body {
    margin: 0;
    overflow: hidden;
    background-color: #111;
    font-family: Arial, sans-serif;
    color: white;
    touch-action: none;
}

canvas {
    display: block;
    will-change: transform;
}

#menuToggle {
    position: fixed;
    z-index: 2000;
    top: 1rem;
    right: 1rem;
    background-color: rgba(40, 40, 40, 0.75);
    color: white;
    border: none;
    border-radius: 50%;
    width: 3rem;
    height: 3rem;
    font-size: 1.8rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.5);
    -webkit-tap-highlight-color: transparent;
    outline: none;
}

#homeButton {
    position: fixed;
    z-index: 2000;
    top: 1rem;
    left: 1rem;
    background-color: rgba(40, 40, 40, 0.75);
    color: white;
    border: none;
    border-radius: 50%;
    width: 3rem;
    height: 3rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.5);
    -webkit-tap-highlight-color: transparent;
    outline: none;
    opacity: 0;
    pointer-events: none;
    padding: 0;
}

#homeButton svg {
    width: 1.8rem;
    height: 1.8rem;
}

#homeButton.visible {
    opacity: 1;
    pointer-events: auto;
}

#homeButton:hover {
    background-color: rgba(60, 60, 60, 0.75);
}

#homeButton:hover svg path {
    fill: #ffffff;
}

#menuToggle.attract-mode {
    background-color: rgba(100, 149, 237, 0.75);
}

/* Music Button */
#musicButton {
    position: fixed;
    z-index: 2000;
    bottom: 2.6rem; /* Position above zotsCounter */
    left: 0.6rem;
    background-color: rgba(40, 40, 40, 0.75);
    color: white;
    border: none;
    border-radius: 50%;
    width: 3rem;
    height: 3rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.5);
    -webkit-tap-highlight-color: transparent;
    outline: none;
    opacity: 0;
    pointer-events: none;
    padding: 0;
}

#musicButton svg {
    width: 1.8rem;
    height: 1.8rem;
}

#musicButton.visible {
    opacity: 1;
    pointer-events: auto;
}

#musicButton:hover {
    background-color: rgba(60, 60, 60, 0.75);
}

#musicButton:hover svg path {
    fill: #ffffff;
}

/* Active state - when music is playing */
#musicButton.active {
    background-color: rgba(76, 175, 80, 0.75); /* Green when active */
}

/* Muted state - when music is muted */
#musicButton.muted {
    background-color: rgba(244, 67, 54, 0.75); /* Red when muted */
}

.fps {
    position: absolute;
    bottom: 0.6rem;
    right: 0.6rem;
    background-color: rgba(0, 0, 0, 0.5);
    padding: 0.3rem;
    border-radius: 0.2rem;
    font-size: 0.8rem;
}

/* Controls panel styling */
.controls {
    position: absolute;
    top: 0.6rem;
    left: 0.6rem;
    background-color: rgba(0, 0, 0, 0.35);
    padding: 0.7rem;
    border-radius: 0.3rem;
    user-select: none;
    transition: opacity 0.3s ease;
    width: 18rem;
    max-height: 85vh;
    overflow-y: auto;
    overflow-x: visible;
    z-index: 1000;
}

.controls.collapsed {
    width: 0;
    height: 0;
    padding: 0;
    border: none;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
}

.controls h1 {
    margin-top: 0;
    font-size: 1.1rem;
    margin-bottom: 0.6rem;
}

.control-group {
    margin-bottom: 0.15rem;
    position: relative;
}

label {
    display: inline-block;
    width: 100%;
    font-size: 0.9rem;
    cursor: pointer;
}

input[type="range"] {
    width: 100%;
    vertical-align: middle;
    margin-top: 0.2rem;
    margin-bottom: 0.2rem;
}

.value-display {
    display: inline-block;
    min-width: 2rem;
    font-size: 0.9rem;
    padding-left: 0.2rem;
}

button {
    margin-top: 0.4rem;
    padding: 0.4rem 0.75rem;
    background-color: #4CAF50;
    border: none;
    border-radius: 0.3rem;
    color: white;
    cursor: pointer;
    margin-right: 0.5rem;
    font-size: 0.9rem;
}

button:hover {
    background-color: #3e8e41;
}

.section-divider {
    border-top: 1px solid #444;
    margin: 0.6rem 0;
}

.section-title {
    font-size: 0.85rem;
    margin: 0.4rem 0;
    color: #aaa;
}

select {
    padding: 0.3rem;
    border-radius: 0.3rem;
    background-color: #222;
    color: white;
    border: 1px solid #444;
    width: 100%;
    font-size: 0.9rem;
    height: 2rem;
    margin-bottom: 0.5rem;
}

select:focus {
    outline: none;
    border-color: #4CAF50;
}

/* Parameter group styles */
.param-group {
    display: none;
}

.param-group.active {
    display: block;
}

/* Enhanced slider appearance based on SourceCodeBase */
.slider-overlay-container {
    position: relative;
    margin-bottom: 0.3rem;
    height: 2.2rem;
    display: flex;
    align-items: center;
    padding: 0 2.6rem; /* Add padding to make room for buttons */
}

/* Slider increment/decrement buttons */
.slider-button {
    position: absolute;
    width: 2.5rem;
    height: 2.5rem;
    background-color: #FF5722; /* Bright orange */
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.8rem; /* Much larger font */
    font-weight: bold;
    cursor: pointer;
    box-shadow: 0 0 15px rgba(255, 87, 34, 0.9); /* Strong glow */
    z-index: 100; /* Very high z-index */
    user-select: none;
    transition: transform 0.1s ease, background-color 0.2s ease;
    border: 3px solid white; /* Thicker white border */
    top: 50%;
    transform: translateY(-50%);
}

.slider-button:hover {
    background-color: #FF8A65; /* Lighter orange on hover */
    transform: translateY(-50%) scale(1.1);
}

.slider-button:active {
    transform: translateY(-50%) scale(0.95);
}

.slider-button.disabled {
    opacity: 0.5;
    background-color: #888;
    cursor: not-allowed;
    transform: translateY(-50%);
    box-shadow: 0 0 3px rgba(0, 0, 0, 0.3);
}

.slider-button.decrease {
    left: -1.2rem; /* Position far to the left */
}

.slider-button.increase {
    right: -1.2rem; /* Position far to the right */
}

.slider-overlay-label {
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%);
    left: 50%;
    color: white;
    font-size: 0.75rem;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.8);
    pointer-events: none;
    z-index: 2;
    line-height: 1;
    transition: top 0.2s ease-out; /* Added for smooth movement */
}

.slider-overlay-value {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    right: 0.6rem;
    color: white;
    font-size: 0.75rem;
    font-weight: bold;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.8);
    pointer-events: none;
    z-index: 2;
    line-height: 1;
    display: block; /* Show slider values */
}

/* Custom styling for the slider with label overlay */
.slider-with-overlay {
    width: 100%;
    height: 2.2rem !important;
    background-color: transparent !important;
    border-radius: 0.3rem;
    margin: 0 !important;
    padding: 0 !important;
    -webkit-appearance: none;
    appearance: none;
    position: relative;
}

/* Track styling */
.slider-with-overlay::-webkit-slider-runnable-track {
    height: 0.875rem !important;
    background: #444;
    border-radius: 0.25rem;
}

.slider-with-overlay::-moz-range-track {
    height: 0.875rem !important;
    background: #444;
    border-radius: 0.25rem;
}

/* Thumb styling */
.slider-with-overlay::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 1.4rem;
    height: 1.4rem;
    border-radius: 50%;
    background: #4CAF50;
    border: none;
    margin-top: calc(-0.7rem + 0.4375rem);
    cursor: pointer;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.5);
    transform: translateZ(0); /* Force hardware acceleration to fix positioning */
    will-change: transform; /* Hint to browser that transform may change */
    position: relative; /* Ensure positioning context */
}

.slider-with-overlay::-moz-range-thumb {
    width: 1.4rem;
    height: 1.4rem;
    border-radius: 50%;
    background: #4CAF50;
    border: none;
    cursor: pointer;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.5);
}

/* Double range slider for min/max values */
.range-slider-container {
    position: relative;
    height: 2.2rem;
    margin-bottom: 0.8rem;
    display: flex;
    align-items: center;
    padding: 0 2.2rem; /* Add padding to make room for buttons */
    max-width: calc(100% - 75px); /* Adjust width by moving right side 75px to the left */
    margin-right: 75px; /* Add right margin of 75px */
}

/* Position the increase button correctly for range slider */
.range-slider-container > div:last-of-type {
    right: -75px; /* Adjust position to account for the margin */
}

/* More specific selector to ensure we target the increment button */
.range-slider-container div[style*="right: -0.2rem"] {
    right: -75px !important; /* Override the inline style */
}

.range-slider {
    position: absolute;
    width: 100%;
    height: 0.875rem;
    background: #444;
    border-radius: 0.25rem;
    top: 50%;
    transform: translateY(-50%);
}

.range-slider-container .slider-overlay-label {
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%);
    left: 50%;
    color: white;
    font-size: 0.75rem;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.8);
    pointer-events: none;
    z-index: 3;
    line-height: 1;
}

.range-slider-container .slider-overlay-value {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    right: 0.6rem;
    color: white;
    font-size: 0.75rem;
    font-weight: bold;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.8);
    pointer-events: none;
    z-index: 10;
    display: block; /* Show range slider values */
}

.range-slider-min, .range-slider-max {
    position: absolute;
    width: 100%;
    background: transparent;
    -webkit-appearance: none;
    appearance: none;
    pointer-events: none;
    z-index: 2;
    height: 2.2rem;
}

.range-slider-min::-webkit-slider-thumb, .range-slider-max::-webkit-slider-thumb {
    pointer-events: all;
    -webkit-appearance: none;
    appearance: none;
    width: 1.4rem;
    height: 1.4rem;
    border-radius: 50%;
    background: #4CAF50;
    border: none;
    cursor: pointer;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.5);
}

.range-slider-min::-moz-range-thumb, .range-slider-max::-moz-range-thumb {
    pointer-events: all;
    width: 1.4rem;
    height: 1.4rem;
    border-radius: 50%;
    background: #4CAF50;
    border: none;
    cursor: pointer;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.5);
}

/* Active thumb styling for dual sliders */
.range-slider-min.active::-webkit-slider-thumb,
.range-slider-max.active::-webkit-slider-thumb {
    background-color: #ffbb00;
    box-shadow: 0 0 8px rgba(255, 187, 0, 0.7);
    transform: scale(1.1) translateZ(0);
}

.range-slider-min.active::-moz-range-thumb,
.range-slider-max.active::-moz-range-thumb {
    background-color: #ffbb00;
    box-shadow: 0 0 8px rgba(255, 187, 0, 0.7);
    transform: scale(1.1);
}

/* ZotSwarm creation UI */
.swarm-creation {
    margin-top: 1rem;
    padding: 0.5rem;
    background-color: rgba(50, 50, 50, 0.35);
    border-radius: 0.3rem;
}

/* Preset header with randomize button */
.preset-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.randomize-btn {
    padding: 0.25rem 0.6rem;
    background-color: #2c7fb8;
    color: white;
    border: none;
    border-radius: 0.3rem;
    cursor: pointer;
    font-size: 0.85rem;
    transition: background-color 0.2s;
}

.randomize-btn:hover {
    background-color: #3690c0;
}

.randomize-btn:active {
    background-color: #225ea8;
}

.swarm-letter {
    position: absolute;
    font-family: Arial, sans-serif;
    font-size: 1.5rem;
    font-weight: bold;
    color: white;
    text-shadow: 0 0 5px rgba(0, 0, 0, 0.8);
    user-select: none;
    pointer-events: none;
    z-index: 100;
    transition: opacity 0.5s ease;
}

.swarm-list {
    max-height: 10rem;
    overflow-y: auto;
    margin-top: 0.5rem;
    padding: 0.3rem;
    background-color: rgba(30, 30, 30, 0.35);
    border-radius: 0.3rem;
}

.swarm-list-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.3rem 0.5rem;
    border-bottom: 1px solid #444;
}

.swarm-list-item:last-child {
    border-bottom: none;
}

.swarm-list-item span {
    font-size: 0.85rem;
}

.swarm-list-item button {
    padding: 0.2rem 0.4rem;
    margin: 0;
    background-color: #d9534f;
    font-size: 0.8rem;
}

.swarm-list-item button:hover {
    background-color: #c9302c;
}

/* Color picker */
.color-presets-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 0.8rem;
}

.color-preset {
    width: 1.5rem;
    height: 1.5rem;
    border-radius: 50%;
    display: inline-block;
    cursor: pointer;
    border: 2px solid transparent;
    transition: transform 0.2s ease-out, box-shadow 0.2s ease-out;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.color-preset:hover {
    transform: scale(1.15);
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.5);
}

.color-preset.active {
    border-color: white;
    box-shadow: 0 0 8px rgba(255, 255, 255, 0.6);
}

/* Sparkle animation for the sparkle color theme */
@keyframes sparkleShift {
    0% {
        background-position: 0% 0%;
        box-shadow: 0 0 5px rgba(255, 255, 255, 0.5);
        opacity: 0.9;
    }
    25% {
        background-position: 100% 0%;
        box-shadow: 0 0 10px rgba(255, 255, 255, 0.7);
        opacity: 1;
    }
    50% {
        background-position: 100% 100%;
        box-shadow: 0 0 15px rgba(255, 255, 255, 0.9);
        opacity: 0.9;
    }
    75% {
        background-position: 0% 100%;
        box-shadow: 0 0 10px rgba(255, 255, 255, 0.7);
        opacity: 1;
    }
    100% {
        background-position: 0% 0%;
        box-shadow: 0 0 5px rgba(255, 255, 255, 0.5);
        opacity: 0.9;
    }
}

.sparkle-animate {
    background-size: 200% 200% !important;
    animation: sparkleShift 5s ease-in-out infinite !important;
    position: relative;
    overflow: visible !important;
    z-index: 2;
}

.sparkle-animate::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    border-radius: 50%;
    background: transparent;
    z-index: -1;
    animation: sparkleGlow 3s ease-in-out infinite alternate;
}

@keyframes sparkleGlow {
    0% {
        box-shadow: 0 0 2px #fff, 0 0 4px #fff, 0 0 6px #ffffff;
    }
    100% {
        box-shadow: 0 0 5px #fff, 0 0 10px #fff, 0 0 15px #ffffff;
    }
}

/* Touch effect styles */
.touch-ripple {
    position: absolute;
    border-radius: 50%;
    transform: scale(0);
    background-color: rgba(255, 255, 255, 0.3);
    pointer-events: none;
    z-index: 1000;
    animation: ripple-animation 0.4s linear;
}

.touch-ripple-attract {
    background-color: rgba(100, 149, 237, 0.4);
}

.touch-ripple-repel {
    background-color: rgba(255, 165, 0, 0.4);
}

@keyframes ripple-animation {
    0% {
        transform: scale(0);
        opacity: 0.5;
    }
    100% {
        transform: scale(3);
        opacity: 0;
    }
}

.touch-pulse {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    z-index: 1000;
    width: 30px;
    height: 30px;
    margin-left: -15px;
    margin-top: -15px;
    background-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
    animation: pulse-animation 1s infinite ease-in-out;
}

.touch-pulse-attract {
    background-color: rgba(100, 149, 237, 0.25);
    box-shadow: 0 0 20px rgba(100, 149, 237, 0.6);
}

.touch-pulse-repel {
    background-color: rgba(255, 165, 0, 0.25);
    box-shadow: 0 0 20px rgba(255, 165, 0, 0.6);
}

@keyframes pulse-animation {
    0% {
        transform: scale(0.8);
        opacity: 0.7;
    }
    50% {
        transform: scale(1.2);
        opacity: 0.5;
    }
    100% {
        transform: scale(0.8);
        opacity: 0.7;
    }
}

.mode-change-ripple {
    animation: mode-change-animation 0.6s cubic-bezier(0.22, 0.61, 0.36, 1);
}

@keyframes mode-change-animation {
    0% {
        transform: scale(0);
        opacity: 0.7;
    }
    50% {
        opacity: 0.5;
    }
    100% {
        transform: scale(4);
        opacity: 0;
    }
}

/* Mobile optimizations */
@media (max-width: 768px) {
    .controls {
        width: 16rem;
    }
    
    /* Enhance touch targets on sliders */
    .slider-with-overlay {
        height: 2.8rem !important;
    }
    
    .slider-with-overlay::-webkit-slider-thumb {
        width: 1.8rem;
        height: 1.8rem;
    }
    
    .slider-with-overlay::-moz-range-thumb {
        width: 1.8rem;
        height: 1.8rem;
    }
    
    /* Larger slider buttons for mobile */
    .slider-button {
        width: 2.2rem;
        height: 2.2rem;
        font-size: 1.4rem;
    }
    
    .slider-button.decrease {
        left: 0;
    }
    
    .slider-button.increase {
        right: 0;
    }
    
    /* Update container padding for larger buttons */
    .slider-overlay-container,
    .range-slider-container {
        padding: 0 2.6rem;
    }
    
    /* Enhance size range sliders */
    .range-slider-min::-webkit-slider-thumb, 
    .range-slider-max::-webkit-slider-thumb {
        width: 1.8rem;
        height: 1.8rem;
    }
    
    .range-slider-min::-moz-range-thumb, 
    .range-slider-max::-moz-range-thumb {
        width: 1.8rem;
        height: 1.8rem;
    }
    
    /* Make color presets larger for touch */
    .color-preset {
        width: 2rem;
        height: 2rem;
    }
}

/* Toggle Switch */
.toggle-control {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    margin-bottom: 0.8rem;
    width: 100%;
    min-width: 16rem;
}

.toggle-control label {
    width: auto;
}

.switch {
    position: relative;
    display: inline-block;
    width: 100px;
    height: 24px;
    overflow: visible;
}

.switch input {
    opacity: 0;
    width: 54px;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #444;
    transition: .4s;
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .4s;
}

input:checked + .slider {
    background-color: #4CAF50;
}

input:focus + .slider {
    box-shadow: 0 0 1px #4CAF50;
}

input:checked + .slider:before {
    transform: translateX(36px);
}

.slider.round {
    border-radius: 24px;
}

.slider.round:before {
    border-radius: 50%;
}

.control-description {
    font-size: 0.8rem;
    color: #999;
    margin-top: 0.25rem;
    margin-bottom: 0.5rem;
}

/* Swarm management styles */
.swarm-management {
    margin-bottom: 1rem;
}

.dropdown-with-button {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.swarm-dropdown {
    flex: 1;
    height: 2.2rem;
    margin: 0;
}

/* New styles for swarm list layout */
.swarm-list-container {
    width: 100%;
}

.swarm-list-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 0.4rem;
}

.swarm-list-header label {
    width: auto;
    margin: 0;
}

.full-width {
    width: 100%;
    box-sizing: border-box;
}

.remove-swarm-btn {
    background-color: #d32f2f;
    border: none;
    color: white;
    padding: 0.3rem 0.5rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: background-color 0.2s;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    height: auto;
}

.remove-swarm-btn:hover {
    background-color: #b71c1c;
}

.remove-swarm-btn:disabled {
    background-color: #666;
    cursor: not-allowed;
}

/* Centered overlay label for slider */
.slider-overlay-center {
    left: 50% !important;
    transform: translate(-50%, -50%) !important;
    font-weight: bold;
    z-index: 4;
    padding: 0.15rem 0.5rem;
    border-radius: 0.2rem;
    white-space: nowrap;
}

/* Button group styles */
.button-group {
    display: flex;
    justify-content: space-between;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.button-group button {
    flex: 1;
    margin-top: 0;
}

/* Clear Swarms button styles */
.clear-swarms-btn {
    background-color: #d32f2f;
    color: white;
}

.clear-swarms-btn:hover {
    background-color: #b71c1c;
}

.clear-swarms-btn.disabled {
    background-color: #666;
    cursor: not-allowed;
}

/* Toggle Switch styles */
.toggle-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
    width: 100%;
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 40px;
    height: 24px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #444;
    transition: .4s;
    border-radius: 24px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

input:checked + .toggle-slider {
    background-color: #4CAF50;
}

input:focus + .toggle-slider {
    box-shadow: 0 0 1px #4CAF50;
}

input:checked + .toggle-slider:before {
    transform: translateX(16px);
}

/* Also hide min slider value by ID */
#newSwarmMinSizeValue {
    display: block !important; /* Show min size value */
    position: absolute;
    text-align: left;
    color: white;
    font-weight: bold;
    z-index: 10;
}