/* Shared Styles for Circular Shift */
:root {
    --gap: 6px;
    --grid-max: 520px;
    --color-minus-one: linear-gradient(135deg, #667eea, #764ba2);
    --color-zero: linear-gradient(135deg, #f093fb, #f5576c);
    --color-one: linear-gradient(135deg, #4facfe, #00f2fe);
    --border-first: #00f2fe;
    --border-second: #764ba2;
    --neutral-border: #f5576c;
}

* {
    box-sizing: border-box
}

body {
    margin: 0;
    font-family: Inter, Segoe UI, Roboto, Arial, sans-serif;
    background: linear-gradient(135deg, #eef2ff 0%, #fff 100%);
    color: #222;
    min-height: 100vh;
    padding: 20px;
    display: flex;
    align-items: flex-start;
    justify-content: center;
}

.app {
    width: min(1000px, 96vw);
    max-width: 1000px;
    background: #fff;
    border-radius: 14px;
    padding: 18px;
    box-shadow: 0 10px 30px rgba(20, 20, 40, 0.08);
}

/* Typography System for Content Pages (Rules, Terms, etc.) */
.prose {
    max-width: 65ch; /* Optimal reading width */
    line-height: 1.6;
    color: #374151;
}

.prose h1 {
    font-size: 2rem;
    font-weight: 800;
    color: #111827;
    margin-bottom: 1.5rem;
    letter-spacing: -0.025em;
}

.prose h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1f2937;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.prose h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #374151;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}

.prose p {
    margin-bottom: 1.25rem;
}

.prose ul, .prose ol {
    margin-bottom: 1.25rem;
    padding-left: 1.5rem;
}

.prose li {
    margin-bottom: 0.5rem;
}

.prose strong {
    font-weight: 600;
    color: #111827;
}

.prose a {
    color: #4f46e5;
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 2px;
}

.prose a:hover {
    color: #4338ca;
}

.prose blockquote {
    border-left: 4px solid #e5e7eb;
    padding-left: 1rem;
    font-style: italic;
    color: #4b5563;
    margin: 1.5rem 0;
}

.prose img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 1.5rem 0;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

/* Footer for content pages */
.footer {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid #f3f4f6;
    font-size: 13px;
    color: #6b7280;
    text-align: center;
}

.footer a {
    color: #6b7280;
    text-decoration: none;
    margin: 0 8px;
}

.footer a:hover {
    color: #111;
}