body {
    font-family: system-ui, -apple-system, sans-serif;
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
    line-height: 1.6;
}

/* Links */
a {
    color: #1976d2;
}

a:hover {
    color: #1565c0;
}

/* Site header */
.site-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.site-header h1 {
    margin: 0;
    font-size: 1.5rem;
}

.site-header a {
    display: flex;
    align-items: center;
}

/* Navigation */
.docs-nav {
    display: flex;
    gap: 1.5rem;
    padding: 1rem 0;
    border-bottom: 1px solid #ddd;
    margin-bottom: 1.5rem;
}

.docs-nav a {
    color: #555;
    text-decoration: none;
    font-weight: 500;
    padding: 0.25rem 0;
    border-bottom: 2px solid transparent;
}

.docs-nav a:hover {
    color: #1976d2;
}

.docs-nav a.active {
    color: #1976d2;
    border-bottom-color: #1976d2;
}

/* Example intro */
.intro {
    margin-bottom: 2rem;
}

.intro p {
    margin-bottom: 0.75rem;
}

.note {
    background: #fff3cd;
    border: 1px solid #ffc107;
    border-radius: 4px;
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
    margin: 1rem 0;
}

/* Memory app container */
.memory-app {
    background: #f8fafc;
    border-radius: 8px;
    box-shadow:
        0 4px 6px rgba(0, 0, 0, 0.1),
        0 1px 3px rgba(0, 0, 0, 0.08);
    padding: 1.5rem;
}

.memory-app h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #333;
    margin: 0 0 1rem 0;
}

/* GC control */
#force-gc {
    width: 1rem;
    height: 1rem;
    cursor: pointer;
    vertical-align: middle;
}

#force-gc:disabled {
    cursor: not-allowed;
    opacity: 0.5;
}

.gc-control {
    font-size: 0.9rem;
    color: #64748b;
    margin-bottom: 1rem;
    cursor: pointer;
    margin-left: 0.5rem;
}

/* Stats display */
.stats {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem 2rem;
    padding: 0.75rem 1rem;
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    border-radius: 4px;
    font-size: 0.9rem;
    color: #1e40af;
    margin-bottom: 1rem;
}

/* Chart container */
.chart-container {
    background: white;
    border-radius: 6px;
    padding: 1rem;
    margin-bottom: 1rem;
    border: 1px solid #e2e8f0;
}

.chart-container.placeholder {
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #64748b;
    font-style: italic;
}