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rgba(0,0,0,.2);position:relative;z-index:1}.study-subtitle{font-size:1.4rem;color:#dcd6f7;font-weight:500;display:flex;gap:1rem;align-items:center;position:relative;z-index:1}.study-subtitle span{background:rgba(255,255,255,.1);padding:4px 12px;border-radius:20px;backdrop-filter:blur(4px)}.main-body{padding:2rem 4rem .1rem;display:grid;grid-template-columns:1fr;gap:4rem}.main-body.has-documents{grid-template-columns:300px 1fr;gap:1.5rem}.supporting-docs-section{position:sticky;top:2rem;height:fit-content}.section-badge{display:inline-block;background:var(--soft-periwinkle);color:var(--deep-twilight);padding:4px 12px;border-radius:6px;font-weight:700;font-size:.8rem;text-transform:uppercase;letter-spacing:1px;margin-bottom:.5rem}.section-title{font-size:1.8rem;color:var(--indigo-ink);margin-bottom:1.5rem;font-weight:800;display:flex;align-items:center;gap:12px}.docs-list{display:flex;flex-direction:column;gap:1rem}.doc-item{background:#f8f9fc;border:2px solid 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#4a21a24d}.doc-info{display:flex;flex-direction:column}.doc-name{color:var(--deep-twilight);font-weight:700;font-size:.95rem;line-height:1.2}.doc-type{color:var(--indigo-velvet);font-size:.75rem;font-weight:600;margin-top:3px;text-transform:uppercase}.description-section{color:#555;line-height:1.8;font-size:1.1rem}.content-block{margin-bottom:3rem;background:white;padding:0}.content-block h3{color:var(--indigo-ink);font-size:1.6rem;margin-bottom:1rem;display:flex;align-items:center;gap:10px}.content-block h3:before{content:"";display:block;width:8px;height:28px;background:var(--dusty-grape);border-radius:4px}.content-block p{margin-bottom:1.2rem;text-align:justify;color:#4a4a4a}.unit-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1rem;margin-top:1.5rem}.unit-card{background:white;padding:1.2rem;border-radius:16px;border:1px solid #eee;box-shadow:0 4px 12px #00000008;transition:all .3s 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li:before{content:"\2713";position:absolute;left:0;top:2px;width:24px;height:24px;background:var(--soft-periwinkle);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.8rem;font-weight:700}.floating-admin-btn,.floating-intellisense-btn{position:fixed;bottom:30px;width:60px;height:60px;border-radius:50%;border:none;color:#fff;font-size:1.8rem;cursor:pointer;box-shadow:0 6px 20px #0000004d;transition:all .3s cubic-bezier(.175,.885,.32,1.275);display:flex;align-items:center;justify-content:center;z-index:1000}.floating-admin-btn{left:30px;background:linear-gradient(135deg,#64748b,#475569)}.floating-intellisense-btn{right:30px;background:linear-gradient(135deg,var(--indigo-velvet),var(--indigo-ink));animation:pulse-glow 2s ease-in-out infinite;border:2px solid rgba(167,139,250,.4)}@keyframes pulse-glow{0%,to{box-shadow:0 6px 20px #4a21a280,0 0 20px #4a21a24d}50%{box-shadow:0 6px 30px #4a21a2b3,0 0 35px #4a21a280}}.floating-admin-btn:hover{transform:scale(1.1) rotate(180deg);box-shadow:0 8px 24px #0006}.floating-intellisense-btn:hover{transform:scale(1.1) rotate(-10deg);box-shadow:0 8px 30px #4a21a280}.admin-modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1001;animation:fadeIn .2s ease-out}.admin-modal-content{background:white;padding:0;border-radius:20px;width:90%;max-width:500px;box-shadow:0 20px 60px #0003;animation:modalSlideIn .3s cubic-bezier(.175,.885,.32,1.275);overflow:hidden}@keyframes modalSlideIn{0%{opacity:0;transform:translateY(20px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.modal-header{background:var(--indigo-ink);color:#fff;padding:1.5rem;display:flex;justify-content:space-between;align-items:center}.modal-header h2{margin:0;font-size:1.4rem}.close-btn{background:rgba(255,255,255,.2);border:none;color:#fff;width:32px;height:32px;border-radius:50%;font-size:1.2rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s}.close-btn:hover{background:rgba(255,255,255,.4)}.modal-body{padding:2rem}.form-group{margin-bottom:1.5rem}.form-group label{display:block;margin-bottom:.5rem;color:var(--deep-twilight);font-weight:600;font-size:.95rem}.form-group input[type=number],.form-group input[type=text]{width:100%;padding:12px;border:2px solid #e0e0e0;border-radius:10px;font-size:1rem;transition:border-color .2s;box-sizing:border-box}.form-group input:focus{border-color:var(--indigo-velvet);outline:none}.file-upload-wrapper{position:relative;width:100%}.file-upload-wrapper input[type=file]{display:none}.file-upload-label{display:flex;align-items:center;justify-content:center;padding:1.5rem;border:2px dashed #cbd5e1;border-radius:12px;background:#f8fafc;color:#64748b;font-weight:500;cursor:pointer;transition:all .2s;text-align:center}.file-upload-label:hover{border-color:var(--indigo-velvet);background:#f0f4ff;color:var(--indigo-velvet)}.pending-files-list{list-style:none;padding:0;margin:10px 0 0;background:#f8fafc;border-radius:8px;overflow:hidden}.pending-files-list li{padding:8px 12px;border-bottom:1px solid #eee;font-size:.9rem;color:var(--deep-twilight)}.pending-files-list li:last-child{border-bottom:none}.modal-footer{padding:1.5rem;background:#f8f9fc;border-top:1px solid #eee;display:flex;justify-content:flex-end;gap:1rem}.cancel-btn{padding:10px 20px;border:2px solid #e2e8f0;background:white;color:#64748b;border-radius:8px;font-weight:600;cursor:pointer;transition:all .2s}.cancel-btn:hover{background:#f1f5f9;border-color:#cbd5e1;color:#475569}.save-btn{padding:10px 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#3211850d;position:relative;overflow:hidden}.ai-assistant-banner:after{content:"";position:absolute;top:0;right:0;width:150px;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.8));pointer-events:none}.ai-icon-pulse{font-size:2rem;background:var(--soft-periwinkle);width:50px;height:50px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 0 #8f7fd466;animation:pulse 2s infinite;flex-shrink:0}@keyframes pulse{0%{box-shadow:0 0 #8f7fd466}70%{box-shadow:0 0 0 10px #8f7fd400}to{box-shadow:0 0 #8f7fd400}}.ai-content{flex:1}.ai-title{margin:0 0 .5rem;font-size:1.3rem;color:var(--indigo-ink);font-weight:800;display:flex;align-items:center;gap:10px}.ai-badge{background:linear-gradient(135deg,var(--indigo-velvet),var(--indigo-ink));color:#fff;font-size:.7rem;padding:3px 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li:hover{background:#f3f4f6;transform:translate(2px)}.assistant-bubble .key-points-list li:before{content:"\25b8";position:absolute;left:.5rem;top:.5rem;color:var(--indigo-velvet);font-size:1rem;font-weight:700}.assistant-bubble .checks-list li:before{content:"?";position:absolute;left:.5rem;top:.5rem;width:18px;height:18px;background:var(--soft-periwinkle);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.7rem;font-weight:700}.chat-footer{padding:.75rem 1rem;background:white;border-top:1px solid #e5e7eb;box-shadow:0 -2px 10px #0000000d}.chat-hint{display:flex;align-items:center;justify-content:center;gap:8px;color:#64748b;font-size:.85rem}.hint-icon{font-size:1.1rem}.thinking-animation{display:flex;gap:6px;justify-content:center;margin-bottom:8px}.dot-pulse{width:8px;height:8px;border-radius:50%;background:var(--indigo-velvet);animation:dotPulse 1.4s infinite ease-in-out 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#e0e7ff!important}.quiz-me-btn{width:100%;padding:14px 20px;background:linear-gradient(135deg,#8b5cf6,#7c3aed);color:#fff;border:none;border-radius:12px;font-weight:700;font-size:1rem;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:10px;transition:all .3s cubic-bezier(.175,.885,.32,1.275);box-shadow:0 4px 15px #8b5cf64d}.quiz-me-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px #8b5cf666}.quiz-me-btn:active{transform:translateY(0)}.quiz-icon{font-size:1.3rem;animation:bounce 2s ease-in-out infinite}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-5px)}}.quiz-badge{background:rgba(255,255,255,.25);padding:4px 10px;border-radius:12px;font-size:.75rem;font-weight:600}.quiz-modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.6);backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;z-index:3000;animation:fadeIn .2s 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#0104404d}.btn-secondary:hover{background:#F2F2F2;color:#3e21a6;transform:translateY(-2px)}.flow-info{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.5rem;margin-top:2rem}.flow-box{background:#F2F2F2;backdrop-filter:blur(10px);border-radius:12px;padding:1.5rem;border:2px solid #8F84D9;box-shadow:0 6px 20px #00000080;color:#3e21a6}.flow-box h3{font-size:1.25rem;margin-bottom:1rem;color:#3e21a6}.flow-steps{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:.5rem;font-size:.9rem}.flow-steps span{padding:.5rem 1rem;background:rgba(143,132,217,.4);border-radius:8px;color:#fff;border:1px solid rgba(143,132,217,.6)}.flow-steps span.highlight{background:rgba(143,132,217,.6);font-weight:700;border-color:#8f84d9;color:#fff}.demo-links-grid{display:grid;gap:1.5rem}.demo-link-group{background:#F2F2F2;border-radius:12px;padding:1.5rem;border:2px solid #8F84D9;box-shadow:0 4px 16px #0006}.demo-link-group h3{font-size:1.2rem;margin-bottom:1rem;color:#3e21a6}.demo-student-links{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:.75rem}.demo-link{display:block;padding:.75rem 1rem;background:rgba(143,132,217,.3);border-radius:8px;text-decoration:none;color:#fff;transition:all .2s ease;border:1px solid rgba(143,132,217,.6);font-size:.95rem;font-weight:500}.demo-link:hover{background:rgba(143,132,217,.5);transform:translate(5px);border-color:#8f84d9;color:#fff}@media (max-width: 768px){.hero h1{font-size:2.5rem}.subtitle{font-size:1.2rem}.feature-cards{grid-template-columns:1fr}.cta-buttons{flex-direction:column}.btn{width:100%}.demo-student-links{grid-template-columns:1fr}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#f5f7fa}#root{min-height:100vh}