/* ============================================================
   抖研AI PPT - 大纲页 / 生成进度页
   ============================================================ */

/* ---------- 大纲页三栏布局 ---------- */
.outline-layout {
  display: grid;
  grid-template-columns: 220px 1fr 320px;
  gap: 18px;
  align-items: start;
}

.outline-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 24px; gap: 16px; flex-wrap: wrap;
}
.outline-head .oh-left h2 { font-size: 24px; font-weight: 700; letter-spacing: -0.02em; }
.outline-head .oh-left .desc { color: var(--text-3); font-size: 12.5px; margin-top: 8px; line-height: 1.6; }
.outline-head .oh-left .desc a { display: inline-flex; align-items: center; gap: 4px; }
.outline-head .oh-actions { display: flex; gap: 10px; }

/* 章节树 */
.chapter-tree { padding: 16px 12px; border-radius: 16px; position: sticky; top: 20px; }
.chapter-tree .ct-title { font-size: 13px; color: var(--text-2); font-weight: 600; padding: 0 10px 12px; }
.chapter-node {
  padding: 9px 12px;
  border-radius: 9px;
  font-size: 13px;
  cursor: pointer;
  color: var(--text-2);
  display: flex; align-items: center; gap: 8px;
  transition: var(--transition);
}
.chapter-node .ui-ico { color: var(--text-3); flex-shrink: 0; }
.chapter-node:hover { background: var(--bg); color: var(--text); }
.chapter-node.active { background: var(--primary-soft); color: var(--primary); font-weight: 600; }
.chapter-node.active .ui-ico { color: var(--primary); }
.chapter-node .cn-count { margin-left: auto; font-size: 11px; color: var(--text-3); font-variant-numeric: tabular-nums; }

/* 页面列表 */
.outline-list { display: flex; flex-direction: column; gap: 10px; }
.outline-item {
  background: var(--card);
  border: 1.5px solid var(--line);
  border-radius: 14px;
  padding: 14px 16px;
  display: flex;
  gap: 12px;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  align-items: flex-start;
}
.outline-item:hover { border-color: var(--line-strong); box-shadow: var(--shadow-sm); }
.outline-item.active { border-color: var(--primary); box-shadow: inset 0 0 0 .5px var(--primary); }
.outline-item.dragging { opacity: .45; }
.outline-item.drag-over-top::before,
.outline-item.drag-over-bottom::after {
  content: '';
  position: absolute;
  left: 8px; right: 8px;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
}
.outline-item.drag-over-top::before { top: -7px; }
.outline-item.drag-over-bottom::after { bottom: -7px; }

.oi-handle {
  display: flex; align-items: center;
  color: var(--text-3);
  cursor: grab;
  padding-top: 6px;
  user-select: none;
}
.oi-num {
  width: 30px; height: 30px;
  border-radius: 9px;
  background: var(--bg);
  color: var(--text-2);
  font-weight: 600;
  font-size: 12.5px;
  font-variant-numeric: tabular-nums;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: var(--transition);
}
.outline-item.active .oi-num { background: var(--primary); color: #fff; }
.oi-body { flex: 1; min-width: 0; }
.oi-title { font-size: 13.5px; font-weight: 600; line-height: 1.4; }
.oi-msg { font-size: 12px; color: var(--text-3); margin-top: 5px; line-height: 1.5; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.oi-tags { display: flex; gap: 6px; margin-top: 8px; flex-wrap: wrap; }
.oi-actions { display: flex; flex-direction: column; gap: 4px; opacity: 0; transition: var(--transition); }
.outline-item:hover .oi-actions { opacity: 1; }
.oi-act {
  width: 26px; height: 26px;
  border: none; background: var(--bg);
  border-radius: 7px;
  cursor: pointer;
  color: var(--text-2);
  font-size: 12px;
  display: inline-flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.oi-act:hover { background: var(--primary-soft); color: var(--primary); }
.oi-act.danger:hover { background: #FDEBE8; color: var(--danger); }

.outline-add {
  border: 1.5px dashed var(--line-strong);
  border-radius: 14px;
  padding: 13px;
  display: flex; align-items: center; justify-content: center; gap: 7px;
  color: var(--text-3);
  cursor: pointer;
  font-size: 13px;
  transition: var(--transition);
}
.outline-add:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-soft); }

/* 页面详情 */
.outline-detail { padding: 22px; border-radius: 16px; position: sticky; top: 20px; max-height: calc(100vh - 120px); overflow-y: auto; }
.outline-detail .od-empty { text-align: center; color: var(--text-3); padding: 50px 10px; font-size: 12.5px; }
.od-field { margin-bottom: 16px; }
.od-field label { display: block; font-size: 13px; color: var(--text-2); font-weight: 500; margin-bottom: 7px; }
.od-field .input, .od-field .textarea, .od-field .select { font-size: 12.5px; padding: 7px 11px; }
.od-field .textarea { min-height: 56px; }
.od-source {
  background: var(--bg);
  border-radius: 9px;
  padding: 9px 11px;
  font-size: 11.5px;
  color: var(--text-2);
  line-height: 1.5;
}
.od-source b { color: var(--primary); }

/* ---------- 生成进度页 ---------- */
.progress-wrap { max-width: 780px; margin: 0 auto; }
.progress-hero {
  text-align: center;
  padding: 34px 0 26px;
}
.progress-hero h2 { font-size: 24px; font-weight: 700; letter-spacing: -0.02em; }
.progress-hero .desc { color: var(--text-3); font-size: 13px; margin-top: 10px; line-height: 1.6; }

.stage-list {
  display: flex;
  justify-content: center;
  gap: 0;
  margin: 24px 0 30px;
}
.stage-item {
  display: flex; flex-direction: column; align-items: center;
  width: 128px;
  position: relative;
}
.stage-item:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 15px;
  left: calc(50% + 22px);
  width: calc(100% - 44px);
  height: 2.5px;
  background: var(--line);
  border-radius: 2px;
}
.stage-item.done:not(:last-child)::after { background: var(--primary); }
.stage-dot {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--bg-deep);
  color: var(--text-3);
  display: flex; align-items: center; justify-content: center;
  font-size: 13px;
  z-index: 1;
  transition: var(--transition);
}
/* 未完成阶段用纯 CSS 圆点，完成后由图标替换 */
.stage-dot::before {
  content: '';
  width: 7px; height: 7px;
  border-radius: 50%;
  background: currentColor;
}
.stage-item.done .stage-dot::before { display: none; }
.stage-item.active .stage-dot {
  background: var(--primary-soft);
  color: var(--primary);
  box-shadow: 0 0 0 5px var(--primary-soft);
}
.stage-item.done .stage-dot { background: var(--primary); color: #fff; }
.stage-item.error .stage-dot { background: #FDEBE8; color: var(--danger); }
.stage-name { font-size: 12.5px; color: var(--text-2); margin-top: 10px; }
.stage-item.active .stage-name { color: var(--primary); font-weight: 600; }

.gen-pages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 16px;
}
.gen-page-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  position: relative;
  transition: var(--transition);
}
.gen-page-thumb {
  aspect-ratio: 16/9;
  background: var(--bg-deep);
  position: relative;
  display: flex; align-items: center; justify-content: center;
}
.gen-page-thumb canvas, .gen-page-thumb img { width: 100%; height: 100%; display: block; }
.gen-page-info { padding: 9px 12px 10px; }
.gen-page-title { font-size: 11.5px; font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.gen-page-status { font-size: 10.5px; margin-top: 3px; color: var(--text-3); display: flex; align-items: center; gap: 5px; }
.gen-page-status.error { color: var(--danger); }
.gen-page-status.done { color: var(--success); }
.gen-retry {
  position: absolute; top: 7px; right: 7px;
  padding: 3px 9px;
  font-size: 10.5px;
  background: rgba(255,255,255,.95);
  border: 1px solid var(--line);
  border-radius: 7px;
  cursor: pointer;
  z-index: 2;
  transition: var(--transition);
}
.gen-retry:hover { color: var(--primary); border-color: var(--primary); }

.progress-summary {
  margin-top: 28px;
  display: flex;
  justify-content: center;
  gap: 12px;
}