/* ============================================================
   AI找项目系统 前台样式（青春绿/墨绿金配色，v6 布局）
   ============================================================ */
* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --green: #2E9E5B;        /* 青春绿 主色 */
  --green-deep: #1C6E41;   /* 深绿 */
  --gold: #B98A2F;         /* 墨绿金 强调 */
  --bg: #F4F7F5;
  --card: #FFFFFF;
  --line: #E2E8E4;
  --text: #22302A;
  --text-sub: #6B7A72;
  --radius: 12px;
}
body { font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif; background: var(--bg); color: var(--text); font-size: 15px; line-height: 1.65; }

/* ---------- 顶部导航（两行：品牌行 + 菜单标签条） ---------- */
.topbar { background: #fff; border-bottom: 1px solid var(--line); display: flex; align-items: center; padding: 0 24px; height: 56px; }
.brand { display: flex; align-items: center; gap: 10px; }
.logo { width: 40px; height: 40px; border-radius: 10px; background: linear-gradient(135deg, var(--green), var(--green-deep)); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 20px; font-weight: 800; }
.brand-name { font-size: 18px; font-weight: 800; color: var(--green-deep); }
.brand-slogan { font-size: 12px; color: var(--text-sub); }
.top-right { margin-left: auto; }
.user-chip { background: #F0F4F1; border: 1px solid var(--line); color: var(--text-sub); padding: 6px 14px; border-radius: 999px; font-size: 13px; }

.menubar { background: #fff; border-bottom: 1px solid var(--line); padding: 8px 24px; position: sticky; top: 0; z-index: 50; }
.menubar-inner { display: flex; gap: 8px; max-width: 1180px; margin: 0 auto; overflow-x: auto; }
.menu-item { padding: 9px 22px; border-radius: 999px; color: var(--text-sub); text-decoration: none; font-size: 15px; font-weight: 600; white-space: nowrap; }
.menu-item:hover { background: #EFF5F1; color: var(--green-deep); }
.menu-item.on { background: var(--green); color: #fff; box-shadow: 0 2px 8px rgba(46,158,91,.3); }

/* ---------- 工作台三栏 ---------- */
.workbench { display: flex; height: calc(100vh - 64px); padding: 16px 20px 20px; gap: 0; }
.left-pane { flex: 1 1 auto; display: flex; flex-direction: column; gap: 14px; min-width: 0; }
.reco-area { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; flex: 0 0 auto; }
.panel-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 12px; }
.panel-head h2 { font-size: 16px; color: var(--green-deep); }
.panel-head .hint { font-size: 12px; color: var(--text-sub); }
.reco-cards { display: flex; gap: 12px; overflow-x: auto; min-height: 128px; }
.reco-empty { color: var(--text-sub); font-size: 14px; padding: 40px 12px; text-align: center; width: 100%; border: 1px dashed var(--line); border-radius: 8px; }
.reco-card { flex: 0 0 220px; border: 1px solid var(--line); border-radius: 10px; padding: 12px; position: relative; background: #FCFEFC; }
.reco-card .score { position: absolute; top: 8px; right: 8px; background: var(--gold); color: #fff; border-radius: 999px; font-size: 12px; font-weight: 700; padding: 2px 8px; }
.reco-card h4 { font-size: 14px; margin: 4px 0 6px; padding-right: 44px; }
.reco-card .why { font-size: 12px; color: var(--text-sub); }
.reco-card .save-btn { margin-top: 8px; font-size: 12px; }

/* 对话区 */
.chat-area { flex: 1 1 auto; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); display: flex; flex-direction: column; min-height: 0; }
.chat-box { flex: 1 1 auto; overflow-y: auto; padding: 14px 16px; display: flex; flex-direction: column; gap: 10px; }
.msg { display: flex; }
.msg.ai { justify-content: flex-start; }
.msg.user { justify-content: flex-end; }
.bubble { max-width: 78%; padding: 9px 14px; border-radius: 12px; font-size: 14px; }
.msg.ai .bubble { background: #EAF4EE; color: #23402F; border-top-left-radius: 3px; }
.msg.user .bubble { background: #DCEFE3; color: #22302A; border-top-right-radius: 3px; }
.chat-input-row { display: flex; gap: 8px; padding: 10px 14px; border-top: 1px solid var(--line); }
.chat-input-row textarea { flex: 1; resize: none; border: 1px solid var(--line); border-radius: 8px; padding: 9px 12px; font-size: 14px; outline: none; }
.btn-primary { background: var(--green); color: #fff; border: none; border-radius: 8px; padding: 9px 18px; font-size: 14px; font-weight: 600; cursor: pointer; }
.btn-primary:hover { background: var(--green-deep); }
.btn-ghost { background: #fff; color: var(--green-deep); border: 1px solid var(--green); border-radius: 8px; padding: 7px 14px; font-size: 13px; cursor: pointer; }
.chat-meta { display: flex; align-items: center; justify-content: space-between; padding: 6px 14px 10px; font-size: 12px; color: var(--text-sub); }
.chat-meta select { border: 1px solid var(--line); border-radius: 6px; padding: 3px 6px; font-size: 12px; }

/* 分隔条（可拖拽） */
.divider { width: 10px; cursor: col-resize; display: flex; align-items: center; justify-content: center; position: relative; flex-shrink: 0; }
.divider::after { content: ''; width: 4px; height: 36px; border-radius: 4px; background: #C9D6CE; }

/* 右侧方案区 */
.right-pane { flex: 0 0 360px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); display: flex; flex-direction: column; min-width: 280px; }
.plan-head { padding: 14px 16px; border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; }
.plan-head h3 { font-size: 16px; color: var(--green-deep); }
.stage-chip { font-size: 12px; background: #F5EFE2; color: var(--gold); padding: 3px 10px; border-radius: 999px; }
.plan-body { flex: 1 1 auto; overflow-y: auto; padding: 16px; }
.plan-empty { color: var(--text-sub); font-size: 14px; border: 1px dashed var(--line); border-radius: 8px; padding: 30px 14px; text-align: center; }
.plan-detail h3 { font-size: 18px; margin-bottom: 10px; }
.plan-detail .block { margin-bottom: 14px; }
.plan-detail .block h5 { font-size: 13px; color: var(--gold); margin-bottom: 4px; }
.plan-detail .block p { font-size: 14px; }
.plan-detail .tip { background: #F5EFE2; border-radius: 8px; padding: 10px 12px; font-size: 13px; color: #6B5B2E; margin: 12px 0; }
.unlock-note { font-size: 12px; color: var(--text-sub); }

/* ---------- 通用页面 ---------- */
.page-main { max-width: 1100px; margin: 0 auto; padding: 28px 20px 60px; }
.page-head { margin-bottom: 22px; }
.page-head h1 { font-size: 26px; color: var(--green-deep); }
.page-head .sub { color: var(--text-sub); font-size: 14px; margin-top: 6px; }
.filter-bar { display: flex; gap: 10px; margin-bottom: 22px; flex-wrap: wrap; }
.filter-bar select, .filter-bar input { border: 1px solid var(--line); border-radius: 8px; padding: 8px 12px; font-size: 14px; background: #fff; }
.filter-bar input[type=text] { flex: 1; min-width: 200px; }

.project-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; }
.project-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; }
.card-top { display: flex; justify-content: space-between; margin-bottom: 8px; }
.cat-tag { font-size: 12px; background: #EAF4EE; color: var(--green-deep); padding: 2px 8px; border-radius: 999px; }
.ref-badge { font-size: 12px; background: #F5EFE2; color: var(--gold); padding: 2px 8px; border-radius: 999px; }
.project-card h3 { font-size: 16px; margin-bottom: 6px; }
.meta-row { display: flex; gap: 12px; font-size: 13px; color: var(--text-sub); margin-bottom: 8px; }
.tags { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 8px; }
.tag { font-size: 12px; background: #F0F4F1; color: var(--text-sub); padding: 1px 8px; border-radius: 999px; }
.summary { font-size: 13px; color: var(--text-sub); }
.card-foot { display: flex; justify-content: space-between; font-size: 12px; color: var(--text-sub); margin-top: 8px; border-top: 1px solid var(--line); padding-top: 8px; }

.empty-box { background: var(--card); border: 1px dashed var(--line); border-radius: var(--radius); padding: 40px 20px; text-align: center; color: var(--text-sub); }

/* 学判断 */
.learn-layout { display: flex; gap: 16px; }
.learn-list { flex: 0 0 340px; display: flex; flex-direction: column; gap: 12px; }
.lesson-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; }
.lesson-type { font-size: 12px; color: var(--green-deep); margin-bottom: 6px; }
.lesson-type.type-guide { color: var(--gold); }
.lesson-type.type-compare { color: #5A6B8A; }
.lesson-card h3 { font-size: 15px; margin-bottom: 4px; }
.lesson-card p { font-size: 13px; color: var(--text-sub); margin-bottom: 10px; }
.learn-reader { flex: 1; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; min-height: 420px; }
.reader-empty { color: var(--text-sub); text-align: center; padding: 80px 20px; }
.reader h2 { color: var(--green-deep); font-size: 20px; margin-bottom: 12px; }
.reader .para { margin-bottom: 12px; font-size: 14px; line-height: 1.8; }

/* 考评 */
.exam-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.exam-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; }
.exam-card h3 { font-size: 15px; margin-bottom: 6px; }
.exam-card p { font-size: 13px; color: var(--text-sub); margin-bottom: 10px; }
.exam-status { font-size: 13px; color: var(--green-deep); font-weight: 600; }
.modal { position: fixed; inset: 0; background: rgba(0,0,0,.4); display: flex; align-items: center; justify-content: center; z-index: 100; }
.modal-box { background: #fff; border-radius: 14px; width: 560px; max-width: 92vw; max-height: 84vh; display: flex; flex-direction: column; }
.modal-head { padding: 14px 18px; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; }
.modal-close { border: none; background: none; font-size: 22px; cursor: pointer; color: var(--text-sub); }
.modal-body { padding: 18px; overflow-y: auto; }
.q-item { margin-bottom: 16px; }
.q-item .q { font-weight: 600; margin-bottom: 6px; }
.q-item label { display: block; padding: 6px 10px; border: 1px solid var(--line); border-radius: 8px; margin-bottom: 4px; cursor: pointer; font-size: 14px; }
.q-item label.sel { border-color: var(--green); background: #EAF4EE; }
.quiz-result { text-align: center; padding: 20px; }
.quiz-result .score-big { font-size: 40px; font-weight: 800; color: var(--green); }
.quiz-result .pass-line { font-size: 14px; color: var(--text-sub); margin-top: 6px; }

/* 我的方案 */
.plan-list { display: flex; flex-direction: column; gap: 12px; }
.plan-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; display: flex; justify-content: space-between; align-items: center; }
.plan-card h3 { font-size: 16px; margin-bottom: 6px; }
.plan-card .meta { font-size: 13px; color: var(--text-sub); }
.plan-side { display: flex; flex-direction: column; align-items: flex-end; gap: 8px; }
.status-chip { font-size: 12px; background: #EAF4EE; color: var(--green-deep); padding: 3px 10px; border-radius: 999px; }
.status-chip.full { background: #F5EFE2; color: var(--gold); }

/* 同行对比 */
.compare-layout { display: flex; gap: 16px; }
.compare-box { flex: 1; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.compare-box h3 { font-size: 16px; color: var(--green-deep); margin-bottom: 12px; }
.cmp-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.cmp-table th { text-align: left; font-size: 12px; color: var(--text-sub); border-bottom: 1px solid var(--line); padding: 6px 8px; }
.cmp-table td { padding: 8px; border-bottom: 1px solid #F0F4F1; }
.hot-bar { display: inline-block; height: 8px; background: var(--green); border-radius: 4px; vertical-align: middle; margin-right: 6px; }
.steps { padding-left: 20px; }
.steps li { margin-bottom: 10px; font-size: 14px; }
.cta { margin-top: 16px; }
.note { font-size: 12px; color: var(--text-sub); margin-top: 10px; }

/* 页脚 */
.footer { border-top: 1px solid var(--line); padding: 18px 0; background: #fff; }
.footer-inner { max-width: 1100px; margin: 0 auto; padding: 0 20px; font-size: 12px; color: var(--text-sub); display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.footer .dot { color: var(--line); }

/* 响应式 */
@media (max-width: 900px) {
  .workbench { flex-direction: column; height: auto; }
  .right-pane { flex: none; min-height: 260px; }
  .divider { display: none; }
  .learn-layout, .compare-layout { flex-direction: column; }
  .learn-list { flex: none; }
  .main-menu { overflow-x: auto; }
  .menu-item { padding: 8px 12px; font-size: 14px; }
  .brand-slogan { display: none; }
}