/* 即時影像（/roadcctv）專屬樣式。
   版面骨架（配色變數、查詢列、路線軸、卡片、回到頂部、RWD）在 ~/css/view/_shared/segment-page.css，
   與資訊可變標誌頁（/n_cms）共用；這裡只放 CCTV 才有的影像與播放鍵。 */

/* 有串流網址的才可點開播放 */
.rc-card.rc-playable {
    cursor: pointer;
    transition: box-shadow .2s, transform .2s, border-color .2s;
}

.rc-card.rc-playable:hover {
    box-shadow: var(--rc-shadow-hover);
    transform: translateY(-3px);
    border-color: var(--rc-brand-soft);
}

.rc-card.rc-playable:focus-visible {
    outline: 3px solid var(--rc-brand-soft);
    outline-offset: 2px;
}


.rc-card-img {
    position: relative;
    aspect-ratio: 16 / 9;
    background: #20262e;
}

.rc-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* 播放提示：滑過影像時浮出的播放鍵 */
.rc-card.rc-playable .rc-card-img::before {
    content: "\f04b"; /* Font Awesome play */
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%) scale(.85);
    z-index: 1;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(0, 0, 0, .55);
    backdrop-filter: blur(2px);
    border: 2px solid rgba(255, 255, 255, .85);
    color: #fff;
    font-size: 1.0625rem;
    padding-left: 4px; /* 三角形視覺置中 */
    opacity: 0;
    transition: opacity .2s, transform .2s;
}

.rc-card.rc-playable:hover .rc-card-img::before,
.rc-card.rc-playable:focus-visible .rc-card-img::before {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

/* 影像載入失敗時由 JS 加上，蓋掉破圖 */
.rc-card-img.rc-noimg::after {
    content: "\f6a9  暫無影像"; /* Font Awesome video-slash */
    font-family: "Font Awesome 6 Free", inherit;
    font-weight: 900;
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: #7d8894;
    font-size: .875rem;
    background: #20262e;
}

/* 無影像時不要蓋播放鍵 */
.rc-card.rc-playable .rc-card-img.rc-noimg::before {
    display: none;
}