:root{color:#f5f6fa;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;background:#11141c;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{min-width:320px;min-height:100vh;margin:0}button,textarea,select{font:inherit}button{cursor:pointer}h1,h2,p{margin:0}::selection{color:#fff;background:#7363b8}:root{--bg:#11141c;--surface:#1e2431;--surface-hover:#292f40;--accent:#ab9af5;--accent-dark:#7568cc;--text:#f5f6fa;--muted:#98a2b5;--border:#303746}.app{background:var(--bg);width:100%;max-width:620px;min-height:100dvh;margin:0 auto}.app-content{padding:30px 20px 115px}.header{justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:32px;display:flex}.brand{color:var(--accent);letter-spacing:2px;margin-bottom:13px;font-size:11px;font-weight:700}.header h1{letter-spacing:-.8px;font-size:27px;font-weight:650;line-height:1.2}.subtitle{color:var(--muted);margin-top:9px;font-size:12px;line-height:1.5}.balance-button{border:1px solid var(--border);color:var(--text);background:#252c3b;border-radius:12px;flex-shrink:0;align-items:center;gap:8px;padding:11px 12px;font-size:12px;transition:background .2s;display:flex}.balance-button:hover{background:var(--surface-hover)}.chat-panel{border:1px solid var(--border);background:var(--surface);border-radius:22px;padding:17px}.model-heading{align-items:center;gap:12px;margin-bottom:18px;display:flex;position:relative}.model-symbol{color:#c9bdff;background:#35304f;border-radius:14px;flex-shrink:0;place-items:center;width:46px;height:46px;display:grid}.model-info{flex-direction:column;flex:1;gap:5px;min-width:0;display:flex}.model-info strong{font-size:15px;font-weight:600}.model-info span{color:var(--muted);font-size:12px}.model-select{opacity:0;cursor:pointer;width:100%;height:100%;position:absolute;inset:0}.composer{background:#141923;border:1px solid #303748;border-radius:16px;padding:15px;transition:border-color .2s}.composer:focus-within{border-color:#7568cc}.composer textarea{resize:vertical;width:100%;min-height:115px;color:var(--text);background:0 0;border:none;outline:none;padding:0;font-size:14px;line-height:1.6;display:block}.composer textarea::placeholder{color:#7e8a9d}.composer-footer{justify-content:space-between;align-items:center;display:flex}.composer-footer span{color:var(--muted);font-size:11px}.send-button{background:var(--accent-dark);color:#fff;border:none;border-radius:12px;place-items:center;width:39px;height:39px;transition:transform .2s;display:grid}.send-button:not(:disabled):active{transform:scale(.94)}.send-button:disabled{opacity:.55;cursor:not-allowed}.cost-hint{color:var(--muted);text-align:right;margin-top:13px;font-size:11px}.tools-section{margin-top:31px}.tools-section h2{margin-bottom:16px;font-size:18px;font-weight:600}.tools-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;display:grid}.tool-card{border:1px solid var(--border);background:var(--surface);min-width:0;color:var(--accent);border-radius:17px;flex-direction:column;align-items:center;gap:11px;padding:20px 7px;transition:background .2s,transform .2s;display:flex}.tool-card:hover{background:var(--surface-hover)}.tool-card:active{transform:scale(.97)}.tool-card span{color:var(--text);font-size:12px;font-weight:500}.tool-card small{color:var(--muted);text-align:center;font-size:10px;line-height:1.4}.placeholder-panel{border:1px solid var(--border);background:var(--surface);text-align:center;border-radius:22px;padding:46px 22px}.placeholder-panel>svg{color:var(--accent);margin-bottom:16px}.placeholder-panel h2{margin-bottom:12px;font-size:19px}.placeholder-panel p{color:var(--muted);font-size:13px;line-height:1.6}.placeholder-panel button{background:var(--accent-dark);color:#fff;border:0;border-radius:12px;margin-top:22px;padding:12px 20px}.bottom-nav{width:100%;max-width:620px;padding:13px 8px calc(15px + env(safe-area-inset-bottom));border-top:1px solid var(--border);z-index:10;background:#1a1f2b;grid-template-columns:repeat(4,1fr);display:grid;position:fixed;bottom:0;left:50%;transform:translate(-50%)}.bottom-nav button{color:var(--muted);background:0 0;border:0;flex-direction:column;align-items:center;gap:7px;padding:3px;font-size:11px;transition:color .2s;display:flex}.bottom-nav button.active{color:#c9bdff}@media (width<=390px){.app-content{padding:24px 14px 110px}.header h1{font-size:24px}.tool-card{padding:17px 4px}.tool-card span{font-size:11px}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important}}.open-chat-button{background:var(--accent-dark);color:#fff;border:none;border-radius:13px;width:100%;margin-top:16px;padding:14px;font-size:14px;font-weight:600;display:block}.chat-page{flex-direction:column;flex:1;width:100%;min-height:0;display:flex}.chat-back-button{color:var(--accent);background:0 0;border:none;align-items:center;margin-bottom:12px;padding:10px 0;font-size:14px;font-weight:500;display:inline-flex}.app-content.chat-active{height:100dvh;min-height:0;padding:12px 16px calc(76px + env(safe-area-inset-bottom));flex-direction:column;display:flex}.chat-page .dialog{flex-direction:column;flex:1;height:auto;min-height:0;display:flex}.chat-page .dialog-composer,.chat-page .dialog-note{flex-shrink:0}.app-content:has(.chat-page){padding:12px 16px 95px}.app-content:has(.chat-page)>.header{display:none}.chat-back-button{margin-bottom:8px}.chat-page .dialog{height:calc(100dvh - 165px);min-height:0}.chat-page .dialog-messages{min-height:0;overflow-y:auto}.chat-page .dialog-composer,.chat-page .dialog-note{flex-shrink:0}.dialog{background:var(--bg);min-height:calc(100dvh - 190px);color:var(--text);flex-direction:column;display:flex}.dialog-header{border-bottom:1px solid var(--border);color:var(--accent);align-items:center;gap:12px;padding:12px 0 18px;display:flex}.dialog-header div{flex-direction:column;gap:5px;display:flex}.dialog-header strong{color:var(--text);font-size:15px}.dialog-header span{color:var(--muted);font-size:12px}.dialog-messages{overflow-wrap:anywhere;flex-direction:column;flex:1;gap:18px;min-height:180px;padding:22px 0;display:flex;overflow-y:auto}.dialog-empty{color:var(--accent);text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:12px;display:flex}.dialog-empty h2{color:var(--text);font-size:22px;font-weight:600}.dialog-empty p{color:var(--muted);font-size:13px}.message-user{max-width:88%;color:var(--text);white-space:pre-wrap;background:#383250;border:1px solid #494163;border-radius:17px 17px 5px;align-self:flex-end;padding:13px 16px;font-size:14px;line-height:1.6}.dialog-composer{border:1px solid var(--border);background:var(--surface);border-radius:18px;align-items:flex-end;gap:12px;padding:12px;display:flex}.dialog-composer textarea{resize:vertical;min-width:0;min-height:44px;max-height:140px;color:var(--text);background:0 0;border:none;outline:none;flex:1;padding:9px 4px;font-size:14px;line-height:1.5}.dialog-composer textarea::placeholder{color:var(--muted)}.dialog-composer:focus-within{border-color:var(--accent-dark)}.dialog-composer button{background:var(--accent-dark);color:#fff;border:none;border-radius:13px;flex-shrink:0;place-items:center;width:42px;height:42px;transition:opacity .2s,transform .2s;display:grid}.dialog-composer button:disabled{opacity:.4;cursor:not-allowed}.dialog-composer button:not(:disabled):active{transform:scale(.94)}.dialog-note{text-align:center;color:var(--muted);margin-top:10px;font-size:11px}@media (width<=390px){.dialog{min-height:calc(100dvh - 175px)}.message-user{max-width:92%;font-size:13px}.dialog-composer{padding:9px}}.dialog .dialog-header{border-bottom:1px solid var(--border);align-items:center;gap:12px;padding:10px 0 16px;display:flex}.dialog-header .dialog-back{border:1px solid var(--border);background:var(--surface);width:40px;height:40px;color:var(--text);border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;display:flex}.dialog-header .dialog-back:active{background:var(--surface-hover)}.dialog-header>svg{width:40px;height:40px;color:var(--accent);background:#35304f;border-radius:12px;flex-shrink:0;padding:9px}.dialog-header>div{flex-direction:column;gap:4px;min-width:0;display:flex}.dialog .dialog-composer textarea{resize:none}.message-bubble{overflow-wrap:anywhere;flex-direction:column;gap:8px;max-width:88%;font-size:14px;line-height:1.65;display:flex}.message-bubble-user{color:var(--text);background:#383250;border:1px solid #51466f;border-radius:18px 18px 5px;align-self:flex-end;padding:12px 16px}.message-bubble-assistant{width:100%;color:var(--text);align-self:flex-start;padding:8px 2px}.message-bubble-author{color:var(--accent);align-items:center;font-size:12px;font-weight:600;display:flex}.message-bubble-content{white-space:pre-wrap;overflow-wrap:anywhere}@media (width<=390px){.message-bubble{font-size:13px}.message-bubble-user{max-width:92%;padding:11px 13px}}