/* Corpadian Rhythm - Retro Minimalist Style */

:root {
    --bg-color: #f5f5f0;
    --text-color: #1a1a1a;
    --accent-color: #2c3e50;
    --border-color: #333;
    --link-color: #0066cc;
    --month-color: #e74c3c;
    --week-color: #27ae60;
    --day-color: #3498db;
    --graph-bg: #ecf0f1;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Courier New', Courier, monospace;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    font-size: 16px;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px;
}

header {
    text-align: center;
    padding: 40px 20px;
    border-bottom: 3px solid var(--border-color);
    margin-bottom: 30px;
}

header h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
    font-weight: bold;
    letter-spacing: 2px;
}

.subtitle {
    font-size: 1.1em;
    color: var(--accent-color);
    font-style: italic;
}

main {
    margin-bottom: 40px;
}

/* Visualization Section */
.visualization-section {
    margin-bottom: 40px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.canvas-wrapper {
    display: flex;
    justify-content: center;
    background-color: #ffffff;
    border: 2px solid var(--border-color);
    padding: 20px;
}

#linkageCanvas {
    border: 1px solid #ccc;
    background-color: #fafafa;
    max-width: 100%;
    height: auto;
}

.controls {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
    padding: 15px;
    background-color: #ffffff;
    border: 2px solid var(--border-color);
}

button {
    padding: 10px 20px;
    background-color: var(--accent-color);
    color: var(--bg-color);
    border: 2px solid var(--border-color);
    font-family: 'Courier New', Courier, monospace;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1em;
}

button:hover {
    background-color: var(--link-color);
    transform: scale(1.05);
}

button:active {
    transform: scale(0.95);
}

.speed-control {
    display: flex;
    align-items: center;
    gap: 10px;
}

#speedSlider {
    width: 150px;
}

#speedValue {
    min-width: 50px;
    font-weight: bold;
}

/* Graph Section */
.graph-section {
    margin-bottom: 40px;
    padding: 20px;
    background-color: #ffffff;
    border: 2px solid var(--border-color);
    text-align: center;
}

#graphCanvas {
    width: 100%;
    height: auto;
    background-color: var(--graph-bg);
    border: 1px solid #ccc;
    margin-bottom: 15px;
}

.time-display {
    text-align: center;
    font-weight: bold;
    color: var(--accent-color);
}

/* Info Section */
.info-section {
    padding: 30px;
    background-color: #ffffff;
    border: 2px solid var(--border-color);
    margin-bottom: 40px;
}

.info-section h2 {
    font-size: 1.8em;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--accent-color);
    padding-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.info-section p {
    margin-bottom: 15px;
}

.info-section ul {
    list-style: none;
    margin-left: 20px;
}

.info-section li {
    padding: 8px 0;
    padding-left: 20px;
    position: relative;
}

.info-section li:before {
    content: "▸";
    position: absolute;
    left: 0;
    color: var(--link-color);
    font-weight: bold;
}

/* Footer */
footer {
    text-align: center;
    padding: 20px;
    border-top: 3px solid var(--border-color);
    font-size: 0.9em;
    color: var(--accent-color);
}

/* Legend */
.legend {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 15px;
    flex-wrap: wrap;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9em;
}

.legend-color {
    width: 20px;
    height: 3px;
    border: 1px solid #333;
}

/* Responsive Design */
@media (max-width: 768px) {
    header h1 {
        font-size: 2em;
    }

    .canvas-wrapper {
        padding: 10px;
    }

    #linkageCanvas {
        width: 100%;
        height: auto;
    }

    #graphCanvas {
        width: 100%;
        height: auto;
    }

    .controls {
        flex-direction: column;
    }

    button {
        width: 100%;
    }

    .speed-control {
        justify-content: space-between;
    }

    #speedSlider {
        flex: 1;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 10px;
    }

    header {
        padding: 20px 10px;
    }

    header h1 {
        font-size: 1.5em;
        letter-spacing: 1px;
    }

    .subtitle {
        font-size: 0.95em;
    }

    .info-section {
        padding: 15px;
    }

    .legend {
        gap: 15px;
    }
}