/* Enhance the app container layout for better positioning of tabs */
.app-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-areas:
        "control control"
        "audio uploader";
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    position: relative;
    z-index: 10;
}

.control-panel {
    grid-area: control;
}

.audio-visualizer {
    grid-area: audio;
}

.uploader-tabs-container {
    grid-area: uploader;
}

/* Make canvas full screen and position behind UI elements */
#animationCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0 !important; /* Behind UI elements but in front of body background */
    pointer-events: none !important; /* Prevents the canvas from capturing clicks */
}

/* Enhanced responsive layout adjustments */
@media (max-width: 1024px) {
    .app-container {
        grid-template-columns: 1fr;
        grid-template-areas:
            "control"
            "uploader"
            "audio";
        gap: 16px;
        padding: 16px;
    }
}

@media (max-width: 768px) {
    .app-container {
        display: flex !important;
        flex-direction: column !important;
        grid-template-columns: none !important;
        grid-template-areas: none !important;
        gap: 12px;
        padding: 12px;
        height: calc(100vh - 24px);
        overflow-y: auto;
        overflow-x: hidden;
    }
    
    .control-panel {
        flex: 0 0 auto;
        grid-area: none;
    }
    
    .uploader-tabs-container {
        flex: 1 1 auto;
        grid-area: none;
        min-height: 0;
        overflow: hidden;
    }
    
    .audio-visualizer {
        flex: 0 0 auto;
        grid-area: none;
        min-height: 120px;
        max-height: 150px;
    }
}

@media (max-width: 480px) {
    .app-container {
        gap: 10px;
        padding: 8px;
        height: calc(100vh - 16px);
    }
    
    .audio-visualizer {
        min-height: 100px;
        max-height: 120px;
    }
}

/* Ensure text in tabs is readable */
.uploader-tab-button {
    font-weight: 600;
    position: relative; /* ADDED */
    z-index: 5; /* ADDED */
    pointer-events: auto; /* ADDED to re-enable clicks */
}

/* Add max-height to uploaders to prevent extremely tall content */
.uploader-tab-pane {
    max-height: 75vh;
    overflow-y: auto;
    position: relative; /* ADDED */
    z-index: 5; /* ADDED */
}

/* Mobile-specific tab pane height adjustments */
@media (max-width: 768px) {
    .uploader-tab-pane {
        height: 100% !important;
        max-height: none !important;
        overflow-y: auto;
        overflow-x: hidden;
    }
}

@media (max-width: 480px) {
    .uploader-tab-pane {
        height: 100% !important;
        max-height: none !important;
    }
}

/* Make sure the upload containers fit within tabs */
.background-upload-container,
.image-upload-container {
    padding: 15px;
    position: relative; /* ADDED */
    z-index: 5; /* ADDED */
}

/* Mobile adjustments for upload containers */
@media (max-width: 768px) {
    .background-upload-container,
    .image-upload-container {
        padding: 12px;
        height: 100%;
        display: flex;
        flex-direction: column;
        overflow: hidden;
    }
}

@media (max-width: 480px) {
    .background-upload-container,
    .image-upload-container {
        padding: 10px;
    }
}

/* Enhance tab active state for better visibility */
.uploader-tab-button.active {
    background-color: rgba(255, 255, 255, 0.08);
    color: white;
}

/* ADDED - Make buttons clickable */
.button, button {
    position: relative;
    z-index: 10;
    cursor: pointer !important;
}

/* ADDED - Specifically target the file select buttons */
#selectFiles,
#selectBgFiles {
    z-index: 20 !important;
    position: relative !important;
    pointer-events: auto !important;
}

/* Mobile-specific button improvements */
@media (max-width: 768px) {
    .button, button {
        min-height: 44px; /* Touch-friendly minimum */
        border-radius: 8px;
    }
    
    #selectFiles,
    #selectBgFiles {
        padding: 12px 20px;
        font-size: 14px;
    }
}

/* Improve spacing for very small screens */
@media (max-width: 360px) {
    .app-container {
        padding: 5px;
        gap: 8px;
        height: calc(100vh - 10px);
    }
    
    .background-upload-container,
    .image-upload-container {
        padding: 8px;
    }
    
    .audio-visualizer {
        min-height: 80px;
        max-height: 100px;
    }
}