/**
 * Layout CSS — Arctic Noir Theme
 */

/* Container */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Page wrapper */
.page-wrapper, .cb-page-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}
main { flex: 1; }

/* Utility grid */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }

/* Flex utilities */
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.items-center { align-items: center; }
.gap-sm { gap: 0.5rem; }
.gap-md { gap: 1rem; }
.gap-lg { gap: 1.5rem; }

/* Section spacing */
section { position: relative; }

/* Text utilities */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 2rem; }

/* article content wrapper */
.article-content-wrapper {
    max-width: 860px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}
.article-single-container {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 2rem;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

/* Sidebar */
.sidebar { display: flex; flex-direction: column; gap: 1.5rem; }
.sidebar-box {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-xl);
    padding: 1.25rem;
}
.sidebar-title {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

@media (max-width: 900px) {
    .article-single-container { grid-template-columns: 1fr; }
    .sidebar { order: -1; }
}