.container-form {
    max-width: 900px;
    margin: 40px auto;
    background: #fff;
    padding: 35px 45px;
    border-radius: 12px;
    box-shadow: 0 4px 18px rgba(0,0,0,0.08);
}

h2, h3 {
    margin-top: 0;
    font-weight: 600;
    color: #222;
}

hr {
    border: 0;
    border-top: 1px solid #ddd;
    margin: 30px 0;
}

/* =========================================
   PRODUCT BOX (NIEBIESKI)
========================================= */

.product-info-box {
    background: #e8f0ff;
    border-left: 5px solid #2a6df4;
    padding: 18px 22px;
    border-radius: 6px;
    margin-bottom: 25px;
}

.product-info-box p {
    margin: 6px 0;
    font-size: 15px;
}

/* =========================================
   SHIPPING OPTIONS
========================================= */

.shipping-options label {
    display: block;
    padding: 12px 15px;
    background: #fafafa;
    border: 1px solid #ddd;
    border-radius: 6px;
    margin-bottom: 12px;
    cursor: pointer;
    transition: 0.2s;
}

.shipping-options label:hover {
    background: #f0f0f0;
}

.shipping-options input[type="radio"] {
    margin-right: 10px;
}

/* =========================================
   PAYMENT BOX (ŻÓŁTY)
========================================= */

.payment-box {
    background: #fffbe6;
    border-left: 5px solid #f1c40f;
    padding: 18px 22px;
    border-radius: 6px;
    margin-bottom: 25px;
}

.payment-box label {
    font-weight: 600;
    display: block;
    margin-bottom: 8px;
}

.payment-box select {
    width: 100%;
    padding: 12px;
    border-radius: 6px;
    border: 1px solid #ccc;
    font-size: 15px;
    background: #fff;
    transition: 0.2s;
}

.payment-box select:focus {
    border-color: #f1c40f;
    box-shadow: 0 0 0 2px rgba(241,196,15,0.25);
    outline: none;
}

/* =========================================
   FORM FIELDS
========================================= */

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 6px;
}

.form-group input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 15px;
    transition: 0.2s;
}

.form-group input:focus {
    border-color: #2a6df4;
    box-shadow: 0 0 0 2px rgba(42,109,244,0.2);
    outline: none;
}

/* =========================================
   CHECKBOXES & RADIO
========================================= */

input[type="checkbox"],
input[type="radio"] {
    transform: scale(1.2);
    margin-right: 8px;
}

/* =========================================
   BUTTON
========================================= */

button[type="submit"] {
    background: #2a6df4;
    color: #fff;
    padding: 14px 28px;
    border: none;
    border-radius: 6px;
    font-size: 17px;
    cursor: pointer;
    transition: 0.25s;
    font-weight: 600;
}

button[type="submit"]:hover {
    background: #1f56c9;
}

/* =========================================
   INVOICE SECTION (POMARAŃCZOWY)
========================================= */

#invoice-data {
    background: #fff4e6;
    border-left: 5px solid #ff9800;
    padding: 15px 20px;
    border-radius: 6px;
    margin-top: 15px;
}

#invoice-data .form-group {
    margin-bottom: 12px;
}

/* =========================================
   DELIVERY ADDRESS (FIOLETOWY)
========================================= */

#delivery-address {
    background: #f4e9ff;
    border-left: 5px solid #9b4dff;
    padding: 15px 20px;
    border-radius: 6px;
    margin-top: 15px;
}

#delivery-address .form-group {
    margin-bottom: 12px;
}

/* =========================================
   SUMMARY BOX (ZIELONY)
========================================= */

.summary-box {
    background: #e9f9ef;
    border-left: 5px solid #28a745;
    padding: 20px 25px;
    border-radius: 8px;
    margin-top: 25px;
    margin-bottom: 25px;
}

.summary-box p {
    font-size: 16px;
    margin: 8px 0;
}

.summary-box span {
    float: right;
    font-weight: 600;
}

.summary-total {
    font-size: 20px;
    color: #000;
}

.summary-total span {
    font-size: 22px;
    color: #28a745;
}

/* =========================================
   LINKS
========================================= */

a {
    color: #2a6df4;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}