/* 管理后台样式。基础变量、.card / .msg / .field / .btn-row 等来自 style.css 与 app.css */

.admin-page .brand-seal { background: #3f5a52; border-color: #3f5a52; outline-color: #3f5a52; }

/* ---------- 通用零件 ---------- */

.badge {
  display: inline-block;
  padding: 3px 12px;
  border: 1px solid #bfdcd3;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 12px;
  white-space: nowrap;
}
.badge.muted { background: #f2ede4; border-color: var(--line); color: var(--ink-soft); }
.badge.red   { background: #fbeae8; border-color: #eec7c2; color: var(--danger); }

button.danger { background: var(--danger); border-color: var(--danger); color: #fff; }
button.plain.danger { background: none; border-color: transparent; color: var(--danger); }

.ghost-link {
  padding: 7px 14px;
  border: 1px solid var(--line);
  border-radius: 5px;
  color: var(--ink-soft);
  font-size: 13px;
  text-decoration: none;
}
.ghost-link:hover { border-color: var(--accent); color: var(--accent); }

.admin-page .filters {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.admin-page .filters input,
.admin-page .filters select {
  width: auto;              /* style.css 里输入框默认撑满，筛选栏要的是一排 */
  flex: 0 1 auto;
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--panel);
  color: var(--ink);
  font-size: 13px;
}
.admin-page .filters input[type="search"] { flex: 1 1 220px; min-width: 180px; max-width: 320px; }
.admin-page .filters button { flex-shrink: 0; }

.pagination {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ink-soft);
  font-size: 12px;
}
.pagination button { padding: 5px 12px; font-size: 12px; }

.list-actions { align-items: center; margin-top: 16px; }

/* 列表为空时的占位：标题一行，补充说明另起一行 */
.admin-page .empty {
  padding: 26px 16px;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.8;
  text-align: center;
}
.admin-page .empty strong { display: block; margin-bottom: 4px; color: var(--ink); font-size: 14px; }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; align-items: start; }
.two-col > .card { margin-top: 0; }

/* ---------- 表格 ---------- */

.admin-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.admin-table th, .admin-table td {
  padding: 9px 10px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  white-space: nowrap;
  vertical-align: middle;
}
.admin-table th { background: #faf7f0; color: var(--ink-soft); font-weight: 500; font-size: 12px; }
.admin-table tbody tr:hover { background: #faf7f0; }
.admin-table td .hint { display: block; margin-top: 2px; font-size: 11px; }
.admin-table .title-cell { white-space: normal; min-width: 180px; }
.admin-table .actions { white-space: nowrap; }
.admin-table .actions button { padding: 4px 10px; font-size: 12px; }
.admin-table .btn-row { gap: 6px; margin: 0; }
.admin-table .log-detail {
  white-space: normal;
  word-break: break-all;
  max-width: 420px;
  color: var(--ink-soft);
  font-size: 11px;
}

/* ---------- 题库文件夹 ---------- */

/* 左边窄窄一条目录，右边整片留给列表 */
.puzzle-workspace { grid-template-columns: minmax(190px, 250px) minmax(0, 1fr); }
/* 列表翻得再长，目录也跟着停在视线里 */
.folder-card { position: sticky; top: 16px; }
.folder-card .section-title button { padding: 4px 10px; font-size: 12px; }

.folder-tree { display: flex; flex-direction: column; gap: 2px; max-height: 68vh; overflow-y: auto; }

.folder-row {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  box-sizing: border-box;
  padding: 6px 9px;
  border: 1px solid transparent;
  border-radius: 6px;
  background: none;
  color: var(--ink);
  font: inherit;
  font-size: 13px;
  text-align: left;
  cursor: pointer;
}
.folder-row:hover { background: #faf7f0; }
.folder-row.on { border-color: var(--accent); background: var(--accent-soft); color: var(--accent); }
.folder-row.is-root { font-weight: 500; }
/* 回收站沉到最底下，和正经文件夹隔开一段 */
.folder-row.is-trash { margin-top: 8px; color: var(--ink-soft); }
.folder-row.is-trash.on { color: var(--accent); }

.folder-name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.folder-count { flex-shrink: 0; color: var(--ink-soft); font-size: 11px; font-variant-numeric: tabular-nums; }
.folder-row.on .folder-count { color: var(--accent); }
/* 还没放题的空文件夹淡一档，免得看着像丢了题 */
.folder-row.is-empty .folder-name { color: var(--ink-soft); }

.folder-book { display: flex; align-items: center; gap: 2px; }
.folder-book .folder-row { flex: 1; min-width: 0; }
.folder-toggle {
  flex-shrink: 0;
  width: 20px;
  padding: 5px 0;
  border: none;
  border-radius: 5px;
  background: none;
  color: var(--ink-soft);
  font-size: 11px;
  line-height: 1;
  cursor: pointer;
}
.folder-toggle:hover { background: #faf7f0; color: var(--ink); }

/* 子类缩进到书名下方，跟展开箭头让出的那一格对齐 */
.folder-subs { display: flex; flex-direction: column; gap: 2px; margin: 2px 0 2px 22px; }
.folder-subs .folder-row { font-size: 12px; }
.folder-hint { margin: 4px 0 4px 9px; font-size: 11px; }

/* 面包屑：贴在标题下面，说清列表里这些题来自哪儿 */
.folder-path { margin: -2px 0 12px; font-size: 12px; }

/* ---------- 每日出题 ---------- */

.daily-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.daily-toolbar input[type="date"] {
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--panel);
  color: var(--ink);
  font-size: 13px;
}

.daily-counts { display: flex; gap: 14px; margin-bottom: 16px; }
.daily-counter {
  flex: 1;
  display: flex;
  align-items: baseline;
  gap: 6px;
  padding: 12px 18px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  color: var(--ink-soft);
  font-size: 13px;
}
.daily-counter strong { margin-left: auto; font-size: 21px; color: var(--ink); font-variant-numeric: tabular-nums; }
.daily-counter small { color: var(--ink-soft); }
.daily-counter.full { border-left-color: var(--accent); background: var(--accent-soft); }
.daily-counter.full strong { color: var(--accent); }

.daily-group + .daily-group { margin-top: 20px; }
.daily-group h3 { margin: 0 0 10px; font-size: 14px; color: var(--ink-soft); font-weight: 500; }

/* 当日题单挪到工作区下方后占满整行：中局、杀法左右并排，二十道一屏看得完 */
.daily-sheet { margin-top: 18px; }
.daily-columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 14px 24px;
  align-items: start;
}
.daily-columns .daily-group + .daily-group { margin-top: 0; }
.daily-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: #faf7f0;
}
.daily-item + .daily-item { margin-top: 6px; }
.item-title { display: flex; align-items: center; gap: 10px; min-width: 0; }
.item-number {
  color: var(--ink-soft);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}
.daily-item .btn-row { margin: 0; gap: 4px; flex-shrink: 0; }
.daily-item .btn-row button { padding: 4px 9px; font-size: 12px; }

.candidate {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 12px;
  border-bottom: 1px solid var(--line);
}
.candidate small { display: block; margin-top: 2px; color: var(--ink-soft); font-size: 11px; }
.candidate button { flex-shrink: 0; padding: 5px 12px; font-size: 12px; }

.candidate-title {
  padding: 0;
  border: none;
  background: none;
  color: var(--ink);
  font: inherit;
  font-size: 13px;
  text-align: left;
  text-decoration: underline;
  text-decoration-color: var(--line);
  text-underline-offset: 3px;
  cursor: pointer;
}
.candidate-title:hover { color: var(--accent); text-decoration-color: var(--accent); }

/* ---------- 题库分类：卡片浏览（每日出题候选区） ---------- */
.candidate-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(158px, 1fr));
  gap: 10px;
  margin-top: 4px;
}
.candidate-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #faf7f0;
}
.candidate-card-main {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
  padding: 0;
  border: none;
  background: none;
  font: inherit;
  text-align: left;
  cursor: pointer;
}
.candidate-card-main .cc-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--ink);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.candidate-card-main:hover .cc-title { color: var(--accent); }
.cc-meta { font-size: 11px; color: var(--ink-soft); font-variant-numeric: tabular-nums; }
.cc-badges { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 2px; }
.cc-add { align-self: stretch; padding: 5px 12px; font-size: 12px; }
/* 正在左边预览的那一道 */
.candidate-card.is-active {
  border-color: var(--accent);
  background: var(--accent-soft);
  box-shadow: inset 3px 0 0 var(--accent);
}
.candidate-card.is-active .cc-title { color: var(--accent); }

/* ---------- 每日出题：左侧局面预览 ---------- */
.daily-preview { display: flex; flex-direction: column; }
.daily-preview .board-wrap {
  width: 100%;
  max-width: min(430px, 100%);
  margin: 0 auto 12px;
}
.preview-title {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  text-align: center;
  overflow-wrap: anywhere;
}
.preview-info { margin: 5px 0 0; text-align: center; font-variant-numeric: tabular-nums; }
.preview-badges { justify-content: center; margin-top: 8px; }
.preview-note {
  margin: 10px 0 0;
  padding: 7px 12px;
  border-left: 3px solid var(--warn);
  background: #fdf6e3;
  line-height: 1.7;
}
.preview-actions { margin-top: 12px; justify-content: center; align-items: center; gap: 8px; }
.preview-actions:last-child { margin-top: 8px; }
.preview-actions button { padding: 6px 14px; font-size: 13px; }
#preview-add { min-width: 92px; }
.daily-preview .empty { margin: auto 0; }

/* ---------- 报表指标 ---------- */

.metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; margin-bottom: 18px; }
.metric {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}
.metric span { color: var(--ink-soft); font-size: 12px; }
.metric strong { font-size: 22px; font-variant-numeric: tabular-nums; }

/* ---------- 用户详情的分栏 ---------- */

.subtabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.subtabs button {
  padding: 7px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  color: var(--ink-soft);
  font-size: 13px;
  cursor: pointer;
}
.subtabs button.on { border-color: var(--accent); background: var(--accent-soft); color: var(--accent); }

/* ---------- 作答复盘 ---------- */

.replay-layout { display: grid; grid-template-columns: minmax(280px, 360px) 1fr; gap: 20px; align-items: start; }
.replay-controls { margin-top: 12px; flex-wrap: wrap; }
.replay-subhead { margin: 16px 0 8px; font-size: 14px; }
.replay-move-on { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
@media (max-width: 860px) { .replay-layout { grid-template-columns: 1fr; } }

/* ---------- 对话框 ---------- */

.admin-dialog {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  color: var(--ink);
  padding: 22px 26px;
  box-shadow: 0 8px 44px rgba(60, 45, 20, .28);
}
.admin-dialog::backdrop { background: rgba(47, 42, 36, .45); }
.admin-dialog h3 { margin: 0; font-size: 16px; }
.editor-dialog  { width: min(900px, calc(100vw - 32px)); }
.confirm-dialog { width: min(430px, calc(100vw - 32px)); }
.confirm-dialog .hint { display: block; margin: 8px 0 16px; line-height: 1.7; }

.dialog-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 12px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--line);
}
.dialog-foot { margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--line); justify-content: flex-end; }
.confirm-dialog .dialog-foot { border-top: none; padding-top: 0; }

.locked-note {
  display: block;
  padding: 8px 12px;
  margin-bottom: 12px;
  border-left: 3px solid var(--warn);
  background: #fdf6e3;
}

/* 录题：左表单右棋盘 */
.editor-body { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(250px, .85fr); gap: 24px; align-items: start; }
.editor-fields { min-width: 0; }  /* 不设的话长 FEN 会把右边棋盘挤出去 */
.editor-preview { text-align: center; }
.editor-preview .board-wrap { margin-bottom: 8px; }
.editor-preview .btn-row { justify-content: center; margin: 10px 0; }
.editor-preview img { max-width: 100%; margin-top: 10px; border: 1px solid var(--line); border-radius: 5px; }
.check-note { margin-top: 12px; line-height: 1.7; text-align: left; }

.admin-page .field { display: block; margin-bottom: 12px; }
.admin-page .field > span { display: block; margin-bottom: 5px; font-size: 13px; }
.admin-page .field > span .hint { display: block; margin-top: 2px; font-size: 11px; font-weight: 400; }
.admin-page .field input,
.admin-page .field select,
.admin-page .field textarea {
  width: 100%;
  box-sizing: border-box;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--panel);
  color: var(--ink);
  font-size: 14px;
  font-family: inherit;
}
.admin-page .field textarea {
  resize: vertical;
  font-family: ui-monospace, "DejaVu Sans Mono", monospace;
  font-size: 13px;
}

.field-row { display: flex; gap: 12px; }
.field-row .field { flex: 1; min-width: 0; }

@media (max-width: 900px) {
  .editor-body, .two-col, .puzzle-workspace { grid-template-columns: 1fr; }
  /* 竖着排之后目录在最上面，再吸顶就挡住列表了 */
  .folder-card { position: static; }
  .folder-tree { max-height: 240px; }
  .daily-counts { flex-direction: column; }
  .metrics { grid-template-columns: repeat(2, 1fr); }
}