:root {
    --banner-top: #ae0a22;
    --banner-main: #fff;
    --button-bg: #ae0a22;
}

body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 600px;
    margin: 50px auto;
    background-color: #fff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h1 {
    text-align: center;
}

.textarea-container {
    position: relative;
}

.textarea-container textarea {
    width: 100%;
    height: 150px;
    resize: none;
    border-radius: 5px;
    padding: 10px;
    font-size: 16px;
    border: 1px solid #ccc;
    box-sizing: border-box;
}

.submit-btn {
    background-color: var(--button-bg);
    color: #fff;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    font-size: 16px;
    cursor: pointer;
    margin-top: 10px;
}

button {
    padding: 10px 20px;
    font-size: 16px;
    margin: 5px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

button:disabled {
    background-color: #ccc !important;
    cursor: not-allowed;
}

button i {
    font-size: 18px;
}

#start-btn {
    background-color: var(--button-bg);
    color: white;
    border: none;
}

#stop-btn {
    background-color: var(--button-bg);
    color: white;
    border: none;
}

.top-banner {
    height: 10px;
    background-color: var(--banner-top);
}

.banner {
    padding: 20px;
    background-color: var(--banner-main);
}