@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";:root{--bg-primary: #edf3f8;--bg-accent: #dbeafe;--surface: rgba(255, 255, 255, .88);--surface-strong: #ffffff;--surface-muted: #f4f7fb;--bg-input: #ffffff;--border: rgba(29, 78, 216, .14);--border-strong: rgba(15, 23, 42, .14);--text-primary: #101827;--text-secondary: #64748b;--text-tertiary: #8a98aa;--accent: #2563eb;--accent-hover: #1d4ed8;--accent-soft: rgba(37, 99, 235, .12);--user-bubble: linear-gradient(135deg, #2563eb, #0f766e);--assistant-bubble: rgba(255, 255, 255, .94);--code-bg: #eef4ff;--code-text: #1e40af;--shadow-soft: 0 18px 60px rgba(30, 64, 175, .14);--shadow-card: 0 12px 30px rgba(15, 23, 42, .08);--error: #dc2626;--error-bg: rgba(220, 38, 38, .08)}:root[data-theme=dark]{--bg-primary: #0b1020;--bg-accent: #0f766e;--surface: rgba(15, 23, 42, .86);--surface-strong: #111827;--surface-muted: #172033;--bg-input: #0f172a;--border: rgba(148, 163, 184, .14);--border-strong: rgba(226, 232, 240, .16);--text-primary: #f8fafc;--text-secondary: #a9b4c6;--text-tertiary: #778399;--accent: #38bdf8;--accent-hover: #7dd3fc;--accent-soft: rgba(56, 189, 248, .13);--user-bubble: linear-gradient(135deg, #0ea5e9, #0f766e);--assistant-bubble: rgba(17, 24, 39, .92);--code-bg: #0b1220;--code-text: #bae6fd;--shadow-soft: 0 22px 70px rgba(0, 0, 0, .34);--shadow-card: 0 14px 36px rgba(0, 0, 0, .26);--error: #f87171;--error-bg: rgba(248, 113, 113, .1)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}html{overflow:hidden;background:var(--bg-primary)}body{height:100%;overflow:hidden;overscroll-behavior:none;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:14px;line-height:1.6;background:radial-gradient(circle at top left,var(--bg-accent),transparent 34rem),linear-gradient(135deg,var(--bg-primary),var(--surface-muted));color:var(--text-primary);-webkit-font-smoothing:antialiased;transition:background-color .2s ease,color .2s ease}#root{display:flex}button,textarea{font:inherit}button{-webkit-tap-highlight-color:transparent}.app{display:flex;flex-direction:column;width:min(100%,980px);height:100dvh;max-height:100dvh;margin:0 auto;background:var(--surface);border-left:1px solid var(--border);border-right:1px solid var(--border);box-shadow:var(--shadow-soft);-webkit-backdrop-filter:blur(22px);backdrop-filter:blur(22px);overflow:hidden}.header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:calc(18px + env(safe-area-inset-top)) calc(24px + env(safe-area-inset-right)) 18px calc(24px + env(safe-area-inset-left));background:color-mix(in srgb,var(--surface-strong) 88%,transparent);border-bottom:1px solid var(--border);flex-shrink:0}.header__brand{display:flex;align-items:center;min-width:0;gap:12px}.header__mark{display:grid;place-items:center;width:42px;height:42px;flex:0 0 42px;border-radius:8px;background:var(--user-bubble);color:#fff;font-weight:700;font-size:18px;box-shadow:var(--shadow-card)}.header__title,.header__tagline{display:block}.header__title{font-size:20px;font-weight:700;color:var(--text-primary);letter-spacing:0;line-height:1.15}.header__tagline{margin-top:2px;font-size:12px;color:var(--text-secondary);letter-spacing:0}.theme-toggle{display:inline-flex;align-items:center;justify-content:center;width:62px;height:36px;border:1px solid var(--border-strong);border-radius:999px;background:var(--surface-muted);color:var(--text-primary);cursor:pointer;transition:border-color .18s ease,transform .18s ease,background-color .18s ease}.theme-toggle:hover{border-color:var(--accent);transform:translateY(-1px)}.theme-toggle:focus-visible{outline:3px solid var(--accent-soft);outline-offset:3px}.theme-toggle__track{position:relative;display:block;width:48px;height:24px}.theme-toggle__thumb{position:absolute;top:0;left:0;display:grid;place-items:center;width:24px;height:24px;border-radius:50%;background:var(--surface-strong);color:var(--accent);box-shadow:0 5px 14px #0f172a2e;transition:transform .2s ease,color .2s ease,background-color .2s ease}:root[data-theme=dark] .theme-toggle__thumb{transform:translate(24px)}.theme-toggle svg{width:15px;height:15px;fill:currentColor}.chat-window{flex:1;min-height:0;overflow-y:auto;-webkit-overflow-scrolling:touch;overscroll-behavior:contain;padding:28px calc(24px + env(safe-area-inset-right)) 28px calc(24px + env(safe-area-inset-left));display:flex;flex-direction:column;gap:20px;scrollbar-width:thin;scrollbar-color:var(--border-strong) transparent}.chat-window::-webkit-scrollbar{width:8px}.chat-window::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:999px}.wakeup-banner{align-self:center;max-width:92%;text-align:center;font-size:12px;color:var(--text-secondary);background:var(--surface-strong);border:1px solid var(--border);border-radius:8px;padding:9px 14px;box-shadow:var(--shadow-card)}.message{display:flex;flex-direction:column;max-width:min(74%,720px)}.message--user{align-self:flex-end;align-items:flex-end}.message--assistant{align-self:flex-start;align-items:flex-start}.message__label{font-size:11px;color:var(--text-tertiary);margin-bottom:5px;font-weight:600}.message__model{font-size:10px;color:var(--text-tertiary);margin-top:6px}.message__bubble{padding:13px 16px;border-radius:14px;line-height:1.62;word-break:break-word;white-space:pre-wrap;box-shadow:var(--shadow-card)}.message--assistant .message__bubble{white-space:normal}.message--user .message__bubble{background:var(--user-bubble);color:#fff;border-radius:14px 14px 4px}.message--assistant .message__bubble{background:var(--assistant-bubble);border:1px solid var(--border);border-radius:14px 14px 14px 4px}.message--error .message__bubble{background:var(--error-bg);border:1px solid var(--error);color:var(--error)}.markdown p{margin:0 0 10px}.markdown p:last-child{margin-bottom:0}.markdown strong{color:var(--text-primary);font-weight:700}.markdown em{color:var(--text-secondary)}.markdown h1,.markdown h2,.markdown h3{color:var(--text-primary);font-weight:700;margin:14px 0 6px;line-height:1.3}.markdown h1{font-size:1.22em}.markdown h2{font-size:1.12em}.markdown h3{font-size:1em}.markdown ul,.markdown ol{padding-left:20px;margin:6px 0 10px}.markdown li{margin-bottom:4px}.markdown code{background:var(--code-bg);border:1px solid var(--border);border-radius:6px;padding:2px 6px;font-family:Fira Code,Consolas,Courier New,monospace;font-size:12.5px;color:var(--code-text)}.markdown pre{max-width:100%;background:var(--code-bg);border:1px solid var(--border);border-radius:8px;padding:13px 14px;overflow-x:auto;margin:8px 0}.markdown pre code{background:none;border:none;padding:0;color:var(--text-primary)}.markdown blockquote{border-left:3px solid var(--accent);margin:8px 0;padding:4px 12px;color:var(--text-secondary)}.markdown hr{border:none;border-top:1px solid var(--border);margin:12px 0}.markdown a{color:var(--accent);text-decoration-thickness:1.5px;text-underline-offset:3px}.retry-btn{margin-top:10px;background:transparent;border:1px solid currentColor;color:var(--error);font-size:12px;font-family:inherit;font-weight:600;padding:5px 12px;border-radius:8px;cursor:pointer;transition:background-color .15s ease,transform .15s ease}.retry-btn:hover{background:var(--error-bg);transform:translateY(-1px)}.typing-indicator{display:flex;align-items:center;gap:5px;padding:14px 16px;background:var(--assistant-bubble);border:1px solid var(--border);border-radius:14px 14px 14px 4px;width:fit-content;box-shadow:var(--shadow-card)}.typing-indicator span{display:block;width:7px;height:7px;border-radius:50%;background-color:var(--accent);animation:bounce 1.2s infinite ease-in-out}.typing-indicator span:nth-child(2){animation-delay:.2s}.typing-indicator span:nth-child(3){animation-delay:.4s}@keyframes bounce{0%,80%,to{transform:translateY(0);opacity:.35}40%{transform:translateY(-6px);opacity:1}}.chat-input-bar{flex-shrink:0;padding:16px calc(24px + env(safe-area-inset-right)) calc(20px + env(safe-area-inset-bottom)) calc(24px + env(safe-area-inset-left));background:color-mix(in srgb,var(--surface-strong) 82%,transparent);border-top:1px solid var(--border)}.chat-input-inner{display:flex;align-items:flex-end;gap:10px;background:var(--bg-input);border:1px solid var(--border-strong);border-radius:14px;padding:10px;box-shadow:var(--shadow-card);transition:border-color .18s ease,box-shadow .18s ease}.chat-input-inner:focus-within{border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-soft),var(--shadow-card)}.chat-input-textarea{flex:1;min-height:38px;background:transparent;border:none;outline:none;resize:none;font-size:14px;line-height:1.55;color:var(--text-primary);padding:8px 4px 7px 6px;max-height:calc(7.75em + 16px);overflow-y:auto;scrollbar-width:thin}.chat-input-textarea::placeholder{color:var(--text-tertiary)}.chat-input-textarea:disabled{opacity:.55;cursor:not-allowed}.send-btn{flex-shrink:0;width:40px;height:40px;border-radius:10px;border:none;background:var(--accent);color:#fff;cursor:pointer;display:grid;place-items:center;transition:background-color .15s ease,transform .15s ease,opacity .15s ease}.send-btn svg{width:22px;height:22px;fill:currentColor}.send-btn:hover:not(:disabled){background:var(--accent-hover);transform:translateY(-1px)}.send-btn:focus-visible{outline:3px solid var(--accent-soft);outline-offset:3px}.send-btn:disabled{opacity:.42;cursor:not-allowed;transform:none}.empty-state{flex:1;min-height:360px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;text-align:center;color:var(--text-secondary);-webkit-user-select:none;user-select:none}.empty-state__icon{display:grid;place-items:center;width:68px;height:68px;border-radius:18px;background:var(--accent-soft);border:1px solid var(--border);margin-bottom:4px}.empty-state__icon span{position:relative;display:block;width:34px;height:24px;border:2px solid var(--accent);border-radius:8px}.empty-state__icon span:after{content:"";position:absolute;right:5px;bottom:-7px;width:10px;height:10px;border-right:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:rotate(45deg);background:transparent}.empty-state__title{color:var(--text-primary);font-size:24px;line-height:1.2;font-weight:700;letter-spacing:0}.empty-state__text{max-width:320px;font-size:14px;color:var(--text-secondary)}@media (max-width: 720px){.app{width:100%;border:none}.header{padding:calc(14px + env(safe-area-inset-top)) calc(16px + env(safe-area-inset-right)) 14px calc(16px + env(safe-area-inset-left))}.header__mark{width:38px;height:38px;flex-basis:38px}.header__title{font-size:18px}.header__tagline{font-size:11px}.chat-window{padding:22px calc(14px + env(safe-area-inset-right)) 22px calc(14px + env(safe-area-inset-left));gap:18px}.message{max-width:88%}.chat-input-bar{padding:12px calc(14px + env(safe-area-inset-right)) calc(14px + env(safe-area-inset-bottom)) calc(14px + env(safe-area-inset-left))}.chat-input-inner{border-radius:12px}.empty-state{min-height:300px;padding:0 18px}}@media (max-width: 420px){.header__tagline{display:none}.theme-toggle{width:56px}.message{max-width:94%}.message__bubble{padding:12px 14px}}