:root{font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.6;font-weight:400;color:#1a1a1a;background-color:#f5f5f5;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box;margin:0;padding:0}body{margin:0;min-width:320px;min-height:100vh;font-size:18px}h1{font-size:2.5rem;line-height:1.2;font-weight:700;color:#1a1a1a;margin-bottom:1rem}h2{font-size:2rem;line-height:1.3;font-weight:600;color:#2c2c2c;margin-bottom:1rem}h3{font-size:1.5rem;line-height:1.4;font-weight:600;color:#2c2c2c;margin-bottom:.75rem}p{font-size:1.1rem;line-height:1.6;margin-bottom:.75rem}button{font-family:inherit;font-size:1.1rem;font-weight:600;padding:1rem 2rem;border-radius:8px;border:2px solid transparent;cursor:pointer;transition:all .2s ease;min-height:50px}button:disabled{opacity:.6;cursor:not-allowed}button:focus-visible{outline:3px solid #0066cc;outline-offset:2px}input,textarea{font-family:inherit;font-size:1.1rem;padding:.875rem 1rem;border:2px solid #ccc;border-radius:6px;width:100%;transition:border-color .2s ease}input:focus,textarea:focus{outline:none;border-color:#06c;box-shadow:0 0 0 3px #0066cc1a}input:disabled,textarea:disabled{background-color:#f0f0f0;cursor:not-allowed}label{font-size:1.1rem;font-weight:600;display:block;margin-bottom:.5rem;color:#2c2c2c}a{color:#06c;text-decoration:none;font-weight:500}a:hover{text-decoration:underline}.landing-container{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:2rem;background:linear-gradient(135deg,#06c,#004c99);gap:24px}.landing-card{background:#fff;border-radius:12px;padding:3rem;width:100%;max-width:600px;box-shadow:0 8px 24px #00000026;z-index:1}.landing-card h1{text-align:center;margin-bottom:2rem;color:#1a1a1a}.redemption-form{display:flex;flex-direction:column;gap:1.5rem}.form-group{display:flex;flex-direction:column}.error-message{background-color:#fee;border:2px solid #c00;color:#c00;padding:1rem;border-radius:6px;font-size:1.1rem;font-weight:600;text-align:center}.submit-button{background-color:#06c;color:#fff;border:none;margin-top:1rem;font-size:1.2rem;padding:1.25rem 2rem}.submit-button:hover:not(:disabled){background-color:#0052a3;transform:translateY(-1px);box-shadow:0 4px 12px #0066cc4d}.submit-button:active:not(:disabled){transform:translateY(0)}@media(max-width:640px){.landing-card{padding:2rem}.landing-card h1{font-size:2rem}}.login-alternative{margin-top:20px;text-align:center}.login-alternative p{margin:0 0 8px;color:#666}.link-button{background:none;border:none;color:#007bff;cursor:pointer;font-size:14px;padding:0;text-decoration:underline}.link-button:hover{color:#0056b3}.back-button{margin-top:16px}.landing-footer{margin-top:0;padding:24px;background:#fff;text-align:center;color:#555;font-size:13px;border-radius:8px;box-shadow:0 2px 6px #0000000d;max-width:600px;width:100%}.landing-card p{text-align:center;color:#666;margin-bottom:24px;font-size:16px}.dashboard-loading{min-height:100vh;display:flex;align-items:center;justify-content:center;font-size:1.5rem;color:#666;background:linear-gradient(135deg,#06c,#004c99)}.dashboard-container{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;padding:2rem;background:linear-gradient(135deg,#06c,#004c99);gap:24px}.dashboard-card{background:#fff;border-radius:12px;padding:2.5rem;width:100%;max-width:800px;box-shadow:0 8px 24px #00000026;z-index:1}.dashboard-header{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem;margin-bottom:2rem}.dashboard-header h1{margin:0;color:#1a1a1a}.logout-button{background-color:#f44336;color:#fff;border:none;padding:8px 16px;border-radius:4px;cursor:pointer;font-weight:500}.logout-button:hover{background-color:#d32f2f}.dashboard-content{width:100%}.dashboard-section{background:#fff;border-radius:12px;padding:2rem;margin-bottom:2rem;box-shadow:0 2px 8px #00000014}.dashboard-section h2{margin-top:0;margin-bottom:1.5rem;padding-bottom:.75rem;border-bottom:2px solid #eaeaea;color:#222}.message{background-color:#e6f3ff;border:2px solid #0066cc;color:#004c99;padding:1rem;border-radius:6px;margin-bottom:1rem;font-weight:600}.profile-view{display:flex;flex-direction:column;gap:1rem}.profile-view p{font-size:1.2rem;margin:0}.profile-view strong{color:#666;display:inline-block;min-width:100px}.edit-button{background-color:#06c;color:#fff;border:none;padding:8px 16px;border-radius:4px;align-self:flex-start;font-weight:500;cursor:pointer}.edit-button:hover:not(:disabled){background-color:#0052a3}.profile-form{display:flex;flex-direction:column;gap:1.5rem}.profile-form .form-group{display:flex;flex-direction:column}.profile-form label{font-weight:500;margin-bottom:6px;color:#333}.profile-form input{padding:8px;border:1;border:1px solid #ccc;border-radius:4px;font-size:1rem}.form-actions{display:flex;gap:1rem;flex-wrap:wrap}.save-button,.cancel-button{padding:8px 16px;border:none;border-radius:4px;font-weight:500;cursor:pointer}.save-button{background-color:#4caf50;color:#fff}.save-button:hover:not(:disabled){background-color:#388e3c}.cancel-button{background-color:#9e9e9e;color:#fff}.cancel-button:hover:not(:disabled){background-color:#757575}.courses-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem;margin-top:1rem}.course-card{border:2px solid #e0e0e0;border-radius:8px;padding:1.5rem;display:flex;flex-direction:column;gap:1rem;transition:transform .2s ease,box-shadow .2s ease}.course-card:hover{transform:translateY(-2px);box-shadow:0 4px 12px #0000001a}.course-card h3{margin:0;color:#06c}.course-status{color:#666;font-size:1.1rem;font-weight:600;margin:0}.course-button{background-color:#06c;color:#fff;border:none;padding:10px;border-radius:4px;font-weight:500;cursor:pointer;width:100%}.course-button:hover:not(:disabled){background-color:#0052a3}.dashboard-footer{margin-top:0;padding:24px;background:#fff;text-align:center;color:#555;font-size:13px;border-radius:8px;box-shadow:0 2px 6px #0000000d;max-width:800px;width:100%}.footer-logo img{margin-bottom:10px;opacity:.95}.footer-links{margin:10px 0}.footer-links a{color:#0073aa;text-decoration:none;margin:0 10px;font-weight:500;transition:color .2s}.footer-links a:hover{color:#005a87;text-decoration:underline}.footer-copyright{margin-top:8px;color:#888}@media(max-width:768px){.dashboard-card{padding:1.5rem}.dashboard-header{flex-direction:column;align-items:flex-start;gap:1rem}.logout-button{align-self:flex-end}.courses-grid{grid-template-columns:1fr}.form-actions{flex-direction:column}.cancel-button{width:100%}}.course-loading{min-height:100vh;display:flex;align-items:center;justify-content:center;font-size:1.5rem;color:#666}.course-container{min-height:100vh;background-color:#f5f5f5}.course-header{background-color:#fff;border-bottom:2px solid #e0e0e0;padding:1.5rem 2rem;display:flex;flex-direction:column;gap:1rem}.back-button{background-color:#fff;color:#06c;border:2px solid #0066cc;padding:.75rem 1.5rem;align-self:flex-start}.back-button:hover{background-color:#f0f7ff}.course-header h1{margin:0;color:#1a1a1a}.progress-section{background-color:#fff;padding:2rem;border-bottom:2px solid #e0e0e0}.progress-bar{width:100%;height:24px;background-color:#e0e0e0;border-radius:12px;overflow:hidden;margin-bottom:1rem}.progress-fill{height:100%;background:linear-gradient(90deg,#06c,#0052a3);transition:width .3s ease}.progress-text{text-align:center;font-size:1.2rem;font-weight:600;color:#1a1a1a;margin:0}.course-content{max-width:1000px;margin:0 auto;padding:2rem}.module-content{background:#fff;border-radius:12px;padding:2rem;margin-bottom:2rem;box-shadow:0 2px 8px #00000014}.module-content h2{margin-top:0;color:#1a1a1a}.module-description{font-size:1.1rem;line-height:1.7;color:#2c2c2c}.ai-section{background:#fff;border-radius:12px;padding:2rem;margin-bottom:2rem;box-shadow:0 2px 8px #00000014}.ai-section h3{margin-top:0;color:#1a1a1a}.course-message{background-color:#e6f3ff;border:2px solid #0066cc;color:#004c99;padding:1rem;border-radius:6px;margin-bottom:1.5rem;font-weight:600;text-align:center}.ai-buttons{display:flex;gap:1rem;flex-wrap:wrap;margin-top:1rem}.ai-button{flex:1;min-width:200px;background-color:#06c;color:#fff;border:none}.ai-button:hover:not(:disabled){background-color:#0052a3;transform:translateY(-1px);box-shadow:0 4px 12px #0066cc4d}.text-button{background-color:#06c}.image-button{background-color:#00804d}.image-button:hover:not(:disabled){background-color:#006639;box-shadow:0 4px 12px #00804d4d}.ai-result{margin-top:2rem;padding:1.5rem;background-color:#f8f9fa;border:2px solid #e0e0e0;border-radius:8px}.ai-result h4{margin-top:0;margin-bottom:1rem;color:#1a1a1a;font-size:1.3rem}.ai-result p{margin:0;font-size:1.1rem;line-height:1.7;color:#2c2c2c;white-space:pre-wrap}.generated-image{max-width:100%;height:auto;border-radius:8px;display:block;margin-top:1rem}.module-navigation{display:flex;justify-content:space-between;gap:1rem;margin-top:2rem}.nav-button{flex:1;max-width:250px;background-color:#06c;color:#fff;border:none;font-size:1.2rem}.nav-button:hover:not(:disabled){background-color:#0052a3;transform:translate(2px)}.prev-button:hover:not(:disabled){transform:translate(-2px)}.nav-button:disabled{background-color:#ccc;color:#666}@media(max-width:768px){.course-header{padding:1rem}.progress-section{padding:1.5rem 1rem}.course-content{padding:1rem}.module-content,.ai-section{padding:1.5rem}.ai-buttons{flex-direction:column}.ai-button{width:100%}.module-navigation{flex-direction:column}.nav-button{max-width:100%}}.markdown-content h1,.markdown-content h2,.markdown-content h3{margin-top:1.5rem;margin-bottom:1rem;color:#06c}.markdown-content p{margin-bottom:1rem;line-height:1.7}.markdown-content img{max-width:100%;height:auto;border-radius:8px;display:block;margin:1rem auto}.markdown-content blockquote{border-left:4px solid #0066cc;padding-left:1rem;margin:1.5rem 0;color:#555;font-style:italic}.markdown-content ul,.markdown-content ol{margin-bottom:1rem;padding-left:1.5rem}#root{width:100%;min-height:100vh}