:root{--bg: #0a0a0a;--panel: #161616;--panel-2: #1c1c1c;--border: #262626;--border-2: #333333;--text: #e8e8e8;--muted: #9a9a9a;--accent: #d4a574;--accent-strong: #e6b888;--user-bubble: #2a2a2a;--assistant-bubble: #1a1a1a;--error: #d4564f;--footer-radius: 16px;--tap: 44px;--safe-bottom: env(safe-area-inset-bottom, 0px);--safe-top: env(safe-area-inset-top, 0px)}*{box-sizing:border-box}html,body,#root{margin:0;padding:0;height:100%;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Inter,Segoe UI,sans-serif;font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased;overscroll-behavior:none}body{overflow:hidden}button{font-family:inherit;cursor:pointer;-webkit-tap-highlight-color:transparent}button:disabled{cursor:not-allowed}input,textarea{font-family:inherit;color:inherit}.login{display:flex;align-items:center;justify-content:center;min-height:100vh;min-height:100dvh;padding:24px;padding-top:max(24px,var(--safe-top));padding-bottom:max(24px,var(--safe-bottom))}.login-card{background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:40px 28px;max-width:380px;width:100%;text-align:center}.login-card h1{margin:0 0 4px;font-size:32px;font-weight:600;letter-spacing:-.02em}.subtitle{margin:0 0 28px;color:var(--muted);font-size:14px}.hint{margin:0 0 20px;color:var(--muted);font-size:14px}.google-btn-host{display:flex;justify-content:center}.error{color:var(--error);font-size:13px;margin-top:16px}.chat-app{display:flex;flex-direction:column;height:100vh;height:100dvh;max-width:800px;margin:0 auto;position:relative}header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;padding-top:calc(12px + var(--safe-top));border-bottom:1px solid var(--border);background:var(--bg);position:relative;z-index:5}.brand{font-weight:600;font-size:18px;letter-spacing:-.01em}.right{display:flex;align-items:center;gap:10px}.email{font-size:13px;color:var(--muted);max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}button.ghost{background:transparent;border:1px solid var(--border);color:var(--muted);padding:7px 12px;border-radius:8px;font-size:13px;min-height:36px}button.ghost:hover:not(:disabled){color:var(--text);border-color:var(--text)}.menu-btn{width:40px;padding:0;font-size:22px;line-height:1}.mobile-menu{position:absolute;top:100%;right:12px;margin-top:6px;background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:8px;display:flex;flex-direction:column;gap:4px;min-width:200px;box-shadow:0 8px 24px #00000080;z-index:10}.mobile-menu-email{padding:6px 10px;color:var(--muted);font-size:12px;border-bottom:1px solid var(--border);margin-bottom:4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mobile-menu button{background:transparent;border:none;color:var(--text);text-align:left;padding:10px 12px;border-radius:8px;font-size:14px;min-height:var(--tap)}.mobile-menu button:hover{background:var(--panel-2)}.desktop-only{display:inline-flex}.mobile-only{display:none}main{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;padding:20px 16px;display:flex;flex-direction:column;gap:10px}.welcome{margin:auto;text-align:center;color:var(--muted);max-width:400px;padding:0 16px}.welcome p:first-child{color:var(--text);font-size:20px;margin-bottom:12px}.msg{display:flex;width:100%}.msg-user{justify-content:flex-end}.msg-assistant{justify-content:flex-start}.msg-bubble{max-width:78%;padding:11px 15px;border-radius:16px;white-space:pre-wrap;word-wrap:break-word;overflow-wrap:anywhere;font-size:15px;line-height:1.5}.msg-user .msg-bubble{background:var(--user-bubble);border-bottom-right-radius:4px}.msg-assistant .msg-bubble{background:var(--assistant-bubble);border:1px solid var(--border);border-bottom-left-radius:4px}.msg-bubble.typing{color:var(--muted);font-size:20px;letter-spacing:4px}.error-banner{color:var(--error);background:#d4564f1a;border:1px solid var(--error);padding:10px 14px;border-radius:10px;font-size:13px;text-align:center}footer{border-top:1px solid var(--border);background:var(--bg);padding:10px 12px;padding-bottom:calc(10px + var(--safe-bottom))}.attachments-row{display:flex;flex-wrap:wrap;gap:6px;padding:4px 4px 8px}.attachment-chip{display:inline-flex;align-items:center;gap:6px;background:var(--panel-2);border:1px solid var(--border-2);border-radius:999px;padding:5px 6px 5px 10px;font-size:12px;color:var(--text);max-width:220px}.chip-icon{font-size:14px}.chip-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:110px}.chip-size{color:var(--muted);font-size:11px}.chip-remove{background:transparent;border:none;color:var(--muted);font-size:18px;line-height:1;width:22px;height:22px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;padding:0}.chip-remove:hover:not(:disabled){color:var(--text);background:#ffffff0f}.composer{display:flex;align-items:flex-end;gap:6px;background:var(--panel);border:1px solid var(--border);border-radius:var(--footer-radius);padding:6px}.composer:focus-within{border-color:var(--accent)}.icon-btn{background:transparent;border:none;color:var(--text);width:var(--tap);height:var(--tap);border-radius:12px;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;padding:0;transition:background .12s ease,color .12s ease}.icon-btn:hover:not(:disabled){background:#ffffff0f}.icon-btn:disabled{opacity:.35}.icon-btn.attach{color:var(--muted)}.icon-btn.attach:hover:not(:disabled){color:var(--text)}.icon-btn.send{background:var(--accent);color:#0a0a0a}.icon-btn.send:hover:not(:disabled){background:var(--accent-strong)}.icon-btn.send:disabled{background:var(--panel-2);color:var(--muted);opacity:1}.icon-btn.mic{color:var(--muted)}.icon-btn.mic:hover:not(:disabled){color:var(--text)}.icon-btn.mic.recording{background:var(--error);color:#fff;animation:pulse 1.2s infinite}.icon-btn.mic .rec-dot{font-size:16px}@keyframes pulse{0%,to{box-shadow:0 0 #d4564f8c}50%{box-shadow:0 0 0 8px #d4564f00}}.composer textarea{flex:1;background:transparent;border:none;outline:none;color:var(--text);padding:11px 8px;font-size:16px;line-height:1.4;resize:none;max-height:140px;min-height:var(--tap);overflow-y:auto}.composer textarea::placeholder{color:var(--muted)}.composer textarea:disabled{opacity:.5}@media (max-width: 640px){.desktop-only{display:none}.mobile-only{display:inline-flex}header{padding:10px 12px;padding-top:calc(10px + var(--safe-top))}.email{display:none}.brand{font-size:17px}main{padding:14px 10px;gap:8px}.msg-bubble{max-width:86%;font-size:15px}footer{padding:8px;padding-bottom:calc(8px + var(--safe-bottom))}.composer{padding:5px;gap:4px}.icon-btn{width:42px;height:42px}.attachment-chip{max-width:180px}.chip-name{max-width:88px}.welcome p:first-child{font-size:18px}}@media (max-width: 360px){.icon-btn{width:40px;height:40px;border-radius:10px}.composer textarea{padding:10px 4px}}