/* Phase 1: course cards from Google Sheets (compiled Tailwind remains unchanged). */
.course-notice {grid-column:1/-1; padding:48px 20px; text-align:center; border:1px dashed #cbd5e1; background:#f8fafc; border-radius:20px; color:#475569; font-size:14px;line-height:1.8;}
.course-notice-error {color:#8b4040;background:#fff9f8;border-color:#f1c6c1;}
.course-media {position:relative; display:grid; place-items:center;height:185px;overflow:hidden;}
.course-theme-safety {background:#e5eefb; color:#294d7d;}
.course-theme-committee {background:#e9ecf4;color:#455879;}
.course-theme-emergency {background:#fff2db;color:#9f6833;}
.course-theme-other {background:#e8f5ee;color:#1f6d53;}
.course-image {position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.course-placeholder-icon {font-size:64px;line-height:1;}
.course-category-badge {position:absolute;top:18px;left:18px;max-width:calc(100% - 36px);padding:7px 12px;border-radius:999px;background:rgba(255,255,255,.95);color:#243f66;font-size:11px;font-weight:800;}
.course-meta {display:flex;flex-wrap:wrap;gap:7px;margin-top:14px; font-size:12px;color:#58677a;}
.course-meta span {border-radius:8px;padding:5px 9px;background:#f1f5f9;}