:root {
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --bg-main: #f8fafc;
    --bg-card: #ffffff;
    --bg-sidebar: #1e293b;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #0ea5e9;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

.dark-mode {
    --bg-main: #0f172a;
    --bg-card: #1e293b;
    --bg-sidebar: #0f172a;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --border: #334155;
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.3), 0 2px 4px -2px rgb(0 0 0 / 0.3);
}

* {
    box-sizing: border-box;
    font-family: 'Cairo', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    margin: 0;
    background-color: var(--bg-main);
    color: var(--text-main);
    display: flex;
    min-height: 100vh;
    transition: all 0.3s ease;
}

/* Sidebar Layout */
.sidebar {
    width: 280px;
    background: var(--bg-sidebar);
    color: white;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 1000;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 4px 0 10px rgba(0,0,0,0.1);
}

.sidebar-header {
    padding: 40px 20px;
    text-align: center;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.sidebar-header i {
    font-size: 3rem;
    background: linear-gradient(135deg, var(--primary), var(--info));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 15px;
}

.sidebar-header h2 {
    margin: 0;
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: 1px;
}

.sidebar-menu {
    padding: 30px 0;
    flex-grow: 1;
}

.menu-item {
    padding: 14px 25px;
    display: flex;
    align-items: center;
    gap: 15px;
    color: #94a3b8;
    text-decoration: none;
    transition: 0.3s;
    cursor: pointer;
    border-right: 4px solid transparent;
    font-weight: 600;
}

.menu-item:hover, .menu-item.active {
    background: rgba(99, 102, 241, 0.1);
    color: white;
    border-right-color: var(--primary);
}

.menu-item i {
    width: 24px;
    font-size: 1.2rem;
    text-align: center;
}

.sidebar-footer {
    padding: 25px;
    border-top: 1px solid rgba(255,255,255,0.05);
}

/* Main Content Area */
.main-content {
    margin-right: 280px; /* For RTL */
    flex-grow: 1;
    width: calc(100% - 280px);
    padding: 30px;
    transition: all 0.3s ease;
}

/* Header Top */
.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.header-title h1 {
    margin: 0;
    font-size: 1.8rem;
    font-weight: 800;
}

.header-title p {
    margin: 5px 0 0 0;
    color: var(--text-muted);
}

.header-actions {
    display: flex;
    gap: 15px;
    align-items: center;
}

/* View Controls (Tabs Replacement) */
.view-tabs {
    display: none; /* Handled by Sidebar now */
}

.dashboard-view, .sites-view {
    display: none;
    animation: fadeIn 0.4s ease-out;
}

.dashboard-view.active, .sites-view.active {
    display: block;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    padding: 15px 25px;
    border-radius: 12px;
    color: white;
    box-shadow: 0 10px 15px -3px rgba(0,0,0,0.3);
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 300px;
    animation: slideIn 0.3s ease forwards;
    font-weight: 600;
}

.toast-success { background: var(--success); }
.toast-error { background: var(--danger); }
.toast-info { background: var(--info); }
.toast-warning { background: var(--warning); }

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes fadeOut {
    from { transform: translateX(0); opacity: 1; }
    to { transform: translateX(100%); opacity: 0; }
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Sites Grid & Cards */
.sites-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 25px;
    padding-top: 10px;
}

.site-card {
    background: var(--bg-main);
    border-radius: 20px;
    padding: 25px;
    border: 1.5px solid var(--border);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.site-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
}

.site-card::after {
    content: '\f1ad';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    left: -10px;
    bottom: -10px;
    font-size: 5rem;
    opacity: 0.03;
    transform: rotate(-15deg);
    pointer-events: none;
}

.site-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.site-title h3 {
    margin: 0;
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--text-main);
}

.site-title span {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 600;
}

.site-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.site-stat-item {
    background: rgba(99, 102, 241, 0.03);
    padding: 12px;
    border-radius: 12px;
    border: 1px solid var(--border);
}

.site-stat-item .label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 5px;
}

.site-stat-item .value {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--text-main);
}

.site-footer {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    color: var(--primary);
    font-weight: 700;
    font-size: 0.9rem;
    gap: 8px;
}

.site-footer i {
    transition: transform 0.3s;
}

.site-card:hover .site-footer i {
    transform: translateX(-5px);
}

/* Branch Indicator/Selector */
.branch-selector-container {
    background: var(--bg-card);
    padding: 10px 20px;
    border-radius: 12px;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: var(--shadow-sm);
}

.branch-selector-container label {
    font-weight: 700;
    color: var(--primary);
    font-size: 0.9rem;
}

.branch-selector-container select {
    background: transparent;
    border: none;
    color: var(--text-main);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    outline: none;
}

.branch-selector-container select option {
    background: var(--bg-card);
    color: var(--text-main);
}

/* Global Select Option Fix for Dark Mode */
select option {
    background-color: var(--bg-card) !important;
    color: var(--text-main) !important;
}

/* KPI Cards */
.kpi-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 25px;
    margin-bottom: 40px;
}

.kpi-card {
    background: var(--bg-card);
    padding: 25px;
    border-radius: 20px;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 20px;
    box-shadow: var(--shadow);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.kpi-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.kpi-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    flex-shrink: 0;
}

.kpi-card.blue .kpi-icon { background: rgba(99, 102, 241, 0.1); color: var(--primary); }
.kpi-card.green .kpi-icon { background: rgba(16, 185, 129, 0.1); color: var(--success); }
.kpi-card.cyan .kpi-icon { background: rgba(14, 165, 233, 0.1); color: var(--info); }
.kpi-card.red .kpi-icon { background: rgba(239, 68, 68, 0.1); color: var(--danger); }

.kpi-info h4 {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.kpi-info .kpi-value {
    margin: 5px 0 0 0;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-main);
}

/* Filters Section */
.filters-section {
    margin-bottom: 30px;
}

.filter-pills {
    display: flex;
    gap: 12px;
    padding: 5px;
    overflow-x: auto;
    scrollbar-width: none;
}

.filter-pill {
    padding: 10px 22px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--text-muted);
    font-weight: 600;
    white-space: nowrap;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

/* التلوين التلقائي للخيارات */
.filter-pill:nth-child(2n) { border-right: 4px solid var(--primary); }
.filter-pill:nth-child(3n) { border-right: 4px solid var(--success); }
.filter-pill:nth-child(4n) { border-right: 4px solid var(--warning); }
.filter-pill:nth-child(5n) { border-right: 4px solid var(--info); }

.filter-pill:hover {
    transform: translateY(-2px);
    background: rgba(99, 102, 241, 0.05);
    color: var(--text-main);
}

.filter-pill.active {
    background: linear-gradient(135deg, var(--primary), var(--info));
    color: white;
    border-color: transparent;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 30px;
    margin-bottom: 40px;
}

.dashboard-grid.full-layout {
    grid-template-columns: 1fr;
}

.dashboard-box {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 30px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    gap: 20px;
}

.table-title {
    display: flex;
    align-items: center;
    gap: 12px;
}

.table-title h3 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 700;
}

.table-title i {
    color: var(--primary);
    font-size: 1.4rem;
}

.table-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

/* Search Box */
.search-box {
    position: relative;
    width: 300px;
}

.search-box i {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.search-box input {
    width: 100%;
    background: var(--bg-main);
    border: 1px solid var(--border);
    color: var(--text-main);
    padding: 10px 40px 10px 15px;
    border-radius: 10px;
    outline: none;
    transition: 0.3s;
}

.search-box input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* Table */
.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0 8px;
}

th {
    text-align: right;
    padding: 12px 20px;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
}

td {
    padding: 16px 20px;
    background: var(--bg-main);
    border-top: 1px solid transparent;
    border-bottom: 1px solid transparent;
}

td:first-child { border-radius: 0 12px 12px 0; border-right: 1px solid transparent; }
td:last-child { border-radius: 12px 0 0 12px; border-left: 1px solid transparent; }

tr:hover td {
    background: rgba(99, 102, 241, 0.05);
    border-color: rgba(99, 102, 241, 0.1);
}

/* Status Badges */
.status-badge {
    padding: 6px 12px;
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.status-online { background: rgba(16, 185, 129, 0.1); color: var(--success); }
.status-offline { background: rgba(239, 68, 68, 0.1); color: var(--danger); }
.status-warning { background: rgba(245, 158, 11, 0.1); color: var(--warning); }
.status-info { background: rgba(14, 165, 233, 0.1); color: var(--info); }

/* Buttons */
.btn {
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    position: relative;
    overflow: hidden;
}

.btn:active {
    transform: scale(0.96);
}

.btn-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--bg-card);
    border: 1.5px solid var(--border);
    color: var(--text-main);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-icon:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.2);
}

.btn-icon:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-success { 
    background: linear-gradient(135deg, var(--success), #059669); 
    color: white; 
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.2);
}

.btn-success:hover { 
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(16, 185, 129, 0.3);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(8px);
    overflow-y: auto;
}

.modal-content {
    background: var(--bg-card);
    margin: 5% auto;
    padding: 40px;
    border: 1px solid var(--border);
    width: 90%;
    max-width: 800px;
    border-radius: 24px;
    position: relative;
    box-shadow: var(--shadow-lg);
    animation: modalSlide 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes modalSlide {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.close-modal {
    position: absolute;
    left: 30px;
    top: 30px;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-muted);
}

/* Responsive */
@media (max-width: 1200px) {
    .dashboard-grid { grid-template-columns: 1fr; }
}

@media (max-width: 992px) {
    .sidebar { width: 80px; }
    .sidebar-header h2, .menu-item span, .sidebar-footer span { display: none; }
    .main-content { margin-right: 80px; width: calc(100% - 80px); }
    .menu-item { justify-content: center; padding: 15px; }
}

@media (max-width: 768px) {
    .kpi-section { grid-template-columns: 1fr 1fr; }
    .header-top { flex-direction: column; align-items: flex-start; gap: 20px; }
    .main-content { padding: 20px; }
}