:root {
    --bg-color: #1a1a1a;
    --primary-surface: #2c2c2c;
    --secondary-surface: #3a3a3a;
    --primary-accent: #007bff;
    --primary-accent-hover: #0056b3;
    --text-color: #e0e0e0;
    --border-color: #444;
}

body, html {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    overflow-x: hidden;
}

.editor-container {
    padding: 20px;
}

.editor-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--primary-surface);
    padding: 10px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
}

.editor-header h1 {
    margin: 0;
    font-size: 1.5em;
}

.control-btn {
    background-color: var(--primary-accent);
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.2s;
    margin-left: 10px;
}

.control-btn:hover {
    background-color: var(--primary-accent-hover);
}

.mix-btn {
    background-color: #28a745;
}
.mix-btn:hover {
    background-color: #218838;
}

.tracks-container {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.track {
    background-color: var(--primary-surface);
    border-radius: 8px;
    padding: 15px;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.track-header {
    display: flex;
    gap: 15px;
    align-items: center;
}

.track-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.track-info .file-upload-label {
    background-color: var(--secondary-surface);
    padding: 8px 12px;
    border-radius: 5px;
    cursor: pointer;
    text-align: center;
    font-size: 0.85em;
    white-space: nowrap;
}

.track-info .file-upload-label:hover {
    background-color: var(--border-color);
}

.track-info input[type="file"] {
    display: none;
}

.track-name {
    font-size: 0.9em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 150px;
    color: var(--text-color);
}

.track-controls {
    display: flex;
    flex: 1;
    align-items: center;
    gap: 10px;
}

.track-waveform {
    width: 100%;
}

.time-display {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.85em;
    font-family: monospace;
    margin-bottom: 8px;
    color: #aaa;
}

.current-time {
    color: var(--primary-accent);
    font-weight: bold;
}

.time-separator {
    color: #666;
}

.trim-info {
    margin-left: 15px;
    color: #888;
}

.trim-start, .trim-end {
    color: #6c9;
}

.slider-group {
    display: flex;
    align-items: center;
    gap: 5px;
}
.slider-group label {
    font-size: 0.8em;
    width: 50px;
}
input[type="range"] {
    flex: 1;
}

.waveform-container {
    width: 100%;
    height: 128px;
    background-color: var(--bg-color);
    border-radius: 5px;
}

.visualizer-container {
    flex-basis: 100px;
    background-color: var(--bg-color);
    border-radius: 5px;
}
.visualizer-container canvas {
    width: 100%;
    height: 100%;
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: none; /* Initially hidden */
    justify-content: center;
    align-items: center;
    flex-direction: column;
    z-index: 1000;
}

.loading-overlay p {
    color: white;
    font-size: 1.2em;
    margin-top: 20px;
}

.spinner {
    border: 8px solid #f3f3f3;
    border-top: 8px solid var(--primary-accent);
    border-radius: 50%;
    width: 60px;
    height: 60px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* For wavesurfer region handles */
.wavesurfer-region {
    background-color: rgba(0, 123, 255, 0.2) !important;
}
.wavesurfer-handle {
    background-color: var(--primary-accent) !important;
}

/* Format selection dialog */
.format-dialog-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.format-dialog {
    background-color: var(--primary-surface);
    border-radius: 10px;
    padding: 25px;
    border: 1px solid var(--border-color);
    text-align: center;
    max-width: 350px;
}

.format-dialog h3 {
    margin: 0 0 10px 0;
    color: var(--text-color);
}

.format-dialog p {
    margin: 0 0 20px 0;
    color: #aaa;
    font-size: 0.9em;
}

.format-options {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

.format-btn {
    flex: 1;
    background-color: var(--secondary-surface);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 15px;
    cursor: pointer;
    transition: all 0.2s;
    color: var(--text-color);
}

.format-btn:hover {
    border-color: var(--primary-accent);
    background-color: rgba(0, 123, 255, 0.1);
}

.format-btn strong {
    display: block;
    font-size: 1.2em;
    margin-bottom: 5px;
}

.format-btn span {
    font-size: 0.75em;
    color: #888;
}

.format-cancel {
    background: none;
    border: none;
    color: #888;
    cursor: pointer;
    font-size: 0.9em;
    padding: 5px 15px;
}

.format-cancel:hover {
    color: var(--text-color);
}