body:not([data-account-mode="student"]):not([data-account-mode="preview"]) .layout{display:none}
body:not([data-account-mode="student"]):not([data-account-mode="preview"]) #print{display:none}
[hidden]{display:none!important}
.account-bar{display:flex;align-items:center;gap:9px;flex-wrap:wrap;max-width:1500px;margin:auto;padding:12px 24px;border-bottom:1px solid var(--line);font-size:.85rem}
#accountName{font-weight:600;margin-right:auto}#saveStatus{color:#285f50}.save-problem{color:#8d4636!important;max-width:450px}
.auth-panel{max-width:540px;margin:45px auto;padding:30px;background:var(--card);border:1px solid var(--line);border-radius:18px}
.auth-panel h1{font-size:1.8rem;line-height:1.4}.auth-panel label,.teacher-form label{display:block;font-weight:600;margin:14px 0 6px}
.auth-panel input,.teacher-form input,.teacher-form select{width:100%;padding:12px;border:1px solid #b3b9b1;border-radius:9px;background:#fffdf9;color:var(--ink)}
.auth-panel button{margin:18px 7px 0 0}.account-error{color:#8d4636;white-space:pre-wrap}.feedback-panel{max-width:1000px;margin:20px auto;padding:20px}.feedback-panel .card p{white-space:pre-wrap}
.teacher-app{overflow-wrap:anywhere;max-width:1240px;margin:0 auto;padding:24px 28px 48px}
.teacher-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}.teacher-heading .eyebrow{margin:0 0 8px}.teacher-heading h1{font-size:clamp(1.45rem,2.5vw,2rem);line-height:1.3;margin:0 0 8px}.teacher-heading>div>p:last-child{margin:0;color:var(--muted)}
.teacher-course-link{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 16px;border-radius:8px;font-size:.88rem;text-decoration:none;white-space:nowrap}
.teacher-status{margin:16px 0 0;padding:10px 14px;background:#e8efeb;border-radius:8px}.teacher-status:empty{display:none}.teacher-status.account-error{background:#f8e9e6}
.teacher-directory{margin-top:24px}.teacher-toolbar{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:12px}.teacher-toolbar h2{font-size:1.2rem;margin:0;display:flex;align-items:center;gap:8px}.student-count{display:inline-grid;place-items:center;min-width:26px;height:26px;border-radius:50%;font:600 .8rem Manrope,sans-serif;background:#e9e5dc;color:var(--teal)}
.teacher-actions,.dialog-actions{display:flex;align-items:center;gap:8px}.teacher-app button{margin:0;min-height:42px;padding:9px 13px;font-size:.83rem;line-height:1.35;border-radius:8px;display:inline-flex;justify-content:center;align-items:center;text-align:center;white-space:normal}.teacher-app button:disabled{opacity:.5;cursor:not-allowed}
.student-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:20px;align-items:center;border:1px solid var(--line);border-radius:10px;padding:14px 16px;background:var(--card);margin:0 0 8px;min-width:0}.student-row.is-selected{border-color:#8caaa2;background:#f2f6f1}.student-info{display:flex;align-items:center;gap:20px;flex-wrap:wrap;min-width:0}.student-identity,.student-stats{display:grid;gap:3px;min-width:0}.student-identity strong{font-size:.95rem;overflow-wrap:anywhere}.student-identity span,.student-stats{font-size:.8rem;overflow-wrap:anywhere}.student-stats{flex:1}.student-badge{display:inline-block;font-size:.72rem;font-weight:600;line-height:1.4;border-radius:20px;padding:5px 10px;background:#e4eee8;color:#275e49;white-space:nowrap}.student-badge.is-disabled{background:#ece7e2;color:#75685b}.student-actions{display:grid;grid-template-columns:repeat(4,auto);gap:8px;align-items:stretch}.student-actions button{height:100%;min-height:42px}
.teacher-app .danger-button{color:#8b3028;border-color:#d3aca4}.teacher-app .danger-button:hover{background:#f7e7e2}.teacher-app .danger-solid{background:#8b3028;border-color:#8b3028}.delete-warning{padding:12px 14px;background:#f9eae4;border-left:3px solid #8b3028;border-radius:4px;color:#702a22}
.teacher-form{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:16px;margin:0}.teacher-form .form-field{min-width:0}.teacher-form label{font-size:.85rem;margin:0 0 6px;font-weight:600}.teacher-form input,.teacher-form select{min-height:42px;padding:9px 11px;border-radius:7px;font-size:.88rem;margin:0}.teacher-form .form-field .muted{font-size:.72rem;font-weight:400}.teacher-form .form-actions{display:flex;align-items:end}.create-student-form{display:grid;grid-template-columns:1fr 1fr 1.3fr auto;align-items:end;gap:14px;margin:0 0 12px}.create-student-form button{width:100%}
.teacher-work{scroll-margin-top:20px;min-width:0;margin-top:24px;padding-top:20px;border-top:1px solid var(--line)}.teacher-work-heading{display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:14px}.teacher-work-heading h2{font-size:1.35rem;margin:0}.teacher-work-heading p{margin:0;font-size:.8rem}.review-exercise-heading{display:flex;align-items:start;justify-content:space-between;gap:12px;margin-bottom:14px}.review-exercise-heading h3{font-size:1.1rem;line-height:1.5;margin:0}.review-columns{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:start}.review-block{min-width:0}.review-block>h4,.review-feedback>h4{font-size:.95rem;margin:0 0 10px}.teacher-response{white-space:pre-wrap;overflow-wrap:anywhere;background:#edece4;padding:14px;border-radius:8px;font-size:.88rem;line-height:1.65}.attempt-list{overflow-wrap:anywhere;font-size:.85rem}.teacher-note{white-space:pre-wrap}.review-feedback{margin-top:20px}.feedback-form{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:20px;align-items:end}.feedback-form textarea{min-height:90px;max-width:100%;font-size:.9rem}.feedback-actions{display:grid;gap:14px}.teacher-form .checkline{display:flex;align-items:flex-start;gap:9px;font-size:.84rem;font-weight:400;line-height:1.55;margin:0}.teacher-form .checkline input{width:18px;height:18px;min-height:0;flex-shrink:0;margin-top:3px;accent-color:var(--teal)}.teacher-empty{padding:12px 0}.teacher-empty h2{font-size:1.2rem;margin:0 0 8px}.teacher-empty p{margin:0;color:var(--muted)}
.teacher-dialog{width:min(560px,calc(100vw - 32px));max-height:calc(100dvh - 40px);overflow:auto;border:1px solid var(--line);border-radius:14px;padding:0;background:var(--card);color:var(--ink);box-shadow:0 20px 70px #16293035}.teacher-dialog::backdrop{background:#16293088}.teacher-dialog .teacher-form{border:0;padding:24px;display:grid;gap:16px}.teacher-dialog h2{font-size:1.3rem;line-height:1.4;margin:0}.teacher-dialog p{margin:0;font-size:.9rem}.teacher-dialog .eyebrow{font-size:.72rem}.teacher-dialog .dialog-error:empty{display:none}.dialog-actions{justify-content:flex-end;gap:10px}.teacher-dialog input{width:100%}
.account-bar button{font-size:.79rem;padding:7px 10px}
@media(max-width:1100px){.student-row{grid-template-columns:1fr;gap:12px}.student-actions{grid-template-columns:repeat(4,minmax(0,1fr))}.student-identity{min-width:160px}.student-stats{flex:1}.create-student-form{grid-template-columns:1fr 1fr}.create-student-form .form-actions{align-self:end}}
@media(max-width:700px){.auth-panel{margin:22px 15px;padding:22px}.teacher-app{padding:20px 16px 36px}.account-bar{padding:10px 16px}.teacher-toolbar{align-items:start;flex-wrap:wrap}.teacher-actions{width:100%;display:grid;grid-template-columns:1fr 1fr}.review-columns,.feedback-form{grid-template-columns:1fr}.teacher-work-heading{display:block}.teacher-work-heading p{margin-top:6px}.student-info{gap:12px}.student-stats{flex-basis:100%}.student-badge{align-self:start}.student-actions{grid-template-columns:1fr 1fr}.student-actions button{min-height:44px}.review-exercise-heading{flex-wrap:wrap}.feedback-actions{justify-items:start}.teacher-dialog .teacher-form{padding:20px}.dialog-actions{display:grid;grid-template-columns:1fr 1fr}.teacher-dialog h2{font-size:1.2rem}}
@media(max-width:480px){.create-student-form{grid-template-columns:1fr}.student-row{padding:12px}.teacher-toolbar h2{font-size:1.1rem}.teacher-form{padding:14px}.teacher-app button{font-size:.81rem}}
@media print{#accountRoot,#authRoot,#teacherRoot{display:none!important}body:is([data-account-mode="student"],[data-account-mode="preview"]) .page[hidden]{display:block!important}}

/* Keep the native select control, with a centered chevron clear of its text and border. */
.teacher-form select{
 appearance:none;
 -webkit-appearance:none;
 padding-right:42px;
 background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3E%3Cpath d='m4 6 4 4 4-4' fill='none' stroke='%23162930' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
 background-repeat:no-repeat;
 background-position:right 14px center;
 background-size:16px 16px;
}
@media(forced-colors:active){.teacher-form select{appearance:auto;-webkit-appearance:auto;background-image:none;padding-right:11px}}

.account-bar .teacher-view-switch{border-color:var(--wine);color:var(--wine);font-weight:600}
.teacher-preview-note{font-size:.78rem;color:var(--teal);background:#e4eee8;padding:5px 10px;border-radius:20px}

/* Student work is readable in one pass; no per-exercise selectors or folded answers. */
.review-view-options{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}.review-view-options [aria-pressed="true"]{background:var(--teal);border-color:var(--teal);color:white}
.review-section-nav{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 20px}.review-section-nav:empty{display:none}.review-section-nav a{display:inline-flex;align-items:center;gap:8px;color:var(--teal);text-decoration:none;border:1px solid var(--line);border-radius:7px;padding:7px 10px;font-size:.8rem;background:var(--card)}.review-section-nav a:hover{border-color:var(--teal)}
.review-section{scroll-margin-top:20px;margin-top:24px}.review-section-title{font-size:1.2rem;margin:0 0 12px}.review-section-title span{font:500 .85rem Manrope,sans-serif;color:var(--muted);margin-left:6px}
.review-exercise{border:1px solid var(--line);background:var(--card);border-radius:10px;padding:18px;margin-bottom:14px;min-width:0}.review-exercise h4{font-size:.83rem;margin:0 0 8px}.review-exercise .review-feedback{margin-top:14px}.review-exercise .feedback-form{padding:12px;gap:12px}.review-exercise textarea{min-height:72px}.review-attempt{margin-bottom:10px}.review-attempt:last-child{margin-bottom:0}.attempt-heading{font-size:.78rem;font-weight:600;line-height:1.6;margin:0 0 6px}.review-event-summary{font-size:.75rem;color:var(--muted);line-height:1.7;margin:12px 0;overflow-wrap:anywhere}
.review-note{border-left:3px solid var(--teal);padding:6px 10px;margin:0 0 10px;background:#f0f4ef}.review-note p{margin:0 0 4px;font-size:.84rem}.review-note .muted{font-size:.73rem}.feedback-status{grid-column:1/-1;margin:0;font-size:.8rem;color:var(--teal)}.feedback-status:empty{display:none}
@media(max-width:700px){.review-exercise{padding:14px}.review-section-nav{gap:6px}.review-section-nav a{font-size:.76rem}.review-exercise .feedback-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px;justify-content:space-between}.review-exercise .feedback-form{gap:12px}.review-exercise-heading .student-badge{white-space:normal}}

/* Align answer surfaces before their metadata; keep feedback actions in one footer. */
.review-exercise .review-columns{grid-template-rows:auto auto;align-items:stretch;column-gap:16px;row-gap:8px}
.review-exercise .review-block{display:grid;grid-template-rows:subgrid;grid-row:span 2;align-content:start}
.review-exercise .review-block>h4{margin:0}
.review-exercise .current-response{align-self:start}
.review-exercise .attempt-heading{margin:6px 0 0;font-weight:400;color:var(--muted)}
.review-exercise .feedback-form{grid-template-columns:minmax(0,1fr);align-items:stretch}
.review-exercise .feedback-form textarea{display:block;width:100%;margin:0}
.review-exercise .feedback-actions{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}
.review-exercise .feedback-actions .checkline{align-items:center;margin:0}
.review-exercise .feedback-actions .checkline input{margin:0}
@media(max-width:700px){.review-exercise .review-columns{grid-template-rows:none;row-gap:16px}.review-exercise .review-block{grid-row:auto;grid-template-rows:auto auto;gap:8px}}
.teacher-episode-select{display:flex;align-items:center;gap:12px;margin:20px 0;max-width:420px}.teacher-episode-select label{font-weight:600;flex-shrink:0}.teacher-episode-select select{min-width:0;min-height:44px}