* {
    box-sizing: border-box;
    font-family: 'Segoe UI', system-ui, sans-serif;
}

body {
    background-color: #f0f2f5;
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.container {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 500px;
}

h1 { color: #1c1e21; text-align: center; }

.input-group { margin-bottom: 15px; }

label { display: block; margin-bottom: 5px; font-weight: bold; }

input, textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
}

button {
    width: 100%;
    padding: 12px;
    background-color: #0866ff;
    color: white;
    border: none;
    border-radius: 5px;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.3s;
}

button:hover { background-color: #0055d4; }

hr { margin: 30px 0; border: 0; border-top: 1px solid #eee; }

.post-card {
    background: #f9f9f9;
    padding: 15px;
    border-radius: 8px;
    border-left: 5px solid #0866ff;
}

#titulo-renderizar { margin-top: 0; color: #0866ff; }