/* Dark theme for EC-Finite demo */
body {
    background-color: #1a1a2e;
    color: #e8e8e8;
}

header {
    background: #16213e;
    border-bottom-color: #0f3460;
}

header h1 {
    color: #e94560;
}

p, label {
    color: #b8b8b8;
}

input[type="number"],
textarea {
    background-color: #1a1a2e;
    color: #e8e8e8;
    border: 1px solid #394867;
    border-radius: 6px;
}

input[type="number"]:focus,
textarea:focus {
    outline: none;
    border-color: #e94560;
    box-shadow: 0 0 0 2px rgba(233, 69, 96, 0.2);
}

button {
    background: #e94560;
    color: #fff;
    border: none;
    border-radius: 6px;
    padding: 8px 16px;
    cursor: pointer;
    transition: transform 0.2s, background-color 0.2s;
}

button:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(233, 69, 96, 0.4);
}

#canvas-container canvas {
    border: 1px solid #394867;
    background-color: #16213e !important;
    border-radius: 8px;
}

div canvas {
    border-color: #394867;
}

/* MathJax text color for dark theme */
.MathJax, .mjx-chtml {
    color: #e8e8e8 !important;
}