/* Geist and Geist Mono (SIL Open Font License 1.1, see /fonts/LICENSE.txt), served from this Worker. */
@font-face{font-family:Geist;src:url(/fonts/geist.woff2) format("woff2");font-weight:100 900;font-style:normal;font-display:swap}
@font-face{font-family:"Geist Mono";src:url(/fonts/geist-mono.woff2) format("woff2");font-weight:100 900;font-style:normal;font-display:swap}

/* ---------------------------------------------------------------------------------------------------------------
   Tokens. Colours, radii, type and shadows are the desktop app's (yaptime-app packages/ui/src/tokens/tokens.json),
   so the site and the app look like one product. The site adds a page background, a panel colour and a larger
   type scale for marketing headings. Light is the default; data-theme or the system setting switches to dark.
   --------------------------------------------------------------------------------------------------------------- */
:root{
  color-scheme:light dark;
  --font-sans:Geist,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --font-mono:"Geist Mono",ui-monospace,"SF Mono",Menlo,monospace;
  --radius-chip:4px;--radius-row:6px;--radius-control:8px;--radius-window:12px;--radius-panel:16px;--radius-full:999px;
  --ease-out:cubic-bezier(.16,1,.3,1);
  --container:1120px;--gutter:24px;

  --page:#fafbfc;--panel:#ffffff;--art:#f4f5f8;
  --canvas:#e9ebef;--surface:#ffffff;--surface-raised:#ffffff;--surface-sunken:#f6f7f9;
  --border:#e4e6eb;--border-strong:#d2d5dc;
  --text:#17181c;--text-secondary:#5d616b;--text-tertiary:#8b8f99;
  --accent:#2f5bd3;--accent-subtle:#e9effc;--accent-fg:#ffffff;--accent-text:#2f5bd3;
  --success:#1f7a4d;--success-subtle:#e6f4ec;--warning:#9a5b00;--warning-subtle:#fdf3e2;--danger:#b42318;--danger-subtle:#fdecea;
  --selection:#e8edfb;--focus-ring:rgba(47,91,211,.55);
  --shadow-sm:0 1px 2px rgba(20,22,30,.06);
  --shadow-md:0 1px 2px rgba(20,22,30,.06),0 6px 16px rgba(20,22,30,.08);
  --shadow-lg:0 2px 6px rgba(20,22,30,.08),0 16px 48px rgba(20,22,30,.16);
  --glow:rgba(47,91,211,.16);
  --state-hover:color-mix(in srgb,var(--text) 6%,transparent);--state-active:color-mix(in srgb,var(--text) 10%,transparent);

  /* Names the sign-in pages (src/page.ts, src/auth/authorize.ts) use. */
  --bg:var(--page);--ink:var(--text);--muted:var(--text-secondary);--line:var(--border);--accent-ink:var(--accent-fg);
  --tint:var(--surface-sunken);--brand:var(--accent);--shadow:var(--shadow-md);--error:var(--danger);
  --sans:var(--font-sans);--mono:var(--font-mono);
  font-family:var(--font-sans);
}
@media(prefers-color-scheme:dark){:root:not([data-theme=light]){
  color-scheme:dark;
  --page:#0b0c0f;--panel:#121317;--art:#0e0f12;
  --canvas:#0c0d10;--surface:#16171b;--surface-raised:#1d1f24;--surface-sunken:#121316;
  --border:#2a2c33;--border-strong:#3a3d45;
  --text:#eceef2;--text-secondary:#a3a7b1;--text-tertiary:#6f737d;
  --accent:#3f66e6;--accent-subtle:#1d2540;--accent-fg:#ffffff;--accent-text:#8ea8ff;
  --success:#6fd19c;--success-subtle:#15281e;--warning:#f0b95a;--warning-subtle:#2e2414;--danger:#ff8a80;--danger-subtle:#2f1615;
  --selection:#222b45;--focus-ring:rgba(124,156,255,.6);
  --shadow-sm:0 1px 2px rgba(0,0,0,.4);
  --shadow-md:0 1px 2px rgba(0,0,0,.4),0 6px 16px rgba(0,0,0,.4);
  --shadow-lg:0 2px 6px rgba(0,0,0,.4),0 16px 48px rgba(0,0,0,.55);
  --glow:rgba(63,102,230,.22)}}
:root[data-theme=dark]{
  color-scheme:dark;
  --page:#0b0c0f;--panel:#121317;--art:#0e0f12;
  --canvas:#0c0d10;--surface:#16171b;--surface-raised:#1d1f24;--surface-sunken:#121316;
  --border:#2a2c33;--border-strong:#3a3d45;
  --text:#eceef2;--text-secondary:#a3a7b1;--text-tertiary:#6f737d;
  --accent:#3f66e6;--accent-subtle:#1d2540;--accent-fg:#ffffff;--accent-text:#8ea8ff;
  --success:#6fd19c;--success-subtle:#15281e;--warning:#f0b95a;--warning-subtle:#2e2414;--danger:#ff8a80;--danger-subtle:#2f1615;
  --selection:#222b45;--focus-ring:rgba(124,156,255,.6);
  --shadow-sm:0 1px 2px rgba(0,0,0,.4);
  --shadow-md:0 1px 2px rgba(0,0,0,.4),0 6px 16px rgba(0,0,0,.4);
  --shadow-lg:0 2px 6px rgba(0,0,0,.4),0 16px 48px rgba(0,0,0,.55);
  --glow:rgba(63,102,230,.22)}
:root[data-theme=light]{color-scheme:light}

/* ---- Base ---- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{margin:0;background:var(--page);color:var(--text);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
h1,h2,h3,h4,p,ol,ul,dl,dd,figure{margin:0}
ol,ul{padding:0;list-style:none}
a{color:inherit;text-underline-offset:4px;text-decoration-thickness:1px}
button,textarea{font:inherit}
button{cursor:pointer}
a,button,summary,textarea{-webkit-tap-highlight-color:transparent}
:focus-visible{outline:2px solid var(--focus-ring);outline-offset:3px;border-radius:6px}
::selection{background:var(--selection)}
.mono{font-family:var(--font-mono);font-size:11px}
.sprite{position:absolute;width:0;height:0;overflow:hidden}
.icon{width:18px;height:18px;flex:none}
.icon--sm{width:12px;height:12px}
.skip{position:absolute;top:-100px;left:16px;background:var(--surface);color:var(--text);z-index:20;padding:10px 14px;border-radius:8px;border:1px solid var(--border)}
.skip:focus{top:10px}
.container{width:100%;max-width:calc(var(--container) + var(--gutter) * 2);margin:0 auto;padding:0 var(--gutter)}

/* ---- Brand and wordmark (the app's .brand: an ink square with a "y") ---- */
.wordmark{display:inline-flex;align-items:center;gap:10px;text-decoration:none;font-size:17px;font-weight:600;letter-spacing:-.02em}
.brand,.mark{display:grid;place-items:center;flex:none;width:28px;height:28px;border-radius:8px;background:#2f5bd3;color:#fff;font:600 15px/1 var(--font-sans);padding-bottom:2px}
.brand,.mark{padding-bottom:0}
.brand__mark{width:20px;height:20px;display:block}
.brand--lg .brand__mark{width:40px;height:40px}
.brand--lg{width:56px;height:56px;border-radius:14px;font-size:28px;box-shadow:var(--shadow-md)}

/* ---- Buttons: the app's .btn, with a larger size for the site ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:32px;padding:0 12px;border:1px solid var(--border);border-radius:var(--radius-control);
  background:var(--surface-raised);color:var(--text);font-size:13px;font-weight:500;line-height:1;white-space:nowrap;text-decoration:none;
  transition:background .12s var(--ease-out),border-color .12s var(--ease-out),color .12s var(--ease-out),box-shadow .12s var(--ease-out)}
.btn--primary{background:var(--accent);border-color:transparent;color:var(--accent-fg)}
a.btn--primary:hover{background:color-mix(in srgb,var(--accent) 88%,var(--text))}
.btn--secondary{border-color:var(--border-strong)}
a.btn--secondary:hover{background:var(--surface-sunken)}
.btn--quiet{background:transparent;border-color:transparent;color:var(--text-secondary)}
.btn--sm{height:24px;padding:0 8px;border-radius:var(--radius-row);font-size:12px;gap:4px}
.btn--lg{height:44px;padding:0 18px;border-radius:10px;font-size:15px}
.btn--lg.btn--primary{box-shadow:0 1px 2px rgba(20,22,30,.12),0 6px 20px -6px var(--accent)}
.btn--nav{height:34px;padding:0 14px;font-size:14px}

/* Sign-in pages keep their own button names. */
.button{display:inline-flex;justify-content:center;align-items:center;gap:10px;min-height:44px;padding:10px 18px;border:1px solid var(--accent);border-radius:10px;font-size:15px;font-weight:550;text-decoration:none;transition:opacity .15s,background-color .15s,border-color .15s}
.primary{background:var(--accent);color:var(--accent-ink)}
.primary:hover{opacity:.86}
.ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.ghost:hover{border-color:var(--muted)}

/* ---- Header ---- */
.site-header{position:sticky;top:0;z-index:10;background:color-mix(in srgb,var(--page) 82%,transparent);backdrop-filter:saturate(1.6) blur(14px);-webkit-backdrop-filter:saturate(1.6) blur(14px);border-bottom:1px solid color-mix(in srgb,var(--border) 70%,transparent)}
.site-header__inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.site-nav{display:flex;align-items:center;gap:6px}
.site-nav__link{padding:6px 10px;border-radius:8px;color:var(--text-secondary);font-size:14px;font-weight:500;text-decoration:none;transition:color .12s,background .12s}
.site-nav__link:hover{color:var(--text);background:var(--state-hover)}
.theme-toggle{display:grid;place-items:center;width:34px;height:34px;margin:0 6px 0 4px;padding:0;border:1px solid var(--border);border-radius:var(--radius-control);background:var(--panel);color:var(--text-secondary);transition:color .12s,border-color .12s}
.theme-toggle:hover{color:var(--text);border-color:var(--border-strong)}
.icon-sun{display:none}
:root[data-theme=dark] .icon-sun{display:block}
:root[data-theme=dark] .icon-moon{display:none}
@media(prefers-color-scheme:dark){:root:not([data-theme=light]) .icon-sun{display:block}:root:not([data-theme=light]) .icon-moon{display:none}}

/* ---- Shared section rhythm: one container, one heading scale, one panel ---- */
.section{padding:96px 0}
.section-head{max-width:680px;margin:0 auto 56px;text-align:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;color:var(--accent-text);font-size:13px;font-weight:500;letter-spacing:.01em}
h1{font-size:clamp(44px,7vw,80px);line-height:1.02;letter-spacing:-.045em;font-weight:600;text-wrap:balance}
h2{font-size:clamp(32px,4.4vw,48px);line-height:1.08;letter-spacing:-.035em;font-weight:600;text-wrap:balance}
.lead{margin-top:16px;color:var(--text-secondary);font-size:18px;line-height:1.55;text-wrap:pretty}
.fineprint{margin-top:18px;color:var(--text-tertiary);font-size:13px;line-height:1.5}
.actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:32px}
/* Under a Download button: what it needs and the dmg; after a click, what to do with the zip (main.js). */
.download-note{margin-top:12px;color:var(--text-tertiary);font-size:13px;line-height:1.5;text-align:center}
.download-note a{color:inherit;text-decoration:underline;text-underline-offset:2px}
.download-note a:hover{color:var(--text-secondary)}
.text-link{color:var(--accent-text);font-weight:500;text-decoration:none;white-space:nowrap}
.text-link::after{content:" →"}
.text-link:hover{text-decoration:underline}
.text-link--inline::after{content:none}

.panel{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius-panel);box-shadow:var(--shadow-sm);min-width:0}
.panel__text{padding:20px 24px 24px}
.panel__text h3,.panel__text h4{font-size:18px;line-height:1.3;letter-spacing:-.015em;font-weight:600}
.panel__text p{margin-top:6px;color:var(--text-secondary);font-size:15px;line-height:1.55}
.panel__text .step-label{margin:0 0 10px}
.art{display:grid;place-items:center;margin:8px 8px 0;padding:24px;min-height:248px;border:1px solid var(--border);border-radius:10px;background:var(--art);overflow:hidden;font-size:14px;line-height:1.5}
.step-label{display:flex;align-items:center;gap:8px;color:var(--text-secondary);font-size:13px;font-weight:500}
.step-label .icon{color:var(--accent-text)}
.step-num{display:grid;place-items:center;width:20px;height:20px;border-radius:50%;background:var(--accent-subtle);color:var(--accent-text);font-size:12px;font-weight:600}
.icon-tile{display:grid;place-items:center;flex:none;width:36px;height:36px;border-radius:10px;background:var(--accent-subtle);color:var(--accent-text)}

/* ---- App UI pieces. Each rule is the desktop app's own (yaptime-app packages/ui/src/components/<name>/<name>.css),
   with its tokens written out, so what the page draws is what the app draws. Only the app pieces' names are kept:
   .ui-section is the app's .section (this page's .section is a page band). ---- */
.hint{color:var(--text-tertiary);font-size:12px;line-height:1.5}
.spacer{flex:1}
.window .icon,.art .icon,.mode__art .icon{width:16px;height:16px}
.window .icon--sm,.art .icon--sm{width:12px;height:12px}
.spin{display:inline-block;flex:none;width:12px;height:12px;border-radius:var(--radius-full);border:2px solid var(--border-strong);border-top-color:var(--text-secondary);animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* Button (button.css) */
.btn .kbd{margin-right:-4px}
.btn--primary .kbd{color:color-mix(in srgb,var(--accent-fg) 80%,transparent);border-color:transparent;background:color-mix(in srgb,var(--accent-fg) 16%,transparent)}
button.btn--primary:hover{background:color-mix(in srgb,var(--accent) 88%,var(--text))}
button.btn--primary:active{background:color-mix(in srgb,var(--accent) 78%,var(--text))}
button.btn--secondary:hover{background:var(--surface-sunken)}
button.btn--secondary:active{background:var(--state-active)}
button.btn--quiet:hover{background:var(--state-hover);color:var(--text)}
button.btn--quiet:active{background:var(--state-active)}
.btn[disabled]{opacity:.45;cursor:default;pointer-events:none}
.btn--icon{width:32px;padding:0}
.btn--sm.btn--icon{width:24px}
.kbd{display:inline-flex;align-items:center;justify-content:center;flex:none;min-width:16px;height:16px;padding:0 4px;white-space:nowrap;font:500 11px/1 var(--font-mono);color:var(--text-tertiary);background:var(--surface-raised);border:1px solid var(--border-strong);border-radius:var(--radius-chip)}

/* Chip (chip.css) */
.chip{display:inline-flex;align-items:center;gap:4px;height:20px;padding:0 8px;max-width:100%;border:1px solid var(--border);border-radius:var(--radius-chip);
  background:var(--surface-sunken);color:var(--text-secondary);font-size:11px;font-weight:500;line-height:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chip--accent{background:var(--accent-subtle);border-color:transparent;color:var(--accent-text)}
.chip--success{background:var(--success-subtle);border-color:transparent;color:var(--success)}
.chip--warning{background:var(--warning-subtle);border-color:transparent;color:var(--warning)}
.chip--mono{font-family:var(--font-mono);font-weight:400}
.chip--agent svg{width:12px;height:12px;flex:none}
.chip--count{min-width:16px;height:16px;padding:0 4px;justify-content:center;border-radius:var(--radius-full);background:var(--text);color:var(--surface);border:0;font-variant-numeric:tabular-nums}
.chip__dot{width:6px;height:6px;border-radius:var(--radius-full);background:currentColor;flex:none}
.chips{display:flex;flex-wrap:wrap;gap:4px;align-items:center}

/* Avatar (avatar.css) */
.avatar{position:relative;display:inline-grid;place-items:center;flex:none;width:24px;height:24px;border-radius:var(--radius-row);background:var(--surface-sunken);border:1px solid var(--border);color:var(--text-secondary);font-size:11px;font-weight:600;line-height:1}
.avatar--sm{width:20px;height:20px;border-radius:var(--radius-chip)}
.avatar--me{background:var(--text);color:var(--surface);border-color:transparent}
.avatar__dot{position:absolute;right:-2px;bottom:-2px;width:8px;height:8px;border-radius:var(--radius-full);background:var(--text-tertiary);box-shadow:0 0 0 2px var(--surface)}
.avatar__dot--online{background:var(--success)}

/* Input (input.css) */
.input{display:flex;align-items:center;gap:8px;height:32px;padding:0 12px;min-width:0;border:1px solid var(--border-strong);border-radius:var(--radius-control);background:var(--surface-raised);color:var(--text);font-size:13px;text-align:left}
.input__placeholder{flex:1;min-width:0;color:var(--text-tertiary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.input--sm{height:24px;padding:0 8px;border-radius:var(--radius-row);font-size:12px}
.input--search{color:var(--text-tertiary)}
.input--textarea{height:auto;align-items:stretch;padding:8px 12px}
.input--textarea>textarea,.input__text{flex:1;min-width:0;min-height:72px;border:0;outline:0;background:none;padding:0;font:inherit;color:inherit;line-height:1.5;resize:vertical}
.input:focus-within{border-color:var(--accent);box-shadow:0 0 0 2px var(--focus-ring)}

/* Checkbox (controls.css), drawn as a span: these are pictures, not form fields */
.checkbox{display:inline-grid;place-items:center;flex:none;width:16px;height:16px;border:1px solid var(--border-strong);border-radius:var(--radius-chip);background:var(--surface-raised)}
.checkbox.is-checked{background:var(--accent);border-color:var(--accent)}
.checkbox.is-checked::after{content:"";width:4px;height:8px;margin-top:-2px;border:solid var(--accent-fg);border-width:0 2px 2px 0;transform:rotate(45deg)}
/* RadioCard (controls.css .choice), for the two agents */
.agents{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.choice{display:grid;grid-template-columns:auto 1fr;gap:4px 12px;align-items:center;padding:12px;border:1px solid var(--border);border-radius:var(--radius-control);background:var(--surface-raised);font-size:14px}
.choice__title{font-weight:500}
.choice__title--logo{display:inline-flex;align-items:center;gap:8px;grid-column:1/-1}
.choice__title--logo svg{width:16px;height:16px;flex:none}

/* ListRow and List (list.css) */
.list{display:grid;grid-auto-rows:max-content;border:1px solid var(--border);border-radius:var(--radius-control);background:var(--surface-raised);overflow:hidden}
.list>.row{border-radius:0;border-top:1px solid var(--border)}
.list>.row:first-child{border-top:0}
.row{display:flex;align-items:center;gap:8px;width:100%;min-width:0;min-height:32px;padding:0 12px;border:0;border-radius:var(--radius-row);background:none;color:var(--text-secondary);font:inherit;font-size:13px;text-align:left;
  transition:background .12s var(--ease-out),color .12s var(--ease-out)}
button.row{cursor:pointer}
button.row:hover{background:var(--state-hover);color:var(--text)}
.row.is-selected{background:var(--selection);color:var(--text)}
.row__body{display:grid;flex:1;min-width:0;line-height:1.3}
.row__title{color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.row__sub{color:var(--text-tertiary);font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.row__meta{display:flex;align-items:center;gap:8px;color:var(--text-tertiary);font-size:12px;flex:none}
.row--two-line{min-height:36px;padding-top:4px;padding-bottom:4px}
.list>.row--two-line{min-height:44px}
.row--rule{padding-top:4px;padding-bottom:4px}
.row--folder .row__sub{font-family:var(--font-mono);font-size:11px}
.rule__text{flex:1;min-width:0;padding:4px 0;color:var(--text);font-size:13px;line-height:1.3}
/* Section (section.css) */
.ui-section{display:grid;gap:12px}
.ui-section__title{font-size:12px;font-weight:500;color:var(--text-tertiary);line-height:1.5}

/* Message (message.css) */
.thread{display:grid;gap:12px;align-content:start}
.msg{display:grid;grid-template-columns:24px 1fr;column-gap:12px;min-width:0}
.msg__body{min-width:0;display:grid;gap:2px}
.msg__head{display:flex;align-items:baseline;gap:8px;font-size:12px;color:var(--text-tertiary);line-height:1.3}
.msg__name{color:var(--text);font-weight:600;font-size:13px}
.msg__text{white-space:pre-wrap;overflow-wrap:anywhere;font-size:14px;line-height:1.5;color:var(--text)}
/* An answer's light Markdown, as the app's MessageText renders it: paragraphs, lists, `code`. */
.msg__text>*+*{margin-top:8px}
.msg__text :is(ul,ol){margin:0;padding-left:1.4em}
.msg__text ul{list-style:disc}
.msg__text ol{list-style:decimal}
.msg__text>:is(p,pre)+:is(ul,ol){margin-top:4px}
.msg__text li+li{margin-top:2px}
.msg__text li::marker{color:var(--text-tertiary)}
.msg__text code{font-family:var(--font-mono);font-size:.9em;padding:0 .3em;border-radius:var(--radius-chip);background:var(--surface-sunken);border:1px solid var(--border)}
.msg__meta{display:flex;flex-wrap:wrap;gap:4px;margin-top:4px}
.msg--working{display:flex;align-items:center;gap:8px;padding-left:36px;font-size:13px;color:var(--text-tertiary)}

/* Attachment (attachment.css) */
.attach{display:flex;align-items:center;gap:8px;width:fit-content;max-width:100%;padding:8px 12px;border:1px solid var(--border);border-radius:var(--radius-control);background:var(--surface-raised);color:var(--text-tertiary)}
.attach__body{display:grid;min-width:0;line-height:1.3}
.attach__name{color:var(--text);font-size:13px;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.attach__sub{font-family:var(--font-mono);font-size:11px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* Card (card.css): the ask, draft, rule proposal and done cards */
.card{display:grid;gap:8px;padding:12px;border:1px solid var(--border-strong);border-radius:var(--radius-control);background:var(--surface-raised);box-shadow:var(--shadow-sm);min-width:0;text-align:left;font-size:14px;line-height:1.5}
.card__head{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:12px;color:var(--text-tertiary)}
.card__who{color:var(--text);font-weight:500;font-size:13px}
.card__quote{margin:0;padding-left:8px;border-left:2px solid var(--border-strong);color:var(--text-secondary);font-size:13px}
.card__title{font-weight:500}
.card__text{color:var(--text-secondary);font-size:13px}
.card__text strong{color:var(--text);font-weight:500}
.card__actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.card.is-done{padding:8px 12px;grid-template-columns:auto 1fr;align-items:center;column-gap:8px;background:var(--surface-sunken);box-shadow:none;border-color:var(--border);font-size:12px;color:var(--text-secondary)}


/* ---- Hero: a short headline row, then the app window, then the works-with strip ---- */
.hero{position:relative;padding:104px 0 0;overflow-x:clip}
.hero::before{content:"";position:absolute;inset:0 0 auto;height:900px;pointer-events:none;
  background:radial-gradient(56% 46% at 50% 0%,var(--glow),transparent 72%)}
.hero .container{position:relative}
.hero__copy{display:flex;flex-direction:column;align-items:center;text-align:center}
.hero h1{font-size:clamp(44px,6.4vw,80px);line-height:1;max-width:880px;margin:0 auto;text-wrap:balance}
.hero__side{display:flex;flex-direction:column;align-items:center}
.hero__side .lead{margin:28px auto 0;max-width:600px;font-size:19px}
.hero__side .actions{justify-content:center;margin-top:36px}
.hero__shot{margin-top:80px}
.hero__frame{padding:10px;border:1px solid var(--border);border-radius:22px;background:color-mix(in srgb,var(--panel) 55%,transparent);box-shadow:0 40px 100px -40px var(--glow)}
.caption{margin:28px auto 0;max-width:620px;text-align:center;color:var(--text-tertiary);font-size:13px}

/* The app window (layout.css): title bar, sidebar, pane, composer. Same sizes as the app; only the height is the page's. */
.window{display:grid;grid-template-rows:36px 1fr;height:600px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-window);box-shadow:var(--shadow-lg);overflow:hidden;text-align:left;font-size:14px;line-height:1.5;color:var(--text)}
.titlebar{position:relative;display:flex;align-items:center;min-height:36px;padding:0 12px;border-bottom:1px solid var(--border);background:var(--surface-sunken)}
.traffic{display:flex;gap:8px}
.traffic i{display:block;width:12px;height:12px;border-radius:var(--radius-full);background:#ff5f57}
.traffic i:nth-child(2){background:#febc2e}
.traffic i:nth-child(3){background:#28c840}
.titlebar__title{position:absolute;inset:0;display:grid;place-items:center;color:var(--text-tertiary);font-size:12px;pointer-events:none}
.app{display:grid;grid-template-columns:240px 1fr;min-height:0}
.sidebar{display:grid;grid-template-rows:auto auto 1fr auto;min-height:0;min-width:0;overflow:hidden;background:var(--surface-sunken);border-right:1px solid var(--border)}
.sidebar .row{min-height:28px;padding:0 8px}
.sidebar .row--two-line{min-height:40px}
.sidebar__top{padding:12px 12px 0}
.sidebar__top .row{min-height:32px}
.sidebar__search-slot{display:grid}
.sidebar__search{margin:12px 12px 16px;height:28px;padding:0 8px}
.sidebar__nav{display:grid;align-content:start;gap:2px;padding:0 12px 16px;overflow:hidden;min-height:0}
.sidebar__heading{display:flex;align-items:center;justify-content:space-between;height:24px;margin-top:14px;padding-left:8px;font-size:11px;font-weight:500;color:var(--text-tertiary)}
.sidebar__heading h2{font:inherit;letter-spacing:0;line-height:1.5}
.sidebar__foot{display:flex;align-items:center;height:56px;padding:0 12px;border-top:1px solid var(--border)}
.chat-list{display:grid;gap:2px}
.row__tag{display:none}
.chat-row:focus-visible,.attention-row:focus-visible{outline-offset:-2px}
.panes{display:grid;min-width:0;min-height:0}
.pane{--col-pad:max(24px,calc((100% - 720px) / 2));display:grid;grid-template-rows:auto 1fr auto;min-width:0;min-height:0}
.pane[hidden]{display:none}
.pane-head{display:flex;align-items:center;gap:12px;height:56px;padding:0 var(--col-pad);border-bottom:1px solid var(--border)}
.pane-head__titles{display:grid;min-width:0;line-height:1.3}
.pane-head__title{font-size:15px;font-weight:600}
.pane-head__sub{font-size:12px;color:var(--text-tertiary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pane-body{min-height:0;overflow:auto;padding:24px var(--col-pad)}
.composer{display:flex;align-items:center;height:56px;padding:0 var(--col-pad);border-top:1px solid var(--border)}
.composer__wrap{width:100%;display:flex;align-items:center;gap:8px}
.composer__input{flex:1}
.stack{display:grid;gap:8px;align-content:start;min-width:0}
.asks__clear{text-align:center;color:var(--text-tertiary);font-size:13px;padding:24px 0}
/* Messages arrive one by one (main.js). Before it runs, the first chat shows its question and the agent at work. */
.thread [hidden],.asks [hidden],.attention-row [hidden],.card [hidden]{display:none}
.js .pane[data-intro] [data-step]~[data-step]{display:none}
.js .pane[data-intro] [data-working]{display:flex}
.is-in{animation:arrive .42s var(--ease-out) both}
@keyframes arrive{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* ---- Works with: the requirements, said once near the top ---- */
.works{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:10px 22px;margin:44px auto 0;color:var(--text-secondary);font-size:14px}
.works__label{color:var(--text-tertiary);font-size:13px}
.works__item{display:inline-flex;align-items:center;gap:8px;color:var(--text);font-weight:500}
.works__item--text{color:var(--text-secondary);font-weight:400}
.works__mark{width:18px;height:18px;flex:none;color:var(--text)}
.works__sep{width:1px;height:18px;background:var(--border-strong)}

/* ---- Where it runs: a three-node flow ---- */
.flow{display:grid;grid-template-columns:minmax(0,1fr) 40px minmax(0,1fr) 40px minmax(0,1fr);align-items:stretch}
.flow__link{display:grid;justify-items:center;align-content:start;padding-top:117px;color:var(--text-tertiary)}
.flow__link .icon{width:30px;height:30px;padding:6px;border:1px solid var(--border);border-radius:50%;background:var(--panel);box-shadow:var(--shadow-sm);color:var(--accent-text)}
/* A small app window holding the Folders section. */
.window--mini{grid-template-rows:36px auto;height:auto;width:100%;max-width:300px;box-shadow:var(--shadow-md)}
.window__pad{padding:12px}
.engine{display:grid;gap:12px;width:100%;max-width:300px}
/* The check-in meter has no app component: it is drawn like the app's Stat (data.css), with a track in the app's tokens. */
.meter{display:grid;gap:8px;padding:12px;border:1px solid var(--border);border-radius:var(--radius-control);background:var(--surface-raised)}
.meter__head{display:flex;justify-content:space-between;font-size:12px;color:var(--text-tertiary);line-height:1.3}
.meter__num{color:var(--text);font-weight:500;font-variant-numeric:tabular-nums}
.meter__track{height:6px;border-radius:var(--radius-full);background:var(--border);overflow:hidden}
.meter__fill{display:block;width:48%;height:100%;border-radius:inherit;background:var(--accent)}
.art__note{display:flex;align-items:center;justify-content:center;gap:6px;margin-top:4px;color:var(--text-tertiary);font-size:12px}
.strip{display:flex;align-items:center;gap:16px;margin-top:20px;padding:18px 24px}
.strip p{color:var(--text-secondary);font-size:15px}
.strip strong{color:var(--text);font-weight:600}

/* ---- How it works ---- */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.step{display:grid;grid-template-rows:subgrid;grid-row:span 2;row-gap:0}
.step .art{min-height:300px;padding:20px 16px}
.ui-stack{display:grid;gap:12px;width:100%;max-width:340px}
.ui-stack--wide{max-width:440px}
.modes-head{margin:72px auto 24px;max-width:600px;text-align:center}
.modes-head h3{font-size:24px;line-height:1.25;letter-spacing:-.02em;font-weight:600}
.modes-head p{margin-top:8px;color:var(--text-secondary)}
.modes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.mode{display:grid;grid-template-rows:subgrid;grid-row:span 2;row-gap:0}
.mode__art{display:grid;grid-template-columns:minmax(0,1fr);justify-items:center;align-content:center;gap:18px;margin:8px 8px 0;padding:28px 24px;min-height:180px;border:1px solid var(--border);border-radius:10px;background:var(--art)}
.mode h4{display:flex;align-items:center;gap:8px}

/* ---- Security and privacy ---- */
.trust{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));overflow:hidden}
.trust__item{padding:32px;display:grid;grid-template-columns:36px 1fr;column-gap:18px;align-content:start}
.trust__item .icon-tile{grid-row:span 2}
.trust__item:nth-child(even){border-left:1px solid var(--border)}
.trust__item:nth-child(n+3){border-top:1px solid var(--border)}
.trust__item dt{margin-top:6px;font-size:18px;line-height:1.3;letter-spacing:-.015em;font-weight:600}
.trust__item dd{margin-top:6px;color:var(--text-secondary);font-size:15px}

/* ---- FAQ: one surface, single dividers, answers aligned with their questions ---- */
.faq{max-width:760px;margin:0 auto;border-top:1px solid var(--border)}
.faq details{border-bottom:1px solid var(--border)}
.faq summary{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:22px 4px;font-size:17px;font-weight:500;letter-spacing:-.01em;cursor:pointer;list-style:none;color:var(--text);transition:color .12s}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--accent-text)}
.faq summary:focus-visible{outline-offset:2px;border-radius:var(--radius-control)}
.faq summary::after{content:"";flex:none;width:8px;height:8px;margin:-4px 6px 0 0;border:solid var(--text-tertiary);border-width:0 1.6px 1.6px 0;transform:rotate(45deg);transition:transform .25s var(--ease-out),margin .25s var(--ease-out)}
.faq details[open] summary::after{transform:rotate(-135deg);margin-top:4px}
.faq__a{padding:0 48px 24px 4px}
.faq__a p{color:var(--text-secondary);font-size:15px;line-height:1.6;max-width:64ch}
.faq details[open] .faq__a{animation:arrive .3s var(--ease-out)}

/* ---- Closing ---- */
.section--closing{padding-top:24px}
.closing{position:relative;overflow:hidden;padding:72px 32px;text-align:center}
.closing::before{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(60% 80% at 50% 0%,var(--glow),transparent 70%)}
.closing>*{position:relative}
.closing .brand{margin:0 auto}
.closing h2{margin-top:24px}
.closing .lead{max-width:600px;margin-left:auto;margin-right:auto}
.closing .fineprint{max-width:600px;margin:22px auto 0}

/* ---- Footer ---- */
.site-footer{border-top:1px solid var(--border)}
.site-footer__inner{display:flex;align-items:center;gap:24px;padding-top:28px;padding-bottom:40px}
.site-footer .wordmark{font-size:15px}
.site-footer .brand{width:24px;height:24px;border-radius:7px;font-size:13px}
.site-footer p{flex:1;margin:0;font-size:13px;color:var(--text-tertiary)}
.site-footer__nav{display:flex;gap:22px;font-size:13px}
.site-footer__nav a{color:var(--text-secondary);text-decoration:none}
.site-footer__nav a:hover{color:var(--text)}

/* ---- Responsive ---- */
@media(max-width:1000px){
  .hero__copy{max-width:640px;margin:0 auto}
  .flow{grid-template-columns:minmax(0,1fr);gap:0}
  .flow__link{height:44px;padding-top:0;align-content:center}
  .flow__link .icon{transform:rotate(90deg)}
  .steps{grid-template-columns:minmax(0,1fr);max-width:560px;margin:0 auto}
  .app{grid-template-columns:216px 1fr}
}
@media(max-width:760px){
  :root{--gutter:20px}
  .section{padding:88px 0}
  .section--closing{padding-top:8px}
  .section-head{margin-bottom:40px}
  .site-nav__link{display:none}
  .hero{padding-top:56px}
  .hero__side .lead,.lead{font-size:17px}
  .hero__shot{margin-top:48px}
  .hero__frame{padding:6px;border-radius:16px}
  .window{height:auto}
  /* On phones the sidebar becomes a row of chat chips above the open chat, so every example is still one tap away.
     The pane takes the app's phone sizes (phones.css). */
  .app{grid-template-columns:minmax(0,1fr);grid-template-rows:auto auto}
  .sidebar{display:block;padding:10px 0;border-right:0;border-bottom:1px solid var(--border)}
  .sidebar__top,.sidebar__search-slot,.sidebar__foot,.sidebar__contacts{display:none}
  .sidebar__nav{display:grid;gap:8px;padding:0;overflow:visible}
  .sidebar .attention-row{margin:0 12px;width:auto}
  .sidebar__heading{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);margin:0;padding:0}
  .chat-list{display:flex;gap:6px;overflow-x:auto;padding:2px 12px;scrollbar-width:none;scroll-padding:0 12px}
  .chat-list::-webkit-scrollbar{display:none}
  .sidebar .chat-row{flex:none;width:auto;min-height:32px;padding:0 12px 0 6px;border:1px solid var(--border);border-radius:var(--radius-full);background:var(--surface-raised)}
  .sidebar .chat-row.is-selected{border-color:transparent;background:var(--selection)}
  .chat-row .avatar{border-radius:50%}
  .chat-row .row__sub{display:none}
  .chat-row .row__title{display:flex;align-items:center;gap:6px;overflow:visible}
  .row__tag{display:inline;color:var(--text-tertiary);font-weight:400}
  .chat-row .row__tag::before{content:"· "}
  .pane{--col-pad:16px}
  .pane-head{height:auto;min-height:56px;padding:8px var(--col-pad);gap:8px}
  .pane-head__titles{flex:1 1 0}
  .pane-body{min-height:300px}
  .msg--working{padding-left:0}
  .row--folder{flex-wrap:wrap;padding-top:8px;padding-bottom:8px}
  .row--folder .row__meta{width:100%;padding-left:24px}
  .modes,.trust{grid-template-columns:minmax(0,1fr)}
  .trust__item{padding:24px 20px}
  .trust__item:nth-child(even){border-left:0}
  .trust__item:nth-child(n+2){border-top:1px solid var(--border)}
  .art{padding:18px 14px;min-height:0}
  .step .art{min-height:0}
  .mode__art{padding:22px 14px;min-height:0}
  .modes-head{margin-top:56px}
  .works{gap:10px 18px}
  .works__sep{display:none}

  .faq summary{font-size:16px;padding:20px 2px}
  .faq__a{padding:0 24px 22px 2px}
  .strip{align-items:flex-start;padding:18px 20px}
  .closing{padding:56px 20px}
  .site-footer__inner{flex-wrap:wrap;gap:12px}
  .site-footer p{flex-basis:100%;order:2}
  .site-footer__nav{order:3}
}
@media(max-width:480px){
  .actions .btn--lg{flex:1}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}

/* Sign-in pages (src/auth/authorize.ts): same tokens, wordmark and buttons as the landing page. */
.auth{min-height:100vh;display:flex}.auth-wrap{width:100%;max-width:480px;margin:auto;padding:48px 16px 32px;display:flex;flex-direction:column;gap:28px}.auth-wrap>.wordmark{align-self:flex-start;font-size:26px}.auth-card{background:var(--surface);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);padding:32px}.auth h1{font-size:34px;letter-spacing:-1px;line-height:1.15;margin:0 0 18px}.auth p{font-size:14px;margin:0 0 16px}.auth-lead{font-size:15px!important;color:var(--muted)}.auth-lead strong,.auth-card strong{color:var(--ink);font-weight:650}.auth-form{display:flex;flex-direction:column;gap:4px}.auth-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}.auth-actions .button{flex:1;justify-content:center;background:var(--surface);color:var(--accent)}.auth-actions .button.primary{background:var(--accent);color:var(--accent-ink)}.auth-actions.stack{flex-direction:column;margin:4px 0 8px}.auth-actions.stack .button{justify-content:space-between}.field{display:flex;flex-direction:column;gap:6px;margin:8px 0 14px}.field label{font-size:13px;font-weight:650}.field input{font:inherit;font-size:16px;padding:12px 14px;min-height:48px;border:1px solid var(--line);border-radius:7px;background:var(--bg);color:var(--ink);width:100%}.field input::placeholder{color:var(--muted);opacity:.7}.field input:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-color:var(--accent)}.field .hint,.auth .hint{font-size:12px;color:var(--muted);margin:0}.field-error,.err{color:var(--error);font-size:13px!important;font-weight:550;margin:0}.auth-card>.err{margin-bottom:16px}.field.invalid input{border-color:var(--error);border-width:2px}.warn{background:var(--tint);border-left:3px solid var(--accent);padding:10px 14px;border-radius:4px}.dev-signin{border-top:1px dashed var(--line);padding-top:16px;margin-top:12px}.dev-signin .button{background:var(--surface);color:var(--accent);justify-content:center}.auth-foot{display:flex;gap:20px;font-size:12px;color:var(--muted);margin:0}.auth-foot a{color:var(--muted)}
@media(max-width:620px){.auth-wrap{padding:28px 16px 24px;gap:22px}.auth-card{padding:24px 18px;border-radius:12px}.auth h1{font-size:29px}.auth-actions{flex-direction:column}}
.provider-label{display:inline-flex;align-items:center;gap:10px}.provider-logo{flex:none;display:block}