.app-container{display:flex;flex-direction:column;min-height:100vh}button{cursor:pointer;border:none;background:none;transition:all .2s ease}.container{max-width:1200px;margin:0 auto;padding:0 var(--spacing-lg)}.title-lg{font-size:2.5rem;font-weight:700;color:var(--primary-color);margin-bottom:var(--spacing-md)}.text-center{text-align:center}.home{background-color:var(--bg-color);min-height:100vh}.intro{background:linear-gradient(135deg,var(--primary-color) 0%,#1e293b 100%);color:var(--text-light);padding:2.5rem 2rem;text-align:center;display:flex;flex-direction:column;align-items:center;justify-content:center;box-shadow:var(--shadow-md)}.intro-content{max-width:800px}.intro h1{font-size:3rem;font-weight:800;margin-bottom:1.5rem;color:var(--secondary-color);letter-spacing:-.03em}.intro p{font-size:1.25rem;line-height:1.8;color:#ffffffe6;margin-bottom:2.5rem}.semester-list{max-width:1200px;margin:-3rem auto 0;padding:0 2rem 4rem;position:relative;z-index:10}.impLinks{display:flex;justify-content:center;gap:1.5rem;margin-top:2rem}.impLinks a{text-decoration:none}.impLinks .link{background:#ffffff1a;color:#fff;border:1px solid rgba(255,255,255,.2);padding:.8rem 1.5rem;border-radius:50px;font-size:1rem;font-weight:600;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);transition:all .3s ease;width:auto;display:inline-block}.impLinks .link:hover{background:var(--secondary-color);color:var(--primary-color);transform:translateY(-2px);box-shadow:0 5px 15px #fbbf244d;border-color:var(--secondary-color)}.impLinks .link:after{display:none}.navbar{display:flex;flex-direction:row;align-items:center;justify-content:space-between;padding:1rem 2rem;background:var(--primary-color);color:var(--text-light);box-shadow:var(--shadow-md);position:sticky;top:0;z-index:100;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.brand{font-weight:700;font-size:1.5rem;color:var(--secondary-color);letter-spacing:-.02em;transition:opacity .2s}.brand:hover{opacity:.9}.search{position:relative}.search input{padding:.6rem 1rem;width:24rem;border-radius:9999px;border:1px solid rgba(255,255,255,.1);background:#ffffff1a;color:#fff;font-size:.95rem;transition:all .2s ease}.search input:focus{outline:none;background:#ffffff26;border-color:var(--secondary-color);box-shadow:0 0 0 2px #fbbf2433}.search input::placeholder{color:#ffffff80}@media(max-width:640px){.navbar{flex-direction:column;gap:1rem;padding:1rem}.search input{width:100%}}.footer-container{background-color:var(--primary-color);color:var(--text-light);padding:2rem;text-align:center;margin-top:auto;border-top:4px solid var(--secondary-color)}.footer-content{max-width:1200px;margin:0 auto}.footer-text{font-size:.9rem;color:#ffffffb3}.footer-links{margin-top:1rem;display:flex;justify-content:center;gap:1.5rem}.footer-link{color:var(--secondary-color);font-weight:500;font-size:.9rem;transition:color .2s}.footer-link:hover{text-decoration:underline;color:#fff}.semester-section{margin:3rem 0;padding:2rem;background-color:var(--card-bg);border-radius:12px;box-shadow:var(--shadow-md);border:1px solid rgba(0,0,0,.05);transition:transform .2s ease,box-shadow .2s ease}.semester-section:hover{box-shadow:var(--shadow-lg)}.semester-title{font-size:1.8rem;font-weight:700;color:var(--primary-color);margin-bottom:1.5rem;padding-bottom:.5rem;border-bottom:3px solid var(--secondary-color);display:inline-block}.courses-container{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem}.link{width:100%;padding:1rem 1.5rem;background-color:#fff;color:var(--text-primary);border-radius:8px;border:1px solid #e2e8f0;font-weight:600;text-align:left;transition:all .2s ease;box-shadow:var(--shadow-sm);display:flex;align-items:center;justify-content:space-between}.link:after{content:"→";opacity:0;transform:translate(-10px);transition:all .2s ease;color:var(--accent-color)}.link:hover{border-color:var(--accent-color);box-shadow:var(--shadow-md);transform:translateY(-2px);color:var(--primary-color)}.link:hover:after{opacity:1;transform:translate(0)}a{display:block;width:100%}.course-detail-page{display:flex;flex-direction:column;min-height:100vh;background-color:var(--bg-color)}.course-content{flex:1;padding:3rem 2rem;max-width:1000px;margin:0 auto;width:100%}.back-link{display:inline-flex;align-items:center;margin-bottom:2rem;color:var(--text-secondary);text-decoration:none;font-weight:500;transition:color .2s}.back-link:hover{color:var(--primary-color)}.course-title{font-size:2.5rem;color:var(--primary-color);margin-bottom:.5rem;font-weight:700}.professor-name{font-size:1.25rem;color:var(--text-secondary);margin-bottom:1.5rem;font-weight:500}.course-description{color:var(--text-primary);margin-bottom:3rem;line-height:1.7;font-size:1.1rem;max-width:800px}.tabs{display:flex;border-bottom:2px solid #e2e8f0;margin-bottom:2rem;gap:2rem}.tab-btn{padding:1rem .5rem;background:none;border:none;font-size:1.1rem;cursor:pointer;color:var(--text-secondary);border-bottom:3px solid transparent;margin-bottom:-3px;transition:all .3s;font-weight:500}.tab-btn:hover{color:var(--primary-color)}.tab-btn.active{color:var(--primary-color);border-bottom-color:var(--secondary-color);font-weight:600}.tab-content{background:#fff;padding:2rem;border-radius:12px;min-height:300px;box-shadow:var(--shadow-sm);border:1px solid #e2e8f0}.resource-item{padding:1rem;background:var(--bg-color);margin-bottom:1rem;border-radius:8px;border:1px solid #e2e8f0;transition:transform .2s}.resource-item:hover{transform:translate(4px);border-color:var(--accent-color)}:root{--primary-color: #0f172a;--secondary-color: #fbbf24;--accent-color: #3b82f6;--bg-color: #f8fafc;--card-bg: #ffffff;--text-primary: #1e293b;--text-secondary: #64748b;--text-light: #f1f5f9;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 2rem;--spacing-xl: 4rem;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .12), 0 1px 2px rgba(0, 0, 0, .24);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--font-family: "Inter", system-ui, -apple-system, sans-serif}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-family);background-color:var(--bg-color);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased}a{text-decoration:none;color:inherit}button{font-family:inherit}