:root{--teal: #1f4b43;--ivory: #faf8f4;--charcoal: #2b2a28;--coral: #e8895a;--line: #dad5c8;--muted: #6b6459;--muted-2: #9a9488;--error: #b4442e}*{box-sizing:border-box}body{margin:0;background:var(--ivory);color:var(--charcoal);font-family:system-ui,-apple-system,Apple SD Gothic Neo,sans-serif}.page{min-height:100vh;display:flex;flex-direction:column;align-items:center;padding:32px 16px}.page-inner{width:100%;max-width:480px;display:flex;flex-direction:column;height:calc(100vh - 64px)}.chat-header{margin-bottom:16px}.eyebrow{font-size:13px;letter-spacing:1px;color:var(--teal);font-weight:600;margin-bottom:8px}h1.display{font-family:Georgia,serif;font-size:22px;line-height:1.3;margin:0}.chat-scroll{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:10px;padding-bottom:12px}.bubble{max-width:80%;padding:11px 14px;border-radius:14px;font-size:14px;line-height:1.5;white-space:pre-wrap}.bubble.assistant{align-self:flex-start;background:#fff;border:1px solid var(--line);border-bottom-left-radius:4px}.bubble.user{align-self:flex-end;background:var(--teal);color:#fff;border-bottom-right-radius:4px}.bubble.loading{color:var(--muted-2)}.chat-form{display:flex;gap:8px;border-top:1px solid var(--line);padding-top:12px}.chat-input{flex:1;padding:12px 14px;border-radius:10px;border:1px solid var(--line);font-size:14px;outline:none;font-family:inherit}.chat-send{padding:0 18px;background:var(--teal);color:#fff;border:none;border-radius:10px;font-size:14px;font-weight:600;cursor:pointer}.chat-send:disabled{background:var(--muted-2);cursor:not-allowed}.error-text{color:var(--error);font-size:13px;margin:8px 0 0}