/* The reading catalog (/reading). Card styles (.ex-card) live in app.css — the home page uses them too. */
.catalog { max-width: 1180px; margin: 0 auto; padding-top: 32px; padding-bottom: 48px; }
.catalog-head {
    display: flex; align-items: center; gap: 24px; justify-content: space-between;
    background: linear-gradient(120deg, var(--teal-soft), var(--sky-soft));
    border-radius: var(--radius-lg); padding: 28px 32px; margin-bottom: 20px;
}
.catalog-head img { width: 180px; flex: none; border-radius: var(--radius); }
.catalog-title { font: 800 2rem/1.15 var(--display); margin: 0; }
.catalog-sub { color: var(--muted); margin: 6px 0 0; font-size: 1.05rem; }
@media (max-width: 640px) { .catalog-head img { display: none; } .catalog-head { padding: 22px; } }

.catalog-filters {
    background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-lg);
    padding: 18px 20px; margin-bottom: 22px; box-shadow: var(--shadow-1);
}
.filter { border: 0; padding: 0; margin: 0 0 14px; }
.filter legend { font: 800 .72rem var(--ui); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { position: relative; }
.chip input { position: absolute; opacity: 0; pointer-events: none; }
.chip span {
    display: inline-block; border: 2px solid var(--line); border-radius: var(--radius-pill);
    padding: 5px 14px; font: 700 .88rem var(--ui); cursor: pointer; background: var(--paper);
    transition: background .15s, border-color .15s, color .15s;
}
.chip span:hover { border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); }
.chip input:checked + span { background: var(--accent); border-color: var(--accent); color: var(--accent-contrast); }
.chip input:focus-visible + span { outline: 3px solid color-mix(in srgb, var(--accent) 55%, transparent); outline-offset: 2px; }
.filter-row { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; padding-top: 4px; }
.filter-select { display: flex; gap: 8px; align-items: center; font: 700 .88rem var(--ui); color: var(--muted); }
.filter-select select {
    font: 700 .9rem var(--ui); padding: 7px 12px; border: 2px solid var(--line); border-radius: var(--radius-pill);
    background: var(--paper); color: var(--fg);
}
.filter-check { display: flex; gap: 8px; align-items: center; font: 700 .9rem var(--ui); }
.filter-check input { accent-color: var(--accent); width: 18px; height: 18px; }
.catalog-count { color: var(--muted); font-weight: 700; margin: 0 0 12px; }
.catalog-status {
    padding: 36px; text-align: center; color: var(--muted); font-weight: 700;
    border: 2px dashed var(--line); border-radius: var(--radius-lg);
}
/* Three cards per row on desktop, two on tablets, one on phones. */
.catalog-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
@media (max-width: 960px) { .catalog-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 600px) { .catalog-grid { grid-template-columns: 1fr; } }
.catalog-pager { display: flex; gap: 12px; align-items: center; justify-content: center; margin-top: 28px; font-weight: 700; }