body {
    user-select: none;
    -webkit-user-select: none;
    -ms-user-select: none;
}

body {
    font-family: 'Vazirmatn', sans-serif;
    background: linear-gradient(135deg, #f8fbfd, #e8eef2);
    color: #333;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 600px;
    margin: 50px auto;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
    padding: 30px;
    text-align: center;
}

h1,
h2 {
    color: #2c5f7c;
}

#timer {
    font-weight: bold;
    margin-bottom: 20px;
    color: #3e7ea8;
}

/* رادیو باتن سفارشی */
.options input[type="radio"] {
    appearance: none;
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border: 2px solid #8aa9ba;
    border-radius: 50%;
    outline: none;
    cursor: pointer;
    margin-right: 8px;
    position: relative;
    vertical-align: middle;
    transition: all 0.2s ease;
}

.options input[type="radio"]:hover {
    border-color: #3e7ea8;
}

.options input[type="radio"]:checked {
    border-color: #3e7ea8;
    background: radial-gradient(circle, #3e7ea8 40%, transparent 50%);
}

.options label {
    display: flex;
    align-items: center;
    padding: 10px;
    margin-bottom: 8px;
    border: 1px solid #ccc;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.options label:hover {
    background: #f1f7fa;
    border-color: #8aa9ba;
}

button {
    padding: 10px 20px;
    background: #3e7ea8;
    color: #fff;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    margin: 10px 5px;
    transition: background 0.2s;
}

button:hover {
    background: #2c5f7c;
}

#resultCard {
    background: #fff;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
    text-align: center;
}

#level {
    font-size: 2.5rem;
    font-weight: bold;
    color: #2c5f7c;
}