:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}body{margin:0;font-family:Arial,sans-serif;background-color:#f4f6f8}.home-header{display:flex;justify-content:space-between;align-items:center;background-color:#1e293b;color:#fff;padding:15px 30px}.logo{font-size:1.5rem;margin:0}.auth-buttons{display:flex;gap:10px}.btn{background-color:#3b82f6;color:#fff;text-decoration:none;padding:8px 16px;border-radius:5px;font-weight:700;transition:background-color .3s ease}.btn:hover{background-color:#2563eb}.home-container{padding:50px;text-align:center;background-color:#fff;margin:40px auto;border-radius:12px;box-shadow:0 2px 8px #0000001a;max-width:700px}.home-container h2{font-size:2rem;color:#1f2937}.home-container p{font-size:1.1rem;color:#4b5563;margin-top:10px}.dashboard-container{padding:80px 30px 40px;width:100vw;box-sizing:border-box}.dashboard-header{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;margin-bottom:30px;width:100%}.search-input{padding:10px 16px;border:1px solid #ccc;border-radius:8px;width:250px}.books-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:30px;width:100%}.book-card{background-color:#fff;border-radius:10px;padding:16px;box-shadow:0 4px 8px #0000001a;text-align:center;transition:transform .2s ease}.book-card:hover{transform:translateY(-4px)}.book-card img{width:100%;height:240px;object-fit:cover;border-radius:8px;margin-bottom:12px}.borrow-btn{background-color:#007bff;color:#fff;border:none;padding:10px 18px;border-radius:6px;cursor:pointer;font-size:14px;margin-top:10px}.borrow-btn:disabled{background-color:#ccc;cursor:not-allowed}@media (max-width: 768px){.dashboard-header{flex-direction:column;align-items:flex-start;gap:15px}.search-input{width:100%}}.header{position:fixed;top:0;left:0;width:100%;height:60px;background-color:#1e3a8a;color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 24px;box-sizing:border-box;z-index:1000}.title{font-size:20px;font-weight:700}.header-buttons{display:flex;gap:12px}.header-btn{background-color:#fff;color:#1e3a8a;border:none;border-radius:6px;padding:8px 16px;font-weight:600;cursor:pointer;transition:background-color .2s ease-in-out}.header-btn:hover{background-color:#e0e7ff}@media (max-width: 600px){.header{flex-direction:column;align-items:flex-start;height:auto;padding:12px}.header-buttons{margin-top:10px;flex-direction:column;width:100%}.header-btn{width:100%}}.footer{position:fixed;bottom:0;left:0;width:100%;height:20px;background-color:#1e3a8a;color:#fff;text-align:center;padding:12px 20px;font-size:14px;z-index:1000}.profile-container{min-height:100vh;background-color:#f0f4f8;padding:2rem;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;color:#333;position:relative}.dashboard-btn{position:absolute;top:1rem;right:1rem;padding:10px 18px;background-color:#4caf50;color:#fff;font-weight:700;border-radius:8px;text-decoration:none;transition:background-color .3s ease;z-index:1000}.dashboard-btn:hover{background-color:#45a049}.profile-layout{display:flex;flex-wrap:wrap;gap:2rem}.profile-card{background-color:#fff;flex:1;min-width:280px;padding:2rem;border-radius:12px;box-shadow:0 4px 12px #0000001a}.profile-heading{font-size:1.6rem;margin-bottom:1rem;color:#333}.profile-info p{margin:.5rem 0;font-size:1rem}.edit-btn{display:inline-block;margin-top:1rem;padding:8px 14px;background-color:#007bff;color:#fff;text-decoration:none;border-radius:6px;font-weight:700}.edit-btn:hover{background-color:#0056b3}.borrowed-books-card{background-color:#fff;flex:2;min-width:320px;padding:2rem;border-radius:12px;box-shadow:0 4px 12px #0000001a}.book-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:1.5rem;padding:0;list-style:none;margin-top:1rem}.book-card{background-color:#f9f9f9;padding:1rem;border-radius:10px;box-shadow:0 2px 8px #0000000f;text-align:center;display:flex;flex-direction:column;justify-content:space-between}.book-title{font-weight:700;margin-bottom:.5rem}.book-meta{font-size:.9rem;margin-bottom:.5rem;color:#555}.book-cover{width:100%;height:280px;object-fit:cover;border-radius:8px;margin-bottom:.5rem;box-shadow:0 4px 8px #00000014}.return-btn{margin-top:auto;padding:8px 12px;background-color:#dc3545;color:#fff;border:none;border-radius:6px;font-weight:700;cursor:pointer}.return-btn:hover{background-color:#c82333}.no-books{color:#777;font-style:italic;margin-top:1rem}.loader{font-size:1.2rem;text-align:center;color:#555;margin-top:2rem}@media (max-width: 768px){.profile-layout{flex-direction:column}}.add-book-container{max-width:500px;margin:40px auto;padding:30px;background-color:#f8f8f8;border-radius:8px;box-shadow:0 0 12px #0000001a}.add-book-container h2{text-align:center;margin-bottom:20px;font-size:24px}.add-book-form{display:flex;flex-direction:column;gap:15px}.add-book-form input,.add-book-form textarea,.add-book-form select{padding:10px;border:1px solid #ccc;border-radius:4px;font-size:16px}.add-book-form button{padding:12px;background-color:#007bff;color:#fff;font-weight:700;border:none;border-radius:5px;cursor:pointer}.add-book-form button:hover{background-color:#0056b3}