:root{
  --jt-deep:#1C4082;
  --jt-blue:#1B70B2;
  --jt-sky:#3299D2;
  --jt-bg:#F3F8FC;
  --card:#FFFFFF;
  --jt-line:#D6E4F0;
  --text:#17324D;
  --muted:#65778A;
  --ok:#168A4A;
  --warn:#B36B00;
  --bad:#C62828;
}
*{box-sizing:border-box}
html,body{max-width:100%;overflow-x:hidden}
body{margin:0;background:var(--jt-bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
.app-shell{max-width:1180px;margin:0 auto;min-height:100vh;background:var(--jt-bg)}
.topbar{position:sticky;top:0;z-index:5;display:flex;justify-content:space-between;gap:12px;align-items:center;background:#fff;border-bottom:1px solid var(--jt-line);padding:12px 16px;box-shadow:0 4px 18px rgba(28,64,130,.06)}
.workspace-switch{position:relative}.workspace-switch summary{cursor:pointer;list-style:none;border:1px solid var(--jt-line);border-radius:10px;padding:8px 10px;background:#f7faff;color:var(--jt-ink);font-size:13px}.workspace-switch summary::-webkit-details-marker{display:none}.workspace-menu{position:absolute;right:0;top:calc(100% + 6px);min-width:130px;display:grid;gap:6px;padding:8px;background:#fff;border:1px solid var(--jt-line);border-radius:12px;box-shadow:0 10px 24px rgba(28,64,130,.14);z-index:8}.workspace-menu .btn{width:100%;text-align:left}.workspace-menu .btn:disabled{opacity:.55;cursor:default}
.brand{display:flex;gap:12px;align-items:center;min-width:0}.brand img{width:150px;max-width:32vw;height:auto}.brand b{display:block;color:var(--jt-deep);font-size:18px}.brand small{display:block;color:#60738a}.env{display:inline-flex;border:1px solid var(--jt-line);border-radius:999px;padding:2px 8px;color:var(--jt-blue);font-size:12px;font-weight:700}
.review-tool{max-width:420px}.review-tool summary{min-height:44px;display:flex;align-items:center;justify-content:flex-end;cursor:pointer;color:var(--jt-blue);font-weight:800}.review-tool:not([open]) .toolbar{display:none!important}.review-tool[open] .toolbar{margin-top:8px;justify-content:flex-end}
.toolbar,.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.space{justify-content:space-between}.content{padding:14px;display:grid;gap:14px}
.card{background:var(--card);border:1px solid var(--jt-line);border-radius:18px;padding:16px;box-shadow:0 8px 24px rgba(28,64,130,.04);overflow:auto}.hero{background:linear-gradient(135deg,#fff,#f6fbff)}h2,h3{margin:0 0 10px;color:var(--jt-deep)}p{line-height:1.55}.muted{color:var(--muted)}.notice{border-left:4px solid var(--jt-blue);background:#eef7ff;border-radius:12px;padding:10px;color:#244567}.error{border-left:4px solid var(--bad);background:#fff1f1;border-radius:12px;padding:10px;color:#9f1d1d}.success{border-left:4px solid var(--ok);background:#eefaf3;border-radius:12px;padding:10px;color:#11613a}
.btn{border:0;border-radius:14px;background:var(--jt-deep);color:#fff;min-height:44px;padding:10px 14px;font-weight:700;cursor:pointer}.btn.secondary{background:#e8f2fb;color:var(--jt-deep)}.btn.ghost{background:#eef5fb;color:var(--jt-deep);border:1px solid var(--jt-line)}.btn:disabled{opacity:.68;cursor:not-allowed}.btn.is-loading{position:relative;padding-left:34px}.btn.is-loading:before{content:"";position:absolute;left:12px;top:50%;width:14px;height:14px;margin-top:-7px;border:2px solid rgba(255,255,255,.45);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.inline-action-feedback{margin-top:10px}
select,input,textarea{font:inherit;border:1px solid var(--jt-line);border-radius:12px;background:#fff;padding:10px;min-height:44px}select:focus,input:focus,textarea:focus{outline:2px solid rgba(50,153,210,.25);border-color:var(--jt-sky)}.search{min-width:280px;flex:1}
.metric-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px}.metric-card{border:1px solid var(--jt-line);background:#fff;border-radius:16px;min-height:76px;text-align:left;color:var(--jt-deep);padding:12px;cursor:pointer}.metric-card span{display:block;color:#667085;font-size:13px}.metric-card strong{font-size:24px;margin-top:5px;display:block}.cockpit-card small{display:block;color:#667085;margin-top:5px}.cockpit-card.attention{border-color:#e4a11b;box-shadow:0 0 0 1px rgba(228,161,27,.12)}.scope-picker{display:flex;align-items:center;gap:8px;color:#667085;font-size:13px}.scope-picker span{white-space:nowrap}.scope-picker strong,.scope-picker select{color:var(--jt-deep);font-size:14px;font-weight:600}
.result-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px}.result-card{border:1px solid var(--jt-line);border-radius:16px;background:#f8fcff;padding:12px;display:grid;gap:6px}.result-card b{color:var(--jt-deep)}.result-card span{color:var(--muted)}.result-card strong{color:var(--jt-blue)}
.action-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:10px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}.detail-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:10px}.detail-grid div,.summary{border:1px solid var(--jt-line);background:#f8fcff;border-radius:14px;padding:10px}.detail-grid span{display:block;color:#667085;font-size:13px}.detail-grid b{color:var(--jt-deep)}
.list{display:grid;gap:10px}.item{border:1px solid #e8eef6;background:#fcfdff;border-radius:14px;padding:12px}.actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.filter-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:12px}.finance-item .amount{float:right;font-size:22px;font-weight:900;color:var(--jt-deep)}.timeline-row{position:relative;border-left:4px solid var(--jt-blue)}.history-box{margin-top:10px;padding:10px;border-radius:12px;background:#f5f9fd;border:1px dashed var(--jt-line);color:var(--muted)}.badge{display:inline-flex;align-items:center;min-height:32px;border-radius:999px;padding:4px 10px;font-weight:700;background:#EAF7EF;color:var(--ok)}.badge.disabled{background:#F5F7FA;color:var(--muted)}.summary{line-height:1.6}
.field{display:grid;gap:6px}.field span{font-size:13px;color:#60738a}.field.invalid input,.field.invalid select{border-color:var(--bad);background:#fff8f8}.field-error{font-size:13px;color:var(--bad);line-height:1.35}.form .btn{margin-top:12px}.check{display:flex;align-items:center;gap:8px;margin:10px 0}.hidden{display:none!important}
.choice-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}.choice-field{border:1px solid var(--jt-line);border-radius:14px;padding:10px;margin:0;background:#fff}.choice-field legend{font-size:13px;color:#60738a;padding:0 4px}.choice-row{display:flex;gap:8px;flex-wrap:wrap}.choice-pill{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:44px;min-width:92px;border:1px solid var(--jt-line);border-radius:999px;background:#f8fcff;color:var(--jt-deep);font-weight:800;cursor:pointer;padding:8px 14px}.choice-pill input{position:absolute;opacity:0;pointer-events:none}.choice-pill.selected{background:var(--jt-deep);border-color:var(--jt-deep);color:#fff}.secondary-link{color:var(--jt-deep);font-weight:700}
.bottom-nav{position:sticky;bottom:0;background:#fff;border-top:1px solid var(--jt-line);display:flex;gap:6px;padding:8px;overflow:auto}.bottom-nav .btn{flex:1;min-width:84px}
.teacher-lesson{overflow:visible}.teacher-roster-host{margin-top:10px}.teacher-roster-list{display:grid;gap:8px}.teacher-student{display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--jt-line);padding:10px 2px}.teacher-student:first-child{border-top:0}.teacher-student-meta{color:var(--muted);text-align:right;font-size:13px}.teacher-attendance-choice{min-height:62px;cursor:pointer;border-radius:12px;padding:10px}.teacher-attendance-choice:has(input:checked){background:#eef7ff;outline:2px solid var(--jt-blue)}.teacher-present-check{width:24px;height:24px;min-height:24px;vertical-align:middle}.teacher-bulk-actions{display:flex;align-items:center;gap:12px;margin:12px 0}.teacher-bulk-actions .btn{min-height:44px}.teacher-attendance-summary{margin:12px 0}.teacher-attendance-review{display:grid;gap:10px;margin-top:12px}.teacher-nav{max-width:1180px;margin:0 auto}
 .teacher-result-counts{display:inline-block;color:var(--jt-blue);font-weight:800;margin-top:4px}.attendance-result{display:inline-block;margin-top:5px;font-weight:800}.attendance-result.is-result{color:var(--ok)}.attendance-result.is-unselected{color:var(--muted)}.loading-shell{min-height:100vh}.loading-shell .content{padding-top:20px}
@media(max-width:680px){.topbar{align-items:flex-start;flex-wrap:wrap;padding:10px}.brand{width:100%}.brand img{width:100px}.brand b{font-size:15px}.brand small{font-size:12px}.toolbar{width:100%;justify-content:space-between}.search{min-width:100%}.actions{justify-content:flex-start}.metric-grid,.action-grid{grid-template-columns:1fr 1fr}.filter-grid{grid-template-columns:1fr}.finance-item .amount{float:none;display:block;margin:6px 0}.card{border-radius:14px;padding:12px}.content{padding:10px;gap:10px}.bottom-nav{position:fixed;left:0;right:0;bottom:0;z-index:10;padding:6px max(6px, env(safe-area-inset-left)) calc(6px + env(safe-area-inset-bottom)) max(6px, env(safe-area-inset-right));gap:4px}.bottom-nav .btn{font-size:12px;padding:8px 4px;min-width:0;min-height:44px}.app-shell{padding-bottom:70px}.teacher-lesson .row.space{display:block}.teacher-lesson .actions{margin-top:10px}.teacher-lesson .teacher-roster-btn{width:100%;min-height:48px}.teacher-student{align-items:flex-start;padding:14px 4px;min-height:68px}.teacher-student-meta{min-width:100px}.teacher-attendance-choice{min-height:72px}.teacher-result-counts{font-size:13px}}
@media(max-width:360px){.brand img{width:96px}.metric-grid,.action-grid,.grid,.detail-grid{grid-template-columns:1fr}.topbar{padding:10px}.metric-card strong{font-size:20px}}