:root {
    --bg: #f4f6f8;
    --white: #ffffff;
    --primary: #0066cc;
    --text: #333;
    --green: #27ae60;
    --yellow: #f39c12;
    --orange: #e67e22;
    --red: #c0392b;
}

body {
    font-family: 'Segoe UI', sans-serif;
    background-color: var(--bg);
    color: var(--text);
    margin: 0;
    padding: 2rem;
}

.site-logo {
    width: 50px;
    height: 50px;
    margin: 0 auto;
}

.container {
    display: flex;
    justify-content: center;
    align-items: center;
}

.card {
    background-color: var(--white);
    border-radius: 1.5rem;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
    padding: 2rem;
    max-width: 550px;
    width: 100%;
}

h1 {
    margin-bottom: 1rem;
    color: var(--primary);
}

p {
    margin: 1rem 0;
    font-size: 1.05rem;
    line-height: 1.5;
}

input[type="number"] {
    font-size: 1rem;
    padding: 0.4rem 0.8rem;
    border: 1px solid #ccc;
    border-radius: 0.5rem;
    width: 120px;
    margin-left: 0.5rem;
}

.status {
    font-size: 1.3rem;
    font-weight: bold;
    margin-top: 1.5rem;
    padding: 0.6rem 1rem;
    border-radius: 1rem;
    display: inline-block;
}

.red {
    background-color: var(--red);
    color: white;
}

.orange {
    background-color: var(--orange);
    color: white;
}

.yellow {
    background-color: var(--yellow);
    color: white;
}

.green {
    background-color: var(--green);
    color: white;
}