/* Bookmark button styles */
.bookmark-btn {
    border: none;
    background: transparent;
    padding: 0.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.bookmark-btn:hover {
    transform: scale(1.15);
}

.bookmark-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.bookmark-btn i {
    font-size: 1.5em;
    transition: all 0.3s ease;
}

.bookmark-btn[data-bookmarked="false"] i {
    color: #6c757d;
}

.bookmark-btn[data-bookmarked="true"] i {
    color: #ffc107;
}

.bookmark-icon-btn {
    background: transparent;
    border-radius: 50%;
}

.bookmark-icon-btn:hover {
    background: rgba(255, 193, 7, 0.1);
}

/* Collection color square */
.collection-color {
    width: 20px;
    height: 20px;
    border-radius: 4px;
    display: inline-block;
    flex-shrink: 0;
    vertical-align: middle;
}

/* Color picker buttons */
.color-option {
    width: 40px;
    height: 40px;
    border: 2px solid transparent;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    padding: 0;
}

.color-option:hover {
    transform: scale(1.1);
    border-color: #000;
}

.color-option.active {
    border-color: #000;
    box-shadow: 0 0 0 2px #fff, 0 0 0 4px #000;
}