/* =============================================
   نظام كاشير السوبرماركت - التصميم الاحترافي
   Supermarket POS Premium Theme
   ============================================= */

/* =============================================
   المتغيرات الأساسية (CSS Variables)
   ============================================= */
:root {
    /* الألوان الأساسية */
    --primary: #6366f1;
    --primary-light: #818cf8;
    --primary-dark: #4f46e5;
    --primary-glow: rgba(99, 102, 241, 0.3);
    
    --secondary: #0ea5e9;
    --secondary-light: #38bdf8;
    
    --success: #22c55e;
    --success-light: #4ade80;
    --success-bg: rgba(34, 197, 94, 0.1);
    
    --warning: #f59e0b;
    --warning-light: #fbbf24;
    --warning-bg: rgba(245, 158, 11, 0.1);
    
    --danger: #ef4444;
    --danger-light: #f87171;
    --danger-bg: rgba(239, 68, 68, 0.1);
    
    --info: #06b6d4;
    --info-bg: rgba(6, 182, 212, 0.1);

    /* ألوان الخلفية والنصوص */
    --bg-body: #0f172a;
    --bg-sidebar: #1e293b;
    --bg-card: #1e293b;
    --bg-card-hover: #334155;
    --bg-input: #0f172a;
    --bg-modal: #1e293b;
    --bg-table-header: #334155;
    --bg-table-row-hover: rgba(99, 102, 241, 0.05);
    
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --text-inverse: #0f172a;
    
    --border-color: #334155;
    --border-light: #475569;
    
    /* الظلال */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.3);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.4);
    --shadow-glow: 0 0 20px var(--primary-glow);
    
    /* الأبعاد */
    --sidebar-width: 260px;
    --sidebar-collapsed: 70px;
    --top-bar-height: 64px;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 16px;
    
    /* الانتقالات */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* =============================================
   إعادة التعيين الأساسية (Reset)
   ============================================= */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 14px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Cairo', 'Segoe UI', Tahoma, sans-serif;
    background-color: var(--bg-body);
    color: var(--text-primary);
    direction: rtl;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: var(--primary-light);
    transition: color var(--transition-fast);
}

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

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-body);
}

::-webkit-scrollbar-thumb {
    background: var(--border-light);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

/* =============================================
   الشريط الجانبي (Sidebar)
   ============================================= */
.sidebar {
    position: fixed;
    right: 0;
    top: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    border-left: 1px solid var(--border-color);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    transition: transform var(--transition-normal), width var(--transition-normal);
    overflow: hidden;
}

.sidebar-header {
    padding: 24px 20px;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--bg-sidebar) 100%);
}

.sidebar-logo {
    width: 52px;
    height: 52px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 12px;
    font-size: 1.5rem;
    color: white;
    box-shadow: var(--shadow-glow);
    animation: pulse-glow 3s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 10px var(--primary-glow); }
    50% { box-shadow: 0 0 25px var(--primary-glow), 0 0 50px rgba(99, 102, 241, 0.15); }
}

.sidebar-title {
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 700;
    margin: 0;
    white-space: nowrap;
}

.sidebar-subtitle {
    color: var(--text-secondary);
    font-size: 0.78rem;
    margin: 2px 0 0;
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 12px 10px;
}

.sidebar-section-title {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 16px 12px 6px;
    margin-top: 4px;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    color: var(--text-secondary);
    border-radius: var(--border-radius-sm);
    margin-bottom: 2px;
    transition: all var(--transition-fast);
    position: relative;
    font-weight: 500;
    font-size: 0.92rem;
}

.sidebar-link:hover {
    color: var(--text-primary);
    background: rgba(99, 102, 241, 0.1);
}

.sidebar-link.active {
    color: white;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    box-shadow: var(--shadow-glow);
}

.sidebar-link i {
    width: 20px;
    text-align: center;
    font-size: 1rem;
}

.sidebar-badge {
    margin-right: auto;
    margin-left: 0;
    background: var(--success);
    color: white;
    font-size: 0.65rem;
    padding: 2px 8px;
    border-radius: 20px;
    font-weight: 700;
}

.sidebar-footer {
    padding: 14px;
    border-top: 1px solid var(--border-color);
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-user-avatar {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.9rem;
}

.sidebar-user-info {
    display: flex;
    flex-direction: column;
}

.sidebar-user-name {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.85rem;
}

.sidebar-user-role {
    color: var(--text-muted);
    font-size: 0.72rem;
}

/* =============================================
   المحتوى الرئيسي (Main Content)
   ============================================= */
.main-content {
    margin-right: var(--sidebar-width);
    min-height: 100vh;
    transition: margin var(--transition-normal);
}

.top-bar {
    height: var(--top-bar-height);
    background: var(--bg-sidebar);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.top-bar-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.sidebar-toggle {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 6px;
    border-radius: 8px;
    transition: all var(--transition-fast);
}

.sidebar-toggle:hover {
    color: var(--primary-light);
    background: rgba(99, 102, 241, 0.1);
}

.page-title {
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 700;
    margin: 0;
}

.online-status {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    background: var(--bg-body);
    padding: 6px 12px;
    border-radius: 20px;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--danger);
}

.status-dot.online {
    background: var(--success);
    animation: blink 2s ease-in-out infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.top-bar-date {
    color: var(--text-secondary);
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 6px;
}

.btn-logout {
    color: var(--text-secondary);
    font-size: 1.1rem;
    padding: 6px 10px;
    border-radius: 8px;
    transition: all var(--transition-fast);
}

.btn-logout:hover {
    color: var(--danger);
    background: var(--danger-bg);
}

.page-content {
    padding: 24px;
}

/* =============================================
   البطاقات (Cards)
   ============================================= */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

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

.card-header {
    background: transparent;
    border-bottom: 1px solid var(--border-color);
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h5, .card-header h6 {
    margin: 0;
    font-weight: 700;
    color: var(--text-primary);
}

.card-body {
    padding: 20px;
}

/* بطاقات الإحصائيات */
.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 20px;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-normal);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--stat-color, var(--primary)), transparent);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--stat-color, var(--primary));
}

.stat-card-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    margin-bottom: 14px;
}

.stat-card-value {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.2;
}

.stat-card-label {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-top: 4px;
}

.stat-card-change {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.78rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 20px;
    margin-top: 8px;
}

.stat-card-change.up {
    background: var(--success-bg);
    color: var(--success);
}

.stat-card-change.down {
    background: var(--danger-bg);
    color: var(--danger);
}

/* =============================================
   الجداول (Tables)
   ============================================= */
.table-responsive {
    border-radius: var(--border-radius);
    overflow: hidden;
}

.table {
    color: var(--text-primary);
    margin: 0;
}

.table thead th {
    background: var(--bg-table-header);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    padding: 12px 16px;
    border: none;
    white-space: nowrap;
}

.table tbody td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
    font-size: 0.9rem;
}

.table tbody tr {
    transition: background var(--transition-fast);
}

.table tbody tr:hover {
    background: var(--bg-table-row-hover);
}

.table tbody tr:last-child td {
    border-bottom: none;
}

/* =============================================
   النماذج (Forms)
   ============================================= */
.form-control, .form-select {
    background: var(--bg-input);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 10px 14px;
    font-family: 'Cairo', sans-serif;
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

.form-control:focus, .form-select:focus {
    background: var(--bg-input);
    color: var(--text-primary);
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.form-control::placeholder {
    color: var(--text-muted);
}

.form-label {
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.85rem;
    margin-bottom: 6px;
}

.input-group-text {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

/* =============================================
   الأزرار (Buttons)
   ============================================= */
.btn {
    font-family: 'Cairo', sans-serif;
    font-weight: 600;
    border-radius: var(--border-radius-sm);
    padding: 8px 18px;
    font-size: 0.9rem;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    box-shadow: 0 2px 8px var(--primary-glow);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    box-shadow: 0 4px 15px var(--primary-glow);
    transform: translateY(-1px);
}

.btn-success {
    background: linear-gradient(135deg, var(--success), #16a34a);
    color: white;
}

.btn-success:hover {
    background: linear-gradient(135deg, var(--success-light), var(--success));
    transform: translateY(-1px);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger), #dc2626);
    color: white;
}

.btn-danger:hover {
    background: linear-gradient(135deg, var(--danger-light), var(--danger));
    transform: translateY(-1px);
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning), #d97706);
    color: white;
}

.btn-outline-primary {
    background: transparent;
    border: 1px solid var(--primary);
    color: var(--primary-light);
}

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

.btn-outline-light {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.btn-outline-light:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
    border-color: var(--border-light);
}

.btn-sm {
    padding: 5px 12px;
    font-size: 0.8rem;
}

.btn-lg {
    padding: 12px 28px;
    font-size: 1rem;
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
}

/* =============================================
   المودال (Modal)
   ============================================= */
.modal-content {
    background: var(--bg-modal);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
}

.modal-header {
    border-bottom: 1px solid var(--border-color);
    padding: 16px 20px;
}

.modal-title {
    font-weight: 700;
    color: var(--text-primary);
}

.modal-body {
    padding: 20px;
}

.modal-footer {
    border-top: 1px solid var(--border-color);
    padding: 14px 20px;
}

.btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

/* =============================================
   الشارات (Badges)
   ============================================= */
.badge {
    font-weight: 600;
    padding: 5px 10px;
    border-radius: 6px;
    font-size: 0.75rem;
}

.badge-status {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.badge-status::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
}

/* =============================================
   صفحة تسجيل الدخول (Login)
   ============================================= */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #0f172a 100%);
    position: relative;
    overflow: hidden;
}

.login-page::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--primary-glow), transparent 70%);
    top: -100px;
    right: -100px;
    animation: float 6s ease-in-out infinite;
}

.login-page::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.15), transparent 70%);
    bottom: -100px;
    left: -100px;
    animation: float 8s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-30px); }
}

.login-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    width: 100%;
    max-width: 420px;
    position: relative;
    z-index: 1;
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(20px);
}

.login-logo {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2rem;
    color: white;
    box-shadow: var(--shadow-glow);
}

.login-title {
    text-align: center;
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 6px;
}

.login-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 30px;
}

.login-container .form-control {
    padding: 12px 16px;
    font-size: 0.95rem;
}

.login-container .btn-primary {
    width: 100%;
    padding: 12px;
    font-size: 1rem;
}

.login-alert {
    background: var(--danger-bg);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--danger-light);
    border-radius: var(--border-radius-sm);
    padding: 10px 14px;
    font-size: 0.85rem;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* =============================================
   صفحة الكاشير (POS)
   ============================================= */
.pos-page .main-content {
    margin-right: 0 !important;
}

.pos-page .sidebar,
.pos-page .top-bar {
    display: none;
}

.pos-layout {
    display: grid;
    grid-template-columns: 1fr 380px;
    height: 100vh;
    gap: 0;
}

.pos-products-area {
    display: flex;
    flex-direction: column;
    background: var(--bg-body);
    overflow: hidden;
}

.pos-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    background: var(--bg-sidebar);
    border-bottom: 1px solid var(--border-color);
}

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

.pos-header-logo .pos-logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.1rem;
}

.pos-header-logo h5 {
    margin: 0;
    font-weight: 700;
    color: var(--text-primary);
}

.pos-header-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}

.pos-search-bar {
    padding: 14px 20px;
    background: var(--bg-sidebar);
    border-bottom: 1px solid var(--border-color);
}

.pos-search-input {
    background: var(--bg-body);
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    padding: 12px 16px 12px 44px;
    border-radius: 12px;
    font-size: 1rem;
    width: 100%;
    font-family: 'Cairo', sans-serif;
    transition: all var(--transition-fast);
}

.pos-search-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.pos-search-wrapper {
    position: relative;
}

.pos-search-wrapper i {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.pos-categories {
    display: flex;
    gap: 8px;
    padding: 12px 20px;
    overflow-x: auto;
    background: var(--bg-body);
    border-bottom: 1px solid var(--border-color);
}

.pos-category-btn {
    padding: 7px 16px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-secondary);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: all var(--transition-fast);
    font-family: 'Cairo', sans-serif;
}

.pos-category-btn:hover,
.pos-category-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.pos-products-grid {
    flex: 1;
    overflow-y: auto;
    padding: 16px 20px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 12px;
    align-content: start;
}

.pos-product-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 14px;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
}

.pos-product-card:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.pos-product-card:active {
    transform: scale(0.97);
}

.pos-product-card .product-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 10px;
    font-size: 1.3rem;
}

.pos-product-card .product-name {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.pos-product-card .product-price {
    font-size: 0.95rem;
    font-weight: 800;
    color: var(--primary-light);
}

.pos-product-card .product-stock {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.pos-product-card .product-stock.low {
    color: var(--danger);
}

/* سلة الشراء */
.pos-cart-area {
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.pos-cart-header {
    padding: 16px 18px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.pos-cart-header h5 {
    margin: 0;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
}

.pos-cart-count {
    background: var(--primary);
    color: white;
    font-size: 0.72rem;
    padding: 2px 8px;
    border-radius: 10px;
    font-weight: 700;
}

.pos-cart-items {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
}

.pos-cart-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
    margin-bottom: 6px;
    background: var(--bg-body);
    transition: all var(--transition-fast);
}

.pos-cart-item:hover {
    border-color: var(--border-light);
}

.pos-cart-item-info {
    flex: 1;
    min-width: 0;
}

.pos-cart-item-name {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.pos-cart-item-price {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.pos-cart-item-qty {
    display: flex;
    align-items: center;
    gap: 6px;
}

.pos-cart-item-qty button {
    width: 26px;
    height: 26px;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-primary);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.8rem;
    transition: all var(--transition-fast);
}

.pos-cart-item-qty button:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.pos-cart-item-qty span {
    font-weight: 700;
    font-size: 0.9rem;
    min-width: 22px;
    text-align: center;
}

.pos-cart-item-total {
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--primary-light);
    white-space: nowrap;
}

.pos-cart-item-remove {
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    font-size: 0.8rem;
    transition: color var(--transition-fast);
}

.pos-cart-item-remove:hover {
    color: var(--danger);
}

.pos-cart-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-muted);
    padding: 40px;
    text-align: center;
}

.pos-cart-empty i {
    font-size: 3rem;
    margin-bottom: 12px;
    opacity: 0.3;
}

/* ملخص السلة */
.pos-cart-summary {
    padding: 16px 18px;
    border-top: 1px solid var(--border-color);
    background: var(--bg-body);
}

.pos-summary-row {
    display: flex;
    justify-content: space-between;
    padding: 5px 0;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.pos-summary-row.total {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--text-primary);
    padding-top: 10px;
    margin-top: 6px;
    border-top: 1px solid var(--border-color);
}

.pos-cart-actions {
    padding: 14px 18px;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.pos-pay-btn {
    width: 100%;
    padding: 14px;
    font-size: 1.1rem;
    font-weight: 800;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-family: 'Cairo', sans-serif;
}

.pos-pay-btn.cash {
    background: linear-gradient(135deg, var(--success), #16a34a);
    color: white;
    box-shadow: 0 4px 15px rgba(34, 197, 94, 0.3);
}

.pos-pay-btn.cash:hover {
    box-shadow: 0 6px 20px rgba(34, 197, 94, 0.4);
    transform: translateY(-1px);
}

.pos-pay-btn.card {
    background: linear-gradient(135deg, var(--secondary), #0284c7);
    color: white;
}

.pos-pay-btn.card:hover {
    transform: translateY(-1px);
}

.pos-secondary-actions {
    display: flex;
    gap: 8px;
}

.pos-secondary-actions .btn {
    flex: 1;
    font-size: 0.82rem;
}

/* =============================================
   لوحة التحكم (Dashboard)
   ============================================= */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.chart-container {
    position: relative;
    height: 300px;
    width: 100%;
}

.quick-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 12px;
}

.quick-action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 20px 14px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-secondary);
    transition: all var(--transition-normal);
    cursor: pointer;
    text-decoration: none;
}

.quick-action-btn:hover {
    background: var(--bg-card-hover);
    color: var(--primary-light);
    border-color: var(--primary);
    transform: translateY(-2px);
}

.quick-action-btn i {
    font-size: 1.5rem;
}

.quick-action-btn span {
    font-size: 0.82rem;
    font-weight: 600;
}

/* =============================================
   فاتورة الطباعة (Receipt)
   ============================================= */
.receipt-preview {
    background: white;
    color: #333;
    max-width: 300px;
    margin: 0 auto;
    padding: 20px;
    font-family: 'Courier New', monospace;
    font-size: 12px;
    border-radius: var(--border-radius);
}

.receipt-preview .receipt-header {
    text-align: center;
    border-bottom: 1px dashed #ccc;
    padding-bottom: 10px;
    margin-bottom: 10px;
}

.receipt-preview .receipt-header h4 {
    margin: 0;
    font-size: 16px;
    color: #111;
}

.receipt-preview table {
    width: 100%;
    color: #333;
}

.receipt-preview table td {
    padding: 3px 2px;
    font-size: 11px;
}

.receipt-preview .receipt-total {
    border-top: 1px dashed #ccc;
    padding-top: 8px;
    margin-top: 8px;
    font-weight: bold;
    font-size: 14px;
    text-align: center;
}

.receipt-preview .receipt-footer {
    text-align: center;
    margin-top: 12px;
    padding-top: 10px;
    border-top: 1px dashed #ccc;
    font-size: 10px;
    color: #777;
}

@media print {
    body * { visibility: hidden; }
    .receipt-preview, .receipt-preview * { visibility: visible; }
    .receipt-preview { position: absolute; left: 0; top: 0; width: 80mm; }
}

/* =============================================
   التنبيهات (Alerts)
   ============================================= */
.alert-dismissible {
    border: none;
    border-radius: var(--border-radius-sm);
    font-size: 0.9rem;
}

.alert-success {
    background: var(--success-bg);
    color: var(--success-light);
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.alert-danger {
    background: var(--danger-bg);
    color: var(--danger-light);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.alert-warning {
    background: var(--warning-bg);
    color: var(--warning-light);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.alert-info {
    background: var(--info-bg);
    color: var(--info);
    border: 1px solid rgba(6, 182, 212, 0.2);
}

/* =============================================
   المنتج في المخزون (Stock Indicators)
   ============================================= */
.stock-indicator {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
    font-size: 0.82rem;
}

.stock-indicator.in-stock {
    color: var(--success);
}

.stock-indicator.low-stock {
    color: var(--warning);
}

.stock-indicator.out-of-stock {
    color: var(--danger);
}

/* =============================================
   مودال الدفع (Payment Modal)
   ============================================= */
.payment-method-select {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
}

.payment-method-card {
    flex: 1;
    padding: 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    background: var(--bg-body);
}

.payment-method-card:hover {
    border-color: var(--primary);
}

.payment-method-card.selected {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
}

.payment-method-card i {
    font-size: 2rem;
    margin-bottom: 8px;
    display: block;
}

.payment-method-card span {
    font-weight: 600;
    font-size: 0.9rem;
}

/* =============================================
   صفحة الإعدادات (Settings)
   ============================================= */
.settings-section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 24px;
    margin-bottom: 20px;
}

.settings-section h5 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
    font-weight: 700;
}

.settings-section h5 i {
    color: var(--primary-light);
}

/* =============================================
   الصفحات المتجاوبة (Responsive)
   ============================================= */
@media (max-width: 992px) {
    .sidebar {
        transform: translateX(100%);
    }
    
    .sidebar.show {
        transform: translateX(0);
    }
    
    .main-content {
        margin-right: 0;
    }
    
    .pos-layout {
        grid-template-columns: 1fr;
    }
    
    .pos-cart-area {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        height: 60vh;
        z-index: 100;
        transform: translateY(calc(100% - 60px));
        transition: transform var(--transition-normal);
        border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
        border-top: 2px solid var(--primary);
    }
    
    .pos-cart-area.open {
        transform: translateY(0);
    }
}

@media (max-width: 768px) {
    .page-content {
        padding: 14px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    
    .stat-card-value {
        font-size: 1.3rem;
    }
    
    .pos-products-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
        gap: 8px;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

/* =============================================
   Sidebar overlay
   ============================================= */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 999;
}

.sidebar-overlay.show {
    display: block;
}

/* =============================================
   الأنيميشن العام (Animations)
   ============================================= */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(20px); }
    to { opacity: 1; transform: translateX(0); }
}

.fade-in {
    animation: fadeIn 0.4s ease forwards;
}

.slide-in {
    animation: slideInRight 0.3s ease forwards;
}

/* تأخير الأنيميشن */
.delay-1 { animation-delay: 0.05s; }
.delay-2 { animation-delay: 0.1s; }
.delay-3 { animation-delay: 0.15s; }
.delay-4 { animation-delay: 0.2s; }

/* =============================================
   Toast notifications
   ============================================= */
.toast-container {
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 12px 18px;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: var(--shadow-lg);
    animation: slideInRight 0.3s ease;
    min-width: 280px;
    font-size: 0.9rem;
}

.toast-item.success {
    border-right: 3px solid var(--success);
}

.toast-item.error {
    border-right: 3px solid var(--danger);
}

.toast-item.warning {
    border-right: 3px solid var(--warning);
}

/* =============================================
   Empty State
   ============================================= */
.empty-state {
    text-align: center;
    padding: 50px 20px;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 3.5rem;
    margin-bottom: 16px;
    opacity: 0.3;
}

.empty-state h5 {
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.empty-state p {
    font-size: 0.9rem;
}

/* =============================================
   Discount Input in POS
   ============================================= */
.pos-discount-section {
    padding: 10px 18px;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 8px;
    align-items: center;
}

.pos-discount-section input {
    flex: 1;
    padding: 8px 12px;
    background: var(--bg-body);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 8px;
    font-family: 'Cairo', sans-serif;
    font-size: 0.85rem;
}

.pos-discount-section input:focus {
    outline: none;
    border-color: var(--primary);
}

/* =============================================
   Loading spinner
   ============================================= */
.spinner-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Pagination */
.pagination .page-link {
    background: var(--bg-card);
    border-color: var(--border-color);
    color: var(--text-secondary);
}

.pagination .page-link:hover {
    background: var(--bg-card-hover);
    color: var(--primary-light);
}

.pagination .page-item.active .page-link {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}