/* 2. Container & Layout Grid */
.single-post-container {
    background-color: #f8fafc; /* Soft light gray background */
    padding: 50px 0;
}
.archive-container {
    background-color: #f8fafc; /* Archive remains slate-50 */
    padding: 60px 0;
}
@media (max-width: 767px) {
    .single-post-container, .archive-container {
        padding: 30px 0;
    }
}
.single-post-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
}
.single-post-grid > * {
    min-width: 0;
}
@media (min-width: 768px) {
    .single-post-grid {
        grid-template-columns: 1.85fr 1fr;
        gap: 30px;
    }
}
@media (min-width: 1025px) {
    .single-post-grid {
        grid-template-columns: 1.63fr 1fr;
        gap: 32px;
    }
}
.single-post-grid .main-content {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    padding: 45px;
    box-shadow: 0 4px 20px rgba(15, 23, 42, 0.02);
    max-width: 100%;
    margin: 0;
}
@media (max-width: 767px) {
    .single-post-grid .main-content {
        padding: 20px;
        border-radius: 12px;
    }
}
.archive-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
}
.archive-grid > * {
    min-width: 0;
}
@media (max-width: 767px) {
    .archive-grid {
        gap: 25px;
    }
}
@media (min-width: 768px) {
    .archive-grid {
        grid-template-columns: 1.85fr 1fr;
        gap: 30px;
    }
}
@media (min-width: 1025px) {
    .archive-grid {
        grid-template-columns: 1.63fr 1fr;
        gap: 32px;
    }
}
.archive-posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}
.archive-posts-grid > * {
    min-width: 0;
}
@media (max-width: 767px) {
    .archive-posts-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-bottom: 25px;
    }
}
.archive-empty {
    text-align: center;
    padding: 40px;
    background: #ffffff;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}
.archive-empty p {
    color: var(--gray-500);
    margin: 0;
}
.archive-subtitle {
    font-size: 15px;
    opacity: 0.9;
    max-width: 600px;
    margin: 10px auto 0;
    color: #ffffff;
    line-height: 1.6;
}