body {
    font-family: sans-serif;
    line-height: 1.6;
    max-width: 860px;
    margin: 0 auto;
    padding: 2rem;
    color: #222;
}

header {
    border-bottom: 2px solid #ccc;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
}

header h1 {
    margin: 0 0 0.5rem;
}

/* Tab-bar navigation */
nav.tabs {
    display: flex;
    gap: 0;
    margin: 0.5rem 0 0;
    border-bottom: 2px solid #ccc;
}

nav.tabs a {
    display: inline-block;
    padding: 0.4rem 1rem;
    text-decoration: none;
    color: #444;
    background: #f5f5f5;
    border: 1px solid #ccc;
    border-bottom: none;
    margin-bottom: -2px;
    font-size: 0.95rem;
}

nav.tabs a:hover {
    background: #e8e8e8;
    color: #000;
}

nav.tabs a.current {
    background: #fff;
    color: #000;
    font-weight: 600;
    border-color: #ccc;
    border-bottom: 2px solid #fff;
}

main {
    padding-top: 1.5rem;
}

footer {
    margin-top: 3rem;
    padding-top: 1rem;
    border-top: 1px solid #ccc;
    color: #666;
    font-size: 0.9rem;
}

section {
    margin-bottom: 2rem;
}

/* Photo cards — used in basic demo and combined page */
.gallery {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.photo-card {
    border: 1px solid #ddd;
    border-radius: 6px;
    padding: 1rem 1.25rem;
    background: #fafafa;
}

.photo-card h2 {
    margin: 0 0 0.25rem;
    font-size: 1.05rem;
}

.photo-card p {
    margin: 0;
    color: #555;
}

/* Token-highlighting in prose */
code {
    background: #f0f0f0;
    padding: 0.1em 0.4em;
    border-radius: 3px;
    font-size: 0.9em;
    white-space: nowrap;
}

pre {
    background: #f4f4f4;
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 1rem;
    overflow-x: auto;
    font-size: 0.9rem;
    line-height: 1.4;
}

/* Advanced demo: side-by-side counter vs peek comparison */
.token-demo {
    border: 1px solid #ccc;
    border-radius: 6px;
    padding: 1rem 1.25rem;
    margin: 1rem 0;
    background: #fff;
}

.token-demo h3 {
    margin: 0 0 0.5rem;
    font-size: 1rem;
}

dl {
    margin: 0;
}

dl dt {
    font-weight: 600;
    margin-top: 0.75rem;
}

dl dd {
    margin: 0.2rem 0 0 1.5rem;
    color: #444;
}

/* Category header — used in advanced multi-counter demo */
.category-header {
    background: #eee;
    border-radius: 4px;
    padding: 0.5rem 1rem;
    margin: 1.25rem 0 0.5rem;
}

.category-header h3 {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
    color: #444;
}

/* Combined page: comparison table */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
}

th, td {
    padding: 0.5rem 0.75rem;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

th {
    background: #f5f5f5;
    font-weight: 600;
}