/* 教研圈：同行求助社区。
   规范见 AGENTS.md：主体不用卡片堆叠；瀑布卡是「单道内容」允许的一层视觉容器
   （白底 + 1px 边框 + 6px 圆角，无阴影）；标签页选中 = 文字色 + 下划线。 */

.circle-wrap { max-width: 1080px; }

/* ===== 页头 ===== */
.cl-head { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 16px; }
.cl-head-text h1 { margin: 0; font-size: 22px; font-weight: 650; color: var(--color-text-primary); }
.cl-head .cl-sub { margin: 0; font-size: 13px; color: var(--color-text-secondary); line-height: 1.6; }
.cl-head-actions { display: flex; gap: 8px; flex-shrink: 0; }

/* 头部两行化：页头（shell 注入）标题+说明同行，下面一条工具栏行（类型 / 筛选 / 操作） */
.circle-page .app-pagehead { align-items: center; }
.circle-page .app-pagehead .head-left { display: flex; align-items: baseline; gap: 12px; }
.circle-page .app-pagehead .head-title { font-size: 18px; }
.cl-toolbar {
  display: flex; align-items: flex-end; flex-wrap: wrap; gap: 8px 16px;
  margin-bottom: 16px; border-bottom: 1px solid var(--color-border);
}
.cl-toolbar .cl-tabs { border-bottom: 0; }
.cl-toolbar .cl-selects { padding: 0 0 8px; margin-left: auto; }
.cl-toolbar .cl-head-actions { padding: 0 0 8px; }

/* ===== 文字标签页（类型筛选 / 我的三个视图） ===== */
.cl-tabs { display: flex; gap: 20px; border-bottom: 1px solid var(--color-border); }
.cl-tab {
  appearance: none; background: none; border: 0; padding: 8px 2px; cursor: pointer;
  font-size: 14px; color: var(--color-text-secondary); white-space: nowrap; flex-shrink: 0;
  border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.cl-tab:hover { color: var(--color-text-primary); }
.cl-tab.on { color: var(--color-primary); font-weight: 600; border-bottom-color: var(--color-primary); }

/* ===== 筛选行：整组换行，单个筛选不压缩 ===== */
.cl-selects { display: flex; flex-wrap: wrap; gap: 8px; padding: 12px 0 4px; }
.cl-sel { display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; flex-shrink: 0; }
.cl-sel > span { font-size: 13px; color: var(--color-text-tertiary); }
.cl-sel select {
  height: 32px; padding: 0 8px; font-size: 13px; color: var(--color-text-primary);
  border: 1px solid var(--color-border); border-radius: var(--radius-control); background: var(--color-surface);
}

/* ===== 卡片瀑布流 ===== */
.cl-feed { columns: 2; column-gap: 16px; margin-top: 12px; }
.cl-feed.single { columns: 1; }
@media (max-width: 860px) { .cl-feed { columns: 1; } }
.cl-card {
  break-inside: avoid; margin: 0 0 16px; padding: 16px; cursor: pointer;
  background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-control);
}
.cl-card:hover { border-color: var(--color-border-strong); }
.cl-card-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 8px; }
.cl-chip {
  display: inline-flex; align-items: center; padding: 1px 7px; font-size: 12px;
  color: var(--color-text-secondary); border: 1px solid var(--color-border); border-radius: 4px; white-space: nowrap; flex-shrink: 0;
}
.cl-reward { font-size: 13px; font-weight: 600; color: var(--color-warning); white-space: nowrap; flex-shrink: 0; }
.cl-card-title { margin: 0; font-size: 15px; font-weight: 600; color: var(--color-text-primary); line-height: 1.5;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cl-card-sum { margin: 6px 0 0; font-size: 13px; color: var(--color-text-secondary); line-height: 1.65;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
  white-space: pre-line; word-break: break-word; }
.cl-card-ch { margin: 8px 0 0; font-size: 12px; color: var(--color-text-tertiary);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cl-card-meta { display: flex; flex-wrap: wrap; gap: 4px 12px; margin-top: 10px; }
.cl-card-meta > span { font-size: 12px; color: var(--color-text-tertiary); white-space: nowrap; }

/* 状态：小圆点 + 文字（语义色，同层级统一用色） */
.cl-status { display: inline-flex; align-items: center; gap: 5px; }
.cl-status i { width: 6px; height: 6px; border-radius: 8px; background: currentColor; flex-shrink: 0; }
.st-open { color: var(--color-info); }
.st-accepted { color: var(--color-primary); }
.st-delivered { color: var(--color-warning); }
.st-done { color: var(--color-success); }
.st-closed, .st-removed { color: var(--color-text-tertiary); }

.cl-card-foot {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  margin-top: 12px; padding-top: 10px; border-top: 1px solid var(--color-border);
}
.cl-author { display: inline-flex; align-items: center; gap: 6px; min-width: 0; font-size: 12px; color: var(--color-text-tertiary); }
.cl-ava {
  width: 20px; height: 20px; border-radius: 8px; flex-shrink: 0; display: inline-flex; align-items: center; justify-content: center;
  background: var(--color-primary-soft); color: var(--color-primary); font-size: 12px; font-weight: 600;
}
.cl-author-name { color: var(--color-text-secondary); font-weight: 500; white-space: nowrap; }
.cl-author-school { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cl-fav {
  appearance: none; background: none; border: 0; cursor: pointer; flex-shrink: 0;
  display: inline-flex; align-items: center; gap: 4px; padding: 2px 4px;
  font-size: 12px; color: var(--color-text-tertiary);
}
.cl-fav:hover { color: var(--color-text-secondary); }
.cl-fav.on { color: var(--color-warning); }
.cl-fav.on svg { fill: currentColor; }

.cl-feed-foot { display: flex; justify-content: center; padding: 8px 0 0; }
.cl-empty { margin-top: 24px; }

/* 空状态：小线性图标 + 标题 + 一句说明 + 一个按钮，靠上居中 */
.cl-emptybox { padding: 48px 16px 32px; text-align: center; color: var(--color-text-tertiary); }
.cl-emptybox svg { display: block; margin: 0 auto 12px; }
.cl-emptybox h3 { margin: 0; font-size: 15px; font-weight: 600; color: var(--color-text-secondary); }
.cl-emptybox p { margin: 6px 0 16px; font-size: 13px; }

/* ===== 详情 ===== */
.cl-detail { max-width: 760px; margin: 0 auto; }
.cl-back { display: inline-flex; align-items: center; gap: 4px; margin-bottom: 12px; font-size: 13px; color: var(--color-text-secondary); text-decoration: none; }
.cl-back:hover { color: var(--color-primary); }
.cl-detail h2 { margin: 0 0 8px; font-size: 20px; font-weight: 650; line-height: 1.45; color: var(--color-text-primary); }
.cl-detail-meta { display: flex; flex-wrap: wrap; gap: 6px 8px; align-items: center; }
.cl-detail-meta .cl-chip { background: var(--color-surface); }
.cl-detail-body { margin: 16px 0 0; padding: 16px 0; border-top: 1px solid var(--color-border);
  font-size: 15px; line-height: 1.8; color: var(--color-text-primary); white-space: pre-line; word-break: break-word; }
.cl-detail-by { display: flex; align-items: center; gap: 6px; }
.cl-detail-sec { padding: 14px 0; border-top: 1px solid var(--color-border); font-size: 13px; color: var(--color-text-secondary); line-height: 1.7; }
.cl-detail-sec h4 { margin: 0 0 6px; font-size: 13px; font-weight: 600; color: var(--color-text-primary); }
.cl-note-item { margin: 4px 0 0; font-size: 13px; color: var(--color-text-tertiary); }
.cl-note-item b { color: var(--color-warning); font-weight: 600; }

/* 联系邮箱盒（接单双方可见，单独一层轻底色） */
.cl-contact { margin-top: 14px; padding: 12px 14px; background: var(--color-success-soft); border-radius: var(--radius-control); }
.cl-contact p { margin: 3px 0; font-size: 13px; color: var(--color-text-primary); }
.cl-contact .cl-contact-tip { color: var(--color-text-secondary); font-size: 12px; }
.cl-contact b { font-weight: 600; }

/* 操作区 */
.cl-actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; padding: 14px 0; border-top: 1px solid var(--color-border); }
.cl-actions .spacer { flex: 1; }
.cl-act-wait { font-size: 13px; color: var(--color-text-tertiary); }
.cl-report { appearance: none; background: none; border: 0; padding: 4px; cursor: pointer; font-size: 12px; color: var(--color-text-tertiary); }
.cl-report:hover { color: var(--color-error); }

/* 留言 */
.cl-msg { display: flex; gap: 10px; padding: 10px 0; border-bottom: 1px solid var(--color-border); }
.cl-msg:last-child { border-bottom: 0; }
.cl-msg-body { min-width: 0; flex: 1; }
.cl-msg-head { display: flex; gap: 8px; align-items: baseline; font-size: 12px; color: var(--color-text-tertiary); }
.cl-msg-head b { color: var(--color-text-secondary); font-weight: 600; }
.cl-msg-text { margin: 3px 0 0; font-size: 14px; line-height: 1.65; color: var(--color-text-primary); white-space: pre-line; word-break: break-word; }
.cl-msg-input { display: flex; gap: 8px; margin-top: 12px; align-items: flex-start; }
.cl-msg-input textarea { flex: 1; min-height: 40px; resize: vertical;
  border: 1px solid var(--color-border); border-radius: var(--radius-control); padding: 8px 10px;
  font-size: 14px; font-family: inherit; color: var(--color-text-primary); background: var(--color-surface); }
.cl-msg-count { font-size: 12px; color: var(--color-text-tertiary); align-self: center; }

/* ===== 发布表单 ===== */
.cl-group { padding: 16px 0; border-top: 1px solid var(--color-border); }
#clForm .cl-group:first-child { border-top: 0; padding-top: 0; }
.cl-group-h { margin-bottom: 12px; font-size: 14px; font-weight: 600; color: var(--color-text-primary); }
.cl-field { margin-bottom: 12px; min-width: 0; }
.cl-field:last-child { margin-bottom: 0; }
.cl-field > label { display: flex; align-items: baseline; gap: 8px; margin-bottom: 6px; font-size: 13px; font-weight: 500; color: var(--color-text-secondary); }
.cl-field > label i { font-style: normal; font-weight: 400; font-size: 12px; color: var(--color-text-tertiary); }
.cl-field input[type="text"], .cl-field input:not([type]), .cl-field textarea {
  width: 100%; box-sizing: border-box; padding: 8px 10px;
  border: 1px solid var(--color-border); border-radius: var(--radius-control);
  font-size: 14px; font-family: inherit; color: var(--color-text-primary); background: var(--color-surface);
}
.cl-field textarea { resize: vertical; line-height: 1.7; }
.cl-field select {
  height: 34px; padding: 0 8px; font-size: 13px;
  border: 1px solid var(--color-border); border-radius: var(--radius-control);
  background: var(--color-surface); color: var(--color-text-primary); width: 100%;
}
.cl-field-row { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 12px; }
.cl-field-row:last-child { margin-bottom: 0; }
.cl-field-row .cl-field { flex: 1; min-width: 150px; }

/* 单选按钮组（类型 / 报酬方式）：普通控件，选中 = 主色边框 + 浅底 */
.cl-opts { display: flex; flex-wrap: wrap; gap: 8px; }
.cl-opt {
  appearance: none; background: transparent; cursor: pointer; white-space: nowrap; flex-shrink: 0;
  border: 1px solid var(--color-border); border-radius: var(--radius-control);
  padding: 7px 12px; font-size: 13px; color: var(--color-text-secondary);
}
.cl-opt:hover { border-color: var(--color-border-strong); color: var(--color-text-primary); }
.cl-opt.on { border-color: var(--color-primary); color: var(--color-primary); background: var(--color-primary-soft); font-weight: 500; }

/* AI 润色 */
.cl-ai-row { display: flex; align-items: center; gap: 8px; margin-top: 8px; }
.cl-ai-btn {
  appearance: none; cursor: pointer; padding: 6px 12px;
  border: 1px solid var(--color-ai-border); border-radius: var(--radius-control);
  background: var(--color-ai-soft); color: var(--color-ai-primary); font-size: 13px; font-weight: 500;
}
.cl-ai-btn:hover { border-color: var(--color-ai-primary); }
.cl-ai-btn:disabled { opacity: 0.55; cursor: not-allowed; }
.cl-ai-btn.ghosted { background: transparent; }
.cl-ai-hint { font-size: 12px; color: var(--color-text-tertiary); }

/* 报酬 */
.cl-reward-row { display: flex; align-items: center; gap: 8px; margin-top: 10px; }
.cl-reward-row input {
  width: 120px; height: 34px; padding: 0 10px; box-sizing: border-box;
  border: 1px solid var(--color-border); border-radius: var(--radius-control);
  font-size: 14px; color: var(--color-text-primary); background: var(--color-surface);
}
.cl-reward-unit { font-size: 13px; color: var(--color-text-secondary); }
.cl-reward-hint { font-size: 12px; color: var(--color-text-tertiary); }
.cl-note { margin: 8px 0 0; font-size: 12px; color: var(--color-text-tertiary); line-height: 1.6; }

/* 防骗提示条：只做浅底，不加边框阴影 */
.cl-safety { margin: 4px 0 0; padding: 12px 14px; background: var(--color-warning-soft); border-radius: var(--radius-control);
  font-size: 13px; line-height: 1.7; color: var(--color-text-primary); }
.cl-safety b { font-weight: 600; color: var(--color-warning); }

.cl-submit { display: flex; justify-content: flex-end; align-items: center; gap: 12px; padding: 16px 0 0; }
.cl-submit .err { flex: 1; text-align: right; }

/* ===== Toast（浮层对象，允许阴影） ===== */
.cl-toast {
  position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%) translateY(8px);
  z-index: 9990; padding: 10px 16px; max-width: min(520px, calc(100vw - 32px));
  background: var(--color-text-primary); color: var(--color-surface);
  border-radius: var(--radius-overlay); font-size: 13px; line-height: 1.5;
  box-shadow: var(--shadow-overlay); opacity: 0; visibility: hidden; transition: all 0.18s ease;
}
.cl-toast.show { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }

/* 窄屏 */
@media (max-width: 720px) {
  .cl-head { flex-direction: column; }
  .cl-head-actions { width: 100%; }
  .cl-toolbar .cl-selects { margin-left: 0; }
  .cl-field-row .cl-field { min-width: 100%; }
  .cl-submit { flex-direction: column-reverse; align-items: stretch; }
  .cl-submit .err { text-align: left; }
}