/* --- Global --- */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: #f5f8fa;
    margin: 0;
    padding: 0;
}

/* --- Container --- */
.container {
    max-width: 600px;
    margin: 40px auto;
    background: white;
    border: 1px solid #e1e8ed;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 6px rgba(0,0,0,0.05);
    padding: 20px;
}

/* --- Header --- */
h2 {
    margin-top: 0;
    color: #1da1f2;
    font-size: 28px;
    text-align: center;
}

/* --- Tweet Form --- */
textarea {
    width: 100%;
    border: 1px solid #ccd6dd;
    border-radius: 8px;
    padding: 10px;
    font-size: 16px;
    resize: vertical;
    background: #f7f9fa;
}

button {
    background: #1da1f2;
    color: white;
    border: none;
    padding: 10px 18px;
    margin-top: 10px;
    border-radius: 999px;
    cursor: pointer;
    font-size: 16px;
    font-weight: bold;
    transition: background 0.2s;
}

button:hover {
    background: #0d8ddb;
}

/* --- Tweet List --- */
h3 {
    border-bottom: 1px solid #e1e8ed;
    padding-bottom: 6px;
    margin-top: 30px;
}

.tweet {
    padding: 12px 0;
    border-bottom: 1px solid #e1e8ed;
}

.tweet p {
    margin: 0 0 5px 0;
    font-size: 16px;
}

.tweet small {
    color: #657786;
    font-size: 13px;
}

/* Remove last border */
.tweet:last-child {
    border-bottom: none;
}