* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {

    --primary: #b8b5ff;
    --primary-dark: #7c6dff;

    --pink: #ffd6ec;
    --lavender: #ece9ff;
    --sky: #e8f4ff;
    --mint: #dff8ea;

    --text: #5b5877;
    --text-light: #8a88a6;

    --border: #ececf6;

    --card-bg: rgba(255,255,255,.75);

    --shadow:
        0 10px 30px rgba(180,180,220,.15);

    --shadow-hover:
        0 20px 40px rgba(180,180,220,.25);
}

body {

    font-family: "Inter", sans-serif;

    min-height: 100vh;

    padding: 40px;

    color: var(--text);

    background:
        linear-gradient(
            135deg,
            #fef6fb 0%,
            #f5f4ff 30%,
            #edf6ff 70%,
            #f0fff7 100%
        );
}

.container {

    max-width: 1100px;
    margin: 0 auto;
}

.glass {

    background: var(--card-bg);

    backdrop-filter: blur(20px);

    border: 1px solid rgba(255,255,255,.7);

    border-radius: 32px;

    padding: 40px;

    box-shadow: var(--shadow);

    margin-bottom: 30px;
}

.glass h1 {

    font-size: 42px;

    font-weight: 800;

    color: var(--primary-dark);

    margin-bottom: 8px;
}

.glass p {

    color: var(--text-light);

    margin-bottom: 25px;
}

.subject-row {

    display: flex;

    gap: 15px;
}

select {

    flex: 1;

    padding: 16px 20px;

    border-radius: 16px;

    border: 2px solid var(--border);

    background: white;

    color: var(--text);

    font-size: 16px;

    transition: .2s;
}

select:focus {

    outline: none;

    border-color: var(--primary);

    box-shadow:
        0 0 0 5px rgba(184,181,255,.2);
}

button {

    padding: 16px 25px;

    border: none;

    border-radius: 16px;

    background:
        linear-gradient(
            135deg,
            var(--primary),
            #d6c7ff
        );

    color: #4c4588;

    font-weight: 700;

    font-size: 15px;

    cursor: pointer;

    transition: .25s;
}

button:hover {

    transform: translateY(-2px);

    box-shadow:
        0 10px 25px rgba(184,181,255,.35);
}

.progress {

    width: 100%;

    height: 12px;

    background: white;

    border-radius: 999px;

    overflow: hidden;

    margin-bottom: 25px;
}

.progress-bar {

    height: 100%;

    width: 0%;

    background:
        linear-gradient(
            90deg,
            #b8b5ff,
            #cab9ff
        );

    transition: .4s;
}

.question-card {

    background: white;

    border: 1px solid var(--border);

    border-radius: 28px;

    padding: 32px;

    margin-bottom: 25px;

    box-shadow: var(--shadow);

    transition: .25s;
}

.question-card:hover {

    transform: translateY(-2px);

    box-shadow: var(--shadow-hover);
}

.badge {

    display: inline-block;

    padding: 8px 16px;

    border-radius: 999px;

    background: var(--lavender);

    color: var(--primary-dark);

    font-size: 14px;

    font-weight: 700;

    margin-bottom: 20px;
}

.question-title {

    font-size: 26px;

    font-weight: 700;

    color: var(--text);

    margin-bottom: 25px;

    line-height: 1.4;
}

.answer {

    display: flex;

    align-items: center;

    gap: 15px;

    padding: 18px;

    margin-bottom: 12px;

    border-radius: 18px;

    border: 2px solid var(--border);

    background: #fafaff;

    cursor: pointer;

    transition: .2s;
}

.answer:hover {

    border-color: #c9c5ff;

    background: #f4f5ff;
}

.answer input {

    accent-color: var(--primary-dark);

    transform: scale(1.15);
}

.answer:has(input:checked) {

    background: var(--lavender);

    border-color: var(--primary);
}

.answer span {

    font-size: 16px;

    color: var(--text);
}

.text-answer {

    width: 100%;

    padding: 18px;

    border-radius: 18px;

    border: 2px solid var(--border);

    font-size: 16px;

    transition: .2s;
}

.text-answer:focus {

    outline: none;

    border-color: var(--primary);

    box-shadow:
        0 0 0 5px rgba(184,181,255,.2);
}

.quiz-actions {

    display: flex;

    justify-content: flex-end;

    margin-top: 25px;
}

.result {

    margin-top: 40px;

    padding: 40px;

    text-align: center;

    border-radius: 30px;

    background:
        linear-gradient(
            135deg,
            #fff8fc,
            #f4f5ff
        );

    box-shadow: var(--shadow);
}

.score {

    font-size: 72px;

    font-weight: 800;

    color: var(--primary-dark);

    margin-bottom: 10px;
}

.result h2 {

    color: var(--text);

    margin-bottom: 10px;
}

.result p {

    color: var(--text-light);
}

.hidden {

    display: none;
}

@media (max-width: 768px) {

    body {
        padding: 15px;
    }

    .glass {
        padding: 25px;
    }

    .glass h1 {
        font-size: 32px;
    }

    .subject-row {

        flex-direction: column;
    }

    .question-card {

        padding: 22px;
    }

    .question-title {

        font-size: 20px;
    }

    .score {

        font-size: 50px;
    }

}