:root {
    --bg-primary: #1a1a1a;
    --bg-secondary: #252525;
    --text-primary: #ffffff;
    --text-secondary: #b3b3b3;
    --accent: #7289da;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    padding-top: 80px; /* Pour laisser de l'espace pour la navbar fixe */
}

h1 {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 2rem;
}

#controls {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

button {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: var(--accent);
}

#canvas {
    border: 1px solid var(--accent);
    display: block;
    margin: 0 auto;
}

/* Style pour le toggle switch */
.switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 34px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--bg-secondary);
    transition: .4s;
    border-radius: 34px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 26px;
    width: 26px;
    left: 4px;
    bottom: 4px;
    background-color: var(--text-primary);
    transition: .4s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: var(--accent);
}

input:checked + .slider:before {
    transform: translateX(26px);
}

#boundaryType {
    margin-left: 1rem;
    color: var(--text-secondary);
}

.explanation {
    margin: 2em;
    padding: 1em;

    border-radius: 5px;
}

.explanation h3 {

    margin-bottom: 0.5em;
}

.explanation p {
    margin-bottom: 1em;
    line-height: 1.5;
}

.article-link {
    color: #ADD8E6;
    text-decoration: none;
    cursor: pointer;
}

.article-link:hover {
    text-decoration: underline;
}