/* reflection and refraction.html specific styles */

body {
    font-family: 'Microsoft YaHei', sans-serif;
    padding: 20px;
    background-color: #f5f5f5;
}

h1 {
    color: black;
    font-size: 2.5rem;
    margin-bottom: 10px;
    text-align: center;
    font-weight: normal;
}

header {
    text-align: center;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 2px solid #999;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    background-color: white;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.canvas-container {
    position: relative;
    margin: 20px auto;
    width: 600px;
    height: 400px;
}

canvas {
    border: 1px solid #ddd;
    background-color: white;
    border-radius: 5px;
}

.controls {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 20px;
}

.control-group {
    flex: 1;
    min-width: 200px;
}

label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    color: #34495e;
}

input[type="range"] {
    width: 100%;
}

select {
    width: 100%;
    padding: 8px;
    border-radius: 4px;
    border: 1px solid #ddd;
}

.value-display {
    text-align: center;
    font-size: 14px;
    color: black;
}

.explanation {
    margin-top: 30px;
    padding: 15px;
    background-color: #f0f8ff;
    border-radius: 5px;
    border-left: 5px solid #3498db;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

th, td {
    border: 1px solid #ddd;
    padding: 8px;
    text-align: left;
}

th {
    background-color: #f2f2f2;
}

/* Mobile responsive styles */
@media (max-width: 768px) {
    body {
        padding: 10px;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    .canvas-container {
        width: 100%;
        max-width: 100%;
        height: auto;
        overflow: hidden;
    }
    
    canvas {
        width: 100%;
        height: auto;
        max-width: 100%;
        display: block;
    }
    
    .controls {
        flex-direction: column;
        gap: 15px;
    }
    
    .control-group {
        min-width: auto;
        width: 100%;
    }
    
    .container {
        padding: 15px;
    }
    
    table {
        font-size: 14px;
    }
    
    th, td {
        padding: 6px;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.8rem;
    }
    
    .canvas-container {
        margin: 15px auto;
    }
    
    .container {
        padding: 10px;
    }
    
    .explanation {
        padding: 10px;
        margin-top: 20px;
    }
}