styles.css

/* FullScreenModal */

.media-viewer-modal {
    padding: 0;
    background: rgba(0, 0, 0, 0.5);
    width: 100vw !important;
    height: 100vh !important;
    max-width: 100vw !important;
    max-height: 100vh !important;
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    margin: 0 !important;
    border-radius: 0 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    overflow: auto !important;
}

.gallery-content {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 15px;
    padding: 20px;
    justify-content: center;
    width: 100%;
    margin: auto;
    border-radius: 8px;
}

/* 自定義滾動條樣式 */
.gallery-content::-webkit-scrollbar {
    width: 8px;
}

.gallery-content::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

.gallery-content::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 4px;
}

.gallery-content::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.5);
}

.gallery-close-button {
    position: fixed;
    top: 15px;
    right: 15px;
    width: 40px;
    height: 40px;
    background: rgba(0, 0, 0, 0.5);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1001;
    transition: background-color 0.3s;
}

.gallery-close-button:hover {
    background: #edf5ff;
}

.media-thumbnail-container {
    aspect-ratio: 1;
    overflow: hidden;
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.2s;
    background: var(--background-primary);
    position: relative;
    margin: 0;
}

.media-thumbnail-container:hover {
    transform: scale(1.05);
}

.media-thumbnail-container img,
.media-thumbnail-container video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.media-thumbnail {
    position: relative;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.video-indicator {
    position: absolute;
    top: 8px;
    left: 8px;
    width: 32px;
    height: 32px;
    background: rgba(0, 0, 0, 0.6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    z-index: 1;
    backdrop-filter: blur(2px);
}

.video-indicator svg {
    width: 20px;
    height: 20px;
}

.delete-button {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 24px;
    height: 24px;
    background: rgba(255, 0, 0, 0.7);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    opacity: 0;
    transition: opacity 0.2s;
}

.media-thumbnail-container:hover .delete-button {
    opacity: 1;
}

.delete-button:hover {
    background: rgba(255, 0, 0, 0.9);
}

.full-media-view {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    overflow-x: hidden;
}

.media-nav-area {
    position: absolute;
    top: 20%;
    height: 70%;
    width: 10%;
    z-index: 1001;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.1;
    transition: opacity 0.3s;
}

.media-nav-area:hover {
    opacity: 0.3;
    background: rgba(255, 255, 255, 0.0);
}

.prev-area {
    left: 0;
}

.next-area {
    right: 0;
}

.full-image,
.full-video {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.media-close-button {
    position: fixed;
    top: 15px;
    right: 15px;
    width: 40px;
    height: 40px;
    background: rgba(0, 0, 0, 0.5);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1002;
    transition: background-color 0.3s;
}

.media-close-button:hover {
    background: #edf5ff;
}

.media-delete-button {
    position: fixed;
    top: 20px;
    left: 20px;
    padding: 4px 8px;
    background: rgba(255, 0, 0, 0.5);
    border: none;
    border-radius: 4px;
    color: white;
    font-size: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1002;
    transition: background-color 0.3s;
}

.media-delete-button:hover {
    background: rgba(255, 0, 0, 0.7);
}

/* Gallery Block */

.media-gallery-grid {
    position: relative;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 15px;
    padding: 15px;
    background: var(--background-secondary);
    border-radius: 8px;
    margin: 1em 0;
}

.media-gallery-grid .media-thumbnail-container {
    aspect-ratio: 1;
    overflow: hidden;
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.2s;
    background: var(--background-primary);
    position: relative;
    margin: 0;
}

.media-gallery-grid .media-thumbnail-container:hover {
    transform: scale(1.05);
}

.media-gallery-grid .media-thumbnail-container img,
.media-gallery-grid .media-thumbnail-container video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
        
.cm-editor .media-gallery-grid {
    pointer-events: all;
}

.container-link-area {
    position: absolute;
    background: rgba(0, 0, 0, 0.5);
    padding: 4px 8px;
    border-radius: 4px;
    z-index: 3;
    white-space: nowrap;
    max-width: calc(100% - 40px);  /* 預留左右邊距 */
}

.container-link-area.top-left {
    top: 20px;
    left: 20px;
}

.container-link-area.top-right {
    top: 20px;
    right: 20px;
}

.container-link-area.bottom-left {
    bottom: 20px;
    left: 20px;
}

.container-link-area.bottom-right {
    bottom: 20px;
    right: 20px;
}

.container-link-area a {
    color: white;
    text-decoration: none;
    font-size: 14px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: block;
}

.container-link-area a:hover {
    text-decoration: underline;
}

.media-link-area {
    position: absolute;
    bottom: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.7);
    padding: 4px 8px;
    border-top-left-radius: 4px;
    z-index: 2;
    max-width: 100%;
    box-sizing: border-box;
}

.media-link-area a {
    color: white;
    text-decoration: none;
    font-size: 12px;
    word-break: break-all;
    display: block;
}

.media-link-area a:hover {
    text-decoration: underline;
}

.video-indicator {
    position: absolute;
    top: 8px;
    left: 8px;
    width: 32px;
    height: 32px;
    background: rgba(0, 0, 0, 0.6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    z-index: 1;
    backdrop-filter: blur(2px);
}

.video-indicator svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

.note-thumbnail {
    background: var(--background-primary-alt);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 15px;
    height: 100%;
}

.note-preview {
    text-align: center;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.note-thumbnail-image {
    max-width: 100%;
    max-height: calc(100% - 50px); /* 預留標題空間 */
    object-fit: contain;
    border-radius: 8px;
}

.note-icon {
    margin: auto 0;
    transition: transform 0.2s;
    flex-grow: 1;
    display: flex;
    align-items: center;
}

.note-title {
    font-size: 14px;
    color: var(--text-normal);
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    width: 100%;
    margin-top: auto;
}

.note-icon {
    margin-bottom: 10px;
    transition: transform 0.2s;
}

.note-icon svg {
    width: 40px;
    height: 40px;
    color: var(--text-muted);
}

.note-icon.external-link svg {
    color: var(--text-accent);
}

.note-thumbnail:hover .note-title {
    color: var(--text-accent);
}

.note-thumbnail:hover {
    background: var(--background-modifier-hover);
}

/* 外部連結的特殊樣式 */
.note-thumbnail.external-link {
    background: var(--background-primary-alt);
}

.note-thumbnail.external-link:hover {
    background: var(--background-modifier-hover);
}

.add-media-button {
    border: 2px dashed var(--text-faint);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--background-primary-alt);
    transition: all 0.2s ease;
}

.add-media-button:hover {
    border-color: var(--text-accent);
    background: var(--background-modifier-hover);
}

.add-media-icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--text-muted);
}

.add-media-button:hover .add-media-icon {
    color: var(--text-accent);
}

.add-media-text {
    font-size: 14px;
    text-align: center;
}

.upload-modal {
    padding: 20px;
}

.upload-dropzone {
    border: 3px dashed var(--text-muted);
    border-radius: 10px;
    padding: 40px;
    text-align: center;
    background: var(--background-primary-alt);
    margin-bottom: 20px;
    transition: all 0.2s ease;
}

.upload-dropzone.drag-over {
    border-color: var(--text-accent);
    background: var(--background-modifier-hover);
}

.upload-instructions {
    color: var(--text-muted);
    margin-bottom: 10px;
}

.upload-icon svg {
    width: 48px;
    height: 48px;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.media-gallery-grid.drag-over {
    border: 2px dashed var(--interactive-accent);
    background-color: var(--background-modifier-hover);
}