:root{--fnm-green: #006a44;--fnm-green-dark: #004c30;--fnm-green-light: #e6f1ec;--fnm-accent: #f5b400;--bg: #f4f6f8;--surface: #ffffff;--text: #1f2937;--text-muted: #6b7280;--border: #e5e7eb;--bubble-user: #fff7d9;--bubble-user-border: var(--fnm-accent);--bubble-ai: #ffffff;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .06);--shadow-md: 0 4px 12px rgba(0, 0, 0, .08)}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background-color:var(--bg);color:var(--text);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased}.app{display:flex;flex-direction:column;height:100%;max-width:880px;margin:0 auto;background-color:var(--surface);box-shadow:var(--shadow-md)}.app__header{background:linear-gradient(135deg,var(--fnm-green) 0%,var(--fnm-green-dark) 100%);color:#fff;padding:18px 24px;flex-shrink:0}.app__brand{display:flex;align-items:center;gap:14px}.app__brand-mark{width:36px;height:36px;border-radius:8px;background:var(--fnm-accent);display:inline-block;position:relative}.app__brand-mark:after{content:"";position:absolute;top:8px;right:8px;bottom:8px;left:8px;border-radius:4px;background:var(--fnm-green-dark)}.app__brand-org{margin:0;font-size:12px;letter-spacing:.08em;text-transform:uppercase;opacity:.85}.app__brand-title{margin:2px 0 0;font-size:20px;font-weight:600}.app__main{flex:1;display:flex;flex-direction:column;min-height:0}.app__footer{padding:10px 24px;font-size:12px;color:var(--text-muted);border-top:1px solid var(--border);text-align:center}.app__footer a{color:var(--fnm-green);text-decoration:none}.app__footer a:hover{text-decoration:underline}.chat{display:flex;flex-direction:column;flex:1;min-height:0}.chat__messages{flex:1;overflow:hidden;display:flex;flex-direction:column;min-height:0}.chat__reset{align-self:center;margin:0 0 12px;background:none;border:none;color:var(--text-muted);font-size:13px;cursor:pointer;padding:4px 8px}.chat__reset:hover:not(:disabled){color:var(--fnm-green);text-decoration:underline}.chat__reset:disabled{opacity:.5;cursor:not-allowed}.msg-list{flex:1;overflow-y:auto;padding:18px 20px;scroll-behavior:smooth}.msg-list__row+.msg-list__row{margin-top:12px}.msg{display:flex}.msg--question{justify-content:flex-end}.msg--answer{justify-content:flex-start}.msg__bubble{padding:12px 16px;border-radius:14px;max-width:85%;white-space:pre-wrap;word-wrap:break-word;box-shadow:var(--shadow-sm)}.msg__bubble--question{background-color:var(--bubble-user);border:2px solid var(--bubble-user-border);border-bottom-right-radius:4px}.msg__bubble--answer{background-color:var(--bubble-ai);border:1px solid var(--border);border-bottom-left-radius:4px}.msg__bubble--thinking{font-style:italic;color:var(--text-muted)}.msg__bubble p{margin:0}.msg__bubble p+p{margin-top:8px}.msg__stopped{margin-top:8px;font-size:13px;font-style:italic;color:var(--text-muted)}.msg-link{color:var(--fnm-green);text-decoration:underline;word-break:break-word}.msg-link:hover{color:var(--fnm-green-dark)}.empty{flex:1;overflow-y:auto;padding:32px 24px;display:flex;flex-direction:column;justify-content:center;text-align:center;background-color:var(--fnm-green-light)}.empty__title{margin:0 0 12px;font-size:18px;font-weight:600;color:var(--fnm-green-dark)}.empty__text{margin:0 0 20px;color:var(--text);max-width:540px;align-self:center}.empty__hints{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px;align-self:center;max-width:540px}.empty__hints li{background-color:#ffffffe6;border:1px solid var(--border);padding:10px 14px;border-radius:10px;font-size:14px;color:var(--text)}.composer{display:flex;flex-direction:column;gap:8px;padding:12px 16px 16px;border-top:1px solid var(--border);background-color:var(--surface);flex-shrink:0}.composer__input{width:100%;resize:vertical;min-height:48px;max-height:160px;padding:10px 12px;border:1px solid var(--border);border-radius:10px;font-family:inherit;font-size:15px;line-height:1.4;outline:none;transition:border-color .12s ease}.composer__input:focus{border-color:var(--fnm-green)}.composer__input:disabled{background-color:#f9fafb;cursor:not-allowed}.composer__right{display:flex;align-items:center;justify-content:space-between;gap:12px}.composer__counter{font-size:12px;color:var(--text-muted)}.composer__btn{border:none;border-radius:999px;padding:8px 18px;font-size:14px;font-weight:600;cursor:pointer;transition:background-color .12s ease,opacity .12s ease}.composer__btn--send{background-color:var(--fnm-green);color:#fff}.composer__btn--send:hover:not(:disabled){background-color:var(--fnm-green-dark)}.composer__btn--send:disabled{opacity:.5;cursor:not-allowed}.composer__btn--stop{background-color:#dc2626;color:#fff}.composer__btn--stop:hover{background-color:#b91c1c}@media (max-width: 640px){.app{box-shadow:none}.app__header{padding:14px 16px}.msg-list{padding:14px 12px}.msg__bubble{max-width:92%}}