@import url('https://fonts.googleapis.com/css2?family=Jua&family=Noto+Sans+KR:wght@400;500;700&display=swap');

:root {
    --color-primary: #0d6efd; /* A professional blue */
    --color-primary-dark: #0a58ca;
    --color-light-gray: #f8f9fa;
    --color-text: #212529;
    --color-white: #ffffff;
    --border-radius: 8px;
}

body {
    font-family: 'Noto Sans KR', sans-serif;
    background-color: var(--color-light-gray);
    color: var(--color-text);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 2rem;
}

.app-container {
    background: var(--color-white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    width: 90%;
    max-width: 800px;
    text-align: center;
}

h1 {
    font-family: 'Jua', sans-serif;
    color: var(--color-text);
    font-size: 2.5em;
    margin-bottom: 30px;
}

h2 {
    font-family: 'Noto Sans KR', sans-serif;
    font-weight: 700;
    color: var(--color-text);
    font-size: 1.3em;
    margin-bottom: 20px;
    text-align: left;
    border-bottom: 1px solid #eee;
    padding-bottom: 10px;
}

.selection-container {
    margin-bottom: 40px;
}

.options-group, .options-group-checkbox {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: flex-start;
}

.options-group label, .options-group-checkbox label {
    background: var(--color-white);
    border: 1px solid #dee2e6;
    padding: 12px 20px;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.2s ease-in-out;
    font-size: 1em;
    font-weight: 500;
}

.options-group label:hover, .options-group-checkbox label:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    border-color: var(--color-primary);
}

.options-group input[type="radio"], .options-group-checkbox input[type="checkbox"] {
    display: none;
}

/* --- UNIFIED & HIGH-CONTRAST SELECTION --- */
.options-group label:has(input[type="radio"]:checked),
.options-group-checkbox label:has(input[type="checkbox"]:checked) {
    background-color: var(--color-primary);
    color: var(--color-white);
    border: 3px solid var(--color-primary-dark); /* Make border thicker and darker */
    font-weight: 700;
    box-shadow: 0 6px 12px rgba(13, 110, 253, 0.25);
}

#recommend-button {
    font-family: 'Noto Sans KR', sans-serif;
    font-weight: 700;
    background-color: var(--color-primary);
    color: var(--color-white);
    border: none;
    padding: 16px 40px;
    border-radius: 50px;
    font-size: 1.2em;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 10px;
    box-shadow: 0 10px 20px rgba(13, 110, 253, 0.2);
}

#recommend-button:hover {
    transform: translateY(-3px);
    background-color: var(--color-primary-dark);
    box-shadow: 0 12px 25px rgba(13, 110, 253, 0.3);
}

#result-container {
    margin-top: 40px;
    padding: 30px;
    background-color: var(--color-light-gray);
    border-radius: var(--border-radius);
    min-height: 120px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

#result-container h2 {
    border: none;
    padding-bottom: 0;
    font-size: 1.1em;
    font-weight: 500;
    color: #6c757d;
}

#result-text {
    font-family: 'Jua', sans-serif;
    font-size: 2.2em;
    font-weight: 500;
    color: var(--color-primary);
    text-align: center;
    margin-top: 10px;
}