/* 무료 영어 원서 전용 페이지 */
.fb-page {
  background: var(--page-bg, #F6F3EC);
  color: var(--ink);
}
.fb-wrap {
  min-height: 60vh;
}
.fb-hero {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 40px 24px 8px;
}
.fb-hero h1 {
  margin: 8px 0 12px;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(28px, 5vw, 40px);
  line-height: 1.2;
}
.fb-lead {
  margin: 0;
  max-width: 42rem;
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink-muted);
}
.fb-search {
  display: block;
  margin-top: 18px;
  max-width: 28rem;
}
.fb-search input {
  width: 100%;
  box-sizing: border-box;
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--surface, #fff);
  color: var(--ink);
  font: inherit;
  font-size: 15px;
}
.fb-search input:focus {
  outline: none;
  border-color: var(--accent);
}
.fb-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 16px;
}
.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.fb-back-top {
  position: fixed;
  right: 16px;
  bottom: 20px;
  z-index: 50;
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface, #fff);
  color: var(--ink);
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.12);
  cursor: pointer;
}
.fb-back-top[hidden] {
  display: none !important;
}
.fb-back-top:hover,
.fb-back-top:focus-visible {
  border-color: var(--accent);
  color: var(--accent);
  outline: none;
}
.fb-view-toggle {
  display: inline-flex;
  gap: 6px;
}
.fb-view-btn {
  min-height: 36px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--surface, #fff);
  color: var(--ink-muted);
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}
.fb-view-btn.is-active {
  border-color: var(--accent);
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, #fff);
}
.fb-count {
  margin: 0;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-muted);
}
.fb-section {
  padding-top: 12px;
  padding-bottom: 64px;
}
.fb-status {
  margin: 0 0 12px;
  font-size: 14px;
  color: var(--ink-muted);
}
.fb-group {
  margin: 0 0 36px;
}
.fb-group-title {
  margin: 0 0 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 800;
}
.fb-group-n {
  margin-left: 6px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-muted);
}
.fb-empty {
  margin: 24px 0;
  color: var(--ink-muted);
}

@media (max-width: 720px) {
  .fb-hero {
    padding: 28px 16px 4px;
  }
  .fb-group-title {
    font-size: 19px;
  }
}