:root{color-scheme:light;--font-display: "Fraunces", serif;--font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--bg: #FAF8F5;--text: #2C3539;--text-muted: #52585C;--accent: #358273;--accent-light: #E9F2F0;--accent-hover: #29685B;--secondary: #D96A53;--secondary-light: #FCEBE7;--danger: #C84A41;--success: #438A5E;--panel: #FFFFFF;--border: #E6E2DC;--border-strong: #CFC9C0;--card-width-compact: 18rem;--card-width-standard: 25rem;--card-width-immersive: 48rem;--shadow-sm: 0 1px 2px 0 rgba(44, 53, 57, .05), 0 10px 24px -18px rgba(44, 53, 57, .2);--shadow: 0 12px 30px -18px rgba(44, 53, 57, .24);--shadow-lg: 0 24px 54px -28px rgba(44, 53, 57, .28);--radius: 12px;--radius-lg: 18px;--ease: cubic-bezier(.4, 0, .2, 1);--transition: .2s var(--ease)}html{font-size:15px}@media(max-width:1440px),(max-height:900px){html{font-size:12.8px}}@media(max-width:1280px),(max-height:800px){html{font-size:12px}}*{box-sizing:border-box;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}html,body,#root{height:100%;margin:0}body{background:linear-gradient(180deg,#FFFFFF 0%,var(--bg) 56%,#F2EFE9 100%);color:var(--text);font-family:var(--font-body);line-height:1.5}.studio-shell{max-width:var(--shell-max-width, 1200px);width:min(100%,var(--shell-max-width, 1200px));margin:0 auto;padding:24px 20px;min-height:100vh}.studio-shell-narrow{--shell-max-width: 900px}.studio-shell-wide{--shell-max-width: 1360px}.studio-shell-workspace,.studio-shell-survey-workspace{--shell-max-width: 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solid rgba(125,111,92,.14);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-sm)}.card-teacher{padding:16px 20px}.card:hover{box-shadow:var(--shadow);border-color:#3f7d7729}.app-selection-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(var(--card-width-standard),1fr));gap:24px}.app-workspace-card{background:linear-gradient(180deg,#fffffffa,#fffdfafa);border:1px solid rgba(125,111,92,.14);border-radius:20px;overflow:hidden;transition:all .35s var(--ease);cursor:pointer;display:flex;flex-direction:column;box-shadow:var(--shadow-sm);width:100%;max-width:var(--card-width-standard)}.app-workspace-card-horizontal{flex-direction:row!important;align-items:center;padding:24px!important;gap:24px!important;max-width:100%!important}.survey-stimulus-shell{display:grid;gap:14px;margin-bottom:22px;padding:18px;background:linear-gradient(135deg,#3f7d7717,#7482af0d),#fffdfaeb;border:1px solid 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var(--border-strong);border-radius:var(--radius);font-family:inherit;font-size:1rem;transition:var(--transition);background:#fffdfaeb;color:var(--text);width:100%}input::placeholder,textarea::placeholder{color:#9a9186}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px #3f7d7724}textarea{resize:vertical;min-height:100px}select{cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='currentColor'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;background-size:16px;padding-right:40px}.voice-stage-v2{display:flex;align-items:center;justify-content:center;gap:100px;margin-bottom:40px}.voice-core-wrapper{display:flex;flex-direction:column;align-items:center;gap:32px;transition:all .6s var(--ease)}.voice-core{position:relative;width:160px;height:160px;display:grid;place-items:center}.core-inner{width:100px;height:100px;border-radius:50%;background:var(--text-muted);position:relative;z-index:5;transition:all .5s var(--ease);animation:morph 8s ease-in-out infinite;box-shadow:inset 0 0 20px #fff3}.ripple{position:absolute;width:100px;height:100px;border-radius:50%;border:2px solid currentColor;opacity:0;pointer-events:none;z-index:1}.voice-core-wrapper.speaking .core-inner{transform:scale(1.1);box-shadow:0 0 40px currentColor}.voice-core-wrapper.speaking .ripple{animation:ripple-out 3s cubic-bezier(.23,1,.32,1) infinite}.voice-core-wrapper.speaking .r2{animation-delay:1s}.voice-core-wrapper.speaking .r3{animation-delay:2s}.voice-core-wrapper.user{color:var(--secondary)}.voice-core-wrapper.user .core-inner{background:linear-gradient(135deg,var(--secondary) 0%,#B85541 100%)}.voice-core-wrapper.ai{color:var(--accent)}.voice-core-wrapper.ai .core-inner{background:linear-gradient(135deg,var(--accent) 0%,#29685B 100%)}.voice-core-wrapper:not(.speaking){opacity:.4;filter:grayscale(.5) blur(1px);transform:scale(.85)}.voice-label{font-size:.75rem;font-weight:800;text-transform:uppercase;letter-spacing:.2em;color:var(--text-muted);opacity:.8}.neural-bridge{width:200px;height:4px;background:#0000000d;border-radius:999px;position:relative;overflow:hidden}.signal-flow{width:100%;height:100%;background:linear-gradient(90deg,transparent 0%,var(--accent) 50%,transparent 100%);position:absolute;animation:signal-travel 2s linear infinite}@keyframes morph{0%{border-radius:60% 40% 30% 70%/60% 30% 70% 40%}50%{border-radius:30% 60% 70% 40%/50% 60% 30%}to{border-radius:60% 40% 30% 70%/60% 30% 70% 40%}}@keyframes ripple-out{0%{transform:scale(1);opacity:.5}to{transform:scale(3);opacity:0}}@keyframes signal-travel{0%{transform:translate(-100%)}to{transform:translate(100%)}}.briefing-hero-v2{margin:40px 0 48px}.run-grid-aligned{display:grid;grid-template-columns:1fr 400px;gap:32px;align-items:start}.briefing-content-card,.briefing-setup-card{display:flex;flex-direction:column;gap:40px;padding:48px}.card-section{display:flex;flex-direction:column;gap:16px}.briefing-title-large{font-size:2.5rem;line-height:1.1}.briefing-desc-text{font-size:1.125rem;line-height:1.6;color:var(--text-muted)}.card-section-meta{display:grid;grid-template-columns:1fr 1fr;gap:32px;padding:32px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.meta-pair label{display:block;font-size:.75rem;font-weight:700;text-transform:uppercase;color:var(--text-muted);margin-bottom:8px;letter-spacing:.05em}.meta-pair strong{font-size:1.25rem;color:var(--text)}.card-section-status{display:grid;grid-template-columns:1fr;gap:20px;padding:32px;border-radius:calc(var(--radius) + 4px);background:linear-gradient(180deg,#3f7d7714,#3f7d7708);border:1px solid rgba(63,125,119,.16)}.status-item-v2 label{display:block;font-size:.8rem;font-weight:800;text-transform:uppercase;color:var(--accent);margin-bottom:10px;letter-spacing:.08em}.status-item-v2 p{font-size:1.18rem;line-height:1.7;color:var(--text);font-weight:600}.card-section-meta-compact{gap:16px;padding:20px 24px}.card-section-meta-compact .meta-pair{padding:0}.card-section-meta-compact .meta-pair label{margin-bottom:6px}.card-section-meta-compact .meta-pair strong{font-size:.98rem;font-weight:600}.setup-workflow-form{display:flex;flex-direction:column;gap:32px}.status-badge-v2{padding:20px;background:#fffbf6e0;border:1px solid var(--border);border-radius:var(--radius)}.status-badge-v2 label{display:block;font-size:.75rem;color:var(--text-muted);margin-bottom:4px}.readiness-grid-v2{display:grid;grid-template-columns:1fr 1fr;gap:12px}.readiness-cell{padding:16px;background:#fffdfaf5;border:1px solid var(--border);border-radius:var(--radius);text-align:center}.readiness-cell label{display:block;font-size:.625rem;text-transform:uppercase;font-weight:700;color:var(--text-muted);margin-bottom:4px}.custom-checkbox-row{display:flex;gap:16px;align-items:flex-start;cursor:pointer;padding:18px 20px;border-radius:var(--radius);transition:var(--transition);border:1px solid rgba(63,125,119,.18);background:#3f7d770d;min-width:0}.custom-checkbox-row:hover{background:#3f7d7714}.custom-checkbox-row input[type=checkbox]{width:20px;height:20px;margin-top:2px;accent-color:var(--accent);flex:0 0 auto}.consent-verification-zone{display:flex;flex-direction:column;gap:12px}.consent-lead{font-size:.85rem;font-weight:800;text-transform:uppercase;letter-spacing:.08em;color:var(--accent)}.checkbox-label{font-size:1rem;line-height:1.5;color:var(--text);font-weight:600;min-width:0;white-space:normal;overflow-wrap:anywhere;word-break:break-word}.survey-choice-list{display:grid;gap:12px}.survey-choice-option{position:relative;display:grid;grid-template-columns:auto minmax(0,1fr);gap:14px;align-items:center;padding:16px 18px;border:1px solid var(--border);border-radius:16px;background:#fffdfaf5;cursor:pointer;transition:var(--transition);box-shadow:var(--shadow-sm)}.survey-choice-option:hover{border-color:#3f7d7752;background:#3f7d770a;transform:translateY(-1px)}.survey-choice-option:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px #3f7d771f}.survey-choice-option.is-selected{border-color:#3f7d7775;background:linear-gradient(135deg,#3f7d771a,#fffdfae0)}.survey-choice-input{position:absolute;opacity:0;pointer-events:none}.survey-choice-indicator{position:relative;width:22px;height:22px;flex:0 0 auto;border:1.5px solid var(--border-strong);background:#fffdfafa;transition:var(--transition)}.survey-choice-indicator.is-radio{border-radius:999px}.survey-choice-indicator.is-checkbox{border-radius:7px}.survey-choice-indicator:after{content:"";position:absolute;inset:50%;transform:translate(-50%,-50%) scale(.5);opacity:0;transition:var(--transition)}.survey-choice-indicator.is-radio:after{width:10px;height:10px;border-radius:999px;background:var(--accent)}.survey-choice-indicator.is-checkbox:after{width:10px;height:6px;border-left:2px solid white;border-bottom:2px solid white;transform:translate(-50%,-60%) rotate(-45deg) scale(.7);transform-origin:center}.survey-choice-option.is-selected .survey-choice-indicator{border-color:var(--accent);background:var(--accent-light)}.survey-choice-option.is-selected .survey-choice-indicator.is-checkbox{background:var(--accent)}.survey-choice-option.is-selected .survey-choice-indicator:after{opacity:1}.survey-choice-content{min-width:0}.survey-choice-label{display:block;font-size:1rem;line-height:1.55;color:var(--text);font-weight:600}.setup-actions-footer{display:flex;flex-direction:column;gap:12px}.begin-btn-v2{padding:16px;font-size:1.125rem}.resume-prompt-v2{display:flex;justify-content:space-between;align-items:center;padding:20px;border:1px dashed var(--border-strong);border-radius:var(--radius);background:#3f7d7708}.resume-info strong{display:block;font-size:.875rem}.resume-info span{font-size:.75rem;color:var(--text-muted)}.error-banner-v2{padding:16px;background:#c15f7217;color:#964456;border-radius:var(--radius);font-size:.875rem;font-weight:600;border:1px solid rgba(193,95,114,.16)}@media(max-width:1024px){.run-grid-aligned{grid-template-columns:1fr}}.run-view{display:flex;flex-direction:column;gap:40px}.run-container{min-height:600px;display:flex;flex-direction:column}.briefing-layout-minimal{max-width:800px;margin:40px auto;animation:fadeIn .4s var(--ease)}.scene-focus-card{padding:32px 40px;background:linear-gradient(180deg,#fffffffa,#fffdfafa);border:1px solid rgba(125,111,92,.14);box-shadow:var(--shadow-lg);display:flex;flex-direction:column;gap:32px}.scene-header-minimal{display:flex;flex-direction:column;gap:12px}.scene-story-text{font-size:1.75rem;line-height:1.4;color:var(--text);font-family:var(--font-display);font-weight:500;font-style:italic;padding-left:24px;border-left:4px solid var(--accent)}.action-trigger-zone{display:flex;flex-direction:column;gap:20px;margin-top:24px}.starter-hint-text{font-size:.875rem;font-weight:600;color:var(--accent);text-transform:uppercase;letter-spacing:.05em}.briefing-actions-row{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-top:32px;border-top:1px solid var(--border)}.navigation-group{display:flex;align-items:center;gap:16px}.action-start-btn{padding:16px 40px;font-size:1.125rem}.status-tag-mini{display:inline-flex;align-items:center;gap:8px;font-size:.75rem;font-weight:700;color:var(--success);text-transform:uppercase;letter-spacing:.05em;background:var(--bg);padding:6px 14px;border-radius:999px;border:1px solid var(--border)}.status-tag-mini .dot{width:6px;height:6px;border-radius:50%;background:var(--success)}.interaction-layout{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:64px;padding:80px 20px;animation:slideUp .6s var(--ease)}.avatar-stage-dual{display:flex;align-items:center;justify-content:center;gap:80px;margin-bottom:20px}.character-container{display:flex;flex-direction:column;align-items:center;gap:20px;transition:transform .3s var(--ease)}.character-bust{position:relative;width:140px;height:180px;display:flex;flex-direction:column;align-items:center}.bust-head{width:72px;height:72px;border-radius:50%;background:var(--text-muted);margin-bottom:12px;transition:all .4s var(--ease)}.bust-torso{width:120px;height:80px;border-radius:40px 40px 12px 12px;background:var(--text-muted);opacity:.6;transition:all .4s var(--ease)}.character-label{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--text-muted);background:#fffdfaf5;padding:4px 12px;border:1px solid var(--border);border-radius:999px}.character-container.user .bust-head,.character-container.user .bust-torso{background:var(--secondary)}.character-container.user.active-speaker .bust-head{box-shadow:0 0 0 12px var(--secondary-light);animation:speak-pulse 2s infinite}.character-container.ai .bust-head,.character-container.ai .bust-torso{background:var(--accent)}.character-container.ai.active-speaker .bust-head{box-shadow:0 0 0 12px var(--accent-light);animation:speak-pulse-ai 2s infinite}.character-container:not(.active-speaker){opacity:.5;transform:scale(.9)}.character-container.active-speaker{opacity:1;transform:scale(1.05)}.dialogue-bridge{position:relative;width:160px;height:2px;background:var(--border);overflow:hidden}.pulse-line{width:100%;height:100%;background:linear-gradient(90deg,transparent,var(--accent),transparent);animation:pulse-flow 2s linear infinite}.interaction-info{margin-top:20px;text-align:center}.interaction-info h2{font-size:2.5rem;margin-bottom:12px}.interaction-info p{font-size:1.125rem;color:var(--accent);font-weight:600;letter-spacing:.05em;text-transform:uppercase}.interaction-controls{display:flex;flex-direction:column;align-items:center;gap:24px}.action-stop-btn{padding:18px 60px;font-size:1.25rem;box-shadow:0 20px 25px -5px #e11d4833}.active-scene-hint{padding:12px 24px;background:#fffdfaf5;border:1px solid var(--border);border-radius:999px;font-size:.875rem;color:var(--text-muted)}.teacher-admin-shell-v2{display:block;width:100%;animation:fadeIn .4s var(--ease)}.survey-teacher-workspace-shell .teacher-admin-shell-v2,.roleplay-teacher-workspace-shell .teacher-admin-shell-v2{width:min(90%,1480px);margin:0 auto;overflow-x:clip}.survey-teacher-workspace-shell .card,.survey-teacher-workspace-shell .workspace-split-layout,.survey-teacher-workspace-shell .survey-builder-workspace,.survey-teacher-workspace-shell .survey-builder-canvas,.survey-teacher-workspace-shell .content-list-pane,.survey-teacher-workspace-shell .details-editor-pane,.survey-teacher-workspace-shell .survey-question-card,.roleplay-teacher-workspace-shell .teacher-project-detail-view,.roleplay-teacher-workspace-shell .teacher-main,.roleplay-teacher-workspace-shell .workspace-tab-content,.roleplay-teacher-workspace-shell .card,.roleplay-teacher-workspace-shell .workspace-split-layout,.roleplay-teacher-workspace-shell 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