/* progression.css - Full updated version with fixes */

:root {
    --deep-ocean: #0A1929;
    --ocean-dark: #071423;
    --ocean-blue: #1E3A5F;
    --navy-blue: #0D2847;
    --crisp-blue: #2D5AA0;
    --highlight-blue: #3A7BC8;
    --electric-blue: #00BFFF;
    --seafoam: #2EC4B6;
    --success-green: #4CAF50;
    --warning-orange: #FF9800;
    --danger-red: #F44336;
    --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 */
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/chords/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;
}

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

/* Hero Section */
.progression-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;
}

.progression-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;
}

.progression-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;
}

/* Progression Builder */
.progression-builder {
    padding: 2rem 0;
}

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

/* Canvas Section */
.progression-canvas-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;
}

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

.canvas-header h2 {
    font-size: 1.5rem;
    color: var(--crisp-white);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    display: none;
}

.canvas-controls {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.tempo-control, .key-control {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--medium-gray);
    font-size: 0.9rem;
}

.tempo-control label, .key-control label {
    font-weight: 600;
}

#tempo-slider {
    width: 100px;
    background: var(--navy-blue);
    border-radius: var(--radius-sm);
    cursor: pointer;
}

#tempo-slider::-webkit-slider-thumb {
    background: var(--electric-blue);
    border-radius: 50%;
    width: 16px;
    height: 16px;
    cursor: pointer;
}

#tempo-value {
    min-width: 50px;
    font-weight: 700;
    color: var(--crisp-white);
}

/* Progression Track */
.progression-track {
    background: rgba(10, 25, 41, 0.6);
    border: var(--border-light);
    border-radius: var(--radius-md);
    margin-bottom: 2rem;
    overflow: hidden;
}

.track-header {
    background: rgba(13, 40, 71, 0.8);
    padding: 1rem 1.5rem;
    border-bottom: var(--border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.track-info h3 {
    color: var(--crisp-white);
    font-size: 1.2rem;
    margin-bottom: 0.25rem;
}

.track-meta {
    display: flex;
    gap: 1rem;
    color: var(--medium-gray);
    font-size: 0.85rem;
}

.track-actions {
    display: flex;
    gap: 0.5rem;
}

.btn {
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-spring);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    position: relative;
    overflow: hidden;
}

.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(-2px);
    box-shadow: var(--shadow-float);
}

.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(-2px);
    box-shadow: var(--shadow-float);
}

.btn-success {
    background: linear-gradient(145deg, var(--success-green), #4CAF50);
    color: var(--crisp-white);
    border: 2px solid rgba(76, 175, 80, 0.3);
}

.btn-danger {
    background: linear-gradient(145deg, var(--danger-red), #F44336);
    color: var(--crisp-white);
    border: 2px solid rgba(244, 67, 54, 0.3);
}

.btn-icon {
    background: transparent;
    border: none;
    color: var(--medium-gray);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: var(--radius-sm);
}

.btn-icon:hover {
    color: var(--crisp-white);
    background: rgba(255, 255, 255, 0.1);
}

/* Chord Sequence */
.chord-sequence {
    min-height: 200px;
    padding: 1.5rem;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: flex-start;
    position: relative;
}

.empty-state {
    width: 100%;
    text-align: center;
    padding: 3rem 1rem;
    color: var(--medium-gray);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--crisp-blue);
}

.empty-state p {
    font-size: 1.1rem;
    max-width: 400px;
    margin: 0 auto;
    line-height: 1.6;
}

.chord-slot {
    background: rgba(30, 58, 95, 0.8);
    border: 2px solid rgba(45, 90, 160, 0.5);
    border-radius: var(--radius-md);
    padding: 1rem;
    min-width: 120px;
    cursor: grab;
    transition: var(--transition-spring);
    position: relative;
}

.chord-slot:hover {
    border-color: var(--crisp-blue);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(45, 90, 160, 0.4);
}

.chord-slot.playing {
    background: linear-gradient(145deg, rgba(46, 196, 182, 0.3), rgba(0, 191, 255, 0.2));
    border-color: var(--electric-blue);
    animation: pulse-glow 1s infinite alternate;
}

@keyframes pulse-glow {
    from {
        box-shadow: 0 0 10px rgba(0, 191, 255, 0.3);
    }
    to {
        box-shadow: 0 0 20px rgba(0, 191, 255, 0.6);
    }
}

.chord-name {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--crisp-white);
    margin-bottom: 0.5rem;
}

.chord-duration {
    font-size: 0.85rem;
    color: var(--seafoam);
    background: rgba(46, 196, 182, 0.15);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    display: inline-block;
}

.chord-actions {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    display: flex;
    gap: 0.25rem;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.chord-slot:hover .chord-actions {
    opacity: 1;
}

.chord-action-btn {
    background: rgba(10, 25, 41, 0.8);
    border: 1px solid rgba(45, 90, 160, 0.5);
    border-radius: var(--radius-sm);
    color: var(--medium-gray);
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.8rem;
}

.chord-action-btn:hover {
    background: var(--navy-blue);
    color: var(--crisp-white);
    border-color: var(--crisp-blue);
}

.chord-position {
    position: absolute;
    top: -8px;
    left: 8px;
    background: var(--crisp-blue);
    color: var(--deep-ocean);
    font-size: 0.75rem;
    font-weight: 800;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
}

.sequence-controls {
    padding: 1rem 1.5rem;
    border-top: var(--border-light);
    display: flex;
    gap: 1rem;
    background: rgba(13, 40, 71, 0.8);
}

/* Analysis Panel */
.analysis-panel {
    background: rgba(10, 25, 41, 0.9);
    border: var(--border-crisp);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    margin-top: 1rem;
    display: none;
    backdrop-filter: blur(10px);
}

.analysis-panel.active {
    display: block;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.analysis-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: var(--border-light);
}

.analysis-header h3 {
    color: var(--crisp-white);
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.analysis-section {
    margin-bottom: 1.5rem;
}

.analysis-section:last-child {
    margin-bottom: 0;
}

.analysis-section h4 {
    color: var(--light-gray);
    font-size: 1rem;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.analysis-result {
    background: rgba(13, 40, 71, 0.6);
    border: 1px solid rgba(45, 90, 160, 0.3);
    border-radius: var(--radius-md);
    padding: 1rem;
    color: var(--off-white);
    font-size: 0.95rem;
    line-height: 1.5;
}

.roman-chord {
    display: inline-block;
    background: var(--navy-blue);
    padding: 0.5rem 0.75rem;
    margin: 0.25rem;
    border-radius: var(--radius-sm);
    font-weight: 700;
    border: 1px solid rgba(45, 90, 160, 0.5);
}

.roman-chord.major {
    background: rgba(46, 196, 182, 0.2);
    border-color: rgba(46, 196, 182, 0.4);
}

.roman-chord.minor {
    background: rgba(255, 107, 107, 0.2);
    border-color: rgba(255, 107, 107, 0.4);
}

.roman-chord.dominant {
    background: rgba(255, 152, 0, 0.2);
    border-color: rgba(255, 152, 0, 0.4);
}

.progression-library-section {
    background: linear-gradient(145deg, var(--navy-blue), var(--ocean-blue));
    border: var(--border-light);
    border-radius: var(--radius-lg);
    padding: 1.5rem 1.5rem 0.5rem 1.5rem;
    height: fit-content;
    max-height: 650px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.library-tabs {
    display: flex;
    margin-bottom: 1rem;
    border-bottom: var(--border-light);
    flex-shrink: 0;
}

.tab-btn {
    flex: 1;
    padding: 0.75rem 0.5rem;
    background: transparent;
    border: none;
    color: var(--medium-gray);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-crisp);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border-bottom: 3px solid transparent;
    font-size: 12px!important;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    min-width: 0;
}

.tab-btn span {
    overflow: hidden;
    text-overflow: ellipsis;
}

.tab-btn:hover {
    color: var(--crisp-white);
}

.tab-btn.active {
    color: var(--electric-blue);
    border-bottom-color: var(--electric-blue);
}

.tab-content {
    display: none;
    flex: 1;
    overflow: hidden;
    flex-direction: column;
    min-height: 0;
}

.tab-content.active {
    display: flex;
}

.library-filters {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
    flex-shrink: 0;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    min-width: 0;
}

.filter-group label {
    color: var(--medium-gray);
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.select-style {
    padding: 0.5rem 0.75rem;
    background: rgba(10, 25, 41, 0.8);
    border: 1px solid rgba(45, 90, 160, 0.4);
    border-radius: var(--radius-md);
    color: var(--crisp-white);
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition-crisp);
    width: 100%;
    box-sizing: border-box;
}

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

.chords-library-grid {
    flex: 1;
    overflow-y: scroll;
    overflow-x: hidden;
    min-height: 300px;
    max-height: 500px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
    padding-right: 0.5rem;
    padding-bottom: 1rem;
    align-content: start;
}

.chords-library-grid::-webkit-scrollbar {
    width: 8px;
}

.chords-library-grid::-webkit-scrollbar-track {
    background: rgba(10, 25, 41, 0.6);
    border-radius: 4px;
}

.chords-library-grid::-webkit-scrollbar-thumb {
    background: linear-gradient(145deg, var(--crisp-blue), var(--highlight-blue));
    border-radius: 4px;
}

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

.library-chord {
    background: rgba(10, 25, 41, 0.5);
    border: 1px solid rgba(45, 90, 160, 0.3);
    border-radius: var(--radius-sm);
    padding: 0.75rem 0.5rem;
    cursor: grab;
    transition: var(--transition-crisp);
    user-select: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    min-height: 60px;
}

.library-chord:hover {
    background: rgba(45, 90, 160, 0.2);
    border-color: rgba(45, 90, 160, 0.5);
    transform: scale(1.05);
}

.library-chord-name {
    font-size: 1rem;
    font-weight: 700;
    color: var(--crisp-white);
    margin-bottom: 0.25rem;
    word-break: break-word;
    line-height: 1.2;
}

.library-chord-type {
    font-size: 0.7rem;
    color: var(--seafoam);
    opacity: 0.8;
    word-break: break-word;
    line-height: 1.2;
}

.load-more-container {
    padding: 1rem;
    text-align: center;
    border-top: var(--border-light);
    flex-shrink: 0;
}

#load-more-chords {
    width: 100%;
}

.suggestions-header {
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: var(--border-light);
    flex-shrink: 0;
}

.suggestions-header h4 {
    color: var(--crisp-white);
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.suggestions-header p {
    color: var(--medium-gray);
    font-size: 0.9rem;
}

.suggestions-container {
    flex: 1;
    overflow-y: scroll;
    overflow-x: hidden;
    min-height: 300px;
    max-height: 500px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
    padding-right: 0.5rem;
    padding-bottom: 1rem;
    align-content: start;
}

.suggestions-container::-webkit-scrollbar {
    width: 8px;
}

.suggestions-container::-webkit-scrollbar-track {
    background: rgba(10, 25, 41, 0.6);
    border-radius: 4px;
}

.suggestions-container::-webkit-scrollbar-thumb {
    background: linear-gradient(145deg, var(--crisp-blue), var(--highlight-blue));
    border-radius: 4px;
}

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

.empty-suggestions {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--medium-gray);
    grid-column: 1 / -1;
}

.empty-suggestions i {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--crisp-blue);
}

.suggestion-item {
    background: rgba(10, 25, 41, 0.5);
    border: 1px solid rgba(45, 90, 160, 0.3);
    border-radius: var(--radius-sm);
    padding: 0.75rem;
    cursor: pointer;
    transition: var(--transition-spring);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    min-height: 80px;
}

.suggestion-item:hover {
    background: rgba(45, 90, 160, 0.2);
    border-color: var(--crisp-blue);
    transform: scale(1.05);
}

.suggestion-name {
    font-size: 1rem;
    font-weight: 700;
    color: var(--crisp-white);
    margin-bottom: 0.25rem;
    word-break: break-word;
}

.suggestion-reason {
    font-size: 0.7rem;
    color: var(--medium-gray);
    word-break: break-word;
}

.presets-header {
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: var(--border-light);
    flex-shrink: 0;
}

.presets-header h4 {
    color: var(--crisp-white);
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.presets-header p {
    color: var(--medium-gray);
    font-size: 0.9rem;
}

.presets-container {
    flex: 1;
    overflow-y: scroll;
    overflow-x: hidden;
    min-height: 300px;
    max-height: 500px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
    padding-right: 0.5rem;
    padding-bottom: 1rem;
    align-content: start;
}

.presets-container::-webkit-scrollbar {
    width: 8px;
}

.presets-container::-webkit-scrollbar-track {
    background: rgba(10, 25, 41, 0.6);
    border-radius: 4px;
}

.presets-container::-webkit-scrollbar-thumb {
    background: linear-gradient(145deg, var(--crisp-blue), var(--highlight-blue));
    border-radius: 4px;
}

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

.preset-item {
    background: rgba(10, 25, 41, 0.5);
    border: 1px solid rgba(45, 90, 160, 0.3);
    border-radius: var(--radius-sm);
    padding: 0.5rem;
    cursor: grab;
    transition: var(--transition-spring);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    min-height: 30px;
}

.preset-item:hover {
    background: rgba(45, 90, 160, 0.2);
    border-color: var(--crisp-blue);
    transform: scale(1.02);
}

.preset-name {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--crisp-white);
    margin-bottom: 0.5rem;
    word-break: break-word;
}

.preset-chords, .preset-description {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
    margin-bottom: 0.5rem;
    display: none;
    justify-content: center;
}

.preset-chord {
    background: rgba(46, 196, 182, 0.2);
    color: var(--seafoam);
    padding: 0.15rem 0.35rem;
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    font-weight: 600;
}

.preset-description {
    font-size: 0.7rem;
    color: var(--medium-gray);
    word-break: break-word;
}

/* Saved Progressions */
.saved-progressions {
    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;
}

.saved-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.saved-progression-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-spring);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.saved-progression-card:hover {
    border-color: var(--crisp-blue);
    transform: translateY(-5px);
    box-shadow: var(--shadow-float);
}

.saved-progression-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;
}

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

.saved-progression-name {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--crisp-white);
    margin-bottom: 1rem;
    word-break: break-word;
}

.saved-progression-chords {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
    flex: 1;
}

.saved-chord {
    background: rgba(30, 58, 95, 0.8);
    color: var(--light-gray);
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.9rem;
}

.saved-progression-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--medium-gray);
    font-size: 0.85rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(45, 90, 160, 0.3);
}

.saved-progression-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.saved-action-btn {
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-crisp);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.85rem;
}

.saved-action-delete {
    background: rgba(244, 67, 54, 0.2);
    color: var(--danger-red);
    border: 1px solid rgba(244, 67, 54, 0.3);
}

.saved-action-delete:hover {
    background: rgba(244, 67, 54, 0.3);
    color: var(--crisp-white);
}

.saved-action-share {
    background: rgba(45, 90, 160, 0.2);
    color: var(--crisp-blue);
    border: 1px solid rgba(45, 90, 160, 0.3);
}

.saved-action-share:hover {
    background: rgba(45, 90, 160, 0.3);
    color: var(--crisp-white);
}

/* Progression Theory */
.progression-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: 0.75rem;
}

.theory-content strong {
    color: var(--seafoam);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(5px);
}

.modal.active {
    display: flex;
}

.modal-content {
    background:
        linear-gradient(135deg, var(--deep-ocean) 0%, var(--ocean-dark) 100%),
        url('/theory/chords/backg.png')!important;
    border: var(--border-crisp);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 500px;
    max-height: 80vh;
    overflow: hidden;
    box-shadow: var(--shadow-float);
}

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

.modal-header h3 {
    color: var(--crisp-white);
    font-size: 1.3rem;
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    color: var(--medium-gray);
    font-size: 1.5rem;
    cursor: pointer;
    line-height: 1;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--crisp-white);
}

.modal-body {
    padding: 1.5rem;
    overflow-y: auto;
    max-height: 50vh;
}

.modal-footer {
    padding: 1.5rem;
    border-top: var(--border-light);
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
}

/* Share Modal Styles */
.share-url-container {
    display: flex;
    gap: 0.5rem;
    margin: 1rem 0;
}

#share-url {
    flex: 1;
    background: rgba(10, 25, 41, 0.8);
    border: 1px solid rgba(45, 90, 160, 0.4);
    border-radius: var(--radius-md);
    padding: 0.75rem;
    color: var(--crisp-white);
    font-size: 0.9rem;
    overflow: hidden;
    text-overflow: ellipsis;
}

#copy-share-url {
    white-space: nowrap;
}

.share-warning {
    background: rgba(255, 152, 0, 0.1);
    border: 1px solid rgba(255, 152, 0, 0.3);
    border-radius: var(--radius-md);
    padding: 1rem;
    color: var(--warning-orange);
    font-size: 0.9rem;
    margin-top: 1rem;
}

.share-warning i {
    margin-right: 0.5rem;
}

/* Load Confirmation Modal */
.progression-preview {
    background: rgba(10, 25, 41, 0.6);
    border: 1px solid rgba(45, 90, 160, 0.3);
    border-radius: var(--radius-md);
    padding: 1rem;
    margin-top: 1rem;
}

.progression-preview h4 {
    color: var(--crisp-white);
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

#shared-progression-preview {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.preview-chord {
    background: rgba(46, 196, 182, 0.2);
    color: var(--seafoam);
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.9rem;
}

/* Footer */
.footer {
    background: linear-gradient(145deg, var(--navy-blue), var(--ocean-blue));
    border-top: var(--border-crisp);
    padding: 2rem 0;
    margin-top: 3rem;
}

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

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-text p {
    color: var(--medium-gray);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 1200px) {
    .builder-wrapper {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .progression-library-section {
        position: static;
        max-height: none;
    }
}

@media (max-width: 992px) {
    .theory-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .chords-library-grid,
    .suggestions-container,
    .presets-container {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .canvas-header {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }
    
    .canvas-controls {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }
    
    .tempo-control, .key-control {
        flex-direction: column;
        align-items: stretch;
    }
    
    .track-header {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }
    
    .track-actions {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .sequence-controls {
        flex-direction: column;
    }
    
    .library-filters {
        grid-template-columns: 1fr;
    }
    
    .theory-grid {
        grid-template-columns: 1fr;
    }
    
    .saved-grid {
        grid-template-columns: 1fr;
    }
    
    .saved-progression-info {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .saved-progression-actions {
        width: 100%;
        justify-content: flex-end;
    }
    
    .share-url-container {
        flex-direction: column;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .chords-library-grid,
    .suggestions-container,
    .presets-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0 1rem;
    }
    
    .chord-slot {
        min-width: 100%;
    }
    
    .tab-btn {
        font-size: 0.8rem;
        padding: 0.5rem 0.25rem;
    }
    
    .library-tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .chords-library-grid,
    .suggestions-container,
    .presets-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 400px) {
    .chords-library-grid,
    .suggestions-container,
    .presets-container {
        grid-template-columns: 1fr;
    }
}

/* Drag & Drop Styles */
.chord-slot.drag-over {
    border: 2px dashed var(--electric-blue);
    background: rgba(0, 191, 255, 0.1);
}

.chord-slot.dragging {
    opacity: 0.5;
}

.chord-sequence.drag-over {
    border: 2px dashed var(--seafoam);
    background: rgba(46, 196, 182, 0.05);
}

/* Toastify Customization */
.toastify {
    background: linear-gradient(145deg, var(--navy-blue), var(--ocean-blue));
    border: var(--border-light);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-float);
    font-family: 'Inter', sans-serif;
}

.toastify-success {
    background: linear-gradient(145deg, var(--success-green), #4CAF50);
}

/* Navigation Styles */
.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) !important;
    backdrop-filter: blur(12px) !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5) !important;
    border-bottom: var(--border-light) !important;
}

.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-logo h1 a {
    background: linear-gradient(135deg, var(--electric-blue), var(--seafoam));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.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);
}

/* Responsive Navigation */
@media (max-width: 768px) {
    .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 !important;
        padding: 0.75rem 0 !important;
        width: 100%;
        text-align: center;
    }

    .hamburger {
        display: flex;
    }
}

/* Scale Backtrack Styles */
.scale-backtrack-info {
    margin: 1.5rem 0;
    padding: 1rem;
    background: linear-gradient(145deg, rgba(45, 90, 160, 0.1), rgba(58, 123, 200, 0.05));
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
}

.scale-info-banner {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 1rem;
    background: var(--background-light);
    border-radius: var(--radius-sm);
    border-left: 4px solid var(--highlight-blue);
}

.scale-info-banner i {
    font-size: 1.25rem;
    color: var(--highlight-blue);
}

.scale-info-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.scale-info-text strong {
    color: var(--text-primary);
    font-size: 0.95rem;
}

.scale-info-text span {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

#back-to-scale {
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
}

/* Disabled select styles when from scale */
select:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    background: var(--background-light);
}

/* Loading spinner for backtrack button */
.fa-spinner {
    animation: spin 1s linear infinite;
}

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

/* Scale Backtrack Styles */
.scale-backtrack-info {
    margin: 1rem 0 2rem;
    padding: 1.5rem;
    background: linear-gradient(145deg, var(--background-dark), var(--background-darker));
    border-radius: var(--radius-lg);
    border: 2px solid var(--highlight-blue);
    box-shadow: var(--shadow-lg);
}

.scale-info-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-light);
}

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

.scale-info-title i {
    font-size: 2rem;
    color: var(--highlight-blue);
}

.scale-info-title h3 {
    margin: 0;
    color: var(--text-primary);
    font-size: 1.25rem;
}

.scale-info-title p {
    margin: 0.25rem 0 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

#back-to-scale {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.scale-notes-display,
.scale-intervals-display {
    padding: 1rem;
    background: var(--background-light);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
}

.scale-notes-display h4,
.scale-intervals-display h4 {
    margin: 0 0 0.75rem 0;
    color: var(--text-primary);
    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;
    margin-bottom: 0.5rem;
}

.scale-note,
.scale-interval {
    padding: 0.5rem 0.75rem;
    background: var(--background-medium);
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

.scale-note.root-note {
    background: linear-gradient(145deg, var(--highlight-blue), #00BFFF);
    color: var(--text-light);
    box-shadow: var(--shadow-sm);
}

.scale-interval.root-interval {
    background: linear-gradient(145deg, var(--success-green), #4CAF50);
    color: var(--text-light);
    box-shadow: var(--shadow-sm);
}

.scale-formula {
    margin-top: 0.75rem;
    padding: 0.75rem;
    background: rgba(45, 90, 160, 0.1);
    border-radius: var(--radius-sm);
    font-family: monospace;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.scale-additional-info {
    padding: 1rem;
    background: var(--background-light);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
    grid-column: 1 / -1;
}

.scale-group,
.scale-application {
    margin-bottom: 0.75rem;
    padding: 0.75rem;
    background: var(--background-medium);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
}

.scale-group strong,
.scale-application strong {
    color: var(--highlight-blue);
    margin-right: 0.5rem;
}

/* Locked controls styling */
select:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    background: var(--background-light);
    border-color: var(--border-medium);
}

.tempo-control:has(input:disabled) {
    opacity: 0.6;
}

/* Animation for scale notes */
@keyframes pulse-note {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.scale-note:hover,
.scale-interval:hover {
    animation: pulse-note 0.5s ease;
    cursor: default;
}

/* Responsive adjustments */
@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 {
        align-self: stretch;
        justify-content: center;
    }
}

/* 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%;
    }
}
/* Compact Scale Display */
.scale-backtrack-info {
    background: linear-gradient(145deg, rgba(45, 90, 160, 0.03), rgba(58, 123, 200, 0.03));
    border: 1px solid rgba(58, 123, 200, 0.2);
    border-radius: 10px;
    padding: 1rem;
    margin-bottom: 1.5rem;
}

.scale-display-header {
    margin-bottom: 1rem;
}

.scale-title-section {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.scale-title-section h3 {
    margin: 0;
    color: #ffffff;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.scale-title-section i {
    color: #ffffff;
}

#back-to-scale {
    font-size: 0.85rem;
    padding: 0.4rem 0.8rem;
}

.scale-display-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.scale-fretboard-section {
    background: white;
    border-radius: 8px;
    padding: 0.5rem;
    border: 1px solid rgba(58, 123, 200, 0.15);
    width: 100%;
}

#scale-fretboard-display {
    margin-bottom: 0.5rem;
}

.scale-legend {
    display: flex;
    gap: 1rem;
    justify-content: center;
    padding: 0.5rem 0 0.25rem 0;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.85rem;
    color: #666;
}

.legend-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 1.5px solid white;
}

.legend-dot.root {
    background: #00BFFF;
}

.legend-dot.scale {
    background: #2EC4B6;
}

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

.scale-compact-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.scale-notes-compact,
.scale-app-compact {
    background: white;
    padding: 0.75rem;
    border-radius: 6px;
    border: 1px solid rgba(58, 123, 200, 0.15);
    font-size: 0.9rem;
}

.scale-notes-compact strong,
.scale-app-compact strong {
    color: #2D5AA0;
    display: block;
    margin-bottom: 0.4rem;
}

.notes-inline {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.note-badge-compact {
    background: linear-gradient(145deg, #e8f0f8, #d9e6f2);
    padding: 0.35rem 0.65rem;
    border-radius: 5px;
    font-weight: 600;
    font-size: 0.85rem;
    color: #333;
    border: 1px solid #c5d9ed;
}

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

.scale-app-compact {
    line-height: 1.5;
    color: #555;
}

@media (max-width: 768px) {
    .scale-compact-info {
        grid-template-columns: 1fr;
    }
    
    .scale-title-section {
        flex-direction: column;
        gap: 0.75rem;
        align-items: stretch;
    }
    
    #back-to-scale {
        width: 100%;
    }
}