* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Inter', sans-serif;
    background: linear-gradient(to bottom right, #1f2937, #111827);
    color: #ffffff;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.admin-container {
    background-color: #1e293b;
    padding: 60px 40px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    text-align: center;
    width: 100%;
    max-width: 500px;
}

.admin-container h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #f9fafb;
}

.admin-container p {
    font-size: 1rem;
    margin-bottom: 40px;
    color: #cbd5e1;
}

.btn-group {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.admin-button {
    padding: 14px 24px;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    background-color: #3b82f6;
    color: white;
    transition: background-color 0.2s ease;
    text-decoration: none;
}

.admin-button:hover {
    background-color: #2563eb;
}

@media (min-width: 480px) {
    .btn-group {
        flex-direction: row;
        justify-content: center;
    }
}