.ref-cases-section .container-lg { padding-block: 20px; }

/* Toolbar */
.ref-cases-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 24px;
  margin-bottom: 28px;
}
.ref-case-search {
  display: flex;
  align-items: center;
  gap: 10px;
}
.ref-case-search .border-date { margin: 0; }
.ref-case-search .form-control { min-width: 240px; }
.ref-case-year .border-date { margin: 0; }
.ref-case-year .form-select { min-width: 150px; }
.ref-case-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}
.ref-cases-tags .news-filter-label { display: inline-flex; align-items: center; gap: 6px; }

.ref-case-chip {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--ssff-surface-muted);
  border: 1px solid var(--ssff-border);
  color: var(--ssff-text-soft);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}
.ref-case-chip:hover { background: var(--ssff-blue); border-color: var(--ssff-blue); color: #fff; }
.ref-case-chip.active { background: var(--ssff-blue); border-color: var(--ssff-blue); color: #fff; }

/* Cards */
.ref-cases-grid { margin-top: 8px; }
.ref-case-card {
  background: var(--ssff-surface);
  border: 1px solid var(--ssff-border);
  border-radius: 14px;
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
  box-shadow: 0 4px 14px rgba(0, 0, 0, .05);
  transition: transform .2s ease, box-shadow .2s ease;
}
.ref-case-card:hover { transform: translateY(-4px); box-shadow: 0 14px 30px rgba(0, 0, 0, .12); }

.ref-case-thumb {
  position: relative;
  display: block;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--ssff-dark);
}
.ref-case-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .3s ease;
}
.ref-case-card:hover .ref-case-thumb img { transform: scale(1.06); }

.ref-case-play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, .45);
  border: 2px solid rgba(255, 255, 255, .9);
  color: #fff;
  font-size: 24px;
  transition: background .2s ease, transform .2s ease;
}
.ref-case-card:hover .ref-case-play { background: var(--ssff-red); transform: translate(-50%, -50%) scale(1.1); }
.ref-case-play i { line-height: 1; }

.ref-case-season {
  position: absolute;
  top: 10px;
  left: 10px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  color: #fff;
  background: rgba(0, 3, 4, .72);
  backdrop-filter: blur(4px);
}

.ref-case-body { padding: 16px 18px 18px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.ref-case-title {
  margin: 0;
  font-size: 16px;
  line-height: 1.45;
  font-weight: 700;
  color: var(--ssff-text);
}
.ref-case-title a { color: inherit; text-decoration: none; }
.ref-case-title a:hover { color: var(--ssff-blue); }
.ref-case-tag {
  align-self: flex-start;
  margin-top: auto;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .03em;
  background: color-mix(in srgb, var(--ssff-gold) 22%, transparent);
  color: var(--ssff-blue);
  text-decoration: none;
}
.ref-case-tag:hover { color: var(--ssff-red); }

/* Detail */
.ref-case-video {
  aspect-ratio: 16 / 9;
  border-radius: 14px;
  overflow: hidden;
  background: var(--ssff-dark);
  box-shadow: 0 10px 30px rgba(0, 0, 0, .15);
}
.ref-case-video iframe { width: 100%; height: 100%; border: 0; display: block; }

.ref-case-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 18px;
}
.ref-case-meta .ref-case-season { position: static; background: var(--ssff-muted-bg); color: var(--ssff-text-soft); backdrop-filter: none; }
.ref-case-meta .ref-case-chip { text-decoration: none; }

.ref-case-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 999px;
  background: var(--ssff-blue);
  color: #fff !important;
  font-weight: 600;
  text-decoration: none;
  transition: background .2s ease;
}
.ref-case-back:hover { background: var(--ssff-dark); color: #fff !important; }

@media (max-width: 575.98px) {
  .ref-case-search { width: 100%; }
  .ref-case-search .form-control { flex: 1; min-width: 0; }
  .ref-case-year { width: 100%; }
  .ref-case-year .form-select { width: 100%; min-width: 0; }
}

/* ---- Dark theme ---- */
[data-theme="dark"] .ref-cases-section .form-control,
[data-theme="dark"] .ref-cases-section .form-select {
  color: var(--ssff-text);
  background-color: var(--ssff-surface-soft);
  border-color: var(--ssff-border);
}
[data-theme="dark"] .ref-cases-section .form-control:focus,
[data-theme="dark"] .ref-cases-section .form-select:focus {
  background-color: var(--ssff-surface);
  border-color: var(--ssff-blue);
}
[data-theme="dark"] .ref-cases-section .form-control::placeholder {
  color: var(--ssff-text-soft);
}
[data-theme="dark"] .ref-case-card:hover {
  box-shadow: 0 14px 30px rgba(0, 0, 0, .45);
}
[data-theme="dark"] .ref-case-video {
  box-shadow: 0 10px 30px rgba(0, 0, 0, .45);
}