/* ==========================================================
   freq.css - 번호별 출현 빈도 순위표 전용 스타일시트
   (HTML 인라인 CSS 전면 분리 및 반응형 최적화)
   ========================================================== */

/* 상단 카드 헤더 컨트롤 */
.freq-header-controls {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

/* 정렬 버튼 공통 스타일 (list.css 와 통일) */
.btn-history-sort {
  background: rgba(30, 41, 59, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #94A3B8;
  padding: 8px 14px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  height: 38px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s;
  white-space: nowrap;
}

.btn-history-sort:hover {
  background: rgba(51, 65, 85, 0.85);
  color: #F8FAFC;
  border-color: rgba(255, 255, 255, 0.3);
}

.btn-history-sort.active {
  background: rgba(59, 130, 246, 0.2);
  border-color: #3B82F6;
  color: #60A5FA;
  box-shadow: 0 0 10px rgba(59, 130, 246, 0.25);
}

.btn-history-sort .sort-icon {
  font-size: 11px;
  opacity: 0.8;
}

.btn-history-sort.active .sort-icon {
  opacity: 1;
  color: #93C5FD;
}

/* 회차 범위 검색 바 박스 */
.freq-filter-bar {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
  align-items: center;
  background: rgba(15, 23, 42, 0.6);
  padding: 14px 18px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.freq-range-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.freq-range-label {
  font-size: 13.5px;
  font-weight: 700;
  color: #93C5FD;
}

.freq-round-input {
  width: 95px;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--card-border);
  color: #FFFFFF;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 700;
  text-align: center;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.freq-round-input:focus {
  border-color: #3B82F6;
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.25);
}

.freq-range-sep {
  color: #94A3B8;
  font-weight: 700;
}

.btn-freq-search {
  background: var(--primary);
  color: #FFFFFF;
  border: none;
  padding: 8px 18px;
  border-radius: 8px;
  font-size: 13.5px;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
}

.btn-freq-search:hover {
  background: #2563EB;
}

.btn-freq-search:active {
  transform: scale(0.98);
}

.btn-freq-reset {
  background: rgba(255, 255, 255, 0.06);
  color: #94A3B8;
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-freq-reset:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #FFFFFF;
}

.freq-bonus-option-wrap {
  margin-left: auto;
  display: flex;
  align-items: center;
}

.freq-bonus-checkbox-label {
  font-size: 13px;
  color: #E2E8F0;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  user-select: none;
}

/* 빈도 순위 목록 컨테이너 */
.freq-list-container {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

/* 빈도 행 아이템 */
.freq-bar-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 6px 12px;
  background: rgba(255, 255, 255, 0.02);
  border-radius: 8px;
  transition: background 0.2s;
}

.freq-bar-row:hover {
  background: rgba(255, 255, 255, 0.05);
}

.freq-rank-num {
  width: 36px;
  font-size: 12px;
  color: #64748B;
  font-weight: 700;
}

.freq-count-val {
  width: 50px;
  font-weight: 700;
  font-size: 14px;
  text-align: right;
  color: #F8FAFC;
}

.freq-rate-val {
  width: 54px;
  font-size: 12px;
  color: #94A3B8;
  text-align: right;
}

.freq-bar-track {
  flex: 1;
  height: 10px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 5px;
  overflow: hidden;
}

.freq-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #3B82F6 0%, #60A5FA 100%);
  border-radius: 5px;
  transition: width 0.4s ease;
}

/* 빈 검색 결과 안내 */
.freq-empty-result {
  text-align: center;
  padding: 40px;
  color: #94A3B8;
  font-size: 14px;
}