:root {
    --deep-ocean: #0A1929;
    --ocean-dark: #071423;
    --ocean-blue: #1E3A5F;
    --navy-blue: #0D2847;
    --crisp-blue: #2D5AA0;
    --highlight-blue: #3A7BC8;
    --electric-blue: #00BFFF;
    --seafoam: #2EC4B6;
    --crisp-white: #FFFFFF;
    --off-white: #F0F8FF;
    --light-gray: #E6F0FF;
    --medium-gray: #8FA3BF;
    --dark-gray: #4A5F7A;
    --shadow-blue: rgba(10, 25, 41, 0.8);
    --glow-blue: rgba(45, 90, 160, 0.4);
    
    --transition-crisp: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --shadow-crisp: 0 2px 8px rgba(0, 0, 0, 0.4);
    --shadow-deep: 0 4px 20px rgba(0, 0, 0, 0.6);
    --shadow-float: 0 8px 32px rgba(0, 0, 0, 0.8);
    --border-crisp: 2px solid var(--crisp-blue);
    --border-light: 1px solid rgba(45, 90, 160, 0.3);
    
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background:
        linear-gradient(135deg, var(--deep-ocean) 0%, var(--ocean-dark) 100%),
        url('/theory/scales/backg.png');
    background-repeat: repeat;
    background-size: 500px;
    background-blend-mode: overlay;
    color: var(--crisp-white);
    line-height: 1.6;
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 2px,
            rgba(10, 25, 41, 0.1) 2px,
            rgba(10, 25, 41, 0.1) 4px
        ),
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 2px,
            rgba(10, 25, 41, 0.1) 2px,
            rgba(10, 25, 41, 0.1) 4px
        );
    pointer-events: none;
    z-index: 1;
}

.scales-main {
    padding-top: 80px;
    position: relative;
    z-index: 2;
    min-height: 100vh;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Hero Section */
.theory-hero {
    position: relative;
    min-height: 150px !important;
    padding: 2rem 0;
    text-align: center;
    overflow: hidden;
    border-bottom: var(--border-crisp);
    box-shadow: var(--shadow-deep);
    margin-bottom: 3rem;
}

.hero-video-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    overflow: hidden;
}

.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    object-fit: cover;
    min-width: 100%;
    min-height: 100%;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg, 
        rgba(10, 25, 41, 0.85) 0%, 
        rgba(29, 58, 95, 0.7) 50%, 
        rgba(10, 25, 41, 0.85) 100%
    );
    z-index: 2;
}

.theory-hero .container {
    position: relative;
    z-index: 3;
}

.theory-hero h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 900;
    color: var(--crisp-white);
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.6);
    letter-spacing: -0.5px;
}

.theory-hero p {
    font-size: 1.2rem;
    color: var(--off-white);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
    font-weight: 400;
    opacity: 0.95;
}

/* Scale Display */
.scale-display {
    padding: 2rem 0;
}

.scale-display-wrapper {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 2rem;
}

/* Scale Visual Section */
.scale-visual-section {
    background: linear-gradient(145deg, var(--navy-blue), var(--ocean-blue));
    border: var(--border-light);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-deep);
    position: relative;
    overflow: hidden;
}

.scale-visual-section::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: linear-gradient(45deg, transparent, rgba(46, 196, 182, 0.1), transparent);
    transform: translate(50%, -50%);
}

.scale-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: var(--border-light);
}

.scale-header h2 {
    font-size: 2rem;
    color: var(--crisp-white);
    margin-bottom: 0.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.scale-meta {
    display: flex;
    gap: 1.5rem;
}

.scale-meta span {
    font-size: 0.9rem;
    color: var(--medium-gray);
    font-weight: 600;
}

.scale-meta span strong {
    color: var(--seafoam);
}

.scale-controls {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.btn {
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    border: none;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition-spring);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    box-shadow: var(--shadow-deep);
}

.btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::after {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(145deg, var(--crisp-blue), var(--highlight-blue));
    color: var(--crisp-white);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.btn-primary:hover:not(:disabled) {
    background: linear-gradient(145deg, var(--highlight-blue), var(--electric-blue));
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow-float);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-secondary {
    background: linear-gradient(145deg, var(--navy-blue), var(--ocean-blue));
    color: var(--crisp-white);
    border: 2px solid rgba(45, 90, 160, 0.5);
}

.btn-secondary:hover:not(:disabled) {
    background: linear-gradient(145deg, var(--ocean-blue), var(--crisp-blue));
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow-float);
    border-color: var(--crisp-blue);
}

.select-style {
    padding: 0.75rem 1.5rem;
    background: linear-gradient(145deg, rgba(45, 90, 160, 0.2), rgba(30, 58, 95, 0.3));
    border: 1px solid rgba(45, 90, 160, 0.4);
    border-radius: var(--radius-md);
    color: var(--crisp-white);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    min-width: 120px;
    transition: var(--transition-crisp);
}

.select-style:focus {
    outline: none;
    border: var(--border-crisp);
    box-shadow: 0 0 0 3px rgba(45, 90, 160, 0.3);
}

/* Scale Content */
.scale-content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* Fretboard Container */
.fretboard-container {
    background: var(--off-white);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    box-shadow: var(--shadow-float);
    border: var(--border-crisp);
}

.fretboard-header {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(45, 90, 160, 0.2);
}

.fretboard-header h3 {
    color: var(--deep-ocean);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.fretboard-info {
    color: var(--dark-gray);
    font-size: 0.9rem;
    font-weight: 500;
}

#fretboard-diagram {
    min-height: 250px;
    width: 100%;
    background: #ffffff;
    border-radius: var(--radius-sm);
    position: relative;
    overflow: hidden;
}

.fretboard-legend {
    display: flex;
    gap: 1.5rem;
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(45, 90, 160, 0.2);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--deep-ocean);
    font-size: 0.9rem;
    font-weight: 600;
}

.legend-dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 2px solid white;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.legend-dot.root {
    background: var(--electric-blue);
}

.legend-dot.scale {
    background: var(--seafoam);
}

.legend-dot.chord {
    background: #FF6B6B;
}

/* Scale Info Grid */
.scale-info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.info-card {
    background: linear-gradient(145deg, rgba(10, 25, 41, 0.8), rgba(30, 58, 95, 0.6));
    border: var(--border-light);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    transition: var(--transition-crisp);
}

.info-card:hover {
    border-color: var(--crisp-blue);
    box-shadow: 0 8px 25px rgba(45, 90, 160, 0.4);
}

.info-card h3 {
    color: var(--crisp-white);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.info-card h3 i {
    color: var(--seafoam);
}

/* Notes Container */
.notes-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.note-badge {
    padding: 0.75rem 1.25rem;
    background: linear-gradient(145deg, var(--ocean-blue), var(--crisp-blue));
    border: var(--border-light);
    border-radius: var(--radius-md);
    color: var(--crisp-white);
    font-weight: 700;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition-spring);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-crisp);
}

.note-badge::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.1), transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.note-badge:hover::before {
    transform: translateX(100%);
}

.note-badge:hover {
    background: linear-gradient(145deg, var(--crisp-blue), var(--highlight-blue));
    border-color: var(--electric-blue);
    transform: translateY(-3px) scale(1.05);
    box-shadow: 
        0 8px 25px rgba(45, 90, 160, 0.6),
        0 0 0 1px rgba(0, 191, 255, 0.3);
}

.note-badge.root-note {
    background: linear-gradient(145deg, var(--seafoam), var(--electric-blue));
    border-color: var(--electric-blue);
    color: var(--deep-ocean);
    font-weight: 800;
}

.note-badge.note-playing {
    background: linear-gradient(145deg, var(--seafoam), #00BFFF);
    border-color: var(--electric-blue);
    color: var(--deep-ocean);
    box-shadow: 
        0 0 25px rgba(46, 196, 182, 0.8),
        0 8px 25px rgba(45, 90, 160, 0.6);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 
            0 0 25px rgba(46, 196, 182, 0.8),
            0 8px 25px rgba(45, 90, 160, 0.6);
    }
    50% {
        box-shadow: 
            0 0 35px rgba(46, 196, 182, 1),
            0 8px 30px rgba(45, 90, 160, 0.8);
    }
}

.audio-controls {
    display: flex;
    gap: 0.75rem;
    margin-top: 1rem;
}

.audio-controls .btn {
    flex: 1;
    padding: 0.75rem;
    font-size: 0.85rem;
}

/* Intervals Container */
.intervals-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.interval-badge {
    padding: 0.6rem 1rem;
    background: linear-gradient(145deg, var(--navy-blue), rgba(45, 90, 160, 0.8));
    border: 1px solid rgba(45, 90, 160, 0.5);
    border-radius: var(--radius-md);
    color: var(--light-gray);
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition-crisp);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

.interval-badge:hover {
    background: linear-gradient(145deg, rgba(45, 90, 160, 0.9), rgba(58, 123, 200, 0.8));
    border-color: var(--crisp-blue);
    color: var(--crisp-white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(45, 90, 160, 0.4);
}

.interval-badge.interval-playing {
    background: linear-gradient(145deg, var(--electric-blue), var(--seafoam));
    border-color: var(--electric-blue);
    color: var(--deep-ocean);
    font-weight: 700;
    box-shadow: 0 0 20px rgba(0, 191, 255, 0.6);
}

.formula-display {
    background: rgba(10, 25, 41, 0.5);
    padding: 1rem;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(45, 90, 160, 0.3);
    color: var(--light-gray);
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.4;
}

.formula-display strong {
    color: var(--seafoam);
}

/* Positions Container */
.positions-container {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.position-item {
    padding: 0.75rem 1rem;
    background: rgba(10, 25, 41, 0.5);
    border: 1px solid rgba(45, 90, 160, 0.3);
    border-radius: var(--radius-sm);
    color: var(--light-gray);
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition-crisp);
}

.position-item:hover {
    background: rgba(45, 90, 160, 0.2);
    border-color: rgba(45, 90, 160, 0.5);
    color: var(--crisp-white);
}

.position-item.active {
    background: rgba(45, 90, 160, 0.3);
    border-color: var(--crisp-blue);
    color: var(--crisp-white);
}

/* Scale Library Section */
.scale-library-section {
    background: linear-gradient(145deg, var(--navy-blue), var(--ocean-blue));
    border: var(--border-light);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    height: fit-content;
    position: sticky;
    top: 100px;
}

.library-header {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: var(--border-light);
}

.library-header h3 {
    color: var(--crisp-white);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.library-search {
    position: relative;
}

.library-search input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.5rem;
    background: rgba(10, 25, 41, 0.8);
    border: var(--border-light);
    border-radius: var(--radius-md);
    color: var(--crisp-white);
    font-size: 0.9rem;
    transition: var(--transition-crisp);
}

.library-search input:focus {
    outline: none;
    border: var(--border-crisp);
    background: rgba(14, 32, 52, 0.9);
}

.library-search i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--medium-gray);
}

/* Scale Categories */
.scale-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.category-btn {
    padding: 0.5rem 1rem;
    background: linear-gradient(145deg, rgba(45, 90, 160, 0.2), rgba(30, 58, 95, 0.3));
    border: 1px solid rgba(45, 90, 160, 0.4);
    border-radius: var(--radius-md);
    color: var(--light-gray);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-crisp);
}

.category-btn:hover {
    background: linear-gradient(145deg, rgba(45, 90, 160, 0.4), rgba(58, 123, 200, 0.3));
    border-color: var(--crisp-blue);
    color: var(--crisp-white);
}

.category-btn.active {
    background: linear-gradient(145deg, var(--crisp-blue), var(--highlight-blue));
    border-color: var(--electric-blue);
    color: var(--crisp-white);
}

/* Scales Grid */
.scales-grid {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    max-height: 400px;
    overflow-y: auto;
    padding-right: 0.5rem;
}

.scales-grid::-webkit-scrollbar {
    width: 6px;
}

.scales-grid::-webkit-scrollbar-track {
    background: rgba(10, 25, 41, 0.3);
    border-radius: 3px;
}

.scales-grid::-webkit-scrollbar-thumb {
    background: linear-gradient(145deg, var(--crisp-blue), var(--highlight-blue));
    border-radius: 3px;
}

.scale-item {
    padding: 0.75rem 1rem;
    background: rgba(10, 25, 41, 0.5);
    border: 1px solid rgba(45, 90, 160, 0.3);
    border-radius: var(--radius-md);
    color: var(--light-gray);
    cursor: pointer;
    transition: var(--transition-crisp);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.scale-item:hover {
    background: rgba(45, 90, 160, 0.2);
    border-color: rgba(45, 90, 160, 0.5);
    transform: translateX(5px);
}

.scale-item.active {
    background: linear-gradient(145deg, var(--crisp-blue), var(--highlight-blue));
    border-color: var(--electric-blue);
    color: var(--crisp-white);
    font-weight: 700;
}

.scale-item-name {
    font-weight: 600;
}

.scale-item-info {
    font-size: 0.8rem;
    color: var(--seafoam);
    background: rgba(46, 196, 182, 0.15);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(46, 196, 182, 0.3);
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: var(--border-light);
}

.pagination-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(145deg, rgba(45, 90, 160, 0.2), rgba(30, 58, 95, 0.3));
    border: 1px solid rgba(45, 90, 160, 0.4);
    border-radius: var(--radius-md);
    color: var(--light-gray);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-crisp);
}

.pagination-btn:hover:not(:disabled) {
    background: linear-gradient(145deg, rgba(45, 90, 160, 0.4), rgba(58, 123, 200, 0.3));
    border-color: var(--crisp-blue);
    color: var(--crisp-white);
}

.pagination-btn.active {
    background: linear-gradient(145deg, var(--crisp-blue), var(--highlight-blue));
    border-color: var(--electric-blue);
    color: var(--crisp-white);
}

.pagination-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

/* Chords in Scale */
.chords-in-scale {
    margin-top: 3rem;
    padding: 2rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 2rem;
}

.section-header h2 {
    font-size: 2rem;
    color: var(--crisp-white);
    margin-bottom: 0.5rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.section-header p {
    color: var(--medium-gray);
    font-size: 1.1rem;
}

.chords-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 1rem;
}

.chord-card {
    background: linear-gradient(145deg, var(--navy-blue), var(--ocean-blue));
    border: var(--border-light);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition-spring);
    position: relative;
    overflow: hidden;
}

.chord-card:hover {
    border-color: var(--crisp-blue);
    transform: translateY(-5px) scale(1.03);
    box-shadow: 
        var(--shadow-float),
        0 0 25px var(--glow-blue);
}

.chord-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--electric-blue), var(--seafoam), var(--electric-blue));
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.chord-card:hover::before {
    transform: translateX(0);
}

.chord-name {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--crisp-white);
    margin-bottom: 0.5rem;
}

.chord-type {
    font-size: 0.85rem;
    color: var(--seafoam);
    background: rgba(46, 196, 182, 0.15);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    display: inline-block;
    border: 1px solid rgba(46, 196, 182, 0.3);
}

/* Scale Theory */
.scale-theory {
    margin-top: 3rem;
    padding: 2rem 0;
}

.theory-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.theory-card {
    background: linear-gradient(145deg, var(--navy-blue), var(--ocean-blue));
    border: var(--border-light);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: var(--transition-crisp);
}

.theory-card:hover {
    border-color: var(--crisp-blue);
    box-shadow: 0 8px 25px rgba(45, 90, 160, 0.4);
}

.theory-card h3 {
    color: var(--crisp-white);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.theory-card h3 i {
    color: var(--seafoam);
}

.theory-content {
    color: var(--light-gray);
    font-size: 0.95rem;
    line-height: 1.6;
}

.theory-content p {
    margin-bottom: 1rem;
}

.theory-content p:last-child {
    margin-bottom: 0;
}

/* Fretboard Canvas Styles */
.fretboard-canvas {
    width: 100%;
    height: 250px;
    background: #ffffff;
    border-radius: var(--radius-sm);
}

.string {
    stroke: #333;
    stroke-width: 2;
}

.fret {
    stroke: #333;
    stroke-width: 1;
}

.note-circle {
    fill: var(--seafoam);
    stroke: white;
    stroke-width: 2;
    cursor: pointer;
    transition: all 0.3s ease;
}

.note-circle.root {
    fill: var(--electric-blue);
}

.note-circle.chord {
    fill: #FF6B6B;
}

.note-circle:hover {
    filter: drop-shadow(0 0 8px currentColor);
    transform: scale(1.1);
}

.note-label {
    fill: white;
    font-size: 10px;
    font-weight: bold;
    text-anchor: middle;
    dominant-baseline: middle;
    pointer-events: none;
}

.fret-number {
    fill: #666;
    font-size: 12px;
    font-weight: bold;
    text-anchor: middle;
}

.string-name {
    fill: #666;
    font-size: 12px;
    font-weight: bold;
    text-anchor: middle;
    dominant-baseline: middle;
}

/* Search Suggestions FIXED */
.search-suggestions-wrapper {
    position: relative;
    z-index: 10000;
}

.search-suggestions {
    position: absolute !important;
    top: 100% !important;
    left: 0 !important;
    right: 0 !important;
    background: linear-gradient(145deg, var(--navy-blue), var(--ocean-blue));
    border: var(--border-crisp);
    border-radius: var(--radius-md);
    z-index: 10001 !important;
    display: none;
    max-height: 400px;
    overflow-y: auto;
    box-shadow: var(--shadow-float);
    backdrop-filter: blur(20px);
    margin-top: 5px;
}

.search-suggestions .suggestion-item {
    padding: 1rem 1.5rem;
    color: var(--off-white);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition-crisp);
    border-bottom: 1px solid rgba(45, 90, 160, 0.2);
}

.search-suggestions .suggestion-item:hover {
    background: rgba(45, 90, 160, 0.3);
    color: var(--crisp-white);
    padding-left: 2rem;
}

.search-suggestions .suggestion-item:last-child {
    border-bottom: none;
}

.search-suggestions .suggestion-item strong {
    font-weight: 700;
    color: var(--crisp-white);
}

.search-suggestions .suggestion-item small {
    font-size: 0.85rem;
    color: var(--seafoam);
    opacity: 0.8;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(10, 25, 41, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    border-bottom: var(--border-light);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo h1 {
    font-size: 1.75rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--electric-blue), var(--seafoam));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 1px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.nav-menu {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.nav-link {
    color: var(--light-gray) !important;
    text-decoration: none !important;
    font-weight: 600 !important;
    font-size: 1rem !important;
    transition: var(--transition-crisp) !important;
    position: relative !important;
    padding: 0.5rem 0 !important;
}

.nav-link::after {
    content: '' !important;
    position: absolute !important;
    bottom: 0 !important;
    left: 0 !important;
    width: 0 !important;
    height: 2px !important;
    background: linear-gradient(90deg, var(--electric-blue), var(--seafoam)) !important;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

.nav-link:hover,
.nav-link.active {
    color: var(--crisp-white) !important;
}

.nav-link.active::after,
.nav-link:hover::after {
    width: 100% !important;
}

/* Hamburger menu */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background: var(--crisp-white);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Footer */
.footer {
    background: var(--ocean-dark);
    padding: 1rem 0 1rem;
    border-top: var(--border-light);
    position: relative;
    z-index: 2;
    margin-top: 3rem;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1rem;
}

.footer-text p {
    color: var(--medium-gray);
    font-size: 0.85rem;
    margin: 0;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .scale-display-wrapper {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .scale-library-section {
        position: static;
    }
}

@media (max-width: 992px) {
    .scale-info-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .theory-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .scale-info-grid {
        grid-template-columns: 1fr;
    }
    
    .theory-grid {
        grid-template-columns: 1fr;
    }
    
    .scale-header {
        flex-direction: column;
        gap: 1rem;
    }
    
    .scale-controls {
        width: 100%;
    }
    
    .scale-controls .btn {
        flex: 1;
    }
    
    .chords-container {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }
    
    /* Responsive nav */
    .nav-container {
        padding: 1rem 1.5rem;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: linear-gradient(135deg, var(--navy-blue), var(--ocean-blue));
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        border-bottom: var(--border-light);
        box-shadow: var(--shadow-deep);
        z-index: 999;
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-link {
        font-size: 1.1rem;
        padding: 0.75rem 0;
        width: 100%;
        text-align: center;
    }

    .hamburger {
        display: flex;
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0 1rem;
    }
    
    .scale-meta {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .scale-controls {
        flex-direction: column;
    }
    
    .audio-controls {
        flex-direction: column;
    }
    
    .chords-container {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .pagination {
        flex-wrap: wrap;
    }
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: linear-gradient(145deg, var(--navy-blue), var(--ocean-blue));
    border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(145deg, var(--crisp-blue), var(--highlight-blue));
    border-radius: var(--radius-sm);
    border: 2px solid var(--navy-blue);
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(145deg, var(--highlight-blue), var(--electric-blue));
}

/* Focus States */
:focus-visible {
    outline: 2px solid var(--electric-blue);
    outline-offset: 2px;
    box-shadow: 0 0 0 3px rgba(0, 191, 255, 0.3);
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 30px;
    height: 30px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--electric-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Selection Styling */
::selection {
    background: rgba(0, 191, 255, 0.3);
    color: var(--crisp-white);
}

/* Tooltip */
.tooltip {
    position: relative;
}

.tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--navy-blue);
    color: var(--crisp-white);
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
    border: var(--border-light);
}

.tooltip:hover::after {
    opacity: 1;
    visibility: visible;
    bottom: calc(100% + 5px);
}

/* Add this to the END of your scales.css file */

/* Fix for white-on-white dropdowns */
select {
    background-color: var(--navy-blue) !important;
    color: var(--crisp-white) !important;
    border: var(--border-light) !important;
    border-radius: var(--radius-md) !important;
    padding: 0.5rem 1rem !important;
    font-size: 0.9rem !important;
    cursor: pointer !important;
    transition: var(--transition-crisp) !important;
    -webkit-appearance: none !important;
    -moz-appearance: none !important;
    appearance: none !important;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3e%3cpath d='M7 10l5 5 5-5z'/%3e%3c/svg%3e") !important;
    background-repeat: no-repeat !important;
    background-position: right 10px center !important;
    background-size: 20px !important;
    padding-right: 40px !important;
}

select option {
    background-color: var(--navy-blue) !important;
    color: var(--crisp-white) !important;
    padding: 10px !important;
}

select:focus {
    outline: none !important;
    border: var(--border-crisp) !important;
    box-shadow: 0 0 0 3px rgba(45, 90, 160, 0.3) !important;
}

/* Fix for dropdowns in chords */
#layout-select, #sound-select, #root-note-select {
    background-color: var(--navy-blue) !important;
    color: var(--crisp-white) !important;
    border: var(--border-light) !important;
    border-radius: var(--radius-md) !important;
    padding: 0.5rem 2rem 0.5rem 1rem !important;
    font-size: 0.9rem !important;
    cursor: pointer !important;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3e%3cpath d='M7 10l5 5 5-5z'/%3e%3c/svg%3e") !important;
    background-repeat: no-repeat !important;
    background-position: right 10px center !important;
    background-size: 20px !important;
}

/* Debug styles - remove after fixing */
.fretboard-dot {
  border: 1px solid red !important; /* To see the bounds */
}

.fretboard-dot:hover {
  border: 1px solid blue !important;
  background-color: rgba(255, 0, 0, 0.1) !important;
}

/* Modal Overlay */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 25, 41, 0.85);
    backdrop-filter: blur(8px);
    z-index: 10000;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal.active {
    display: flex;
    opacity: 1;
}

.modal-content {
    background:
        linear-gradient(135deg, var(--deep-ocean) 0%, var(--ocean-dark) 100%),
        url('/theory/chords/backg.png')!important;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 2px solid rgba(58, 123, 200, 0.2);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    margin: 0;
    color: #2D5AA0;
    font-size: 1.5rem;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: #666;
    cursor: pointer;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s ease;
}

.modal-close:hover {
    background: rgba(58, 123, 200, 0.1);
    color: #2D5AA0;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    padding: 1.5rem;
    border-top: 2px solid rgba(58, 123, 200, 0.2);
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
}

.modal-footer .btn {
    min-width: 120px;
}

/* Scale Info Display on Progression Page */
.scale-backtrack-info {
    background: linear-gradient(145deg, rgba(45, 90, 160, 0.05), rgba(58, 123, 200, 0.05));
    border: 2px solid rgba(58, 123, 200, 0.3);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.scale-info-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(58, 123, 200, 0.2);
}

.scale-info-title {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.scale-info-title i {
    font-size: 2rem;
    color: #3A7BC8;
}

.scale-info-title h3 {
    margin: 0;
    color: #2D5AA0;
    font-size: 1.5rem;
}

.scale-info-title p {
    margin: 0.25rem 0 0 0;
    color: #666;
    font-size: 0.9rem;
}

.scale-info-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.scale-notes-display, 
.scale-intervals-display, 
.scale-additional-info {
    background: white;
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid rgba(58, 123, 200, 0.2);
}

.scale-notes-display h4, 
.scale-intervals-display h4 {
    margin: 0 0 1rem 0;
    color: #2D5AA0;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.scale-notes-container, 
.scale-intervals-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.scale-note, 
.scale-interval {
    background: linear-gradient(145deg, #f0f4f8, #e1e8ed);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-weight: 600;
    color: #333;
    border: 1px solid #d0d7de;
}

.scale-note.root-note, 
.scale-interval.root-interval {
    background: linear-gradient(145deg, #3A7BC8, #2D5AA0);
    color: white;
    border-color: #2D5AA0;
}

.scale-formula {
    margin-top: 1rem;
    padding: 0.75rem;
    background: rgba(58, 123, 200, 0.1);
    border-radius: 6px;
    font-family: 'Courier New', monospace;
    color: #2D5AA0;
    font-weight: 600;
}

.scale-additional-info > div {
    margin-bottom: 0.75rem;
    line-height: 1.6;
}

.scale-additional-info > div:last-child {
    margin-bottom: 0;
}

.scale-additional-info strong {
    color: #2D5AA0;
}

#back-to-scale {
    white-space: nowrap;
}

@media (max-width: 768px) {
    .scale-info-header {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
    
    .scale-info-content {
        grid-template-columns: 1fr;
    }
    
    #back-to-scale {
        width: 100%;
    }
    
    .modal-content {
        width: 95%;
        max-height: 95vh;
    }
    
    .modal-footer {
        flex-direction: column;
    }
    
    .modal-footer .btn {
        width: 100%;
    }
}