:root {
    --primary: #1282a2;
    --secondary: #e0ae4c;
    --bg: #f0f9fb;
    --input-bg: #fdfdfd;
    --success: #5b8c5a;
    --error: #d9534f;
    --radius: 18px;
    --shadow: 0 2px 12px 0 rgba(18,130,162,0.07);
    /* width used for the last-name column in the name split group on small screens */
    --last-name-width: 1000px;
    }
    body {
        font-family: 'Cairo', sans-serif;
        background: var(--bg);
        margin: 0;
        color: #222;
        min-height: 100vh;
    }
    .container {
        max-width: 700px;
        margin: 32px auto;
        background: #fff;
        border-radius: var(--radius);
        box-shadow: var(--shadow);
        padding: 32px 24px 24px 24px;
    }
    .logo {
        display: block;
        margin: 0 auto 24px auto;
        max-width: 180px;
    }
    h1 {
        text-align: center;
        color: var(--primary);
        margin-bottom: 32px;
        font-size: 2rem;
        letter-spacing: 1px;
    }
    .product-types {
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
        margin-bottom: 24px;
        justify-content: center;
    }
    .product-type-btn {
        background: var(--bg);
        border: 2px solid var(--primary);
        color: var(--primary);
        border-radius: var(--radius);
        padding: 10px 22px;
        font-size: 1rem;
        cursor: pointer;
        transition: background 0.15s, color 0.15s;
        min-width: 90px;
        outline: none;
    }
    .product-type-btn.selected, .product-type-btn:focus {
        background: var(--primary);
        color: #fff;
    }
    .section {
        margin-bottom: 28px;
        background: var(--bg);
        border-radius: var(--radius);
        padding: 18px 14px;
        box-shadow: 0 1px 6px 0 rgba(18,130,162,0.04);
    }
    .product-header {
        background: var(--secondary);
        color: #1a1a1a;
        padding: 8px 12px;
        border-radius: 12px;
        font-weight: 800;
        display: inline-block;
        margin-bottom: 12px;
        box-shadow: 0 2px 8px rgba(224,174,76,0.12);
    }
    .field-group {
        margin-bottom: 18px;
        display: flex;
        flex-direction: column;
        gap: 6px;
    }

    /* smaller gap specifically after the custom measurement checkbox */
    .custom-meas { margin-bottom: 6px; }
    label {
        font-weight: 500;
        color: var(--primary);
        margin-bottom: 2px;
    }
    input[type="text"], input[type="number"], select, textarea {
        background: var(--input-bg);
        border: 1.5px solid #dbe9ef;
        border-radius: 10px;
        padding: 8px 12px;
        font-size: 1rem;
        transition: border 0.15s;
        outline: none;
        width: 100%;
        box-sizing: border-box;
    }
    input:focus, select:focus, textarea:focus {
        border-color: var(--primary);
    }
    .input-row {
        display: flex;
        gap: 10px;
        align-items: center;
    }

    /* Ensure two-column fields like first/last name look side-by-side */
    /* Use grid for stable two-column layout so inputs don't wrap on narrow devices */
    #nameSplitGroup {
        display: grid;
        grid-template-columns: 2fr 1fr;
        gap: 10px;
        align-items: center;
        width: 100%;
    }
    #nameSplitGroup > div { min-width: 0; }
    #nameSplitGroup label { display:block; }
    /* Make the name inputs look like a single-line underline instead of a rectangle */
    #nameSplitGroup input {
        width: 100%;
        box-sizing: border-box;
        background: transparent;
        border: none;
        border-bottom: 1.5px solid #dbe9ef;
        border-radius: 0;
        padding: 6px 4px;
        font-size: 1rem;
    }
    #nameSplitGroup input:focus {
        outline: none;
        border-bottom-color: var(--primary);
        background: transparent;
    }

    /* Small-screen adjustments: keep the two inputs side-by-side by making the last name narrow */
    @media (max-width: 420px) {
        /* keep the first and last name on the same line on most phones;
           give the last-name column a little more breathing room for mobile input */
    /* use a single variable so the last-name width is easy to change */
    #nameSplitGroup { gap: 6px; grid-template-columns: 1.5fr 1fr; }
    #nameSplitGroup label { display: none; }
        /* small padding and slightly larger font for better readability on mobile */
    #nameSplitGroup input { padding: 6px 4px; font-size: 0.95rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
    }

    /* Very small screens: stack vertically as a last resort */
    @media (max-width: 260px) {
        #nameSplitGroup { grid-template-columns: 1fr; gap: 6px; }
        #nameSplitGroup label { display: block; }
        #nameSplitGroup input { white-space: normal; overflow: visible; text-overflow: clip; }
    }
    .input-number-group {
        display: flex;
        align-items: center;
        gap: 0;
    }
    .input-number-btn {
        background: var(--secondary);
        border: none;
        color: #fff;
        font-size: 1.2rem;
        width: 32px;
        height: 32px;
        border-radius: 50%;
        cursor: pointer;
        transition: background 0.15s;
        margin: 0 2px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .input-number-btn:active {
        background: var(--primary);
    }
    .input-number-group input[type="number"] {
        width: 70px;
        text-align: center;
        margin: 0 2px;
    }
    .add-product-btn {
        background: var(--primary);
        color: #fff;
        border: none;
        border-radius: var(--radius);
        padding: 10px 22px;
        font-size: 1rem;
        cursor: pointer;
        display: flex;
        align-items: center;
        gap: 8px;
        margin: 0 auto 18px auto;
        transition: background 0.15s;
    }
    .add-product-btn:active {
        background: var(--secondary);
    }
    .remove-product-btn {
        background: var(--error);
        color: #fff;
        border: none;
        border-radius: 50%;
        width: 32px;
        height: 32px;
        font-size: 1.2rem;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-right: 8px;
        margin-bottom: 8px;
        float: left;
    }
    .discount-options {
        display: flex;
        gap: 18px;
        margin-bottom: 12px;
        align-items: center;
    }
    .discount-options label {
        color: #444;
        font-weight: 400;
        margin-bottom: 0;
    }
    .summary-row {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 10px;
        font-size: 1.1rem;
    }
    .summary-row strong {
        color: var(--primary);
    }
    .continue-btn, .submit-btn {
        background: var(--secondary);
        color: #fff;
        border: none;
        border-radius: var(--radius);
        padding: 12px 0;
        font-size: 1.1rem;
        width: 100%;
        cursor: pointer;
        margin-top: 18px;
        transition: background 0.15s;
        font-weight: bold;
        letter-spacing: 1px;
    }
    .continue-btn:active, .submit-btn:active {
        background: var(--primary);
    }
    .back-btn {
        background: none;
        border: none;
        color: var(--primary);
        font-size: 1.8rem;
        cursor: pointer;
        margin-bottom: 18px;
        margin-right: 0;
        float: left;
        transition: color 0.15s;
    }
    .back-btn:active {
        color: var(--secondary);
    }

    #customerPhone {
    width: 100%;
    max-width: 300px;
    height: 2em;
    font-size: 1.1em;
    border-radius: 8px;
    border: 1px solid #ccc;
    }

    .snackbar {
        visibility: hidden;
        min-width: 180px;
        background-color: var(--success);
        color: #fff;
        text-align: center;
        border-radius: 8px;
        padding: 12px 18px;
        position: fixed;
        z-index: 999;
        left: 50%;
        bottom: 32px;
        transform: translateX(-50%);
        font-size: 1rem;
        box-shadow: 0 2px 8px 0 rgba(91,140,90,0.13);
        opacity: 0;
        transition: opacity 0.3s, visibility 0.3s;
    }
    .snackbar.show {
        visibility: visible;
        opacity: 1;
    }
    #receivedSection {
        margin-bottom: 18px;
    }
    #receivedFieldsDiv {
        background: #f8fafd;
        border-radius: 10px;
        padding: 10px 12px 8px 12px;
        margin-top: 8px;
        box-shadow: 0 1px 4px 0 rgba(18,130,162,0.04);
    }
    #receivedFieldsDiv label {
        color: var(--primary);
        font-weight: 500;
        margin-bottom: 2px;
    }
    #receivedAmountInput {
        width: 120px;
        margin-left: 8px;
    }
    #remainingAmountValue {
        font-weight: bold;
        color: #1282a2;
        margin-left: 8px;
    }
    /* وصف المنتج */
    .product-description-checkbox {
        display: inline-flex;
        align-items: center;
        cursor: pointer;
        margin-bottom: 4px;
    }
    .product-description-input {
        margin-top: 6px;
        width: 100%;
        max-width: 350px;
        background: var(--input-bg);
        border: 1.5px solid #dbe9ef;
        border-radius: 10px;
        padding: 8px 12px;
        font-size: 1rem;
        transition: border 0.15s;
        outline: none;
        box-sizing: border-box;
        min-height: 60px;
        resize: vertical;
        white-space: pre-wrap;
        line-height: 1.5;
    }
    .product-description-input:focus {
        border-color: var(--primary);
    }
    /* Measurement quick-select buttons (used for واتربروف) */
    .size-select-btn {
        padding: 10px 14px;
        border: 1px solid #d0e7ea;
        background: #fff;
        color: var(--primary);
        border-radius: 12px;
        cursor: pointer;
        transition: background 0.12s, color 0.12s, border-color 0.12s, box-shadow 0.12s, transform 0.08s;
        box-shadow: 0 2px 8px rgba(18,130,162,0.06);
        font-weight: 700;
        font-size: 1rem;
        min-width: 86px;
        height: 44px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }
    .size-select-btn:hover {
        background: #f0fbfe;
        border-color: rgba(18,130,162,0.15);
        transform: translateY(-1px);
    }
    .size-select-active {
        background: var(--primary) !important;
        color: #fff !important;
        border-color: var(--primary) !important;
        box-shadow: 0 4px 18px rgba(18,130,162,0.18);
    }
    .sizes-container {
        margin-top: 8px;
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        margin-bottom: 14px; /* space between buttons and the next div */
    }

    /* Heights label and buttons (smaller variants of size-select-btn) */
    .heights-label {
        color: var(--primary);
        font-weight: 600;
        margin-top: 8px;
        margin-bottom: 6px;
        display: block;
    }
    .measure-label {
        color: var(--primary);
        font-weight: 600;
        margin-top: 6px;
        margin-bottom: 6px;
        display: block;
    }
    .heights-container {
        display: flex;
        gap: 8px;
        align-items: center;
        margin-bottom: 10px;
    }
    /* reuse size-select-btn look but scaled down for heights */
    .heights-container .size-select-btn {
        padding: 6px 10px;
        min-width: 48px;
        height: 36px;
        font-size: 0.95rem;
        border-radius: 10px;
        font-weight: 700;
    }

    /* Slightly reduce button size on very small screens */
    @media (max-width: 420px) {
        .size-select-btn {
            padding: 8px 10px;
            font-size: 0.95rem;
            min-width: 74px;
            height: 40px;
        }
    }
    /* Custom product name field for 'أخرى' */
    .field-group input[type="text"] {
        width: 100%;
        padding: 6px 8px;
        font-size: 1em;
        border: 1px solid #ccc;
        border-radius: 4px;
        margin-top: 2px;
        margin-bottom: 8px;
        box-sizing: border-box;
    }
    /* Governorate selector styles */
    .governorate-btn {
        transition: background 0.15s, color 0.15s;
    }
    .governorate-btn:hover, .governorate-btn:focus {
        background: #e0f7fa;
        color: #00796b;
    }
    .modal {
        display: none;
        position: fixed;
        z-index: 1000;
        left: 0;
        top: 0;
        width: 100vw;
        height: 100vh;
        overflow: auto;
        background: rgba(0,0,0,0.25);
    }
    .modal-content {
        background: #fff;
        margin: 7% auto;
        padding: 24px 18px 18px 18px;
        border-radius: 10px;
        width: 95%;
        max-width: 420px;
        box-shadow: 0 2px 16px #0002;
        position: relative;
    }
    .close {
        color: #888;
        position: absolute;
        top: 10px;
        left: 16px;
        font-size: 2em;
        font-weight: bold;
        cursor: pointer;
        transition: color 0.2s;
    }
    .close:hover {
        color: #c00;
    }
    #governorateList {
        max-height: 340px;
        overflow-y: auto;
    }
    @media (max-width: 600px) {
        .container {
            padding: 12px 4px 18px 4px;
        }
        .product-types {
            gap: 6px;
        }
        .section {
            padding: 10px 4px;
        }
        .summary-row {
            font-size: 1rem;
        }
    }

/* Find customer section */
#find-customer-section {
    background: #fff;
    border: 1px solid #e6eef0;
    border-radius: 8px;
    padding: 8px 10px;
    margin-bottom: 12px;
}
.find-customer-buttons {
    display:flex;
    gap:8px;
    align-items:center;
}
.find-customer-buttons button { background:none;border:none;cursor:pointer;padding:4px; }
.find-customer-buttons img.icon-btn { width:22px;height:22px;display:block }
#customer-list-box { margin-top:8px; }
#customer-names { display:flex; gap:8px; align-items:center }
.customer-name-btn { padding:6px 10px; font-size:0.95rem; border-radius:6px; background:#f1f5f6; border:none; cursor:pointer }
.customer-name-btn.selected { background:#c7f0d3 }
.small-id-box { display:inline-flex; align-items:center; gap:8px; padding:6px 8px; background:#e9fbff; border:1px solid #bfeef9; border-radius:6px; margin-top:8px }
.small-id-box .remove-customer { background:none;border:none;cursor:pointer;color:#c33;font-size:1.1rem }

/* Gender selector buttons */
.gender-buttons { display:flex; gap:8px; margin-top:6px; }
.gender-btn { padding:8px 12px; border-radius:6px; border:1px solid #ddd; background:#fff; cursor:pointer; font-weight:600 }
.gender-btn.selected { background: #0b74de; color:#fff; border-color:#0b74de }
.gender-btn:focus { outline:2px solid #8fbbe9 }

/* Event type capsule buttons (inline with label) */
.event-capsule { display:flex; gap:8px; align-items:center; }
.event-capsule-btn {
    padding:8px 14px;
    border-radius:999px;
    border:1px solid rgba(0,0,0,0.12);
    background: transparent;
    color: var(--primary);
    cursor: pointer;
    font-weight: 600;
    min-width: 86px;
}
.event-capsule-btn.selected {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

/* utility: hide input fields when JS marks them non-editable */
.hidden-input { display:none !important; }

/* duvet fixed-dim display: show values inline to the right of the labels */
.duvet-dim { display:flex; gap:12px; align-items:center; }
.duvet-dim .dim-label { min-width:60px; color:var(--primary); font-weight:600 }
.duvet-dim .dim-value { font-weight:700; color:#222 }