:root {
  --ink: #201b2d;
  --night: #302b4d;
  --night-2: #3d365f;
  --cream: #fff4d8;
  --paper: #f8f3e8;
  --peach: #ff9f80;
  --coral: #f05d7a;
  --coral-text: #b52d4d;
  --mint: #66d7b0;
  --sky: #6ab7ff;
  --amber: #ffc857;
  --lavender: #b79cff;
  --white: #fffdf8;
  --muted: #6f6879;
  --line: rgba(32, 27, 45, .16);
  --shadow: 6px 6px 0 var(--ink);
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --sans: Inter, ui-rounded, "SF Pro Rounded", "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  line-height: 1.5;
  overflow-x: hidden;
}
button, textarea, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; }
button { color: inherit; }
::selection { background: var(--amber); color: var(--ink); }
:focus-visible { outline: 3px solid var(--sky); outline-offset: 4px; }

.skip-link {
  position: fixed; top: 8px; left: 8px; z-index: 1000; transform: translateY(-150%);
  background: var(--cream); border: 2px solid var(--ink); padding: 10px 14px; font: 700 12px var(--mono);
}
.skip-link:focus { transform: none; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

.site-header {
  position: sticky; top: 0; z-index: 100;
  height: 68px; padding: 0 clamp(20px, 4vw, 64px);
  display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 40px;
  background: rgba(255, 244, 216, .94); border-bottom: 2px solid var(--ink);
  backdrop-filter: blur(12px);
}
.brand { display: inline-flex; align-items: center; gap: 9px; text-decoration: none; font: 900 18px/1 var(--mono); letter-spacing: .14em; }
.brand small { color: var(--muted); font-size: 9px; letter-spacing: .12em; margin-left: 3px; }
.brand-pixel, .mini-brand > span {
  display: grid; place-items: center; width: 30px; height: 30px; color: var(--cream); background: var(--ink);
  box-shadow: 3px 3px 0 var(--coral); font: 900 16px var(--mono);
}
.site-header nav { justify-self: center; display: flex; gap: 28px; }
.site-header nav a { text-decoration: none; font: 700 11px var(--mono); letter-spacing: .06em; position: relative; }
.site-header nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -6px; height: 3px; background: var(--coral); transition: right .18s steps(3); }
.site-header nav a:hover::after { right: 0; }
.header-status { text-decoration: none; font: 700 10px var(--mono); padding: 8px 10px; border: 1px solid var(--ink); background: var(--white); }
.header-status span, .privacy-badge i, .runtime-pill i { display: inline-block; width: 7px; height: 7px; background: var(--mint); margin-right: 6px; box-shadow: 0 0 0 2px rgba(102, 215, 176, .2); }
.nav-toggle { display: none; }

.hero {
  min-height: calc(100vh - 68px); padding: clamp(64px, 9vw, 124px) clamp(24px, 7vw, 110px);
  display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr); align-items: center; gap: clamp(48px, 8vw, 120px);
  position: relative; overflow: hidden; background: var(--cream);
}
.hero::before {
  content: ""; position: absolute; inset: 0; opacity: .5; pointer-events: none;
  background-image: radial-gradient(var(--line) 1px, transparent 1px); background-size: 20px 20px;
  mask-image: linear-gradient(90deg, transparent, #000 45%, #000);
}
.hero-noise { position: absolute; width: 340px; height: 340px; right: -120px; top: -120px; background: var(--peach); transform: rotate(14deg); opacity: .3; }
.hero-copy, .hero-character { position: relative; z-index: 1; }
.eyebrow { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 28px; }
.eyebrow span, .kicker { font: 800 10px var(--mono); letter-spacing: .12em; }
.eyebrow span { padding: 7px 9px; border: 1px solid var(--ink); background: var(--white); box-shadow: 2px 2px 0 var(--ink); }
.eyebrow span:nth-child(2) { background: var(--mint); }
.eyebrow span:nth-child(3) { background: var(--lavender); }
h1, h2, h3, h4, p { margin-top: 0; }
h1 { max-width: 780px; margin-bottom: 24px; font-size: clamp(56px, 7.5vw, 112px); line-height: .88; letter-spacing: -.065em; font-weight: 950; }
h1 em, .closing h2 em { color: var(--coral); font-style: normal; text-shadow: 4px 4px 0 var(--ink); -webkit-text-stroke: 1px var(--ink); }
.hero-lede { max-width: 630px; margin-bottom: 32px; font-size: clamp(18px, 2vw, 23px); line-height: 1.55; color: #514b5d; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 48px; }
.button {
  display: inline-flex; justify-content: center; align-items: center; gap: 14px; min-height: 50px; padding: 0 21px;
  border: 2px solid var(--ink); text-decoration: none; font: 800 12px var(--mono); letter-spacing: .04em;
  box-shadow: 4px 4px 0 var(--ink); transition: transform .12s steps(2), box-shadow .12s steps(2);
}
.button:hover { transform: translate(2px, 2px); box-shadow: 2px 2px 0 var(--ink); }
.button.primary { background: var(--coral); color: var(--ink); }
.button.ghost { background: var(--white); }
.hero-specs { display: grid; grid-template-columns: repeat(3, 1fr); max-width: 650px; margin: 0; border-top: 2px solid var(--ink); }
.hero-specs div { padding: 15px 18px 0 0; }
.hero-specs dt { color: var(--muted); font: 700 9px var(--mono); letter-spacing: .1em; }
.hero-specs dd { margin: 5px 0 0; font-size: 13px; font-weight: 800; }

.hero-character { display: flex; flex-direction: column; align-items: center; justify-self: center; width: min(100%, 470px); }
.speech { align-self: flex-end; position: relative; width: min(310px, 85%); padding: 15px 18px; border: 3px solid var(--ink); background: var(--white); box-shadow: 5px 5px 0 var(--ink); }
.speech::after { content: ""; position: absolute; left: 32px; bottom: -14px; width: 18px; height: 18px; background: var(--white); border-right: 3px solid var(--ink); border-bottom: 3px solid var(--ink); transform: rotate(45deg); }
.speech strong { display: block; font-size: 14px; }
.speech span { display: block; margin-top: 5px; color: var(--muted); font: 800 9px var(--mono); letter-spacing: .12em; }
.sprite-stage {
  position: relative; display: grid; place-items: center; width: min(420px, 92vw); aspect-ratio: 1; margin-top: 8px;
  border: 3px solid var(--ink); background: var(--night); overflow: hidden; box-shadow: 9px 9px 0 var(--peach);
  background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 16px 16px;
}
.sprite-stage::before { content: "BITZI // 00"; position: absolute; left: 13px; top: 11px; color: rgba(255,255,255,.55); font: 700 8px var(--mono); letter-spacing: .12em; }
.sprite-stage::after { content: "LOCAL"; position: absolute; right: 12px; bottom: 10px; color: var(--mint); font: 700 8px var(--mono); letter-spacing: .1em; }
#bit-canvas { width: 75%; height: 75%; image-rendering: pixelated; image-rendering: crisp-edges; position: relative; z-index: 2; filter: drop-shadow(8px 10px 0 rgba(13, 10, 24, .45)); }
.stage-shadow { position: absolute; z-index: 1; bottom: 16%; width: 42%; height: 7%; background: rgba(12, 9, 21, .45); transform: skewX(-18deg); }
.pixel-stars i { position: absolute; width: 5px; height: 5px; background: var(--amber); animation: twinkle 1.5s steps(2) infinite; }
.pixel-stars i:nth-child(1) { left: 12%; top: 20%; }
.pixel-stars i:nth-child(2) { right: 15%; top: 26%; background: var(--sky); animation-delay: .2s; }
.pixel-stars i:nth-child(3) { left: 20%; bottom: 24%; width: 3px; height: 3px; background: var(--lavender); animation-delay: .5s; }
.pixel-stars i:nth-child(4) { right: 20%; bottom: 32%; width: 4px; height: 4px; background: var(--mint); animation-delay: .8s; }
.state-controls { width: 100%; display: grid; grid-template-columns: repeat(6, 1fr); gap: 5px; margin-top: 18px; }
.state-button, .export-sprite { min-height: 44px; border: 1px solid var(--ink); background: var(--white); padding: 9px 4px; cursor: pointer; font: 750 9px var(--mono); text-transform: uppercase; }
.state-button:hover, .state-button.active { color: var(--white); background: var(--ink); }
.export-sprite { align-self: flex-end; margin-top: 8px; border: 0; border-bottom: 1px solid currentColor; background: transparent; padding: 5px 1px; color: var(--muted); }
.export-sprite:hover { color: var(--coral-text); }

.ticker { display: grid; grid-template-columns: repeat(4, 1fr); border-block: 2px solid var(--ink); background: var(--amber); }
.ticker div { padding: 14px 18px; border-right: 1px solid var(--ink); text-align: center; font: 800 10px var(--mono); letter-spacing: .07em; }
.ticker div:last-child { border: 0; }
.ticker span { opacity: .55; margin-right: 8px; }

.section { padding: clamp(76px, 10vw, 140px) clamp(24px, 7vw, 110px); }
.section-heading { max-width: 760px; margin-bottom: 58px; }
.section-heading .kicker, .closing .kicker { color: var(--coral-text); margin-bottom: 18px; }
.section-heading.light .kicker, .closing .kicker { color: var(--coral); }
.section-heading h2, .closing h2 { margin-bottom: 22px; font-size: clamp(42px, 5.4vw, 76px); line-height: .98; letter-spacing: -.05em; }
.section-heading > p:last-child { max-width: 650px; color: var(--muted); font-size: 18px; }
.section-heading.light { color: var(--cream); }
.section-heading.light > p:last-child { color: rgba(255, 244, 216, .7); }

.workbench-section { background: var(--night); position: relative; overflow: hidden; }
.workbench-section::before { content: ""; position: absolute; inset: 0; opacity: .1; background-image: radial-gradient(var(--cream) 1px, transparent 1px); background-size: 18px 18px; }
.workbench-section > * { position: relative; z-index: 1; }
.app-window { border: 3px solid var(--ink); background: var(--white); box-shadow: 10px 10px 0 var(--peach); overflow: hidden; }
.window-bar { height: 48px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; padding: 0 16px; color: var(--cream); background: var(--ink); font: 700 10px var(--mono); letter-spacing: .1em; }
.window-dots { display: flex; gap: 6px; }
.window-dots i { width: 10px; height: 10px; background: var(--coral); }
.window-dots i:nth-child(2) { background: var(--amber); }
.window-dots i:nth-child(3) { background: var(--mint); }
.runtime-pill { justify-self: end; padding: 7px 9px; background: var(--night); font-size: 8px; }
.runtime-pill i.no { background: var(--coral); }
.app-layout { display: grid; grid-template-columns: 210px minmax(0, 1fr); min-height: 720px; }
.app-sidebar { padding: 22px 16px; display: flex; flex-direction: column; background: #ebe4d8; border-right: 2px solid var(--ink); }
.mini-brand { display: flex; align-items: center; gap: 10px; margin: 0 6px 30px; }
.mini-brand > span { width: 27px; height: 27px; }
.mini-brand strong { font: 900 20px var(--mono); }
.app-sidebar nav { display: grid; gap: 6px; }
.app-nav { width: 100%; display: grid; grid-template-columns: 30px 1fr auto; align-items: center; gap: 7px; padding: 9px; border: 0; background: transparent; text-align: left; cursor: pointer; }
.app-nav b { display: grid; place-items: center; height: 28px; border: 1px solid rgba(32,27,45,.25); font: 700 8px var(--mono); }
.app-nav span { font-size: 12px; font-weight: 750; }
.app-nav em { display: grid; place-items: center; width: 20px; height: 20px; background: var(--peach); font: normal 700 8px var(--mono); }
.app-nav:hover, .app-nav.active { color: var(--cream); background: var(--ink); }
.model-card { margin-top: auto; padding: 13px; border: 2px solid var(--ink); background: var(--cream); box-shadow: 3px 3px 0 var(--ink); }
.model-card > span { display: block; color: var(--muted); font: 700 8px var(--mono); }
.model-card strong { display: block; margin: 5px 0 2px; font-size: 12px; }
.model-card small { display: block; color: var(--muted); font-size: 9px; }
.context-control { margin-top: 10px; padding-top: 9px; border-top: 1px solid rgba(32,27,45,.18); }
.context-control label { display: flex; justify-content: space-between; gap: 8px; color: var(--muted); font: 700 7px var(--mono); letter-spacing: .06em; }
.context-control output { color: var(--ink); font-weight: 900; }
.context-control input[type="range"] { position: static; width: 100%; height: 24px; margin: 3px 0 0; opacity: 1; accent-color: var(--coral); cursor: pointer; }
.context-control input:disabled { cursor: not-allowed; opacity: .5; }
.context-scale { display: flex; justify-content: space-between; margin-top: -2px; color: var(--muted); font: 700 6px var(--mono); letter-spacing: .04em; }
.model-card .context-control small { min-height: 22px; margin-top: 1px; font-size: 7px; line-height: 1.35; }
.meter { height: 5px; margin-top: 10px; background: rgba(32,27,45,.12); }
.meter i { display: block; width: 42%; height: 100%; background: var(--lavender); }
.model-card .meter i { width: 0; transition: width .2s linear; }
.model-card button { width: 100%; min-height: 44px; margin-top: 10px; padding: 8px 6px; border: 1px solid var(--ink); background: var(--coral); color: var(--ink); cursor: pointer; font: 800 8px var(--mono); }
.model-card button:hover { background: var(--ink); }
.model-card button:disabled { cursor: wait; opacity: .68; }
.model-card.ready { background: var(--mint); }
.model-card.failed { background: #ffd1c1; }
.work-area { min-width: 0; padding: clamp(22px, 4vw, 50px); background: var(--paper); }
.work-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 20px; margin-bottom: 26px; }
.job-id { display: block; color: var(--coral-text); margin-bottom: 6px; font: 700 9px var(--mono); letter-spacing: .1em; }
.work-header h3 { margin: 0; font-size: clamp(24px, 3vw, 38px); letter-spacing: -.035em; }
.privacy-badge { padding: 8px 10px; border: 1px solid var(--ink); background: var(--white); white-space: nowrap; font: 700 8px var(--mono); }
.prompt-presets { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 12px; }
.prompt-presets button { min-height: 44px; border: 1px solid var(--line); background: var(--white); padding: 7px 10px; cursor: pointer; color: var(--muted); font: 700 9px var(--mono); }
.prompt-presets button:hover { border-color: var(--ink); color: var(--ink); background: var(--amber); }
.prompt-box { border: 2px solid var(--ink); background: var(--white); box-shadow: 5px 5px 0 rgba(32,27,45,.12); }
.prompt-box:focus-within { box-shadow: 5px 5px 0 var(--lavender); }
.prompt-box textarea { width: 100%; min-height: 105px; resize: vertical; padding: 17px; border: 0; outline: 0; background: transparent; color: var(--ink); font-size: 15px; }
.prompt-footer { min-height: 50px; display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 7px; border-top: 1px solid var(--line); }
.tool-toggles { display: flex; flex-wrap: wrap; gap: 6px; }
.tool-toggles label { cursor: pointer; }
.tool-toggles input { position: absolute; opacity: 0; }
.tool-toggles span { min-height: 44px; display:flex;align-items:center;padding:6px 10px;border:1px solid var(--line);color:var(--muted);font:700 8px var(--mono); }
.tool-toggles input:checked + span { border-color: var(--ink); background: var(--mint); color: var(--ink); }
.tool-toggles input:focus-visible + span { outline: 3px solid var(--sky); outline-offset: 2px; }
.tool-toggles .file-picker span { border-color: var(--ink); background: var(--amber); color: var(--ink); }
.tool-toggles .file-picker:hover span { background: var(--mint); }
.send-job { min-height: 44px; padding: 0 15px; border: 2px solid var(--ink); background: var(--coral); color: var(--ink); cursor: pointer; box-shadow: 2px 2px 0 var(--ink); font: 800 9px var(--mono); }
.send-job:hover { transform: translate(1px,1px); box-shadow: 1px 1px 0 var(--ink); }
.job-board { margin-top: 28px; min-height: 240px; border: 1px solid var(--line); background: rgba(255,255,255,.55); }
.job-empty { min-height: 240px; display: grid; place-items: center; align-content: center; text-align: center; padding: 30px; }
.job-empty .empty-pixel { display: grid; place-items: center; width: 42px; height: 42px; margin-bottom: 12px; border: 2px dashed var(--muted); color: var(--muted); font: 800 22px var(--mono); }
.job-empty strong { font-size: 14px; }
.job-empty p { max-width: 410px; margin: 5px 0 0; color: var(--muted); font-size: 12px; }
.job-active { padding: 20px; }
.job-title-row { display: flex; justify-content: space-between; gap: 20px; }
.job-title-row span, .artifact > span { color: var(--coral-text); font: 700 8px var(--mono); letter-spacing: .1em; }
.job-title-row h4 { margin: 4px 0 0; font-size: 16px; }
.job-title-row button { align-self: flex-start; border: 1px solid var(--ink); background: var(--white); padding: 6px 9px; cursor: pointer; font: 700 8px var(--mono); }
.job-progress { height: 7px; margin: 16px 0 18px; background: #ded8ce; border: 1px solid var(--ink); }
.job-progress i { display: block; height: 100%; width: 0; background: var(--lavender); transition: width .25s steps(4); }
.timeline { display: grid; gap: 8px; margin: 0; padding: 0; list-style: none; }
.timeline li { display: grid; grid-template-columns: 20px 1fr auto; gap: 9px; align-items: center; padding: 9px; border: 1px solid var(--line); background: var(--white); font-size: 11px; }
.timeline li i { width: 10px; height: 10px; background: #d6d0c6; }
.timeline li.running i { background: var(--amber); animation: blink .6s steps(2) infinite; }
.timeline li.done i { background: var(--mint); }
.timeline li.stopped i { background: var(--coral); }
.timeline li b { font: 700 8px var(--mono); }
.timeline li em { color: var(--muted); font: normal 700 8px var(--mono); }
.artifact { margin-top: 14px; padding: 13px; display: grid; grid-template-columns: 1fr auto; align-items: center; border: 2px solid var(--ink); background: var(--mint); }
.artifact > span { grid-column: 1 / -1; color: var(--ink); opacity: .6; }
.artifact strong { font: 800 11px var(--mono); }
.artifact button { border: 1px solid var(--ink); background: var(--cream); padding: 7px; cursor: pointer; font: 700 8px var(--mono); }

/* Conversation workspace */
.chat-shell { min-width: 0; display: grid; grid-template-columns: 190px minmax(0, 1fr); background: var(--paper); }
.chat-history { min-width: 0; padding: 20px 12px; display: flex; flex-direction: column; gap: 7px; border-right: 1px solid var(--line); background: #f4eee3; }
.new-chat { min-height:44px;display:flex;align-items:center;gap:9px;width:100%;padding:10px;border:2px solid var(--ink);background:var(--white);box-shadow:2px 2px 0 var(--ink);cursor:pointer;font:800 9px var(--mono); }
.new-chat span { display: grid; place-items: center; width: 20px; height: 20px; color: var(--ink); background: var(--coral); }
.chat-history > p { margin: 18px 8px 3px; color: var(--muted); font: 700 8px var(--mono); letter-spacing: .12em; }
.history-item { width: 100%; padding: 10px; border: 1px solid transparent; background: transparent; text-align: left; cursor: pointer; }
.history-item b, .history-item small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.history-item b { font-size: 10px; }
.history-item small { margin-top: 3px; color: var(--muted); font-size: 8px; }
.history-item:hover, .history-item.active { border-color: var(--line); background: var(--white); }
.history-item.active { box-shadow: inset 3px 0 0 var(--coral); }
.history-note { margin-top: auto; display: flex; gap: 8px; align-items: flex-start; padding: 10px; color: var(--muted); font-size: 9px; }
.history-note i { flex: 0 0 auto; width: 7px; height: 7px; margin-top: 3px; background: var(--mint); }
.chat-shell .work-area { min-height: 720px; padding: 0; display: grid; grid-template-rows: auto minmax(330px, 1fr) auto auto; }
.chat-header { margin: 0; padding: 20px clamp(18px, 3vw, 34px); border-bottom: 1px solid var(--line); background: rgba(255,255,255,.7); }
.chat-header h3 { font-size: clamp(20px, 2.2vw, 29px); }
.chat-header-actions { display: flex; align-items: center; gap: 7px; }
.fullscreen-chat-link, .clear-chat-button { min-height:44px;padding:8px 10px;display:inline-flex;align-items:center;border:1px solid var(--ink);background:var(--white);color:var(--ink);text-decoration:none;white-space:nowrap;cursor:pointer;font:700 8px var(--mono); }
.fullscreen-chat-link { background: var(--amber); }
.fullscreen-chat-link:hover, .clear-chat-button:hover { color: var(--white); background: var(--ink); }
.chat-feed { min-height: 390px; max-height: 610px; overflow-y: auto; padding: 28px clamp(18px, 4vw, 52px); scroll-behavior: smooth; }
.chat-welcome { max-width: 610px; margin: 42px auto; text-align: center; }
.chat-bit-mark, .message-avatar { display: grid; place-items: center; color: var(--cream); background: var(--ink); box-shadow: 3px 3px 0 var(--coral); font: 900 14px var(--mono); }
.chat-bit-mark { width: 48px; height: 48px; margin: 0 auto 18px; font-size: 22px; }
.chat-welcome h4 { margin-bottom: 8px; font-size: 25px; }
.chat-welcome > p { max-width: 500px; margin: 0 auto 22px; color: var(--muted); font-size: 13px; }
.chat-welcome .prompt-presets { justify-content: center; }
.chat-message { max-width: 760px; margin: 0 auto 24px; display: grid; grid-template-columns: 34px minmax(0,1fr); gap: 12px; align-items: start; }
.chat-message.user { grid-template-columns: minmax(0,1fr) 34px; }
.chat-message.user .message-avatar { grid-column: 2; background: var(--lavender); color: var(--ink); box-shadow: 2px 2px 0 var(--ink); }
.chat-message.user .message-body { grid-column: 1; grid-row: 1; justify-self: end; width: min(90%, 600px); padding: 13px 15px; border: 1px solid var(--line); background: var(--white); }
.message-avatar { width: 31px; height: 31px; font-size: 11px; }
.message-body { min-width: 0; font-size: 13px; }
.message-body > p { margin: 2px 0 10px; white-space: pre-wrap; }
.message-meta { display: block; margin-bottom: 7px; color: var(--muted); font: 700 8px var(--mono); letter-spacing: .08em; }
.thinking-dots { display: flex; gap: 4px; padding: 9px 0; }
.thinking-dots i { width: 7px; height: 7px; background: var(--lavender); animation: blink .8s steps(2) infinite; }
.thinking-dots i:nth-child(2) { animation-delay: .15s; }
.thinking-dots i:nth-child(3) { animation-delay: .3s; }
.tool-call { margin: 10px 0 12px; border: 1px solid var(--ink); background: var(--white); box-shadow: 3px 3px 0 rgba(32,27,45,.12); }
.tool-call summary { display: grid; grid-template-columns: 25px 1fr auto; gap: 8px; align-items: center; padding: 9px 11px; cursor: pointer; list-style: none; font-size: 10px; font-weight: 800; }
.tool-call summary::-webkit-details-marker { display: none; }
.tool-call summary b { display: grid; place-items: center; height: 24px; color: var(--ink); background: var(--amber); font: 800 8px var(--mono); }
.tool-call summary em { color: var(--muted); font: normal 700 8px var(--mono); }
.tool-call.search.done summary b { background: var(--sky); }
.tool-call.python summary b { background: var(--amber); }
.tool-call.files summary b { background: var(--mint); }
.tool-detail { padding: 10px 12px 12px 44px; border-top: 1px solid var(--line); color: var(--muted); font: 9px/1.6 var(--mono); word-break: break-word; }
.tool-detail code { color: var(--ink); }
.answer-copy { line-height: 1.65; }
.answer-copy strong { color: var(--coral-text); }
.source-list { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 13px; }
.source-chip { max-width:100%;min-height:44px;padding:6px 10px;display:inline-flex;align-items:center;border:1px solid var(--line);background:var(--cream);text-decoration:none;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font:700 8px var(--mono); }
.source-chip:hover { border-color: var(--ink); background: var(--sky); }
.answer-actions { display: flex; gap: 6px; margin-top: 12px; }
.answer-actions button { min-height:44px;border:1px solid var(--line);background:transparent;padding:7px 10px;color:var(--muted);cursor:pointer;font:700 8px var(--mono); }
.answer-actions button:hover { color: var(--ink); border-color: var(--ink); }
.chat-composer { margin: 0 clamp(18px, 4vw, 52px); box-shadow: 4px 4px 0 rgba(32,27,45,.16); }
.chat-composer textarea { min-height: 66px; max-height: 180px; }
.attachment-tray { display: flex; flex-wrap: wrap; gap: 6px; padding: 7px 10px; border-top: 1px solid var(--line); background: var(--cream); }
.attachment-tray[hidden] { display: none; }
.attachment-chip { min-height: 36px; max-width: 100%; padding: 6px 9px; border: 1px solid var(--ink); background: var(--white); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; cursor: pointer; font: 700 8px var(--mono); }
.attachment-chip:hover { background: var(--coral); }
.attachment-note { flex-basis: 100%; color: var(--coral-text); font: 700 8px/1.4 var(--mono); }
.composer-note { margin: 8px clamp(18px, 4vw, 52px) 16px; color: var(--muted); text-align: center; font-size: 8px; }
.send-job:disabled { cursor: wait; filter: grayscale(.4); opacity: .7; }

.features-section { background: var(--paper); }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature-card { position: relative; min-height: 310px; padding: 25px; border: 2px solid var(--ink); box-shadow: 5px 5px 0 var(--ink); overflow: hidden; }
.feature-card::after { content: ""; position: absolute; width: 80px; height: 80px; right: -42px; bottom: -42px; border: 2px solid var(--ink); transform: rotate(45deg); opacity: .18; }
.feature-card > span { position: absolute; right: 18px; top: 16px; font: 800 10px var(--mono); opacity: .55; }
.tool-icon { display: grid; place-items: center; width: 48px; height: 48px; margin-bottom: 55px; border: 2px solid var(--ink); background: var(--cream); box-shadow: 3px 3px 0 var(--ink); font: 900 13px var(--mono); }
.feature-card h3 { font-size: 22px; line-height: 1.05; letter-spacing: -.03em; }
.feature-card p { margin-bottom: 0; font-size: 14px; color: rgba(32,27,45,.72); }
.feature-card.coral { background: #ffd1c1; }
.feature-card.sky { background: #cce7ff; }
.feature-card.amber { background: #ffe6a0; }
.feature-card.mint { background: #c9f0e2; }
.feature-card.lavender { background: #ddd2ff; }
.feature-card.cream { background: var(--cream); }

.architecture-section { background: var(--ink); color: var(--cream); }
.architecture-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: clamp(40px, 8vw, 110px); align-items: center; }
.architecture-flow { padding: clamp(22px, 4vw, 48px); border: 2px solid rgba(255,244,216,.35); background: var(--night); box-shadow: 8px 8px 0 var(--coral); }
.flow-node { display: grid; grid-template-columns: 46px 1fr; padding: 16px; border: 2px solid var(--cream); background: var(--ink); }
.flow-node > span { grid-row: span 2; display: grid; place-items: center; width: 32px; height: 32px; color: var(--ink); background: var(--amber); font: 800 10px var(--mono); }
.flow-node strong { font: 900 19px var(--mono); letter-spacing: .1em; }
.flow-node small { color: rgba(255,244,216,.65); }
.flow-node.bit { background: var(--coral); color: var(--ink); }
.flow-node.bit > span { background: var(--mint); }
.flow-node.bit small { color: rgba(32,27,45,.78); }
.flow-line { height: 70px; display: grid; place-items: center; position: relative; }
.flow-line i { width: 2px; height: 100%; background: var(--cream); }
.flow-line b { position: absolute; padding: 4px 7px; color: var(--ink); background: var(--mint); font: 700 8px var(--mono); }
.flow-split { height: 60px; display: flex; justify-content: space-around; position: relative; }
.flow-split::before { content: ""; position: absolute; left: 16.6%; right: 16.6%; top: 28px; height: 2px; background: var(--cream); }
.flow-split i { width: 2px; height: 60px; background: var(--cream); }
.flow-tools { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.flow-tools div { padding: 12px 7px; border: 2px solid var(--cream); text-align: center; background: var(--ink); }
.flow-tools b { display: block; margin-bottom: 4px; color: var(--amber); font: 900 15px var(--mono); }
.flow-tools span { font: 700 7px var(--mono); }
.privacy-list { display: grid; gap: 25px; }
.privacy-list article { padding-bottom: 25px; border-bottom: 1px solid rgba(255,244,216,.22); }
.privacy-list article:last-child { border: 0; }
.privacy-list span { color: var(--mint); font: 800 9px var(--mono); letter-spacing: .1em; }
.privacy-list h3 { margin: 8px 0; font-size: 21px; }
.privacy-list p { margin: 0; color: rgba(255,244,216,.62); font-size: 14px; }

.device-section { background: var(--cream); }
.device-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; align-items: stretch; }
.device-card { padding: 27px; border: 2px solid var(--ink); background: var(--white); box-shadow: 5px 5px 0 var(--ink); }
.device-card.featured { background: var(--mint); transform: translateY(-12px); }
.device-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 48px; }
.device-top span { font: 800 9px var(--mono); letter-spacing: .1em; }
.device-top b { display: grid; place-items: center; width: 46px; height: 46px; color: var(--cream); background: var(--ink); font: 800 9px var(--mono); }
.device-card h3 { font-size: 28px; margin-bottom: 10px; }
.device-card p { color: var(--muted); font-size: 14px; }
.device-card ul { list-style: none; padding: 18px 0 0; margin: 22px 0 0; border-top: 1px solid var(--line); }
.device-card li { padding: 7px 0 7px 18px; position: relative; font-size: 12px; font-weight: 700; }
.device-card li::before { content: ""; position: absolute; left: 0; top: 13px; width: 7px; height: 7px; background: var(--coral); }

.roadmap-section { background: var(--paper); border-top: 2px solid var(--ink); }
.roadmap-layout { display: grid; grid-template-columns: .75fr 1.25fr; gap: clamp(50px, 9vw, 140px); }
.text-link { display: inline-block; margin-top: 10px; color: var(--coral-text); font: 800 11px var(--mono); text-underline-offset: 5px; }
.roadmap-list { margin: 0; padding: 0; list-style: none; border-top: 2px solid var(--ink); }
.roadmap-list li { display: grid; grid-template-columns: 70px 1fr; gap: 15px; padding: 26px 0; border-bottom: 1px solid var(--line); }
.roadmap-list > li > span { font: 900 30px var(--mono); color: #c9c1b6; }
.roadmap-list li.current > span { color: var(--coral-text); }
.roadmap-list small { display: inline-block; padding: 4px 7px; color: var(--cream); background: var(--ink); font: 700 8px var(--mono); }
.roadmap-list li.current small { color: var(--ink); background: var(--mint); }
.roadmap-list h3 { margin: 9px 0 5px; font-size: 21px; }
.roadmap-list p { margin: 0; color: var(--muted); font-size: 13px; }

.closing { padding: clamp(90px, 13vw, 180px) 24px; text-align: center; position: relative; overflow: hidden; color: var(--cream); background: var(--night); }
.closing::before, .closing::after { content: ""; position: absolute; width: 220px; height: 220px; border: 3px solid var(--peach); transform: rotate(45deg); opacity: .3; }
.closing::before { left: -130px; top: 20%; }
.closing::after { right: -130px; bottom: 15%; border-color: var(--mint); }
.closing h2 { font-size: clamp(66px, 10vw, 132px); }
.closing p:not(.kicker) { max-width: 610px; margin: 0 auto 32px; color: rgba(255,244,216,.68); font-size: 18px; }
.closing .button { position: relative; z-index: 1; }
footer { min-height: 110px; padding: 28px clamp(24px, 7vw, 110px); display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 30px; border-top: 2px solid var(--ink); background: var(--cream); }
footer p { margin: 0; text-align: center; color: var(--muted); font-size: 11px; }
footer > div:last-child { display: flex; gap: 14px; font: 700 9px var(--mono); }

/* Public information pages */
.static-header .info-back { grid-column:3;justify-self:end;min-height:44px;padding-inline:16px;box-shadow:2px 2px 0 var(--ink);font-size:9px; }
.info-main { background:var(--paper); }
.info-main.narrow { --info-width:850px; }
.info-hero { padding:clamp(74px,10vw,130px) clamp(22px,8vw,120px);background:var(--cream);border-bottom:2px solid var(--ink); }
.info-hero > * { max-width:var(--info-width,980px);margin-left:auto;margin-right:auto; }
.info-hero h1 { max-width:var(--info-width,980px);font-size:clamp(52px,8vw,104px); }
.info-hero > p:last-child { margin-bottom:0;color:#514b5d;font-size:clamp(17px,2vw,22px);line-height:1.6; }
.info-grid { padding:clamp(56px,8vw,110px) clamp(22px,8vw,120px);display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px; }
.info-grid article { min-height:260px;padding:28px;border:2px solid var(--ink);background:var(--white);box-shadow:5px 5px 0 var(--ink); }
.info-grid article:nth-child(2) { background:#c9f0e2; }
.info-grid article:nth-child(3) { background:#cce7ff; }
.info-grid article:nth-child(4) { background:#ffe6a0; }
.info-grid article > span { color:var(--coral-text);font:900 28px var(--mono); }
.info-grid h2 { margin:40px 0 10px;font-size:25px;line-height:1.05; }
.info-grid p { margin:0;color:#514b5d;font-size:14px; }
.info-status { max-width:900px;margin:0 auto;padding:20px 22px clamp(80px,10vw,130px); }
.info-status .kicker { color:var(--coral-text); }
.info-status h2 { margin:44px 0 14px;font-size:clamp(32px,4vw,50px); }
.info-status ul { margin:0;padding:0;list-style:none;border-top:2px solid var(--ink); }
.info-status li { position:relative;padding:14px 12px 14px 34px;border-bottom:1px solid var(--line);font-weight:700; }
.info-status li::before { content:"";position:absolute;left:10px;top:21px;width:8px;height:8px;background:var(--mint);border:1px solid var(--ink); }
.privacy-list-page { max-width:850px;margin:0 auto;padding:clamp(54px,8vw,100px) 22px; }
.privacy-list-page article { padding:28px 0;border-bottom:1px solid var(--line); }
.privacy-list-page article:first-child { padding-top:0; }
.privacy-list-page h2 { margin:0 0 8px;font-size:clamp(24px,3vw,34px); }
.privacy-list-page p { max-width:720px;margin:0;color:#514b5d;font-size:16px;line-height:1.7; }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .55s ease, transform .55s ease; }
.reveal.visible { opacity: 1; transform: none; }
.delay-1 { transition-delay: .09s; }
.delay-2 { transition-delay: .18s; }

@keyframes twinkle { 50% { opacity: .25; transform: translateY(2px); } }
@keyframes blink { 50% { opacity: .2; } }

@media (max-width: 980px) {
  .site-header { grid-template-columns: auto 1fr auto; }
  .site-header nav { display: none; position: absolute; left: 0; right: 0; top: 66px; padding: 20px; background: var(--cream); border-bottom: 2px solid var(--ink); }
  .site-header nav.open { display: grid; gap: 18px; }
  .nav-toggle { display:block;justify-self:end;min-width:44px;min-height:44px;border:1px solid var(--ink);background:var(--white);padding:7px 9px;font:700 9px var(--mono); }
  .header-status { display: none; }
  .hero { grid-template-columns: 1fr; text-align: left; }
  .hero-character { margin-top: 20px; }
  .hero-specs { max-width: none; }
  .ticker { grid-template-columns: repeat(2, 1fr); }
  .ticker div:nth-child(2) { border-right: 0; }
  .ticker div:nth-child(-n+2) { border-bottom: 1px solid var(--ink); }
  .app-layout { grid-template-columns: 76px minmax(0,1fr); }
  .app-sidebar { padding: 18px 9px; }
  .mini-brand { justify-content: center; margin-inline: 0; }
  .mini-brand strong, .app-nav span, .app-nav em, .model-card { display: none; }
  .app-nav { grid-template-columns: 1fr; padding: 7px; }
  .app-nav b { height: 34px; }
  .chat-shell { grid-template-columns: minmax(0, 1fr); }
  .chat-history { display: none; }
  .feature-grid, .device-grid { grid-template-columns: repeat(2, 1fr); }
  .architecture-grid, .roadmap-layout { grid-template-columns: 1fr; }
  .device-card.featured { transform: none; }
}

@media (max-width: 680px) {
  .site-header { height: 58px; padding-inline: 16px; }
  .brand small { display: none; }
  .site-header nav { top: 56px; }
  .hero { min-height: auto; padding: 58px 20px 70px; grid-template-columns: minmax(0,1fr); gap: 46px; }
  h1 { font-size: clamp(52px, 17vw, 78px); }
  .hero-lede { font-size: 17px; }
  .hero-actions { display: grid; }
  .hero-specs { grid-template-columns: 1fr; }
  .hero-specs div { display: flex; justify-content: space-between; gap: 20px; padding: 11px 0; border-bottom: 1px solid var(--line); }
  .hero-specs dd { margin: 0; text-align: right; }
  .sprite-stage { width: 100%; }
  .state-controls { grid-template-columns: repeat(3, 1fr); }
  .ticker { grid-template-columns: 1fr; }
  .ticker div { border-right: 0; border-bottom: 1px solid var(--ink); }
  .section { padding: 76px 18px; }
  .section-heading { margin-bottom: 40px; }
  .section-heading h2 { font-size: 43px; }
  .window-bar { grid-template-columns: auto 1fr; }
  .window-bar > span { display: none; }
  .app-layout { display: block; min-height: 0; }
  .app-sidebar { min-height: auto; display: block; border-right: 0; border-bottom: 2px solid var(--ink); }
  .mini-brand { display: none; }
  .model-card { display: grid; grid-template-columns: 1fr auto; gap: 3px 10px; margin: 12px 2px 2px; padding: 10px; box-shadow: none; }
  .model-card > span, .model-card > strong, .model-card > small, .model-card > .meter { grid-column: 1; }
  .model-card button { grid-column: 2; grid-row: 1 / 5; width: 106px; margin: 0; }
  .app-sidebar nav { grid-template-columns: repeat(4, 1fr); }
  .app-nav { display: grid; }
  .app-nav b { height: 34px; }
  .work-area { padding: 20px 13px 28px; }
  .chat-shell .work-area { min-height: 680px; padding: 0; }
  .chat-header { padding: 16px 13px; }
  .chat-header-actions { margin-top: 10px; flex-wrap: wrap; }
  .chat-header .privacy-badge { display: none; }
  .chat-feed { min-height: 340px; max-height: 500px; padding: 22px 13px; }
  .chat-welcome { margin: 25px auto; }
  .chat-message { grid-template-columns: 29px minmax(0, 1fr); gap: 9px; }
  .chat-message.user { grid-template-columns: minmax(0, 1fr) 29px; }
  .message-avatar { width: 27px; height: 27px; }
  .chat-message.user .message-body { width: 95%; }
  .tool-call summary { grid-template-columns: 23px 1fr; }
  .tool-call summary em { grid-column: 2; }
  .tool-detail { padding-left: 10px; }
  .chat-composer { margin-inline: 10px; }
  .composer-note { margin-inline: 12px; }
  .work-header { display: block; }
  .privacy-badge { display: inline-block; margin-top: 14px; }
  .prompt-footer { align-items: stretch; flex-direction: column; }
  .send-job { min-height: 44px; }
  .job-title-row { display: block; }
  .job-title-row button { margin-top: 10px; }
  .artifact { grid-template-columns: 1fr; gap: 8px; }
  .feature-grid, .device-grid { grid-template-columns: 1fr; }
  .feature-card { min-height: 270px; }
  .tool-icon { margin-bottom: 38px; }
  .flow-tools { grid-template-columns: 1fr; }
  .flow-split { display: none; }
  .flow-tools { margin-top: 10px; }
  .roadmap-list li { grid-template-columns: 48px 1fr; }
  footer { grid-template-columns: 1fr; text-align: center; }
  footer .brand, footer > div:last-child { justify-self: center; }
  .static-header { grid-template-columns:auto 1fr;gap:12px; }
  .static-header .info-back { grid-column:2;min-height:44px;padding-inline:12px; }
  .info-hero { padding:64px 20px 72px; }
  .info-hero h1 { font-size:clamp(48px,15vw,72px); }
  .info-grid { grid-template-columns:1fr;padding:58px 18px; }
  .info-grid article { min-height:230px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .reveal { opacity: 1; transform: none; }
}