/* Integrated simulation content layer — Premium Noir */
.prologue-strip{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:16px;border-color:var(--border-gold);background:linear-gradient(115deg,rgba(216,163,67,.085),rgba(10,16,21,.96) 38%,rgba(7,12,16,.98))}.prologue-strip h2{font:500 24px/1.1 var(--serif);margin:4px 0 6px}.prologue-strip p{margin:0;color:var(--text-secondary);font-size:12px}.prologue-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;justify-content:flex-end}.status-pill{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--border);border-radius:999px;padding:6px 9px;font-size:10px;color:var(--text-secondary);white-space:nowrap}.status-pill.success{border-color:rgba(86,191,105,.32);background:rgba(86,191,105,.06)}.content-stats{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:14px 0}.content-stats>div{border:1px solid var(--border-subtle);border-radius:7px;padding:10px;background:rgba(255,255,255,.012)}.content-stats strong{display:block;font:500 25px/1 var(--serif);color:var(--gold-300)}.content-stats span{font-size:9px;color:var(--text-secondary)}.preview-level{opacity:.82}.preview-level:hover{opacity:1}.level-row-title{font:500 17px/1.2 var(--serif)}
.rich-level-layout{align-items:start}.rich-level-hero{min-height:235px}.level-kicker{font:500 17px var(--serif);margin-bottom:10px}.content-stepper{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));overflow:visible}.content-stepper .step{border:0;background:transparent;color:var(--text-secondary);cursor:pointer;text-align:center}.content-stepper .step:hover{background:rgba(216,163,67,.035);color:var(--text-primary)}.content-stepper .step.current{color:var(--gold-300);box-shadow:inset 0 -2px 0 var(--gold-500);background:rgba(216,163,67,.045)}.rich-tab-panel{display:grid;gap:16px}.source-section-label{font-size:10px;text-transform:uppercase;letter-spacing:.12em;color:var(--gold-500);margin-bottom:8px}.source-scene-card h2,.lesson-overview h2,.rich-practice-card h2,.materials-intro h2,.ai-level-card h2,.artifact-builder h2,.case-card h2,.quiz-card h2,.simulation-card h2{font:500 27px/1.13 var(--serif);margin:0 0 12px}.lead-copy{font-size:14px;line-height:1.72;color:#d1cdc5;max-width:930px}.source-scene-card blockquote{margin:20px 0 0;border-left:2px solid var(--gold-500);padding:11px 16px;background:rgba(216,163,67,.045);font:500 18px/1.45 var(--serif);color:var(--gold-100)}.scene-visual-note{font-size:11px;color:var(--text-muted);font-style:italic;max-width:850px}.scene-media-feature{margin-top:20px;border-top:1px solid var(--border-subtle);padding-top:18px}.featured-media{max-height:420px}.formula-box{margin-top:16px;border:1px solid var(--border-gold);border-radius:8px;padding:15px 17px;background:linear-gradient(90deg,rgba(216,163,67,.075),rgba(216,163,67,.012))}.formula-box span{display:block;font-size:9px;text-transform:uppercase;letter-spacing:.1em;color:var(--gold-500);margin-bottom:5px}.formula-box strong{font:500 18px/1.45 var(--serif);color:var(--gold-100)}.formula-box p{margin:9px 0 0;color:var(--text-secondary);font-size:11px}.lesson-blocks{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.text-card{padding:22px}.text-card h3{font:500 22px/1.15 var(--serif);margin:0 0 12px;padding-right:48px}.text-card p{color:#c3c0b9;font-size:12px;line-height:1.72}.text-card ul,.lesson-extra ul{margin:12px 0 0;padding-left:19px;color:var(--text-secondary);font-size:11px;line-height:1.68}.text-card li+li{margin-top:6px}.lesson-number{position:absolute;right:18px;top:16px;font:500 24px var(--serif);color:rgba(216,163,67,.32)}.lesson-extra{border-top:1px solid var(--border-subtle);margin-top:15px;padding-top:12px}.lesson-extra>strong{font-size:10px;color:var(--gold-300)}.profile-concepts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.profile-concepts h3{font:500 20px var(--serif);margin:0 0 10px}
.case-card,.quiz-card,.simulation-card{overflow:visible}.quiz-question{border:0;border-top:1px solid var(--border-subtle);padding:17px 0 0;margin:17px 0 0}.quiz-question legend{font:600 12px/1.45 var(--sans);color:#dedbd4;padding:0 0 9px}.quiz-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.quiz-option{min-height:45px;border:1px solid var(--border);border-radius:7px;background:var(--bg-input);color:var(--text-secondary);padding:9px 12px;text-align:left;font-size:10px;line-height:1.4}.quiz-option:hover{border-color:var(--border-gold-strong);color:var(--text-primary)}.quiz-option.selected{border-color:var(--gold-500);background:rgba(216,163,67,.08);color:var(--gold-100)}.quiz-feedback{border:1px solid var(--border-subtle);border-radius:7px;padding:11px;margin-top:9px;font-size:10px;background:rgba(255,255,255,.015)}.quiz-feedback.success{border-color:rgba(86,191,105,.28)}.quiz-feedback.warning{border-color:rgba(230,165,59,.3)}.quiz-feedback p{margin:5px 0 0;color:var(--text-secondary);line-height:1.55}.simulation-options{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:11px;margin-top:15px}.simulation-option{border:1px solid var(--border);border-radius:8px;padding:15px;background:rgba(255,255,255,.012)}.simulation-option.recommended{border-color:var(--border-gold-strong);background:rgba(216,163,67,.055)}.simulation-option h3{font:500 18px var(--serif);margin:0 0 8px}.simulation-option p{font-size:10px;color:var(--text-secondary);line-height:1.55}.simulation-explanation{font-size:11px;color:var(--gold-100);margin-top:14px}.choice-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:13px}
.rich-practice-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px;margin-top:18px}.rich-field{border:1px solid var(--border-subtle);border-radius:8px;padding:13px;background:rgba(255,255,255,.012);min-width:0}.rich-field.wide{grid-column:1/-1}.rich-field label{display:block;font-size:11px;font-weight:600;color:#d5d2ca;line-height:1.42;margin-bottom:8px}.field-section{display:block;color:var(--gold-500);font-size:9px;text-transform:uppercase;letter-spacing:.08em;margin-bottom:5px}.required-mark{color:var(--gold-300)}.rich-field textarea,.rich-field input,.rich-field select{width:100%;border:1px solid var(--border);border-radius:7px;background:var(--bg-input);color:var(--text-primary);padding:11px 12px;outline:none;font-size:11px;transition:.16s}.rich-field textarea{resize:vertical;min-height:92px;line-height:1.5}.rich-field input,.rich-field select{min-height:43px}.rich-field textarea:focus,.rich-field input:focus,.rich-field select:focus{border-color:var(--gold-500);box-shadow:0 0 0 2px rgba(216,163,67,.08)}.checkbox-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px}.check-choice{display:flex!important;align-items:flex-start;gap:8px;margin:0!important;border:1px solid var(--border-subtle);padding:9px;border-radius:6px;font-weight:400!important;color:var(--text-secondary)!important}.check-choice input{width:16px!important;height:16px!important;min-height:0!important;accent-color:var(--gold-500);margin:0}.dynamic-mentor .mentor-stats{display:flex;justify-content:space-between;color:var(--text-muted);font-size:9px;margin-top:9px}.dynamic-mentor .mentor-section:last-child{display:grid;gap:8px}
.materials-intro{display:flex;align-items:center;justify-content:space-between;gap:20px}.material-count{min-width:50px;height:50px;border:1px solid var(--border-gold);border-radius:50%;display:grid;place-items:center;font:500 20px var(--serif);color:var(--gold-300);background:rgba(216,163,67,.04)}.level-media-grid,.media-library-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.media-card-rich{display:flex;flex-direction:column;gap:10px;min-width:0}.media-card-rich.viewed{border-color:rgba(86,191,105,.26)}.media-card-head{display:flex;justify-content:space-between;align-items:center;gap:10px}.type-badge{display:inline-flex;border:1px solid var(--border-gold);border-radius:5px;padding:4px 7px;color:var(--gold-300);font-size:8px;text-transform:uppercase;letter-spacing:.08em;margin-right:7px}.file-size{font-size:9px;color:var(--text-muted)}.media-card-rich h3{font:500 20px/1.15 var(--serif);margin:0}.media-card-rich>p{font-size:10px;line-height:1.55;color:var(--text-secondary);margin:0}.media-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:auto;padding-top:3px}.source-video,.source-image,.source-pdf{width:100%;border:1px solid var(--border);border-radius:7px;background:#020405}.source-video{max-height:360px;aspect-ratio:16/9}.source-image{max-height:440px;object-fit:contain}.source-audio{width:100%;height:42px}.source-pdf{min-height:390px}.source-text-preview{border:1px solid var(--border);border-radius:7px;background:#05090c;overflow:hidden}.source-text-preview pre{white-space:pre-wrap;margin:0;padding:13px;max-height:260px;overflow:auto;color:#a8aaa6;font:9px/1.55 ui-monospace,SFMono-Regular,Consolas,monospace}.file-placeholder{min-height:100px;display:grid;place-items:center;color:var(--text-muted);border:1px dashed var(--border);border-radius:7px}.artifact-template{border-left:2px solid var(--gold-500);background:rgba(216,163,67,.05);padding:15px;white-space:pre-wrap;font:500 16px/1.55 var(--serif);color:#e2d9c6}.artifact-preview-text{margin-top:18px}.answer-summary{display:grid;gap:8px}.answer-summary>div{display:grid;grid-template-columns:minmax(160px,.45fr) 1fr;gap:12px;border-bottom:1px solid var(--border-subtle);padding:8px 0}.answer-summary dt{font-size:10px;color:var(--text-muted)}.answer-summary dd{margin:0;font-size:10px;color:#c8c5bf;white-space:pre-wrap}.criteria-tags{display:flex;flex-wrap:wrap;gap:7px;margin:14px 0}.empty-analysis{text-align:center;border:1px dashed var(--border);border-radius:8px;padding:26px}.empty-analysis .metric-icon{margin:auto}.empty-analysis h3{font:500 21px var(--serif);margin:10px 0 6px}.empty-analysis p{font-size:10px;color:var(--text-secondary)}.saved-analysis{display:grid;grid-template-columns:170px 1fr;gap:22px;border-top:1px solid var(--border-subtle);padding-top:18px}.saved-analysis h3{font:500 23px var(--serif);margin:4px 0 8px;color:var(--gold-100)}.saved-analysis h4{font:500 16px var(--serif);margin:13px 0 4px;color:var(--gold-300)}.saved-analysis p{font-size:11px;line-height:1.58;color:var(--text-secondary)}.analysis-recommendations{border-top:1px solid var(--border-subtle);margin:15px 0;padding-top:14px}.analysis-recommendations h3{font:500 18px var(--serif)}.analysis-recommendations ul,.recommendation-list{padding-left:18px;font-size:11px;color:var(--text-secondary);line-height:1.65}.integrated-analysis-grid{grid-template-columns:1.5fr .8fr}.criteria-list-rich{display:grid;gap:10px;margin-top:16px}
.material-metrics{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;margin-bottom:16px}.materials-toolbar{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:18px}.wide-search{flex:1;max-width:620px}.filter-chips{display:flex;gap:7px;flex-wrap:wrap}.filter-chip{border:1px solid var(--border);border-radius:6px;background:var(--bg-input);color:var(--text-secondary);height:33px;padding:0 10px;font-size:9px}.filter-chip.active,.filter-chip:hover{border-color:var(--border-gold-strong);color:var(--gold-300);background:rgba(216,163,67,.045)}.materials-section{margin-top:22px}.document-modal-head h2{margin-top:7px}.document-reader{white-space:pre-wrap;overflow:auto;max-height:64vh;border:1px solid var(--border);border-radius:7px;background:#04080b;color:#c2c0ba;padding:14px;font:10px/1.62 ui-monospace,SFMono-Regular,Consolas,monospace}.document-modal-head+p{margin:0}.modal:has(.document-reader){width:min(920px,100%)}
@media(max-width:1280px){.content-stepper{grid-template-columns:repeat(4,1fr)}.lesson-blocks,.level-media-grid,.media-library-grid{grid-template-columns:1fr 1fr}.material-metrics{grid-template-columns:repeat(3,1fr)}}
@media(max-width:980px){.prologue-strip,.materials-toolbar{align-items:flex-start;flex-direction:column}.prologue-actions{justify-content:flex-start}.content-stepper{display:flex;overflow-x:auto}.content-stepper .step{min-width:130px}.rich-level-layout{grid-template-columns:1fr}.dynamic-mentor{position:relative;top:auto}.material-metrics{grid-template-columns:repeat(2,1fr)}}
@media(max-width:680px){.lesson-blocks,.profile-concepts,.rich-practice-grid,.level-media-grid,.media-library-grid,.simulation-options,.quiz-options,.material-metrics{grid-template-columns:1fr}.rich-field.wide{grid-column:auto}.checkbox-grid{grid-template-columns:1fr}.source-scene-card h2,.lesson-overview h2,.rich-practice-card h2,.materials-intro h2,.ai-level-card h2,.artifact-builder h2,.case-card h2,.quiz-card h2,.simulation-card h2{font-size:23px}.materials-intro{align-items:flex-start;flex-direction:column}.source-pdf{min-height:330px}.saved-analysis{grid-template-columns:1fr}.answer-summary>div{grid-template-columns:1fr}.document-reader{max-height:58vh}.content-stats{grid-template-columns:repeat(2,1fr)}}
/* Sidebar received an additional Materials route; keep navigation usable on short screens. */
.sidebar{overflow-y:auto;scrollbar-width:thin;scrollbar-color:rgba(216,163,67,.28) transparent}.sidebar::-webkit-scrollbar{width:5px}.sidebar::-webkit-scrollbar-thumb{background:rgba(216,163,67,.24);border-radius:8px}