/**
 * نظام التصميم المتكامل (Pure Vanilla CSS - No Frameworks - 100% Offline)
 * أنماط الواجهات ولوحة التحكم لمتجر التركي للكمبيوتر مع دعم متكامل للهواتف والشاشات الصغيرة
 */

:root {
    /* ألوان الوضع المظلم (الافتراضي للجيمنج والتقنية) */
    --bg-main: #0b0f19;
    --bg-surface: #111827;
    --bg-card: #1f2937;
    --bg-card-hover: #283548;
    --border-color: #374151;
    --border-light: rgba(255, 255, 255, 0.08);
    
    --text-primary: #f9fafb;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --primary-light: rgba(59, 130, 246, 0.15);
    
    --accent: #06b6d4;
    --accent-hover: #0891b2;
    
    --success: #10b981;
    --success-light: rgba(16, 185, 129, 0.15);
    
    --warning: #f59e0b;
    --warning-light: rgba(245, 158, 11, 0.15);
    
    --danger: #ef4444;
    --danger-light: rgba(239, 68, 68, 0.15);
    
    --sidebar-width: 270px;
    --header-height: 65px;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-full: 9999px;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 25px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
    --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.25);
    
    --font-family: 'Segoe UI', Tahoma, 'Tajawal', -apple-system, BlinkMacSystemFont, Roboto, sans-serif;
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] {
    --bg-main: #f1f5f9;
    --bg-surface: #ffffff;
    --bg-card: #ffffff;
    --bg-card-hover: #f8fafc;
    --border-color: #e2e8f0;
    --border-light: rgba(0, 0, 0, 0.06);
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    
    --primary-light: rgba(59, 130, 246, 0.1);
    --success-light: rgba(16, 185, 129, 0.1);
    --warning-light: rgba(245, 158, 11, 0.1);
    --danger-light: rgba(239, 68, 68, 0.1);
    
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 25px -3px rgba(0, 0, 0, 0.1);
}

/* التنسيقات الأساسية */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: var(--font-family);
    -webkit-tap-highlight-color: transparent;
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    direction: rtl;
    text-align: right;
    min-height: 100vh;
    display: flex;
    overflow-x: hidden;
}

/* شريط التمرير */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: var(--bg-main);
}
::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

/* هيكل الصفحة الرئيسي */
.app-container {
    display: flex;
    width: 100%;
    min-height: 100vh;
    position: relative;
}

/* خلفية التعتيم عند فتح القائمة بالهاتف فقط */
.sidebar-backdrop {
    display: none;
}

@media (max-width: 992px) {
    .sidebar-backdrop {
        display: block;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.6);
        backdrop-filter: blur(4px);
        z-index: 45;
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }

    .sidebar-backdrop.active {
        opacity: 1;
        visibility: visible;
    }
}

/* القائمة الجانبية (Sidebar) */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-surface);
    border-left: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    bottom: 0;
    right: 0;
    z-index: 50;
    transition: transform 0.3s ease, right 0.3s ease, width 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.sidebar-header {
    height: var(--header-height);
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 16px;
    border-bottom: 1px solid var(--border-color);
    position: relative;
}

.logo-badge {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    flex-shrink: 0;
    box-shadow: 0 4px 10px rgba(59, 130, 246, 0.4);
}
.logo-badge svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

.brand-text {
    flex: 1;
    overflow: hidden;
}
.brand-text h2 {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
}
.brand-text span {
    font-size: 11px;
    color: var(--accent);
    font-weight: 600;
    display: block;
}

/* زر إغلاق القائمة في الموبايل */
.sidebar-close-btn {
    display: none;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}
.sidebar-close-btn:hover {
    color: var(--danger);
    border-color: var(--danger);
}
.sidebar-close-btn svg { width: 18px; height: 18px; fill: currentColor; }

/* عناصر التنقل والقوائم المدمجة (Accordion Groups) */
.sidebar-nav {
    flex: 1;
    padding: 14px 10px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 13.5px;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.nav-item:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

.nav-item.active {
    background: linear-gradient(90deg, rgba(59, 130, 246, 0.18), transparent);
    color: var(--primary);
    border-right: 3px solid var(--primary);
    font-weight: 600;
}
.nav-item.active .nav-icon svg {
    fill: var(--primary);
}

.nav-icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.nav-icon svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
    opacity: 0.85;
    transition: var(--transition);
}

.nav-label {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* مجموعات القوائم المدمجة (Nav Group Accordions) */
.nav-group {
    display: flex;
    flex-direction: column;
}

.nav-group-header {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 13.5px;
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    text-align: right;
    transition: var(--transition);
}

.nav-group-header:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

.nav-group-header.active-parent {
    color: var(--primary);
    background: rgba(59, 130, 246, 0.08);
}
.nav-group-header.active-parent .nav-icon svg {
    fill: var(--primary);
}

.nav-arrow {
    font-size: 10px;
    transition: transform 0.25s ease;
    color: var(--text-muted);
}

.nav-group.open .nav-arrow {
    transform: rotate(-90deg);
    color: var(--primary);
}

.nav-submenu {
    display: none;
    flex-direction: column;
    padding: 4px 0 4px 0;
    margin-right: 18px;
    border-right: 1px dashed var(--border-color);
    gap: 2px;
}

.nav-group.open .nav-submenu {
    display: flex;
    animation: fadeIn 0.2s ease forwards;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: translateY(0); }
}

.sub-nav-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 7px 12px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 13px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.sub-nav-item:hover {
    color: var(--text-primary);
    background: var(--bg-card-hover);
}

.sub-nav-item.active {
    color: var(--primary);
    font-weight: 700;
    background: var(--primary-light);
}

.sub-dot {
    width: 6px;
    height: 6px;
    border-radius: var(--radius-full);
    background: var(--text-muted);
    transition: var(--transition);
}
.sub-nav-item.active .sub-dot, .sub-nav-item:hover .sub-dot {
    background: var(--primary);
    transform: scale(1.3);
}

/* تذييل القائمة الجانبية وبطاقة المطور */
.sidebar-footer {
    padding: 8px 10px;
    border-top: 1px solid var(--border-color);
    background: rgba(0, 0, 0, 0.2);
}

.dev-card {
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.75) 0%, rgba(15, 23, 42, 0.9) 100%);
    border: 1px solid rgba(56, 189, 248, 0.2);
    border-radius: 10px;
    padding: 8px 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
    display: flex;
    flex-direction: column;
    gap: 6px;
    transition: var(--transition);
}

[data-theme="light"] .dev-card {
    background: linear-gradient(135deg, #ffffff 0%, #f1f5f9 100%);
    border-color: rgba(59, 130, 246, 0.25);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.dev-card:hover {
    border-color: rgba(56, 189, 248, 0.45);
    box-shadow: 0 6px 16px rgba(14, 165, 233, 0.18);
}

.dev-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.dev-avatar-info {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
}

.dev-avatar {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    background: linear-gradient(135deg, #0284c7, #2563eb);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 2px 6px rgba(37, 99, 235, 0.4);
}

.dev-meta {
    display: flex;
    flex-direction: column;
    min-width: 0;
    line-height: 1.25;
}

.dev-tag {
    font-size: 9.5px;
    color: var(--text-muted);
    font-weight: 600;
}

.dev-name {
    font-size: 11.5px;
    font-weight: 800;
    color: #f1f5f9;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

[data-theme="light"] .dev-name {
    color: #0f172a;
}

.dev-logout-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: #ef4444;
    font-size: 11px;
    font-weight: 700;
    padding: 4px 8px;
    border-radius: 6px;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.25);
    text-decoration: none;
    transition: var(--transition);
    flex-shrink: 0;
}

.dev-logout-btn:hover {
    background: #ef4444;
    color: #ffffff;
    border-color: #ef4444;
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.35);
}

.dev-phones {
    display: flex;
    align-items: center;
    gap: 6px;
    padding-top: 5px;
    border-top: 1px dashed rgba(255, 255, 255, 0.08);
}

[data-theme="light"] .dev-phones {
    border-top-color: rgba(0, 0, 0, 0.08);
}

.dev-phone-pill {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    background: rgba(56, 189, 248, 0.08);
    border: 1px solid rgba(56, 189, 248, 0.2);
    border-radius: 6px;
    padding: 3px 5px;
    font-size: 10px;
    font-weight: 700;
    color: #38bdf8;
    text-decoration: none;
    font-family: 'Consolas', monospace;
    direction: ltr;
    letter-spacing: 0.2px;
    transition: var(--transition);
}

[data-theme="light"] .dev-phone-pill {
    background: rgba(2, 132, 199, 0.08);
    border-color: rgba(2, 132, 199, 0.25);
    color: #0284c7;
}

.dev-phone-pill:hover {
    background: #0284c7;
    color: #ffffff;
    border-color: #0284c7;
    transform: translateY(-1px);
    box-shadow: 0 2px 6px rgba(2, 132, 199, 0.3);
}

/* المحتوى الرئيسي */
.main-wrapper {
    flex: 1;
    margin-right: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--bg-main);
    transition: var(--transition);
    width: calc(100% - var(--sidebar-width));
}

/* وضع طي القائمة في الديسكتوب */
.app-container.sidebar-collapsed .sidebar {
    transform: translateX(100%);
}

.app-container.sidebar-collapsed .main-wrapper {
    margin-right: 0;
    width: 100%;
}

/* شريط الترويسة العلوي */
.top-header {
    height: var(--header-height);
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    position: sticky;
    top: 0;
    z-index: 30;
    gap: 12px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.page-title {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-toggle-btn {
    display: flex;
    width: 36px;
    height: 36px;
    padding: 0;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    cursor: pointer;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    transition: var(--transition);
}
.sidebar-toggle-btn:hover {
    color: var(--text-primary);
    background: var(--bg-card-hover);
}

.quick-pos-btn {
    background: linear-gradient(135deg, #10b981, #059669);
    color: #fff;
    padding: 7px 14px;
    border-radius: var(--radius-md);
    text-decoration: none;
    font-size: 13px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    box-shadow: 0 4px 10px rgba(16, 185, 129, 0.3);
    transition: var(--transition);
    white-space: nowrap;
}
.quick-pos-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 14px rgba(16, 185, 129, 0.4);
}

.user-profile-widget {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 10px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.user-avatar {
    width: 30px;
    height: 30px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 13px;
    flex-shrink: 0;
}

.user-info {
    display: flex;
    flex-direction: column;
}
.user-name {
    font-size: 12.5px;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    max-width: 100px;
    overflow: hidden;
    text-overflow: ellipsis;
}
.user-role-label {
    font-size: 10.5px;
    color: var(--text-muted);
}

.theme-toggle-btn {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    flex-shrink: 0;
}
.theme-toggle-btn:hover {
    color: var(--text-primary);
    background: var(--bg-card-hover);
}

/* مساحة المحتوى */
.content-area {
    flex: 1;
    padding: 20px;
}

/* شبكة كروت الإحصائيات (KPI Cards) */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}

.kpi-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 16px 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.kpi-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: rgba(59, 130, 246, 0.4);
}

.kpi-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 4px;
    height: 100%;
    background: var(--primary);
}
.kpi-card.success::before { background: var(--success); }
.kpi-card.warning::before { background: var(--warning); }
.kpi-card.danger::before { background: var(--danger); }
.kpi-card.accent::before { background: var(--accent); }

.kpi-info h4 {
    font-size: 12.5px;
    color: var(--text-muted);
    font-weight: 500;
    margin-bottom: 4px;
}
.kpi-info .kpi-value {
    font-size: 20px;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.2;
}
.kpi-info .kpi-sub {
    font-size: 11px;
    color: var(--text-secondary);
    margin-top: 3px;
}

.kpi-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.kpi-icon svg { width: 22px; height: 22px; fill: currentColor; }
.kpi-card.success .kpi-icon { background: var(--success-light); color: var(--success); }
.kpi-card.warning .kpi-icon { background: var(--warning-light); color: var(--warning); }
.kpi-card.danger .kpi-icon { background: var(--danger-light); color: var(--danger); }
.kpi-card.accent .kpi-icon { background: rgba(6, 182, 212, 0.15); color: var(--accent); }

/* البطاقات العامة */
.card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: 20px;
    overflow: hidden;
}

.card-header {
    padding: 14px 18px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    background: rgba(255, 255, 255, 0.01);
}

.card-title {
    font-size: 14.5px;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-body {
    padding: 18px;
}

.card-footer {
    padding: 12px 18px;
    border-top: 1px solid var(--border-color);
    background: rgba(0, 0, 0, 0.05);
}

/* الجداول (Tables) */
.table-responsive {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    text-align: right;
}

.table th {
    background: var(--bg-card);
    color: var(--text-secondary);
    font-weight: 600;
    padding: 11px 14px;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

.table td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    vertical-align: middle;
}

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

/* الأزرار (Buttons) */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 14px;
    font-size: 13px;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition);
    line-height: 1.2;
    white-space: nowrap;
}

.btn svg { width: 15px; height: 15px; fill: currentColor; }

.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }

.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #059669; }

.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #dc2626; }

.btn-warning { background: var(--warning); color: #1e293b; }
.btn-warning:hover { background: #d97706; }

.btn-secondary { background: var(--bg-card); color: var(--text-primary); border: 1px solid var(--border-color); }
.btn-secondary:hover { background: var(--bg-card-hover); }

.btn-sm { padding: 5px 9px; font-size: 11.5px; border-radius: var(--radius-sm); }
.btn-lg { padding: 11px 20px; font-size: 14.5px; }

/* حقول الإدخال والفورم (Forms) */
.form-group {
    margin-bottom: 14px;
}

.form-label {
    display: block;
    font-size: 12.5px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 5px;
}

.form-control, .form-select {
    width: 100%;
    padding: 9px 12px;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 13.5px;
    outline: none;
    transition: var(--transition);
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 14px;
}

/* الشارات (Badges) */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 7px;
    font-size: 11px;
    font-weight: 700;
    border-radius: var(--radius-sm);
    line-height: 1;
}

.badge-primary { background: var(--primary-light); color: var(--primary); border: 1px solid rgba(59, 130, 246, 0.3); }
.badge-success { background: var(--success-light); color: var(--success); border: 1px solid rgba(16, 185, 129, 0.3); }
.badge-warning { background: var(--warning-light); color: var(--warning); border: 1px solid rgba(245, 158, 11, 0.3); }
.badge-danger { background: var(--danger-light); color: var(--danger); border: 1px solid rgba(239, 68, 68, 0.3); }
.badge-admin { background: rgba(139, 92, 246, 0.15); color: #a78bfa; border: 1px solid rgba(139, 92, 246, 0.3); }
.badge-cashier { background: rgba(6, 182, 212, 0.15); color: #22d3ee; border: 1px solid rgba(6, 182, 212, 0.3); }
.badge-inventory { background: rgba(249, 115, 22, 0.15); color: #fb923c; border: 1px solid rgba(249, 115, 22, 0.3); }

/* التنبيهات (Alerts) */
.alert {
    padding: 12px 14px;
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    font-size: 13px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.alert-success { background: var(--success-light); border: 1px solid var(--success); color: #34d399; }
.alert-danger { background: var(--danger-light); border: 1px solid var(--danger); color: #f87171; }
.alert-warning { background: var(--warning-light); border: 1px solid var(--warning); color: #fbbf24; }
.alert-info { background: var(--primary-light); border: 1px solid var(--primary); color: #60a5fa; }
.alert-close { background: none; border: none; font-size: 18px; color: inherit; cursor: pointer; }

/* النوافذ المنبثقة (Modals) */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    padding: 12px;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    transform: scale(0.95);
    transition: var(--transition);
}

.modal-overlay.active .modal-content {
    transform: scale(1);
}

.modal-header {
    padding: 14px 18px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.modal-title { font-size: 15px; font-weight: 700; color: var(--text-primary); }
.modal-close { background: none; border: none; font-size: 20px; color: var(--text-muted); cursor: pointer; }
.modal-close:hover { color: var(--text-primary); }

.modal-body { padding: 18px; }
.modal-footer {
    padding: 12px 18px;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
}

/* شريط الفلاتر والبحث في الجداول */
.toolbar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 14px;
}

.search-input-wrapper {
    position: relative;
    max-width: 320px;
    width: 100%;
}
.search-input-wrapper input {
    padding-right: 36px;
}
.search-input-wrapper .search-icon {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    fill: var(--text-muted);
}

/* التنبيهات المنبثقة التفاعلية (Toasts) */
.toast-container {
    position: fixed;
    bottom: 20px;
    left: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: 9999;
}

.toast {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 10px 16px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    animation: toastIn 0.3s ease forwards;
}

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

/* ============================================================
   تنسيقات الشاشات المتوسطة والأجهزة اللوحية والهواتف (Responsive)
   ============================================================ */
@media (max-width: 992px) {
    .sidebar {
        right: calc(0px - var(--sidebar-width) - 20px);
        box-shadow: -5px 0 25px rgba(0, 0, 0, 0.5);
    }
    
    .sidebar.open {
        right: 0;
    }
    
    .sidebar-close-btn {
        display: flex;
    }

    .main-wrapper {
        margin-right: 0;
        width: 100%;
    }

    .sidebar-toggle-btn {
        display: flex;
    }
}

@media (max-width: 768px) {
    .top-header {
        padding: 0 10px;
        height: 56px;
        gap: 8px;
    }

    .header-right {
        gap: 8px;
        min-width: 0;
    }

    .header-left {
        gap: 6px;
    }

    .content-area {
        padding: 10px;
    }

    .page-title {
        font-size: 14px;
        max-width: 130px;
    }

    .showcase-nav-btn-text {
        display: none !important;
    }
    .showcase-nav-btn {
        padding: 6px 10px !important;
        min-width: 36px;
        justify-content: center;
    }

    .quick-pos-btn span,
    .quick-pos-text {
        display: none !important;
    }
    .quick-pos-btn {
        padding: 7px 10px !important;
    }

    .user-name, .user-role-label {
        display: none !important;
    }
    .user-profile-widget {
        padding: 2px 4px;
        gap: 4px;
    }

    .kpi-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }

    .kpi-card {
        padding: 12px;
    }
    .kpi-info .kpi-value {
        font-size: 17px;
    }
    .kpi-icon {
        width: 36px;
        height: 36px;
    }
    .kpi-icon svg { width: 18px; height: 18px; }

    .search-input-wrapper {
        max-width: 100%;
    }

    .toolbar-header {
        flex-direction: column;
        align-items: stretch;
    }
    .toolbar-header > div {
        width: 100%;
        flex-wrap: wrap;
    }
    .toolbar-header select, .toolbar-header input[type="date"] {
        flex: 1;
        min-width: 130px;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .kpi-grid {
        grid-template-columns: 1fr;
    }
    
    .card-header {
        flex-direction: column;
        align-items: flex-start;
    }
    .card-header > div {
        width: 100%;
        display: flex;
        justify-content: flex-end;
    }
}

/* ==========================================================================
   النوافذ المنبثقة والإشعارات (Modals & Toast Notifications)
   ========================================================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    z-index: 1050;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 16px;
    opacity: 0;
    transition: opacity 0.25s ease;
}

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

.modal-container {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
    width: 100%;
    max-width: 960px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transform: scale(0.95) translateY(10px);
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay.active .modal-container {
    transform: scale(1) translateY(0);
}

.modal-header {
    padding: 16px 20px;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
}

.modal-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.modal-close {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 20px;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    line-height: 1;
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--danger);
    background: var(--danger-light);
}

.modal-body {
    padding: 20px;
    overflow-y: auto;
    flex: 1;
}

.modal-footer {
    padding: 14px 20px;
    background: var(--bg-card);
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    flex-shrink: 0;
}

/* التنبيهات المنبثقة Toast */
.toast-container {
    position: fixed;
    bottom: 24px;
    left: 24px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
}

.toast {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 12px 18px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13.5px;
    font-weight: 600;
    pointer-events: auto;
    min-width: 250px;
    animation: toastSlideIn 0.3s ease;
}

.toast-success { border-left: 4px solid var(--success); border-right: 4px solid var(--success); }
.toast-danger { border-left: 4px solid var(--danger); border-right: 4px solid var(--danger); }
.toast-warning { border-left: 4px solid var(--warning); border-right: 4px solid var(--warning); }
.toast-info { border-left: 4px solid var(--primary); border-right: 4px solid var(--primary); }

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

/* عناصر الطباعة فقط (تخفى تماماً على الشاشة وتظهر فقط عند أمر الطباعة) */
.print-only,
.a4-header,
.a4-footer-signatures {
    display: none !important;
}

@media print {
    .print-only {
        display: block !important;
    }
    .print-only-flex,
    .a4-header,
    .a4-footer-signatures {
        display: flex !important;
    }
    .no-print {
        display: none !important;
    }
}