.page-container{padding:2rem;max-width:600px;margin:0 auto}.welcome-text{margin:0 0 1rem}.button-group{display:flex;gap:.5rem}:root{--wa-bg-chat: #0b141a;--wa-bg-panel: #111b21;--wa-bg-header: #202c33;--wa-bg-input: #2a3942;--wa-bubble-out: #005c4b;--wa-bubble-in: #202c33;--wa-hover: #202c33;--wa-selected: #2a3942;--wa-accent: #00a884;--wa-text: #e9edef;--wa-text-muted: #8696a0;--wa-border: #222d34}body{margin:0;background:var(--wa-bg-chat);color:var(--wa-text);font-family:Segoe UI,system-ui,-apple-system,sans-serif}