/* ============================================
   HARMONICA - COMPLETE CSS
   10-Hole Blues Harmonica Virtual Instrument
   ============================================ */

/* 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, #1e88e5 0%, #1565c0 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;
}

/* Harmonica Container */
.harmonica-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;
}

.harmonica-header {
    background: linear-gradient(135deg, #1e88e5 0%, #1565c0 100%);
    padding: 45px 30px;
    text-align: center;
    color: white;
    position: relative;
    overflow: hidden;
}

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

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

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

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

/* Harmonica Controls */
.harmonica-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: #1e88e5;
    border-radius: 50%;
    cursor: pointer;
}

#volumeValue {
    font-weight: 700;
    color: #1e88e5;
    min-width: 45px;
}

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

.control-btn {
    padding: 12px 20px;
    background: linear-gradient(135deg, #1e88e5 0%, #1565c0 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(30, 136, 229, 0.3);
}

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

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

.patterns-section h3 {
    font-size: 24px;
    color: #0d47a1;
    margin-bottom: 20px;
    text-align: center;
    font-weight: 700;
}

.patterns-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

.pattern-btn {
    padding: 20px 15px;
    background: white;
    border: 2px solid #2196f3;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: #333;
}

.pattern-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(33, 150, 243, 0.3);
    border-color: #1976d2;
}

.pattern-btn.selected {
    background: linear-gradient(135deg, #2196f3 0%, #1976d2 100%);
    color: white;
    border-color: #1976d2;
}

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

.pattern-name {
    font-weight: 600;
    font-size: 14px;
    text-align: center;
    line-height: 1.4;
}

.pattern-name small {
    font-size: 11px;
    font-weight: 400;
    opacity: 0.8;
}

.pattern-btn.playing {
    animation: patternPulse 0.5s infinite alternate;
}

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

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

.pattern-status {
    font-size: 14px;
    color: #0d47a1;
    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;
}

/* Harmonica Instrument */
.harmonica-instrument {
    margin-bottom: 30px;
    padding: 40px 30px;
    background: linear-gradient(135deg, #37474f 0%, #263238 100%);
    border-radius: 20px;
    position: relative;
    overflow: hidden;
}

.harmonica-body-section {
    position: relative;
}

/* Mode Indicator */
.mode-indicator {
    text-align: center;
    margin-bottom: 30px;
}

.mode-label {
    display: inline-block;
    padding: 15px 30px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.mode-label span {
    font-size: 20px;
    font-weight: 700;
    color: white;
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

.mode-label small {
    display: block;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 5px;
}

/* Harmonica Holes */
.harmonica-holes {
    display: flex;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
    padding: 20px;
    background: linear-gradient(180deg, #c0c0c0 0%, #a8a8a8 50%, #c0c0c0 100%);
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5),
                inset 0 2px 5px rgba(255,255,255,0.3),
                inset 0 -2px 5px rgba(0,0,0,0.3);
}

.hole-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.hole-number {
    font-size: 14px;
    font-weight: 700;
    color: white;
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

.hole {
    width: 75px;
    height: 150px;
    background: linear-gradient(180deg, #2c2c2c 0%, #1a1a1a 50%, #2c2c2c 100%);
    border: 3px solid #404040;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
    overflow: hidden;
    box-shadow: inset 0 4px 10px rgba(0,0,0,0.8),
                0 4px 10px rgba(0,0,0,0.3);
}

.hole:hover {
    transform: scale(1.05);
    box-shadow: inset 0 4px 10px rgba(0,0,0,0.8),
                0 6px 15px rgba(33, 150, 243, 0.4);
    border-color: #2196f3;
}

.hole.active {
    background: linear-gradient(180deg, #1e88e5 0%, #1565c0 50%, #1e88e5 100%);
    box-shadow: inset 0 4px 10px rgba(0,0,0,0.5),
                0 0 20px rgba(33, 150, 243, 0.8);
    transform: scale(0.98);
}

.hole-inner {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    align-items: center;
    padding: 10px 5px;
}

.note-label {
    font-size: 18px;
    font-weight: 900;
    color: #fff;
    text-shadow: 0 2px 4px rgba(0,0,0,0.8);
    background: rgba(0,0,0,0.4);
    padding: 8px 12px;
    border-radius: 8px;
    min-width: 40px;
    text-align: center;
}

.blow-note {
    border: 2px solid rgba(255, 193, 7, 0.5);
}

.draw-note {
    border: 2px solid rgba(33, 150, 243, 0.5);
}

.key-hint {
    font-size: 12px;
    font-weight: 700;
    color: white;
    background: rgba(0,0,0,0.5);
    padding: 4px 8px;
    border-radius: 5px;
    min-width: 30px;
    text-align: center;
}

/* 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: #1e88e5;
    color: white;
    padding: 4px 8px;
    border-radius: 5px;
    font-weight: 700;
    font-size: 13px;
    margin: 0 2px;
}

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

.harmonica-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: #1e88e5;
    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 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: #1e88e5;
}

.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));
    }

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

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

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

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

    .patterns-section {
        padding: 25px 20px;
    }

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

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

    .harmonica-holes {
        gap: 6px;
        padding: 15px;
    }

    .hole {
        width: 60px;
        height: 130px;
    }

    .note-label {
        font-size: 16px;
        padding: 6px 10px;
    }

    .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;
    }
}

@media (max-width: 480px) {
    .harmonica-holes {
        gap: 4px;
        padding: 10px;
    }

    .hole {
        width: 50px;
        height: 110px;
    }

    .note-label {
        font-size: 14px;
        padding: 5px 8px;
    }

    .hole-number {
        font-size: 12px;
    }

    .key-hint {
        font-size: 10px;
        padding: 3px 6px;
    }

    .mode-label span {
        font-size: 16px;
    }
}