.assessment-layout { display: grid; grid-template-columns: minmax(0, 1fr) 280px; align-items: start; gap: 22px; }
.assessment-form { display: grid; gap: 18px; }
.submission-summary { position: sticky; top: 24px; }
.submission-summary hr { margin: 20px 0; border: 0; border-top: 1px solid var(--slate-200); }
.draft-note { display: grid; gap: 4px; margin-top: 18px; border-radius: var(--radius-sm); padding: 14px 16px; color: var(--brand-900); background: var(--brand-50); }
.draft-note span { color: var(--slate-500); font-size: 14px; }
.question-card label, .mark-controls label { display: block; margin-bottom: 8px; color: var(--brand-900); font-weight: 850; }
.question-prompt { margin: 0 0 14px; color: var(--slate-700); font-size: 17px; line-height: 1.55; }
.question-card textarea, .marking-form textarea, .marking-form input[type="number"] { width: 100%; border: 1px solid #cbd5e1; border-radius: var(--radius-sm); padding: 12px 14px; color: var(--slate-900); background: white; }
.question-card textarea:focus, .marking-form textarea:focus, .marking-form input:focus { border-color: var(--brand-500); outline: 3px solid var(--brand-100); }
.form-actions { display: flex; justify-content: flex-end; gap: 12px; }
.field-error, .errorlist { margin: 8px 0 0; color: var(--danger); font-size: 14px; }
.alert { border-radius: var(--radius-sm); padding: 14px 16px; font-weight: 700; }
.alert-success { color: var(--success); background: var(--success-bg); }
.alert-danger { color: var(--danger); background: var(--danger-bg); }
.message-stack { display: grid; gap: 10px; margin-bottom: 20px; }
.submitted-state, .result-banner { border-radius: var(--radius-lg); padding: clamp(28px, 5vw, 44px); text-align: center; background: var(--brand-50); }
.submitted-state h2, .result-banner h2 { margin: 16px 0 8px; }
.submitted-state p { max-width: 650px; margin: 0 auto 20px; color: var(--slate-700); }
.submitted-answer, .answer-review { margin-top: 14px; }
.submitted-answer h3, .answer-review h3 { margin: 8px 0 16px; }
.result-banner { display: flex; align-items: center; justify-content: space-between; text-align: left; color: white; background: linear-gradient(125deg, var(--brand-900), var(--brand-700)); }
.result-banner h2 { color: white; }
.result-banner strong { font-size: clamp(34px, 6vw, 54px); }
.answer-review-list, .marking-list { display: grid; gap: 16px; }
.answer-review { display: grid; grid-template-columns: minmax(0, 1fr) 260px; gap: 24px; }
.student-answer { border-radius: var(--radius-sm); padding: 14px; background: var(--slate-50); }
.student-answer strong { display: block; margin-bottom: 8px; color: var(--slate-500); font-size: 12px; text-transform: uppercase; }
.answer-mark { border-left: 1px solid var(--slate-200); padding-left: 24px; }
.answer-mark > strong { color: var(--brand-900); font-size: 24px; }
.overall-feedback { margin-top: 20px; border-left: 4px solid var(--success); }
.marking-row { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.marking-row h2 { margin: 12px 0 4px; }
.marking-form { display: grid; gap: 18px; }
.marking-card { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 28px; }
.mark-controls { border-left: 1px solid var(--slate-200); padding-left: 24px; }
.overall-marking p { display: grid; gap: 8px; }
@media (max-width: 780px) {
  .assessment-layout, .answer-review, .marking-card { grid-template-columns: 1fr; }
  .submission-summary { position: static; grid-row: 1; }
  .answer-mark, .mark-controls { border-top: 1px solid var(--slate-200); border-left: 0; padding-top: 18px; padding-left: 0; }
  .marking-row, .result-banner { align-items: stretch; flex-direction: column; }
}
@media (max-width: 520px) { .form-actions { flex-direction: column-reverse; } .form-actions .btn { width: 100%; } }


.marking-header-actions { display: flex; align-items: center; justify-content: flex-end; flex-wrap: wrap; gap: 10px; }
.marking-workspace { display: grid; grid-template-columns: minmax(0, 1fr) 320px; align-items: start; gap: 22px; }
.marking-main { display: grid; gap: 18px; min-width: 0; }
.marking-intro h2 { margin: 4px 0 6px; }
.marking-summary { position: sticky; top: 24px; }
.marking-summary h2 { margin: 4px 0 0; color: var(--brand-900); font-size: 34px; }
.marking-progress { overflow: hidden; height: 8px; margin: 18px 0; border-radius: 999px; background: var(--slate-100); }
.marking-progress span { display: block; height: 100%; border-radius: inherit; background: var(--success); transition: width 160ms ease; }
.marking-facts { display: grid; gap: 0; margin: 0 0 18px; }
.marking-facts div { display: flex; justify-content: space-between; gap: 16px; border-top: 1px solid var(--slate-200); padding: 11px 0; }
.marking-facts dt { color: var(--slate-500); }
.marking-facts dd { margin: 0; color: var(--brand-900); font-weight: 800; text-align: right; }
.marking-question-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; margin-bottom: 12px; }
.marking-question-heading h2 { margin: 4px 0 0; }
.mark-guidance { margin-top: 14px; border: 1px solid var(--slate-200); border-radius: var(--radius-sm); padding: 12px 14px; background: white; }
.mark-guidance summary { cursor: pointer; color: var(--brand-700); font-weight: 800; }
.mark-guidance p { margin: 10px 0 0; color: var(--slate-700); }
.mark-entry { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 10px; margin-bottom: 16px; }
.mark-entry strong { color: var(--brand-900); white-space: nowrap; }
.mark-controls textarea { min-height: 104px; }
.overall-marking > label, .marking-summary > label, .checkpoint-mark-entry > label { display: block; margin-bottom: 8px; color: var(--brand-900); font-weight: 850; }
.field-hint { margin: -2px 0 10px; color: var(--slate-500); font-size: 14px; }
.visibility-note { display: grid; gap: 4px; margin-top: 18px; border-radius: var(--radius-sm); padding: 13px 14px; color: var(--brand-900); background: var(--brand-50); }
.visibility-note span { color: var(--slate-600); font-size: 14px; line-height: 1.45; }
.marking-actions { display: grid; gap: 9px; margin-top: 18px; }
.marking-actions .btn { width: 100%; }
.btn-danger-text { color: var(--danger); }
.checkpoint-response, .rubric-card { min-width: 0; }
.rubric-card h2 { margin: 4px 0 6px; }
.rubric-list { display: grid; gap: 10px; margin: 18px 0 0; padding: 0; list-style: none; }
.rubric-list li { display: flex; align-items: flex-start; gap: 10px; border-radius: var(--radius-sm); padding: 11px 13px; color: var(--slate-700); background: var(--slate-50); }
.rubric-list li span { color: var(--success); font-weight: 900; }
.checkpoint-mark-entry { margin-bottom: 18px; }
@media (max-width: 960px) {
  .marking-workspace { grid-template-columns: 1fr; }
  .marking-summary { position: static; grid-row: 1; }
}
@media (max-width: 620px) {
  .marking-header-actions { align-items: stretch; flex-direction: column; }
  .marking-card { padding: 18px; }
  .marking-question-heading { align-items: flex-start; flex-direction: column; }
}