body { font-family: system-ui, sans-serif; background: #f4efe6; color: #1c1914; margin: 0; }
main { max-width: 860px; margin: 0 auto; padding: 2rem; }
form { display: flex; gap: 0.5rem; flex-wrap: wrap; }
input, button { font: inherit; padding: 0.5rem 0.7rem; }
.card { background: #fff; border: 1px solid #e4d9c8; border-radius: 12px; padding: 1rem; margin: 0.6rem 0; }
.msg { white-space: pre-wrap; font-size: 0.9rem; margin: 0.3rem 0; }
.user { color: #5c564c; }