.sd-dir { max-width: 860px; }
.sd-filters { display: flex; flex-wrap: wrap; gap: .5rem; margin: 0 0 1.5rem; align-items: center; }
.sd-filters input[type=search] { flex: 1 1 200px; padding: .5rem .6rem; }
.sd-filters select { padding: .5rem .6rem; max-width: 100%; }
.sd-filters button { padding: .5rem 1rem; cursor: pointer; }
.sd-month { margin: 2rem 0 .75rem; font-size: 1.25rem; border-bottom: 2px solid #d0d5dd; padding-bottom: .25rem; }
.sd-card { border: 1px solid #d0d5dd; border-radius: 8px; padding: 1rem 1.25rem; margin: 0 0 1rem; }
.sd-when { font-weight: 600; margin: 0 0 .25rem; color: #3c434a; }
.sd-title { margin: 0 0 .25rem; font-size: 1.2rem; }
.sd-title a { text-decoration: none; }
.sd-tagline { margin: 0 0 .5rem; color: #50575e; }
.sd-badges { margin: .5rem 0; display: flex; flex-wrap: wrap; gap: .4rem; }
.sd-badge { background: #f0f0f1; border-radius: 999px; padding: .1rem .65rem; font-size: .8rem; }
.sd-price-free { background: #edfaef; }
.sd-price-paid { background: #fff8e5; }
.sd-topic { background: #eef3fb; }
.sd-actions { margin: .75rem 0 0; display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; }
.sd-btn { display: inline-block; background: #1d2327; color: #fff !important; padding: .45rem 1rem; border-radius: 6px; text-decoration: none; }
.sd-btn:hover { background: #2c3338; }
.sd-pager { margin: 1.5rem 0; display: flex; gap: .5rem; flex-wrap: wrap; }
.sd-pager .page-numbers { padding: .25rem .6rem; border: 1px solid #d0d5dd; border-radius: 4px; text-decoration: none; }
.sd-pager .current { background: #1d2327; color: #fff; }
.sd-empty { padding: 1rem; background: #f6f7f7; border-radius: 6px; }
.sd-notice-past { background: #fcf0f1; border: 1px solid #b32d2e; border-radius: 6px; padding: .5rem .8rem; }
.sd-speakers { columns: 2; }
@media (max-width: 600px) { .sd-speakers { columns: 1; } }