:root {
    --bg: #090909;
    --panel: #111;
    --bar: #1c1208;
    --line: #8b6f3d;
    --gold: #f3d28a;
    --text: #f3e7c8;
    --muted: #d8c79e;
  }

  * { box-sizing: border-box; }

  body {
    margin: 0;
    min-height: 100vh;
    background:
      radial-gradient(circle at top, rgba(139,111,61,0.18), transparent 34%),
      linear-gradient(#1a1008, var(--bg) 55%);
    color: var(--text);
    font-family: Georgia, "Times New Roman", serif;
  }

  .topbar {
    min-height: 54px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 10px 24px;
    background: var(--bar);
    border-bottom: 1px solid var(--line);
    position: sticky;
    top: 0;
    z-index: 100;
  }

  .navlink {
    color: var(--gold);
    text-decoration: none;
    font-size: .92rem;
    white-space: nowrap;
  }

  .navlink:hover {
    text-decoration: underline;
  }

  .banner-wrap {
    max-width: 1180px;
    margin: 24px auto 0;
    padding: 0 22px;
  }

  .banner {
    width: 100%;
    max-height: 360px;
    object-fit: cover;
    object-position: center;
    display: block;
    border: 1px solid var(--line);
    border-radius: 18px;
    box-shadow: 0 0 45px rgba(0,0,0,.36);
  }

  main {
    max-width: 1100px;
    margin: 0 auto;
    padding: 26px 22px 70px;
  }

  .chapter-head {
    text-align: center;
    margin: 0 0 22px;
  }

  .chapter-line {
    color: var(--gold);
    letter-spacing: 3px;
    text-transform: uppercase;
    font-size: .95rem;
  }

  .viewer-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
  }

  .viewer-button {
    font-size: 3rem;
    color: var(--gold);
    background: transparent;
    border: none;
    cursor: pointer;
  }

  .viewer-button:hover {
    color: #ffffff;
  }

  .viewer-button:disabled {
    opacity: 0.25;
    cursor: default;
  }

  .viewer-frame {
    width: min(900px, 78vw);
    height: min(560px, 62vh);
    border: 2px solid var(--line);
    background: var(--panel);
    display: flex;
    flex-direction: column;
    box-shadow: 0 0 25px rgba(0,0,0,0.8);
  }

  .viewer-frame img {
    flex: 1;
    width: 100%;
    min-height: 0;
    object-fit: contain;
  }

.image-caption {
    padding: 12px 18px;
    background: var(--bar);
    border-top: 1px solid var(--line);
    color: var(--gold);
    text-align: center;
    font-size: 1.05rem;
    line-height: 1.5;
    white-space: pre-line;
}
  .placeholder-text {
    margin: auto;
    color: var(--line);
    font-size: 1.2rem;
  }

  .site-footer {
    background: var(--bar);
    border-top: 1px solid var(--line);
    padding: 18px 24px;
    text-align: center;
    font-size: 0.9rem;
    color: var(--muted);
  }

  .site-footer a {
    color: var(--gold);
  }

  @media (max-width: 720px) {
    .topbar {
      justify-content: center;
      flex-wrap: wrap;
    }

    .banner-wrap {
      margin-top: 14px;
      padding: 0 12px;
    }

    .banner {
      max-height: 240px;
      border-radius: 12px;
    }

    main {
      padding: 22px 12px 56px;
    }

    .viewer-wrap {
      gap: 8px;
    }

    .viewer-button {
      font-size: 2.4rem;
    }

    .viewer-frame {
      width: 100%;
      height: min(520px, 62vh);
    }
  }

.caption-sfx {
  color: #9fb5c7;
  font-style: italic;
}