/* ==================================================
   投稿類型切換專用 CSS
   僅作用於 #submit-section，不影響原本網站 CSS
================================================== */

/* 投稿類型與來源選擇排列 */
#submit-section .submit-type-options,
#submit-section .submit-source-options {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    width: 100%;
}


/* 每一個選擇方框 */
#submit-section .submit-choice-box {
    position: relative;

    display: flex;
    align-items: center;
    justify-content: center;

    min-height: 52px;
    width: 100%;
    padding: 12px 16px;

    box-sizing: border-box;

    border: 2px solid #666666;
    border-radius: 10px;

    background-color: rgba(255, 255, 255, 0.05);
    color: inherit;

    font-size: 16px;
    font-weight: 700;
    text-align: center;

    cursor: pointer;
    user-select: none;

    transition:
        border-color 0.2s ease,
        background-color 0.2s ease,
        color 0.2s ease,
        box-shadow 0.2s ease,
        transform 0.2s ease;
}


/* 隱藏原本 radio 圓圈 */
#submit-section .submit-choice-box input[type="radio"] {
    position: absolute;

    width: 1px;
    height: 1px;
    margin: 0;
    padding: 0;

    opacity: 0;
    overflow: hidden;

    pointer-events: none;
}


/* 滑鼠移入 */
#submit-section .submit-choice-box:hover {
    border-color: #ff6b35;
    background-color: rgba(255, 107, 53, 0.1);
}


/* 鍵盤操作焦點 */
#submit-section .submit-choice-box:has(input[type="radio"]:focus-visible) {
    outline: 3px solid rgba(255, 107, 53, 0.35);
    outline-offset: 3px;
}


/* 已選取狀態 */
#submit-section .submit-choice-box:has(input[type="radio"]:checked) {
    border-color: #ff4500;
    background-color: #ff4500;
    color: #ffffff;

    box-shadow:
        0 0 0 3px rgba(255, 69, 0, 0.18),
        0 6px 18px rgba(255, 69, 0, 0.22);

    transform: translateY(-1px);
}


/* 已選取時右上角勾勾 */
#submit-section .submit-choice-box:has(input[type="radio"]:checked)::after {
    content: "✓";

    position: absolute;
    top: 6px;
    right: 10px;

    font-size: 18px;
    font-weight: 900;
    line-height: 1;

    color: #ffffff;
}


/* 動態長出的投稿欄位 */
#submit-section .submit-dynamic-fields {
    display: none;
    margin-top: 18px;
}


/* 顯示中的投稿欄位 */
#submit-section .submit-dynamic-fields.is-active {
    display: block;
}


/* 圖片或 UPTCG 內容區塊 */
#submit-section .submit-source-panel {
    display: none;
}


/* 顯示中的來源區塊 */
#submit-section .submit-source-panel.is-active {
    display: block;
}


/* 上傳提示文字 */
#submit-section .submit-upload-hint {
    margin-top: 6px;

    font-size: 13px;
    line-height: 1.5;

    opacity: 0.75;
}


/* 玩家上傳圖片預覽 */
#submit-section .submit-upload-preview {
    display: none;

    max-width: 100%;
    max-height: 560px;

    margin: 12px auto 0;

    object-fit: contain;
}


/* 有圖片時顯示 */
#submit-section .submit-upload-preview.is-active {
    display: block;
}


/* 小螢幕改成單欄 */
@media (max-width: 640px) {
    #submit-section .submit-type-options,
    #submit-section .submit-source-options {
        grid-template-columns: 1fr;
    }
}