main.svelte-2xiepv{padding:20px;max-width:600px;margin:0 auto;font-family:Arial,sans-serif}h1.svelte-2xiepv{color:#2c3e50;text-align:center}.error.svelte-2xiepv{color:#e74c3c;text-align:center;margin-bottom:10px}.input-area.svelte-2xiepv{display:flex;gap:10px;margin-bottom:20px}select.svelte-2xiepv,input.svelte-2xiepv,button.svelte-2xiepv{padding:8px;font-size:16px;border:1px solid #ccc;border-radius:4px}input.svelte-2xiepv{flex:1}button.svelte-2xiepv{background-color:#3498db;color:#fff;border:none;cursor:pointer;transition:background-color .3s}button.svelte-2xiepv:hover{background-color:#2980b9}.message-list.svelte-2xiepv{background-color:#f9f9f9;padding:15px;border-radius:8px;box-shadow:0 2px 4px #0000001a}.message.svelte-2xiepv{padding:10px;border-bottom:1px solid #eee}.message.svelte-2xiepv:last-child{border-bottom:none}.tone.svelte-2xiepv{font-weight:700;color:#7f8c8d;margin-right:5px}.content.svelte-2xiepv{color:#2c3e50}