/* =========================================================
   1. تعريفات الألوان الأساسية ودعم الدارك مود
   ========================================================= */
:root {
    --bg-app: #f8f9fa;
    --bg-side: #ffffff;
    --text-main: #212529;
    --accent: #0d5c3a; /* الأخضر الداكن للهوية */
    --accent-light: rgba(13, 92, 58, 0.1);
    --border-color: #dee2e6;
    --shadow: 0 4px 6px rgba(0,0,0,0.05);
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg-app: #121212;
        --bg-side: #1e1e1e;
        --text-main: #e0e0e0;
        --border-color: #333333;
    }
}

/* =========================================================
   2. الحاوية الرئيسية والصفحة
   ========================================================= */
.pos-simple-container {
    display: flex;
    height: calc(100vh - 140px);
    gap: 20px;
    direction: rtl;
    padding: 10px;
}

/* --- جانب المنتجات --- */
.main-content {
    flex: 3;
    display: flex;
    flex-direction: column;
}

.search-clean {
    background: var(--bg-side);
    border-radius: 12px;
    padding: 5px 15px;
    display: flex;
    align-items: center;
    border: 1px solid var(--border-color);
    margin-bottom: 20px;
    box-shadow: var(--shadow);
}

    .search-clean input {
        background: transparent;
        border: none;
        color: var(--text-main);
        padding: 12px;
        width: 100%;
        outline: none;
        font-family: 'Cairo', sans-serif;
    }

/* =========================================================
   3. شبكة الكروت المطورة
   ========================================================= */
.product-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 15px;
    overflow-y: auto;
    padding: 5px;
}

.simple-card {
    background: var(--bg-side);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow);
}

    .simple-card:hover {
        border-color: var(--accent);
        transform: translateY(-5px);
        box-shadow: 0 8px 15px rgba(0,0,0,0.1);
    }

.card-image-wrapper {
    width: 100%;
    height: 120px;
    background: var(--bg-app);
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid var(--border-color);
    overflow: hidden;
}

    .card-image-wrapper img {
        max-width: 90%;
        max-height: 90%;
        object-fit: contain;
        transition: transform 0.3s ease;
    }

.simple-card:hover .card-image-wrapper img {
    transform: scale(1.1);
}

.product-img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    padding: 10px;
}

.default-icon {
    font-size: 3.5rem;
    color: var(--accent-light);
}

.card-info-wrapper {
    padding: 12px;
    text-align: center;
}

.card-name {
    color: var(--text-main);
    font-weight: 700;
    font-size: 0.95rem;
    margin-bottom: 5px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.card-price {
    color: var(--accent);
    font-weight: 800;
    font-size: 1rem;
}

/* =========================================================
   4. جانب الفاتورة (Checkout Sidebar)
   ========================================================= */
.side-checkout {
    flex: 1.2;
    min-width: 320px;
}

.order-box {
    background: var(--bg-side);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    height: 100%;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: var(--shadow);
}

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

    .order-head h5 {
        margin: 0;
        font-weight: 800;
        color: var(--text-main);
    }

    .order-head .count {
        background: var(--accent);
        color: white;
        padding: 4px 12px;
        border-radius: 8px;
        font-size: 0.8rem;
        font-weight: 700;
    }

.order-list {
    flex: 1;
    overflow-y: auto;
    padding: 15px;
}

.order-item-row {
    background: var(--bg-app);
    padding: 12px;
    border-radius: 12px;
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid var(--border-color);
}

.order-item-info .name {
    display: block;
    font-weight: 700;
    color: var(--text-main);
    font-size: 0.9rem;
}

.order-item-info .sub {
    font-size: 0.8rem;
    color: var(--accent);
}

.order-item-qty {
    display: flex;
    align-items: center;
    gap: 10px;
}

    .order-item-qty button {
        width: 28px;
        height: 28px;
        border: none;
        border-radius: 8px;
        background: var(--accent);
        color: white;
        cursor: pointer;
        font-weight: bold;
    }

.order-footer {
    padding: 20px;
    background: var(--bg-app);
    border-top: 2px dashed var(--border-color);
}

.total-line {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.final-price {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--accent);
}

.btn-complete {
    width: 100%;
    background: var(--accent);
    color: white;
    padding: 18px;
    border: none;
    border-radius: 14px;
    font-weight: 800;
    font-size: 1.1rem;
    cursor: pointer;
    transition: 0.3s;
}

    .btn-complete:hover:not(:disabled) {
        filter: brightness(1.15);
        box-shadow: 0 4px 12px rgba(13, 92, 58, 0.25);
    }

    .btn-complete:disabled {
        background: var(--border-color);
        cursor: not-allowed;
        opacity: 0.6;
    }

/* =========================================================
   5. نافذة الدفع (Payment Modal & Options)
   ========================================================= */
.payment-modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    padding: 20px;
    backdrop-filter: blur(2px);
}

.payment-modal {
    width: min(680px, 95vw);
    background: var(--bg-side);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
    direction: rtl;
    border: 1px solid var(--border-color);
}

.payment-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
}

    .payment-modal-header h3 {
        margin: 0;
        font-size: 20px;
        font-weight: 700;
        color: var(--accent);
    }

.payment-close-btn {
    border: 0;
    background: transparent;
    cursor: pointer;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-main);
    transition: background 0.2s;
}

    .payment-close-btn:hover {
        background: rgba(0, 0, 0, 0.05);
    }

.payment-modal-body {
    padding: 24px;
}

/* إجمالي المبلغ داخل المودال */
.payment-total {
    background-color: var(--bg-app);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 16px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

    .payment-total span {
        color: #64748b;
        font-size: 1rem;
    }

    .payment-total strong {
        font-size: 1.6rem;
        font-weight: 800;
        color: var(--text-main);
    }

/* خيارات طرق الدفع (Grid) */
.payment-options-grid,
.payment-options {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 20px;
}

.payment-card,
.payment-option {
    position: relative;
    background: var(--bg-side);
    border: 2px solid var(--border-color);
    border-radius: 16px;
    padding: 20px 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    cursor: pointer;
    transition: all 0.25s ease;
    outline: none;
    min-height: 140px;
}

    .payment-card:hover,
    .payment-option:hover {
        border-color: var(--accent);
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(13, 92, 58, 0.08);
    }

    /* الحالة المختارة للكارت */
    .payment-card.selected,
    .payment-option.selected {
        border-color: var(--accent) !important;
        background-color: var(--accent-light) !important;
        box-shadow: 0 4px 14px rgba(13, 92, 58, 0.15);
    }

/* الأيقونات داخل خيارات الدفع */
.payment-icon {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
    transition: all 0.2s ease;
}

    .payment-icon.cash,
    .cash-icon {
        background-color: #fff3cd;
        color: #856404;
    }

    .payment-icon.bank,
    .bank-icon {
        background-color: #e8f0fe;
        color: #1a73e8;
    }

    .payment-icon.credit {
        background-color: #feefe3;
        color: #e37400;
    }

.payment-details strong,
.payment-option-info strong {
    display: block;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 4px;
}

.payment-details small,
.payment-option-info span {
    color: #64748b;
    font-size: 0.8rem;
}

/* علامة الصح للتحديد */
.check-icon,
.payment-check {
    position: absolute;
    top: 10px;
    left: 10px;
    color: var(--accent);
    font-size: 20px;
    opacity: 0;
    transform: scale(0.5);
    transition: all 0.2s ease;
}

.payment-card.selected .check-icon,
.payment-card.selected .payment-check,
.payment-option.selected .check-icon,
.payment-option.selected .payment-check {
    opacity: 1;
    transform: scale(1);
}

/* اختيار العميل (في حالة الآجل) */
.customer-selection-card {
    background: var(--bg-app);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 16px;
    margin-top: 15px;
}

.select-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.custom-select-lg {
    width: 100%;
    padding: 12px 16px;
    font-size: 0.95rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-side);
    color: var(--text-main);
    appearance: none;
    -webkit-appearance: none;
    cursor: pointer;
}

    .custom-select-lg:focus {
        border-color: var(--accent);
        box-shadow: 0 0 0 3px var(--accent-light);
        outline: none;
    }

.dropdown-arrow {
    position: absolute;
    left: 12px;
    pointer-events: none;
    color: #64748b;
}

/* =========================================================
   6. أزرار الفوتر للمودال (Footer Actions)
   ========================================================= */
.payment-modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 24px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.btn-payment-cancel {
    height: 46px;
    padding: 0 24px;
    border-radius: 10px;
    border: 1px solid #cbd5e1;
    background-color: var(--bg-side);
    color: #475569;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.2s ease;
    flex: 0 0 auto;
}

    .btn-payment-cancel:hover:not(:disabled) {
        background-color: var(--bg-app);
        border-color: #94a3b8;
        color: var(--text-main);
    }

.btn-payment-confirm {
    height: 46px;
    padding: 0 32px;
    border-radius: 10px;
    border: none;
    background-color: var(--accent);
    color: #ffffff;
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    box-shadow: 0 2px 6px rgba(13, 92, 58, 0.2);
    flex: 0 0 auto;
}

    .btn-payment-confirm:hover:not(:disabled) {
        filter: brightness(1.15);
        box-shadow: 0 4px 12px rgba(13, 92, 58, 0.3);
    }

    .btn-payment-confirm:disabled {
        background-color: #a3d1bd !important;
        color: #ffffff !important;
        cursor: not-allowed;
        box-shadow: none;
    }

.btn-payment-cancel:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* =========================================================
   7. التجاوب مع الشاشات الصغيرة (Responsive)
   ========================================================= */
@media (max-width: 600px) {
    .payment-options-grid,
    .payment-options {
        grid-template-columns: 1fr;
    }

    .payment-card,
    .payment-option {
        min-height: auto;
        flex-direction: row;
        justify-content: flex-start;
        gap: 15px;
        padding: 16px;
    }

    .payment-icon {
        margin-bottom: 0;
        flex-shrink: 0;
    }

    .payment-details,
    .payment-option-info {
        text-align: right;
    }

    .payment-modal-footer {
        flex-direction: column-reverse;
    }

    .btn-payment-cancel,
    .btn-payment-confirm {
        width: 100%;
        flex: 1 1 auto;
    }
}

.fade-in {
    animation: fadeIn 0.25s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-6px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}