:root{--bg-primary: #0a0a0f;--bg-secondary: #12121a;--bg-message-user: #1a1a2e;--bg-message-assistant: #16213e;--text-primary: #e0e0e0;--text-secondary: #888;--text-action: #7eb8da;--accent: #4a6fa5;--border: #222}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Georgia,serif;background:var(--bg-primary);color:var(--text-primary);height:100vh;overflow:hidden}#root{height:100vh}.app{display:flex;flex-direction:column;height:100vh;max-width:800px;margin:0 auto}.app-header{padding:1rem;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:baseline}.app-header h1{font-size:1.1rem;font-weight:400;color:var(--text-secondary);letter-spacing:.1em;text-transform:uppercase}.character-name{color:var(--accent);font-style:italic}.chat-window{flex:1;overflow-y:auto;padding:1rem;display:flex;flex-direction:column;gap:1rem}.empty-state{display:flex;align-items:center;justify-content:center;height:100%;color:var(--text-secondary);font-style:italic}.message{max-width:85%;padding:.75rem 1rem;border-radius:8px;line-height:1.6}.message.user{align-self:flex-end;background:var(--bg-message-user)}.message.assistant{align-self:flex-start;background:var(--bg-message-assistant)}.message-author{font-size:.75rem;color:var(--text-secondary);margin-bottom:.25rem;text-transform:uppercase;letter-spacing:.05em}.message-content{white-space:pre-wrap}.message-content .action{color:var(--text-action);font-style:italic}.streaming-indicator{color:var(--text-secondary);font-style:italic;padding:.5rem 1rem}.chat-input{padding:1rem;border-top:1px solid var(--border);display:flex;gap:.5rem;background:var(--bg-secondary)}.chat-input textarea{flex:1;background:var(--bg-primary);border:1px solid var(--border);border-radius:6px;color:var(--text-primary);padding:.75rem;font-family:inherit;font-size:.95rem;resize:none;outline:none}.chat-input textarea:focus{border-color:var(--accent)}.chat-input button{background:var(--accent);color:#fff;border:none;border-radius:6px;padding:.75rem 1.5rem;cursor:pointer;font-family:inherit;font-size:.95rem}.chat-input button:disabled{opacity:.5;cursor:not-allowed}.chat-input button:hover:not(:disabled){filter:brightness(1.1)}