body {
    background-color: #f8f9fa;
    font-family: "Noto Sans JP", sans-serif;
}

/* Canvas Preview */
#canvas-container {
    width: 100%;
    position: relative;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    background: #1a1a1a;
    line-height: 0; /* Remove bottom gap */
}

canvas {
    width: 100% !important;
    height: auto !important;
    max-width: 100%;
}

/* Drag and Drop Zones */
.drop-zone {
    border: 2px dashed #ccc;
    border-radius: 5px;
    width: 100%;
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: border 0.3s;
    background-color: #fff;
    position: relative;
}

.drop-zone:hover, .drop-zone.dragover {
    border-color: #0d6efd;
    background-color: #e9ecef;
}

.drop-zone input[type="file"] {
    display: none;
}

.drop-zone-preview {
    max-width: 100%;
    max-height: 150px;
    margin-top: 10px;
    display: none;
}

/* Song List */
.song-item {
    background: white;
    border: 1px solid #dee2e6;
    padding: 10px;
    margin-bottom: 10px;
    border-radius: 5px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    position: relative;
}

.song-handle {
    cursor: grab;
    color: #aaa;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 5px;
}
.song-handle:active {
    cursor: grabbing;
}

.remove-song {
    color: #dc3545;
    cursor: pointer;
}