:root{--bg: #F2F4F0;--white: #FFFFFF;--ink: #1E2A22;--gray: #7C8A7E;--line: #E3E7DF;--green-900: #1F5B2E;--green-700: #2E7D45;--green-100: #E3F0E4;--amber-600: #F0A020;--amber-100: #FDECD1;--red-600: #D64545;--red-100: #FBE4E4;--blue-600: #2E6DA4;--blue-100: #DCEAF6;--radius: 16px}*{box-sizing:border-box}body{margin:0;font-family:Inter,sans-serif;background:var(--bg);color:var(--ink)}#root{max-width:460px;margin:0 auto;min-height:100vh;background:var(--bg);display:flex;flex-direction:column}.masthead{text-align:center;padding:16px 20px 12px;background:var(--white);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}.masthead .brand{font-family:Fraunces,serif;font-weight:700;font-size:21px;color:var(--green-700)}.masthead .tagline{font-size:10px;letter-spacing:.08em;color:var(--gray);text-transform:uppercase;margin-top:2px}.card{margin:0 20px 14px;background:var(--white);border-radius:var(--radius);padding:16px;box-shadow:0 1px 3px #1e2a220f}.avatar{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;color:#fff;font-family:Fraunces,serif;background:var(--green-700);flex-shrink:0}.field-label{font-size:11.5px;font-weight:700;color:var(--gray);text-transform:uppercase;letter-spacing:.04em;display:block;margin-bottom:6px;margin-top:12px}.field{width:100%;border:1px solid var(--line);border-radius:10px;padding:12px;font-family:Inter,sans-serif;font-size:13.5px;outline:none}.primary-btn{width:100%;background:var(--green-700);color:#fff;border:none;padding:14px;border-radius:12px;font-size:14.5px;font-weight:700;cursor:pointer;margin-top:16px}.primary-btn:disabled{opacity:.6;cursor:not-allowed}.error-text{color:var(--red-600);font-size:12.5px;margin-top:8px}.hint-text{font-size:11.5px;color:var(--gray);text-align:center;margin-top:10px;cursor:pointer}.bottomnav{display:flex;background:var(--white);border-top:1px solid var(--line);padding:10px 0 14px;position:sticky;bottom:0;margin-top:auto}.nav-item{flex:1;text-align:center;cursor:pointer;color:#a8b3a5;font-size:10.5px;font-weight:700;background:none;border:none}.nav-item .nav-icon{font-size:19px;display:block;margin-bottom:3px}.nav-item.active{color:var(--green-700)}.bloc-row{margin:0 20px 10px;background:var(--white);border-radius:12px;padding:14px 16px;display:flex;align-items:center;justify-content:space-between;box-shadow:0 1px 3px #1e2a220f;border-left:5px solid var(--green-700)}.btn-join{background:var(--amber-600);color:#fff;border:none;padding:8px 16px;border-radius:20px;font-size:11.5px;font-weight:700;cursor:pointer}.chat-list-item{display:flex;align-items:center;gap:12px;padding:12px 20px;cursor:pointer;border-bottom:1px solid var(--line);background:none;border-left:none;border-right:none;border-top:none;width:100%;text-align:left}.bubble-row{display:flex;margin-bottom:10px}.bubble-row.me{justify-content:flex-end}.bubble{max-width:75%;padding:9px 13px;border-radius:14px;font-size:13.5px;line-height:1.4}.bubble.them{background:var(--white);border-top-left-radius:4px}.bubble.me{background:var(--green-100);border-top-right-radius:4px}.bubble-author{font-size:11px;font-weight:700;color:var(--green-700);margin-bottom:2px}.loading{text-align:center;color:var(--gray);font-size:13px;padding:30px}