/* ===== พื้นที่แลกเปลี่ยนเรียนรู้ (community) ===== */
:root {
  --com-primary: #014198;
  --com-accent-dark: #D97900;
  --com-ink: #07336D;
  --com-body: #2A3548;
  --com-muted: #6E7891;
  --com-border: #E4E8EF;
}

/* Hero + dashboard */
.community-hero {
  background: linear-gradient(135deg, #014198 0%, #1762C7 100%);
  border-radius: 16px;
  padding: 26px 28px;
  color: #fff;
  position: relative;
  overflow: hidden;
  margin-bottom: 20px;
}
.community-hero::before {
  content: ''; position: absolute; top: -40px; right: -40px;
  width: 180px; height: 180px; border-radius: 999px; background: rgba(245, 155, 35, .15);
}
.community-hero::after {
  content: ''; position: absolute; bottom: -50px; left: -30px;
  width: 200px; height: 200px; border-radius: 999px; background: rgba(255, 255, 255, .05);
}
.community-hero-content { position: relative; z-index: 1; }
.community-hero-tag {
  font-size: 11px; font-weight: 700; padding: 3px 12px; border-radius: 999px;
  background: var(--com-accent-dark); color: #fff; display: inline-block; margin-bottom: 10px;
}
.community-hero-title { font-size: 26px; font-weight: 800; line-height: 1.2; margin-bottom: 8px; }
.community-hero-sub { font-size: 14px; opacity: .9; line-height: 1.5; max-width: 560px; }
.community-hero-stats { display: flex; gap: 32px; margin-top: 16px; flex-wrap: wrap; }
.community-stat strong { display: block; font-size: 24px; font-weight: 800; color: #F59B23; line-height: 1; }
.community-stat span { font-size: 12px; opacity: .85; }

/* Section header */
.community-sec-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.community-sec-title { font-size: 18px; font-weight: 800; color: var(--com-ink); }

/* Filter chips */
.community-filters { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 6px; margin-bottom: 16px; }
.community-filters::-webkit-scrollbar { display: none; }
.community-chip {
  padding: 7px 15px; border-radius: 999px; background: #fff; border: 1px solid var(--com-border);
  font-size: 12px; font-weight: 700; color: var(--com-muted); white-space: nowrap; cursor: pointer;
  font-family: inherit; transition: all .15s; flex-shrink: 0;
}
.community-chip:hover { border-color: var(--com-primary); color: var(--com-primary); }
.community-chip.active { background: var(--com-primary); color: #fff; border-color: var(--com-primary); }

.community-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.community-card {
  background: #fff;
  border: 1px solid var(--com-border);
  border-radius: 14px;
  overflow: hidden;
  transition: transform .15s, box-shadow .15s;
  display: flex;
  flex-direction: column;
}
.community-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 24px rgba(7, 51, 109, .1);
}

.community-card-photo {
  aspect-ratio: 4 / 3;
  background: #E8F1FF;
  position: relative;
  overflow: hidden;
}
.community-card-photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.community-card-multi {
  position: absolute; top: 8px; right: 8px;
  background: rgba(0, 0, 0, .7); color: #fff;
  font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 999px;
}

.community-card-body { padding: 12px 14px 14px; display: flex; flex-direction: column; flex: 1; }
.community-card-event {
  font-size: 11px; font-weight: 700; color: var(--com-accent-dark);
  margin-bottom: 6px; line-height: 1.4;
}
.community-card-caption {
  font-size: 13px; color: var(--com-body); line-height: 1.55;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical;
  overflow: hidden; margin-bottom: 10px;
}
.community-card-foot {
  margin-top: auto; border-top: 1px solid var(--com-border); padding-top: 8px;
  font-size: 11px; color: var(--com-muted); line-height: 1.6;
}
.community-card-author { font-weight: 600; color: var(--com-ink); }

.community-empty {
  text-align: center; padding: 60px 20px; color: var(--com-muted); font-size: 15px;
}

.community-note {
  margin-top: 22px; padding: 14px 18px; background: #E8F1FF; border-radius: 12px;
  font-size: 13px; color: var(--com-body); display: flex; align-items: center; gap: 10px; line-height: 1.5;
}
.community-note strong { color: var(--com-primary); }

@media (max-width: 991px) {
  .community-grid { grid-template-columns: repeat(3, 1fr); gap: 12px; }
}
@media (max-width: 767px) {
  .community-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
}
@media (max-width: 479px) {
  .community-grid { grid-template-columns: 1fr; }
}