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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f3f4f6;
}

.card {
    background: #fff;
    padding: 48px 40px;
    border: 2px solid #1f2937;
    border-radius: 4px;
    text-align: center;
    max-width: 420px;
    width: 90%;
}

h1 {
    color: #1f2937;
    font-size: 22px;
    margin-bottom: 8px;
}

p {
    color: #6b7280;
    font-size: 14px;
    margin-bottom: 28px;
}

button {
    background: #fff;
    color: #1f2937;
    border: 2px solid #1f2937;
    padding: 12px 30px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease;
}

button:hover {
    background: #1f2937;
    color: #fff;
}

#count {
    margin-top: 20px;
    font-size: 14px;
    color: #374151;
    min-height: 20px;
}

#count span {
    font-weight: 700;
    color: #1f2937;
}