.app{min-height:100vh;display:flex;flex-direction:column}.topbar{display:flex;align-items:center;padding:16px 32px;background:var(--surface-container-lowest);border-bottom:1px solid var(--border)}.brand{margin:0;font-family:var(--font-display);font-size:20px;font-weight:700;color:var(--primary);letter-spacing:-.02em}.index-warning{text-align:center;padding:8px 16px;font-size:13px;background:#ffdad6;color:#93000a}.chat-main{flex:1;overflow-y:auto;padding:32px 24px 24px;display:flex;flex-direction:column;align-items:center}.welcome{max-width:var(--max-chat);width:100%;text-align:center;margin-bottom:24px}.welcome-icon{width:64px;height:64px;margin:0 auto 20px;border-radius:50%;background:var(--mint-icon-bg);color:var(--primary);display:flex;align-items:center;justify-content:center}.welcome-title{margin:0 0 8px;font-family:var(--font-display);font-size:22px;font-weight:700;color:var(--on-surface);line-height:1.35}.welcome-sub{margin:0 0 20px;color:var(--on-surface-variant);font-size:15px}.chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}.chip{font-family:var(--font-body);font-size:14px;padding:10px 18px;border-radius:var(--radius-pill);border:1px solid var(--border);background:var(--surface-container-lowest);color:var(--on-surface);cursor:pointer;transition:border-color .15s,background .15s}.chip:hover:not(:disabled){border-color:var(--primary);background:var(--mint-icon-bg)}.chip:disabled{opacity:.6;cursor:not-allowed}.messages{width:100%;max-width:var(--max-chat);display:flex;flex-direction:column;gap:20px}.message-row{display:flex;width:100%}.message-row.user{justify-content:flex-end}.message-row.assistant{justify-content:flex-start}.bubble-user{max-width:85%;padding:12px 18px;background:var(--primary);color:var(--on-primary);border-radius:16px 16px 4px;font-size:15px;line-height:1.45;box-shadow:var(--shadow-subtle)}.card-assistant{max-width:100%;width:100%;background:var(--surface-container-lowest);border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px 18px 14px 20px;position:relative;box-shadow:var(--shadow-subtle)}.card-assistant:before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;border-radius:var(--radius-sm) 0 0 var(--radius-sm);background:var(--primary)}.card-assistant.variant-warning:before{background:var(--warning-border)}.card-assistant.variant-warning{background:var(--warning-bg)}.card-header-warning{margin-bottom:8px;color:var(--tertiary)}.card-body{margin:0 0 12px;font-size:15px;line-height:1.55}.card-body strong{font-weight:600;color:var(--primary)}.card-footer{border-top:1px solid var(--border);padding-top:10px;margin-top:4px}.card-footer-top{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px;margin-bottom:6px}.source-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);text-decoration:none}.source-link:hover{text-decoration:underline}.card-footer-top .last-updated{font-size:11px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;color:var(--on-surface-variant);opacity:.85;text-align:right;flex-shrink:0}.cta-scheme{display:inline-flex;padding:10px 16px;background:var(--primary);color:var(--on-primary);font-size:14px;font-weight:600;border-radius:var(--radius-sm);text-decoration:none}.card-assistant.loading .card-body{color:var(--on-surface-variant)}.typing-dots:after{content:"";animation:dots 1.2s steps(4,end) infinite}@keyframes dots{0%{content:""}25%{content:"."}50%{content:".."}75%{content:"..."}}.error-banner{width:100%;padding:12px 16px;background:#ffdad6;color:#93000a;border-radius:var(--radius-sm);font-size:14px}.composer{padding:20px 24px 28px;background:var(--surface);border-top:1px solid var(--border);display:flex;justify-content:center}.composer-form{width:100%;max-width:var(--max-chat);display:flex;align-items:center;background:var(--surface-container-lowest);border:1px solid var(--border);border-radius:12px;padding:6px 6px 6px 18px;box-shadow:var(--shadow-subtle)}.composer-form:focus-within{border-color:var(--primary);outline:2px solid rgba(0,108,79,.15)}.composer-form input{flex:1;border:none;background:transparent;font-family:var(--font-body);font-size:15px;padding:10px 0;color:var(--on-surface)}.composer-form input:focus{outline:none}.composer-form input::placeholder{color:var(--on-surface-variant);opacity:.7}.send-btn{flex-shrink:0;width:44px;height:44px;border:none;border-radius:var(--radius-sm);background:var(--primary);color:var(--on-primary);cursor:pointer;display:flex;align-items:center;justify-content:center}.send-btn:hover:not(:disabled){filter:brightness(1.08)}.send-btn:disabled{opacity:.5;cursor:not-allowed}:root{--primary: #006c4f;--on-primary: #ffffff;--surface: #f9fafb;--surface-container-lowest: #ffffff;--on-surface: #191c1d;--on-surface-variant: #3c4a43;--outline-variant: #bacac1;--tertiary: #7c5800;--warning-border: #f59e0b;--warning-bg: #fff8e6;--mint-icon-bg: #e6f4f1;--border: #e1e3e4;--shadow-subtle: 0 1px 2px rgba(25, 28, 29, .06);--font-display: "DM Sans", system-ui, sans-serif;--font-body: "Inter", system-ui, sans-serif;--max-chat: 720px;--radius-sm: 8px;--radius-pill: 9999px}*,*:before,*:after{box-sizing:border-box}body{margin:0;min-height:100vh;font-family:var(--font-body);font-size:16px;line-height:1.5;color:var(--on-surface);background:var(--surface)}#root{min-height:100vh}