:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;font-family:var(--font-ui);font-synthesis:none;text-rendering:optimizelegibility;--color-canvas:#f3f4f1;--color-surface:#fafaf7;--color-surface-raised:#fff;--color-surface-interactive:#eceff1;--color-text-primary:#1b2024;--color-text-secondary:#49535a;--color-text-muted:#667078;--color-border:#d8dde0;--color-border-strong:#b7c0c5;--color-accent:#2f6fce;--color-accent-strong:#255eb5;--color-accent-ink:#fff;--color-success:#2f7955;--color-warning:#956522;--color-danger:#b44d52;--color-focus:#185ebf;--color-overlay:#191f246b;--space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-5:1.25rem;--space-6:1.5rem;--space-8:2rem;--space-10:2.5rem;--radius-sm:.45rem;--radius-md:.75rem;--radius-lg:1rem;--radius-xl:1.35rem;--font-ui:Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-reading:ui-serif, Georgia, Cambria, "Times New Roman", serif;--font-mono:ui-monospace, "SFMono-Regular", Consolas, "Liberation Mono", monospace;--text-xs:.75rem;--text-sm:.875rem;--text-base:1rem;--text-reading:clamp(1.02rem, .98rem + .2vw, 1.12rem);--elevation-raised:0 1rem 2.5rem #222a2f14;--elevation-panel:0 1rem 3rem #222a2f24}:root[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--color-canvas:#0d1115;--color-surface:#13181d;--color-surface-raised:#1a2026;--color-surface-interactive:#222a31;--color-text-primary:#f2eee6;--color-text-secondary:#c9c3b9;--color-text-muted:#9b968e;--color-border:#343b41;--color-border-strong:#4b555d;--color-accent:#86abe4;--color-accent-strong:#a9c5ee;--color-accent-ink:#0b1728;--color-success:#95c8a5;--color-warning:#d8b978;--color-danger:#e1a0a0;--color-focus:#b7d2f6;--color-overlay:#040608ad;--elevation-raised:0 1rem 2.5rem #0000003d;--elevation-panel:0 0 3rem 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minmax(0,1fr);block-size:100%;min-block-size:0;inline-size:min(100%,100rem);min-inline-size:0;margin-inline:auto;display:grid}.product-header{gap:var(--space-2) var(--space-4);min-inline-size:0;padding:var(--space-2) var(--space-3);flex-wrap:wrap;grid-row:1;justify-content:space-between;align-items:center;display:flex}.product-identity{gap:var(--space-3);align-items:center;min-inline-size:0;display:flex}.brand-mark{block-size:2.35rem;inline-size:2.35rem;color:var(--color-accent-ink);background:var(--color-accent);border-radius:var(--radius-sm);flex:none;place-items:center;font-size:.82rem;font-weight:850;display:grid}.product-identity h1{letter-spacing:.12em;margin:0;font-size:1rem;font-weight:780;line-height:1.2}.product-identity p{overflow-wrap:anywhere;color:var(--color-text-muted);font-size:var(--text-xs);margin:.15rem 0 0;line-height:1.35}.availability{gap:var(--space-2) var(--space-3);min-inline-size:0;color:var(--color-text-muted);font-size:var(--text-xs);flex-wrap:wrap;flex:0 auto;justify-content:flex-end;align-items:center;display:flex}.availability__status{gap:var(--space-2);white-space:nowrap;align-items:center;min-block-size:2.75rem;display:flex}.availability__indicator,.chat-status>span,.loading-mark{background:var(--color-warning);border-radius:50%;flex:none;block-size:.55rem;inline-size:.55rem;display:block}.availability--available .availability__indicator{background:var(--color-success)}.availability--unavailable{padding:var(--space-3);color:var(--color-text-primary);background:color-mix(in srgb, var(--color-danger) 10%, var(--color-surface));border:1px solid color-mix(in srgb, var(--color-danger) 45%, var(--color-border));border-radius:var(--radius-md);flex:100%;order:3;justify-content:flex-start}.availability--unavailable .availability__indicator{background:var(--color-danger)}.availability__description{overflow-wrap:anywhere;color:var(--color-text-secondary);flex:16rem;margin:0;line-height:1.45}.availability__retry{flex:none}.auth-stage{min-block-size:0;min-inline-size:0;padding:clamp(var(--space-3), 6vh, 4rem) 0;grid-row:2;place-items:center;display:grid;overflow-y:auto}.access-layout{gap:clamp(var(--space-5), 5vw, 4rem);align-items:center;inline-size:min(100%,68rem);min-inline-size:0;display:grid}.access-illustration{place-items:center;min-inline-size:0;display:none}.access-illustration img{filter:saturate(.94);block-size:auto;inline-size:min(100%,36rem);display:block}:root[data-theme=dark] .access-illustration img{filter:saturate(.82)brightness(.86)}.auth-card{gap:var(--space-5);inline-size:min(100%,29rem);min-inline-size:0;padding:clamp(var(--space-5), 5vw, var(--space-8));overflow-wrap:anywhere;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);box-shadow:var(--elevation-raised);display:grid}.auth-card__heading{gap:var(--space-2);display:grid}.auth-card h2,.spending-panel h2{letter-spacing:-.035em;margin:0;font-size:clamp(1.45rem,6vw,2rem);font-weight:680;line-height:1.1}.history-panel h2{letter-spacing:-.03em;margin:0;font-size:1.45rem;font-weight:700;line-height:1.15}.auth-card--checking{min-block-size:8rem;color:var(--color-text-secondary);grid-template-columns:auto 1fr;align-items:center}.auth-card--checking p,.auth-copy,.auth-notice,.auth-error{margin:0;line-height:1.55}.auth-copy{color:var(--color-text-secondary)}.auth-form{gap:var(--space-3);min-inline-size:0;display:grid}.auth-form label,.conversation-rename label,.spending-range label{color:var(--color-text-secondary);font-size:var(--text-xs);font-weight:700}.auth-form input,.conversation-rename input,.spending-range input,.composer textarea{min-block-size:2.75rem;inline-size:100%;min-inline-size:0;color:var(--color-text-primary);background:var(--color-canvas);border:1px solid var(--color-border-strong);outline:none;padding:.72rem .8rem}.auth-form input::placeholder,.composer textarea::placeholder{color:var(--color-text-muted)}.auth-form input:focus-visible,.conversation-rename input:focus-visible,.spending-range input:focus-visible,.composer textarea:focus-visible{border-color:var(--color-accent);box-shadow:0 0 0 .2rem color-mix(in srgb, var(--color-focus) 28%, transparent)}.auth-form__secondary-actions{gap:var(--space-2);flex-wrap:wrap;justify-content:space-between;align-items:center;display:flex}.turnstile-shell{min-inline-size:0;overflow:hidden}.auth-notice,.auth-error,.chat-error,.billing-error{padding:var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius-md)}.auth-notice{color:var(--color-accent-strong);background:color-mix(in srgb, var(--color-accent) 8%, var(--color-surface))}.auth-error,.chat-error,.billing-error{color:var(--color-danger);background:color-mix(in srgb, var(--color-danger) 8%, var(--color-surface));border-color:color-mix(in srgb, var(--color-danger) 35%, var(--color-border))}.eyebrow{color:var(--color-text-muted);letter-spacing:.12em;text-transform:uppercase;margin:0;font-size:.68rem;font-weight:760;line-height:1.4}.research-workspace{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);min-block-size:0;min-inline-size:0;box-shadow:var(--elevation-raised);isolation:isolate;grid-template-columns:minmax(0,1fr);display:grid;position:relative;overflow:hidden}.history-panel{z-index:30;gap:var(--space-4);min-block-size:0;inline-size:min(19rem,100% - 2.5rem);min-inline-size:0;padding:var(--space-5);visibility:hidden;background:var(--color-surface-raised);border-inline-end:1px solid var(--color-border);box-shadow:var(--elevation-panel);grid-template-rows:auto auto minmax(0,1fr) auto auto;transition:transform .16s,visibility .16s step-end;display:grid;position:absolute;inset-block:0;inset-inline-start:0;transform:translate(-102%)}.history-panel.is-open{visibility:visible;transition:transform .16s,visibility step-start;transform:translate(0)}.history-panel__header,.spending-panel__header{gap:var(--space-3);justify-content:space-between;align-items:flex-start;min-inline-size:0;display:flex}.history-panel__header>div,.spending-panel__header>div{gap:var(--space-2);min-inline-size:0;display:grid}.history-panel__new{inline-size:100%}.conversation-list{gap:var(--space-1);overscroll-behavior:contain;flex-direction:column;min-block-size:0;min-inline-size:0;display:flex;overflow:hidden auto}.conversation-list__row{gap:var(--space-1);grid-template-columns:minmax(0,1fr) auto;align-items:center;min-inline-size:0;display:grid}.conversation-list__item{gap:var(--space-1);min-block-size:3.25rem;inline-size:100%;padding:var(--space-3);overflow-wrap:anywhere;color:var(--color-text-secondary);text-align:start;border-radius:var(--radius-md);cursor:pointer;background:0 0;border:1px solid #0000;display:grid}.conversation-list__item small{color:var(--color-text-muted);font-size:.68rem}.conversation-list__item>span,.billing-summary h3,.message__charge,.spending-panel table{font-variant-numeric:tabular-nums}.conversation-list__item>span{min-inline-size:0;font-size:var(--text-sm);text-overflow:ellipsis;white-space:nowrap;line-height:1.35;overflow:hidden}.conversation-list__item[aria-current=page]{color:var(--color-text-primary);background:var(--color-surface-interactive);border-color:var(--color-border)}.conversation-list__empty{margin:var(--space-4) 0;color:var(--color-text-muted);font-size:var(--text-sm);line-height:1.5}.conversation-rename{gap:var(--space-2);min-inline-size:0;border-block-start:1px solid var(--color-border);padding-block-start:var(--space-3);display:grid}.conversation-rename h3,.conversation-rename p{margin:0}.conversation-rename h3{font-size:var(--text-sm);line-height:1.35}.conversation-rename>p{color:var(--color-text-muted);font-size:var(--text-xs);line-height:1.4}.conversation-rename .conversation-rename__error{color:var(--color-danger)}.conversation-rename__actions{gap:var(--space-2);flex-wrap:wrap;justify-content:flex-end;display:flex}.conversation-rename__actions .button{flex:auto}.conversation-pane{grid-template-rows:auto minmax(0,1fr) auto;min-block-size:0;min-inline-size:0;display:grid;overflow:hidden}.conversation-header{gap:var(--space-2) var(--space-3);min-inline-size:0;padding:var(--space-3);background:var(--color-surface);border-block-end:1px solid var(--color-border);grid-template-columns:auto minmax(0,1fr) auto;align-items:center;display:grid}.conversation-header__title{gap:var(--space-2) var(--space-4);flex-wrap:wrap;align-items:center;min-inline-size:0;display:flex}.conversation-header__title h2{letter-spacing:-.02em;text-overflow:ellipsis;white-space:nowrap;margin:0;font-size:clamp(.96rem,3.8vw,1.2rem);font-weight:680;line-height:1.25;overflow:hidden}.billing-summary{text-align:end;min-inline-size:0}.billing-summary p{color:var(--color-text-muted);letter-spacing:.08em;text-transform:uppercase;margin:0;font-size:.65rem;font-weight:700}.billing-summary h3{overflow-wrap:anywhere;color:var(--color-text-secondary);margin:.1rem 0 0;font-size:.9rem;line-height:1.2}.message-list{overscroll-behavior:contain;scrollbar-color:var(--color-border-strong) transparent;scrollbar-width:thin;min-block-size:0;min-inline-size:0;position:relative;overflow:hidden auto}.conversation-transition{z-index:3;min-block-size:2.25rem;inline-size:fit-content;margin:var(--space-3) auto calc(-2.25rem - var(--space-3));color:var(--color-text-secondary);font-size:var(--text-xs);background:var(--color-surface-raised);border:1px solid var(--color-border);box-shadow:var(--elevation-raised);border-radius:999px;padding:.45rem .75rem;font-weight:650;line-height:1.35;position:sticky;inset-block-start:var(--space-3)}.conversation-pane[aria-busy=true] .message-list__inner{opacity:.48;pointer-events:none}.message-list:focus-visible{outline:2px solid var(--color-focus);outline-offset:-2px}.message-list__inner{gap:clamp(var(--space-5), 4vh, var(--space-10));min-block-size:100%;inline-size:min(100%,58rem);padding:clamp(var(--space-4), 4vw, var(--space-8));flex-direction:column;margin-inline:auto;display:flex}.message-list__older{align-self:center}.empty-conversation{min-block-size:12rem;padding:var(--space-6);text-align:center;flex:1;place-content:center;display:grid}.empty-conversation p{font-family:var(--font-reading);margin:0;font-size:1.25rem;font-weight:650}.empty-conversation span{max-inline-size:30rem;color:var(--color-text-muted);font-size:var(--text-sm);margin-block-start:var(--space-2);line-height:1.55}.message{overflow-wrap:anywhere;min-inline-size:0}.message--user{background:var(--color-surface-interactive);border:1px solid var(--color-border-strong);border-radius:var(--radius-lg) var(--radius-lg) var(--radius-sm) var(--radius-lg);align-self:flex-end;inline-size:fit-content;max-inline-size:min(86%,38rem);padding:.8rem .95rem}.message--assistant{inline-size:min(100%,48rem);border-block-end:1px solid color-mix(in srgb, var(--color-border) 70%, transparent);align-self:flex-start;padding-block-end:var(--space-5)}.image-turns{display:contents}.image-turn__result{gap:var(--space-2);inline-size:min(100%,48rem);min-inline-size:0;border-block-end:1px solid color-mix(in srgb, var(--color-border) 70%, transparent);align-self:flex-start;padding-block-end:var(--space-5);display:grid}.generated-image{aspect-ratio:1;inline-size:min(100%,40rem);color:var(--color-text-secondary);background:var(--color-surface-interactive);border-radius:var(--radius-lg);place-items:center;display:grid;overflow:hidden}.generated-image--loading,.generated-image--placeholder,.generated-image--failed{padding:var(--space-6);text-align:center}.generated-image--failed{gap:var(--space-3)}.generated-image--failed p{margin:0}.generated-image__media{aspect-ratio:1;object-fit:contain;background:var(--color-surface-interactive);border-radius:var(--radius-lg);block-size:auto;inline-size:min(100%,40rem);display:block}.message__header{gap:var(--space-2) var(--space-3);flex-wrap:wrap;justify-content:space-between;align-items:baseline;min-inline-size:0;display:flex}.message__incomplete,.message__terminal{font-family:var(--font-ui);letter-spacing:.09em;text-transform:uppercase;margin:0;font-size:.68rem;font-weight:760;line-height:1.4}.message__terminal,.message__incomplete{color:var(--color-danger)}.message__content{overflow-wrap:anywhere;white-space:pre-wrap;margin:0}.message__header+.message__content{margin-block-start:var(--space-2)}.message--assistant .message__content{max-inline-size:70ch;color:var(--color-text-primary);font-family:var(--font-reading);font-size:var(--text-reading);line-height:1.72}.assistant-markdown{white-space:normal;min-inline-size:0}.assistant-markdown>:first-child{margin-block-start:0}.assistant-markdown>:last-child{margin-block-end:0}.assistant-markdown :is(p,ul,ol,blockquote,pre,table){min-inline-size:0}.assistant-markdown p,.assistant-markdown ul,.assistant-markdown ol,.assistant-markdown blockquote{margin-block:0 var(--space-4)}.assistant-markdown :is(ul,ol){padding-inline-start:1.45rem}.assistant-markdown li+li{margin-block-start:var(--space-1)}.assistant-markdown li>p{margin-block:0}.assistant-markdown .contains-task-list{padding-inline-start:0;list-style:none}.assistant-markdown .task-list-item{gap:var(--space-2);grid-template-columns:auto minmax(0,1fr);align-items:baseline;display:grid}.assistant-markdown .task-list-item input{block-size:1rem;inline-size:1rem;margin:0}.assistant-markdown :is(h1,h2,h3,h4,h5,h6){margin:var(--space-6) 0 var(--space-3);overflow-wrap:anywhere;color:var(--color-text-primary);font-family:var(--font-ui);letter-spacing:-.02em;font-weight:720;line-height:1.25}.assistant-markdown h1{font-size:1.35em}.assistant-markdown h2{font-size:1.22em}.assistant-markdown :is(h3,h4,h5,h6){font-size:1.08em}.assistant-markdown blockquote{color:var(--color-text-secondary);border-inline-start:3px solid var(--color-border-strong);padding-inline-start:var(--space-4)}.assistant-markdown blockquote>:last-child{margin-block-end:0}.assistant-markdown hr{margin-block:var(--space-6);border:0;border-block-start:1px solid var(--color-border)}.assistant-markdown a{color:var(--color-accent-strong);overflow-wrap:anywhere;text-underline-offset:.18em;text-decoration-thickness:.08em}.assistant-markdown a:focus-visible,.assistant-markdown__code-scroll:focus-visible,.assistant-markdown__table-scroll:focus-visible{outline:2px solid var(--color-focus);outline-offset:2px}.assistant-markdown :not(pre)>code{overflow-wrap:anywhere;font-family:var(--font-mono);background:var(--color-surface-interactive);border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:.08em .3em;font-size:.9em}.assistant-markdown__code-scroll,.assistant-markdown__table-scroll{max-inline-size:100%;margin-block:0 var(--space-4);overscroll-behavior-inline:contain;overflow-x:auto}.assistant-markdown__code-scroll{background:var(--color-surface-interactive);border:1px solid var(--color-border);border-radius:var(--radius-md)}.assistant-markdown__code-scroll pre{inline-size:max-content;min-inline-size:100%;padding:var(--space-4);font-family:var(--font-mono);white-space:pre;margin:0;font-size:.88em;line-height:1.55}.assistant-markdown__table-scroll table{border-spacing:0;border-collapse:collapse;inline-size:max-content;min-inline-size:100%;font-family:var(--font-ui);font-size:.9em;line-height:1.45}.assistant-markdown__table-scroll :is(th,td){max-inline-size:24rem;padding:var(--space-2) var(--space-3);overflow-wrap:anywhere;text-align:start;border:1px solid var(--color-border)}.assistant-markdown__table-scroll th{background:var(--color-surface-interactive)}.assistant-markdown__image-fallback,.assistant-markdown__inert-link{overflow-wrap:anywhere}.assistant-markdown__image-fallback{color:var(--color-text-muted);font-family:var(--font-ui);font-size:.9em}.message--user .message__content{color:var(--color-text-primary);font-size:.95rem;line-height:1.55}.message--assistant[data-message-state=sending] .message__content,.message--assistant[data-message-state=streaming] .message__content,.message--assistant[data-message-state=in-progress] .message__content{min-block-size:3rem}.message__incomplete{margin-block-start:var(--space-3)}.message__charge{margin:var(--space-3) 0 0;overflow-wrap:anywhere;color:var(--color-text-muted);font-family:var(--font-ui);font-size:var(--text-xs);line-height:1.4}.message__model{margin:var(--space-3) 0 0;overflow-wrap:anywhere;color:var(--color-text-secondary);font-family:var(--font-ui);font-size:var(--text-xs);font-weight:650;line-height:1.4}.conversation-dock{min-inline-size:0;padding:var(--space-2) var(--space-3) max(var(--space-3), env(safe-area-inset-bottom));background:var(--color-surface-raised);border-block-start:1px solid var(--color-border)}.conversation-feedback{gap:var(--space-2);inline-size:min(100%,58rem);margin:0 auto var(--space-2);display:grid}.conversation-feedback:empty{margin:0;display:none}.chat-status{gap:var(--space-2);min-inline-size:0;color:var(--color-text-muted);font-size:var(--text-xs);align-items:center;line-height:1.35;display:flex}.chat-status>span{background:var(--color-text-muted)}.chat-status--sending>span,.chat-status--streaming>span{background:var(--color-accent)}.chat-status--completed>span{background:var(--color-success)}.chat-status--failed>span,.chat-status--cancelled>span,.chat-status--insufficient-balance>span,.chat-status--persistence-unavailable>span,.chat-status--not-found>span{background:var(--color-danger)}.chat-error,.billing-error{font-size:var(--text-xs);margin:0;line-height:1.45}.chat-error{gap:var(--space-2) var(--space-3);flex-wrap:wrap;align-items:center;display:flex}.chat-error p{flex:18rem;min-inline-size:0;margin:0}.chat-error .button{min-block-size:2.75rem}.composer{gap:var(--space-2);inline-size:min(100%,58rem);min-inline-size:0;margin-inline:auto;display:grid}.model-picker{gap:var(--space-2);min-inline-size:0;color:var(--color-text-muted);font-size:var(--text-xs);grid-template-columns:auto minmax(0,14rem) minmax(0,1fr) auto;align-items:center;display:grid}.model-picker label{color:var(--color-text-secondary);font-weight:700}.model-picker select{color:var(--color-text-primary);background:var(--color-canvas);border:1px solid var(--color-border-strong);border-radius:var(--radius-md);outline:none;min-block-size:2.75rem;min-inline-size:0;max-inline-size:100%;padding:.68rem 2rem .68rem .75rem}.model-picker select:focus-visible{border-color:var(--color-accent);box-shadow:0 0 0 .2rem color-mix(in srgb, var(--color-focus) 28%, transparent)}.model-picker 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