:root{
  --bg:#edf1f6;
  --surface:#ffffff;
  --surface-soft:#f7f9fc;
  --text:#172033;
  --muted:#607089;
  --border:#d9e1eb;
  --line:#e7edf4;
  --primary:#1d4ed8;
  --primary-soft:#ebf2ff;
  --accent:#0f766e;
  --danger:#b42318;
  --shadow:0 18px 40px rgba(15,23,42,.06);
  --radius-lg:22px;
  --radius-md:16px;
  --nav-height:82px;
}

/* 2026 learning home */
body.is-learning-home{
  --bg:#eef1f3;
  --surface:#fffdf9;
  --surface-soft:#f6f3ed;
  --text:#142033;
  --muted:#687386;
  --border:#dce2e7;
  --primary:#1746d1;
  --primary-soft:#eaf0ff;
  --accent:#197452;
  background:
    radial-gradient(circle at 88% 8%,rgba(255,107,74,.12),transparent 22%),
    radial-gradient(circle at 8% 18%,rgba(23,70,209,.10),transparent 26%),
    #eef1f3;
}

body.is-learning-home .dashboard-topbar{
  position:sticky;
  top:0;
  background:rgba(249,250,250,.9);
  border-bottom-color:rgba(20,32,51,.1);
}

body.is-learning-home .brand-mark{
  border-radius:50%;
  background:#142033;
  font-family:Georgia,"Noto Serif SC",serif;
}

body.is-learning-home .brand-copy strong,
body.is-learning-home .learning-hero h2,
body.is-learning-home .learning-section-head h2{
  font-family:Georgia,"Noto Serif SC","Songti SC",serif;
}

body.is-learning-home .dashboard-main{
  width:min(100%,1480px);
  padding:26px 28px 56px;
}

body.is-learning-home .content-stage{min-height:auto}

.learning-hero{
  position:relative;
  overflow:hidden;
  display:grid;
  grid-template-columns:minmax(0,1.4fr) minmax(280px,.6fr);
  min-height:390px;
  border-radius:30px;
  background:#142033;
  color:#fff;
  box-shadow:0 26px 64px rgba(20,32,51,.18);
}

.learning-hero::before{
  content:"";
  position:absolute;
  width:520px;
  height:520px;
  right:20%;
  top:-320px;
  border:1px solid rgba(255,255,255,.16);
  border-radius:50%;
  box-shadow:0 0 0 70px rgba(255,255,255,.025),0 0 0 140px rgba(255,255,255,.018);
}

.learning-hero::after{
  content:"OPEN · PRACTISE · REVIEW";
  position:absolute;
  left:34px;
  bottom:22px;
  color:rgba(255,255,255,.25);
  font-size:10px;
  font-weight:800;
  letter-spacing:.22em;
}

.learning-hero-copy{
  position:relative;
  z-index:1;
  padding:48px 50px 66px;
}

.learning-kicker{
  display:inline-flex;
  align-items:center;
  min-height:30px;
  padding:0 12px;
  border:1px solid rgba(255,255,255,.22);
  border-radius:999px;
  color:#c8d2df;
  font-size:12px;
  font-weight:750;
  letter-spacing:.04em;
}

.learning-hero h2{
  margin:24px 0 16px;
  max-width:760px;
  font-size:clamp(42px,5vw,72px);
  line-height:.98;
  letter-spacing:-.045em;
  font-weight:700;
}

.learning-hero h2 span{color:#ff8062}
.learning-hero-copy>p{max-width:660px;margin:0;color:#aebac9;line-height:1.75;font-size:15px}
.learning-hero-actions{display:flex;align-items:center;gap:10px;margin-top:28px;flex-wrap:wrap}

.home-action{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:42px;
  padding:0 16px;
  border:1px solid #ccd5de;
  border-radius:12px;
  background:#fff;
  color:#142033;
  font-weight:750;
  font-size:13px;
  text-decoration:none;
  cursor:pointer;
  transition:transform .16s ease,box-shadow .16s ease,background .16s ease;
}

.home-action:hover{transform:translateY(-1px);box-shadow:0 9px 22px rgba(20,32,51,.12)}
.home-action.primary{border-color:#ff6b4a;background:#ff6b4a;color:#fff}
.home-action.text{border-color:transparent;background:transparent;color:inherit;box-shadow:none}
.learning-hero .home-action.text{color:#d6dde6}

.target-card{
  position:relative;
  z-index:1;
  display:flex;
  flex-direction:column;
  justify-content:center;
  margin:26px;
  padding:30px;
  border:1px solid rgba(255,255,255,.15);
  border-radius:24px;
  background:rgba(255,255,255,.07);
  backdrop-filter:blur(14px);
}

.target-card-label{text-transform:uppercase;letter-spacing:.12em;color:#9facbb;font-size:11px;font-weight:800}
.target-band-row{display:flex;align-items:flex-end;gap:10px;margin:16px 0 26px}
.target-band-row strong{font-family:Georgia,serif;font-size:76px;line-height:.8;color:#fff;font-weight:600}
.target-band-row span{color:#9facbb;font-size:12px;font-weight:800;letter-spacing:.12em}
.target-card label{display:flex;align-items:center;justify-content:space-between;gap:12px;color:#bfc9d5;font-size:12px}
.target-card select{min-height:36px;padding:0 30px 0 10px;border:1px solid rgba(255,255,255,.2);border-radius:9px;background:#fff;color:#142033;font-weight:750}
.target-rule{display:flex;gap:10px;align-items:flex-start;margin-top:22px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);color:#9facbb;font-size:12px;line-height:1.55}
.target-rule i{flex:0 0 8px;width:8px;height:8px;margin-top:5px;border-radius:50%;background:#ff6b4a;box-shadow:0 0 0 5px rgba(255,107,74,.13)}

.learning-metrics{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:12px;
  margin-top:14px;
}

.learning-metric{
  position:relative;
  overflow:hidden;
  min-height:140px;
  padding:22px;
  border:1px solid rgba(20,32,51,.09);
  border-radius:20px;
  background:#fffdf9;
}

.learning-metric::after{content:"";position:absolute;right:18px;top:18px;width:9px;height:9px;border-radius:50%;background:#142033}
.learning-metric.blue::after{background:#1746d1}.learning-metric.green::after{background:#197452}.learning-metric.coral::after{background:#ff6b4a}
.learning-metric-label{color:#717c8c;font-size:11px;text-transform:uppercase;letter-spacing:.1em;font-weight:850}
.learning-metric strong{display:block;margin-top:15px;font-family:Georgia,serif;font-size:38px;line-height:1;color:#142033}
.learning-metric span{display:block;margin-top:10px;color:#7b8594;font-size:12px}

.learning-section{
  padding:26px;
  border:1px solid rgba(20,32,51,.09);
  border-radius:24px;
  background:#fffdf9;
}

.daily-plan-section{margin-top:14px}
.vocabulary-entry-section{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-top:14px;background:#eef4ff}
.vocabulary-entry-section h2{margin:5px 0 7px;font:700 25px/1.2 Georgia,"Noto Serif SC","Songti SC",serif;color:#142033}
.vocabulary-entry-section p{margin:0;color:#607089;font-size:13px;line-height:1.6}
.vocabulary-entry-eyebrow{color:#1746d1;font-size:10px;font-weight:850;letter-spacing:.15em}
.vocabulary-entry-section .home-action{flex:none;gap:8px}
.home-assignment-callout{
  display:grid;
  grid-template-columns:auto minmax(0,1fr) auto;
  align-items:center;
  gap:17px;
  margin-top:14px;
  padding:18px 20px;
  border:1px solid #f2b5a5;
  border-radius:18px;
  background:linear-gradient(105deg,#fff5f1 0%,#fffaf6 62%,#eef8f3 100%);
  box-shadow:0 10px 28px rgba(112,48,31,.07);
}
.home-assignment-mark{display:grid;place-items:center;width:46px;height:46px;border-radius:13px;background:#f06245;color:#fff;font:800 12px/1 Georgia,serif;letter-spacing:.08em}
.home-assignment-copy{min-width:0}
.home-assignment-copy>span{display:block;color:#df553a;font-size:9px;font-weight:850;letter-spacing:.12em;text-transform:uppercase}
.home-assignment-copy>strong{display:block;margin-top:5px;font-family:Georgia,"Songti SC",serif;font-size:18px}
.home-assignment-copy>p{margin:5px 0 0;color:#68746f;font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.learning-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:20px}
.learning-section-head>div>span{display:block;margin-bottom:6px;color:#1746d1;font-size:10px;font-weight:850;letter-spacing:.15em;text-transform:uppercase}
.learning-section-head h2{margin:0;font-size:28px;line-height:1.05;letter-spacing:-.025em}
.learning-section-head>p,.section-note{margin:0;color:#788392;font-size:12px;line-height:1.6}

.daily-plan{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid #e2e6e9}
.plan-item{display:grid;grid-template-columns:auto 1fr;grid-template-rows:1fr auto;column-gap:16px;min-height:220px;padding:22px;border-right:1px solid #e2e6e9}
.plan-item:last-child{border-right:none}
.plan-index{grid-row:1 / span 2;color:#a5aeb9;font-family:Georgia,serif;font-size:20px}
.plan-copy span{color:#1746d1;font-size:10px;font-weight:850;letter-spacing:.12em;text-transform:uppercase}
.plan-copy h3{margin:9px 0 8px;font-size:18px;line-height:1.35}
.plan-copy p{margin:0;color:#738091;font-size:12px;line-height:1.7}
.plan-action{grid-column:2;margin-top:18px;align-self:end}
.plan-action .home-action{width:100%}

.learning-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(380px,.95fr);gap:14px;margin-top:14px}
.type-insight-list{display:grid;gap:15px}
.type-insight{padding:12px 14px;border-radius:13px;background:#f5f3ee}
.type-insight.is-weakest{background:#fff1ec;box-shadow:inset 3px 0 0 #ff6b4a}
.type-insight-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.type-insight-head strong{font-size:13px}.type-insight-head span{font-family:Georgia,serif;font-size:18px}
.type-progress{height:6px;margin-top:10px;border-radius:999px;background:#dfe4e7;overflow:hidden}
.type-progress i{display:block;height:100%;border-radius:inherit;background:#1746d1}
.is-weakest .type-progress i{background:#ff6b4a}
.type-insight-meta{margin-top:7px;color:#7d8795;font-size:10px}

.module-launch-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.module-launch{text-align:left;min-height:146px;padding:18px;border:1px solid #e0e4e7;border-radius:16px;background:#f7f5f0;color:#142033;cursor:pointer;transition:transform .16s ease,border-color .16s ease}
.module-launch:hover{transform:translateY(-2px);border-color:#aab5c1}
.module-launch span{display:block;color:#1746d1;font-size:9px;font-weight:850;letter-spacing:.12em;text-transform:uppercase}
.module-launch strong{display:block;margin-top:8px;font-size:18px}
.module-launch em{display:block;margin-top:12px;font-family:Georgia,serif;font-style:normal;font-size:24px}
.module-launch small{display:block;margin-top:5px;color:#788392;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.module-launch.foundation-launch{background:#f1e7d5;border-color:#dfcfb4}
.module-launch.foundation-launch span{color:#b9482f}
.module-launch.foundation-launch:hover{border-color:#c9a977}

.wrong-section,.trend-home-section,.home-announcement{margin-top:14px}
.wrong-count{color:#ff6b4a;font-family:Georgia,serif;font-size:18px}
.wrong-question-list{display:grid;gap:9px}
.wrong-question-card{display:grid;grid-template-columns:48px minmax(0,1fr) auto;gap:16px;align-items:center;padding:15px;border:1px solid #e2e6e9;border-radius:16px;background:#fff}
.wrong-question-no{display:grid;place-items:center;width:48px;height:48px;border-radius:14px;background:#fff0eb;color:#a83c25;font-family:Georgia,serif;font-weight:700}
.wrong-question-title{font-size:12px;font-weight:800;color:#344255}
.wrong-answer-line{display:flex;align-items:center;gap:7px;margin-top:7px;font-size:11px;flex-wrap:wrap}
.wrong-answer-line span{color:#8993a0}.wrong-answer-line del{color:#a33c2c}.wrong-answer-line strong{color:#197452}
.wrong-question-main p{margin:6px 0 0;color:#768191;font-size:11px;line-height:1.55}
.wrong-question-actions{display:flex;gap:7px;flex-wrap:wrap;justify-content:flex-end}
.mini-action{display:inline-flex;align-items:center;justify-content:center;min-height:34px;padding:0 11px;border:1px solid #d9e0e6;border-radius:9px;color:#344255;text-decoration:none;font-size:11px;font-weight:750}
.mini-action.primary{border-color:#1746d1;background:#1746d1;color:#fff}
.learning-empty{padding:32px;border:1px dashed #cad2da;border-radius:16px;color:#7c8794;text-align:center;font-size:12px;line-height:1.7}

body.is-learning-home .trend-chart{max-height:260px}
body.is-learning-home .trend-section{background:#f7f5f0;border-color:#e0e4e7}
body.is-learning-home .announcement-panel{background:#fffdf9}

@media(max-width:1100px){
  .learning-hero{grid-template-columns:1fr minmax(250px,.55fr)}
  .learning-hero-copy{padding:42px 36px 62px}
  .learning-metrics{grid-template-columns:repeat(2,minmax(0,1fr))}
  .learning-grid{grid-template-columns:1fr}
  .daily-plan{grid-template-columns:1fr}
  .home-assignment-callout{grid-template-columns:auto minmax(0,1fr)}
  .home-assignment-callout>.home-action{grid-column:2;justify-self:start}
  .plan-item{grid-template-columns:auto 1fr auto;grid-template-rows:1fr;min-height:0;border-right:0;border-bottom:1px solid #e2e6e9}
  .plan-item:last-child{border-bottom:0}
  .plan-index{grid-row:1}.plan-action{grid-column:3;margin-top:0;align-self:center}.plan-action .home-action{width:auto}
}

@media(max-width:760px){
  .vocabulary-entry-section{align-items:flex-start;flex-direction:column}
  body.is-learning-home .dashboard-main{padding:14px 12px 40px}
  .learning-hero{grid-template-columns:1fr;border-radius:22px}
  .learning-hero-copy{padding:30px 24px 52px}
  .learning-hero h2{font-size:42px}
  .target-card{margin:0 14px 14px;padding:22px}
  .target-band-row strong{font-size:58px}
  .learning-metrics{grid-template-columns:1fr 1fr}
  .learning-metric{min-height:120px;padding:17px}.learning-metric strong{font-size:30px}
  .learning-section{padding:20px;border-radius:20px}
  .learning-section-head{align-items:flex-start;flex-direction:column}
  .plan-item{grid-template-columns:auto 1fr;grid-template-rows:1fr auto}
  .plan-action{grid-column:2;grid-row:2;margin-top:14px}.plan-action .home-action{width:100%}
  .module-launch-grid{grid-template-columns:1fr 1fr}
  .wrong-question-card{grid-template-columns:42px 1fr}.wrong-question-no{width:42px;height:42px}.wrong-question-actions{grid-column:1 / -1;justify-content:stretch}.wrong-question-actions .mini-action{flex:1}
}

@media(max-width:480px){
  .learning-metrics,.module-launch-grid{grid-template-columns:1fr}
  .learning-hero h2{font-size:36px}
  .home-assignment-callout{gap:12px;padding:15px}
}
*{box-sizing:border-box}
html,body{min-height:100%}
body{
  margin:0;
  color:var(--text);
  background:
    radial-gradient(circle at top left, rgba(29,78,216,.08), transparent 24%),
    linear-gradient(180deg,#f8fbff 0%, var(--bg) 42%, #edf1f6 100%);
  font-family:"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
}
body.modal-open{
  overflow:hidden;
}
button,input,select{font:inherit}
.dashboard-shell{min-height:100vh}
.dashboard-topbar{
  position:relative;
  z-index:40;
  display:grid;
  grid-template-columns:auto 1fr auto;
  align-items:center;
  gap:18px;
  min-height:var(--nav-height);
  padding:14px 24px;
  border-bottom:1px solid rgba(217,225,235,.95);
  background:rgba(248,251,255,.92);
  backdrop-filter:blur(14px);
}
.brand-block{display:flex;align-items:center;gap:14px}
.brand-mark{
  width:46px;
  height:46px;
  border-radius:14px;
  display:grid;
  place-items:center;
  background:linear-gradient(135deg,#1d4ed8,#0f766e);
  color:#fff;
  font-size:18px;
  font-weight:800;
}
.brand-copy strong{display:block;font-size:20px}
.brand-copy span{display:block;margin-top:4px;font-size:12px;color:var(--muted)}
.primary-nav{display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap}
.nav-item{
  border:none;
  background:transparent;
  color:var(--muted);
  min-height:40px;
  padding:0 14px;
  border-radius:999px;
  font-weight:700;
  cursor:pointer;
}
.nav-item:hover{background:rgba(235,242,255,.92);color:var(--text)}
.nav-item.is-active{background:var(--text);color:#fff}
.topbar-user{display:flex;align-items:center;gap:12px}
.user-summary{
  min-width:180px;
  padding:9px 12px;
  border:1px solid var(--border);
  border-radius:14px;
  background:rgba(255,255,255,.9);
}
.user-summary-name{font-weight:700}
.user-summary-meta{margin-top:4px;font-size:12px;color:var(--muted)}
.ghost-button,.action-link{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:40px;
  padding:0 14px;
  border:1px solid var(--border);
  border-radius:12px;
  background:#fff;
  color:var(--text);
  text-decoration:none;
  font-weight:700;
  cursor:pointer;
}
.dashboard-main{
  width:min(100%,1600px);
  margin:0 auto;
  padding:18px 20px 24px;
}
.exam-back-button{
  display:none;
  align-items:center;
  justify-content:center;
  min-height:36px;
  padding:0 12px;
  margin:0 0 10px;
  border:1px solid var(--border);
  border-radius:999px;
  background:rgba(255,255,255,.96);
  color:var(--text);
  font-weight:700;
  cursor:pointer;
}
.exam-back-button[hidden]{display:none}
.page-meta{
  margin:0 0 14px;
  padding:0 2px;
}
.page-meta[hidden]{display:none}
.page-eyebrow{
  color:var(--primary);
  font-size:12px;
  font-weight:800;
  letter-spacing:.08em;
  text-transform:uppercase;
  margin-bottom:8px;
}
.page-meta h1{margin:0;font-size:30px;line-height:1.08}
.page-meta p{margin:10px 0 0;color:var(--muted);line-height:1.7;max-width:760px}
.content-stage{
  min-height:calc(100vh - var(--nav-height) - 44px);
}
.page-view{display:grid;gap:14px}
.page-view[hidden]{
  display:none !important;
}
#profileView[hidden],
#moduleView[hidden],
#manageView[hidden]{
  display:none !important;
}
.module-frame{
  width:100%;
  min-height:calc(100vh - var(--nav-height) - 44px);
  border:none;
  border-radius:18px;
  background:transparent;
}
body.is-exam-mode{
  background:#fff;
}
body.is-exam-mode .dashboard-topbar,
body.is-exam-mode .page-meta,
body.is-exam-mode .exam-back-button{
  display:none !important;
}
body.is-exam-mode .dashboard-main{
  width:100%;
  max-width:none;
  padding:0;
  margin:0;
}
body.is-exam-mode .content-stage{
  display:block;
  margin:0;
  padding:0;
  min-height:0;
}
body.is-exam-mode .page-view{
  display:block;
  margin:0;
  padding:0;
}
body.is-exam-mode #moduleView{
  display:block !important;
}
body.is-exam-mode .module-frame{
  display:block;
  width:100%;
  height:100vh;
  min-height:100vh;
  border-radius:0;
  background:#fff;
  border:none;
  margin:0;
  padding:0;
  box-shadow:none;
}
.surface-panel,
.subpanel,
.detail-panel,
.table-panel,
.frame-panel,
.manage-hero{
  background:rgba(255,255,255,.82);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
}
.surface-panel,
.detail-panel,
.table-panel,
.manage-hero{padding:18px}
.subpanel{padding:18px}
.panel-head{
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap:14px;
  margin-bottom:16px;
}
.panel-head h2,
.panel-head h3,
.section-title,
.metric-value,
.record-title,
.detail-title{
  margin:0;
}
.panel-copy,
.detail-copy,
.record-meta,
.empty-state,
.muted-note,
.inline-meta,
.filter-note{
  color:var(--muted);
  line-height:1.7;
}
.profile-layout{
  display:grid;
  grid-template-columns:minmax(300px,380px) minmax(0,1fr);
  gap:16px;
  align-items:start;
}
.identity-card{display:grid;gap:16px}
.identity-top{display:flex;align-items:center;gap:16px}
.identity-avatar{
  width:62px;
  height:62px;
  border-radius:18px;
  display:grid;
  place-items:center;
  background:linear-gradient(135deg,#1d4ed8,#0f766e);
  color:#fff;
  font-size:24px;
  font-weight:800;
}
.identity-name{font-size:26px;font-weight:800}
.identity-role{
  margin-top:6px;
  display:inline-flex;
  align-items:center;
  min-height:28px;
  padding:0 10px;
  border-radius:999px;
  background:var(--primary-soft);
  color:var(--primary);
  font-size:12px;
  font-weight:800;
}
.identity-list{display:grid;gap:10px}
.identity-row{
  display:grid;
  gap:4px;
  padding:12px 14px;
  border:1px solid var(--line);
  border-radius:14px;
  background:var(--surface-soft);
}
.identity-label{font-size:12px;color:var(--muted)}
.identity-value{font-weight:700;word-break:break-word}
.overview-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:12px;
}
.metric-card{
  padding:14px;
  border:1px solid var(--line);
  border-radius:14px;
  background:rgba(255,255,255,.7);
}
.metric-label{font-size:12px;color:var(--muted)}
.metric-value{margin-top:10px;font-size:30px;font-weight:800}
.metric-subtitle{margin-top:8px;font-size:13px;color:var(--muted);line-height:1.6}
.profile-stack{display:grid;gap:14px}
.record-list{display:grid;gap:10px}
.record-card{
  display:grid;
  gap:10px;
  padding:12px 14px;
  border:1px solid var(--line);
  border-radius:14px;
  background:rgba(255,255,255,.68);
}
.record-top{
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap:12px;
}
.record-title{font-size:17px;font-weight:800}
.record-badge{
  display:inline-flex;
  align-items:center;
  min-height:28px;
  padding:0 10px;
  border-radius:999px;
  background:var(--primary-soft);
  color:var(--primary);
  font-size:12px;
  font-weight:800;
}
.record-value{font-size:24px;font-weight:800}
.announcement-panel{
  overflow:hidden;
}
.announcement-head{
  align-items:center;
}
.announcement-card{
  display:grid;
  gap:10px;
  padding:14px;
  border:1px solid var(--line);
  border-radius:14px;
  background:rgba(255,255,255,.74);
}
.announcement-card h3{
  margin:0;
  font-size:18px;
  line-height:1.35;
}
.announcement-content{
  color:#334155;
  line-height:1.8;
  white-space:pre-wrap;
  word-break:break-word;
}
.announcement-toast{
  position:fixed;
  right:22px;
  bottom:22px;
  z-index:70;
  width:min(360px, calc(100vw - 44px));
  padding:16px;
  border:1px solid var(--line);
  border-radius:16px;
  background:#fff;
  box-shadow:0 18px 46px rgba(15,23,42,.16);
}
.announcement-toast-head{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:12px;
}
.announcement-toast-title-wrap{
  min-width:0;
}
.announcement-toast-label{
  margin-bottom:4px;
  color:var(--muted);
  font-size:12px;
  font-weight:800;
}
.announcement-toast h2{
  margin:0;
  color:var(--text);
  font-size:17px;
  line-height:1.35;
  word-break:break-word;
}
.announcement-toast-close{
  flex:0 0 auto;
  width:30px;
  height:30px;
  border:1px solid var(--border);
  border-radius:999px;
  background:var(--surface-soft);
  color:var(--muted);
  font-size:20px;
  line-height:1;
  cursor:pointer;
}
.announcement-toast-close:hover{
  background:var(--primary-soft);
  color:var(--primary);
}
.announcement-toast-meta{
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
  margin-top:10px;
  color:var(--muted);
  font-size:12px;
}
.announcement-toast-version{
  display:inline-flex;
  align-items:center;
  min-height:24px;
  padding:0 9px;
  border-radius:999px;
  background:var(--primary-soft);
  color:var(--primary);
  font-weight:800;
}
.announcement-toast-content{
  max-height:220px;
  margin-top:12px;
  overflow:auto;
  color:#334155;
  font-size:14px;
  line-height:1.75;
  white-space:pre-wrap;
  word-break:break-word;
}
.profile-actions{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}
.action-chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:38px;
  padding:0 14px;
  border-radius:999px;
  border:1px solid var(--border);
  background:#fff;
  color:var(--text);
  text-decoration:none;
  font-weight:700;
}
.manage-shell{display:grid;gap:14px}
.secondary-nav{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
}
.secondary-nav-item{
  border:none;
  min-height:40px;
  padding:0 14px;
  border-radius:999px;
  background:#fff;
  color:var(--muted);
  border:1px solid var(--border);
  font-weight:700;
  cursor:pointer;
}
.secondary-nav-item.is-active{
  background:var(--text);
  border-color:var(--text);
  color:#fff;
}
.manage-section{display:grid;gap:12px}
.frame-panel{
  overflow:hidden;
  min-height:0;
  height:auto;
  border:none;
  border-radius:0;
  background:transparent;
  box-shadow:none;
}
.embedded-frame{
  display:block;
  width:100%;
  min-height:0;
  height:auto;
  border:none;
  background:#fff;
}
.filter-bar{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  align-items:center;
}
.filter-input,.filter-select{
  min-height:40px;
  padding:0 14px;
  border:1px solid var(--border);
  border-radius:12px;
  background:#fff;
  color:var(--text);
}
.filter-input{min-width:220px;flex:1}
.manage-table-wrap{
  border:1px solid var(--line);
  border-radius:18px;
  overflow:auto;
  background:#fff;
}
.manage-table{
  width:100%;
  border-collapse:collapse;
  min-width:1040px;
}
.manage-table th,
.manage-table td{
  padding:14px 12px;
  border-bottom:1px solid var(--line);
  text-align:left;
  vertical-align:top;
}
.manage-table th{
  background:#f8fbff;
  color:var(--muted);
  font-size:13px;
}
.manage-table tbody tr:last-child td{border-bottom:none}
.announcement-manage-grid{
  display:grid;
  grid-template-columns:360px minmax(0,1fr);
  gap:14px;
  align-items:start;
}
.announcement-form{
  display:grid;
  gap:12px;
}
.form-field{
  display:grid;
  gap:7px;
}
.form-field span{
  color:var(--muted);
  font-size:12px;
  font-weight:800;
}
.form-field .filter-input{
  min-width:0;
  width:100%;
}
.announcement-textarea{
  width:100%;
  min-height:180px;
  resize:vertical;
  padding:12px 14px;
  border:1px solid var(--border);
  border-radius:12px;
  background:#fff;
  color:var(--text);
  line-height:1.7;
}
.announcement-form-options,
.table-actions{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
  align-items:center;
}
.inline-check{
  display:inline-flex;
  gap:8px;
  align-items:center;
  color:var(--text);
  font-weight:700;
}
.announcement-table{
  min-width:1120px;
}
.announcement-table .ghost-button{
  min-height:34px;
  padding:0 10px;
  border-radius:10px;
}
.announcement-preview{
  max-width:360px;
  margin-top:6px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  white-space:pre-wrap;
}
.question-bank-batch-bar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin:14px 0;
  flex-wrap:wrap;
}
.question-bank-batch-actions{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
}
.question-bank-message{
  margin:0 0 14px;
  padding:12px 14px;
  border-radius:14px;
  border:1px solid var(--line);
}
.question-bank-message.success{
  color:var(--accent);
  background:#effcf7;
  border-color:#b7ead7;
}
.question-bank-message.error{
  color:var(--danger);
  background:#fff5f5;
  border-color:#fecaca;
}
.question-bank-inline-select{
  min-width:120px;
}
.qb-grid-wrap{
  position:relative;
}
.qb-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill, minmax(140px, 1fr));
  gap:12px;
}
.qb-card{
  position:relative;
  min-height:98px;
  height:104px;
  padding:10px;
  border-radius:10px;
  background:#fff;
  box-shadow:0 1px 3px rgba(0,0,0,.08);
  border:1px solid var(--line);
  display:grid;
  align-content:start;
  gap:8px;
  transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
  overflow:visible;
  z-index:1;
}
.qb-card:hover,
.qb-card.is-hover-open{
  transform:translateY(-2px);
  box-shadow:0 8px 20px rgba(15,23,42,.08);
  border-color:#bfd0ff;
  z-index:20;
}
.qb-card.is-saving{
  opacity:.92;
}
.qb-card.is-selected{
  border-color:#1d4ed8;
  background:#eff6ff;
}
.qb-card.is-selected::before{
  content:'✓';
  position:absolute;
  top:6px;
  left:6px;
  font-size:12px;
  background:#1d4ed8;
  color:#fff;
  border-radius:50%;
  width:18px;
  height:18px;
  display:flex;
  align-items:center;
  justify-content:center;
  z-index:2;
}
.qb-code-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:8px;
}
.qb-code{
  font-size:13px;
  font-weight:800;
  color:var(--primary);
  line-height:1;
}
.qb-title{
  min-height:34px;
  font-size:13px;
  font-weight:700;
  line-height:1.35;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  color:var(--text);
}
.qb-frequency{
  min-width:0;
  width:100%;
  min-height:34px;
  padding:0 10px;
  border-radius:8px;
}
.qb-select-marker{
  opacity:0;
  pointer-events:none;
  width:0;
  height:0;
  margin:0;
}
.qb-hover-panel{
  position:absolute;
  left:50%;
  top:-10px;
  transform:translate(-50%, -100%);
  width:200px;
  padding:10px;
  border-radius:8px;
  background:#fff;
  box-shadow:0 6px 20px rgba(0,0,0,.12);
  border:1px solid var(--line);
  z-index:50;
  opacity:0;
  visibility:hidden;
  pointer-events:none;
  transition:opacity .15s ease, visibility .15s ease;
}
.qb-card.is-hover-open .qb-hover-panel{
  opacity:1;
  visibility:visible;
  pointer-events:auto;
}
.qb-hover-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:8px;
  margin-bottom:8px;
}
.qb-hover-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  margin-bottom:8px;
  font-size:13px;
}
.qb-hover-meta{
  font-size:12px;
  color:var(--muted);
  line-height:1.5;
  margin-top:6px;
}
.qb-hover-actions{
  display:flex;
  gap:8px;
  margin-top:10px;
}
.qb-mini-btn{
  min-height:30px;
  padding:0 10px;
  border-radius:8px;
  font-size:12px;
  font-weight:700;
}
.question-bank-status-tag,
.question-bank-frequency-tag{
  display:inline-flex;
  align-items:center;
  min-height:28px;
  padding:0 10px;
  border-radius:999px;
  font-size:12px;
  font-weight:800;
  border:1px solid var(--border);
  background:#fff;
}
.question-bank-status-tag.is-saving{
  color:var(--primary);
  background:var(--primary-soft);
  border-color:#bfd0ff;
}
.question-bank-frequency-tag.freq-high{
  color:#b45309;
  background:#fff7ed;
  border-color:#fdba74;
}
.question-bank-frequency-tag.freq-medium{
  color:var(--primary);
  background:#eff6ff;
  border-color:#93c5fd;
}
.question-bank-frequency-tag.freq-low{
  color:#475569;
  background:#f8fafc;
  border-color:#cbd5e1;
}
.manage-switch{
  position:relative;
  display:inline-flex;
  align-items:center;
}
.manage-switch input{
  position:absolute;
  inset:0;
  opacity:0;
  cursor:pointer;
}
.manage-switch-ui{
  width:46px;
  height:26px;
  border-radius:999px;
  background:#d7dfeb;
  position:relative;
  transition:background .2s ease;
}
.manage-switch-ui::after{
  content:'';
  position:absolute;
  top:3px;
  left:3px;
  width:20px;
  height:20px;
  border-radius:50%;
  background:#fff;
  box-shadow:0 4px 10px rgba(15,23,42,.18);
  transition:transform .2s ease;
}
.manage-switch input:checked + .manage-switch-ui{
  background:linear-gradient(135deg,#1d4ed8,#0f766e);
}
.manage-switch input:checked + .manage-switch-ui::after{
  transform:translateX(20px);
}
.manage-switch input:disabled + .manage-switch-ui{
  opacity:.55;
}
.manage-data-layout{
  display:grid;
  grid-template-columns:minmax(320px,.86fr) minmax(0,1.14fr);
  gap:14px;
}
.record-list-shell{display:grid;gap:10px}
.record-list-item{
  padding:14px 16px;
  border:1px solid var(--line);
  border-radius:16px;
  background:#fff;
  cursor:pointer;
}
.record-list-item.is-active{border-color:#9cbaf5;background:#eef4ff}
.record-list-item h4{margin:0 0 8px}
.stack-meta{display:grid;gap:6px}
.detail-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:10px;
  margin-bottom:16px;
}
.detail-item{
  padding:12px 14px;
  border:1px solid var(--line);
  border-radius:14px;
  background:var(--surface-soft);
}
.detail-item strong{display:block;margin-bottom:6px;font-size:12px;color:var(--muted)}
.writing-grade-panel{
  position:relative;
  overflow:hidden;
  margin:4px 0 18px;
  padding:20px;
  border:1px solid #cad8f5;
  border-radius:18px;
  background:linear-gradient(135deg,#f7faff 0%,#eef4ff 68%,#fff8ef 100%);
}
.writing-grade-panel::after{
  content:"W";
  position:absolute;
  right:18px;
  top:-20px;
  color:rgba(23,70,209,.055);
  font-family:Georgia,serif;
  font-size:118px;
  line-height:1;
  pointer-events:none;
}
.writing-grade-head{position:relative;z-index:1;display:flex;align-items:flex-end;justify-content:space-between;gap:18px}
.writing-grade-head span{display:block;margin-bottom:5px;color:#1746d1;font-size:10px;font-weight:850;letter-spacing:.14em;text-transform:uppercase}
.writing-grade-head h4{margin:0;font-size:21px;letter-spacing:-.02em}
.writing-grade-formula{padding:7px 10px;border:1px solid rgba(23,70,209,.16);border-radius:999px;background:rgba(255,255,255,.7);color:#4f6383;font-size:11px}
.writing-grade-panel>p{position:relative;z-index:1;margin:10px 0 16px;color:#66758c;font-size:12px;line-height:1.65}
.writing-grade-controls{position:relative;z-index:1;display:grid;grid-template-columns:repeat(3,minmax(110px,1fr)) auto;gap:10px;align-items:end}
.writing-grade-controls label{display:grid;gap:6px}
.writing-grade-controls label>span{font-size:11px;font-weight:850;color:#33445d}
.writing-grade-controls select{width:100%;height:42px;padding:0 10px;border:1px solid #c8d3e5;border-radius:11px;background:#fff;color:#142033;font:700 14px/1 inherit;outline:none}
.writing-grade-controls select:focus{border-color:#1746d1;box-shadow:0 0 0 3px rgba(23,70,209,.1)}
.writing-grade-controls small{min-height:14px;color:#7a8799;font-size:10px}
.writing-grade-controls .is-overall select{border-color:#9ab2e7;background:#fefeff;color:#1746d1}
.writing-grade-save{height:42px;padding:0 17px;border:0;border-radius:11px;background:#142033;color:#fff;font-weight:850;cursor:pointer;box-shadow:0 8px 18px rgba(20,32,51,.14)}
.writing-grade-save:hover{background:#1746d1}.writing-grade-save:disabled{opacity:.6;cursor:wait}
.writing-grade-status{position:relative;z-index:1;min-height:18px;margin-top:10px;font-size:11px;font-weight:750}
.writing-feedback-fields{position:relative;z-index:1;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-top:16px;padding-top:16px;border-top:1px solid rgba(23,70,209,.13)}
.writing-feedback-fields label{display:grid;gap:6px}.writing-feedback-fields label>span{font-size:11px;font-weight:850;color:#33445d}
.writing-feedback-fields select,.writing-feedback-fields textarea{width:100%;border:1px solid #c8d3e5;border-radius:11px;background:#fff;color:#142033;font:650 13px/1.55 inherit;outline:none}
.writing-feedback-fields select{height:42px;padding:0 10px}.writing-feedback-fields textarea{min-height:76px;padding:10px 12px;resize:vertical}
.writing-feedback-fields select:focus,.writing-feedback-fields textarea:focus{border-color:#1746d1;box-shadow:0 0 0 3px rgba(23,70,209,.1)}
.writing-feedback-wide{grid-column:span 2}
@media(max-width:1180px){.writing-feedback-fields{grid-template-columns:repeat(2,minmax(0,1fr))}.writing-feedback-wide{grid-column:span 2}}
.writing-grade-status.is-saving{color:#4f6383}.writing-grade-status.is-success{color:#197452}.writing-grade-status.is-error{color:#b33b28}
.retake-permission-panel{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:14px;align-items:center;margin-top:16px;padding:18px;border:1px solid #d8cba9;border-radius:18px;background:linear-gradient(135deg,#fffaf0 0%,#fff5df 100%)}
.retake-permission-panel h4{margin:3px 0 6px;color:#27344b;font-size:16px}.retake-permission-panel p{margin:0;color:#66758c;font-size:12px;line-height:1.65}.retake-permission-kicker{color:#9a6d13;font-size:10px;font-weight:850;letter-spacing:.14em;text-transform:uppercase}.retake-permission-panel .writing-grade-status{grid-column:1/-1;margin-top:0}
@media(max-width:720px){.retake-permission-panel{grid-template-columns:1fr}.retake-permission-panel .ghost-button{width:100%}}
.section-list{display:grid;gap:10px}
.section-card{
  padding:14px;
  border:1px solid var(--line);
  border-radius:14px;
  background:#fff;
}
.mock-manage-page{
  height:calc(100vh - var(--nav-height) - 48px);
  height:calc(100dvh - var(--nav-height) - 48px);
  min-height:700px;
  display:flex;
  flex-direction:column;
  overflow:hidden;
}
.mock-filter-bar{
  flex:0 0 auto;
  margin-bottom:14px;
}
.mock-record-layout{
  flex:1 1 auto;
  min-height:0;
  grid-template-columns:420px minmax(0,1fr);
  gap:16px;
  overflow:hidden;
}
.mock-student-list,
.mock-detail-panel{
  min-height:0;
  overflow-y:auto;
}
.mock-student-list{
  display:block;
  padding-right:4px;
}
.mock-student-group{
  margin-bottom:12px;
}
.mock-student-card{
  width:100%;
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:8px 12px;
  padding:14px 16px;
  border:1px solid var(--line);
  border-radius:16px;
  background:#fff;
  color:var(--text);
  text-align:left;
  cursor:pointer;
}
.mock-student-group.is-active .mock-student-card{
  border-color:#8fb1f3;
  background:#eef4ff;
}
.mock-student-main{
  min-width:0;
  font-size:16px;
  line-height:1.35;
}
.mock-student-main strong,
.mock-student-main span{
  word-break:break-word;
}
.mock-student-main span,
.mock-student-meta,
.mock-student-stats{
  color:var(--muted);
}
.mock-student-toggle{
  align-self:start;
  padding:3px 8px;
  border-radius:999px;
  background:var(--primary-soft);
  color:var(--primary);
  font-size:12px;
  font-weight:800;
}
.mock-student-meta,
.mock-student-stats{
  grid-column:1 / -1;
  font-size:13px;
  line-height:1.6;
}
.mock-student-stats{
  display:flex;
  flex-wrap:wrap;
  gap:6px 12px;
}
.mock-record-list{
  display:grid;
  gap:8px;
  margin:8px 0 0 18px;
  padding-left:12px;
  border-left:2px solid var(--line);
}
.mock-record-item{
  padding:12px 14px;
  border:1px solid var(--line);
  border-radius:14px;
  background:#fff;
  cursor:pointer;
}
.mock-record-item:hover{
  border-color:#bfd0ff;
}
.mock-record-item.is-active{
  border-color:#1d4ed8;
  background:#eff6ff;
  box-shadow:0 0 0 2px rgba(29,78,216,.08);
}
.mock-record-item.has-warning{
  border-color:#f59e0b;
}
.mock-record-item h4{
  margin:0;
  font-size:15px;
  line-height:1.35;
}
.section-data-status{
  display:flex;
  flex-wrap:wrap;
  gap:6px;
  margin-top:4px;
}
.data-pill{
  display:inline-flex;
  align-items:center;
  min-height:26px;
  padding:0 9px;
  border-radius:999px;
  border:1px solid var(--border);
  background:#fff;
  color:var(--muted);
  font-size:12px;
  font-weight:800;
}
.data-pill.is-ok{
  color:#166534;
  background:#f0fdf4;
  border-color:#86efac;
}
.data-pill.is-missing{
  color:#b45309;
  background:#fffbeb;
  border-color:#fcd34d;
}
.data-pill.is-muted{
  color:#64748b;
  background:#f8fafc;
}
.mock-behavior{margin:20px 0;border:1px solid #cad8cf;border-radius:12px;overflow:hidden;background:#fff}
.mock-behavior>summary{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:48px;padding:12px 16px;background:#edf4ef;color:#214e38;cursor:pointer;font-weight:700}
.mock-behavior>summary small{font-size:11px;font-weight:500;color:#65796c}
.mock-behavior-body{padding:16px}
.mock-behavior-metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.mock-behavior-metrics>div{border-left:2px solid #9fbaa9;padding-left:12px}
.mock-behavior-metrics span{display:block;color:#64756b;font-size:11px;margin-bottom:7px}
.mock-behavior-metrics strong{font-size:20px;font-weight:650;font-variant-numeric:tabular-nums;color:#264e39}
.mock-behavior-note,.mock-behavior-empty{font-size:12px;line-height:1.8;color:#68766d;margin:14px 0}
.mock-behavior-table{max-height:400px;overflow:auto;border-top:1px solid #dfe7e1}
.mock-behavior table{width:100%;border-collapse:collapse;text-align:left;font-size:12px;line-height:1.6}
.mock-behavior th,.mock-behavior td{padding:10px 8px;border-bottom:1px solid #e6ece7;vertical-align:top}
.mock-behavior th{position:sticky;top:0;background:#f4f7f4;color:#53695a}
.mock-behavior td:first-child{white-space:nowrap;font-variant-numeric:tabular-nums}
.mock-behavior>summary:focus-visible{outline:2px solid #196044;outline-offset:-3px}
@media(max-width:640px){.mock-behavior-metrics{grid-template-columns:repeat(2,minmax(0,1fr))}.mock-behavior table{min-width:520px}.mock-behavior>summary{align-items:flex-start;flex-direction:column;gap:4px}}
.mock-answer-preview{margin-top:10px;border:1px solid #c7dacf;border-radius:12px;background:#fff;overflow:hidden;font-size:13px}
.mock-answer-preview>summary{display:flex;align-items:center;gap:10px;min-height:44px;padding:10px 14px;background:#eef6f1;color:#176344;cursor:pointer;list-style:none;font-size:13px;font-weight:800}
.mock-answer-preview>summary::-webkit-details-marker{display:none}
.mock-answer-preview>summary::before{content:'+';font-size:20px;font-weight:500;line-height:1}
.mock-answer-preview[open]>summary::before{content:'−'}
.mock-answer-preview>summary:focus-visible{outline:2px solid #176344;outline-offset:-3px}
.mock-answer-count{margin-left:auto;font-weight:500;color:#587264;font-variant-numeric:tabular-nums}
.mock-answer-content{padding:0 14px 12px}
.mock-answer-group h4,.mock-answer-writing h4{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin:16px 0 8px;font-size:13px;line-height:1.6;overflow-wrap:anywhere;color:var(--text)}
.mock-answer-group table{width:100%;min-width:0;table-layout:fixed;border-collapse:collapse;font-size:13px}
.mock-answer-group th,.mock-answer-group td{padding:9px 8px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;line-height:1.6;overflow-wrap:anywhere}
.mock-answer-group thead th{background:#f5f7f5;color:var(--muted);font-size:11px;font-weight:600}
.mock-answer-group th:first-child{width:48px;font-variant-numeric:tabular-nums}
.mock-answer-group th:last-child{width:92px}
.mock-answer-group tbody th{color:var(--text);font-size:13px}
.mock-answer-value{white-space:pre-wrap;font-weight:700}
.mock-answer-mark{font-size:12px;font-weight:700;white-space:nowrap}
.mock-answer-correct .mock-answer-value,.mock-answer-correct .mock-answer-mark{color:#176344}
.mock-answer-wrong .mock-answer-value,.mock-answer-wrong .mock-answer-mark{color:#b42318}
.mock-answer-unanswered .mock-answer-value,.mock-answer-unanswered .mock-answer-mark{color:#85600d}
.mock-answer-pending .mock-answer-value,.mock-answer-pending .mock-answer-mark{color:#64748b}
.mock-answer-expected{display:block;margin-top:3px;font-size:11px;color:var(--muted);white-space:pre-wrap;font-weight:400}
.mock-answer-writing h4 span{font-size:11px;font-weight:500;color:var(--muted);flex-shrink:0}
.mock-answer-writing p{margin:0;white-space:pre-wrap;overflow-wrap:anywhere;font-size:13px;line-height:1.8;color:var(--text)}
.mock-answer-empty{padding:14px 0 0;margin:0;color:var(--muted);font-size:13px}
.mock-raw-data{margin-top:10px;font-size:12px;color:var(--muted)}
.mock-raw-data>summary{cursor:pointer;padding:4px 0}
.mock-raw-data .json-detail{margin-top:8px}
@media(max-width:600px){.mock-answer-content{padding:0 8px 10px}.mock-answer-group th,.mock-answer-group td{padding:8px 5px}.mock-answer-group th:first-child{width:38px}.mock-answer-group th:last-child{width:80px}.mock-answer-writing h4{flex-wrap:wrap}}
.mock-warning-panel{
  margin-bottom:14px;
  padding:12px 14px;
  border:1px solid #fcd34d;
  border-radius:14px;
  background:#fffbeb;
  color:#92400e;
}
.mock-warning-panel strong{display:block;margin-bottom:6px}
.mock-warning-panel ul{margin:0;padding-left:18px;line-height:1.7}
.mock-warning-note{
  margin-top:6px;
  padding:8px 10px;
  font-size:12px;
}
.section-action-link{
  align-self:flex-start;
  margin-top:2px;
}
.json-detail{
  margin-top:8px;
}
.json-detail summary{
  color:var(--primary);
  cursor:pointer;
  font-size:12px;
  font-weight:800;
}
.json-detail pre{
  max-height:220px;
  overflow:auto;
  margin:8px 0 0;
  padding:10px;
  border:1px solid var(--line);
  border-radius:10px;
  background:#f8fbff;
  color:#334155;
  font-size:12px;
  white-space:pre-wrap;
  word-break:break-word;
}
.trend-shell{
  padding:16px;
  border:1px solid var(--line);
  border-radius:18px;
  background:#fff;
}
.student-trend-list{
  display:grid;
  gap:10px;
}
.trend-manage-page{
  height:calc(100vh - var(--nav-height) - 190px);
  min-height:520px;
  display:flex;
  flex-direction:column;
  overflow:hidden;
}
.trend-record-layout{
  flex:1 1 auto;
  min-height:0;
  grid-template-columns:360px minmax(0,1fr);
  gap:16px;
  overflow:hidden;
}
.trend-student-list,
.trend-detail-panel{
  min-height:0;
  overflow-y:auto;
}
.trend-student-list{
  display:block;
  padding-right:4px;
}
.student-trend-list-item{
  width:100%;
  display:grid;
  gap:8px;
  padding:14px 16px;
  border:1px solid var(--line);
  border-radius:16px;
  background:#fff;
  color:var(--text);
  text-align:left;
  cursor:pointer;
}
.student-trend-list-item:hover{
  border-color:#bfd0ff;
}
.student-trend-list-item.is-active{
  border-color:#1d4ed8;
  background:#eff6ff;
  box-shadow:0 0 0 2px rgba(29,78,216,.08);
}
.student-trend-card{
  padding:18px;
  border:1px solid var(--line);
  border-radius:18px;
  background:#fff;
}
.student-trend-head{
  margin-bottom:12px;
}
.trend-split-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:14px;
}
.trend-split-grid.trend-three-grid{
  grid-template-columns:repeat(2,minmax(0,1fr));
}
.trend-split-grid.trend-three-grid > .trend-section:last-child{
  grid-column:1 / -1;
}
.trend-section{
  display:grid;
  gap:10px;
}
.trend-section h3{
  margin:0;
  font-size:16px;
  color:var(--text);
}
.trend-chart{width:100%;height:320px;display:block}
.trend-axis,.trend-grid{stroke:#ccd6e3;stroke-width:1}
.trend-grid{stroke-dasharray:4 4}
.trend-line{fill:none;stroke:var(--primary);stroke-width:3}
.trend-point{fill:var(--accent);stroke:#fff;stroke-width:2}
.trend-label,.trend-value-label{font-size:12px;fill:#506079}
.trend-value-label{font-weight:800}
.empty-state{
  padding:24px 18px;
  border:1px dashed var(--border);
  border-radius:16px;
  text-align:center;
}
.inline-note{
  padding:12px 14px;
  border-radius:14px;
  border:1px solid #fecaca;
  background:#fff5f5;
  color:var(--danger);
}
@media (max-width:1160px){
  .dashboard-topbar{grid-template-columns:1fr;justify-items:start}
  .primary-nav{justify-content:flex-start}
  .topbar-user{width:100%;justify-content:space-between}
  .profile-layout,
  .overview-grid,
  .manage-data-layout,
  .announcement-manage-grid,
  .detail-grid,
  .trend-split-grid,
  .trend-split-grid.trend-three-grid{grid-template-columns:1fr}
  .trend-split-grid.trend-three-grid > .trend-section:last-child{grid-column:auto}
  .mock-record-layout{grid-template-columns:minmax(320px,380px) minmax(0,1fr)}
  .trend-record-layout{grid-template-columns:minmax(300px,360px) minmax(0,1fr)}
  .writing-grade-controls{grid-template-columns:repeat(2,minmax(120px,1fr))}
  .writing-grade-save{grid-column:1 / -1}
}
@media (min-width:721px) and (max-width:900px){
  body.is-learning-home .dashboard-topbar{padding:14px 18px}
  body.is-learning-home .dashboard-main{padding:18px 18px 42px}
  body.is-learning-home .learning-hero{grid-template-columns:1fr;min-height:0}
  body.is-learning-home .learning-hero-copy{padding:40px 40px 58px}
  body.is-learning-home .learning-hero h2{font-size:54px}
  body.is-learning-home .target-card{margin:0 24px 24px;padding:22px 26px}
  body.is-learning-home .target-controls{grid-template-columns:1fr 1fr;gap:18px}
  body.is-learning-home .target-rule{margin-top:14px}
  .mock-manage-page,.trend-manage-page{height:auto;min-height:0;overflow:visible}
  .mock-record-layout,.trend-record-layout{grid-template-columns:1fr;overflow:visible}
  .mock-student-list,.mock-detail-panel,.trend-student-list,.trend-detail-panel{max-height:none;overflow:visible}
  .mock-record-list{grid-template-columns:repeat(2,minmax(0,1fr))}
  .manage-tabs{overflow-x:auto;flex-wrap:nowrap;scrollbar-width:none}
  .manage-tabs::-webkit-scrollbar{display:none}
  .manage-tab{flex:0 0 auto}
}
@media (max-width:720px){
  .dashboard-topbar{padding:14px 16px}
  .dashboard-main{padding:14px 12px 18px}
  .user-summary{min-width:0}
  .page-meta h1{font-size:26px}
  .announcement-toast{
    right:12px;
    bottom:12px;
    width:calc(100vw - 24px);
  }
  .module-frame,
  .embedded-frame{
    min-height:72vh;
    border-radius:14px;
  }
  body.is-exam-mode .module-frame{
    height:100vh;
    min-height:100vh;
    border-radius:0;
  }
  .writing-grade-head{align-items:flex-start;flex-direction:column}
  .writing-grade-controls{grid-template-columns:1fr}
  .writing-grade-save{grid-column:auto}
}

@media (max-width:720px){
  body.is-learning-home .dashboard-topbar{
    display:flex;
    align-items:center;
    justify-content:space-between;
    flex-wrap:wrap;
    gap:10px;
    padding:10px 12px;
  }
  body.is-learning-home .brand-block{flex:1 1 auto}
  body.is-learning-home .brand-mark{width:40px;height:40px}
  body.is-learning-home .brand-copy span{display:none}
  body.is-learning-home .primary-nav{
    order:3;
    width:100%;
    flex-wrap:nowrap;
    justify-content:flex-start;
    overflow-x:auto;
    padding-bottom:2px;
    scrollbar-width:none;
  }
  body.is-learning-home .primary-nav::-webkit-scrollbar{display:none}
  body.is-learning-home .nav-item{flex:0 0 auto;min-height:34px;padding:0 11px}
  body.is-learning-home .topbar-user{width:auto;gap:7px}
  body.is-learning-home .user-summary{padding:7px 10px}
  body.is-learning-home .user-summary-meta{display:none}
  body.is-learning-home .ghost-button{min-height:36px;padding:0 10px}
}

body.is-learning-home .target-controls{
  display:grid;
  gap:10px;
}
body.is-learning-home .target-controls label{
  min-height:42px;
  padding:4px 0;
  border-bottom:1px solid rgba(255,255,255,.09);
}
body.is-learning-home .target-controls label:last-child{border-bottom:0}

body.is-learning-home .plan-basis{
  display:flex;
  align-items:center;
  gap:12px;
  margin:-4px 0 18px;
  padding:11px 14px;
  border:1px solid #dfe4e8;
  border-radius:12px;
  background:#f6f4ef;
  color:#647083;
  font-size:11px;
  line-height:1.55;
}
body.is-learning-home .plan-basis span{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  min-height:24px;
  padding:0 8px;
  border-radius:999px;
  background:#142033;
  color:#fff;
  font-size:9px;
  font-weight:850;
  letter-spacing:.08em;
}
body.is-learning-home .plan-basis strong{font-weight:700;color:#39475a}
body.is-learning-home .plan-sync-note{
  display:flex;
  align-items:center;
  gap:8px;
  margin:10px 0 14px;
  color:#657184;
  font-size:10px;
  font-weight:700;
}
body.is-learning-home .plan-sync-note i{
  display:grid;
  place-items:center;
  width:22px;
  height:22px;
  border-radius:7px;
  background:#e8f3ed;
  color:#197452;
  font-style:normal;
  font-size:13px;
}

body.is-learning-home .daily-plan{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:10px;
  border-top:0;
}
body.is-learning-home .plan-item{
  display:grid;
  grid-template-columns:auto minmax(0,1fr);
  grid-template-rows:1fr auto;
  column-gap:13px;
  min-height:245px;
  padding:18px;
  border:1px solid #e0e5e8;
  border-radius:16px;
  background:#faf8f4;
}
body.is-learning-home .plan-item:last-child{border-right:1px solid #e0e5e8}
body.is-learning-home .plan-item.is-complete{
  border-color:#acd7c6;
  background:#f1f8f4;
  box-shadow:inset 0 3px 0 #197452;
}
body.is-learning-home .plan-item.is-complete .plan-copy h3{text-decoration:line-through;text-decoration-color:rgba(25,116,82,.38)}
body.is-learning-home .plan-label-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:8px;
  flex-wrap:wrap;
}
body.is-learning-home .plan-label-row>span{
  color:#1746d1;
  font-size:10px;
  font-weight:850;
  letter-spacing:.08em;
  text-transform:uppercase;
}
body.is-learning-home .plan-mode{
  display:inline-flex;
  align-items:center;
  min-height:22px;
  padding:0 7px;
  border:1px solid #d9e0e5;
  border-radius:999px;
  background:#fff;
  color:#748092;
  font-size:9px;
  font-weight:750;
}
body.is-learning-home .plan-action{display:grid;gap:8px}
body.is-learning-home .plan-complete-toggle{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:36px;
  padding:0 10px;
  border:1px solid #d9e0e5;
  border-radius:10px;
  background:#fff;
  color:#657184;
  font:750 10px/1 inherit;
  cursor:pointer;
}
body.is-learning-home .plan-complete-toggle i{
  display:grid;
  place-items:center;
  width:17px;
  height:17px;
  border:1px solid #aeb8c3;
  border-radius:5px;
  color:#fff;
  font-style:normal;
  font-size:11px;
}
body.is-learning-home .plan-complete-toggle[aria-pressed="true"]{border-color:#9bcbb8;color:#197452;background:#fff}
body.is-learning-home .plan-complete-toggle[aria-pressed="true"] i{border-color:#197452;background:#197452}
body.is-learning-home .plan-complete-toggle:disabled{opacity:.55;cursor:wait}

@media(max-width:1180px){
  body.is-learning-home .daily-plan{grid-template-columns:repeat(2,minmax(0,1fr))}
  body.is-learning-home .plan-item{min-height:210px}
}

@media(max-width:720px){
  body.is-learning-home .plan-basis{align-items:flex-start;flex-direction:column}
  body.is-learning-home .daily-plan{grid-template-columns:1fr}
  body.is-learning-home .plan-item{
    grid-template-columns:auto minmax(0,1fr);
    grid-template-rows:1fr auto;
    min-height:0;
    border-bottom:1px solid #e0e5e8;
  }
  body.is-learning-home .plan-action{grid-column:2;grid-row:2;margin-top:14px}
}

/* 2026 management console */
body.is-manage-mode{
  --bg:#e9ede9;
  --surface:#fbfbf7;
  --surface-soft:#f1f3ee;
  --text:#172320;
  --muted:#68756f;
  --border:#d4dbd5;
  --line:#e1e6e1;
  --primary:#e95235;
  --primary-soft:#fff0eb;
  --accent:#14745d;
  --shadow:0 20px 55px rgba(17,34,31,.09);
  background:
    linear-gradient(135deg,rgba(17,34,31,.035) 25%,transparent 25%) 0 0/28px 28px,
    linear-gradient(315deg,rgba(17,34,31,.025) 25%,transparent 25%) 0 0/28px 28px,
    #e9ede9;
  font-family:"Microsoft YaHei UI","PingFang SC",sans-serif;
}

body.is-manage-mode .dashboard-topbar{
  position:sticky;
  top:0;
  z-index:60;
  grid-template-columns:auto minmax(0,1fr) auto;
  min-height:72px;
  padding:10px 22px;
  border-bottom:1px solid rgba(255,255,255,.09);
  background:rgba(17,34,31,.97);
  box-shadow:0 12px 34px rgba(12,25,22,.14);
  backdrop-filter:blur(18px);
}
body.is-manage-mode .brand-block{gap:11px;color:#fff}
body.is-manage-mode .brand-mark{
  width:42px;
  height:42px;
  border-radius:11px;
  background:#f06245;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.22);
  font-family:Georgia,serif;
}
body.is-manage-mode .brand-copy strong{font-family:Georgia,"Songti SC",serif;font-size:19px;letter-spacing:.01em}
body.is-manage-mode .brand-copy span{margin-top:2px;color:#9eb0aa;font-size:10px;letter-spacing:.06em}
body.is-manage-mode .primary-nav{
  min-width:0;
  justify-content:center;
  flex-wrap:nowrap;
  gap:3px;
  overflow-x:auto;
  scrollbar-width:none;
}
body.is-manage-mode .primary-nav::-webkit-scrollbar{display:none}
body.is-manage-mode .nav-item{
  flex:0 0 auto;
  min-height:36px;
  padding:0 11px;
  border-radius:8px;
  color:#aebdb8;
  font-size:13px;
  font-weight:700;
  transition:color .18s ease,background .18s ease,transform .18s ease;
}
body.is-manage-mode .nav-item:hover{color:#fff;background:rgba(255,255,255,.08);transform:translateY(-1px)}
body.is-manage-mode .nav-item.is-active{color:#fff;background:#e95235;box-shadow:0 7px 20px rgba(233,82,53,.24)}
body.is-manage-mode .topbar-user{gap:8px}
body.is-manage-mode .user-summary{
  min-width:154px;
  padding:7px 11px;
  border-color:rgba(255,255,255,.13);
  border-radius:10px;
  background:rgba(255,255,255,.055);
}
body.is-manage-mode .user-summary-name{color:#fff;font-size:13px}
body.is-manage-mode .user-summary-meta{margin-top:2px;color:#91a39d;font-size:10px}
body.is-manage-mode .topbar-user>.ghost-button{
  min-height:38px;
  border-color:rgba(255,255,255,.16);
  border-radius:9px;
  background:transparent;
  color:#cbd5d1;
  font-size:12px;
}
body.is-manage-mode .topbar-user>.ghost-button:hover{border-color:rgba(255,255,255,.34);color:#fff;background:rgba(255,255,255,.07)}

body.is-manage-mode .dashboard-main{width:min(100%,1720px);padding:24px 26px 40px}
body.is-manage-mode .page-meta{
  position:relative;
  overflow:hidden;
  min-height:164px;
  margin:0 0 16px;
  padding:29px 34px;
  border:1px solid #d6d9d0;
  border-radius:24px;
  background:#f8f4ea;
  box-shadow:0 15px 40px rgba(17,34,31,.06);
}
body.is-manage-mode .page-meta::before{
  content:"";
  position:absolute;
  right:-90px;
  top:-175px;
  width:390px;
  height:390px;
  border:1px solid rgba(23,35,32,.11);
  border-radius:50%;
  box-shadow:0 0 0 55px rgba(23,35,32,.025),0 0 0 110px rgba(23,35,32,.016);
}
body.is-manage-mode .page-meta::after{
  content:"OPERATIONS  /  OPENIELTS";
  position:absolute;
  right:34px;
  bottom:27px;
  color:#9a9d94;
  font:800 9px/1 Georgia,serif;
  letter-spacing:.22em;
}
body.is-manage-mode .page-meta>div{position:relative;z-index:1}
body.is-manage-mode .page-eyebrow{margin-bottom:10px;color:#e95235;font-size:10px;letter-spacing:.17em}
body.is-manage-mode .page-meta h1{
  font-family:Georgia,"STZhongsong","Songti SC",serif;
  font-size:clamp(34px,4vw,52px);
  font-weight:700;
  line-height:1;
  letter-spacing:-.035em;
}
body.is-manage-mode .page-meta p{max-width:720px;margin-top:13px;color:#65706b;font-size:13px;line-height:1.7}
body.is-manage-mode .content-stage{min-height:0}

body.is-manage-mode .manage-shell{
  display:grid;
  grid-template-columns:174px minmax(0,1fr);
  gap:12px;
  align-items:start;
}
body.is-manage-mode .manage-sidebar{
  position:sticky;
  top:88px;
  display:flex;
  flex-direction:column;
  min-height:470px;
  padding:14px 8px 10px;
  border:1px solid rgba(255,255,255,.07);
  border-radius:22px;
  background:#11221f;
  color:#fff;
  box-shadow:0 18px 48px rgba(17,34,31,.17);
}
body.is-manage-mode .manage-sidebar-head{padding:4px 9px 13px;border-bottom:1px solid rgba(255,255,255,.09)}
body.is-manage-mode .manage-sidebar-head span{display:block;color:#f2785f;font-size:9px;font-weight:850;letter-spacing:.18em;text-transform:uppercase}
body.is-manage-mode .manage-sidebar-head strong{display:block;margin-top:7px;font-family:Georgia,"Songti SC",serif;font-size:16px}
body.is-manage-mode .secondary-nav{display:grid;gap:5px;margin-top:11px}
body.is-manage-mode .secondary-nav-item{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1fr);
  align-items:center;
  gap:9px;
  width:100%;
  min-height:48px;
  padding:8px 10px;
  border:0;
  border-radius:12px;
  background:transparent;
  color:#aebdb8;
  text-align:left;
  transition:background .18s ease,color .18s ease,transform .18s ease;
}
body.is-manage-mode .secondary-nav-item:hover{background:rgba(255,255,255,.07);color:#fff;transform:translateX(2px)}
body.is-manage-mode .secondary-nav-item.is-active{background:#f06245;color:#fff;box-shadow:0 10px 24px rgba(0,0,0,.16)}
body.is-manage-mode .secondary-nav-index{display:none;font:700 11px/1 Georgia,serif;color:#71837d}
body.is-manage-mode .secondary-nav-item.is-active .secondary-nav-index{color:rgba(255,255,255,.68)}
body.is-manage-mode .secondary-nav-copy{display:grid;gap:3px;min-width:0}
body.is-manage-mode .secondary-nav-copy strong{font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
body.is-manage-mode .secondary-nav-copy small{color:#71837d;font-size:9px;font-weight:650;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
body.is-manage-mode .secondary-nav-item.is-active small{color:rgba(255,255,255,.7)}
body.is-manage-mode .secondary-nav-arrow{display:none;font-size:11px;opacity:0;transform:translate(-4px,4px);transition:.18s ease}
body.is-manage-mode .secondary-nav-item:hover .secondary-nav-arrow,
body.is-manage-mode .secondary-nav-item.is-active .secondary-nav-arrow{opacity:1;transform:none}
body.is-manage-mode .manage-sidebar-foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  margin-top:auto;
  padding:12px 10px 5px;
  border-top:1px solid rgba(255,255,255,.09);
  color:#788b84;
  font-size:10px;
}
body.is-manage-mode .manage-sidebar-foot strong{color:#dbe3df;font-size:11px}
body.is-manage-mode .manage-workspace{min-width:0}
body.is-manage-mode .manage-section{gap:14px;animation:manage-enter .32s cubic-bezier(.22,1,.36,1) both}
@keyframes manage-enter{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

body.is-manage-mode .surface-panel,
body.is-manage-mode .subpanel,
body.is-manage-mode .detail-panel,
body.is-manage-mode .table-panel{
  border-color:#d9dfda;
  border-radius:19px;
  background:rgba(251,251,247,.94);
  box-shadow:0 10px 34px rgba(17,34,31,.055);
}
body.is-manage-mode .filter-bar{
  padding:10px;
  border:1px solid #d9dfda;
  border-radius:16px;
  background:rgba(251,251,247,.95);
  box-shadow:0 9px 28px rgba(17,34,31,.05);
}
body.is-manage-mode .filter-input,
body.is-manage-mode .filter-select{
  min-height:42px;
  border-color:#d7ddd8;
  border-radius:10px;
  background:#fff;
  outline:none;
  transition:border-color .16s ease,box-shadow .16s ease;
}
body.is-manage-mode .filter-input:focus,
body.is-manage-mode .filter-select:focus{border-color:#14745d;box-shadow:0 0 0 3px rgba(20,116,93,.1)}
body.is-manage-mode .filter-bar>.ghost-button{min-height:42px;border-color:#11221f;border-radius:10px;background:#11221f;color:#fff;padding-inline:19px}
body.is-manage-mode .filter-bar>.ghost-button:hover{background:#14745d;border-color:#14745d}
body.is-manage-mode .record-list-shell{gap:8px}
body.is-manage-mode .mock-student-card,
body.is-manage-mode .student-trend-list-item,
body.is-manage-mode .record-list-item,
body.is-manage-mode .mock-record-item{
  border-color:#dde2de;
  border-radius:14px;
  background:#fbfbf7;
  transition:border-color .17s ease,background .17s ease,box-shadow .17s ease,transform .17s ease;
}
body.is-manage-mode .mock-student-card:hover,
body.is-manage-mode .student-trend-list-item:hover,
body.is-manage-mode .record-list-item:hover,
body.is-manage-mode .mock-record-item:hover{border-color:#9fb4aa;transform:translateY(-1px);box-shadow:0 7px 18px rgba(17,34,31,.06)}
body.is-manage-mode .mock-student-group.is-active .mock-student-card,
body.is-manage-mode .student-trend-list-item.is-active,
body.is-manage-mode .record-list-item.is-active,
body.is-manage-mode .mock-record-item.is-active{
  border-color:#f06245;
  background:#fff1ec;
  box-shadow:inset 3px 0 0 #f06245;
}
body.is-manage-mode .mock-student-toggle{background:#e9f4ef;color:#14745d}
body.is-manage-mode .data-pill{border-radius:7px}
body.is-manage-mode .detail-item{border-color:#e0e5e1;border-radius:12px;background:#f3f5f0}
body.is-manage-mode .manage-table-wrap{border-color:#d9dfda;border-radius:17px;box-shadow:0 8px 26px rgba(17,34,31,.045)}
body.is-manage-mode .manage-table th{background:#eef1ec;color:#5c6b65;font-size:11px;letter-spacing:.04em;text-transform:uppercase}
body.is-manage-mode .manage-table tbody tr:hover{background:#fbf6ed}
body.is-manage-mode .empty-state{border-color:#cad4ce;background:rgba(255,255,255,.38)}
body.is-manage-mode .writing-grade-panel{border-color:#ccd8d1;background:linear-gradient(135deg,#f2f7f3 0%,#eef5f0 65%,#fff0eb 100%)}
body.is-manage-mode .writing-grade-head span{color:#14745d}
body.is-manage-mode .writing-grade-save{background:#11221f}
body.is-manage-mode .writing-grade-save:hover{background:#14745d}
body.is-manage-mode .trend-line{stroke:#14745d}
body.is-manage-mode .trend-point{fill:#f06245}
body.is-manage-mode .question-bank-message.success{background:#edf7f2;border-color:#b8dccb}
body.is-manage-mode .qb-card.is-selected{border-color:#f06245;background:#fff1ec}
body.is-manage-mode .qb-card.is-selected::before{background:#f06245}
body.is-manage-mode .manage-switch input:checked + .manage-switch-ui{background:#14745d}
body.is-manage-mode .embedded-frame{border-radius:18px;background:#fbfbf7}

@media(max-width:1180px){
  body.is-manage-mode .dashboard-topbar{grid-template-columns:auto minmax(0,1fr) auto;justify-items:stretch}
  body.is-manage-mode .primary-nav{justify-content:flex-start}
  body.is-manage-mode .topbar-user{width:auto;justify-content:flex-end}
}

@media(max-width:960px){
  body.is-manage-mode .dashboard-topbar{display:flex;flex-wrap:wrap;gap:9px;padding:10px 14px}
  body.is-manage-mode .brand-block{flex:1 1 auto}
  body.is-manage-mode .brand-copy span{display:none}
  body.is-manage-mode .primary-nav{order:3;width:100%;justify-content:flex-start}
  body.is-manage-mode .manage-shell{grid-template-columns:1fr}
  body.is-manage-mode .manage-sidebar{position:relative;top:auto;display:block;min-height:0;padding:12px;border-radius:18px}
  body.is-manage-mode .manage-sidebar-head{display:none}
  body.is-manage-mode .secondary-nav{display:flex;gap:6px;margin:0;overflow-x:auto;scrollbar-width:none}
  body.is-manage-mode .secondary-nav::-webkit-scrollbar{display:none}
  body.is-manage-mode .secondary-nav-item{flex:0 0 auto;width:auto;min-height:45px;grid-template-columns:auto auto;padding:7px 12px}
  body.is-manage-mode .secondary-nav-copy{display:block}
  body.is-manage-mode .secondary-nav-copy small,
  body.is-manage-mode .secondary-nav-arrow{display:none}
  body.is-manage-mode .manage-sidebar-foot{display:none}
  body.is-manage-mode .mock-manage-page,
  body.is-manage-mode .trend-manage-page{height:auto;min-height:0;overflow:visible}
  body.is-manage-mode .mock-record-layout,
  body.is-manage-mode .trend-record-layout{grid-template-columns:1fr;overflow:visible}
  body.is-manage-mode .mock-student-list,
  body.is-manage-mode .mock-detail-panel,
  body.is-manage-mode .trend-student-list,
  body.is-manage-mode .trend-detail-panel{max-height:none;overflow:visible}
}

@media(max-width:640px){
  body.is-manage-mode .dashboard-main{padding:13px 10px 28px}
  body.is-manage-mode .page-meta{min-height:148px;padding:23px 22px;border-radius:19px}
  body.is-manage-mode .page-meta::after{display:none}
  body.is-manage-mode .page-meta h1{font-size:36px}
  body.is-manage-mode .page-meta p{font-size:12px}
  body.is-manage-mode .user-summary{display:none}
  body.is-manage-mode .primary-nav .nav-item:nth-child(-n+5){display:none}
  body.is-manage-mode .primary-nav{justify-content:flex-end}
  body.is-manage-mode .manage-shell{gap:10px}
  body.is-manage-mode .manage-sidebar{margin-inline:-1px;padding:9px;border-radius:15px}
  body.is-manage-mode .secondary-nav-item{min-height:40px;padding:5px 10px}
  body.is-manage-mode .secondary-nav-index{display:none}
  body.is-manage-mode .filter-bar{align-items:stretch}
  body.is-manage-mode .filter-input,
  body.is-manage-mode .filter-select{width:100%;min-width:0;flex:1 1 100%}
  body.is-manage-mode .filter-bar>.ghost-button{width:100%}
  body.is-manage-mode .detail-panel{padding:14px}
  body.is-manage-mode .mock-record-list{margin-left:5px;padding-left:8px}
}

@media(prefers-reduced-motion:reduce){
  body.is-manage-mode .manage-section{animation:none}
  body.is-manage-mode *{scroll-behavior:auto!important}
}

/* Unified global navigation: every dashboard route keeps the same frame. */
.dashboard-topbar,
body.is-learning-home .dashboard-topbar,
body.is-manage-mode .dashboard-topbar{
  position:sticky;
  top:0;
  z-index:60;
  display:grid;
  grid-template-columns:auto minmax(0,1fr) auto;
  align-items:center;
  gap:18px;
  min-height:82px;
  padding:14px 24px;
  border-bottom:1px solid rgba(20,34,56,.10);
  background:rgba(255,253,250,.94);
  box-shadow:none;
  backdrop-filter:blur(18px);
}

.brand-block,
body.is-manage-mode .brand-block{gap:13px;color:#142238}
.brand-mark,
body.is-learning-home .brand-mark,
body.is-manage-mode .brand-mark{
  width:46px;
  height:46px;
  border-radius:14px;
  color:#fff;
  background:#142238;
  box-shadow:none;
  font-family:Georgia,"Noto Serif SC","Songti SC",serif;
  font-size:18px;
  font-weight:800;
}
.brand-copy strong,
body.is-learning-home .brand-copy strong,
body.is-manage-mode .brand-copy strong{
  color:#142238;
  font-family:Georgia,"Noto Serif SC","Songti SC",serif;
  font-size:20px;
  line-height:1;
  letter-spacing:-.015em;
}
.brand-copy span,
body.is-learning-home .brand-copy span,
body.is-manage-mode .brand-copy span{
  margin-top:5px;
  color:#66758a;
  font-size:11px;
  letter-spacing:.06em;
}

.primary-nav,
body.is-manage-mode .primary-nav{
  min-width:0;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:6px;
  flex-wrap:nowrap;
  overflow-x:auto;
  scrollbar-width:none;
}
.primary-nav::-webkit-scrollbar,
body.is-manage-mode .primary-nav::-webkit-scrollbar{display:none}
.nav-item,
body.is-manage-mode .nav-item{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:40px;
  padding:0 14px;
  border:0;
  border-radius:999px;
  color:#66758a;
  background:transparent;
  font-size:14px;
  font-weight:800;
  transition:color .18s ease,background .18s ease,transform .18s ease,box-shadow .18s ease;
}
.nav-item:hover,
body.is-manage-mode .nav-item:hover{
  color:#142238;
  background:#f0f2f4;
  transform:translateY(-1px);
}
.nav-item.is-active,
body.is-manage-mode .nav-item.is-active{
  color:#fff;
  background:#142238;
  box-shadow:0 8px 18px rgba(20,34,56,.16);
}
body.is-manage-mode .nav-item.is-active{
  background:#e95235;
  box-shadow:0 8px 18px rgba(233,82,53,.20);
}

.topbar-user,
body.is-manage-mode .topbar-user{gap:12px}
.user-summary,
body.is-manage-mode .user-summary{
  min-width:180px;
  padding:9px 12px;
  border:1px solid #dce2e9;
  border-radius:14px;
  background:rgba(255,255,255,.92);
}
.user-summary-name,
body.is-manage-mode .user-summary-name{color:#142238;font-size:14px;font-weight:800}
.user-summary-meta,
body.is-manage-mode .user-summary-meta{margin-top:4px;color:#66758a;font-size:11px}
.topbar-user>.ghost-button,
body.is-manage-mode .topbar-user>.ghost-button{
  min-height:40px;
  padding:0 14px;
  border:1px solid #dce2e9;
  border-radius:12px;
  color:#142238;
  background:#fff;
  font-size:13px;
  font-weight:800;
}
.topbar-user>.ghost-button:hover,
body.is-manage-mode .topbar-user>.ghost-button:hover{
  border-color:#b9c3cf;
  color:#142238;
  background:#f7f8f9;
}

/* Put teacher work directly beneath the hero as the student's next action. */
.home-assignment-section{
  margin-top:18px;
  padding:24px;
  border-color:#e6d7cf;
  background:linear-gradient(118deg,#fff7f2 0%,#fffdf9 48%,#eef3fa 100%);
  box-shadow:0 18px 46px rgba(20,34,56,.10);
}
.home-assignment-section.has-pending{border-color:#efb5a7}
.home-assignment-section .learning-section-head{align-items:center;margin-bottom:15px}
.home-assignment-section .learning-section-head>div>span{color:#e95235}
.home-assignment-summary{
  display:inline-flex;
  align-items:center;
  min-height:30px;
  padding:0 11px;
  border-radius:999px;
  background:#ffe5dc;
  color:#b9412c!important;
  font-weight:800;
}
.home-assignment-section.is-clear .home-assignment-summary{background:#e4f2eb;color:#176b50!important}
.home-assignment-card{
  position:relative;
  overflow:hidden;
  display:grid;
  grid-template-columns:96px minmax(0,1fr) auto auto;
  align-items:center;
  gap:24px;
  min-height:146px;
  padding:24px 26px 24px 22px;
  border:1px solid rgba(255,255,255,.12);
  border-radius:20px;
  background:#142238;
  color:#fff;
  box-shadow:0 18px 35px rgba(20,34,56,.20);
}
.home-assignment-card::before{
  content:"";
  position:absolute;
  inset:0 auto 0 0;
  width:6px;
  background:#ff6b4a;
}
.home-assignment-card::after{
  content:"";
  position:absolute;
  right:18%;
  top:-92px;
  width:180px;
  height:180px;
  border:1px solid rgba(255,255,255,.08);
  border-radius:50%;
  box-shadow:0 0 0 28px rgba(255,255,255,.025);
}
.home-assignment-card>*{position:relative;z-index:1}
.home-assignment-card.is-clear{background:#183f37}
.home-assignment-card.is-clear::before{background:#56b68e}
.home-assignment-mark{
  display:grid;
  align-content:center;
  justify-items:center;
  width:96px;
  height:96px;
  border:1px solid rgba(255,255,255,.16);
  border-radius:19px;
  background:#ff6b4a;
  color:#fff;
}
.home-assignment-mark span{font-size:8px;font-weight:900;letter-spacing:.16em}
.home-assignment-mark strong{margin-top:7px;font:800 29px/1 Georgia,serif;letter-spacing:.04em}
.home-assignment-card.is-clear .home-assignment-mark{background:#20785d}
.home-assignment-copy>span{color:#ff9b84;font-size:10px;font-weight:850;letter-spacing:.08em}
.home-assignment-copy>strong{margin-top:8px;color:#fff;font-size:clamp(21px,2.1vw,29px);line-height:1.15}
.home-assignment-copy>p{margin-top:9px;color:#b7c2d0;font-size:12px}
.home-assignment-count{
  min-width:105px;
  padding:5px 22px;
  border-left:1px solid rgba(255,255,255,.14);
  text-align:center;
}
.home-assignment-count span{display:block;margin-top:5px;color:#b7c2d0;font-size:10px;font-weight:800;letter-spacing:.08em}
.home-assignment-count strong{display:block;color:#fff;font-family:Georgia,serif;font-size:44px;line-height:1}
.home-assignment-card>.home-action{min-height:48px;padding:0 21px;box-shadow:0 10px 24px rgba(255,107,74,.22)}

@media(max-width:1100px){
  .dashboard-topbar,
  body.is-learning-home .dashboard-topbar,
  body.is-manage-mode .dashboard-topbar{
    grid-template-columns:minmax(0,1fr) auto;
    gap:10px 16px;
  }
  .primary-nav,
  body.is-manage-mode .primary-nav{
    grid-column:1 / -1;
    grid-row:2;
    justify-content:flex-start;
  }
  .topbar-user,
  body.is-manage-mode .topbar-user{width:auto;justify-content:flex-end}
}

@media(max-width:720px){
  .dashboard-topbar,
  body.is-learning-home .dashboard-topbar,
  body.is-manage-mode .dashboard-topbar{
    display:grid;
    grid-template-columns:minmax(0,1fr) auto;
    gap:9px 12px;
    padding:11px 12px;
  }
  .brand-block,
  body.is-manage-mode .brand-block{min-width:0}
  .brand-mark,
  body.is-learning-home .brand-mark,
  body.is-manage-mode .brand-mark{width:40px;height:40px;border-radius:12px}
  .brand-copy strong,
  body.is-manage-mode .brand-copy strong{font-size:18px}
  .brand-copy span,
  body.is-manage-mode .brand-copy span{display:none}
  .user-summary,
  body.is-manage-mode .user-summary{display:none}
  .topbar-user,
  body.is-manage-mode .topbar-user{width:auto;gap:7px}
  .topbar-user>.ghost-button,
  body.is-manage-mode .topbar-user>.ghost-button{min-height:38px;padding:0 11px;font-size:12px}
  .primary-nav,
  body.is-learning-home .primary-nav,
  body.is-manage-mode .primary-nav{
    display:flex;
    width:100%;
    order:initial;
    justify-content:flex-start;
    overflow-x:auto;
  }
  .primary-nav .nav-item,
  body.is-learning-home .primary-nav .nav-item,
  body.is-manage-mode .primary-nav .nav-item,
  body.is-manage-mode .primary-nav .nav-item:nth-child(-n+5){
    display:inline-flex!important;
    min-height:34px;
    padding:0 11px;
    font-size:12px;
  }
  .home-assignment-section{padding:18px}
  .home-assignment-card{grid-template-columns:68px minmax(0,1fr);gap:16px;padding:18px}
  .home-assignment-mark{width:68px;height:68px;border-radius:15px}
  .home-assignment-mark strong{font-size:23px}
  .home-assignment-count{grid-column:1;padding:0;border:0}
  .home-assignment-count strong{font-size:32px}
  .home-assignment-card>.home-action{grid-column:2;width:100%}
}