:root{--color-accent: #2563eb;--color-accent-contrast: #ffffff;--color-accent-hover: #1d4ed8;--color-bg: #f7f8fa;--color-surface: #ffffff;--color-surface-2: #eef0f4;--color-border: #e2e5ea;--color-text: #1a1d23;--color-text-muted: #6b7280;--color-bubble-user-bg: var(--color-accent);--color-bubble-user-text: var(--color-accent-contrast);--color-bubble-assistant-bg: var(--color-surface);--color-bubble-assistant-text: var(--color-text);--font-body: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;--font-size-base: 16px;--font-size-title: clamp(1.75rem, 4vw, 2.5rem);--line-height: 1.55;--radius-sm: 8px;--radius-md: 14px;--radius-lg: 22px;--space-unit: 8px;--content-max-width: 760px;--shadow-soft: 0 1px 2px rgba(16, 24, 40, .04), 0 8px 24px rgba(16, 24, 40, .06);--shadow-focus: 0 0 0 3px color-mix(in srgb, var(--color-accent) 25%, transparent)}@media(prefers-color-scheme:dark){:root{--color-accent: #3b82f6;--color-accent-hover: #60a5fa;--color-bg: #0f1115;--color-surface: #181b21;--color-surface-2: #21252d;--color-border: #2b303a;--color-text: #e8eaed;--color-text-muted: #9aa3af;--color-bubble-assistant-bg: #21252d;--shadow-soft: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .35)}}*,*:before,*:after{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--color-bg);color:var(--color-text);font-family:var(--font-body);font-size:var(--font-size-base);line-height:var(--line-height);-webkit-font-smoothing:antialiased}.app{height:100%}.app__main{height:100%;display:flex;flex-direction:column}.history-toggle{position:fixed;top:calc(var(--space-unit) * 2);left:calc(var(--space-unit) * 2);z-index:20;width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface);color:var(--color-text);cursor:pointer;box-shadow:var(--shadow-soft);transition:border-color .15s ease}.history-toggle:hover{border-color:var(--color-accent)}.drawer-scrim{position:fixed;top:0;right:0;bottom:0;left:0;z-index:30;background:#0006;opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s ease}.drawer-scrim.is-open{opacity:1;visibility:visible}.drawer{position:fixed;top:0;left:0;z-index:31;width:300px;max-width:85vw;height:100%;display:flex;flex-direction:column;background:var(--color-surface);border-right:1px solid var(--color-border);box-shadow:var(--shadow-soft);transform:translate(-100%);transition:transform .2s ease}.drawer.is-open{transform:translate(0)}.drawer__header{flex:none;display:flex;align-items:center;justify-content:space-between;padding:calc(var(--space-unit) * 1.5) calc(var(--space-unit) * 2);border-bottom:1px solid var(--color-border)}.drawer__title{font-weight:600}.drawer__close{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border:none;border-radius:var(--radius-sm);background:transparent;color:var(--color-text-muted);cursor:pointer}.drawer__close:hover{background:var(--color-surface-2);color:var(--color-text)}.drawer__new{flex:none;margin:calc(var(--space-unit) * 1.5);padding:calc(var(--space-unit) * 1.25);border:1px solid var(--color-border);border-radius:var(--radius-md);background:transparent;color:var(--color-text);font:inherit;font-weight:500;cursor:pointer;transition:border-color .15s ease}.drawer__new:hover{border-color:var(--color-accent)}.drawer__empty{margin:0;padding:calc(var(--space-unit) * 2);color:var(--color-text-muted);font-size:.9rem}.drawer__list{list-style:none;margin:0;padding:0 calc(var(--space-unit) * 1) calc(var(--space-unit) * 1);overflow-y:auto}.drawer__item{display:flex;align-items:center;border-radius:var(--radius-sm)}.drawer__item:hover{background:var(--color-surface-2)}.drawer__item.is-active{background:color-mix(in srgb,var(--color-accent) 12%,transparent)}.drawer__item-main{flex:1;display:flex;flex-direction:column;gap:2px;min-width:0;padding:calc(var(--space-unit) * 1) calc(var(--space-unit) * 1.25);border:none;background:transparent;color:inherit;font:inherit;text-align:left;cursor:pointer}.drawer__item-title{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.drawer__item-time{font-size:.78rem;color:var(--color-text-muted)}.drawer__item-delete{flex:none;display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;margin-right:calc(var(--space-unit) * .5);border:none;border-radius:var(--radius-sm);background:transparent;color:var(--color-text-muted);cursor:pointer;opacity:0;transition:opacity .15s ease,color .15s ease}.drawer__item:hover .drawer__item-delete{opacity:1}.drawer__item-delete:hover{color:var(--color-text)}.landing{flex:1;display:flex;align-items:center;justify-content:center;padding:calc(var(--space-unit) * 3)}.landing__inner{width:100%;max-width:var(--content-max-width);text-align:center}.landing__title{margin:0 0 calc(var(--space-unit) * 1.5);font-size:var(--font-size-title);font-weight:650;letter-spacing:-.02em}.landing__tagline{margin:0 0 calc(var(--space-unit) * 4);color:var(--color-text-muted);font-size:1.05rem}.composer{display:flex;align-items:flex-end;gap:var(--space-unit);padding:var(--space-unit);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-soft);transition:box-shadow .15s ease,border-color .15s ease}.composer:focus-within{border-color:var(--color-accent);box-shadow:var(--shadow-focus)}.composer--large{padding:calc(var(--space-unit) * 1.25)}.composer__input{flex:1;border:none;outline:none;resize:none;background:transparent;color:inherit;font:inherit;line-height:var(--line-height);max-height:200px;padding:calc(var(--space-unit) * .75) calc(var(--space-unit) * 1.25)}.composer__input::placeholder{color:var(--color-text-muted)}.composer--large .composer__input{font-size:1.1rem;padding:calc(var(--space-unit) * 1.25)}.composer__send{flex:none;display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border:none;border-radius:var(--radius-md);background:var(--color-accent);color:var(--color-accent-contrast);cursor:pointer;transition:background .15s ease,opacity .15s ease}.composer__send:hover:not(:disabled){background:var(--color-accent-hover)}.composer__send:disabled{opacity:.45;cursor:default}.suggestions{list-style:none;margin:calc(var(--space-unit) * 2.5) 0 0;padding:0;display:flex;flex-wrap:wrap;gap:var(--space-unit);justify-content:center}.suggestions__chip{border:1px solid var(--color-border);border-radius:999px;background:var(--color-surface);color:var(--color-text-muted);font:inherit;font-size:.9rem;padding:calc(var(--space-unit) * .75) calc(var(--space-unit) * 1.5);cursor:pointer;transition:color .15s ease,border-color .15s ease}.suggestions__chip:hover{color:var(--color-text);border-color:var(--color-accent)}.conversation{flex:1;display:flex;flex-direction:column;min-height:0}.conversation__header{flex:none;display:flex;align-items:center;justify-content:space-between;gap:var(--space-unit);padding:calc(var(--space-unit) * 1.5) calc(var(--space-unit) * 2);padding-left:calc(var(--space-unit) * 8);border-bottom:1px solid var(--color-border);background:var(--color-surface)}.conversation__title{font-weight:600}.conversation__new{border:1px solid var(--color-border);border-radius:var(--radius-sm);background:transparent;color:var(--color-text-muted);font:inherit;font-size:.9rem;padding:calc(var(--space-unit) * .5) calc(var(--space-unit) * 1.25);cursor:pointer;transition:color .15s ease,border-color .15s ease}.conversation__new:hover{color:var(--color-text);border-color:var(--color-accent)}.conversation__thread{flex:1;overflow-y:auto;min-height:0}.conversation__messages{max-width:var(--content-max-width);margin:0 auto;padding:calc(var(--space-unit) * 3) calc(var(--space-unit) * 2);display:flex;flex-direction:column;gap:calc(var(--space-unit) * 2)}.conversation__composer{flex:none;padding:calc(var(--space-unit) * 1.5) calc(var(--space-unit) * 2) calc(var(--space-unit) * 2.5)}.conversation__composer .composer{max-width:var(--content-max-width);margin:0 auto}.bubble{display:flex}.bubble--user{justify-content:flex-end}.bubble--assistant{justify-content:flex-start}.bubble__body{max-width:80%;padding:calc(var(--space-unit) * 1.25) calc(var(--space-unit) * 1.75);border-radius:var(--radius-md);white-space:pre-wrap;word-wrap:break-word;overflow-wrap:anywhere}.bubble--user .bubble__body{background:var(--color-bubble-user-bg);color:var(--color-bubble-user-text);border-bottom-right-radius:var(--radius-sm)}.bubble--assistant .bubble__body{background:var(--color-bubble-assistant-bg);color:var(--color-bubble-assistant-text);border:1px solid var(--color-border);border-bottom-left-radius:var(--radius-sm)}.markdown{white-space:normal}.markdown>:first-child{margin-top:0}.markdown>:last-child{margin-bottom:0}.markdown p,.markdown ul,.markdown ol,.markdown blockquote,.markdown pre,.markdown table{margin:calc(var(--space-unit) * 1) 0}.markdown h1,.markdown h2,.markdown h3,.markdown h4{margin:calc(var(--space-unit) * 1.5) 0 calc(var(--space-unit) * .75);line-height:1.25;font-weight:650}.markdown h1{font-size:1.4rem}.markdown h2{font-size:1.25rem}.markdown h3{font-size:1.1rem}.markdown h4{font-size:1rem}.markdown ul,.markdown ol{padding-left:calc(var(--space-unit) * 3)}.markdown li+li{margin-top:calc(var(--space-unit) * .5)}.markdown a{color:var(--color-accent);text-decoration:underline;text-underline-offset:2px}.markdown blockquote{border-left:3px solid var(--color-border);padding-left:calc(var(--space-unit) * 1.5);color:var(--color-text-muted)}.markdown code{font-family:var(--font-mono);font-size:.9em;background:var(--color-surface-2);padding:.15em .4em;border-radius:var(--radius-sm)}.markdown pre{background:var(--color-surface-2);border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:calc(var(--space-unit) * 1.5);overflow-x:auto}.markdown pre code{background:none;padding:0;font-size:.875em;white-space:pre}.markdown table{border-collapse:collapse;width:100%;font-size:.95em}.markdown th,.markdown td{border:1px solid var(--color-border);padding:calc(var(--space-unit) * .75) calc(var(--space-unit) * 1);text-align:left}.markdown th{background:var(--color-surface-2);font-weight:600}.markdown img{max-width:100%;border-radius:var(--radius-sm)}.markdown hr{border:none;border-top:1px solid var(--color-border);margin:calc(var(--space-unit) * 2) 0}.bubble__actions{margin-top:calc(var(--space-unit) * 1);display:flex}.bubble__flag{display:inline-flex;align-items:center;gap:calc(var(--space-unit) * .5);padding:calc(var(--space-unit) * .5) calc(var(--space-unit) * 1);border:1px solid transparent;border-radius:var(--radius-sm);background:transparent;color:var(--color-text-muted);font:inherit;font-size:.8rem;cursor:pointer;transition:color .15s ease,border-color .15s ease}.bubble__flag:hover:not(:disabled){color:var(--color-accent);border-color:var(--color-border)}.bubble__flag:disabled{cursor:default}.bubble__flag.is-done{color:var(--color-accent)}.bubble__cursor{display:inline-block;width:8px;height:1.1em;vertical-align:text-bottom;background:var(--color-text-muted);border-radius:1px;animation:bubble-blink 1s steps(2,start) infinite}@keyframes bubble-blink{to{visibility:hidden}}.drawer__list{flex:1 1 auto}.drawer__footer{flex:none;margin-top:auto;padding:var(--space-unit);border-top:1px solid var(--color-border)}.drawer__faqs{width:100%;padding:calc(var(--space-unit) * 1);border:none;border-radius:var(--radius-sm);background:transparent;color:var(--color-text-muted);font:inherit;font-size:.9rem;text-align:left;cursor:pointer;transition:color .15s ease,background .15s ease}.drawer__faqs:hover{color:var(--color-text);background:var(--color-surface-2)}.faq{flex:1;display:flex;flex-direction:column;min-height:0}.faq__header{flex:none;display:flex;align-items:center;gap:calc(var(--space-unit) * 2);flex-wrap:wrap;padding:calc(var(--space-unit) * 1.5) calc(var(--space-unit) * 2);padding-left:calc(var(--space-unit) * 8);border-bottom:1px solid var(--color-border);background:var(--color-surface)}.faq__back{border:1px solid var(--color-border);border-radius:var(--radius-sm);background:transparent;color:var(--color-text-muted);font:inherit;font-size:.9rem;padding:calc(var(--space-unit) * .5) calc(var(--space-unit) * 1.25);cursor:pointer}.faq__back:hover{color:var(--color-text);border-color:var(--color-accent)}.faq__title{font-weight:600}.faq__tabs{display:flex;gap:calc(var(--space-unit) * .5);margin-left:auto}.faq__tab{border:1px solid transparent;border-radius:999px;background:transparent;color:var(--color-text-muted);font:inherit;font-size:.85rem;padding:calc(var(--space-unit) * .5) calc(var(--space-unit) * 1.25);cursor:pointer}.faq__tab:hover{color:var(--color-text)}.faq__tab.is-active{color:var(--color-accent);border-color:var(--color-accent)}.faq__body{flex:1;overflow-y:auto;min-height:0}.faq__list{list-style:none;max-width:var(--content-max-width);margin:0 auto;padding:calc(var(--space-unit) * 3) calc(var(--space-unit) * 2);display:flex;flex-direction:column;gap:calc(var(--space-unit) * 2)}.faq__item{border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface);padding:calc(var(--space-unit) * 2)}.faq__q{font-weight:600;margin-bottom:calc(var(--space-unit) * .75)}.faq__a{color:var(--color-text);margin-bottom:calc(var(--space-unit) * 1.5)}.faq__actions{display:flex;gap:var(--space-unit)}.faq__approve,.faq__reject{display:inline-flex;align-items:center;gap:calc(var(--space-unit) * .5);padding:calc(var(--space-unit) * .75) calc(var(--space-unit) * 1.5);border:1px solid var(--color-border);border-radius:var(--radius-sm);background:transparent;font:inherit;font-size:.9rem;cursor:pointer;transition:color .15s ease,border-color .15s ease}.faq__approve:hover:not(:disabled){color:var(--color-accent);border-color:var(--color-accent)}.faq__reject:hover:not(:disabled){color:#c0392b;border-color:#c0392b}.faq__approve:disabled,.faq__reject:disabled{opacity:.5;cursor:default}.faq__empty,.faq__error{max-width:var(--content-max-width);margin:calc(var(--space-unit) * 3) auto;padding:0 calc(var(--space-unit) * 2);color:var(--color-text-muted)}.faq__error{color:#c0392b}@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}