* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    position: relative;
    border: none;
    outline: none;
}

body {
    font-family: 'Inter', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100dvh;
    background-color: #f8f8f8;
    color: #181818;
    text-align: center;
    flex-direction: column;
    padding: 16px;
}

.container {
    padding: 16px;
    border-radius: 8px;
    background-color: #fff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    width: 100%;
    max-width: 540px;
}

h1 {
    font-size: 1.8em;
    margin-bottom: 15px;
    color: #222;
}

p {
    font-size: 1.1em;
    line-height: 1.6;
    margin-bottom: 25px;
}

.spinner {
    border: 4px solid rgba(0, 0, 0, 0.1);
    border-left-color: #007bff;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.error-message {
    color: #dc3545;
    font-weight: bold;
}

.footer-note {
    margin-top: 30px;
    font-size: 0.9em;
    color: #777;
}