* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --blue: #1a5276;
    --sand: #f5f0e8;
    --warm: #d4a745;
    --text: #2c3e50;
    --light: #ecf0f1;
    --white: #ffffff;
    --gray: #95a5a6;
}

body {
    font-family: 'DM Sans', sans-serif;
    background: var(--sand);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Header */
header {
    background: var(--blue);
    padding: 1.5rem 0;
}

.logo {
    text-decoration: none;
    color: var(--white);
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.logo .subtitle {
    font-size: 0.85rem;
    color: var(--warm);
    font-weight: 400;
}

/* Filters */
.filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 1.25rem 0;
}

.filter-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.4rem 0.85rem;
    border-radius: 2rem;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text);
    background: var(--white);
    border: 1px solid #ddd;
    transition: all 0.2s;
}

.filter-btn:hover {
    border-color: var(--blue);
    color: var(--blue);
}

.filter-btn.active {
    background: var(--blue);
    color: var(--white);
    border-color: var(--blue);
}

.filter-btn .count {
    font-size: 0.75rem;
    opacity: 0.7;
}

/* Articles grid */
.articles {
    display: grid;
    gap: 1rem;
}

.card {
    background: var(--white);
    border-radius: 0.75rem;
    overflow: hidden;
    display: grid;
    grid-template-columns: 1fr;
    transition: box-shadow 0.2s;
    border: 1px solid #e8e4dc;
}

.card:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.card-image {
    height: 180px;
    overflow: hidden;
    background: linear-gradient(135deg, var(--blue) 0%, #2980b9 100%);
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.card-image img.broken {
    display: none;
}

.placeholder-img {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--blue) 0%, #2980b9 50%, var(--warm) 100%);
    opacity: 0.6;
}

.card-body {
    padding: 1.25rem;
}

.source-tag {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--blue);
    background: rgba(26, 82, 118, 0.08);
    padding: 0.2rem 0.6rem;
    border-radius: 1rem;
    margin-bottom: 0.5rem;
}

.card h2 {
    font-size: 1.05rem;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 0.5rem;
}

.card h2 a {
    color: var(--text);
    text-decoration: none;
}

.card h2 a:hover {
    color: var(--blue);
}

.summary {
    font-size: 0.88rem;
    color: var(--gray);
    margin-bottom: 0.5rem;
}

time {
    font-size: 0.78rem;
    color: var(--gray);
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    padding: 2rem 0;
}

.pagination a {
    color: var(--blue);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
}

.pagination a:hover {
    text-decoration: underline;
}

.page-info {
    font-size: 0.85rem;
    color: var(--gray);
}

/* Empty state */
.empty {
    text-align: center;
    padding: 4rem 1rem;
    color: var(--gray);
}

/* Footer */
footer {
    margin-top: auto;
    padding: 1.5rem 0;
    text-align: center;
    font-size: 0.8rem;
    color: var(--gray);
    border-top: 1px solid #e0dbd2;
}

/* Desktop: side-by-side cards with image */
@media (min-width: 600px) {
    .card {
        grid-template-columns: 220px 1fr;
    }

    .card-image {
        height: 100%;
    }
}