/* Tool Page Common Styles */
.tool-page {
    padding-top: 0;
}

.breadcrumb {
    padding: 20px 0;
    font-size: 14px;
    color: #666;
}

.breadcrumb a {
    color: #666;
    text-decoration: none;
    transition: all 0.3s;
}

.breadcrumb a:hover {
    color: #667eea;
}

.breadcrumb .separator {
    margin: 0 10px;
    color: #ddd;
}

.breadcrumb .current {
    color: #333;
    font-weight: 600;
}

.tool-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 60px 20px;
    text-align: center;
}

.tool-header-content {
    max-width: 800px;
    margin: 0 auto;
}

.tool-icon-large {
    font-size: 72px;
    margin-bottom: 20px;
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.tool-header h1 {
    font-size: 48px;
    font-weight: 900;
    margin-bottom: 15px;
    line-height: 1.2;
}

.tool-subtitle {
    font-size: 20px;
    opacity: 0.95;
    margin-bottom: 25px;
    line-height: 1.6;
}

.tool-meta {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
    font-size: 16px;
}

.meta-separator {
    opacity: 0.5;
}

.tool-content {
    padding: 60px 20px;
    background: #f8f9fa;
}

/* Virtual Xylophone Specific Styles */

/* Xylophone Container */
.xylophone-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0;
    background: #ffffff;
    border-radius: 25px;
    box-shadow: 0 15px 60px rgba(0,0,0,0.12);
    overflow: hidden;
}

.xylophone-header {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a6f 100%);
    padding: 45px 30px;
    text-align: center;
    color: white;
    position: relative;
    overflow: hidden;
}

.xylophone-header::before {
    content: '🎼';
    position: absolute;
    font-size: 180px;
    opacity: 0.1;
    top: -30px;
    right: -30px;
}

.xylophone-header h2 {
    font-size: 38px;
    margin-bottom: 10px;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

.xylophone-header p {
    font-size: 16px;
    opacity: 0.95;
    margin: 0;
}

.xylophone-body {
    padding: 40px 30px;
}

/* Xylophone Controls */
.xylophone-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 30px;
    padding: 25px;
    background: #f8f9fa;
    border-radius: 15px;
}

.control-group {
    display: flex;
    align-items: center;
    gap: 15px;
}

.control-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 14px;
    color: #333;
}

.control-icon {
    font-size: 20px;
}

#volumeControl {
    width: 150px;
    height: 6px;
    background: #e0e0e0;
    border-radius: 10px;
    outline: none;
    cursor: pointer;
}

#volumeControl::-webkit-slider-thumb {
    width: 20px;
    height: 20px;
    background: #667eea;
    border-radius: 50%;
    cursor: pointer;
}

#volumeValue {
    font-weight: 700;
    color: #667eea;
    min-width: 45px;
}

.control-buttons {
    display: flex;
    gap: 10px;
}

.control-btn {
    padding: 12px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 10px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.control-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.3);
}

.control-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Predefined Melodies Section */
.melodies-section {
    margin-bottom: 30px;
    padding: 30px;
    background: linear-gradient(135deg, #fff3e0 0%, #ffe0b2 100%);
    border-radius: 15px;
}

.melodies-section h3 {
    font-size: 24px;
    color: #e65100;
    margin-bottom: 20px;
    text-align: center;
    font-weight: 700;
}

.melodies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

.melody-btn {
    padding: 20px 15px;
    background: white;
    border: 2px solid #ff9800;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: #333;
}

.melody-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(255, 152, 0, 0.3);
    border-color: #f57c00;
}

.melody-icon {
    font-size: 32px;
}

.melody-name {
    font-weight: 600;
    font-size: 14px;
    text-align: center;
}

.melody-btn.playing {
    background: linear-gradient(135deg, #ff9800 0%, #f57c00 100%);
    color: white;
    animation: melodyPulse 0.5s infinite alternate;
}

@keyframes melodyPulse {
    from { transform: scale(1); }
    to { transform: scale(1.05); }
}

.melody-controls {
    display: flex;
    gap: 15px;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
}

.melody-status {
    font-size: 14px;
    color: #e65100;
    font-weight: 600;
    padding: 8px 15px;
    background: white;
    border-radius: 8px;
    min-height: 40px;
    min-width: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Audio Upload Section */
.audio-upload-section {
    margin-bottom: 30px;
    padding: 30px;
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
    border-radius: 15px;
}

.audio-upload-section h3 {
    font-size: 24px;
    color: #1565c0;
    margin-bottom: 20px;
    text-align: center;
    font-weight: 700;
}

.upload-container {
    max-width: 600px;
    margin: 0 auto;
}

.upload-area {
    background: white;
    border: 3px dashed #2196f3;
    border-radius: 15px;
    padding: 40px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
}

.upload-area:hover {
    border-color: #1565c0;
    background: #f5f5f5;
    transform: translateY(-2px);
}

.upload-area.dragover {
    border-color: #1565c0;
    background: #e3f2fd;
}

.upload-icon {
    font-size: 64px;
    margin-bottom: 15px;
}

.upload-text {
    font-size: 18px;
    font-weight: 700;
    color: #333;
    margin-bottom: 8px;
}

.upload-hint {
    font-size: 14px;
    color: #666;
    margin: 0;
}

#audioFileInput {
    display: none;
}

/* Audio Info Section */
.audio-info {
    background: white;
    border: 2px solid #2196f3;
    border-radius: 15px;
    padding: 25px;
    display: none;
}

.audio-details {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 2px solid #e3f2fd;
}

.audio-name {
    font-size: 16px;
    font-weight: 700;
    color: #1565c0;
    word-break: break-all;
    flex: 1;
    margin-right: 15px;
}

.remove-audio-btn {
    background: #f44336;
    color: white;
    border: none;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    font-size: 18px;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.remove-audio-btn:hover {
    background: #d32f2f;
    transform: rotate(90deg);
}

.audio-controls {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 15px;
}

.audio-status {
    text-align: center;
    color: #666;
    font-size: 14px;
    font-weight: 600;
    padding: 10px;
    background: #f5f5f5;
    border-radius: 8px;
}

/* Xylophone Instrument */
.xylophone-instrument {
    margin-bottom: 30px;
    padding: 40px 30px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 20px;
}

.xylophone-bars {
    display: flex;
    justify-content: center;
    align-items: flex-end;
    gap: 8px;
    perspective: 1000px;
}

/* Individual Xylophone Bar */
.xylophone-bar {
    position: relative;
    width: 80px;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    padding: 15px 10px;
    border: 3px solid rgba(255, 255, 255, 0.3);
}

/* Different heights for each bar */
.xylophone-bar:nth-child(1) { height: 200px; }
.xylophone-bar:nth-child(2) { height: 185px; }
.xylophone-bar:nth-child(3) { height: 170px; }
.xylophone-bar:nth-child(4) { height: 155px; }
.xylophone-bar:nth-child(5) { height: 140px; }
.xylophone-bar:nth-child(6) { height: 125px; }
.xylophone-bar:nth-child(7) { height: 110px; }
.xylophone-bar:nth-child(8) { height: 95px; }

.xylophone-bar:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.25);
}

.xylophone-bar:active,
.xylophone-bar.active {
    transform: scale(0.95);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

/* Hit Animation */
.xylophone-bar.hit {
    animation: barHit 0.3s ease;
}

@keyframes barHit {
    0% { transform: scale(1); }
    50% { transform: scale(1.1) translateY(-10px); box-shadow: 0 15px 40px rgba(255, 255, 255, 0.5); }
    100% { transform: scale(1); }
}

/* Bar Labels */
.note-label {
    color: white;
    font-weight: 900;
    font-size: 24px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    margin-top: auto;
}

.key-label {
    position: absolute;
    top: 10px;
    background: rgba(0, 0, 0, 0.6);
    color: white;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
    border: 2px solid rgba(255, 255, 255, 0.4);
}

.xylophone-bar.hide-notes .key-label {
    display: none;
}

/* Keyboard Shortcuts Info */
.keyboard-shortcuts {
    padding: 25px;
    background: #f8f9fa;
    border-radius: 15px;
    margin-bottom: 20px;
}

.keyboard-shortcuts h4 {
    color: #333;
    font-size: 20px;
    margin-bottom: 15px;
    text-align: center;
    font-weight: 700;
}

.shortcuts-grid {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.shortcut-item {
    color: #666;
    font-size: 14px;
    padding: 12px;
    background: white;
    border-radius: 8px;
    text-align: center;
}

.shortcut-item kbd {
    background: #667eea;
    color: white;
    padding: 4px 8px;
    border-radius: 5px;
    font-weight: 700;
    font-size: 13px;
    margin: 0 2px;
}

/* Xylophone Info Box */
.xylophone-info-box {
    padding: 30px;
    background: #f8f9fa;
    border-radius: 15px;
}

.xylophone-info-box h4 {
    color: #333;
    font-size: 20px;
    margin-bottom: 20px;
    text-align: center;
    font-weight: 700;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
}

.info-item {
    padding: 20px;
    background: white;
    border-radius: 10px;
    color: #666;
}

.info-item strong {
    display: block;
    color: #667eea;
    margin-bottom: 5px;
    font-size: 15px;
    font-weight: 700;
}

/* SEO Content Section */
.seo-content {
    padding: 80px 20px;
    background: white;
}

.content-article {
    max-width: 900px;
    margin: 0 auto;
    line-height: 1.8;
}

.content-article h2 {
    font-size: 32px;
    font-weight: 800;
    margin-top: 50px;
    margin-bottom: 20px;
    color: #333;
}

.content-article h2:first-child {
    margin-top: 0;
}

.content-article h3 {
    font-size: 24px;
    font-weight: 700;
    margin-top: 35px;
    margin-bottom: 15px;
    color: #333;
}

.content-article p {
    margin-bottom: 20px;
    color: #666;
    font-size: 16px;
}

.content-article ul,
.content-article ol {
    margin-bottom: 25px;
    padding-left: 30px;
    color: #666;
}

.content-article li {
    margin-bottom: 12px;
    line-height: 1.8;
}

.content-article strong {
    color: #333;
    font-weight: 700;
}

/* Related Tools */
.related-tools {
    max-width: 900px;
    margin: 60px auto 0;
    padding: 40px;
    background: #f8f9fa;
    border-radius: 15px;
}

.related-tools h3 {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 30px;
    text-align: center;
}

.related-tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 20px;
}

.related-tool-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 25px;
    background: white;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    transition: all 0.3s;
    text-align: center;
    text-decoration: none;
}

.related-tool-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    border-color: #667eea;
}

.related-tool-card .tool-icon {
    font-size: 42px;
}

.related-tool-card .tool-name {
    font-weight: 700;
    color: #333;
}

/* Responsive Design */
@media (max-width: 768px) {
    .tool-header h1 {
        font-size: 32px;
    }
    
    .tool-subtitle {
        font-size: 16px;
    }
    
    .tool-icon-large {
        font-size: 52px;
    }
    
    .tool-meta {
        font-size: 14px;
    }

    .content-article h2 {
        font-size: 26px;
    }
    
    .content-article h3 {
        font-size: 20px;
    }
    
    .related-tools-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }

    .xylophone-header h2 {
        font-size: 28px;
    }

    .xylophone-body {
        padding: 30px 20px;
    }

    .xylophone-controls {
        flex-direction: column;
        padding: 20px;
    }

    .control-group {
        width: 100%;
        justify-content: center;
    }

    .melodies-section,
    .audio-upload-section {
        padding: 25px 20px;
    }

    .melodies-grid {
        grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    }

    .upload-area {
        padding: 30px 20px;
    }

    .upload-icon {
        font-size: 48px;
    }

    .xylophone-instrument {
        padding: 30px 20px;
    }

    .xylophone-bars {
        gap: 5px;
    }

    .xylophone-bar {
        width: 60px;
    }

    .xylophone-bar:nth-child(1) { height: 160px; }
    .xylophone-bar:nth-child(2) { height: 148px; }
    .xylophone-bar:nth-child(3) { height: 136px; }
    .xylophone-bar:nth-child(4) { height: 124px; }
    .xylophone-bar:nth-child(5) { height: 112px; }
    .xylophone-bar:nth-child(6) { height: 100px; }
    .xylophone-bar:nth-child(7) { height: 88px; }
    .xylophone-bar:nth-child(8) { height: 76px; }

    .note-label {
        font-size: 20px;
    }
}

@media (max-width: 480px) {
    .xylophone-bars {
        gap: 3px;
    }

    .xylophone-bar {
        width: 45px;
        padding: 10px 5px;
    }

    .xylophone-bar:nth-child(1) { height: 140px; }
    .xylophone-bar:nth-child(2) { height: 130px; }
    .xylophone-bar:nth-child(3) { height: 120px; }
    .xylophone-bar:nth-child(4) { height: 110px; }
    .xylophone-bar:nth-child(5) { height: 100px; }
    .xylophone-bar:nth-child(6) { height: 90px; }
    .xylophone-bar:nth-child(7) { height: 80px; }
    .xylophone-bar:nth-child(8) { height: 70px; }

    .note-label {
        font-size: 16px;
    }

    .key-label {
        width: 24px;
        height: 24px;
        font-size: 12px;
    }

    .info-grid {
        grid-template-columns: 1fr;
    }

    .related-tools {
        padding: 25px 20px;
    }

    .related-tools h3 {
        font-size: 24px;
    }

    .related-tools-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
}