assets/css/styles.css

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

body {
    font-family: 'Courier New', monospace;
    line-height: 1.6;
    color: #333;
    background-color: #f4f4f4;
}

header {
    background: #333;
    color: #fff;
    padding: 1rem;
    text-align: center;
}

header h1 {
    font-size: 1.8rem;
}

.container {
    display: flex;
    flex-direction: column;
    padding: 1rem;
    gap: 1rem;
    max-width: 1200px;
    margin: 0 auto;
}

.viewer-container {
    position: relative;
    width: 100%;
    background: #000;
    border-radius: 8px;
    overflow: hidden;
    min-height: 400px;
}

#ascii-canvas {
    width: 100%;
    height: 100%;
    font-family: 'Courier New', monospace;
    font-size: 8px;
    line-height: 1;
    letter-spacing: 0;
    color: #fff;
    white-space: pre;
}

.loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #fff;
    font-size: 1.2rem;
}

.controls-panel {
    background: #fff;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.control-group {
    margin-bottom: 1.5rem;
}

.control-group h3 {
    margin-bottom: 0.8rem;
    border-bottom: 1px solid #eee;
    padding-bottom: 0.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
}

select, input[type="range"], button {
    width: 100%;
    padding: 0.5rem;
    margin-bottom: 1rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: inherit;
}

button {
    background: #333;
    color: #fff;
    border: none;
    cursor: pointer;
    transition: background 0.3s;
}

button:hover {
    background: #555;
}

input[type="checkbox"] {
    margin-right: 0.5rem;
}

footer {
    text-align: center;
    padding: 1rem;
    background: #333;
    color: #fff;
    margin-top: 2rem;
}

@media (min-width: 768px) {
    .container {
        flex-direction: row;
    }

    .viewer-container {
        flex: 2;
    }

    .controls-panel {
        flex: 1;
        min-width: 300px;
    }
}