< !-- Výběr velikosti – CSS Start --><style>.size-picker {
    font-family: 'Segoe UI', system-ui, sans-serif;
    margin: 16px 0
}

.size-picker__section {
    margin-bottom: 16px
}

.size-picker__label {
    font-size: 13px;
    font-weight: 600;
    color: #555;
    text-transform: uppercase;
    letter-spacing: .04em;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px
}

.size-picker__label .selected-label {
    font-weight: 400;
    color: #e07b00;
    text-transform: none;
    letter-spacing: 0
}

.size-picker__grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px
}

.color-btn {
    width: 56px;
    height: 56px;
    border: 2px solid #d9d9d9;
    border-radius: 8px;
    background: #fff;
    cursor: pointer;
    padding: 2px;
    box-sizing: border-box;
    transition: border-color .15s, transform .1s;
    overflow: hidden;
    outline: none
}

.color-btn img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 5px;
    display: block
}

.color-btn:hover {
    border-color: #e07b00;
    transform: translateY(-1px);
    box-shadow: 0 3px 8px rgba(224, 123, 0, .15)
}

.color-btn.is-selected {
    border-color: #e07b00;
    box-shadow: 0 0 0 1px #e07b00
}

.size-btn {
    position: relative;
    min-width: 44px;
    height: 44px;
    padding: 0 12px;
    border: 1.5px solid #d9d9d9;
    border-radius: 8px;
    background: #fff;
    color: #333;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    line-height: 1.3;
    transition: border-color .15s, color .15s, background .15s, transform .1s;
    user-select: none;
    outline: none;
    box-sizing: border-box;
    white-space: nowrap
}

.size-btn:hover:not([disabled]) {
    border-color: #e07b00;
    color: #e07b00;
    transform: translateY(-1px);
    box-shadow: 0 3px 8px rgba(224, 123, 0, .15)
}

.size-btn.is-selected {
    border-color: #e07b00;
    background: #fff7ee;
    color: #e07b00;
    font-weight: 700;
    box-shadow: 0 0 0 1px #e07b00
}

.size-btn[disabled] {
    color: #bbb;
    border-color: #eaeaea;
    cursor: not-allowed;
    background: #fafafa
}

.size-btn[disabled]::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 70%;
    height: 1.5px;
    background: #ccc;
    transform: translate(-50%, -50%) rotate(-45deg);
    border-radius: 2px
}

.size-picker__sizes {
    display: none
}

.size-picker__sizes.is-visible {
    display: block
}

.size-picker__error {
    display: none;
    color: #cc0000;
    font-size: 12px;
    margin-top: 6px
}

.size-picker__error.is-visible {
    display: block
}

</style>< !-- Výběr velikosti – CSS Konec -->