/* =========================================================
   STST Top Card Cosmetics
   Image thumbnail frame + future card skin foundation
========================================================= */

.thumb-wrapper {
    position: relative;
    display: inline-flex;
    flex: 0 0 auto;
    align-items: center;
}

.streamer-thumb-stage {
    position: relative;
    display: grid;
    width: 120px;
    height: 120px;
    flex: 0 0 120px;
    place-items: center;
    margin-right: 18px;
    isolation: isolate;
}

.streamer-thumb-stage--plain {
    width: 96px;
    height: 96px;
    flex-basis: 96px;
    margin-right: 24px;
}

.streamer-thumb-stage .streamer-thumb {
    position: relative;
    z-index: 1;
    display: block;
    width: 96px;
    height: 96px;
    margin: 0;
    object-fit: cover;
}

.streamer-thumb-frame {
    position: absolute;
    z-index: 2;
    inset: 0;
    display: block;
    overflow: visible;
    pointer-events: none;
    user-select: none;
}

.streamer-thumb-frame__image {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
    pointer-events: none;
    user-select: none;
}

/* default.webp が未配置・読込失敗した場合の保険 */
.streamer-thumb-frame--default-fallback {
    overflow: hidden;
    border: 3px solid #292929;
    border-radius: 18px;
    background: transparent;
    box-shadow:
        inset 0 0 0 3px #ffcf21,
        inset 0 0 0 6px rgba(255, 255, 255, 0.92),
        0 6px 15px rgba(37, 37, 37, 0.2);
}

.streamer-thumb-frame--default-fallback::before {
    position: absolute;
    inset: 9px;
    border: 2px solid rgba(37, 37, 37, 0.36);
    border-radius: 11px;
    content: "";
}

.streamer-thumb-frame--default-fallback::after {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(135deg, #f26a2a 0 10px, transparent 10px) top left / 28px 28px no-repeat,
        linear-gradient(225deg, #f26a2a 0 10px, transparent 10px) top right / 28px 28px no-repeat,
        linear-gradient(45deg, #f26a2a 0 10px, transparent 10px) bottom left / 28px 28px no-repeat,
        linear-gradient(315deg, #f26a2a 0 10px, transparent 10px) bottom right / 28px 28px no-repeat;
    content: "";
}

.thumb-wrapper .streamer-badge {
    z-index: 4;
    top: -8px;
    left: -8px;
}

/* SHOP: 後から data-card-skin を使って背景を差し替えるための基盤 */
.streamer-item[data-card-skin="default"] {
    --stst-card-background-id: "default";
}

@media (max-width: 768px) {
    .streamer-thumb-stage {
        width: 100px;
        height: 100px;
        flex-basis: 100px;
        margin-right: 8px;
    }

    .streamer-thumb-stage--plain {
        width: 80px;
        height: 80px;
        flex-basis: 80px;
        margin-right: 12px;
    }

    .streamer-thumb-stage .streamer-thumb {
        width: 80px;
        height: 80px;
    }

    .streamer-thumb-frame--default-fallback {
        border-width: 3px;
        border-radius: 15px;
        box-shadow:
            inset 0 0 0 2px #ffcf21,
            inset 0 0 0 5px rgba(255, 255, 255, 0.92),
            0 4px 10px rgba(37, 37, 37, 0.18);
    }

    .streamer-thumb-frame--default-fallback::before {
        inset: 8px;
        border-width: 1px;
        border-radius: 9px;
    }

    .thumb-wrapper .streamer-badge {
        top: -7px;
        left: -7px;
        width: 42px;
    }
}