/* =====================================================
   نظام التصميم — POS Modern UI
   ===================================================== */

:root {
    /* الألوان الأساسية */
    --pos-bg: #FAF8F5;              /* خلفية دافئة فاتحة */
    --pos-surface: #FFFFFF;          /* خلفية البطاقات */
    --pos-surface-alt: #F3EFE8;      /* خلفية ثانوية (hover, stripes) */
    --pos-ink: #1A2233;              /* النص الأساسي - كحلي غامق */
    --pos-ink-soft: #5B6477;         /* نص ثانوي */
    --pos-line: #E8E1D5;             /* خطوط فاصلة */

    /* الألوان التفاعلية */
    --pos-primary: #3D3470;          /* بنفسجي-كحلي عميق - أساسي */
    --pos-primary-dark: #2A2350;
    --pos-primary-soft: #EDEAF6;

    --pos-accent: #C4622D;           /* تيراكوتا - للتمييز والأرقام المهمة */
    --pos-accent-dark: #9C4A1F;

    --pos-success: #0F9B8E;          /* تركواز - نجاح/إيجابي */
    --pos-success-dark: #0B7A70;
    --pos-success-soft: #E3F5F2;

    --pos-warning: #D98E04;
    --pos-warning-soft: #FBF1DD;

    --pos-danger: #C44536;
    --pos-danger-soft: #FBEAE7;
    --pos-danger-dark: #9C3527;

    --pos-radius: 14px;
    --pos-radius-sm: 9px;
    --pos-shadow: 0 2px 10px rgba(26, 34, 51, 0.06);
    --pos-shadow-lg: 0 12px 32px rgba(26, 34, 51, 0.12);

    --sidebar-width: 252px;
    --sidebar-width-collapsed: 76px;
}

@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@400;500;600;700;800&family=IBM+Plex+Sans+Arabic:wght@400;500;600&display=swap');

* { box-sizing: border-box; }

body {
    font-family: 'IBM Plex Sans Arabic', 'Cairo', 'Segoe UI', Tahoma, sans-serif;
    background-color: var(--pos-bg);
    color: var(--pos-ink);
    font-size: 0.92rem;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Cairo', 'IBM Plex Sans Arabic', sans-serif;
    font-weight: 700;
    color: var(--pos-ink);
}

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

/* =====================================================
   App Shell: Sidebar + Main
   ===================================================== */

.app-shell {
    min-height: 100vh;
}

.app-sidebar {
    width: var(--sidebar-width);
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    background: #FFFFFF;
    color: var(--pos-ink);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    overflow-x: hidden;
    z-index: 1030;
    transition: width 0.2s ease;
    border-left: 3px solid var(--pos-success);
}

.app-sidebar::-webkit-scrollbar { width: 6px; }
.app-sidebar::-webkit-scrollbar-thumb { background: var(--pos-line); border-radius: 3px; }

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 20px 18px 14px;
    font-family: 'Cairo', sans-serif;
    font-weight: 800;
    font-size: 1.1rem;
    color: var(--pos-ink);
    white-space: nowrap;
    flex-shrink: 0;
}

.sidebar-brand .brand-icon {
    width: 38px;
    height: 38px;
    background: var(--pos-success);
    color: #fff;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.sidebar-section-label {
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--pos-ink-soft);
    padding: 18px 18px 8px;
    font-weight: 700;
}

/* عنوان القسم كزر قابل للطي */
button.sidebar-section-label.section-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    background: none;
    border: none;
    cursor: pointer;
    text-align: inherit;
    font-family: inherit;
}
.section-toggle .nav-expand {
    font-size: 0.7rem;
    opacity: 0.7;
    transition: transform 0.2s ease;
}
.section-toggle:hover { color: var(--pos-ink); }

/* عند الطي: تدوير السهم وإخفاء محتوى القسم */
.sidebar-section.collapsed .section-toggle .nav-expand { transform: rotate(-90deg); }
.sidebar-section.collapsed .sidebar-section-body { display: none; }

/* زر فرد الكل / اقفل الكل */
.sidebar-toggle-all {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--pos-ink-soft);
    font-family: inherit;
    font-size: 0.72rem;
    font-weight: 700;
    padding: 10px 18px 4px;
    opacity: 0.85;
}
.sidebar-toggle-all:hover { opacity: 1; color: var(--pos-ink); }
.app-sidebar.collapsed .sidebar-toggle-all .label { display: none !important; }

.sidebar-nav {
    flex: 1;
    padding: 4px 16px 16px;
}

/* ===== أزرار القسم الرئيسي (مطابقة لشكل "الرئيسية" في التصميم المطلوب) ===== */
.nav-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 13px 16px;
    margin: 7px 0;
    border-radius: 9px;
    background: var(--pos-success);
    color: #fff;
    text-decoration: none;
    font-size: 0.92rem;
    font-weight: 700;
    transition: background 0.15s ease;
    white-space: nowrap;
    cursor: pointer;
    user-select: none;
    box-shadow: 0 1px 4px rgba(15,155,142,0.25);
}

.nav-btn .label { flex: 1; }

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

.nav-btn.active {
    background: var(--pos-accent);
    box-shadow: 0 1px 4px rgba(196,98,45,0.3);
}

/* مؤشر الـ checkbox الزخرفي بجانب كل عنصر */
.nav-check {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255,255,255,0.85);
    border-radius: 3px;
    flex-shrink: 0;
    background: transparent;
}
.nav-btn.active .nav-check { background: #fff; border-color: #fff; }

/* زر المجموعة (له أبناء) — نفس شكل nav-btn لكن فيه سهم توسيع إضافي */
.nav-group-btn .nav-expand {
    font-size: 0.7rem;
    flex-shrink: 0;
    transition: transform 0.2s ease;
    opacity: 0.9;
}
.nav-group-btn.open .nav-expand { transform: rotate(180deg); }

.sidebar-group { margin: 0; }

/* ===== صفوف العناصر الفرعية (نص بسيط + checkbox بدون خلفية) ===== */
.sidebar-submenu {
    display: none;
    padding: 2px 6px 6px;
}
.sidebar-submenu.open { display: block; }

.sub-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 14px;
    color: var(--pos-ink);
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 500;
    border-bottom: 1px solid var(--pos-line);
}
.sub-row:last-child { border-bottom: none; }
.sub-row .label { flex: 1; }
.sub-row:hover { color: var(--pos-success-dark); }
.sub-row.active { color: var(--pos-accent-dark); font-weight: 700; }

.sub-row .nav-check {
    border-color: var(--pos-ink-soft);
}
.sub-row.active .nav-check { background: var(--pos-accent); border-color: var(--pos-accent); }

.sidebar-footer {
    padding: 14px 18px;
    border-top: 1px solid var(--pos-line);
    font-size: 0.82rem;
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: 9px;
    color: var(--pos-ink);
    margin-bottom: 10px;
}
.sidebar-user .user-avatar {
    width: 30px; height: 30px;
    border-radius: 50%;
    background: var(--pos-success-soft);
    color: var(--pos-success-dark);
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 0.8rem;
    flex-shrink: 0;
}

.btn-logout {
    width: 100%;
    background: var(--pos-danger-soft);
    border: 1px solid var(--pos-danger);
    color: var(--pos-danger-dark);
    border-radius: var(--pos-radius-sm);
    padding: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    transition: background 0.15s ease;
}
.btn-logout:hover { background: var(--pos-danger); color: #fff; }

/* ===== حالة الطي (Collapsed) ===== */
.app-sidebar.collapsed .sidebar-brand .label,
.app-sidebar.collapsed .nav-btn .label,
.app-sidebar.collapsed .sidebar-section-label,
.app-sidebar.collapsed .nav-expand,
.app-sidebar.collapsed .nav-check,
.app-sidebar.collapsed .sidebar-submenu,
.app-sidebar.collapsed .sidebar-user span:not(.user-avatar),
.app-sidebar.collapsed .btn-logout .label {
    display: none !important;
}

.app-sidebar.collapsed .sidebar-brand,
.app-sidebar.collapsed .nav-btn {
    justify-content: center;
    padding-left: 6px;
    padding-right: 6px;
    gap: 0;
}

.app-sidebar.collapsed .sidebar-user { justify-content: center; }
.app-sidebar.collapsed .btn-logout { padding: 8px 0; }
.app-sidebar.collapsed .sidebar-footer { padding: 14px 10px; }

/* Mobile toggler */
.sidebar-mobile-toggle {
    display: none;
    position: fixed;
    top: 14px;
    right: 14px;
    z-index: 1040;
    background: var(--pos-primary);
    color: #fff;
    border: none;
    border-radius: 10px;
    width: 42px;
    height: 42px;
}

.app-sidebar.collapsed {
    width: var(--sidebar-width-collapsed);
}

.sidebar-collapse-btn {
    position: absolute;
    top: 24px;
    left: -13px;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: var(--pos-success);
    color: #fff;
    border: 2px solid #fff;
    box-shadow: 0 1px 5px rgba(0,0,0,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.75rem;
    z-index: 1031;
    transition: transform 0.2s ease, background 0.15s ease;
}
.sidebar-collapse-btn:hover { background: var(--pos-success-dark); }
.app-sidebar.collapsed .sidebar-collapse-btn i { transform: rotate(180deg); }

.app-main {
    margin-right: var(--sidebar-width);
    min-width: 0;
    padding: 22px 28px 40px;
    transition: margin-right 0.2s ease;
}

.app-shell.collapsed .app-main {
    margin-right: var(--sidebar-width-collapsed);
}

@media (max-width: 900px) {
    .app-sidebar {
        position: fixed;
        right: 0;
        transform: translateX(100%);
        transition: transform 0.25s ease;
        box-shadow: var(--pos-shadow-lg);
        width: var(--sidebar-width) !important;
    }
    .app-sidebar.open { transform: translateX(0); }
    .app-sidebar.collapsed .label,
    .app-sidebar.collapsed .sidebar-section-label,
    .app-sidebar.collapsed .nav-expand,
    .app-sidebar.collapsed .nav-check {
        display: inline-block !important;
    }
    .app-sidebar.collapsed .sidebar-submenu.open {
        display: block !important;
    }
    .app-sidebar.collapsed .sidebar-user span:not(.user-avatar) {
        display: inline !important;
    }
    .app-sidebar.collapsed .btn-logout .label {
        display: inline !important;
    }
    .app-sidebar.collapsed .sidebar-brand,
    .app-sidebar.collapsed .nav-btn {
        justify-content: flex-start !important;
        padding-right: 16px !important;
        padding-left: 16px !important;
        gap: 10px !important;
    }
    .app-sidebar.collapsed .sidebar-user { justify-content: flex-start !important; }
    .app-sidebar.collapsed .btn-logout { padding: 8px !important; }
    .app-sidebar.collapsed .sidebar-footer { padding: 14px 18px !important; }
    .sidebar-collapse-btn { display: none; }
    .sidebar-mobile-toggle { display: flex; align-items: center; justify-content: center; }
    .app-main { margin-right: 0 !important; padding: 64px 16px 32px; }
    .sidebar-backdrop {
        display: none;
        position: fixed; inset: 0;
        background: rgba(0,0,0,0.4);
        z-index: 1025;
    }
    .sidebar-backdrop.show { display: block; }
}

/* =====================================================
   مكوّنات عامة: بطاقات، أزرار، جداول، باجات
   ===================================================== */

.card {
    border: 1px solid var(--pos-line);
    border-radius: var(--pos-radius);
    box-shadow: var(--pos-shadow);
    background: var(--pos-surface);
}

.card-header {
    background: var(--pos-surface);
    border-bottom: 1px solid var(--pos-line);
    font-weight: 600;
    border-radius: var(--pos-radius) var(--pos-radius) 0 0 !important;
}

.btn { border-radius: var(--pos-radius-sm); font-weight: 600; font-size: 0.88rem; }

.btn-primary {
    background: var(--pos-primary);
    border-color: var(--pos-primary);
}
.btn-primary:hover, .btn-primary:focus {
    background: var(--pos-primary-dark);
    border-color: var(--pos-primary-dark);
}

.btn-success { background: var(--pos-success); border-color: var(--pos-success); }
.btn-success:hover { background: var(--pos-success-dark); border-color: var(--pos-success-dark); }

.btn-danger { background: var(--pos-danger); border-color: var(--pos-danger); }
.btn-danger:hover { background: var(--pos-danger-dark); border-color: var(--pos-danger-dark); }

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

.btn-outline-secondary { color: var(--pos-ink-soft); border-color: var(--pos-line); }
.btn-outline-secondary:hover { background: var(--pos-ink-soft); border-color: var(--pos-ink-soft); }

.table { color: var(--pos-ink); }
.table thead th {
    background: var(--pos-surface-alt);
    border-bottom: 1px solid var(--pos-line);
    font-weight: 600;
    font-size: 0.82rem;
    color: var(--pos-ink-soft);
    text-transform: uppercase;
    letter-spacing: 0.02em;
}
.table > :not(caption) > * > * { border-bottom-color: var(--pos-line); }
.table-hover > tbody > tr:hover > * { background-color: var(--pos-surface-alt); }

.badge { border-radius: 20px; font-weight: 600; padding: 5px 10px; font-size: 0.74rem; }
.bg-success { background-color: var(--pos-success) !important; }
.bg-danger { background-color: var(--pos-danger) !important; }
.bg-warning { background-color: var(--pos-warning) !important; }
.bg-primary { background-color: var(--pos-primary) !important; }

.form-control, .form-select {
    border-radius: var(--pos-radius-sm);
    border-color: var(--pos-line);
    font-size: 0.88rem;
}
.form-control:focus, .form-select:focus {
    border-color: var(--pos-primary);
    box-shadow: 0 0 0 3px var(--pos-primary-soft);
}

.alert { border-radius: var(--pos-radius-sm); border: none; }
.alert-success { background: var(--pos-success-soft); color: var(--pos-success-dark); }
.alert-danger { background: var(--pos-danger-soft); color: var(--pos-danger-dark); }

.modal-content { border-radius: var(--pos-radius); border: none; }

/* عناوين الصفحات الداخلية */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 18px;
}
.page-header h3 { margin: 0; font-size: 1.35rem; }

/* =====================================================
   شاشة البيع POS (محافظة على الكلاسات القديمة المستخدمة بالفعل)
   ===================================================== */

.pos-product-card {
    cursor: pointer;
    transition: transform 0.12s ease, box-shadow 0.12s ease;
    user-select: none;
    border-radius: var(--pos-radius-sm);
}
.pos-product-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--pos-shadow-lg);
}
.pos-product-card .stock-badge {
    position: absolute;
    top: 5px;
    left: 5px;
}
.cart-table tbody tr td { vertical-align: middle; }
.qty-input { width: 60px; text-align: center; }

#cartPanel {
    position: sticky;
    top: 10px;
    max-height: 90vh;
    overflow-y: auto;
}

/* ===== طباعة الفاتورة (Receipt) ===== */
.receipt-box {
    width: 300px;
    margin: 0 auto;
    font-family: 'Courier New', monospace;
    font-size: 13px;
}
.receipt-box hr { border-top: 1px dashed #000; }
.receipt-box table { width: 100%; }

@media print {
    .no-print { display: none !important; }
    body { background: #fff; }
}

/* ===== طباعة الباركود ===== */
.barcode-label {
    display: inline-block;
    width: 200px;
    text-align: center;
    border: 1px dashed #999;
    margin: 5px;
    padding: 8px;
    page-break-inside: avoid;
}

/* إخفاء أي عنصر يحتوي على إعلان Somee بناءً على التنسيق الافتراضي له */
div[style*="position: fixed"][style*="bottom: 0px"],
div[style*="position:fixed"][style*="bottom:0"],
center a[href*="somee.com"] {
    display: none !important;
    visibility: hidden !important;
}