.shared-media-upload {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 5px 10px;
    width: 100%;
    margin-bottom: 7px;
    padding: 9px 11px;
    border: 1px solid #cfe0f5;
    border-radius: 10px;
    background: #f7faff;
    color: #334155;
    box-sizing: border-box;
    box-shadow: 0 3px 10px rgba(15, 23, 42, 0.06);
}

.shared-media-upload__head {
    display: flex;
    min-width: 0;
    align-items: center;
    gap: 8px;
}

.shared-media-upload__name {
    overflow: hidden;
    font-size: 13px;
    font-weight: 700;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.shared-media-upload__percent {
    flex: none;
    color: #1769e8;
    font-size: 12px;
    font-weight: 800;
}

.shared-media-upload__stage {
    grid-column: 1;
    color: #64748b;
    font-size: 12px;
}

.shared-media-upload__track {
    overflow: hidden;
    grid-column: 1 / -1;
    height: 5px;
    border-radius: 999px;
    background: #dce7f5;
}

.shared-media-upload__bar {
    display: block;
    width: 0;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, #1f75f0, #54a2ff);
    transition: width 120ms linear;
}

.shared-media-upload.is-indeterminate .shared-media-upload__bar {
    width: 36% !important;
    animation: shared-media-upload-slide 1.15s ease-in-out infinite;
}

.shared-media-upload__cancel {
    grid-column: 2;
    grid-row: 1 / 3;
    align-self: center;
    padding: 5px 8px;
    border: 1px solid #c8d5e5;
    border-radius: 7px;
    background: #fff;
    color: #526176;
    font-size: 12px;
    font-weight: 700;
}

@keyframes shared-media-upload-slide {
    from { transform: translateX(-120%); }
    to { transform: translateX(300%); }
}

@media (max-width: 480px) {
    .shared-media-upload {
        padding: 8px 9px;
    }
}

/* 聊天室和交流区共用的媒体预览密度。方向类由 media-upload.js 统一生成。 */
:root {
    --shared-media-portrait-width: 150px;
    --shared-media-portrait-height: 225px;
    --shared-media-square-width: 165px;
    --shared-media-landscape-width: 210px;
    --shared-media-landscape-height: 150px;
}

.chat-media-card,
.jl-media-card {
    position: relative;
    min-width: 0 !important;
    width: var(--shared-media-square-width) !important;
    max-width: min(var(--shared-media-square-width), 56vw) !important;
    margin: 2px 0;
}

.chat-media-card.is-portrait,
.jl-media-card.is-portrait {
    width: var(--shared-media-portrait-width) !important;
    max-width: min(var(--shared-media-portrait-width), 44vw) !important;
}

.chat-media-card.is-square,
.jl-media-card.is-square {
    width: var(--shared-media-square-width) !important;
    max-width: min(var(--shared-media-square-width), 52vw) !important;
}

.chat-media-card.is-landscape,
.jl-media-card.is-landscape {
    width: var(--shared-media-landscape-width) !important;
    max-width: min(var(--shared-media-landscape-width), 60vw) !important;
}

.chat-media-card .chat-media-image,
.chat-media-card .chat-media-video,
.jl-media-card .jl-media-image,
.jl-media-card .jl-media-video {
    display: block;
    width: 100% !important;
    min-width: 0 !important;
    max-width: 100% !important;
    height: auto;
    object-fit: contain;
    background: #111;
}

.chat-media-card.is-portrait .chat-media-image,
.chat-media-card.is-portrait .chat-media-video,
.jl-media-card.is-portrait .jl-media-image,
.jl-media-card.is-portrait .jl-media-video {
    max-height: var(--shared-media-portrait-height) !important;
}

.chat-media-card.is-square .chat-media-image,
.chat-media-card.is-square .chat-media-video,
.jl-media-card.is-square .jl-media-image,
.jl-media-card.is-square .jl-media-video {
    max-height: var(--shared-media-square-width) !important;
}

.chat-media-card.is-landscape .chat-media-image,
.chat-media-card.is-landscape .chat-media-video,
.jl-media-card.is-landscape .jl-media-image,
.jl-media-card.is-landscape .jl-media-video {
    max-height: var(--shared-media-landscape-height) !important;
}

.message-bubble:has(.chat-media-card),
.jl-modal-message .message-bubble:has(.jl-media-card) {
    padding: 3px 4px;
}

.chat-media-card .message-file-caption {
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    overflow: hidden;
    padding: 16px 7px 5px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.72));
    font-size: 11px;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.chat-video-open-text {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border-radius: 999px;
}

@media (max-width: 480px) {
    :root {
        --shared-media-portrait-width: 138px;
        --shared-media-portrait-height: 210px;
        --shared-media-square-width: 150px;
        --shared-media-landscape-width: 195px;
        --shared-media-landscape-height: 140px;
    }
}