.oiriunu-chat { max-width: 820px; margin: 0 auto; border: 1px solid #e5e7eb; border-radius: 12px; overflow: hidden; }
.oiriunu-chat__header { padding: 14px 16px; font-weight: 600; border-bottom: 1px solid #e5e7eb; }
.oiriunu-chat__messages { height: 520px; overflow-y: auto; padding: 16px; background: #fafafa; }
.msg { padding: 10px 12px; border-radius: 10px; margin: 8px 0; max-width: 85%; white-space: pre-wrap; }
.msg--assistant { background: #ffffff; border: 1px solid #e5e7eb; }
.msg--user { background: #111827; color: #fff; margin-left: auto; }
.oiriunu-chat__form { display: flex; gap: 8px; padding: 12px; border-top: 1px solid #e5e7eb; background: #fff; }
.oiriunu-chat__input { flex: 1; padding: 10px 12px; border: 1px solid #d1d5db; border-radius: 10px; }
.oiriunu-chat__send { padding: 10px 14px; border-radius: 10px; border: 1px solid #111827; background: #111827; color: #fff; cursor: pointer; }
.oiriunu-chat__note { padding: 10px 12px; font-size: 12px; color: #6b7280; border-top: 1px solid #e5e7eb; background: #fff; }