* {
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background: #f4f6f9;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 900px;
    margin: 50px auto;
    text-align: center;
}

h1 {
    color: #2c3e50;
    margin-bottom: 5px;
}

.subtitle {
    color: #7f8c8d;
    margin-bottom: 30px;
}

.card {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.08);
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

input, select {
    padding: 12px;
    border-radius: 8px;
    border: 1px solid #ccc;
    font-size: 14px;
}

button {
    background: #4f46e5;
    color: white;
    border: none;
    padding: 14px 25px;
    font-size: 16px;
    border-radius: 8px;
    cursor: pointer;
}

button:hover {
    background: #4338ca;
}

.result .score {
    font-size: 48px;
    font-weight: bold;
    color: #2c3e50;
    margin: 15px 0;
}

.risk {
    padding: 10px;
    border-radius: 8px;
    width: fit-content;
    margin: 0 auto 20px;
}

.low {
    background: #d1fae5;
    color: #065f46;
}

.medium {
    background: #fef3c7;
    color: #92400e;
}

.high {
    background: #fee2e2;
    color: #991b1b;
}

.back {
    text-decoration: none;
    color: #4f46e5;
    font-weight: bold;
}