body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: #f4f7f6;
    color: #333;
    display: grid;
    place-items: center;
    min-height: 100vh;
    margin: 0;
}
.container {
    background-color: #ffffff;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    padding: 2rem 3rem;
    max-width: 500px;
    width: 100%;
    text-align: center;
}
h1 {
    color: #2a2a2a;
    margin-top: 0;
}
p {
    line-height: 1.6;
}
input[type="email"] {
    width: calc(100% - 24px);
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
    margin-bottom: 1rem;
}
button {
    background-color: #007bff;
    color: white;
    border: none;
    padding: 12px 20px;
    font-size: 1rem;
    font-weight: bold;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.2s;
    width: 100%;
}
button:hover {
    background-color: #0056b3;
}
button:disabled {
    background-color: #aaa;
    cursor: not-allowed;
}
#stop-button {
    background-color: #dc3545;
    margin-top: 1rem;
}
#stop-button:hover {
    background-color: #a71d2a;
}
.code-box {
    background-color: #e9ecef;
    border: 2px dashed #007bff;
    padding: 1rem;
    font-size: 1.5rem;
    font-weight: bold;
    color: #0056b3;
    margin: 1rem 0;
    border-radius: 4px;
}
.code-check {
    margin-top: 2rem;
    font-size: 0.9rem;
}
.code-check a {
    color: #007bff;
    text-decoration: none;
}
.code-check a:hover {
    text-decoration: underline;
}

/* Spinner animatsioon */
.spinner {
    border: 8px solid #f3f3f3;
    border-top: 8px solid #007bff;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

#visual-display {
    font-size: 2rem;
    font-weight: bold;
    color: #ccc;
    height: 50px;
    line-height: 50px;
    overflow: hidden;
}

/* Koodide kontrolli leht */
#check-results .code-item {
    background-color: #f9f9f9;
    border: 1px solid #eee;
    padding: 15px;
    margin-bottom: 10px;
    border-radius: 4px;
    text-align: left;
}
#check-results .code-item strong {
    font-size: 1.2rem;
    color: #0056b3;
}