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h2{margin-bottom:25px;font-weight:600;font-size:24px}form input,form select{width:100%;padding:12px;margin:10px 0;background-color:#1a1a1a;border:1px solid #333;color:#fff;border-radius:6px;font-size:15px;box-sizing:border-box}form input::placeholder{color:#999}form select{-webkit-appearance:none;-moz-appearance:none;appearance:none}form button{width:100%;padding:12px;margin-top:10px;background-color:#fff;color:#000;font-size:15px;font-weight:700;border:none;border-radius:6px;cursor:pointer;transition:background-color .3s ease}form button:hover{background-color:#ddd}.login-text{margin-top:20px;font-size:14px;color:#ccc}.login-text a{color:#fff;text-decoration:underline;font-weight:700}.login-text a:hover{color:#aaa}@media (max-width: 500px){.signup-container{padding:30px 20px}.signup-container h2{font-size:20px}}body,html{background:#111;color:#fff;font-family:Segoe 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.2s}.assignment-history li:hover{background:#333;border:1px solid #fff}.assignment-history a{color:#fff;text-decoration:underline;font-weight:500;transition:color .2s}.assignment-history a:hover{color:#bbb}@media (max-width: 900px){.Profile-container{flex-direction:column;gap:1rem;padding:1rem}.left,.right{min-width:unset;width:100%;padding:1rem .5rem}.assignment-history{padding:1rem .5rem}}@media (max-width: 600px){.main-container{padding:1rem .2rem}.Profile-container{padding:.5rem}.assignment-history{padding:.5rem .2rem}}body{margin:0;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background-color:#111;color:#fff}.main-container{padding:20px}.Profile-container{background-color:#008acb;display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:40px;padding:20px;background-color:#1a1a1a;border-radius:12px;box-shadow:0 4px 20px #ffffff1a}.left,.right{width:45%}.image img{width:100px;height:100px;border-radius:50%;object-fit:cover;background-color:#333}.left button{margin-top:15px;padding:8px 16px;background-color:#00bfff;color:#000;border:none;border-radius:8px;cursor:pointer;font-weight:700}#edit-page{margin-top:20px}#edit-page input,#edit-page select{width:100%;padding:10px;margin:10px 0;background-color:#333;border:none;border-radius:8px;color:#fff}#edit-page input[type=submit]{background-color:#00bfff;color:#000;cursor:pointer;font-weight:700}#edit-page input[type=submit]:hover{background-color:#008acb}.right p{margin:10px 0;font-size:1rem}.assignment-list{padding:20px;background-color:#1a1a1a;border-radius:12px;box-shadow:0 4px 20px #ffffff1a}.assignment-list h2{font-size:1.5rem;margin-bottom:20px}.assignment-item{background-color:#222;border-radius:10px;padding:15px;margin-bottom:15px;box-shadow:0 0 10px #ffffff0d}.assignment-item h2,.assignment-item h3{margin:5px 0}.assignment-item p{margin:5px 0;font-size:.95rem}.assignment-item button{margin-top:10px;padding:8px 16px;background-color:#00bfff;border:none;border-radius:6px;font-weight:700;color:#000;cursor:pointer;transition:.3s}.assignment-item button:hover{background-color:#008acb}