3s, box-shadow 0.3s;
    font-size: 0.9rem;
}

input:focus, select:focus, textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(var(--primary-hover-rgb), 0.15);
}

textarea:not(.select2-search__field) {
    resize: vertical;
    min-height: 100px;
    line-height: 1.6;
}

label {
    display: block;
    margin-bottom: 5px;
    font-size: 0.85rem;
    font-weight: 600;
    opacity: 0.8;
}

/* Billing specific */
.billing-item, .edit-item-row {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1rem;
    align-items: flex-start;
}

/* --- DataTables Premium Universal Styling --- */
.dataTables_wrapper {
    padding: 1rem 0;
}

/* Colors & Contrast */
[data-theme="dark"] .dataTables_wrapper .dataTables_length, 
[data-theme="dark"] .dataTables_wrapper .dataTables_filter, 
[data-theme="dark"] .dataTables_wrapper .dataTables_info, 
[data-theme="dark"] .dataTables_wrapper .dataTables_processing, 
[data-theme="dark"] .dataTables_wrapper .dataTables_paginate {
    color: var(--text-dark) !important;
}

/* Search Bar */
.dataTables_filter input {
    background: var(--card-bg) !important;
    color: var(--text) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 8px !important;
    padding: 8px 12px !important;
    margin-left: 10px;
    width: 250px;
    outline: none;
    transition: border-color 0.3s;
}
.dataTables_filter input:focus {
    border-color: var(--primary-color) !important;
}

/* Table Header */
table.dataTable thead th {
    background: rgba(var(--primary-hover-rgb), 0.1);
    color: var(--primary-color);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 1px;
    font-weight: 700;
    padding: 15px 10px !important;
    border-bottom: 2px solid var(--primary-color) !important;
}

/* Table Body Rows */
table.dataTable tbody tr {
    background-color: transparent !important;
    transition: background-color 0.2s;
}
table.dataTable tbody tr:hover {
    background-color: rgba(var(--primary-hover-rgb), 0.05) !important;
}
table.dataTable tbody td {
    padding: 12px 10px !important;
    border-bottom: 1px solid var(--border-color) !important;
}

/* Remove sorting highlight background */
table.dataTable.display tbody tr > .sorting_1, 
table.dataTable.order-column.hover tbody tr > .sorting_1,
table.dataTable.display tbody tr > .sorting_2,
table.dataTable.display tbody tr > .sorting_3 {
    background-color: transparent !important;
}

/* Pagination */
.dataTables_wrapper .dataTables_paginate .paginate_button {
    border-radius: 6px !important;
    border: 1px solid var(--border-color) !important;
    background: var(--card-bg) !important;
    color: var(--text);
    margin: 0 3px;
    padding: 5px 12px !important;
}
.dataTables_wrapper .dataTables_paginate .paginate_button.current,
.dataTables_wrapper .dataTables_paginate .paginate_button.current:hover,
.dataTables_wrapper .dataTables_paginate .paginate_button.current:active,
.dataTables_wrapper .dataTables_paginate .paginate_button.current:focus {
    background: var(--primary-color) !important;
    background-image: none !important;
    color: var(--primary-text) !important;
    border-color: var(--primary-color) !important;
}
.dataTables_wrapper .dataTables_paginate .paginate_button:hover {
    background: var(--primary-hover) !important;
    background-image: none !important;
    color: var(--primary-text) !important;
    border: 1px solid var(--primary-hover) !important;
}

/* Selection Highlight */
.selected-row {
    background-color: rgba(var(--primary-hover-rgb), 0.15) !important;
}

/* Remove default footer border */
table.dataTable.no-footer {
    border-bottom: none !important;
}

/* --- Select2 Premium Universal Styling --- */
.select2-container--default .select2-selection--single {
    background-color: var(--card-bg) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 8px !important;
    height: 32px !important;
    padding: 0 5px !important;
    transition: border-color 0.3s, box-shadow 0.3s;
    display: flex;
    align-items: center;
}

.select2-container--default .select2-selection--multiple {
    background-color: var(--card-bg) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 6px !important;
    min-height: 32px !important;
    height: auto !important;
    padding: 0 4px !important;
    transition: border-color 0.3s, box-shadow 0.3s;
    display: block !important;
}

.select2-container--default .select2-selection--multiple .select2-selection__rendered {
    display: block !important;
    padding: 0 !important;
    margin: 0 !important;
    list-style: none !important;
}

.select2-container,
.select2-container * {
    margin-bottom: 0 !important;
}

.select2-container--default.select2-container--focus .select2-selection--single,
.select2-container--default.select2-container--focus .select2-selection--multiple {
    border-color: var(--primary-color) !important;
    outline: none;
}

.select2-container--default .select2-selection--single .select2-selection__rendered {
    color: var(--text) !important;
    line-height: 30px !important;
}

/* Multi-select Tags (Choices) */
.select2-container--default .select2-selection--multiple .select2-selection__choice {
    background-color: #f0f0f0 !important;
    border: 1px solid #ccc !important;
    color: #333 !important;
    border-radius: 3px !important;
    padding: 0 4px !important;
    margin: 3px 4px 3px 0 !important;
    font-size: 0.8rem !important;
    float: left;
    height: 24px;
    line-height: 22px;
}

.select2-container--default .select2-selection--multiple .select2-selection__choice__remove {
    color: #999 !important;
    margin-right: 5px !important;
    border: none !important;
    font-weight: bold;
}

.select2-container--default .select2-selection--multiple .select2-selection__choice__remove:hover {
    background: none !important;
    color: #ff4d4d !important;
}

/* Dropdown styling */
.select2-dropdown {
    background-color: var(--bg) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 10px !important;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2) !important;
    overflow: hidden;
    z-index: 2000 !important;
}

.select2-container--default .select2-results__option {
    padding: 6px 12px !important;
    color: var(--text) !important;
    font-size: 0.85rem !important;
}

.select2-container--default .select2-results__option--highlighted[aria-selected],
.select2-container--default .select2-results__option--highlighted.select2-results__option--selectable {
    background-color: var(--primary-color) !important;
    color: var(--primary-text) !important;
}

.select2-container--default .select2-results__option[aria-selected=true] {
    background-color: rgba(var(--primary-hover-rgb), 0.2) !important;
    color: var(--text) !important;
}

[data-theme="dark"] .select2-container--default .select2-results__option[aria-selected=true] {
    color: var(--primary-text) !important;
}

.select2-container--default .select2-search--dropdown .select2-search__field {
    background-color: var(--bg) !important;
    color: var(--text) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 6px !important;
    padding: 8px !important;
}

/* Inline Search Field (Inside the selection box) */
.select2-container--default .select2-search--inline {
    float: left;
}
.select2-container--default .select2-search--inline .select2-search__field {
    height: 24px !important;
    line-height: normal !important;
    margin: 3px 0 !important;
    padding: 0 5px !important;
    background: transparent !important;
    border: none !important;
    color: var(--text) !important;
    font-size: 0.85rem !important;
    width: auto !important;
    box-shadow: none !important;
}

/* --- Dark Mode Overrides --- */
[data-theme="dark"] .select2-container--default .select2-selection--single,
[data-theme="dark"] .select2-container--default .select2-selection--multiple {
    background-color: #1a1a1a !important;
}

[data-theme="dark"] .select2-dropdown {
    background-color: #1a1a1a !important;
}

[data-theme="dark"] .select2-search__field {
    background-color: #121212 !important;
}

/* --- DataTables Buttons Premium Styling --- */
.dt-buttons {
    margin-bottom: 2rem !important;
    display: flex !important;
    gap: 10px !important;
    flex-wrap: wrap !important;
}

button.dt-button {
    background: var(--card-bg) !important;
    border: 1px solid var(--border-color) !important;
    color: var(--text) !important;
    border-radius: 8px !important;
    padding: 8px 20px !important;
    font-size: 0.85rem !important;
    font-weight: 600 !important;
    transition: all 0.3s ease !important;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1) !important;
    background-image: none !important;
    display: inline-flex !important;
    align-items: center !important;
    gap: 8px !important;
}

button.dt-button:hover {
    background: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
    color: var(--primary-text) !important;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3) !important;
}

button.dt-button:active {
    transform: translateY(0);
}

button.buttons-excel {
    border-left: 4px solid #1d6f42 !important; /* Excel Green */
}
button.buttons-pdf {
    border-left: 4px solid #f40f02 !important; /* PDF Red */
}
button.buttons-print {
    border-left: 4px solid var(--primary-color) !important;
}