:root{--font-sans: "Geist", system-ui, -apple-system, "Segoe UI", Roboto, Ubuntu, Cantarell, "Noto Sans", Arial, "Apple Color Emoji", "Segoe UI Emoji";--bg: #0b0b10;--card: #12121a;--muted: #ffffffcc;--accent: #007337;--border: #1f2330;--txt: #ffffff;--shadow: 0 8px 24px rgba(0,0,0,.35);--glow: 0 0 0 4px rgba(0,115,55,.35);--sa-top: env(safe-area-inset-top, 0px);--sa-bottom: env(safe-area-inset-bottom, 0px);--appbar-h: 56px;--composer-h: 64px}*{box-sizing:border-box;touch-action:manipulation}html,body,#root{height:100%;margin:0}html{text-size-adjust:100%;-webkit-text-size-adjust:100%}body{background:var(--bg);color:var(--txt);font-family:var(--font-sans);font-optical-sizing:auto;font-size:clamp(16px,1.6vw + 14px,18px);line-height:1.55;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;color-scheme:dark}.geist-brand,.geist-100,.geist-200,.geist-300,.geist-400,.geist-500,.geist-600,.geist-700,.geist-800,.geist-900{font-family:Geist,sans-serif;font-optical-sizing:auto}.geist-100{font-weight:100}.geist-200{font-weight:200}.geist-300{font-weight:300}.geist-400{font-weight:400}.geist-500{font-weight:500}.geist-600{font-weight:600}.geist-700{font-weight:700}.geist-800{font-weight:800}.geist-900{font-weight:900}.geist-italic{font-style:italic}a{color:var(--accent);text-decoration:none}a:hover{opacity:.9}.page{min-height:100dvh;display:flex;flex-direction:column}.header{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;padding:calc(10px + var(--sa-top)) 16px 10px;min-height:calc(var(--appbar-h) + var(--sa-top));border-bottom:1px solid var(--border);background:linear-gradient(180deg,rgba(18,18,26,.95),rgba(18,18,26,.6) 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var(--border);box-shadow:none}.btn-ghost{background:transparent;color:var(--muted);border:1px solid var(--border)}.btn-block{width:100%}.chat{max-width:860px;width:100%;margin:0 auto;padding:12px 14px 0;flex:1;display:flex;flex-direction:column;min-height:0}.messages{display:flex;flex-direction:column;gap:14px;padding:10px 0;overflow:auto;overscroll-behavior:contain;scroll-behavior:smooth;padding-bottom:calc(var(--composer-h) + var(--sa-bottom) + 18px)}.messages::-webkit-scrollbar{height:10px;width:10px}.messages::-webkit-scrollbar-thumb{background:#1b1b24;border:2px solid transparent;border-radius:8px;background-clip:padding-box}.messages::-webkit-scrollbar-thumb:hover{background:#242433}.messages::-webkit-scrollbar-track{background:transparent}@supports (scrollbar-color:auto){.messages{scrollbar-color:#242433 transparent;scrollbar-width:thin}}.bubble{background:var(--card);border:1px solid var(--border);padding:14px 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ease-in-out both}.typing-dots .dot:nth-child(2){animation-delay:.2s}.typing-dots .dot:nth-child(3){animation-delay:.4s}@keyframes blink{0%,80%,to{opacity:.3;transform:translateY(0)}40%{opacity:1;transform:translateY(-2px)}}.composer{position:sticky;bottom:0;z-index:20;margin-top:auto;display:grid;grid-template-columns:1fr auto;gap:10px;padding:10px 14px calc(10px + var(--sa-bottom));border-top:1px solid var(--border);background:linear-gradient(180deg,#0b0b1000,#0b0b10eb);backdrop-filter:saturate(120%) blur(6px);-webkit-backdrop-filter:saturate(120%) blur(6px)}.composer input{flex:1;background:var(--card);border:1px solid var(--border);color:var(--txt);height:48px;min-height:48px;padding:0 14px;border-radius:12px;outline:none;font-size:17px!important;line-height:1.4;transition:border-color .15s ease,box-shadow .15s ease;touch-action:manipulation;-moz-appearance:none;appearance:none;-webkit-appearance:none}.composer input::placeholder{color:#7b8391}.composer input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #0073372e}.composer .btn{height:48px;padding:0 18px;font-size:16.5px!important}.hints{display:flex;gap:10px;flex-wrap:nowrap;overflow-x:auto;padding:10px 14px 12px}.hint{font-size:14px;color:var(--muted);border:1px dashed var(--border);padding:8px 12px;border-radius:999px;cursor:pointer;white-space:nowrap;transition:border-color .15s ease,color .15s ease,background .15s ease;background:var(--card)}.hint:hover{border-style:solid;color:var(--accent);background:#111218}.footer{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;padding:18px 14px calc(14px + var(--sa-bottom));border-top:1px solid var(--border);color:var(--muted);font-size:14px;background:#0c0c12}.footer a{color:var(--muted);text-decoration:none}.footer 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0}.bubble{max-width:96%}.logo{width:32px;height:32px}}@media (min-width: 768px){.chat,.composer,.footer{max-width:860px;margin:0 auto}}@media (max-width: 480px){:root{--appbar-h: 68px;--composer-h: 76px}html,body{font-size:clamp(17px,2.2vw + 14px,19px);line-height:1.6}.header{padding:calc(12px + var(--sa-top)) 16px 12px}.logo{width:34px;height:34px}.chat{padding:12px 14px 0;max-width:680px}.messages{gap:16px;padding-bottom:calc(var(--composer-h) + var(--sa-bottom) + 20px)}.bubble{max-width:96%;padding:16px 18px;border-radius:16px;font-size:17px!important;line-height:1.65}.bubble .role{font-size:14.5px;margin-bottom:6px}.btn{min-height:48px;padding:12px 18px;font-size:17px!important;border-radius:12px;font-weight:700}.cta-buttons{gap:12px}.composer{grid-template-columns:1fr auto;gap:12px;padding:12px 14px calc(12px + var(--sa-bottom))}.composer input{height:52px;min-height:52px;padding:0 16px;border-radius:14px;font-size:18px!important;line-height:1.45}.composer .btn{height:52px;padding:0 20px;font-size:17px!important;border-radius:14px}.hints{gap:10px;padding:10px 14px 12px}.hint{font-size:14.5px;padding:8px 12px;border-radius:999px}.footer{font-size:14.5px;padding:18px 14px calc(14px + var(--sa-bottom))}}@supports (-webkit-touch-callout: none){input,select,textarea,button{font-size:18px!important;min-height:48px}}@media (max-width: 640px){.header{justify-content:flex-end;gap:8px;padding:calc(8px + var(--sa-top)) 12px 8px;min-height:auto;border-bottom:0;background:transparent;backdrop-filter:none;-webkit-backdrop-filter:none;box-shadow:none}.header .brand,.header .logo,.header .tag,.header .nav,.header .links,.header .title,.header h1,.header h2{display:none!important}.header .auth,.header .actions,.header .auth-buttons{display:flex!important;align-items:center;gap:8px}.header .btn,.header button.btn{min-height:40px;padding:10px 12px;font-size:15.5px!important;border-radius:10px;box-shadow:none}.header .btn-outline{border-color:#2a2f3e;color:var(--txt)}}