* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    background-color: #ffffff;
    color: #333;
    min-height: 100vh;
    min-height: calc(var(--vh, 1vh) * 100);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.container {
    display: flex;
    height: 100vh;
    height: calc(var(--vh, 1vh) * 100);
    width: 100vw;
    overflow: hidden;
    background: transparent;
    position: relative;
}

.sound-controls {
    position: fixed;
    top: 0;
    left: 0;
    width: 280px;
    height: 100vh;
    background: white;
    box-shadow: 2px 0 12px rgba(0, 0, 0, 0.1);
    overflow-y: auto;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 100;
}

.sound-controls.collapsed {
    transform: translateX(-100%);
}

.sound-controls.collapsed + .sidebar-trigger {
    left: 1rem;
}

.chord-display {
    flex: 1;
    display: flex;
    flex-direction: column;
    position: relative;
    background: transparent;
    height: 100vh;
    height: calc(var(--vh, 1vh) * 100);
    overflow: hidden;
}

#visualizer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    background: transparent;
}

.chord-container {
    position: relative;
    z-index: 2;
    width: 80%;
    height: 80vh;
    min-height: 400px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto;
}

.connections {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.connection-path {
    fill: none;
    stroke: rgba(128, 128, 128, 0.3);
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.chord {
    position: absolute;
    width: 104px;
    height: 96px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: #fff;
    clip-path: polygon(25% 0%, 75% 0%, 100% 50%, 75% 100%, 25% 100%, 0% 50%);
    border: 1px solid rgba(0, 0, 0, 0.1);
    transition: all 0.2s ease;
    z-index: 1;
    cursor: pointer;
}

.chord .name {
    font-size: 22px;
    font-weight: 500;
    margin: 0;
    line-height: 1;
    color: #2c3e50;
}

.chord .type {
    font-size: 12px;
    margin-top: 2px;
    color: #666;
    line-height: 1;
}

.chord:hover {
    transform: scale(1.1);
    z-index: 2;
}

.chord.playing {
    animation: pulse-led var(--bpm-duration, 0.5s) infinite;
    box-shadow: 0 0 12px #ff9800;
}

@keyframes pulse-led {
    0% {
        box-shadow: 0 0 8px #ff9800;
        filter: brightness(1);
    }
    50% {
        box-shadow: 0 0 16px #ff9800;
        filter: brightness(1.1);
    }
    100% {
        box-shadow: 0 0 8px #ff9800;
        filter: brightness(1);
    }
}

.progression-positive {
    background: linear-gradient(135deg, #e74c3c, #e67e22);
    color: white;
}

.progression-positive .name,
.progression-positive .type {
    color: white;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.progression-sad {
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
}

.progression-sad .name,
.progression-sad .type {
    color: white;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.progression-dark {
    background: linear-gradient(135deg, #34495e, #2c3e50);
    color: white;
}

.progression-dark .name,
.progression-dark .type {
    color: white;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.root-note {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 72px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #2c3e50, #3498db);
    color: white;
    font-size: 24px;
    font-weight: 500;
    clip-path: polygon(25% 0%, 75% 0%, 100% 50%, 75% 100%, 25% 100%, 0% 50%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
    z-index: 2;
}

@media (max-width: 500px) {
    .chord {
        width: 64px;
        height: 74px;
    }

    .chord .name {
        font-size: 20px;
    }

    .chord .type {
        font-size: 11px;
    }

    .root-note {
        width: 48px;
        height: 55px;
    }
}

.chord-hexagon {
    position: relative;
    width: 500px;
    height: 500px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
    pointer-events: none;
    transform-origin: center center;
    transition: transform 0.3s ease-in-out;
    will-change: transform;
}

.chord-hexagon.nested {
    position: absolute;
    margin: 0;
    transform-origin: center center;
    pointer-events: none;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: transform 0.3s ease-in-out;
}

.chord-hexagon > * {
    pointer-events: auto;
}

.root-note-display {
    position: absolute;
    width: clamp(80px, calc(104px * var(--scale-factor, 1)), 104px);
    height: clamp(92px, calc(120px * var(--scale-factor, 1)), 120px);
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(45deg, #2c3e50, #3498db);
    color: white;
    font-size: clamp(1.5rem, calc(2.5rem * var(--scale-factor, 1)), 2.5rem);
    font-weight: bold;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
    z-index: 2;
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
    transform-origin: center center;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: transform 0.3s ease-in-out;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

.connection {
    position: absolute;
    height: 2px;
    background: rgba(0, 0, 0, 0.1);
    transform-origin: left center;
    pointer-events: none;
    transition: all 0.3s ease-in-out;
    z-index: 1;
}

.synth-header {
    padding: 1rem;
    padding-left: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

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

.title-group h2 {
    margin: 0;
    font-size: 1.2rem;
    color: #2c3e50;
}

.control-buttons {
    display: flex;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    margin-bottom: 1rem;
}

.rand-button,
.fun-button,
.loop-button {
    background: white;
    color: #2c3e50;
    border: 1px solid #2c3e50;
    padding: 4px 8px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.7rem;
    letter-spacing: 1px;
    transition: all 0.2s;
}

.rand-button:hover,
.fun-button:hover,
.loop-button:hover {
    background: #2c3e50;
    color: white;
}

.fun-button.active {
    background: #ff3b3b;
    color: white;
    border-color: #ff3b3b;
}

.control-group {
    margin-bottom: 0.8rem;
    padding-bottom: 0.8rem;
    border-bottom: 1px solid #eee;
    overflow: hidden;
}

.control-group:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.group-header {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    user-select: none;
    margin-bottom: 0.4rem;
}

.group-toggle {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: monospace;
    font-size: 18px;
    color: var(--accent-color);
    transition: transform 0.2s ease;
    user-select: none;
}

.group-toggle::before {
    content: '+';
}

.control-group.collapsed .group-toggle::before {
    content: '+';
}

.control-group:not(.collapsed) .group-toggle::before {
    content: '-';
}

.control-group.collapsed .group-toggle {
    transform: rotate(0);
}

.group-label {
    color: #666;
    font-size: 0.7rem;
    letter-spacing: 1px;
    flex: 1;
}

.control-group.collapsed .group-content {
    display: none;
}

.group-content {
    transition: all 0.3s ease;
}

.osc-shapes {
    display: flex;
    gap: 0.4rem;
    margin-bottom: 0.8rem;
}

.shape-btn,
.prog-btn,
.scale-btn,
.arp-btn,
.noise-btn,
.control-button {
    width: 40px;
    height: 40px;
    border: 2px solid var(--accent-color);
    border-radius: 4px;
    background: transparent;
    color: var(--accent-color);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    padding: 8px;
    margin: 2px;
}

.shape-btn:hover {
    background: rgba(52, 73, 94, 0.1);
}

.shape-btn.active {
    background: #2c3e50;
    color: #FFFFFF;
    border-color: #2c3e50;
}

.shape-btn svg {
    width: 24px;
    height: 24px;
    stroke: currentColor;
    stroke-width: 2px;
    fill: none;
}

.prog-btn svg,
.arp-btn svg,
.noise-btn svg {
    stroke: #666;
    stroke-width: 2;
    fill: none;
}

.prog-btn.active svg,
.arp-btn.active svg,
.noise-btn.active svg {
    stroke: var(--active-color);
}

/* Remove any overrides that might make buttons circular */
.scale-btn,
.prog-btn,
.arp-btn,
.noise-btn {
    border-radius: 4px !important;
    width: 40px !important;
    height: 40px !important;
    margin: 2px !important;
    border: 2px solid var(--accent-color) !important;
}

.scale-selector,
.progression-selector,
.arp-styles {
    display: flex;
    gap: 0.4rem;
    margin-bottom: 0.8rem;
    justify-content: flex-start;
}

.env-controls {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.env-controls .mini-control {
    margin-bottom: 0;
}

.env-controls .mini-control span:first-child {
    width: 16px;
}

.env-controls .mini-control .value {
    width: 24px;
    min-width: 24px;
}

.mini-control {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    margin-bottom: 0.4rem;
    height: 24px;
}

.mini-control:last-child {
    margin-bottom: 0;
}

.mini-control span:first-child {
    width: 36px;
    font-size: 0.7rem;
    color: #666;
    letter-spacing: 1px;
}

.mini-control input[type="range"] {
    flex: 1;
    min-width: 0;
    height: 3px;
    -webkit-appearance: none;
    background: #eee;
    border-radius: 2px;
    outline: none;
    margin: 0;
    padding: 0;
}

.mini-control input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #2c3e50;
    cursor: pointer;
    transition: all 0.2s;
    margin-top: -6.5px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.mini-control input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
}

.mini-control input[type="range"]::-webkit-slider-thumb:active {
    transform: scale(1.1);
    background: #34495e;
}

.mini-control .value {
    width: 28px;
    min-width: 28px;
    font-size: 0.7rem;
    color: #2c3e50;
    text-align: right;
}

.arp-styles {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
    justify-content: center;
}

.arp-btn {
    width: 48px;
    height: 48px;
    border: 2px solid var(--accent-color);
    border-radius: 4px;
    background: transparent;
    color: var(--accent-color);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    padding: 8px;
    margin: 2px;
}

.arp-btn:hover {
    background: rgba(52, 73, 94, 0.1);
}

.arp-btn.active {
    background: #34495e;
    color: #FFFFFF;
    border-color: #34495e;
}

.arp-btn svg {
    width: 100%;
    height: 100%;
    stroke: var(--text-color);
    stroke-width: 2;
    fill: none;
    transition: all 0.2s ease;
}

.arp-btn.active svg {
    stroke: var(--active-color);
}

.note-selector {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-bottom: 8px;
}

.note-btn {
    width: 40px;
    height: 40px;
    border: 2px solid var(--accent-color);
    border-radius: 4px;
    background: transparent;
    color: var(--accent-color);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    padding: 4px;
    margin: 2px;
    font-size: 14px;
}

.note-btn:hover {
    background: rgba(52, 73, 94, 0.1);
}

.note-btn.active {
    background: #34495e;
    color: #FFFFFF;
    border-color: #34495e;
}

.scale-selector {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
    justify-content: center;
}

.scale-btn {
    width: 48px;
    height: 48px;
    border: 2px solid var(--accent-color);
    border-radius: 4px;
    background: transparent;
    color: var(--accent-color);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    padding: 8px;
    margin: 2px;
}

.scale-btn:hover {
    background: rgba(52, 73, 94, 0.1);
}

.scale-btn.active {
    background: #34495e;
    color: #FFFFFF;
    border-color: #34495e;
}

.scale-btn svg {
    width: 100%;
    height: 100%;
    fill: var(--text-color);
    transition: all 0.2s ease;
}

.scale-btn.active svg {
    fill: var(--active-color);
}

.progression-selector {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
    justify-content: center;
}

.prog-btn {
    width: 48px;
    height: 48px;
    border: 2px solid var(--accent-color);
    border-radius: 4px;
    background: transparent;
    color: var(--accent-color);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    padding: 8px;
    margin: 2px;
}

.prog-btn:hover {
    background: rgba(52, 73, 94, 0.1);
}

.prog-btn.active {
    background: #34495e;
    color: #FFFFFF;
    border-color: #34495e;
}

.prog-btn svg {
    width: 100%;
    height: 100%;
    fill: none;
    stroke: var(--text-color);
    stroke-width: 2;
    transition: all 0.2s ease;
}

.prog-btn.active svg {
    stroke: var(--active-color);
}

/* Improve focus visibility for accessibility */
.prog-btn:focus,
.note-btn:focus,
.scale-btn:focus,
.shape-btn:focus,
.arp-btn:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* Add keyboard focus styles */
.prog-btn:focus-visible,
.note-btn:focus-visible,
.scale-btn:focus-visible,
.shape-btn:focus-visible,
.arp-btn:focus-visible {
    outline: 3px solid var(--accent-color);
    outline-offset: 3px;
    box-shadow: 0 0 0 3px rgba(52, 73, 94, 0.2);
}

/* Improve contrast for better accessibility */
.group-label {
    color: #444;
    font-weight: 500;
}

.description {
    color: #555;
    text-align: center;
    margin-bottom: 2rem;
    font-size: 1.1rem;
    line-height: 1.5;
}

/* Add skip link for keyboard navigation */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--accent-color);
    color: white;
    padding: 8px;
    z-index: 100;
    transition: top 0.2s;
}

.skip-link:focus {
    top: 0;
}

/* Improve hover states for better interaction */
.chord:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    z-index: 3;
}

.chord:focus-visible {
    outline: 3px solid var(--accent-color);
    outline-offset: 3px;
    transform: scale(1.1);
    z-index: 3;
}

/* Add CSS variables for consistent theming */
:root {
    --accent-color: #2c3e50;
    --bg-color: #ffffff;
    --text-color: #333333;
    --border-color: #dddddd;
    --hover-color: #f5f5f5;
    --focus-color: #3498db;
    --active-color: #ff3b3b;
    --button-bg: rgba(255, 255, 255, 0.1);
    --button-hover-bg: rgba(255, 255, 255, 0.2);
    --button-active-bg: rgba(255, 255, 255, 0.3);
    --primary-color: #6200EE;
    --secondary-color: #FF0080;
    --background-color: #121212;
    --surface-color: #2D2D2D;
    --button-size: 40px;
    --button-padding: 8px;
    --button-border-radius: 4px;
    --button-border-width: 1px;
    --button-transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --button-shadow: 0 0 8px rgba(98, 0, 238, 0.3);
    --button-active-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.3), 0 0 8px rgba(98, 0, 238, 0.5);
    --icon-size: 24px;
    --icon-stroke-width: 2px;
    --chord-bg: rgba(30, 30, 30, 0.8);
    --chord-border: rgba(255, 255, 255, 0.2);
    --connection-color: rgba(255, 255, 255, 0.3);
    --root-note-bg: rgba(40, 40, 40, 0.9);
    --root-note-color: #fff;
    --root-note-border: rgba(255, 255, 255, 0.4);
}

/* Improve contrast for mini-control values */
.mini-control .value {
    color: #2c3e50;
    font-weight: 500;
}

/* Add transition for smoother interactions */
.chord,
.connection,
.root-note-display {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Improve mobile responsiveness */
@media (max-width: 1200px) {
    .container {
        padding: 0.5rem;
        gap: 0.5rem;
    }

    .sound-controls {
        width: 240px;
        padding: 0.8rem;
    }

    .chord-display {
        padding: 0.5rem;
    }

    .chord-hexagon {
        width: 500px;
        height: 500px;
    }
}

@media (max-width: 900px) {
    .container {
        flex-direction: column;
    }

    .sound-controls {
        width: 100%;
        position: relative;
        top: 0;
        max-height: none;
    }

    .chord-display {
        min-height: 50vh;
        padding: 0.5rem;
    }

    .chord-hexagon {
        width: 400px;
        height: 400px;
    }
}

@media (max-width: 500px) {
    .chord {
        --chord-size: 72px;
        padding: 10px;
    }

    .chord .name {
        font-size: 20px;
    }

    .chord .type {
        font-size: 11px;
    }

    .root-note {
        width: 48px;
        height: 55px;
        font-size: 20px;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --accent-color: #000000;
        --text-color: #000000;
        --border-color: #000000;
    }

    .chord,
    .connection,
    .root-note-display {
        border: 2px solid black;
    }

    .mini-control input[type="range"] {
        border: 1px solid black;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    * {
        transition: none !important;
        animation: none !important;
    }
}

/* Add transition for depth changes */
.chord-hexagon, .chord, .root-note-display, .connection {
    transition: all 0.3s ease-in-out;
}

/* Adjust opacity for nested levels */
.chord-hexagon.nested .connection {
    opacity: 0.6;
}

.chord-hexagon.nested .chord {
    opacity: 0.9;
}

.chord-hexagon.nested .root-note-display {
    opacity: 0.8;
}

/* Mobile-friendly styles */
@media (max-width: 768px) {
    .sound-controls {
        transform: translateX(-100%);
    }

    .sound-controls.collapsed {
        transform: translateX(-100%);
    }

    .sound-controls:not(.collapsed) {
        transform: translateX(0);
    }

    .sidebar-trigger {
        top: 1rem;
        left: 1rem !important;
    }

    .container {
        flex-direction: column;
    }

    .chord-display {
        height: calc(100vh - var(--header-height, 60px));
        margin-top: var(--header-height, 60px);
    }
}

/* Tablet styles */
@media (min-width: 769px) and (max-width: 1024px) {
    :root {
        --scale-factor: 0.85;
    }

    .sound-controls {
        width: 240px;
    }

    .chord-container {
        transform: scale(var(--scale-factor));
    }
}

/* Larger screens */
@media (min-width: 1025px) {
    :root {
        --scale-factor: 1;
    }
}

/* Remove sidebar toggle button styles */
.sidebar-toggle {
    display: flex;
}

/* Improve scrolling on iOS */
.sound-controls {
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: #2c3e50 transparent;
}

.sound-controls::-webkit-scrollbar {
    width: 6px;
}

.sound-controls::-webkit-scrollbar-track {
    background: transparent;
}

.sound-controls::-webkit-scrollbar-thumb {
    background-color: #2c3e50;
    border-radius: 3px;
}

/* Add safe area insets for modern mobile browsers */
@supports (padding: max(0px)) {
    .sound-controls {
        padding-top: max(20px, env(safe-area-inset-top));
        padding-bottom: max(20px, env(safe-area-inset-bottom));
        padding-left: max(20px, env(safe-area-inset-left));
        padding-right: max(20px, env(safe-area-inset-right));
    }
}

/* Ensure proper z-index stacking */
.chord-hexagon {
    z-index: 1;
}

.sound-controls {
    z-index: 1000;
}

/* Prevent text selection on touch */
.sound-controls {
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
}

/* Improve visibility on mobile */
.chord .name,
.chord .type {
    text-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
}

/* Fix for iOS audio */
html {
    cursor: pointer;
}

.control-buttons {
    display: flex;
    gap: 8px;
}

.rand-button,
.fun-button {
    background: white;
    color: black;
    border: 1px solid #333;
    border-radius: 4px;
    padding: 4px 8px;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.fun-button.active {
    background: #ff3b3b;
    color: white;
    border-color: #ff3b3b;
}

.chord.upcoming {
    opacity: 0.6;
    position: relative;
}

.chord.upcoming::after {
    content: attr(data-sequence);
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(255, 255, 255, 0.8);
    color: #333;
    padding: 2px 6px;
    border-radius: 10px;
    font-size: 12px;
}

/* Noise controls */
.noise-types {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
}

.noise-btn {
    width: 40px;
    height: 40px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: var(--button-bg);
    cursor: pointer;
    transition: all 0.2s ease;
    padding: 8px;
}

.noise-btn svg {
    width: 100%;
    height: 100%;
    fill: var(--text-color);
    transition: fill 0.2s ease;
}

.noise-btn:hover {
    border-color: var(--hover-color);
    background: var(--button-hover-bg);
}

.noise-btn.active {
    background: #34495e;
    color: #FFFFFF;
    border-color: #34495e;
}

.noise-btn.active svg {
    fill: var(--active-color);
}

/* Button group layouts */
.button-group {
    display: flex;
    gap: 8px;
    margin-bottom: 0.8rem;
    flex-wrap: wrap;
}

/* Base control button styles */
.control-button {
    width: 40px;
    height: 40px;
    border: 2px solid var(--accent-color);
    border-radius: 4px;
    background: transparent;
    color: var(--accent-color);
    padding: 8px;
    margin: 2px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.control-button:hover {
    background: rgba(52, 73, 94, 0.1);
}

.control-button.active {
    background: #34495e;
    color: #FFFFFF;
}

.control-button svg {
    width: 24px;
    height: 24px;
    stroke: currentColor;
    stroke-width: 2px;
    fill: none;
}

.control-button.active svg {
    stroke: currentColor;
}

/* Ensure ARP buttons match other controls */
.arp-btn {
    width: 48px;
    height: 48px;
    border: 2px solid var(--accent-color);
    border-radius: 4px;
    background: transparent;
    color: var(--accent-color);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    padding: 8px;
    margin: 2px;
}

.arp-btn:hover {
    background: rgba(52, 73, 94, 0.1);
}

.arp-btn.active {
    background: #34495e;
    color: #FFFFFF;
    border-color: #34495e;
}

/* Root note buttons - smaller size */
.note-btn {
    width: 40px;
    height: 40px;
    border: 2px solid var(--accent-color);
    border-radius: 4px;
    background: transparent;
    color: var(--accent-color);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    padding: 4px;
    margin: 2px;
    font-size: 14px;
}

.note-btn:hover {
    background: rgba(52, 73, 94, 0.1);
}

.note-btn.active {
    background: #34495e;
    color: #FFFFFF;
    border-color: #34495e;
}

/* Ensure consistent icon sizing */
.control-button svg,
.shape-btn svg,
.prog-btn svg,
.scale-btn svg,
.arp-btn svg,
.noise-btn svg {
    width: 24px;
    height: 24px;
    stroke: currentColor;
    stroke-width: 2px;
    fill: none;
}

.control-button.active svg {
    stroke: currentColor;
}

/* Button groups with consistent spacing */
.osc-shapes,
.progression-selector,
.scale-selector,
.arp-styles,
.noise-types {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
    flex-wrap: wrap;
    justify-content: flex-start;
}

/* Updated noise type icons */
.noise-btn[data-noise="white"] svg,
.noise-btn[data-noise="pink"] svg,
.noise-btn[data-noise="brown"] svg {
    fill: none;
    stroke: currentColor;
}

/* Media query for touch devices */
@media (hover: none) {
    .control-button,
    .shape-btn,
    .prog-btn,
    .scale-btn,
    .arp-btn,
    .noise-btn,
    .note-btn {
        width: 44px;
        height: 44px;
    }
}

.control-button.active,
.shape-btn.active,
.prog-btn.active,
.scale-btn.active,
.arp-btn.active,
.noise-btn.active {
    background: #1a2634;
    color: #FFFFFF;
    border-color: #1a2634;
}

.control-button.active svg,
.shape-btn.active svg,
.prog-btn.active svg,
.scale-btn.active svg,
.arp-btn.active svg,
.noise-btn.active svg {
    stroke: currentColor;
    fill: var(--active-color);
    fill-opacity: 0.3;
}

/* Remove any conflicting active states */
.shape-btn.active,
.prog-btn.active,
.scale-btn.active,
.arp-btn.active,
.noise-btn.active {
    background: #1a2634;
    color: #FFFFFF;
    border-color: #1a2634;
}

.shape-btn.active svg,
.prog-btn.active svg,
.scale-btn.active svg,
.arp-btn.active svg,
.noise-btn.active svg {
    stroke: currentColor;
    fill: var(--active-color);
    fill-opacity: 0.3;
}

/* Shake animations for FUN mode */
@keyframes shake-light {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(1px, 1px) rotate(0.5deg); }
    50% { transform: translate(-1px, -1px) rotate(-0.5deg); }
    75% { transform: translate(1px, -1px) rotate(0.5deg); }
}

@keyframes shake-medium {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(2px, 2px) rotate(1deg); }
    50% { transform: translate(-2px, -2px) rotate(-1deg); }
    75% { transform: translate(2px, -2px) rotate(1deg); }
}

@keyframes shake-strong {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(3px, 3px) rotate(1.5deg); }
    50% { transform: translate(-3px, -3px) rotate(-1.5deg); }
    75% { transform: translate(3px, -3px) rotate(1.5deg); }
}

/* Add iOS-specific fixes */
@supports (-webkit-touch-callout: none) {
    html, body {
        height: -webkit-fill-available;
    }

    .container {
        min-height: -webkit-fill-available;
    }

    /* Prevent elastic scrolling */
    body {
        position: fixed;
        width: 100%;
        height: 100%;
        overflow: hidden;
        -webkit-overflow-scrolling: touch;
    }

    /* Improve touch response */
    .chord,
    .control-button,
    .shape-btn,
    .prog-btn,
    .scale-btn,
    .arp-btn,
    .noise-btn {
        touch-action: manipulation;
        -webkit-tap-highlight-color: transparent;
    }

    /* Fix input range styling */
    input[type="range"] {
        -webkit-appearance: none;
        background: transparent;
    }

    input[type="range"]::-webkit-slider-thumb {
        -webkit-appearance: none;
    }
}

/* Firefox specific fixes */
@-moz-document url-prefix() {
    .sound-controls {
        scrollbar-width: thin;
        scrollbar-color: var(--accent-color) transparent;
    }

    input[type="range"] {
        background: #eee;
    }
}

/* Chrome specific fixes */
@media screen and (-webkit-min-device-pixel-ratio: 0) {
    .sound-controls::-webkit-scrollbar {
        width: 6px;
    }

    .sound-controls::-webkit-scrollbar-track {
        background: transparent;
    }

    .sound-controls::-webkit-scrollbar-thumb {
        background-color: var(--accent-color);
        border-radius: 3px;
    }
}

.oscilloscope-container {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 1rem;
    padding: 8px;
    background: #f5f5f5;
    border-radius: 4px;
}

.oscilloscope {
    width: 100%;
    height: 32px;
    border-radius: 2px;
    opacity: 0.9;
}

.sidebar-trigger {
    position: fixed;
    top: 2rem;
    left: 1rem;
    z-index: 1000;
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 4px;
    background: rgba(44, 62, 80, 0.9);
    color: white;
    font-size: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.sidebar-trigger:hover {
    background: rgba(44, 62, 80, 1);
    transform: scale(1.05);
}