:root{--bg-sports:#fff0f5;--bg-finance:#f0fff0;--text-primary:#333333;--text-secondary:#666666;--accent-sports:#ff6b6b;--accent-finance:#4ade80;--input-bg:#ffffff;--input-shadow:0 4px 12px rgba(0,0,0,0.08);--bot-msg-bg:transparent;--user-msg-bg:#f1f5f9;--toggle-bg:rgba(255,255,255,0.5);--toggle-active-bg:#ffffff}body.dark-mode{--bg-sports:#1a1520;--bg-finance:#0f1a14;--text-primary:#f0f0f0;--text-secondary:#b0b0b0;--input-bg:#2a2a2a;--input-shadow:0 4px 12px rgba(0,0,0,0.3);--user-msg-bg:#3a3a4a;--toggle-bg:rgba(50,50,50,0.7);--toggle-active-bg:#444444;--input-border:rgba(255,255,255,0.1);--send-btn-bg:#444;--send-btn-color:#ccc}*{margin:0;padding:0;box-sizing:border-box}html{height:100%;height:100dvh;height:-webkit-fill-available}body{font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;color:var(--text-primary);height:100%;height:100dvh;min-height:100dvh;min-height:-webkit-fill-available;overflow:hidden;transition:background-color .4s ease,color .4s ease;overscroll-behavior:none;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body.theme-sports{background-color:var(--bg-sports)}body.theme-finance{background-color:var(--bg-finance)}.app-container{display:flex;flex-direction:column;height:100%;height:100dvh;position:relative;overflow:hidden}.header-bar{position:fixed;top:0;left:0;right:0;height:80px;background:linear-gradient(180deg,var(--bg-sports) 0,var(--bg-sports) 70%,transparent 100%);z-index:100;pointer-events:none}body.theme-finance .header-bar{background:linear-gradient(180deg,var(--bg-finance) 0,var(--bg-finance) 70%,transparent 100%)}.logo-container{position:fixed;top:20px;left:40px;z-index:101}.site-logo{height:78px;width:auto}.bot-toggle-container{right:100px;padding:4px;border-radius:20px;gap:4px;transition:background-color .3s ease}.bot-toggle-container,.night-mode-btn{position:fixed;top:20px;background:var(--toggle-bg);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);display:flex;z-index:101;touch-action:manipulation}.night-mode-btn{right:40px;width:44px;height:44px;border-radius:50%;border:none;color:var(--text-secondary);cursor:pointer;align-items:center;justify-content:center;font-size:1.1rem;transition:all .3s ease;-webkit-tap-highlight-color:transparent}.night-mode-btn:hover{background:var(--toggle-active-bg);color:var(--text-primary);transform:scale(1.05)}.night-mode-btn:active{transform:scale(.95)}body.dark-mode .night-mode-btn{color:#ffd700}.toggle-btn{background:transparent;border:none;padding:8px 16px;border-radius:16px;font-size:.9rem;font-weight:500;color:var(--text-secondary);cursor:pointer;transition:all .2s ease;min-height:44px;min-width:44px;touch-action:manipulation;-webkit-tap-highlight-color:transparent}.toggle-btn:hover{color:var(--text-primary)}.toggle-btn:active{transform:scale(.95)}.toggle-btn.active{background:var(--toggle-active-bg);color:var(--text-primary);box-shadow:0 2px 4px rgba(0,0,0,.05)}.chat-area{display:flex;flex-direction:column;flex:1 1;height:100%;width:100%;overflow:hidden;position:relative}.greeting-container{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);text-align:center;transition:opacity .3s ease;z-index:10;padding-top:60px}.chat-active .greeting-container{opacity:0;pointer-events:none}#greeting-text{font-size:2.5rem;font-weight:400;margin-bottom:.5rem;letter-spacing:-.02em}#greeting-subtext{font-size:1rem;color:var(--text-secondary);font-weight:300}.messages-container{width:100%;max-width:800px;margin:0 auto;padding:100px 20px 20px;flex:1 1;overflow-y:auto;overflow-x:hidden;display:flex;flex-direction:column;gap:1.5rem;opacity:0;transition:opacity .3s ease;-webkit-overflow-scrolling:touch;overscroll-behavior:contain}.chat-active .messages-container{opacity:1}.message{max-width:80%;font-size:1rem;line-height:1.6;color:var(--text-primary)}.user-message{align-self:flex-end;background:var(--user-msg-bg);padding:12px 18px;border-radius:18px;border-bottom-right-radius:4px}.bot-message{align-self:flex-start;max-width:90%;display:block}.typing-indicator{font-size:1.5rem;color:var(--text-secondary)}.response-header{font-weight:600;font-size:1.05rem;margin:1rem 0 .5rem;color:var(--text-primary)}.response-header:first-child{margin-top:0}.response-paragraph{margin:.5rem 0;color:var(--text-primary)}.response-list{margin:.5rem 0 .5rem 1.25rem;padding:0;list-style-type:disc}.response-list li{margin:.4rem 0;padding-left:.25rem;color:var(--text-primary)}.response-list li strong{font-weight:600}.bot-message p:first-child{margin-top:0}.bot-message p:last-child{margin-bottom:0}.bot-message strong{color:var(--text-primary)}.input-area{width:100%;display:flex;justify-content:center;padding:20px 20px calc(30px + env(safe-area-inset-bottom, 0px));z-index:50;background:inherit;flex-shrink:0}.input-wrapper{width:100%;max-width:700px;background:var(--input-bg);border-radius:24px;box-shadow:var(--input-shadow);padding:12px 16px;display:flex;align-items:flex-end;gap:10px;transition:box-shadow .2s;border:1px solid rgba(0,0,0,.05)}.input-wrapper:focus-within{box-shadow:0 6px 16px rgba(0,0,0,.12)}#chat-input{flex:1 1;border:none;background:transparent;resize:none;font-family:inherit;font-size:16px;padding:8px 4px;outline:none;max-height:200px;min-height:24px;color:var(--text-primary);-webkit-appearance:none;-moz-appearance:none;appearance:none}#chat-input::placeholder{color:var(--text-secondary)}.input-actions{display:flex;padding-bottom:4px}#send-btn{background:#e2e8f0;color:#64748b;border:none;width:44px;height:44px;border-radius:50%;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center;touch-action:manipulation;-webkit-tap-highlight-color:transparent}#send-btn:hover:not(:disabled){background:#333;color:#fff}#send-btn:active:not(:disabled){transform:scale(.9)}#send-btn:disabled{opacity:.5;cursor:default}body.dark-mode #send-btn{background:var(--send-btn-bg);color:var(--send-btn-color)}body.dark-mode #send-btn:hover:not(:disabled){background:#666;color:#fff}body.dark-mode .input-wrapper{border-color:var(--input-border)}@media (max-width:600px){.logo-container{left:15px;top:15px}.site-logo{height:40px;width:auto}.bot-toggle-container{top:15px;right:70px}.toggle-btn{padding:10px 16px;font-size:.85rem;min-height:44px}.night-mode-btn{top:15px;right:15px;width:44px;height:44px;font-size:1.1rem}.messages-container{padding:90px 15px 20px}.greeting-container{padding-top:40px}.input-area{padding:10px 15px calc(20px + env(safe-area-inset-bottom, 0px));background:inherit}.input-wrapper{padding:10px 12px}#chat-input{font-size:16px}.message{max-width:95%}.bot-message{max-width:100%}.header-bar{height:70px}}@supports (-webkit-touch-callout:none){body{min-height:100dvh}.app-container,body{height:100dvh}}