/* riman reader.css —— 阅读页。工具栏深色 #424242 系是全站亮色基调的品类例外（ADR-0026）。 */

.rm-reader-body { background: var(--rm-reader-bg); }

/* ---- 顶/底工具栏 ---- */

.rm-rbar {
  position: fixed;
  left: 0;
  right: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  background: var(--rm-reader-bar);
  color: var(--rm-reader-bar-ink);
  padding-left: max(var(--rm-sp-3), env(safe-area-inset-left));
  padding-right: max(var(--rm-sp-3), env(safe-area-inset-right));
}

.rm-rbar-top { top: 0; height: 48px; gap: var(--rm-sp-3); }

.rm-rbar-bottom {
  bottom: 0;
  height: calc(52px + env(safe-area-inset-bottom));
  padding-bottom: env(safe-area-inset-bottom);
  justify-content: space-around;
}

.rm-rbar-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--rm-r-sm);
  color: var(--rm-reader-bar-ink);
  font-size: var(--rm-fs-16);
}

.rm-rbar-btn:active { background: rgba(255, 255, 255, .12); }

.rm-rbar-title { min-width: 0; flex: 1; line-height: 1.3; }

.rm-rbar-title strong {
  display: block;
  font-size: var(--rm-fs-14);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.rm-rbar-title span {
  display: block;
  font-size: var(--rm-fs-11);
  color: var(--rm-reader-bar-dim);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.rm-rbar-nav {
  display: inline-flex;
  align-items: center;
  gap: var(--rm-sp-1);
  padding: 8px var(--rm-sp-4);
  border-radius: 999px;
  color: var(--rm-reader-bar-ink);
  font-size: var(--rm-fs-14);
}

.rm-rbar-nav:active { background: rgba(255, 255, 255, .12); }

.rm-rbar-nav.is-off { color: var(--rm-reader-bar-off); pointer-events: none; }

/* ---- 图流 ---- */

.rm-pages {
  max-width: var(--rm-reader-max);
  margin: 0 auto;
  padding: 48px 0 calc(60px + env(safe-area-inset-bottom));
}

.rm-page {
  display: block;
  width: 100%;
  min-height: 120px;              /* 懒加载占位，避免高度塌陷导致一次性全载 */
  background: #E4E4E4;
  opacity: 0;
  transition: opacity .25s ease;
}

.rm-page.is-loaded { opacity: 1; min-height: 0; }

.rm-reader-tip {
  margin: 25vh var(--rm-sp-4) 0;
  text-align: center;
  color: var(--rm-ink-2);
  font-size: var(--rm-fs-14);
}

.rm-reader-tip .rm-btn { margin-top: var(--rm-sp-4); }

/* ---- 章节目录抽屉 ---- */

.rm-toc-drawer { position: fixed; inset: 0; z-index: 80; visibility: hidden; }

.rm-toc-drawer.is-open { visibility: visible; }

.rm-toc-mask {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, .5);
  opacity: 0;
  transition: opacity .2s ease;
}

.rm-toc-drawer.is-open .rm-toc-mask { opacity: 1; }

.rm-toc-panel {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(86vw, 360px);
  display: flex;
  flex-direction: column;
  background: var(--rm-surface);
  transform: translateX(100%);
  transition: transform .22s ease;
}

.rm-toc-drawer.is-open .rm-toc-panel { transform: none; }

.rm-toc-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--rm-sp-4);
  border-bottom: 1px solid var(--rm-line);
}

.rm-toc-head strong { font-size: var(--rm-fs-16); }

.rm-toc-head span {
  display: block;
  margin-top: 2px;
  font-size: var(--rm-fs-12);
  color: var(--rm-ink-3);
  max-width: 240px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.rm-toc-close {
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--rm-ink-2);
}

.rm-toc-list { flex: 1; overflow-y: auto; padding: var(--rm-sp-2); }

.rm-toc-item {
  display: flex;
  align-items: center;
  gap: var(--rm-sp-3);
  padding: 10px var(--rm-sp-3);
  border-radius: var(--rm-r-sm);
  font-size: var(--rm-fs-13);
  color: var(--rm-ink-2);
}

.rm-toc-item:hover { background: var(--rm-surface-2); }

.rm-toc-item.is-on { background: var(--rm-accent); color: var(--rm-accent-ink); font-weight: 600; }

.rm-toc-no { flex: none; min-width: 2.5em; color: inherit; opacity: .65; }

.rm-toc-name {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.rm-toc-now { flex: none; font-size: var(--rm-fs-11); }

/* ---- 下一话按钮 ---- */

.rm-next-chapter {
  margin-top: var(--rm-sp-6);
  padding: 0 var(--rm-sp-4) var(--rm-sp-6);
  text-align: center;
}

.rm-next-chapter-btn {
  display: inline-block;
  color: var(--rm-accent);
  font-size: var(--rm-fs-18);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.rm-next-chapter-btn:active {
  opacity: 0.7;
}