@import url("/static/fonts/lxgw-wenkai-gb-screen/result.min.css?v=1.522");

/* ========== 学情分析系统 全局样式 ========== */
:root {
  --font-ui: "Segoe UI", "Microsoft YaHei UI", "Microsoft YaHei", "PingFang SC", sans-serif;
  --font-reading: "LXGW WenKai GB Screen", "Kaiti SC", "STKaiti", "Microsoft YaHei", sans-serif;
  --primary: #16756d;
  --primary-light: #58a79f;
  --primary-bg: #eaf5f3;
  --bg: #f7f8fa;
  --card: #ffffff;
  --text: #1b2024;
  --text-2: #6b737b;
  --border: #e3e7e9;
  --danger: #c63f4b;
  --success: #247d5a;
  --warn: #a86916;
  --radius: 8px;
  --shadow: 0 1px 2px rgba(23, 32, 38, .035);
  --shadow-lg: 0 14px 40px rgba(23, 32, 38, .10);
  --grade-aplus: #247d5a;
  --grade-a: #3767b1;
  --grade-b: #16756d;
  --grade-c: #a86916;
  --grade-d: #c63f4b;
  --line: var(--border);
  --surface-soft: #fafbfb;
  --surface-muted: #f3f6f6;
}

:root[data-theme="dark"] {
  --primary: #58b8ae;
  --primary-light: #75c9c1;
  --primary-bg: #173c3a;
  --bg: #10171b;
  --card: #172126;
  --text: #e7edef;
  --text-2: #9aa9ad;
  --border: #2b3a40;
  --danger: #ef7b85;
  --success: #55b887;
  --warn: #e2a34b;
  --shadow: 0 1px 2px rgba(0, 0, 0, .22);
  --shadow-lg: 0 18px 48px rgba(0, 0, 0, .38);
  --grade-aplus: #55b887;
  --grade-a: #75a7e8;
  --grade-b: #58b8ae;
  --grade-c: #e2a34b;
  --grade-d: #ef7b85;
  --surface-soft: #1b272c;
  --surface-muted: #202e34;
}

/* ---------- 后台助手 / LLM Wiki ---------- */
.assistant-page { max-width: 1480px; margin: 0 auto; padding: 22px 20px 44px; }
.assistant-page-head { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-bottom: 16px; }
.assistant-page-head h1 { font-size: 22px; line-height: 1.35; font-weight: 700; }
.assistant-page-head p { color: var(--text-2); font-size: 13px; margin-top: 2px; }
.assistant-tabs { display: inline-flex; align-items: center; padding: 3px; border: 1px solid var(--border); background: #fff; border-radius: 8px; }
.assistant-tabs button { border: 0; background: transparent; color: var(--text-2); height: 34px; padding: 0 14px; border-radius: 6px; display: inline-flex; align-items: center; gap: 6px; cursor: pointer; font: inherit; }
.assistant-tabs button.active { background: #edf5f4; color: #125f59; font-weight: 600; }
.assistant-workspace { display: none; }
.assistant-workspace.active { display: block; }
.assistant-grid { height: calc(100dvh - 156px); min-height: 560px; display: grid; grid-template-columns: 224px minmax(420px, 1fr) 282px; background: #fff; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.assistant-sidebar, .trace-panel { background: #fafbfb; min-width: 0; }
.assistant-sidebar { padding: 14px; border-right: 1px solid var(--border); }
.assistant-side-label { margin: 20px 8px 8px; color: var(--text-2); font-size: 11px; font-weight: 700; }
.conversation-list { display: grid; gap: 3px; }
.conversation-item { width: 100%; border: 0; background: transparent; color: var(--text-2); border-radius: 6px; padding: 9px 8px; text-align: left; display: flex; align-items: flex-start; gap: 8px; cursor: pointer; font: inherit; min-width: 0; }
.conversation-item:hover, .conversation-item.active { background: #edf3f2; color: var(--text); }
.conversation-item > svg { width: 16px; margin-top: 2px; flex: 0 0 auto; }
.conversation-item span { min-width: 0; display: grid; }
.conversation-item strong { font-size: 13px; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.conversation-item small { color: #92999e; font-size: 10px; }
.side-empty { color: var(--text-2); text-align: center; padding: 28px 8px; font-size: 12px; }
.chat-stage { display: grid; grid-template-rows: auto 1fr auto; min-width: 0; min-height: 0; background: #fff; }
.chat-stage-head { min-height: 58px; padding: 10px 18px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--border); }
.chat-stage-head > div:first-child { display: grid; min-width: 0; }
.chat-stage-head strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chat-stage-head span { color: var(--text-2); font-size: 11px; }
.mode-switch { display: inline-flex; border: 1px solid var(--border); padding: 2px; border-radius: 7px; }
.mode-switch button { border: 0; background: transparent; color: var(--text-2); border-radius: 5px; padding: 4px 10px; cursor: pointer; font: inherit; font-size: 12px; }
.mode-switch button.active { background: #eaf5f3; color: #105d57; font-weight: 600; }
.chat-messages { min-height: 0; overflow: auto; padding: 24px max(24px, 7%); overscroll-behavior: contain; }
.chat-welcome { max-width: 620px; margin: 8vh auto 0; text-align: center; }
.welcome-icon { width: 48px; height: 48px; margin: 0 auto 12px; display: grid; place-items: center; border-radius: 8px; background: #eaf5f3; color: var(--primary); }
.chat-welcome h2 { font-size: 20px; }
.chat-welcome p { color: var(--text-2); margin-top: 4px; }
.prompt-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 22px; }
.prompt-grid button { min-height: 44px; border: 1px solid var(--border); background: #fff; border-radius: 7px; color: var(--text-2); cursor: pointer; font: inherit; font-size: 12px; }
.prompt-grid button:hover { color: var(--primary); border-color: #9cc9c4; background: #fbfdfd; }
.chat-message { max-width: 780px; margin: 0 auto 22px; }
.message-bubble.streaming-text { white-space: normal; }
.message-meta { min-height: 26px; margin-bottom: 5px; display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.message-role { color: var(--text-2); font-size: 11px; font-weight: 700; }
.message-copy { width: 28px; height: 28px; margin-right: 2px; border: 0; border-radius: 6px; background: transparent; color: #8a9297; display: inline-grid; place-items: center; cursor: pointer; opacity: .72; }
.message-copy:hover { color: var(--primary); background: #edf5f4; opacity: 1; }
.message-copy.copied { color: var(--success); background: #e9f5ef; opacity: 1; }
.message-copy svg { width: 15px; height: 15px; }
.message-bubble { padding: 13px 15px; border: 1px solid var(--border); border-radius: 7px; line-height: 1.8; background: #fff; }
.message-bubble > :first-child, .wiki-body > :first-child { margin-top: 0; }
.message-bubble > :last-child, .wiki-body > :last-child { margin-bottom: 0; }
.message-bubble p, .wiki-body p { margin: 0 0 10px; }
.message-bubble h1, .message-bubble h2, .message-bubble h3, .message-bubble h4,
.wiki-body h1, .wiki-body h2, .wiki-body h3, .wiki-body h4 { margin: 18px 0 7px; line-height: 1.45; }
.message-bubble h1, .wiki-body h1 { font-size: 19px; }
.message-bubble h2, .wiki-body h2 { font-size: 16px; }
.message-bubble h3, .wiki-body h3 { font-size: 14px; }
.message-bubble h4, .wiki-body h4 { font-size: 13px; }
.message-bubble ul, .message-bubble ol, .wiki-body ul, .wiki-body ol { margin: 7px 0 11px; padding-left: 22px; }
.message-bubble li, .wiki-body li { margin: 3px 0; }
.message-bubble blockquote, .wiki-body blockquote { margin: 10px 0; padding: 8px 12px; border-left: 3px solid #8bbab5; background: #f5f9f8; color: var(--text-2); }
.message-bubble pre, .wiki-body pre { overflow: auto; margin: 10px 0; padding: 11px 12px; border: 1px solid #dde3e5; border-radius: 6px; background: #f6f8f9; line-height: 1.55; }
.message-bubble pre code, .wiki-body pre code { padding: 0; background: transparent; white-space: pre; }
.message-bubble hr, .wiki-body hr { border: 0; border-top: 1px solid var(--border); margin: 15px 0; }
.message-bubble a, .wiki-body a { color: var(--primary); text-decoration: underline; text-underline-offset: 2px; }
.md-table-wrap { max-width: 100%; overflow-x: auto; margin: 10px 0 13px; border: 1px solid var(--border); border-radius: 6px; }
.md-table-wrap table { width: 100%; border-collapse: collapse; font-size: 12px; }
.md-table-wrap th, .md-table-wrap td { padding: 8px 10px; border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
.md-table-wrap th:last-child, .md-table-wrap td:last-child { border-right: 0; }
.md-table-wrap tbody tr:last-child td { border-bottom: 0; }
.md-table-wrap th { background: #f4f7f7; font-weight: 700; white-space: nowrap; }
.chat-message.user .message-bubble { background: #f0f6f5; border-color: #d7e8e5; }
.message-sources { display: flex; flex-wrap: wrap; gap: 5px; padding-top: 10px; margin-top: 10px; border-top: 1px solid var(--border); }
.message-sources span { color: #4f6261; background: #f1f4f4; border-radius: 4px; padding: 2px 7px; font-size: 10px; }
.chat-process { max-width: 780px; margin: 0 auto 18px; border: 1px solid #dbe5e3; border-radius: 7px; background: #f8fbfa; overflow: hidden; }
.chat-process summary { min-height: 42px; padding: 0 13px; display: flex; align-items: center; justify-content: space-between; cursor: pointer; list-style: none; }
.chat-process summary::-webkit-details-marker { display: none; }
.chat-process summary span { display: inline-flex; align-items: center; gap: 7px; font-size: 12px; font-weight: 700; color: #315d59; }
.chat-process summary svg { width: 16px; height: 16px; }
.chat-process summary em { color: var(--text-2); font-size: 10px; font-style: normal; font-weight: 500; }
.chat-process-list { display: grid; gap: 0; padding: 0 13px 10px; }
.chat-process-step { display: grid; grid-template-columns: 18px minmax(0, 1fr); gap: 7px; padding: 6px 0; border-top: 1px solid #e8efed; color: var(--text-2); }
.chat-process-step > svg { width: 14px; height: 14px; margin-top: 2px; color: #71938f; }
.chat-process-step > span { display: grid; gap: 1px; min-width: 0; }
.chat-process-step strong { color: #46504f; font-size: 11px; font-weight: 600; }
.chat-process-step small { color: var(--text-2); font-size: 10px; line-height: 1.45; }
.chat-process-step.completed > svg { color: var(--success); }
.chat-process-step.failed > svg { color: var(--danger); }
.chat-compose { position: sticky; bottom: 0; z-index: 3; margin: 0 18px 16px; border: 1px solid #ccd4d6; border-radius: 8px; background: #fff; box-shadow: 0 8px 24px rgba(27,32,36,.07); }
.chat-compose:focus-within { border-color: #6ca9a3; box-shadow: 0 0 0 3px rgba(22,117,109,.08); }
.chat-compose textarea { border: 0; box-shadow: none; min-height: 62px; max-height: 160px; resize: none; padding: 12px 14px 4px; }
.chat-compose textarea:focus { box-shadow: none; }
.chat-compose-actions { min-height: 44px; padding: 4px 7px 7px; display: flex; align-items: center; gap: 8px; }
.compose-spacer { flex: 1; }
.voice-status { color: var(--text-2); font-size: 11px; }
.icon-button { width: 34px; height: 34px; border: 1px solid var(--border); border-radius: 7px; background: #fff; color: var(--text-2); display: inline-grid; place-items: center; cursor: pointer; flex: 0 0 auto; }
.icon-button:hover { border-color: #8fbab6; color: var(--primary); text-decoration: none; }
.icon-button svg { width: 17px; height: 17px; }
.icon-button.recording { color: var(--danger); border-color: #e6a2a8; animation: voice-pulse 1s infinite; }
@keyframes voice-pulse { 50% { box-shadow: 0 0 0 4px rgba(198,63,75,.12); } }
.trace-panel { border-left: 1px solid var(--border); padding: 14px; display: grid; grid-template-rows: auto 1fr auto; min-height: 0; }
.trace-head { display: flex; align-items: center; justify-content: space-between; padding-bottom: 12px; border-bottom: 1px solid var(--border); }
.trace-head > span:first-child { display: inline-flex; align-items: center; gap: 7px; font-weight: 600; }
.trace-list { overflow: auto; min-height: 0; padding: 12px 0; }
.trace-empty { color: var(--text-2); font-size: 12px; line-height: 1.7; padding: 12px 4px; }
.trace-item { display: grid; grid-template-columns: 24px 1fr; gap: 8px; padding: 8px 2px; }
.trace-icon { width: 22px; height: 22px; display: grid; place-items: center; border-radius: 50%; background: #eaf1f0; color: var(--primary); }
.trace-icon svg { width: 13px; height: 13px; }
.trace-item strong { font-size: 12px; }
.trace-item p { color: var(--text-2); font-size: 11px; line-height: 1.55; margin-top: 2px; }
.trace-item.completed .trace-icon { color: var(--success); background: #e9f5ef; }
.trace-item.failed .trace-icon { color: var(--danger); background: #fbecee; }
.approval-box { padding: 12px; border: 1px solid #ead3a4; background: #fffaf0; border-radius: 7px; }
.approval-box strong { color: #7d5516; font-size: 12px; }
.approval-box p { color: var(--text-2); font-size: 11px; margin: 4px 0 10px; }
.approval-details { display: grid; gap: 4px; margin: -3px 0 11px; padding-left: 17px; color: #6d6250; font-size: 10px; line-height: 1.5; }

.knowledge-layout { min-height: calc(100vh - 156px); display: grid; grid-template-columns: 230px minmax(480px, 1fr) 260px; background: #fff; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.knowledge-sidebar, .wiki-sidebar { background: #fafbfb; border-right: 1px solid var(--border); min-width: 0; }
.knowledge-sidebar-head, .wiki-side-head { height: 54px; padding: 0 14px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--border); }
.folder-tree { padding: 8px; overflow: auto; max-height: calc(100vh - 220px); }
.folder-row { position: relative; display: flex; padding-left: calc(var(--depth) * 13px); }
.folder-row > button:first-child { flex: 1; min-width: 0; height: 34px; border: 0; background: transparent; border-radius: 6px; display: flex; align-items: center; gap: 7px; padding: 0 7px; color: var(--text-2); cursor: pointer; font: inherit; text-align: left; }
.folder-row > button:first-child:hover { background: #edf3f2; color: var(--text); }
.folder-row svg { width: 16px; color: #8b6f42; }
.folder-row span { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.folder-row small { color: #9da3a6; }
.folder-more { width: 28px; border: 0; background: transparent; color: #9ba1a5; cursor: pointer; }
.knowledge-main { min-width: 0; padding: 20px; }
.knowledge-toolbar { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-bottom: 16px; }
.knowledge-toolbar h2, .graph-toolbar h2 { font-size: 18px; }
.knowledge-toolbar p, .graph-toolbar p { color: var(--text-2); font-size: 11px; }
.knowledge-actions { display: flex; gap: 8px; align-items: center; }
.search-inline { height: 36px; display: flex; align-items: center; gap: 7px; border: 1px solid var(--border); background: #fff; border-radius: 7px; padding: 0 10px; }
.search-inline svg { width: 15px; color: #8a9398; }
.search-inline input { border: 0; box-shadow: none; padding: 0; min-width: 170px; }
.search-inline input:focus { box-shadow: none; }
.document-list { display: grid; }
.document-row { min-height: 66px; display: grid; grid-template-columns: 36px minmax(180px, 1fr) auto 34px 34px 34px; gap: 10px; align-items: center; border-bottom: 1px solid #edf0f1; }
.document-icon { width: 34px; height: 38px; border: 1px solid #dbe2e4; border-radius: 6px; display: grid; place-items: center; color: #5074a5; background: #f7f9fc; }
.document-main { min-width: 0; }
.document-main strong { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.document-main p { color: var(--text-2); font-size: 11px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.document-progress { display: grid; grid-template-columns: minmax(90px, 180px) 32px; align-items: center; gap: 8px; margin-top: 6px; color: var(--text-2); font-size: 10px; }
.document-progress .progress-wrap { height: 5px; }
.wiki-draft-option { display: flex; gap: 10px; align-items: flex-start; padding: 11px 12px; border: 1px solid var(--border); border-radius: 7px; background: #f8fbfa; cursor: pointer; }
.wiki-draft-option input { width: 16px; height: 16px; margin-top: 2px; accent-color: var(--primary); }
.wiki-draft-option span { display: grid; gap: 2px; }
.wiki-draft-option strong { font-size: 12px; }
.wiki-draft-option small { color: var(--text-2); font-size: 10px; line-height: 1.45; }
.knowledge-inspector { padding: 18px; background: #fafbfb; border-left: 1px solid var(--border); }
.inspector-title { font-weight: 600; margin-bottom: 12px; }
.knowledge-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.knowledge-stats div { background: #fff; border: 1px solid var(--border); border-radius: 6px; padding: 10px; display: grid; }
.knowledge-stats span { color: var(--text-2); font-size: 10px; }
.knowledge-stats strong { font-size: 18px; }
.inspector-note { display: flex; gap: 8px; margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--border); color: var(--text-2); font-size: 11px; line-height: 1.6; }
.inspector-note svg { width: 17px; color: var(--success); flex: 0 0 auto; }
.knowledge-empty { color: var(--text-2); min-height: 260px; display: grid; place-content: center; justify-items: center; gap: 7px; }
.knowledge-empty svg { width: 28px; height: 28px; color: #aab2b6; }
.knowledge-modal { max-width: 680px; }

.wiki-layout { min-height: calc(100vh - 156px); display: grid; grid-template-columns: 270px minmax(0, 1fr); background: #fff; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.wiki-search { margin: 10px; }
.wiki-search input { min-width: 0; }
.wiki-list { max-height: calc(100vh - 280px); overflow: auto; padding: 0 7px 10px; }
.wiki-list-item { width: 100%; min-height: 56px; border: 0; background: transparent; color: var(--text-2); display: grid; grid-template-columns: 20px minmax(0, 1fr) auto; align-items: center; gap: 7px; padding: 7px 8px; border-radius: 6px; text-align: left; cursor: pointer; font: inherit; }
.wiki-list-item:hover, .wiki-list-item.active { background: #edf3f2; color: var(--text); }
.wiki-list-item span { min-width: 0; display: grid; }
.wiki-list-item strong { font-size: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.wiki-list-item small { color: #969da1; font-size: 10px; }
.wiki-list-item em { font-style: normal; font-size: 9px; color: #8b9296; }
.wiki-list-item em.published { color: var(--success); }
.wiki-editor { min-width: 0; padding: 24px; display: flex; flex-direction: column; }
.wiki-empty { margin: auto; display: grid; justify-items: center; gap: 6px; color: var(--text-2); }
.wiki-empty svg { width: 36px; height: 36px; color: #9fb3b1; margin-bottom: 6px; }
.wiki-edit-head { display: flex; align-items: center; gap: 12px; }
.wiki-edit-head > input { border: 0; border-bottom: 1px solid var(--border); border-radius: 0; box-shadow: none; font-size: 22px; font-weight: 700; padding-left: 0; }
.wiki-edit-actions { margin-left: auto; display: flex; gap: 7px; }
.wiki-edit-actions .icon-button { flex: 0 0 auto; }
.wiki-meta-grid { display: grid; grid-template-columns: 1fr 1fr 1fr 1fr; gap: 8px; margin: 14px 0; }
.wiki-content-field { flex: 1; min-height: 420px; resize: none; border-radius: 6px; font-family: ui-monospace, "SFMono-Regular", Consolas, monospace; font-size: 13px; line-height: 1.8; }
.wiki-source-picker { display: grid; grid-template-columns: 90px 1fr; gap: 10px; align-items: start; margin-top: 12px; }
.wiki-source-picker label { color: var(--text-2); font-size: 12px; font-weight: 600; }
.wiki-source-picker select { min-height: 76px; }
.wiki-reader { max-width: 850px; margin: 0 auto; width: 100%; }
.wiki-reader-toolbar { min-height: 38px; display: flex; align-items: center; gap: 8px; margin-bottom: 12px; }
.wiki-toolbar-spacer { flex: 1; }
.wiki-reader-head { padding-bottom: 20px; border-bottom: 1px solid var(--border); }
.wiki-reader-head h1 { font-size: 26px; margin: 12px 0 4px; }
.wiki-reader-head p { color: var(--text-2); }
.wiki-body { padding: 24px 0; line-height: 1.9; }
.wiki-body .katex-display { overflow-x: auto; overflow-y: hidden; padding: 4px 0; }
.wiki-body .katex { font-size: 1.03em; }

.graph-shell { height: calc(100vh - 156px); min-height: 560px; background: #fff; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; display: grid; grid-template-rows: auto 1fr; }
.graph-toolbar { min-height: 62px; display: flex; align-items: center; gap: 24px; padding: 10px 16px; border-bottom: 1px solid var(--border); }
.graph-legend { margin-left: auto; display: flex; gap: 15px; color: var(--text-2); font-size: 11px; }
.graph-legend span { display: inline-flex; align-items: center; gap: 5px; }
.legend-dot { width: 8px; height: 8px; border-radius: 50%; }
.legend-dot.folder { background: #347d76; }.legend-dot.document { background: #5074a5; }.legend-dot.wiki { background: #b47732; }
.knowledge-graph { min-height: 0; background: #fbfcfc; }
.memory-shell { min-height: calc(100vh - 156px); padding: 22px; background: #fff; border: 1px solid var(--border); border-radius: 8px; }
.memory-list { border-top: 1px solid var(--border); }
.memory-row { display: grid; grid-template-columns: 92px minmax(0, 1fr) 36px 36px; gap: 12px; align-items: center; padding: 15px 4px; border-bottom: 1px solid var(--border); }
.memory-row > div { min-width: 0; }
.memory-row strong { font-size: 13px; font-weight: 600; line-height: 1.55; }
.memory-row p { color: var(--text-2); font-size: 10px; margin-top: 3px; }
.memory-kind { justify-self: start; color: #176861; background: #eaf5f3; border-radius: 5px; padding: 4px 7px; font-size: 10px; font-weight: 700; }
.report-source-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 9px; }
.report-source-item { min-height: 54px; display: flex; align-items: center; gap: 10px; padding: 9px 11px; border: 1px solid var(--border); border-radius: 7px; background: #fbfcfc; }
.report-source-item > span { width: 30px; height: 30px; display: grid; place-items: center; border-radius: 6px; background: #eaf5f3; color: var(--primary); }
.report-source-item svg { width: 16px; }
.report-source-item strong { font-size: 12px; }
.report-source-item p { color: var(--text-2); font-size: 10px; }

@media (max-width: 1120px) {
  .assistant-grid { grid-template-columns: 200px minmax(390px, 1fr); }
  .trace-panel { grid-column: 1 / -1; border-left: 0; border-top: 1px solid var(--border); min-height: 180px; grid-template-columns: 180px 1fr 260px; grid-template-rows: auto; gap: 14px; }
  .trace-list { display: flex; gap: 10px; overflow: auto; padding: 0; }
  .trace-item { min-width: 220px; }
  .knowledge-layout { grid-template-columns: 210px minmax(0, 1fr); }
  .knowledge-inspector { grid-column: 1 / -1; border-left: 0; border-top: 1px solid var(--border); }
  .knowledge-stats { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 760px) {
  .assistant-page { padding: 12px 12px 34px; }
  .assistant-page-head { align-items: flex-start; flex-direction: column; gap: 10px; }
  .assistant-page-head h1 { font-size: 18px; }
  .assistant-tabs { width: 100%; overflow-x: auto; }
  .assistant-tabs button { flex: 1; justify-content: center; padding: 0 8px; white-space: nowrap; }
  .assistant-grid, .knowledge-layout, .wiki-layout { min-height: calc(100vh - 210px); display: block; }
  .assistant-grid { height: auto; }
  .assistant-sidebar { border-right: 0; border-bottom: 1px solid var(--border); padding: 10px; }
  .assistant-side-label { display: none; }
  .conversation-list { display: flex; overflow-x: auto; margin-top: 8px; }
  .conversation-item { min-width: 150px; }
  .chat-stage { height: calc(100dvh - 210px); min-height: 520px; }
  .chat-stage-head { padding: 8px 12px; }
  .chat-messages { min-height: 0; padding: 18px 14px; }
  .chat-welcome { margin-top: 30px; }
  .message-copy { width: 34px; height: 34px; margin-right: 0; opacity: 1; }
  .prompt-grid { grid-template-columns: 1fr; }
  .chat-compose { margin: 0 10px 10px; }
  .assistant-workspace[data-workspace-panel="chat"].active .chat-compose {
    position: fixed;
    left: 12px;
    right: 12px;
    bottom: max(10px, env(safe-area-inset-bottom));
    width: auto;
    margin: 0;
    z-index: 30;
  }
  .assistant-workspace[data-workspace-panel="chat"].active .chat-messages { padding-bottom: 150px; }
  .trace-panel { display: block; border: 0; border-top: 1px solid var(--border); min-height: 160px; }
  .trace-list { display: flex; min-height: 90px; padding: 8px 0; }
  .approval-box { margin-top: 8px; }
  .knowledge-sidebar, .wiki-sidebar { border-right: 0; border-bottom: 1px solid var(--border); }
  .folder-tree { max-height: 190px; }
  .knowledge-main { padding: 14px; }
  .memory-shell { min-height: calc(100vh - 210px); padding: 14px; }
  .memory-row { grid-template-columns: 78px minmax(0, 1fr) 34px 34px; gap: 7px; }
  .knowledge-toolbar { align-items: stretch; flex-direction: column; }
  .knowledge-actions { align-items: stretch; flex-direction: column; }
  .search-inline input { min-width: 0; }
  .document-row { grid-template-columns: 34px minmax(0, 1fr) auto; padding: 9px 0; }
  .document-row .tag { grid-column: 2; width: max-content; }
  .document-row .icon-button { grid-row: 1; }
  .document-delete { display: none; }
  .document-wiki { grid-column: 3; }
  .knowledge-inspector { display: none; }
  .wiki-list { max-height: 190px; }
  .wiki-editor { padding: 15px; min-height: 480px; }
  .wiki-reader-toolbar { flex-wrap: wrap; }
  .wiki-reader-toolbar .wiki-toolbar-spacer { flex-basis: 40%; }
  .wiki-reader-head h1 { font-size: 21px; }
  .wiki-edit-head { align-items: flex-start; flex-direction: column; }
  .wiki-edit-actions { width: 100%; margin-left: 0; overflow-x: auto; padding-bottom: 2px; }
  .wiki-edit-head { align-items: flex-start; flex-direction: column; }
  .wiki-edit-actions { margin-left: 0; }
  .wiki-meta-grid { grid-template-columns: 1fr 1fr; }
  .wiki-content-field { min-height: 340px; }
  .wiki-source-picker { grid-template-columns: 1fr; }
  .graph-shell { height: calc(100vh - 210px); min-height: 520px; }
  .graph-toolbar { align-items: flex-start; flex-wrap: wrap; gap: 8px 14px; }
  .graph-legend { order: 3; width: 100%; margin-left: 0; }
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body { height: 100%; }

body {
  font-family: var(--font-ui);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.6;
}

/* 阅读内容使用屏幕版文楷，操作界面、数据和公式保持现代无衬线。 */
.chat-message.assistant .message-bubble,
.wiki-reader-head h1,
.wiki-body,
.analysis-body,
#strengthsList .item,
#weaknessesList .item,
#suggestionsList .item,
.long-summary-band p,
.subject-summary,
.detail-line {
  font-family: var(--font-reading);
}

.detail-line span,
.message-bubble code,
.message-bubble pre,
.wiki-body code,
.wiki-body pre {
  font-family: ui-monospace, "Cascadia Code", "SFMono-Regular", Consolas, monospace;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- 导航栏 ---------- */
.navbar {
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 4px rgba(15, 23, 42, .04);
}
.navbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  height: 58px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
}
.logo-icon {
  width: 34px; height: 34px;
  border-radius: 7px;
  background: var(--primary);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
}
.nav-links { display: flex; gap: 6px; margin-left: 8px; }
.nav-link {
  padding: 7px 14px;
  border-radius: 9px;
  color: var(--text-2);
  font-weight: 500;
  display: flex; align-items: center; gap: 6px;
}
.nav-link:hover { background: var(--primary-bg); color: var(--primary); text-decoration: none; }
.nav-link.active { background: var(--primary-bg); color: #0e5e57; }
.navbar-right { margin-left: auto; display: flex; align-items: center; gap: 10px; }

/* ---------- 布局 ---------- */
.container { max-width: 1200px; margin: 0 auto; padding: 24px 20px 60px; }
.page-title { font-size: 20px; font-weight: 700; margin-bottom: 4px; }
.page-sub { color: var(--text-2); margin-bottom: 20px; }

/* ---------- 卡片 ---------- */
.card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  padding: 22px;
  margin-bottom: 18px;
}
.card-title {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.card-title i { color: var(--primary); }

/* ---------- 统计行 ---------- */
.stats-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; margin-bottom: 18px; }
.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  display: flex; align-items: center; gap: 14px;
  box-shadow: var(--shadow);
}
.stat-icon {
  width: 42px; height: 42px;
  border-radius: 11px;
  display: flex; align-items: center; justify-content: center;
  background: var(--primary-bg);
  color: var(--primary);
}
.stat-num { font-size: 22px; font-weight: 700; line-height: 1.2; }
.stat-label { color: var(--text-2); font-size: 13px; }

/* ---------- 工具栏 ---------- */
.toolbar { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-bottom: 18px; }
.toolbar .spacer { flex: 1; }

/* ---------- 报告上传入口 ---------- */
.report-student-context {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  min-height: 58px; padding: 10px 14px; border: 1px solid var(--border);
  border-radius: 8px; background: var(--bg);
}
.context-label { color: var(--text-2); font-size: 12px; font-weight: 600; }
.context-value { display: flex; align-items: center; gap: 8px; min-width: 0; }
.context-value svg { width: 18px; color: var(--primary); }
.context-value strong { font-size: 16px; }
.context-value span { color: var(--text-2); font-size: 13px; }
.intake-meta-status {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  min-height: 64px; padding: 11px 14px; border: 1px solid #b9ddd9;
  border-radius: 8px; background: var(--primary-bg);
}
.intake-meta-status > div { display: flex; align-items: center; gap: 10px; min-width: 0; }
.intake-meta-status > div > svg { width: 20px; flex: 0 0 auto; color: var(--primary); }
.intake-meta-status span { display: grid; gap: 2px; min-width: 0; }
.intake-meta-status strong { font-size: 14px; }
.intake-meta-status small { color: var(--text-2); font-size: 12px; }
.intake-meta-status.needs-confirmation { border-color: #f0c66f; background: #fffaee; }
.upload-options-compact { grid-template-columns: minmax(220px, 360px); }

/* ---------- 批量上传 ---------- */
.batch-student-toolbar { display: flex; align-items: center; gap: 8px; margin-bottom: 14px; }
.batch-student-toolbar input { max-width: 360px; }
.batch-student-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
.batch-student-option {
  display: grid; grid-template-columns: 20px 38px minmax(0, 1fr); align-items: center; gap: 9px;
  min-height: 64px; padding: 9px 11px; border: 1px solid var(--border); border-radius: 8px;
  background: var(--card); cursor: pointer;
}
.batch-student-option:hover, .batch-student-option.selected { border-color: var(--primary); background: var(--primary-bg); }
.batch-student-option .avatar { width: 38px !important; height: 38px !important; font-size: 15px !important; }
.batch-student-option > span { display: grid; gap: 2px; min-width: 0; }
.batch-student-option strong, .batch-student-option small { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.batch-student-option small { color: var(--text-2); font-size: 11px; }
.batch-main-dropzone { width: 100%; min-height: 126px; font-family: inherit; }
.batch-main-dropzone small { color: var(--text-2); }
.batch-file-map { display: grid; gap: 7px; margin-top: 12px; }
.batch-file-row {
  display: grid; grid-template-columns: 22px minmax(180px, 1fr) minmax(150px, 220px) 38px;
  align-items: center; gap: 8px; min-height: 50px; padding: 6px 8px 6px 12px;
  border: 1px solid var(--border); border-radius: 8px; background: var(--bg);
}
.batch-file-row > svg { width: 18px; color: var(--primary); }
.batch-file-row > span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.batch-student-rows { display: grid; gap: 8px; margin-top: 16px; }
.batch-student-row {
  display: grid; grid-template-columns: minmax(0, 1fr) 180px; align-items: center; gap: 16px;
  padding: 10px 12px; border-top: 1px solid var(--border);
}
.batch-student-row > div { display: grid; gap: 3px; min-width: 0; }
.batch-student-row small { color: var(--text-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.batch-student-row label { display: grid; grid-template-columns: auto 110px; align-items: center; gap: 8px; color: var(--text-2); font-size: 12px; }
.batch-reference-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.batch-file-button {
  display: flex; align-items: center; gap: 11px; min-height: 74px; padding: 12px 14px;
  border: 1px dashed var(--border-strong); border-radius: 8px; background: var(--bg); cursor: pointer;
}
.batch-file-button:hover { border-color: var(--primary); background: var(--primary-bg); }
.batch-file-button > svg { width: 22px; color: var(--primary); }
.batch-file-button > span { display: grid; gap: 3px; min-width: 0; }
.batch-file-button small { color: var(--text-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.batch-file-button input { display: none; }
.batch-submit-section { display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.batch-submit-section p { margin-top: 4px; }
.batch-result-links { display: flex; flex-wrap: wrap; gap: 8px; }
.compact-empty { grid-column: 1 / -1; padding: 20px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 9px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all .15s;
  font-family: inherit;
}
.btn:hover { border-color: var(--primary); color: var(--primary); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: #0f625b; color: #fff; }
.btn-danger { color: var(--danger); border-color: #fecaca; }
.btn-danger:hover { background: #fef2f2; border-color: var(--danger); color: var(--danger); }
.btn-ghost { border-color: transparent; background: transparent; color: var(--text-2); }
.btn-ghost:hover { background: var(--primary-bg); color: var(--primary); }
.btn-sm { padding: 5px 11px; font-size: 13px; border-radius: 8px; }
.btn-lg { padding: 11px 22px; font-size: 15px; }
.btn-block { width: 100%; justify-content: center; }
.btn-success { background: var(--success); border-color: var(--success); color: #fff; }
.btn-success:hover { background: #15803d; color: #fff; }

/* ---------- 表单 ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 18px; }
.form-grid .full { grid-column: 1 / -1; }
.form-item { display: flex; flex-direction: column; gap: 6px; }
.form-item label { font-size: 13px; font-weight: 600; color: var(--text-2); }
.form-item label .req { color: var(--danger); }
input[type="text"], input[type="password"], input[type="number"], select, textarea {
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 9px;
  font-size: 14px;
  font-family: inherit;
  color: var(--text);
  background: #fff;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
  width: 100%;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(22, 117, 109, .11);
}
textarea { resize: vertical; min-height: 90px; line-height: 1.7; }
.hint { font-size: 12px; color: var(--text-2); margin-top: 4px; }

/* ---------- 学生卡片 ---------- */
.student-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
.student-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: transform .15s, box-shadow .15s;
}
.student-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.student-top { display: flex; align-items: center; gap: 12px; }
.avatar {
  width: 46px; height: 46px;
  border-radius: 8px;
  background: #3767b1;
  color: #fff;
  font-size: 19px;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.avatar-fallback { position: relative; z-index: 0; }
.avatar img {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.avatar-large { width: 56px; height: 56px; font-size: 24px; }
.avatar-nav { width: 30px; height: 30px; border-radius: 8px; font-size: 13px; }
.nav-account-avatar { display: inline-flex; }
.avatar-form-item { padding-bottom: 2px; }
.avatar-picker {
  display: grid;
  grid-template-columns: repeat(8, 52px);
  gap: 8px;
}
.avatar-choice {
  width: 52px;
  height: 52px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition: border-color .15s, box-shadow .15s, transform .15s;
}
.avatar-choice:hover { transform: translateY(-1px); border-color: #8baaa6; }
.avatar-choice.selected { border-color: var(--primary); box-shadow: 0 0 0 2px rgba(22, 117, 109, .16); }
.avatar-choice img { width: 100%; height: 100%; display: block; object-fit: cover; }
.avatar-choice-check {
  position: absolute;
  right: 3px;
  bottom: 3px;
  width: 17px;
  height: 17px;
  border-radius: 50%;
  display: none;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  color: #fff;
  box-shadow: 0 1px 4px rgba(15, 80, 74, .28);
}
.avatar-choice.selected .avatar-choice-check { display: flex; }
.avatar-choice-check svg { width: 11px; height: 11px; stroke-width: 3; }
.avatar-upload-row { display: flex; align-items: center; gap: 10px; margin-top: 4px; min-width: 0; }
.avatar-upload-preview {
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border);
}
.avatar-upload-preview img { width: 100%; height: 100%; display: block; object-fit: cover; }
.avatar-file-name { min-width: 0; color: var(--text-2); font-size: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.account-user-cell {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}
.account-user-cell .avatar { width: 36px; height: 36px; font-size: 14px; }
.account-user-cell:hover b { color: var(--primary); }
.account-create-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.user-table-wrap { width: 100%; }
.permission-check-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 7px;
  padding: 9px;
  min-height: 42px;
  max-height: 170px;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #f9fafb;
}
.permission-check { display: flex; align-items: center; gap: 7px; min-height: 28px; color: var(--text); font-size: 13px; cursor: pointer; }
.permission-check input { width: 16px; height: 16px; accent-color: var(--primary); }
.user-permission-summary { display: block; max-width: 240px; color: var(--text-2); font-size: 12px; line-height: 1.55; }
.student-name { font-size: 16px; font-weight: 700; }
.student-meta { color: var(--text-2); font-size: 12.5px; display: flex; align-items: center; flex-wrap: wrap; gap: 4px 10px; margin-top: 2px; }
.student-meta span { display: inline-flex; align-items: center; min-height: 20px; line-height: 20px; gap: 5px; }
.student-meta svg { display: block; width: 16px; height: 16px; flex: 0 0 16px; stroke-width: 2; }
.grade-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.student-actions { display: flex; gap: 8px; margin-top: 2px; }
.student-actions .btn { flex: 1; justify-content: center; }

/* ---------- 等级徽章 ---------- */
.grade-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  padding: 1px 8px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 13px;
  color: #fff;
  line-height: 1.8;
}
.grade-badge.lg { font-size: 22px; min-width: 54px; padding: 4px 12px; border-radius: 12px; }
.grade-A\+ { background: var(--grade-aplus); }
.grade-A { background: var(--grade-a); }
.grade-B { background: var(--grade-b); }
.grade-C, .grade-A- { background: var(--grade-c); }
.grade-D { background: var(--grade-d); }
.grade-none { background: #cbd5e1; }

/* ---------- 空状态 ---------- */
.empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-2);
}
.empty i { font-size: 42px; opacity: .35; margin-bottom: 12px; display: block; }
.empty .empty-title { font-size: 16px; font-weight: 600; color: var(--text); margin-bottom: 4px; }

/* ---------- 弹窗 ---------- */
.modal-mask {
  position: fixed; inset: 0;
  background: rgba(15, 23, 42, .45);
  display: none;
  align-items: flex-start;
  justify-content: center;
  z-index: 200;
  padding: 60px 16px;
  overflow-y: auto;
}
.modal-mask.show { display: flex; }
.modal {
  background: #fff;
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 560px;
  padding: 24px;
  animation: modalIn .18s ease;
}
@keyframes modalIn { from { transform: translateY(12px); opacity: 0; } to { transform: none; opacity: 1; } }
.modal-title { font-size: 17px; font-weight: 700; margin-bottom: 18px; display: flex; align-items: center; gap: 8px; }
.modal-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 20px; }

/* ---------- Toast ---------- */
#toast-wrap {
  position: fixed;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
  pointer-events: none;
}
.toast {
  background: #1e293b;
  color: #fff;
  padding: 10px 20px;
  border-radius: 10px;
  font-size: 14px;
  box-shadow: var(--shadow-lg);
  animation: toastIn .2s ease;
  max-width: 80vw;
}
.toast.success { background: var(--success); }
.toast.error { background: var(--danger); }
.toast.warn { background: var(--warn); }
@keyframes toastIn { from { transform: translateY(-10px); opacity: 0; } to { transform: none; opacity: 1; } }

/* ---------- 时间线 ---------- */
.history-section { margin: 24px 0 18px; }
.history-section .card-title { padding: 0 2px; margin-bottom: 12px; }
.section-count {
  margin-left: auto;
  color: var(--text-2);
  font-size: 12px;
  font-weight: 500;
}
.timeline { position: relative; padding-left: 26px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 8px; top: 6px; bottom: 6px;
  width: 2px;
  background: var(--border);
}
.timeline-item { position: relative; margin-bottom: 16px; }
.timeline-item::before {
  content: "";
  position: absolute;
  left: -24px; top: 16px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--primary);
  border: 3px solid #fff;
  box-shadow: 0 0 0 2px var(--primary);
}
.timeline-item .t-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 15px 16px;
  box-shadow: var(--shadow);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  color: var(--text);
  transition: border-color .15s, box-shadow .15s, transform .15s;
}
.timeline-item .t-card:hover {
  border-color: #c9d7d5;
  box-shadow: 0 8px 22px rgba(23, 32, 38, .07);
  transform: translateY(-1px);
  text-decoration: none;
}
.timeline-item .t-card:focus-visible { outline: 3px solid rgba(22, 117, 109, .18); outline-offset: 2px; }
.timeline-item .t-grade { display: flex; }
.timeline-item .t-main { min-width: 0; }
.timeline-item .t-title { font-weight: 650; font-size: 15px; line-height: 1.45; }
.timeline-item .t-sub {
  color: var(--text-2);
  font-size: 12px;
  line-height: 18px;
  margin-top: 4px;
  display: flex;
  align-items: center;
  gap: 4px 13px;
  flex-wrap: wrap;
  font-variant-numeric: tabular-nums;
}
.timeline-item .t-sub > * { display: inline-flex; align-items: center; min-width: 0; white-space: nowrap; }
.timeline-item .t-sub svg { display: block; width: 16px; height: 16px; flex: 0 0 16px; stroke-width: 2; }
.timeline-item .t-subject { color: #4d595f; font-weight: 650; }
.timeline-item .t-score { color: #56636a; }
.timeline-item .t-action {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
}
.timeline-item .t-action svg { width: 16px; height: 16px; }

/* ---------- 标签 ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 9px;
  border-radius: 999px;
  background: var(--primary-bg);
  color: var(--primary);
  font-size: 12px;
  font-weight: 500;
}
.tag-gray { background: #f1f5f9; color: var(--text-2); }
.tag-green { background: #dcfce7; color: #15803d; }
.tag-amber { background: #fef3c7; color: #b45309; }
.tag-red { background: #fee2e2; color: #b91c1c; }

/* ---------- 图表 ---------- */
.chart { width: 100%; min-width: 0; }
.chart-box { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px; margin-bottom: 18px; overflow: hidden; }
.chart-box h3 { font-size: 15px; font-weight: 650; margin-bottom: 5px; display: flex; align-items: center; gap: 8px; letter-spacing: 0; }
.chart-box h3 i { width: 19px; height: 19px; color: var(--primary); stroke-width: 1.9; }
.chart-box .chart-desc { color: var(--text-2); font-size: 12px; line-height: 1.55; margin-bottom: 4px; }
.charts-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.charts-row .chart-box { margin-bottom: 0; }
.charts-row.cols-3 { grid-template-columns: repeat(3, 1fr); }
.report-chart-row { margin-bottom: 18px; }
.report-chart-overview { grid-template-columns: .92fr .92fr 1.16fr; }
.report-overview-chart { height: 220px; }
.report-detail-chart { height: 310px; }
@media (max-width: 1080px) and (min-width: 861px) {
  .report-chart-overview { grid-template-columns: 1fr 1fr; }
  .report-chart-overview .chart-box:last-child { grid-column: 1 / -1; }
}
@media (max-width: 860px) { .charts-row { grid-template-columns: 1fr; } }

/* ---------- 学科页签 ---------- */
.subject-tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 18px; }
.subject-tab {
  padding: 7px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #fff;
  cursor: pointer;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text-2);
  transition: all .15s;
}
.subject-tab:hover { border-color: var(--primary); color: var(--primary); }
.subject-tab.active { background: var(--primary); border-color: var(--primary); color: #fff; }

/* ---------- 上传区 ---------- */
.dropzone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 34px 20px;
  text-align: center;
  cursor: pointer;
  transition: all .15s;
  color: var(--text-2);
  background: #fafbfe;
}
.dropzone:hover, .dropzone.dragover { border-color: var(--primary); background: var(--primary-bg); color: var(--primary); }
.dropzone i { font-size: 34px; display: block; margin-bottom: 8px; }
.dropzone .dz-title { font-weight: 600; font-size: 15px; color: var(--text); }
.upload-options { display: grid; grid-template-columns: minmax(220px, .72fr) minmax(280px, 1.28fr); gap: 14px; align-items: end; margin-bottom: 14px; }
.upload-setup-toolbar { min-height: 46px; margin-bottom: 12px; padding: 8px 10px 8px 13px; border: 1px solid var(--border); border-radius: 8px; background: var(--surface-soft); display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.upload-setup-toolbar > span { color: var(--text-2); font-size: 12.5px; }
.upload-setup-toolbar .btn { flex: 0 0 auto; }
.evidence-upload-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.evidence-upload-source { min-width: 0; padding: 15px; }
.evidence-upload-source + .evidence-upload-source { border-left: 1px solid var(--border); }
.evidence-source-head { min-height: 24px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.evidence-source-head span { display: inline-flex; align-items: center; gap: 7px; min-width: 0; }
.evidence-source-head svg { width: 18px; height: 18px; color: var(--primary); }
.evidence-source-head strong { font-size: 13.5px; }
.evidence-source-head em { color: var(--text-2); font-size: 11px; font-style: normal; white-space: nowrap; }
.evidence-upload-source > p { min-height: 38px; margin: 5px 0 10px; color: var(--text-2); font-size: 11.5px; line-height: 1.55; }
.evidence-upload-source .dropzone { min-height: 148px; padding: 25px 14px; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.reference-dropzone { background: #f8fbfa; }
.answer-dropzone { background: #fbfaf6; }
.answered-option { min-height: 66px; align-items: center; background: #f8fbfa; }
.answered-option input { margin-top: 0; }
.file-list { margin-top: 14px; display: flex; flex-direction: column; gap: 8px; }
.file-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 14px;
}
.file-item .f-icon { color: var(--primary); display: flex; }
.file-item .f-name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 500; font-size: 13.5px; }
.file-item .f-status { font-size: 12px; color: var(--text-2); display: flex; align-items: center; gap: 6px; white-space: nowrap; }
.spin { animation: spin 1s linear infinite; }
.file-item img.f-thumb { width: 44px; height: 44px; object-fit: cover; border-radius: 8px; border: 1px solid var(--border); }
@keyframes spin { to { transform: rotate(360deg); } }

.processing-job-item { display: grid; gap: 7px; padding: 12px 14px; border: 1px solid #cfe3df; border-radius: 8px; background: #f4faf8; }
.processing-job-item.failed { border-color: #efc4c4; background: #fff7f7; }
.processing-job-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.processing-job-head span { display: flex; align-items: center; gap: 8px; min-width: 0; }
.processing-job-head svg { width: 17px; height: 17px; color: var(--primary); flex: 0 0 auto; }
.processing-job-item.failed .processing-job-head svg { color: var(--danger); }
.processing-job-head strong { font-size: 13px; }
.processing-job-head em { color: var(--primary); font-style: normal; font: 650 12px/1 "SFMono-Regular", Consolas, monospace; }
.processing-job-item p { color: var(--text-2); font-size: 11.5px; line-height: 1.45; }

/* ---------- 新建报告工作台 ---------- */
.report-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 22px;
}
.flow-steps { display: flex; align-items: center; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; background: #fff; }
.flow-steps span { padding: 8px 12px; color: var(--text-2); font-size: 12px; border-right: 1px solid var(--border); white-space: nowrap; }
.flow-steps span:last-child { border-right: 0; }
.flow-steps span.active { color: var(--primary); background: var(--primary-bg); font-weight: 650; }
.workspace-section { background: #fff; border: 1px solid var(--border); border-radius: 8px; padding: 24px; margin-bottom: 16px; box-shadow: var(--shadow); }
.section-heading { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 20px; }
.section-heading > i { color: var(--primary); width: 20px; height: 20px; margin-top: 1px; }
.section-heading div { display: flex; flex-direction: column; gap: 1px; }
.section-heading strong { font-size: 15px; }
.section-heading span { color: var(--text-2); font-size: 12px; font-weight: 400; }
.segmented-control { display: inline-grid; grid-template-columns: 1fr 1fr; gap: 3px; width: min(100%, 420px); padding: 3px; border: 1px solid var(--border); background: #f5f7f7; border-radius: 8px; }
.segmented-control button { min-height: 38px; border: 0; border-radius: 5px; background: transparent; color: var(--text-2); font-family: inherit; font-size: 13.5px; font-weight: 600; cursor: pointer; display: flex; align-items: center; justify-content: center; gap: 7px; }
.segmented-control button i { width: 17px; }
.segmented-control button.active { color: var(--primary); background: #fff; box-shadow: 0 1px 3px rgba(23, 32, 38, .08); }
.segmented-control button:focus-visible { outline: 2px solid var(--primary); outline-offset: 1px; }
.score-fields { grid-template-columns: 1fr 1fr; gap: 14px 18px; }
.score-field-hint { grid-column: 1 / -1; margin: -5px 0 0; color: var(--text-2); font-size: 12px; line-height: 1.55; }
.scoring-review { margin-top: 14px; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; background: var(--card); }
.scoring-review-head { min-height: 62px; padding: 12px 14px; display: flex; align-items: center; justify-content: space-between; gap: 16px; border-bottom: 1px solid var(--border); }
.scoring-review-head > div { display: flex; align-items: center; gap: 10px; min-width: 0; }
.scoring-review-head > div > svg { width: 20px; height: 20px; color: var(--primary); flex: 0 0 20px; }
.scoring-review-head span:not(.tag) { display: grid; gap: 2px; min-width: 0; }
.scoring-review-head strong { font-size: 14px; }
.scoring-review-head small { color: var(--text-2); font-size: 11.5px; }
.scoring-summary { display: grid; grid-template-columns: repeat(4, minmax(110px, .55fr)); border-bottom: 1px solid var(--border); }
.scoring-summary > div { padding: 13px 15px; border-right: 1px solid var(--border); }
.scoring-summary span { display: block; color: var(--text-2); font-size: 11px; }
.scoring-summary strong { display: block; margin-top: 4px; font-size: 17px; font-variant-numeric: tabular-nums; }
.scoring-summary p { display: flex; align-items: center; grid-column: 1 / -1; margin: 0; padding: 11px 15px; border-top: 1px solid var(--border); color: var(--text-2); font-size: 11.5px; line-height: 1.55; }
.scoring-pending { padding: 14px; background: #fffaf1; border-bottom: 1px solid #ead7af; }
.scoring-pending-title { display: flex; align-items: baseline; justify-content: space-between; gap: 14px; margin-bottom: 9px; }
.scoring-pending-title strong { color: #76511a; font-size: 13px; }
.scoring-pending-title span { color: #876a3f; font-size: 11.5px; }
.scoring-list { display: grid; }
.scoring-row { display: grid; grid-template-columns: minmax(132px, .65fr) minmax(220px, 1.5fr) 150px; gap: 12px; align-items: center; min-height: 64px; padding: 9px 2px; border-bottom: 1px solid var(--border); }
.scoring-row:last-child { border-bottom: 0; }
.scoring-question { display: grid; gap: 2px; }
.scoring-question strong { font-size: 12.5px; }
.scoring-question span, .scoring-reason { color: var(--text-2); font-size: 11.5px; line-height: 1.5; }
.scoring-row label { display: grid; gap: 4px; color: var(--text-2); font-size: 10.5px; }
.scoring-row input, .scoring-row select { height: 34px; padding: 6px 8px; font-size: 12.5px; font-variant-numeric: tabular-nums; }
.scoring-value { display: grid; justify-items: end; gap: 2px; }
.scoring-value strong { font-size: 13px; font-variant-numeric: tabular-nums; }
.scoring-value span { color: var(--text-2); font-size: 10.5px; }
.scoring-pending .btn { margin-top: 11px; }
.scoring-resolved summary { padding: 11px 14px; color: var(--text-2); font-size: 12px; cursor: pointer; }
.scoring-resolved[open] summary { border-bottom: 1px solid var(--border); }
.scoring-resolved .scoring-list { padding: 0 14px; }

.material-item { border: 1px solid var(--border); border-radius: 8px; background: #fff; overflow: hidden; }
.material-main { min-height: 66px; padding: 10px 12px; display: flex; align-items: center; gap: 12px; }
.material-main .f-icon { width: 42px; height: 42px; border-radius: 6px; background: var(--primary-bg); color: var(--primary); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.material-main img.f-thumb { width: 42px; height: 42px; object-fit: cover; border-radius: 6px; border: 1px solid var(--border); flex-shrink: 0; }
.material-copy { flex: 1; min-width: 0; }
.material-copy .f-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 650; }
.material-meta { font-size: 12px; color: var(--text-2); margin-top: 2px; }
.material-role { display: inline-block; margin-right: 6px; color: var(--primary); font-size: 11px; font-weight: 650; }
.material-role.reference { color: #7b5a21; }
.material-role.answer-key { color: #315f8d; }
.material-role-select { width: auto; min-width: 92px; height: 25px; margin-right: 6px; padding: 2px 24px 2px 7px; border-radius: 5px; border-color: var(--border); background-color: var(--surface); color: var(--text-2); font-size: 11px; font-weight: 650; vertical-align: middle; }
.material-role-select:focus { border-color: var(--primary); box-shadow: 0 0 0 2px var(--primary-bg); }
.material-main .f-status { display: flex; align-items: center; gap: 5px; }
.material-result-summary { min-height: 34px; padding: 7px 12px; border-top: 1px solid var(--border); background: #f7fbf9; color: var(--success); display: flex; align-items: center; gap: 7px; font-size: 12px; line-height: 1.45; }
.material-result-summary i { width: 15px; height: 15px; flex: 0 0 auto; }
.material-result-summary.needs-review { background: #fffaf1; color: #946015; }
.page-breakdown { border-top: 1px solid var(--border); background: #fafbfb; }
.page-breakdown summary { padding: 9px 12px; color: var(--text-2); font-size: 12px; cursor: pointer; display: flex; align-items: center; justify-content: space-between; list-style: none; }
.page-breakdown summary::-webkit-details-marker { display: none; }
.page-breakdown summary i { width: 15px; transition: transform .15s; }
.page-breakdown[open] summary i { transform: rotate(180deg); }
.page-route-list { border-top: 1px solid var(--border); }
.page-route { display: grid; grid-template-columns: 30px minmax(140px, .8fr) minmax(180px, 1.6fr) auto; gap: 10px; align-items: center; min-height: 56px; padding: 8px 12px; border-bottom: 1px solid #edf0f1; }
.page-route:last-child { border-bottom: 0; }
.page-route.needs-review { background: #fffaf1; }
.page-number { width: 27px; height: 27px; display: flex; align-items: center; justify-content: center; background: #eef1f2; border-radius: 6px; font: 650 12px/1 "SFMono-Regular", Consolas, monospace; }
.page-route > div:nth-child(2) { display: flex; flex-direction: column; }
.page-route > div:nth-child(2) strong { font-size: 12.5px; }
.page-route > div:nth-child(2) span, .route-note { color: var(--text-2); font-size: 11.5px; }
.route-ok { width: 17px; color: var(--success); }
.review-banner { margin-bottom: 18px; padding: 12px 14px; border: 1px solid #ecd8b2; border-radius: 8px; background: #fffaf1; display: flex; gap: 10px; color: #76511a; }
.review-banner > i { width: 19px; flex-shrink: 0; margin-top: 1px; }
.review-banner div { display: flex; flex-direction: column; }
.review-banner span { font-size: 12px; margin-top: 2px; }

/* ---------- 识别设置 ---------- */
.settings-focus-card { border-top: 3px solid var(--primary); }
.settings-actions { flex-wrap: wrap; }
.route-rule-grid { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.route-rule-grid > div { min-height: 74px; padding: 13px 15px; display: flex; flex-direction: column; gap: 5px; border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.route-rule-grid > div:nth-child(2n) { border-right: 0; }
.route-rule-grid > div:nth-last-child(-n+2) { border-bottom: 0; }
.route-rule-grid span { color: var(--text-2); font-size: 12px; }
.route-rule-grid strong { font-size: 13px; color: var(--text); }

/* ---------- 知识点编辑器 ---------- */
.kp-row { display: flex; gap: 10px; align-items: center; margin-bottom: 8px; }
.kp-row input:first-child { flex: 1; }
.kp-row input[type="number"] { width: 90px; }
.kp-score { display: flex; align-items: center; gap: 8px; min-width: 150px; }
.kp-score input { width: 70px; }

/* ---------- 报告详情 ---------- */
.report-hero {
  background: #fff;
  border: 1px solid var(--border);
  border-left: 4px solid var(--primary);
  border-radius: 8px;
  padding: 26px 28px;
  color: var(--text);
  margin-bottom: 20px;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: wrap;
}
.report-hero .rh-info { flex: 1; min-width: 220px; }
.report-hero .rh-title { font-size: 21px; font-weight: 700; margin-bottom: 6px; }
.report-hero .rh-meta { display: flex; align-items: center; gap: 6px 14px; flex-wrap: wrap; color: var(--text-2); font-size: 13.5px; }
.report-hero .rh-meta span { display: inline-flex; align-items: center; min-height: 20px; line-height: 20px; gap: 5px; }
.report-hero .rh-meta svg { display: block; width: 16px; height: 16px; flex: 0 0 16px; stroke-width: 2; }
.report-hero .rh-meta .tag svg { width: 14px; height: 14px; flex-basis: 14px; }
.report-hero .grade-badge.lg { background: var(--primary-bg); border: 1px solid #b9ddd8; color: var(--primary); font-size: 26px; min-width: 64px; }
.report-hero .rh-score { text-align: center; }
.report-hero .rh-score .val { font-size: 26px; font-weight: 700; }
.report-hero .rh-score .lbl { font-size: 12px; color: var(--text-2); }

/* ========== 阶段成长报告 ========== */
.narrow-container { max-width: 980px; }
.period-switch { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.subject-check-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.subject-check { position: relative; display: flex; align-items: center; gap: 10px; min-height: 62px; padding: 11px 38px 11px 13px; border: 1px solid var(--line); background: #fff; cursor: pointer; }
.subject-check:hover { border-color: #9fcac5; }
.subject-check input { position: absolute; opacity: 0; pointer-events: none; }
.subject-check span { display: grid; gap: 3px; min-width: 0; }
.subject-check strong { font-size: 14px; }
.subject-check small { color: var(--text-2); font-size: 12px; }
.subject-check > svg { position: absolute; right: 13px; width: 18px; height: 18px; color: #b8c2c7; }
.subject-check:has(input:checked) { border-color: #82bbb5; background: #eff8f7; }
.subject-check:has(input:checked) > svg { color: var(--primary); }
.range-preview { background: #fbfcfc; }
.preview-metrics { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); }
.preview-metrics > div { display: grid; gap: 3px; padding: 14px 16px; border-right: 1px solid var(--line); }
.preview-metrics > div:last-child { border-right: 0; }
.preview-metrics span { color: var(--text-2); font-size: 12px; }
.preview-metrics strong { font-size: 22px; }
.preview-subjects { display: grid; gap: 8px; margin-top: 12px; }
.preview-subjects > div { display: flex; justify-content: space-between; gap: 16px; padding: 10px 2px; border-bottom: 1px solid #edf0f1; }
.preview-subjects span { color: var(--text-2); font-size: 13px; }
.empty-inline { color: var(--text-2); padding: 15px 0; }
.form-actions-sticky { position: sticky; bottom: 0; z-index: 8; display: flex; justify-content: flex-end; gap: 10px; padding: 14px 0; background: rgba(247, 249, 250, .94); backdrop-filter: blur(10px); }

.long-report-hero { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 24px 26px; margin-bottom: 14px; border: 1px solid var(--line); border-left: 4px solid var(--primary); background: #fff; }
.long-hero-main { display: flex; align-items: center; gap: 16px; min-width: 0; }
.long-hero-icon { display: grid; place-items: center; width: 54px; height: 54px; flex: 0 0 54px; background: var(--primary-bg); color: var(--primary); }
.long-hero-icon svg { width: 26px; height: 26px; }
.long-hero-main h1 { margin: 0 0 6px; font-size: 22px; line-height: 1.35; }
.long-hero-main p { margin: 0; color: var(--text-2); font-size: 13px; }
.long-hero-scope { min-width: 74px; text-align: center; }
.long-hero-scope strong { display: block; font-size: 28px; line-height: 1; }
.long-hero-scope span { display: block; margin-top: 7px; color: var(--text-2); font-size: 12px; }
.long-metrics { display: grid; grid-template-columns: repeat(4, 1fr); margin: 18px 0; border: 1px solid var(--line); background: #fff; }
.long-metrics > div { min-width: 0; padding: 16px 18px; border-right: 1px solid var(--line); }
.long-metrics > div:last-child { border-right: 0; }
.long-metrics span, .long-metrics small { display: block; color: var(--text-2); }
.long-metrics span { font-size: 12px; }
.long-metrics strong { display: block; margin: 5px 0 4px; font-size: 23px; }
.long-metrics small { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 11.5px; }
.long-chart-grid { margin-bottom: 18px; }
.long-summary-band p { margin: 0; color: #354149; line-height: 1.85; }
.long-subjects { margin: 24px 0; border-top: 1px solid var(--line); }
.long-subject-section { padding: 24px 4px 26px; border-bottom: 1px solid var(--line); }
.long-subject-section > header { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 10px; }
.long-subject-section > header > div:first-child { display: flex; align-items: center; gap: 10px; min-width: 0; }
.subject-color { width: 4px; height: 24px; flex: 0 0 4px; }
.long-subject-section h2 { margin: 0; font-size: 19px; }
.subject-score { display: flex; align-items: center; gap: 10px; white-space: nowrap; }
.subject-score > strong { font-size: 21px; }
.metric-delta { padding: 4px 7px; font-size: 11.5px; background: #eef2f3; color: var(--text-2); }
.metric-delta.up { background: #eaf6ef; color: #187447; }
.metric-delta.down { background: #fbefef; color: #ac3f49; }
.subject-summary { margin: 0 0 18px 14px; color: var(--text-2); line-height: 1.7; }
.subject-detail-grid { display: grid; grid-template-columns: 1.1fr 1fr 1fr; gap: 26px; }
.subject-detail-grid h3 { display: flex; align-items: center; gap: 7px; margin: 0 0 11px; font-size: 14px; }
.subject-detail-grid h3 svg { width: 17px; height: 17px; color: var(--primary); }
.knowledge-change { display: grid; grid-template-columns: minmax(0, 1fr) 34px 55px; align-items: center; gap: 7px; min-height: 30px; border-bottom: 1px solid #edf0f1; font-size: 12.5px; }
.knowledge-change span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.knowledge-change strong { text-align: right; }
.knowledge-change em { color: var(--text-2); font-style: normal; text-align: right; font-size: 11.5px; }
.knowledge-change em.up { color: #187447; }
.knowledge-change em.down { color: #ac3f49; }
.detail-line { display: flex; gap: 8px; margin: 0; padding: 7px 0; border-bottom: 1px solid #edf0f1; color: #465159; font-size: 12.5px; line-height: 1.55; }
.detail-line span { min-width: 30px; color: var(--primary); font-weight: 650; }
.source-report-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px 14px; }
.source-report-list > a { display: grid; grid-template-columns: auto minmax(0, 1fr) auto auto; align-items: center; gap: 10px; padding: 11px 12px; border: 1px solid var(--line); color: inherit; text-decoration: none; }
.source-report-list > a:hover { border-color: #9fcac5; background: #fbfdfd; }
.source-report-list strong { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 13.5px; }
.source-report-list p { margin: 3px 0 0; color: var(--text-2); font-size: 11.5px; }
.source-report-list em { color: #b45309; font-size: 11px; font-style: normal; }
.source-report-list svg { width: 16px; height: 16px; color: var(--text-2); }
.long-report-actions { margin-top: 18px; }
.section-title-row { margin-bottom: 13px; }
.section-title-row .card-title { margin-bottom: 0; }
.long-report-list { display: grid; gap: 9px; }
.long-report-list > a { display: grid; grid-template-columns: 42px minmax(0, 1fr) auto 20px; align-items: center; gap: 12px; padding: 13px 14px; border: 1px solid var(--line); color: inherit; text-decoration: none; background: #fff; }
.long-report-list > a:hover { border-color: #9fcac5; background: #fbfdfd; }
.long-list-icon { display: grid; place-items: center; width: 42px; height: 42px; background: var(--primary-bg); color: var(--primary); }
.long-list-icon svg { width: 20px; height: 20px; }
.long-report-list strong { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 14px; }
.long-report-list p { margin: 4px 0 0; color: var(--text-2); font-size: 12px; }
.long-list-metrics { display: flex; gap: 7px; }
.long-list-metrics span { padding: 4px 7px; background: #f1f5f4; color: #4a595f; font-size: 11px; }
.long-report-list > a > svg { width: 17px; height: 17px; color: var(--text-2); }

@media (max-width: 860px) {
  .subject-check-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .long-metrics { grid-template-columns: repeat(2, 1fr); }
  .long-metrics > div:nth-child(2) { border-right: 0; }
  .long-metrics > div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .subject-detail-grid { grid-template-columns: 1fr; gap: 20px; }
  .source-report-list { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .period-switch { grid-template-columns: repeat(2, 1fr); }
  .subject-check-grid { grid-template-columns: 1fr; }
  .preview-metrics { grid-template-columns: 1fr; }
  .preview-metrics > div { border-right: 0; border-bottom: 1px solid var(--line); }
  .preview-metrics > div:last-child { border-bottom: 0; }
  .preview-subjects > div { align-items: flex-start; flex-direction: column; gap: 3px; }
  .long-report-hero { align-items: flex-start; padding: 18px 16px; }
  .long-hero-icon { width: 44px; height: 44px; flex-basis: 44px; }
  .long-hero-main h1 { font-size: 17px; }
  .long-hero-scope { min-width: 48px; }
  .long-hero-scope strong { font-size: 22px; }
  .long-subject-section > header { align-items: flex-start; flex-direction: column; gap: 10px; }
  .subject-score { margin-left: 14px; }
  .subject-summary { margin-left: 14px; }
  .long-report-actions { display: grid; grid-template-columns: 1fr; }
  .long-report-actions .btn { width: 100%; }
  .section-title-row { align-items: flex-start; gap: 10px; }
  .section-title-row .btn { min-width: auto; padding-inline: 10px; }
  .long-report-list > a { grid-template-columns: 38px minmax(0, 1fr) 18px; padding: 11px; }
  .long-list-icon { width: 38px; height: 38px; }
  .long-list-metrics { display: none; }
}

.section-list { display: flex; flex-direction: column; gap: 8px; }
.section-list .item { display: flex; gap: 10px; align-items: flex-start; background: #f8fafc; border: 1px solid var(--border); border-radius: 10px; padding: 10px 14px; }
.section-list .item i { margin-top: 2px; flex-shrink: 0; }
.item-good i { color: var(--success); }
.item-warn i { color: var(--warn); }
.item-tip i { color: var(--primary); }

/* 报告正文 */
.analysis-body { white-space: pre-wrap; line-height: 1.9; font-size: 14.5px; color: #334155; }

/* 资料画廊 */
.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 12px; }
.gallery a {
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  background: #f8fafc;
  display: flex;
  flex-direction: column;
  color: var(--text);
}
.gallery a:hover { border-color: var(--primary); text-decoration: none; }
.gallery img { width: 100%; height: 110px; object-fit: cover; background: #fff; }
.gallery .g-name { padding: 7px 9px; font-size: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.gallery .g-file { padding: 18px 9px; display: flex; flex-direction: column; align-items: center; gap: 6px; color: var(--text-2); font-size: 12px; }
.gallery .g-file i { font-size: 28px; color: var(--primary); }
.gallery .g-role { display: block; padding: 0 9px 8px; color: var(--text-2); font-size: 10.5px; }

/* ---------- 面包屑 ---------- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  min-height: 32px;
  min-width: 0;
  color: var(--text-2);
  font-size: 13px;
  line-height: 1;
  margin-bottom: 16px;
  white-space: nowrap;
}
.breadcrumb a { color: var(--text-2); display: inline-flex; align-items: center; height: 32px; line-height: 1; }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb-parent { gap: 4px; font-weight: 500; }
.breadcrumb-parent svg { width: 17px; height: 17px; flex: 0 0 auto; }
.breadcrumb-back {
  width: 30px;
  height: 30px;
  justify-content: center;
  flex: 0 0 auto;
  border: 1px solid transparent;
  border-radius: 8px;
}
.breadcrumb-back:hover { background: var(--primary-bg); border-color: #d7e9e6; text-decoration: none; }
.breadcrumb-back svg { width: 18px; height: 18px; }
.breadcrumb-separator { width: 13px; height: 13px; flex: 0 0 auto; color: #a7afb5; }
.breadcrumb-current { display: inline-flex; align-items: center; height: 32px; line-height: 1; color: var(--text); font-weight: 600; overflow: hidden; text-overflow: ellipsis; }

/* ---------- 骨架屏 / 加载 ---------- */
.loading { text-align: center; padding: 50px; color: var(--text-2); }
.loading i { animation: spin 1s linear infinite; display: inline-block; margin-right: 8px; }

/* ---------- 进度条 ---------- */
.progress-wrap { background: #e2e8f0; border-radius: 999px; height: 8px; overflow: hidden; }
.progress-bar { height: 100%; background: var(--primary); border-radius: 999px; transition: width .3s; }

/* ---------- 设置页 ---------- */
.setting-row { display: flex; align-items: center; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--border); }
.setting-row:last-child { border-bottom: none; }
.setting-row .s-label { font-weight: 600; min-width: 140px; }
.setting-row .s-val { flex: 1; }
.subject-chip { display: inline-flex; align-items: center; gap: 6px; background: var(--primary-bg); color: var(--primary); padding: 5px 12px; border-radius: 999px; font-size: 13px; margin: 0 8px 8px 0; }
.subject-chip button { background: none; border: none; color: inherit; cursor: pointer; display: flex; padding: 0; }
.subject-chip button:hover { color: var(--danger); }

/* ---------- 页签分栏（设置页等） ---------- */
.tab-bar {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 10px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--border);
  -webkit-overflow-scrolling: touch;
}
.tab-btn {
  padding: 8px 16px;
  border-radius: 9px;
  border: 1px solid var(--border);
  background: #fff;
  cursor: pointer;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text-2);
  white-space: nowrap;
  transition: all .15s;
  font-family: inherit;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.tab-btn:hover { border-color: var(--primary); color: var(--primary); }
.tab-btn.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ---------- 账户表格 ---------- */
.user-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.user-table th, .user-table td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); }
.user-table th { color: var(--text-2); font-weight: 600; font-size: 12.5px; }
.user-table tr:hover td { background: #f8fafc; }

/* 其他 */
.muted { color: var(--text-2); }
.mt-8 { margin-top: 8px; } .mt-16 { margin-top: 16px; } .mt-24 { margin-top: 24px; }
.mb-16 { margin-bottom: 16px; }
.flex { display: flex; align-items: center; gap: 8px; }
.flex-between { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.text-center { text-align: center; }
.hidden { display: none !important; }
code { background: #f1f5f9; padding: 1px 6px; border-radius: 5px; font-size: 13px; }

/* ========== 全站明暗主题 ========== */
.theme-toggle {
  min-width: 38px;
  height: 36px;
  padding: 0 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: transparent;
  color: var(--text-2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font: inherit;
  font-size: 12px;
  cursor: pointer;
  transition: color .15s, border-color .15s, background .15s;
}
.theme-toggle:hover { color: var(--primary); border-color: var(--primary); background: var(--primary-bg); }
.theme-toggle svg { width: 17px; height: 17px; }
.theme-toggle-login { position: fixed; top: 18px; right: 18px; z-index: 20; background: var(--card); box-shadow: var(--shadow); }

:root[data-theme="dark"] body { background: var(--bg); color: var(--text); }
:root[data-theme="dark"] .navbar,
:root[data-theme="dark"] .card,
:root[data-theme="dark"] .stat-card,
:root[data-theme="dark"] .btn,
:root[data-theme="dark"] .modal,
:root[data-theme="dark"] .student-card,
:root[data-theme="dark"] .avatar-choice,
:root[data-theme="dark"] .subject-tab,
:root[data-theme="dark"] .flow-steps,
:root[data-theme="dark"] .workspace-section,
:root[data-theme="dark"] .scoring-review,
:root[data-theme="dark"] .material-item,
:root[data-theme="dark"] .processing-job-item,
:root[data-theme="dark"] .report-hero,
:root[data-theme="dark"] .subject-check,
:root[data-theme="dark"] .long-report-hero,
:root[data-theme="dark"] .long-metrics,
:root[data-theme="dark"] .long-report-list > a,
:root[data-theme="dark"] .chart-box,
:root[data-theme="dark"] .user-table,
:root[data-theme="dark"] .assistant-tabs,
:root[data-theme="dark"] .assistant-grid,
:root[data-theme="dark"] .chat-stage,
:root[data-theme="dark"] .message-bubble,
:root[data-theme="dark"] .chat-compose,
:root[data-theme="dark"] .icon-button,
:root[data-theme="dark"] .knowledge-layout,
:root[data-theme="dark"] .wiki-layout,
:root[data-theme="dark"] .graph-shell,
:root[data-theme="dark"] .memory-shell,
:root[data-theme="dark"] .knowledge-stats div,
:root[data-theme="dark"] .search-inline,
:root[data-theme="dark"] .report-source-item,
:root[data-theme="dark"] .source-report-list > a {
  background: var(--card);
  color: var(--text);
  border-color: var(--border);
}

:root[data-theme="dark"] input[type="text"],
:root[data-theme="dark"] input[type="password"],
:root[data-theme="dark"] input[type="number"],
:root[data-theme="dark"] input[type="date"],
:root[data-theme="dark"] input[type="datetime-local"],
:root[data-theme="dark"] select,
:root[data-theme="dark"] textarea {
  background: #131d21;
  color: var(--text);
  border-color: var(--border);
}
:root[data-theme="dark"] input::placeholder,
:root[data-theme="dark"] textarea::placeholder { color: #718086; }
:root[data-theme="dark"] input[type="date"]::-webkit-calendar-picker-indicator,
:root[data-theme="dark"] input[type="datetime-local"]::-webkit-calendar-picker-indicator { filter: invert(.85); }

:root[data-theme="dark"] .assistant-sidebar,
:root[data-theme="dark"] .trace-panel,
:root[data-theme="dark"] .knowledge-sidebar,
:root[data-theme="dark"] .wiki-sidebar,
:root[data-theme="dark"] .knowledge-inspector,
:root[data-theme="dark"] .page-breakdown,
:root[data-theme="dark"] .knowledge-graph,
:root[data-theme="dark"] .range-preview,
:root[data-theme="dark"] .section-list .item,
:root[data-theme="dark"] .gallery a,
:root[data-theme="dark"] .permission-scope,
:root[data-theme="dark"] .dropzone,
:root[data-theme="dark"] .answered-option,
:root[data-theme="dark"] .report-source-item {
  background: var(--surface-soft);
  color: var(--text);
  border-color: var(--border);
}
:root[data-theme="dark"] .material-result-summary { background: #13241f; }
:root[data-theme="dark"] .material-result-summary.needs-review { background: #2b2417; }

:root[data-theme="dark"] .assistant-tabs button.active,
:root[data-theme="dark"] .mode-switch button.active,
:root[data-theme="dark"] .conversation-item:hover,
:root[data-theme="dark"] .conversation-item.active,
:root[data-theme="dark"] .folder-row > button:first-child:hover,
:root[data-theme="dark"] .wiki-list-item:hover,
:root[data-theme="dark"] .wiki-list-item.active,
:root[data-theme="dark"] .nav-link:hover,
:root[data-theme="dark"] .nav-link.active,
:root[data-theme="dark"] .breadcrumb-back:hover,
:root[data-theme="dark"] .subject-check:has(input:checked),
:root[data-theme="dark"] .segmented-control button.active {
  background: var(--primary-bg);
  color: var(--primary);
  border-color: #315a57;
}

:root[data-theme="dark"] .prompt-grid button,
:root[data-theme="dark"] .segmented-control,
:root[data-theme="dark"] .md-table-wrap th,
:root[data-theme="dark"] code,
:root[data-theme="dark"] .page-number,
:root[data-theme="dark"] .metric-delta,
:root[data-theme="dark"] .long-list-metrics span,
:root[data-theme="dark"] .tag-gray,
:root[data-theme="dark"] .message-sources span {
  background: var(--surface-muted);
  color: var(--text-2);
  border-color: var(--border);
}

:root[data-theme="dark"] .prompt-grid button:hover,
:root[data-theme="dark"] .source-report-list > a:hover,
:root[data-theme="dark"] .long-report-list > a:hover,
:root[data-theme="dark"] .user-table tr:hover td { background: #1c2a2f; }
:root[data-theme="dark"] .chat-message.user .message-bubble { background: #18302f; border-color: #28504d; }
:root[data-theme="dark"] .message-bubble blockquote,
:root[data-theme="dark"] .wiki-body blockquote,
:root[data-theme="dark"] .chat-process { background: #162522; border-color: #29433f; }
:root[data-theme="dark"] .message-bubble pre,
:root[data-theme="dark"] .wiki-body pre { background: #111a1e; border-color: var(--border); }
:root[data-theme="dark"] .chat-process-step { border-color: var(--border); }
:root[data-theme="dark"] .chat-process summary span,
:root[data-theme="dark"] .chat-process-step strong,
:root[data-theme="dark"] .detail-line,
:root[data-theme="dark"] .analysis-body,
:root[data-theme="dark"] .long-summary-band p { color: var(--text); }

:root[data-theme="dark"] .review-banner,
:root[data-theme="dark"] .stem-gate-override,
:root[data-theme="dark"] .scoring-pending,
:root[data-theme="dark"] .page-route.needs-review,
:root[data-theme="dark"] .approval-box { background: #332716; color: #f0c477; border-color: #624b25; }
:root[data-theme="dark"] .approval-box strong,
:root[data-theme="dark"] .scoring-pending-title strong,
:root[data-theme="dark"] .scoring-pending-title span,
:root[data-theme="dark"] .stem-gate-override small { color: #f0c477; }
:root[data-theme="dark"] .tag-green,
:root[data-theme="dark"] .metric-delta.up { background: #183426; color: #72d49e; }
:root[data-theme="dark"] .tag-amber { background: #382b16; color: #f0bc64; }
:root[data-theme="dark"] .tag-red,
:root[data-theme="dark"] .metric-delta.down { background: #3b2024; color: #f0969e; }
:root[data-theme="dark"] .btn-danger { border-color: #67363d; }
:root[data-theme="dark"] .btn-danger:hover { background: #3b2024; }
:root[data-theme="dark"] .report-student-context,
:root[data-theme="dark"] .batch-file-row,
:root[data-theme="dark"] .batch-file-button { background: var(--surface-soft); border-color: var(--border); }
:root[data-theme="dark"] .intake-meta-status,
:root[data-theme="dark"] .batch-student-option.selected,
:root[data-theme="dark"] .batch-student-option:hover { background: #17302e; border-color: #315a57; }
:root[data-theme="dark"] .intake-meta-status.needs-confirmation { background: #332716; border-color: #624b25; }

:root[data-theme="dark"] .timeline::before { background: var(--border); }
:root[data-theme="dark"] .timeline-item .t-card { background: var(--card); border-color: var(--border); box-shadow: var(--shadow); }
:root[data-theme="dark"] .timeline-item .t-subject,
:root[data-theme="dark"] .timeline-item .t-score { color: var(--text-2); }
:root[data-theme="dark"] .report-hero .grade-badge.lg { border-color: #315a57; }
:root[data-theme="dark"] .progress-wrap { background: #28363c; }
:root[data-theme="dark"] .processing-job-item { border-color: #31534f; background: #172927; }
:root[data-theme="dark"] .processing-job-item.failed { border-color: #684242; background: #2d2020; }
:root[data-theme="dark"] .gallery img { background: var(--surface-soft); }
:root[data-theme="dark"] .form-actions-sticky { background: rgba(16, 23, 27, .94); }
:root[data-theme="dark"] .modal-mask { background: rgba(2, 7, 10, .72); }
:root[data-theme="dark"] .navbar { box-shadow: 0 1px 0 rgba(255, 255, 255, .02); }
:root[data-theme="dark"] .chat-compose { box-shadow: 0 10px 28px rgba(0, 0, 0, .28); }
:root[data-theme="dark"] .avatar img { background: #223137; }

:root[data-theme="dark"] .login-wrap { background: #10171b; }
:root[data-theme="dark"] .login-card { background: var(--card); border: 1px solid var(--border); box-shadow: 0 24px 64px rgba(0, 0, 0, .38); }
:root[data-theme="dark"] .login-logo { background: var(--primary); color: #0b1517; }

:root[data-theme="dark"] ::-webkit-scrollbar { width: 10px; height: 10px; }
:root[data-theme="dark"] ::-webkit-scrollbar-track { background: #111a1e; }
:root[data-theme="dark"] ::-webkit-scrollbar-thumb { background: #36474d; border: 2px solid #111a1e; border-radius: 8px; }
:root[data-theme="dark"] ::-webkit-scrollbar-thumb:hover { background: #465a61; }

/* 测试中文字体渲染回退 */
@media print {
  .navbar, .toolbar, .student-actions, .report-actions { display: none !important; }
  :root[data-theme="dark"] body, body { background: #fff !important; color: #1b2024 !important; }
  :root[data-theme="dark"] .card, :root[data-theme="dark"] .chart-box,
  .card, .chart-box { background: #fff !important; color: #1b2024 !important; box-shadow: none; border-color: #ddd; }
}

/* ========== 移动端自适应（手机 / 平板） ========== */
@media (max-width: 768px) {
  /* 导航栏：避免文字截断竖排 */
  .navbar-inner { height: auto; min-height: 52px; padding: 8px 12px; gap: 8px; flex-wrap: wrap; }
  .logo { font-size: 15px; gap: 8px; }
  .logo-icon { width: 30px; height: 30px; border-radius: 8px; }
  .nav-links { gap: 3px; margin-left: 0; }
  .nav-link { padding: 6px 10px; font-size: 13px; white-space: nowrap; }
  .navbar-right { margin-left: auto; }

  /* 页面容器 */
  .container { padding: 14px 12px 50px; }
  .page-title { font-size: 18px; }
  .page-sub { font-size: 13px; }
  .batch-student-toolbar { align-items: stretch; flex-wrap: wrap; }
  .batch-student-toolbar input { max-width: none; flex: 1 1 100%; }
  .batch-student-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .batch-file-row { grid-template-columns: 20px minmax(0, 1fr) 36px; }
  .batch-file-row select { grid-column: 2 / -1; }
  .batch-student-row { grid-template-columns: 1fr; gap: 8px; }
  .batch-student-row label { justify-content: space-between; }
  .batch-reference-grid { grid-template-columns: 1fr; }
  .batch-submit-section { align-items: stretch; flex-direction: column; }
  .batch-submit-section .btn { width: 100%; justify-content: center; }
  .report-student-context, .intake-meta-status { align-items: flex-start; flex-direction: column; }

  /* 统计卡片 3 列紧凑 */
  .stats-row { grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .stat-card { padding: 10px 8px; gap: 8px; flex-direction: column; text-align: center; }
  .stat-icon { width: 30px; height: 30px; border-radius: 8px; }
  .stat-num { font-size: 17px; }
  .stat-label { font-size: 11px; }

  /* 工具栏：搜索和筛选占满 */
  .toolbar { gap: 8px; }
  .toolbar input[type="text"], .toolbar select { flex: 1; min-width: 0; max-width: none !important; }

  /* 表单单列 */
  .form-grid { grid-template-columns: 1fr; }
  .account-create-grid { grid-template-columns: 1fr !important; }
  .account-create-grid .form-item[style] { justify-content: flex-start !important; }
  .user-table thead { display: none; }
  .user-table, .user-table tbody { display: block; width: 100%; }
  .user-table tbody { display: grid; gap: 10px; }
  .user-table tbody tr {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px 14px;
    padding: 13px;
    border: 1px solid var(--border);
    border-radius: 8px;
  }
  .user-table tbody td { display: flex; flex-direction: column; gap: 4px; padding: 0; border: 0; min-width: 0; }
  .user-table tbody td::before { content: attr(data-label); font-size: 11px; color: var(--text-2); }
  .user-table tbody td:first-child, .user-table tbody td:last-child { grid-column: 1 / -1; }
  .user-table tbody td:last-child { flex-direction: row; flex-wrap: wrap; }
  .user-table tbody td:last-child::before { width: 100%; }
  .score-fields { grid-template-columns: 1fr 1fr; }
  .scoring-summary { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .scoring-summary > div { padding: 11px 10px; }
  .scoring-summary p { grid-column: 1 / -1; border-top: 1px solid var(--border); }
  .scoring-row { grid-template-columns: minmax(110px, .75fr) minmax(170px, 1.25fr) 132px; gap: 8px; }
  .report-heading { flex-direction: column; gap: 10px; }
  .flow-steps { width: 100%; }
  .flow-steps span { flex: 1; padding: 7px 5px; text-align: center; }
  .workspace-section { padding: 17px 14px; }
  .upload-options { grid-template-columns: 1fr; gap: 10px; }
  .evidence-upload-grid { grid-template-columns: 1fr; }
  .evidence-upload-source + .evidence-upload-source { border-left: 0; border-top: 1px solid var(--border); }
  .evidence-upload-source > p { min-height: 0; }
  .evidence-upload-source .dropzone { min-height: 128px; }
  .answered-option { min-height: 60px; }
  .material-main { align-items: flex-start; flex-wrap: wrap; }
  .material-copy { min-width: calc(100% - 58px); }
  .material-main .f-status { width: 100%; justify-content: flex-end; }
  .page-route { grid-template-columns: 28px minmax(0, 1fr) auto; gap: 8px; }
  .page-route .route-note { grid-column: 2 / 4; grid-row: 2; }
  .page-route > .tag, .page-route > .route-ok { grid-column: 3; grid-row: 1; white-space: nowrap; }
  .route-rule-grid { grid-template-columns: 1fr; }
  .route-rule-grid > div, .route-rule-grid > div:nth-child(2n), .route-rule-grid > div:nth-last-child(-n+2) { border-right: 0; border-bottom: 1px solid var(--border); }
  .route-rule-grid > div:last-child { border-bottom: 0; }

  /* 图表区域：强制单列（覆盖内联样式） */
  .charts-row { grid-template-columns: 1fr !important; gap: 14px; }
  .charts-row .chart-box { margin-bottom: 0; }

  /* 报告头部 */
  .report-hero { padding: 18px 16px; gap: 12px; }
  .report-hero .rh-title { font-size: 17px; }
  .report-hero .grade-badge.lg { font-size: 20px; min-width: 48px; padding: 3px 10px; }
  .report-hero .rh-score .val { font-size: 20px; }

  /* 卡片标题不换行异常 */
  .card-title { font-size: 14px; }

  /* 时间线卡片保持紧凑，避免按钮被挤出或单独占一行 */
  .history-section { margin-top: 20px; }
  .timeline { padding-left: 23px; }
  .timeline::before { left: 7px; }
  .timeline-item::before { left: -22px; top: 17px; }
  .timeline-item .t-card { grid-template-columns: 46px minmax(0, 1fr) 28px; gap: 11px; padding: 12px; }
  .timeline-item .grade-badge.lg { min-width: 44px; min-height: 44px; padding: 2px 8px; border-radius: 8px; font-size: 18px; }
  .timeline-item .t-title { font-size: 14.5px; }
  .timeline-item .t-sub { gap: 3px 11px; }
  .timeline-item .t-action { width: 28px; height: 32px; justify-content: center; }
  .timeline-item .t-action span { display: none; }

  /* 资料画廊 2 列 */
  .gallery { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .gallery img { height: 90px; }

  /* 弹窗全屏化 */
  .modal-mask { padding: 16px 10px; }
  .modal { max-width: 100%; padding: 18px; }
  .avatar-picker { grid-template-columns: repeat(8, 48px); }
  .avatar-choice { width: 48px; height: 48px; }

  /* 知识点编辑行换行 */
  .kp-row { flex-wrap: wrap; }
  .kp-score { min-width: 120px; }

  /* 学生卡片按钮紧凑 */
  .student-actions .btn { font-size: 12.5px; padding: 6px 8px; }

  /* 列表项字号 */
  .section-list .item { font-size: 13px; }

  /* 设置行换行 */
  .setting-row { flex-wrap: wrap; gap: 6px; }
  .setting-row .s-label { min-width: 100%; }

  /* 通用弹性换行 */
  .flex-between { flex-direction: column; align-items: stretch; }
  .flex-between .flex { flex-wrap: wrap; }

  /* 图表高度略减 */
  .chart-box { padding: 14px; }
  .report-overview-chart { height: 210px; }
  .report-detail-chart { height: 285px; }
}

@media (max-width: 560px) {
  .avatar-picker { grid-template-columns: repeat(auto-fit, 48px); }
  .scoring-review-head { align-items: flex-start; }
  .scoring-summary { grid-template-columns: 1fr 1fr; }
  .scoring-summary > div:nth-child(2) { border-right: 0; }
  .scoring-summary > div:nth-child(3), .scoring-summary > div:nth-child(4) { border-top: 1px solid var(--border); }
  .scoring-summary > div:nth-child(4) { border-right: 0; }
  .scoring-summary p { grid-column: 1 / -1; border-top: 1px solid var(--border); }
  .scoring-pending-title { align-items: flex-start; flex-direction: column; gap: 3px; }
  .scoring-row { grid-template-columns: 1fr 1fr; padding: 12px 0; }
  .scoring-question, .scoring-reason { grid-column: 1 / -1; }
  .scoring-value { grid-column: 1 / -1; justify-items: start; }
  .scoring-pending .btn { width: 100%; }
}

@media (max-width: 480px) {
  .stats-row { grid-template-columns: repeat(3, 1fr); }
  .student-grid { grid-template-columns: 1fr; }
  .batch-student-grid { grid-template-columns: 1fr; }
  .nav-link { font-size: 12.5px; padding: 6px 8px; }
  .nav-links .nav-link[href="/settings.html"], .navbar-right .nav-link {
    width: 34px;
    height: 34px;
    padding: 0;
    justify-content: center;
    gap: 0;
    overflow: hidden;
    font-size: 0;
  }
  .nav-links .nav-link[href="/settings.html"] svg, .navbar-right .nav-link svg {
    display: block;
    width: 18px;
    height: 18px;
  }
  .theme-toggle-nav { width: 34px; min-width: 34px; padding: 0; font-size: 0; }
  .theme-toggle-nav span { display: none; }
  .grade-chips .flex { font-size: 12px; }
  #studentHeader { padding: 18px; }
  .student-identity {
    display: grid !important;
    grid-template-columns: 48px minmax(0, 1fr);
    align-items: center;
    width: 100%;
    gap: 12px !important;
  }
  .student-identity .avatar { width: 48px !important; height: 48px !important; font-size: 21px !important; }
  .avatar-picker { grid-template-columns: repeat(4, 52px); gap: 9px; }
  .avatar-choice { width: 52px; height: 52px; }
  .avatar-upload-row { flex-wrap: wrap; }
  .avatar-file-name { flex: 1; }
  .student-identity > div { min-width: 0; }
  .student-identity > div > .flex { gap: 6px 8px !important; }
  .student-identity .student-name { font-size: 18px !important; }
  .student-header-actions {
    display: grid !important;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    width: 100%;
    gap: 8px !important;
  }
  .student-header-actions .btn {
    justify-content: center;
    min-width: 0;
    padding: 7px 4px;
    gap: 4px;
    font-size: 12px;
    white-space: nowrap;
  }
  .student-header-actions .btn svg { width: 16px; height: 16px; }
  .score-fields { grid-template-columns: 1fr; }
  .segmented-control { width: 100%; }
  .settings-actions { display: grid; grid-template-columns: 1fr 1fr; width: 100%; }
  .settings-actions .btn { width: 100%; justify-content: center; white-space: nowrap; }
  .settings-actions .btn-ghost { grid-column: 1 / -1; justify-self: end; width: auto; }
  .breadcrumb { gap: 5px; margin-bottom: 12px; }
  .breadcrumb-root, .breadcrumb-root-separator { display: none !important; }
  .breadcrumb-back { width: 32px; height: 32px; margin-left: -5px; }
  .breadcrumb-parent { margin-left: -4px; }
  .breadcrumb-current { min-width: 0; }
}