.filter-controls{display:grid;gap:12px;margin-bottom:24px}.filter-controls select{max-width:100%}select{background:var(--raised);color:var(--ink);border:1px solid var(--line);border-radius:9px;padding:10px;max-width:100%}.sign>summary{display:flex;gap:12px;align-items:center;justify-content:space-between}.sign h3{font-size:1.08rem;margin-top:23px}.sign .source-links{overflow-wrap:anywhere}.visual-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:23px;margin-top:25px}.visual-card{border:1px solid var(--line);border-radius:18px;overflow:hidden;background:var(--panel)}.image-open{display:block;border:0;padding:0;width:100%;border-radius:0;background:var(--bg);cursor:zoom-in}.image-open img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:contain}.visual-body{padding:23px}.visual-body h3{font-size:1.22rem}.visual-body p,.visual-body li{font-size:.95rem}.tutor-tabs{margin-bottom:22px}.tutor-tabs button{flex:1 1 180px}.progress-actions{margin-top:24px}.quiz-options{display:grid;gap:11px;margin:22px 0}.quiz-options button{display:block;text-align:left;justify-content:start}.quiz-options button.correct{border-color:var(--green)}.quiz-options button.incorrect{border-color:var(--red)}.option-feedback{border-left:3px solid var(--line);padding:12px 17px;margin:14px 0;background:var(--raised)}.option-feedback.correct{border-color:var(--green)}.option-feedback h4{margin-bottom:9px}.case-navigation{margin-top:22px}.flashcard{margin-top:20px;min-height:260px}.flashcard h3{font-size:1.5rem;max-width:48ch}.flash-answer{border-left:3px solid var(--cyan);padding:18px;margin:25px 0;background:var(--raised)}.learn-check input,.check-item input{width:20px;height:20px;flex:none;accent-color:var(--cyan)}.source-links{font-size:.8rem;margin:20px 0;color:var(--muted)}.source-links a{display:inline}.lesson-block{margin:23px 0}.recall{border:1px solid var(--line);padding:8px 18px;margin:20px 0;border-radius:12px}.learn-check{display:flex;align-items:center;gap:12px;margin-top:20px;color:var(--green)}.source-entry{scroll-margin-top:100px}dialog{width:min(1300px,95vw);max-height:94dvh;padding:22px;background:var(--panel);color:var(--ink);border:1px solid var(--line);border-radius:18px}dialog::backdrop{background:#020911ed}.dialog-bar{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:15px}.dialog-bar h2{font-size:1.3rem;margin:0}#dialog-image{width:100%;height:auto;max-height:65dvh;object-fit:contain}#dialog-caption{margin:18px 0;color:var(--muted)}.empty-review{padding:25px 0}.quiz-toolbar{margin-bottom:18px;display:grid;gap:10px}.quiz-toolbar select{width:100%}.recall>summary{line-height:1.5}.lesson>summary{font-size:1.16rem}.source-entry a{font-weight:650}.sign .tag{white-space:normal;text-align:right;max-width:42%}#tutor-panel h3{max-width:50ch}.syndrome-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.syndrome-card{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:24px}.syndrome-card p{font-size:.94rem}.syndrome-card h4{margin-top:20px}
@media(max-width:1050px){.visual-grid,.syndrome-grid{grid-template-columns:1fr}.sign>summary{display:block}.sign .tag{display:table;max-width:none;text-align:left;margin-top:10px}}
@media(max-width:520px){.hero h1{font-size:2.35rem}.visual-body{padding:18px}.filter-controls .actions{align-items:stretch;flex-direction:column}.filter-controls label{display:grid;gap:6px}.tutor-tabs button{flex-basis:100%}.dialog-bar{align-items:start}.dialog-bar h2{font-size:1rem}dialog{padding:14px}.bar-actions button{min-height:40px}.sitebar{padding:10px 12px}.brand{max-width:44%}.brand img{width:30px;height:30px}.brand strong{font-size:.76rem}}
@media print{.visual-grid{grid-template-columns:1fr}.image-open{display:block!important}.visual-card{break-inside:avoid}dialog,.tutor-tabs,.progress-actions{display:none!important}.visual-body,.syndrome-card{padding:12px}.option-feedback{background:#eee;color:#111}}

.quiz-options button:disabled{opacity:1;cursor:default}

.visual-warning{padding:15px 20px;background:var(--raised);border-left:4px solid var(--amber);font-size:.9rem;color:var(--ink)}