body {
    background-color: #030303;
    color: #555;
    font-family: 'Courier New', Courier, monospace;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    overflow: hidden;
}

.container {
    text-align: center;
    width: 90%;
    max-width: 500px;
}

h1 {
    color: #8b0000; /* Deep, dark red */
    font-size: 1.2rem;
    font-weight: normal;
    margin-bottom: 2.5rem;
    letter-spacing: 1px;
}

#warning-display {
    margin-bottom: 15px;
    font-size: 0.9rem;
    color: #666;
    height: 1.2rem; /* Keeps layout from shifting when text changes */
}

#message-box {
    width: 100%;
    height: 120px;
    background-color: #0a0a0a;
    color: #aaa;
    border: 1px solid #222;
    padding: 15px;
    font-family: 'Courier New', Courier, monospace;
    resize: none;
    outline: none;
    box-sizing: border-box;
    margin-bottom: 15px;
    transition: all 0.3s ease;
}

#message-box:focus {
    border-color: #8b0000;
    box-shadow: 0 0 10px rgba(139, 0, 0, 0.2);
}

#message-box:disabled {
    background-color: #000;
    color: #222;
    border-color: #111;
}

#send-btn {
    background-color: #0a0a0a;
    color: #8b0000;
    border: 1px solid #222;
    padding: 10px 30px;
    cursor: pointer;
    font-family: inherit;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: 0.3s;
}

#send-btn:hover:not(:disabled) {
    background-color: #8b0000;
    color: #000;
    border-color: #8b0000;
}

#send-btn:disabled {
    cursor: not-allowed;
    color: #222;
    border-color: #111;
}