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

:root {
    --viewport-width: 100vw;
    --viewport-height: 100vh;
    
    /* Background colors */
    --body-background: black;
    --canvas-background: transparent;
    
    /* Text colors */
    --text-primary: snow;
    --text-secondary: rgba(255, 255, 255, 0.5);
    --text-tertiary: rgba(255, 255, 255, 0.4);
    --text-hovered: rgba(255, 255, 255, 0.8);
    
    /* Card colors */
    --card-background: rgba(16, 16, 16, 0.1);
    --card-border: rgba(255, 255, 255, 0.1);
    
    /* Button primary colors */
    --button-primary-background: rgba(255, 255, 255, 0.1);
    --button-primary-background-hovered: rgba(255, 255, 255, 0.15);
    --button-primary-text: snow;
    --button-primary-border: transparent;
    
    /* Button secondary colors */
    --button-secondary-background: transparent;
    --button-secondary-background-hovered: rgba(255, 255, 255, 0.05);
    --button-secondary-text: snow;
    --button-secondary-border: rgba(255, 255, 255, 0.1);
    
    /* Seed control colors */
    --seed-control-background: transparent;
    --seed-control-background-focused: transparent;
    --seed-control-text: snow;
    --seed-control-border: rgba(255, 255, 255, 0.1);
    --seed-control-border-focused: snow;
    --seed-control-placeholder: rgba(255, 255, 255, 0.5);
    
    /* Slider colors */
    --slider-track-background: rgba(255, 255, 255, 0.1);
    --slider-thumb-background: snow;
    
    /* Link colors */
    --link-text: rgba(255, 255, 255, 0.4);
    --link-text-hovered: rgba(255, 255, 255, 0.8);
    --link-background: rgba(16, 16, 16, 0.6);
    --link-background-hovered: rgba(16, 16, 16, 0.8);
    --link-border: rgba(255, 255, 255, 0.05);
    --link-border-hovered: rgba(255, 255, 255, 0.1);
    
    /* Menu toggle colors */
    --menu-toggle-text: rgba(255, 255, 255, 0.4);
    --menu-toggle-background: rgba(16, 16, 16, 0.6);
    --menu-toggle-border: rgba(255, 255, 255, 0.05);
    
    /* Label colors */
    --label-text: rgba(255, 255, 255, 0.5);
}

@supports (width: 100dvw) and (height: 100dvh) {
    :root {
        --viewport-width: 100dvw;
        --viewport-height: 100dvh;
    }
}

body {
    font-family: 'JetBrains Mono', 'SF Mono', 'Monaco', 'Consolas', 'Courier New', monospace;
    background: var(--body-background);
    min-height: 100vh;
    color: var(--text-primary);
    overflow: hidden;
}

main {
    position: relative;
    width: var(--viewport-width);
    height: var(--viewport-height);
    margin: 0;
    padding: 0;
    display: block;
}

.canvas-container {
    position: absolute;
    top: 0;
    left: 0;
    width: var(--viewport-width);
    height: var(--viewport-height);
    background: var(--canvas-background);
    padding: 0;
    margin: 0;
}

#flowerCanvas {
    background: var(--canvas-background);
    cursor: crosshair;
    width: var(--viewport-width);
    height: var(--viewport-height);
    display: block;
}

.cards-container {
    position: fixed;
    top: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 1000;
}

.card {
    background: var(--card-background);
    border-radius: 24px;
    padding: 16px;
    backdrop-filter: blur(15px);
    border: 1px solid var(--card-border);
    height: fit-content;
    width: 240px;
}

.seed-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
}

.seed-control {
    width: 100%;
    padding: 12px 12px;
    font-size: 12px;
    font-weight: semibold;
    font-family: inherit;
    color: var(--seed-control-text);
    background: var(--seed-control-background);
    border: 1px solid var(--seed-control-border);
    border-radius: 8px;
    outline: none;
    text-align: center;
    transition: all 0.3s ease;
    
    /* Hide number input arrows */
    appearance: textfield;
    -moz-appearance: textfield;
}

/* Hide Chrome/Safari number input arrows */
.seed-control::-webkit-outer-spin-button,
.seed-control::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.seed-control:focus {
    border: 1px solid var(--seed-control-border-focused);
    background: var(--seed-control-background-focused);
}

.seed-control::placeholder {
    color: var(--seed-control-placeholder);
}

.button-primary {
    width: 100%;
    padding: 12px 12px;
    font-size: 12px;
    font-weight: semibold;
    font-family: inherit;
    color: var(--button-primary-text);
    background: var(--button-primary-background);
    border: 1px solid var(--button-primary-border);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 12px;
    touch-action: manipulation;
}

.button-primary:hover {
    background: var(--button-primary-background-hovered);
}

.button-primary:active {
    transform: scale(0.98);
}

.button-secondary {
    width: 100%;
    padding: 12px 12px;
    font-size: 12px;
    font-weight: semibold;
    font-family: inherit;
    color: var(--button-secondary-text);
    background: var(--button-secondary-background);
    border: 1px solid var(--button-secondary-border);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    touch-action: manipulation;
}

.button-secondary:hover {
    background: var(--button-secondary-background-hovered);
    border: 1px solid var(--button-secondary-border);
}

.button-secondary:active {
    transform: scale(0.98);
}

.label {
    font-weight: semibold;
    font-family: inherit;
    color: var(--label-text);
    font-size: 12px;
    margin-bottom: 12px;
    text-align: center;
}

.link {
    position: fixed;
    bottom: 28px;
    left: 20px;
    z-index: 1000;
}

.link a {
    font-family: inherit;
    font-size: 12px;
    font-weight: 400;
    color: var(--link-text);
    text-decoration: none;
    transition: all 0.3s ease;
    padding: 8px 12px;
    border-radius: 8px;
    background: var(--link-background);
    backdrop-filter: blur(10px);
    border: 1px solid var(--link-border);
}

.link a:hover {
    color: var(--link-text-hovered);
    background: var(--link-background-hovered);
    border: 1px solid var(--link-border-hovered);
    transform: translateY(-1px);
}

.options {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.option-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding-top: 6px;
    padding-bottom: 6px;
}

.option-group input[type="range"] {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--slider-track-background);
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

.option-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 4px;
    background: var(--slider-thumb-background);
    cursor: pointer;
    transition: transform 0.2s ease;
}

.option-group input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.08);
}

/* Firefox slider thumb */
.option-group input[type="range"]::-moz-range-thumb {
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 4px;
    background: var(--slider-thumb-background);
    cursor: pointer;
    border: none;
    transition: transform 0.2s ease;
}

.option-group input[type="range"]::-moz-range-thumb:hover {
    transform: scale(1.1);
}

.menu-toggle {
    display: none;
}

@media (max-width: 768px) {
    html, body {
        height: var(--viewport-height);
        overflow: hidden;
    }

    main {
        position: fixed;
        inset: 0;
        width: var(--viewport-width);
        height: var(--viewport-height);
        overflow: hidden;
    }

    .cards-container {
        bottom: 12px;
        right: 12px;
        left: 12px;
        top: auto;
        gap: 8px;
    }
    
    .card.slider {
        position: fixed;
        top: 128px;
        right: 12px;
        left: 12px;
        z-index: 999;
    }
    
    .card {
        width: auto;
        padding: 16px;
    }
    
    .card.buttons {
        display: flex;
        flex-direction: row;
        gap: 8px;
    }
    
    .button-primary, .button-secondary {
        padding: 12px 12px;
        font-size: 12px;
        font-family: inherit;
        flex: 1;
        margin-bottom: 0;
    }
    
    .seed-container {
        top: 12px;
        right: 12px;
        left: 12px;
        bottom: auto;
    }
    
    .seed-container .card {
        width: auto;
    }
    
    .link {
        bottom: 104px;
        left: 32px;
    }
    
    .link a {
        font-size: 12px;
        padding: 6px 10px;
    }

    .menu-toggle {
        display: block;
        position: fixed;
        top: 190px;
        right: 32px;
        z-index: 1001;
        transition: top 0.6s ease;
    }

    .menu-toggle-btn {
        font-family: inherit;
        font-size: 12px;
        font-weight: 400;
        color: var(--menu-toggle-text);
        text-decoration: none;
        transition: all 0.3s ease;
        padding: 6px 10px;
        border-radius: 8px;
        background: var(--menu-toggle-background);
        backdrop-filter: blur(10px);
        border: 1px solid var(--menu-toggle-border);
        cursor: pointer;
        touch-action: manipulation;
    }

    .menu-toggle-btn:active {
        transform: scale(0.98);
    }

    /* Collapsed state */
    body.menu-collapsed .seed-container {
        opacity: 0;
        pointer-events: none;
        transform: translateY(-80px);
    }

    body.menu-collapsed .card.slider {
        opacity: 0;
        pointer-events: none;
        transform: translateY(-160px);
    }

    body.menu-collapsed .menu-toggle {
        top: 12px;
    }

    /* Transition for cards - separate controls */
    .seed-container {
        transition: opacity 0.6s ease, transform 0.6s ease;
    }

    .card.slider {
        transition: opacity 0.6s ease, transform 0.6s ease;
    }
    
}