@charset "UTF-8";

/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    background: var(--bg-color);
    color: var(--font-color);
    min-height: 100vh;
}

/* Header styles matching theme */
header {
    background: var(--content-bg-color);
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-title {
    font-size: 2rem;
    font-weight: bold;
    color: var(--tool-accent);
    text-decoration: none;
}

nav a {
    margin-left: 2rem;
    text-decoration: none;
    color: var(--font-color);
    font-weight: 500;
    transition: color 0.3s ease;
}

nav a:hover {
    color: var(--tool-accent);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    background: var(--content-bg-color);
    border-radius: 15px;
    margin-top: 20px;
    margin-bottom: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

h2 {
    color: var(--tool-accent-hover);
    margin-bottom: 15px;
    font-size: 1.5em;
}

/* Upload Section */
.upload-section {
    background: var(--alt-content-bg-color);
    padding: 12px;
    border-radius: 10px;
    margin-bottom: 18px;
    border: 3px dashed var(--tool-accent);
    text-align: center;
    transition: all 0.3s ease;
}

.upload-section.dragover {
    background: #e3f2fd;
    border-color: var(--tool-accent-hover);
}

.drop-zone {
    padding: 6px 20px;
    cursor: pointer;
}

.drop-text {
    font-size: 1em;
    color: var(--font-color);
    margin-bottom: 6px;
}

.or-text {
    color: #999;
    margin: 6px 0;
}

#audioUpload {
    display: none;
}

.upload-btn {
    background: var(--tool-accent);
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    transition: background 0.3s ease;
}

.upload-btn:hover {
    background: #5a6fd8;
}

.uploaded-files {
    margin-top: 12px;
    text-align: left;
}

.audio-file-item {
    background: var(--content-bg-color);
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    border-left: 4px solid var(--tool-accent);
}

.file-info {
    display: flex;
    flex-direction: column;
}

.file-name {
    font-weight: bold;
    color: var(--font-color);
    margin-bottom: 5px;
}

.file-size {
    font-size: 12px;
    color: var(--font-color);
    display: none;
}

.file-controls {
    display: flex;
    gap: 10px;
}

.file-controls button {
    padding: 5px 10px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    transition: all 0.3s ease;
}

.play-btn {
    background: #28a745;
    color: white;
}

.play-btn:hover {
    background: #1e7e34;
}

.stop-btn {
    background: #dc3545;
    color: white;
}

.stop-btn:hover {
    background: #c82333;
}

.delete-btn {
    background: #6c757d;
    color: white;
}

.delete-btn:hover {
    background: #545b62;
}

/* Buttons */
.btn-primary, .btn-secondary, .btn-play, .btn-stop {
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary {
    background: var(--tool-accent);
    color: white;
}

.btn-primary:hover {
    background: #5a6fd8;
    transform: translateY(-2px);
}

.btn-secondary {
    background: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background: #545b62;
    transform: translateY(-2px);
}

.btn-play {
    background: #28a745;
    color: white;
}

.btn-play:hover {
    background: #1e7e34;
}

.btn-stop {
    background: #dc3545;
    color: white;
}

.btn-stop:hover {
    background: #c82333;
}

/* Beat Grid */
.beat-grid-container {
    background: var(--content-bg-color);
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 25px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.beat-controls {
    display: flex;
    gap: 20px;
    align-items: center;
    margin-bottom: 20px;
    padding: 15px;
    background: var(--alt-content-bg-color);
    border-radius: 8px;
    flex-wrap: wrap;
}

.pattern-settings {
    display: flex;
    gap: 15px;
    align-items: center;
}

.setting-group {
    display: flex;
    align-items: center;
    gap: 5px;
}

.setting-group label {
    font-size: 14px;
    font-weight: 600;
    color: var(--font-color);
}

.setting-group select {
    padding: 5px 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--bg-color);
    color: var(--font-color);
    font-size: 14px;
    cursor: pointer;
}

.playback-controls {
    display: flex;
    gap: 15px;
    align-items: center;
    margin-left: auto;
}

.tempo-control {
    display: flex;
    align-items: center;
    gap: 10px;
}

#tempoSlider {
    width: 120px;
}

.grid-container {
    border: 1px solid #dee2e6;
    border-radius: 5px;
}

.layer-row {
    display: flex;
    align-items: flex-start;
    border-bottom: 1px solid #dee2e6;
    background: var(--content-bg-color);
    min-height: 140px;
    padding: 15px 0;
}

.layer-row:nth-child(even) {
    background: var(--alt-content-bg-color);
}

.layer-info {
    padding: 15px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    background: var(--alt-content-bg-color);
    border-right: 1px solid #dee2e6;
    min-width: 300px;
    flex-shrink: 0;
    height: 100%;
}

.audio-select {
    padding: 5px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--bg-color);
    color: var(--font-color);
    font-size: 12px;
}

.layer-volume-controls {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 5px;
}

.mute-btn {
    background: #28a745;
    border: none;
    border-radius: 4px;
    padding: 4px 8px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s ease;
    min-width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mute-btn:hover {
    background: #1e7e34;
}

.mute-btn.muted {
    background: #dc3545;
}

.mute-btn.muted:hover {
    background: #c82333;
}

.volume-slider {
    flex: 1;
    min-width: 80px;
    height: 6px;
    background: #ddd;
    outline: none;
    border-radius: 3px;
    appearance: none;
    -webkit-appearance: none;
}

.volume-slider::-webkit-slider-track {
    background: #ddd;
    border-radius: 3px;
    height: 6px;
}

.volume-slider::-webkit-slider-thumb {
    appearance: none;
    -webkit-appearance: none;
    height: 16px;
    width: 16px;
    background: var(--tool-accent);
    cursor: pointer;
    border-radius: 50%;
    border: none;
}

.volume-slider::-moz-range-track {
    background: #ddd;
    border-radius: 3px;
    height: 6px;
    border: none;
}

.volume-slider::-moz-range-thumb {
    height: 16px;
    width: 16px;
    background: var(--tool-accent);
    cursor: pointer;
    border-radius: 50%;
    border: none;
    box-shadow: none;
}

.volume-value {
    font-size: 11px;
    color: var(--font-color);
    min-width: 35px;
    text-align: center;
    font-weight: 600;
}

.layer-actions {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: auto;
}

.layer-export-btn {
    background: var(--tool-success, #28a745);
    color: white;
    border: none;
    border-radius: 4px;
    padding: 5px 8px;
    cursor: pointer;
    font-size: 11px;
    font-weight: 600;
    transition: background 0.3s ease;
}

.layer-export-btn:hover {
    background: #1e7e34;
}

.layer-delete-btn {
    background: #dc3545;
    color: white;
    border: none;
    border-radius: 4px;
    padding: 5px 8px;
    cursor: pointer;
    font-size: 12px;
    transition: background 0.3s ease;
    flex: 1;
}

.layer-delete-btn:hover {
    background: #c82333;
}

.beats-wrapper {
    flex: 1;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 15px;
}

.beats {
    display: grid;
    gap: 4px;
    width: fit-content;
    min-width: 100%;
}

.beat-cell {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    min-height: 130px;
    justify-content: flex-start;
}

.beat-cell.group-start {
    position: relative;
}

.beat-cell.group-start::before {
    content: '';
    position: absolute;
    left: -4px;
    top: 0;
    width: 2px;
    height: 100%;
    background: var(--tool-accent);
    border-radius: 1px;
}

.beat {
    width: 26px;
    height: 26px;
    border: 2px solid #dee2e6;
    border-radius: 4px;
    cursor: pointer;
    user-select: none;
    -webkit-user-select: none;
    transition: all 0.2s ease;
    background: var(--content-bg-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: bold;
    color: var(--font-color);
    flex-shrink: 0;
}

.beat:hover {
    border-color: var(--tool-accent);
    transform: scale(1.1);
}

.beat.active {
    background: var(--tool-accent);
    border-color: #5a6fd8;
    color: white;
}

.beat.active.muted {
    background: #6c757d;
    border-color: #545b62;
    opacity: 0.6;
}

.beat.muted {
    opacity: 0.5;
    filter: grayscale(50%);
}

.beat.playing {
    background: #ffc107;
    border-color: #e0a800;
    animation: pulse 0.2s ease;
    color: var(--font-color);
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

.tone-controls {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    opacity: 0.7;
    transition: opacity 0.3s ease;
    min-height: 92px;
    justify-content: flex-start;
    gap: 0;
}

.beat-cell:hover .tone-controls {
    opacity: 1;
}

.beat.active ~ .tone-controls {
    opacity: 1;
}

.tone-slider {
    width: 60px;
    height: 10px;
    margin: 30px 0;
    background: #ddd;
    outline: none;
    cursor: pointer;
    border-radius: 2px;
    appearance: none;
    -webkit-appearance: none;
    transform: rotate(-90deg);
    flex-shrink: 0;
}

.tone-slider::-webkit-slider-track {
    background: #ddd;
    border-radius: 2px;
    height: 15px;
    width: 50px;
}

.tone-slider::-webkit-slider-thumb {
    appearance: none;
    -webkit-appearance: none;
    height: 15px;
    width: 8px;
    background: var(--tool-accent);
    cursor: pointer;
    border-radius: 2px;
    border: none;
}

.tone-slider::-moz-range-track {
    background: #ddd;
    border-radius: 2px;
    height: 15px;
    border: none;
}

.tone-slider::-moz-range-thumb {
    height: 15px;
    width: 8px;
    background: var(--tool-accent);
    cursor: pointer;
    border-radius: 2px;
    border: none;
    box-shadow: none;
}

.tone-value {
    font-size: 8px;
    color: var(--font-color);
    max-width: 30px;
    text-align: center;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 2px;
    padding: 1px 2px;
    margin-top: 6px;
    flex-shrink: 0;
}

/* Pattern Controls */
.pattern-controls {
    display: flex;
    gap: 20px;
    justify-content: center;
    align-items: center;
    padding: 20px;
    background: var(--alt-content-bg-color);
    border-radius: 8px;
    flex-wrap: wrap;
}

.project-controls {
    display: flex;
    gap: 10px;
}

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

.export-bars-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--font-color);
}

.export-bars-select {
    padding: 5px 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--bg-color);
    color: var(--font-color);
    font-size: 14px;
    cursor: pointer;
}

.btn-export {
    background: #28a745;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-export:hover {
    background: #1e7e34;
    transform: translateY(-2px);
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        margin: 10px;
        padding: 15px;
    }
    
    .beat-controls {
        flex-direction: column;
        align-items: stretch;
        gap: 15px;
    }
    
    .pattern-settings {
        justify-content: center;
    }
    
    .playback-controls {
        margin-left: 0;
        justify-content: center;
    }
    
    .pattern-controls {
        flex-direction: column;
        gap: 15px;
    }
    
    .project-controls,
    .export-controls {
        justify-content: center;
    }
    
    .layer-info {
        min-width: 250px;
    }
    
    .layer-volume-controls {
        flex-direction: column;
        align-items: stretch;
        gap: 5px;
    }
    
    .volume-slider {
        min-width: 100px;
    }
    
    .audio-select {
        font-size: 11px;
    }
    
    .beat {
        width: 24px;
        height: 24px;
    }
    
    .beat-cell {
        min-height: 100px;
        gap: 10px;
    }
    
    .tone-slider {
        width: 30px;
        height: 12px;
    }
    
    .tone-controls {
        min-height: 55px;
        gap: 6px;
    }
}