styles1.css

body {
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(120deg, #0f2027, #203a43, #2c5364);
    color: #fff;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

header {
    background: rgba(0, 0, 0, 0.8);
    padding: 20px;
    width: 100%;
    text-align: center;
    box-shadow: 0 0 5px rgba(0, 255, 255, 0.6);
}

header h1 {
    font-size: 2.5em;
    color: #44f865;
    text-shadow: 0 0 4px #44f865, 0 0 20px #44f865, 0 0 30px #44f865;
}

main {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 90%;
    max-width: 700px;
}

#quiz-container {
    background: rgba(0, 0, 0, 0.8);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.5), inset 0 0 10px rgba(0, 255, 255, 0.3);
    width: 100%;
}

h2 {
    font-size: 2em;
    margin-bottom: 20px;
    color: #44f865;
    text-align: center;
    text-shadow: 0 0 10px #44f865, 0 0 20px #44f865;
}

.question-container {
    margin-bottom: 20px;
}

.question-text {
    font-size: 1.2em;
    margin-bottom: 10px;
    color: #44f865;
    text-shadow: 0 0 5px #44f865;
}

.options-list {
    list-style: none;
    padding: 0;
}

.options-list li {
    margin-bottom: 10px;
}

.options-list input[type="radio"] {
    appearance: none;
    background-color: #fff;
    margin: 0;
    font: inherit;
    color: #44f865;
    width: 1.5em;
    height: 1.5em;
    border-radius: 50%;
    display: grid;
    place-content: center;
    border: 2px solid #44f865;
    box-shadow: 0 0 10px #44f865;
    transition: background 0.3s, box-shadow 0.3s;
}

.options-list input[type="radio"]::before {
    content: "";
    width: 0.75em;
    height: 0.75em;
    border-radius: 50%;
    transform: scale(0);
    box-shadow: inset 1em 1em #44f865;
    transition: transform 0.3s ease-in-out;
}

.options-list input[type="radio"]:checked::before {
    transform: scale(1);
}

#submit-btn {
    background: linear-gradient(45deg, #37f456, #54f945);
    color: #fff;
    padding: 15px 30px;
    border: none;
    border-radius: 25px;
    font-size: 1.5em;
    cursor: pointer;
    margin-top: 20px;
    transition: background 0.3s, box-shadow 0.3s;
    box-shadow: 0 0 15px rgba(110, 245, 105, 0.6), inset 0 0 5px rgba(7, 142, 56, 0.3);
}

#submit-btn:hover {
    background: linear-gradient(45deg, #00bfa6, #00ffcc);
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.8), inset 0 0 10px rgba(0, 255, 255, 0.4);
}

#result-text {
    margin-top: 20px;
    font-size: 1.5em;
    text-align: center;
    color: #4dcb62;
    text-shadow: 0 0 10px #2d9d58;
}

#result-text::before {
    content: "";
    display: block;
    height: 2px;
    width: 50%;
    margin: 10px auto;
    background: linear-gradient(90deg, #44f865, #44f865);
    box-shadow: 0 0 10px #44f865;
}