.tutor-workspace { display: grid; gap: 20px; }
.tutor-intro { display: flex; align-items: center; gap: 15px; padding: 22px; border: 1px solid var(--line); border-radius: 18px; background: linear-gradient(120deg, color-mix(in srgb, var(--accent) 10%, var(--panel)), var(--panel) 70%); }
.tutor-intro h2, .tutor-intro p { margin: 0; }
.tutor-intro h2 { font-size: 1.35rem; }
.tutor-intro p { margin-top: 4px; color: var(--ink-3); }
.tutor-mark { display: grid; flex: 0 0 46px; height: 46px; place-items: center; border-radius: 15px; background: color-mix(in srgb, var(--accent) 16%, var(--panel)); color: var(--accent); font-size: 25px; }
.tutor-layout { display: grid; grid-template-columns: minmax(270px, 0.82fr) minmax(0, 1.55fr); align-items: start; gap: 18px; }
.tutor-setup { position: sticky; top: 16px; display: grid; gap: 10px; padding: 18px; }
.tutor-section-heading { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 4px; }
.tutor-section-heading h3, .tutor-section-heading p { margin: 0; }
.tutor-section-heading h3 { font-size: 1rem; }
.tutor-section-heading p { margin-top: 3px; }
.tutor-step { display: grid; flex: 0 0 25px; height: 25px; place-items: center; border-radius: 50%; background: color-mix(in srgb, var(--accent) 13%, var(--panel)); color: var(--accent); font-size: 0.78rem; font-weight: 700; }
.tutor-material-heading { margin-top: 8px; }
.tutor-material-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.tutor-material-list { display: grid; max-height: 290px; gap: 7px; overflow: auto; padding: 2px; }
.tutor-material { display: flex; align-items: flex-start; gap: 10px; padding: 10px; border: 1px solid var(--line); border-radius: 11px; cursor: pointer; transition: border-color 140ms ease, background 140ms ease; }
.tutor-material:hover { border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); background: color-mix(in srgb, var(--accent) 4%, var(--panel)); }
.tutor-material input { flex: 0 0 auto; margin: 3px 0 0; accent-color: var(--accent); }
.tutor-material-copy { display: grid; min-width: 0; gap: 3px; }
.tutor-material-copy b { overflow-wrap: anywhere; font-size: 0.86rem; }
.tutor-material-copy small { color: var(--ink-3); font-size: 0.74rem; }
.tutor-start { width: 100%; justify-content: center; margin-top: 4px; }
.tutor-status { min-height: 1em; margin: 0; }
.tutor-main { display: grid; min-width: 0; gap: 14px; }
.tutor-progress-card { padding: 16px; }
.tutor-progress-card h4 { margin: 12px 0 0; }
.tutor-progress-card .hd { display: flex; align-items: center; gap: 10px; }
.tutor-progress-card > p { margin-bottom: 0; }
.tutor-topic-list { display: grid; gap: 7px; margin: 10px 0 0; padding: 0; list-style: none; }
.tutor-topic-list li { display: flex; justify-content: space-between; gap: 12px; padding: 8px 0; border-top: 1px solid var(--line); }
.tutor-topic-list li span:last-child { color: var(--ink-3); text-align: right; }
.tutor-quiz, .tutor-results { display: grid; gap: 12px; }
.tutor-quiz-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.tutor-quiz-heading h3 { margin: 3px 0 0; }
.tutor-eyebrow { color: var(--accent); font-size: 0.72rem; font-weight: 700; letter-spacing: 0.09em; }
.tutor-expiry { color: var(--ink-3); font-size: 0.8rem; font-variant-numeric: tabular-nums; }
.tutor-quiz-files { padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; color: var(--ink-3); font-size: 0.82rem; overflow-wrap: anywhere; }
.tutor-question { min-width: 0; margin: 0; padding: 16px; }
.tutor-question legend { max-width: 100%; padding: 0 4px; white-space: normal; }
.tutor-question > p { margin-top: 6px; }
.tutor-option { display: flex; align-items: flex-start; gap: 10px; padding: 10px; border: 1px solid var(--line); border-radius: 10px; cursor: pointer; }
.tutor-option + .tutor-option { margin-top: 7px; }
.tutor-option input { margin-top: 4px; accent-color: var(--accent); }
.tutor-option:focus-within { outline: 2px solid var(--accent); outline-offset: 2px; }
.tutor-sources { margin-bottom: 0; color: var(--ink-3); }
.tutor-results { grid-template-columns: auto 1fr; align-items: center; padding: 18px; }
.tutor-results > div h3, .tutor-results > div p { margin: 0; }
.tutor-score { display: grid; width: 58px; height: 58px; place-items: center; border-radius: 17px; background: color-mix(in srgb, var(--accent) 12%, var(--panel)); color: var(--accent); font-size: 1.4rem; font-weight: 700; }
.tutor-score small { display: inline; color: var(--ink-3); font-size: 0.85rem; }
.tutor-review-list { grid-column: 1 / -1; }
.tutor-feedback { padding: 12px 0; border-top: 1px solid var(--line); }
.tutor-feedback h4 { margin: 0 0 8px; }
.tutor-feedback p { margin: 5px 0; }
.tutor-history { overflow: hidden; border: 1px solid var(--line); border-radius: 14px; background: var(--panel); }
.tutor-history > summary { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 15px 16px; cursor: pointer; font-weight: 700; list-style-position: inside; }
.tutor-history > summary small { color: var(--ink-3); font-weight: 400; text-align: right; }
.tutor-history > div { display: grid; gap: 8px; padding: 0 12px 12px; }
.tutor-history-entry { border: 1px solid var(--line); border-radius: 11px; }
.tutor-history-entry > summary { display: flex; justify-content: space-between; gap: 12px; padding: 12px; cursor: pointer; }
.tutor-history-entry > summary small { color: var(--ink-3); text-align: right; }
.tutor-history-entry > div { padding: 0 12px 12px; }
.tutor-expired { padding: 16px; }
.tutor-expired p { margin: 5px 0 12px; }

@media (max-width: 850px) {
  .tutor-layout { grid-template-columns: minmax(0, 1fr); }
  .tutor-setup { position: static; }
}
@media (max-width: 520px) {
  .tutor-intro { align-items: flex-start; padding: 16px; }
  .tutor-topic-list li { align-items: flex-start; flex-direction: column; gap: 3px; }
  .tutor-topic-list li span:last-child { text-align: left; }
  .tutor-history > summary, .tutor-history-entry > summary { align-items: flex-start; flex-direction: column; gap: 3px; }
  .tutor-history > summary small, .tutor-history-entry > summary small { text-align: left; }
}