@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&display=swap');

:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f0f0f0;
    --accent: #000000;
    --text: #000000;
    --border: 2px solid #000000;
    --spacing-xs: 5px;
    --spacing-sm: 10px;
    --spacing-md: 20px;
    --spacing-lg: 30px;
    --spacing-xl: 40px;
    --spacing-xxl: 60px;
    --focus-outline: 2px dashed #FF00AA; 
    --focus-outline-offset: 4px;  
}

/* Base Styles */
body {
    font-family: 'Space Grotesk', sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--bg-primary);
    color: var(--text);
    line-height: 1.2;
}
a.link{
    text-decoration: none;
    display: inline-block;
    cursor: pointer;
    border-bottom: 1px solid;
    color: var(--text);
    position: relative;
}
a.link:after{
    content: '';
    position:absolute;
    bottom:0;
    left: 0;
    width: 100%;
    height: 0;
    background: white;
    mix-blend-mode: difference;
    transition: height 0.15s;
}
a.link:hover:after{
    height: 100%;
}
a:focus,
a:focus-visible,
button:focus,
button:focus-visible,
.control-header:focus,
.control-header:focus-visible,
input[type="text"]:focus,
input[type="text"]:focus-visible,
input[type="number"]:focus,
input[type="number"]:focus-visible,
input[type="range"]:focus,
input[type="range"]:focus-visible,
input[type="color"]:focus,
input[type="color"]:focus-visible,
select:focus,
select:focus-visible,
[role="button"]:focus,
[role="button"]:focus-visible {
    outline: var(--focus-outline);
    outline-offset: var(--focus-outline-offset);
}

/* Header Styles */
.site-header {
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xxl);
    border-bottom: var(--border);
    position: relative;
}

.header-grid {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-xl);
}

.site-header h1 {
    font-size: 4rem;
    margin: 0;
    line-height: 0.9;
    font-weight: 700;
    position: relative;
}

.cursor {
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    50% { opacity: 0; }
}

.header-content {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.header-description {
    font-size: 1.5rem;
    margin: 0;
    max-width: 600px;
    line-height: 1.3;
}

.header-meta {
    display: flex;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.meta-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.meta-label {
    font-size: 0.8rem;
    font-weight: 700;
    opacity: 0.5;
}

.meta-value {
    font-size: 1rem;
    font-weight: 500;
}

/* Main Content */
.main-content {
    padding: 0 var(--spacing-xl);
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    border: var(--border);
    padding: var(--spacing-xl);
}

.layout-grid {
    display: grid;
    grid-template-columns: 350px minmax(0, 1fr);
    gap: var(--spacing-xl);
    align-items: start;
    width: 100%;
}

/* Controls Styles */
.controls {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    padding-right: var(--spacing-xl);
    position: relative;
}

.controls::after {
    content: '';
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--accent);
}

.control-section {
    background-color: var(--bg-secondary);
    border: var(--border);
    padding: var(--spacing-xl);
    position: relative;
}

.control-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: calc(var(--spacing-xl) * -1);
    margin-bottom: 0;
    padding: var(--spacing-lg);
    border-bottom: var(--border);
    background-color: var(--bg-primary);
    cursor: pointer;
    user-select: none;
}

.control-header-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.control-header:hover {
    background-color: var(--bg-secondary);
}

.control-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-in-out;
    margin: 0 calc(var(--spacing-xl) * -1);
}

.control-content-inner {
    padding: var(--spacing-xl);
}

.control-content.visible {
    max-height: 800px;
}

.expand-icon {
    transition: transform 0.3s ease;
}

.control-header.expanded .expand-icon {
    transform: rotate(180deg);
}

.control-header h3 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 700;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.control-number {
    font-size: 0.8rem;
    opacity: 0.5;
    font-weight: 400;
}

.control-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

/* Button Styles */
.button-group {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

button {
    padding: var(--spacing-sm) var(--spacing-md);
    border: var(--border);
    background-color: var(--bg-primary);
    color: var(--text);
    cursor: pointer;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.9rem;
    text-transform: uppercase;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
}

button:hover {
    transform: translate(2px, -2px);
    box-shadow: -2px 2px 0 var(--accent);
}

button:active {
    transform: translate(1px, -1px);
    box-shadow: -1px 1px 0 var(--accent);
}

/* Random and Reset Buttons */
.control-actions {
    display: flex;
    gap: var(--spacing-sm);
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(0,0,0,0.1);
    margin-top: auto;
}

.random-button {
    background-color: var(--accent);
    color: var(--bg-primary);
}

.random-button:hover {
    background-color: var(--bg-primary);
    color: var(--accent);
}

.reset-button {
    background-color: var(--bg-primary);
}

/* Range Input Styling */
.range-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.range-label {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    font-size: 0.9rem;
    text-transform: uppercase;
}

.range-inputs {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: var(--spacing-md);
}

.range-input {
    flex: 1;
    height: 8px;
    -webkit-appearance: none;
    background: var(--bg-primary);
    border: 1px solid var(--accent);
    margin: 0;
}

.range-input::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    background: var(--accent);
    border: var(--border);
    cursor: pointer;
    transition: transform 0.2s ease;
}

.range-input::-webkit-slider-thumb:hover {
    transform: scale(1.1);
}

/* Number Input Styling */
.range-value {
    width: 50px;
    text-align: center;
    font-weight: 500;
    border: var(--border);
    padding: var(--spacing-xs) var(--spacing-xs);
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.9rem;
    background: var(--bg-primary);
    -moz-appearance: textfield;
    box-sizing: border-box;
}

.range-value::-webkit-inner-spin-button,
.range-value::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* Color Controls */
.color-controls {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

select {
    width: 100%;
    padding: var(--spacing-sm);
    border: var(--border);
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.9rem;
    background-color: var(--bg-primary);
    cursor: pointer;
    text-transform: uppercase;
}

#custom-colors {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-top: var(--spacing-sm);
}

.color-inputs {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

input[type="color"] {
    width: 50px;
    height: 50px;
    padding: 2px;
    border: var(--border);
    cursor: pointer;
}

/* Output Section */
.output-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    position: sticky;
    top: var(--spacing-xl);
}

#wave-container {
    background: var(--bg-secondary);
    border: var(--border);
}

#wave-container svg {
    display: block;
    width: 100%;
    height: 100%;
}

.code-output {
    background: var(--bg-secondary);
    border: var(--border);
    margin-top: var(--spacing-xl);
}

.code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    background-color: var(--bg-primary);
    border-bottom: var(--border);
    cursor: pointer;
    user-select: none; /* Prevent text selection when clicking */
}

.code-header-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.code-header .expand-icon {
    transition: transform 0.3s ease;
}

.code-header.expanded .expand-icon {
    transform: rotate(180deg);
}

.code-content {
    max-height: 0;
    overflow: auto;
    transition: max-height 0.3s ease-in-out;
}

.code-content.visible {
    max-height: 400px;
}

.code-header h3 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 700;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.copy-button {
    border-style: dashed;
}

.copy-button:hover {
    border-style: solid;
}

pre {
    background: #1a1a1a;
    color: #ffffff;
    padding: var(--spacing-lg);
    overflow: auto;
    margin: 0;
    font-family: 'Space Grotesk', monospace;
    line-height: 1.5;
}

pre code {
    font-size: 0.85rem;
    white-space: pre-wrap;
    word-break: break-word;
}

/* Syntax highlighting */
pre code .tag {
    color: #79c0ff;
}

pre code .attr {
    color: #7ee787;
}

pre code .value {
    color: #ff7b72;
}

.truncated-value {
    cursor: pointer;
    text-decoration: underline dotted;
}

.truncated-value:hover {
    opacity: 0.8;
}



/* Randomize All Button */
.randomize-all {
    width: 100%;
    padding: var(--spacing-lg);
    font-size: 1.1rem;
    font-weight: 700;
    background-color: var(--accent);
    color: var(--bg-primary);
    border-width: 4px;
}

.randomize-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.randomize-all:hover .randomize-icon {
    animation: spinDice 0.5s ease-in-out;
}

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

/* Footer Styles */
.site-footer {
    margin-top: var(--spacing-xxl);
    padding: var(--spacing-xl);
    border-top: var(--border);
    background-color: var(--bg-secondary);
}

.footer-grid {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--spacing-xl);
}

.footer-section h4 {
    font-size: 1.2rem;
    margin: 0 0 var(--spacing-md) 0;
    text-transform: uppercase;
}

.footer-section p {
    margin: 0 0 var(--spacing-sm) 0;
    font-size: 0.9rem;
    line-height: 1.4;
}

.footer-meta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

/* Responsive Design */
@media (max-width: 1200px) {
    .header-grid, .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
}

@media (max-width: 768px) {
    .layout-grid {
        grid-template-columns: 1fr;
    }
    
    .controls {
        order: 2;
        padding-right: 0;
    }
    
    .controls::after {
        display: none;
    }
    
    .output-section {
        order: 1;
        height: auto;
        padding: 0;
    }

    .site-header h1 {
        font-size: 3rem;
    }

    .header-description {
        font-size: 1.2rem;
    }
}