body {
    font-family: sans-serif;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background-color: #222;
    color: #eee;
}

button {
    padding: 10px 20px;
    background-color: #555;
    color: #eee;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

a {
    color: #8af;
}

/* Login page */
textarea {
    width: 100%;
    height: 150px;
    font-family: monospace;
    background-color: #333;
    color: #eee;
    border: 1px solid #444;
}

.box {
    border: 1px solid #444;
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 5px;
    background-color: #333;
}

.challenge {
    background: #444;
    padding: 10px;
    font-family: monospace;
    font-weight: bold;
}

.error {
    color: #ff8888;
    font-weight: bold;
}

/* Contacts page */
#recipientId {
    padding: 10px;
    width: 300px;
    background-color: #333;
    color: #eee;
    border: 1px solid #444;
}

/* Conversation page */
#messages {
    border: 1px solid #444;
    height: 400px;
    overflow-y: scroll;
    padding: 10px;
    margin-bottom: 10px;
    background-color: #333;
}

#input-area {
    display: flex;
    gap: 10px;
}

#messageText {
    flex-grow: 1;
    padding: 10px;
    background-color: #333;
    color: #eee;
    border: 1px solid #444;
}

.system-message {
    color: #aaa;
    font-style: italic;
}

.error-message {
    color: #ff8888;
    font-weight: bold;
}

.safety-number {
    display: inline-block;
    margin: 8px 0 12px;
    padding: 8px 10px;
    border: 1px solid #666;
    border-radius: 4px;
    background: #2a2a2a;
    color: #f2f2f2;
    font-family: monospace;
    font-size: 1.1rem;
    letter-spacing: 0;
    user-select: all;
}

/* No-JavaScript warning. Rendered by default and removed by the page's JS once
   it runs, so it only stays visible when scripts are blocked. */
.js-warning {
    border: 1px solid #a33;
    background-color: #3a1f1f;
    color: #fdd;
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 5px;
}