:root {
  --black: #050708;
  --panel: #0a0e10;
  --panel-2: #10171a;
  --blue: #063d9d;
  --blue-hi: #1684ff;
  --cyan: #55f6ff;
  --green: #6dff77;
  --yellow: #ffe657;
  --magenta: #ff63e6;
  --red: #ff5f65;
  --white: #e6f6ef;
  --muted: #849993;
  --line: #263632;
  --shadow: #001935;
  --mono: "SFMono-Regular", "Cascadia Mono", "Liberation Mono", Menlo, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--white);
  background:
    linear-gradient(rgba(7, 18, 16, .72), rgba(2, 6, 7, .94)),
    repeating-linear-gradient(0deg, transparent 0 3px, rgba(99, 255, 190, .025) 3px 4px),
    var(--black);
  font: 15px/1.6 var(--mono);
  min-height: 100vh;
}

a { color: var(--cyan); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: #fff; background: #064d83; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--yellow); outline-offset: 3px; }
code { color: var(--yellow); font-family: inherit; }

.skip { position: fixed; left: 1rem; top: -5rem; z-index: 20; padding: .5rem 1rem; background: var(--yellow); color: #000; }
.skip:focus { top: 1rem; }

.shell { width: min(1180px, calc(100% - 28px)); margin: 18px auto 40px; border: 1px solid #345049; box-shadow: 14px 14px 0 #020304, 15px 15px 0 #15251f; background: rgba(4, 8, 9, .96); }

.topline, .statusline {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-height: 28px;
  padding: 3px 10px;
  color: #fff;
  background: linear-gradient(90deg, #052a78 0%, var(--blue) 40%, #086089 100%);
  font-weight: 700;
  text-shadow: 1px 1px #00112f;
}
.topline strong { color: var(--yellow); letter-spacing: .08em; }
.topline nav { display: flex; gap: 1.1rem; margin-left: auto; }
.topline a { color: #fff; text-decoration: none; }
.topline a[aria-current="page"] { color: var(--yellow); }
.statusline { justify-content: space-between; background: linear-gradient(90deg, #0873ad, #073686 60%, #4c0875); }
.statusline span::before { content: "["; color: var(--cyan); }
.statusline span::after { content: "]"; color: var(--cyan); }

.hero { display: grid; grid-template-columns: minmax(0, 1fr) 265px; min-height: 560px; }
.mainpane { min-width: 0; padding: clamp(22px, 5vw, 62px); border-right: 1px solid var(--line); }
.sidepane { padding: 18px 14px; background: var(--panel); }
.sidepane h2 { color: #fff; background: #194043; font-size: .85rem; margin: 0 -6px 12px; padding: 2px 7px; }
.agent { display: grid; grid-template-columns: 10px 1fr; gap: 8px; margin: 8px 0; color: var(--muted); }
.agent::before { content: ""; width: 7px; height: 7px; margin-top: 8px; background: var(--green); box-shadow: 0 0 8px var(--green); }
.agent.busy::before { background: var(--yellow); box-shadow: 0 0 8px var(--yellow); }
.agent b { display: block; color: var(--white); }
.side-rule { border: 0; border-top: 1px dashed #385049; margin: 18px 0; }

.masthead { margin: 0 0 26px; color: var(--cyan); font-weight: 900; font-size: clamp(7px, 1.35vw, 16px); line-height: 1.02; white-space: pre; letter-spacing: 0; text-shadow: 2px 2px #12427b, 4px 4px #241045; overflow: hidden; }
.prompt { color: var(--green); }
.prompt::before { content: "ainz@local:~$ "; color: var(--cyan); }
h1 { max-width: 850px; margin: 13px 0 18px; font-size: clamp(2rem, 5vw, 4.8rem); line-height: .98; letter-spacing: -.025em; color: #fff; text-shadow: 3px 3px #153d92, 6px 6px #381050; }
.lede { max-width: 720px; font-size: clamp(1rem, 2vw, 1.25rem); color: #b9d2cb; }

.actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 30px 0; }
.button { display: inline-block; border: 1px solid #93ffdf; padding: 9px 15px; color: #05100c; background: var(--green); font-weight: 800; text-decoration: none; box-shadow: 4px 4px 0 #17536a; }
.button.secondary { color: var(--cyan); background: #081620; border-color: var(--blue-hi); box-shadow: 4px 4px 0 #142051; }
.button:hover { color: #000; background: #fff; }

.commandbox { display: grid; grid-template-columns: auto 1fr auto; gap: 8px; align-items: center; max-width: 760px; border: 1px solid #315448; background: #020505; padding: 8px 10px; box-shadow: inset 0 0 24px rgba(12, 93, 72, .18); }
.commandbox code { overflow-x: auto; white-space: nowrap; }
.commandbox button { border: 0; color: #fff; background: var(--blue); font: inherit; cursor: pointer; padding: 3px 8px; }

.content { padding: clamp(26px, 5vw, 68px); }
.content > h1, .content > header h1 { margin-top: 0; }
.eyebrow { color: var(--magenta); text-transform: uppercase; letter-spacing: .16em; font-weight: bold; }
.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; margin: 38px 0; background: var(--line); border: 1px solid var(--line); }
.card { min-height: 210px; padding: 22px; background: var(--panel); }
.card:nth-child(even) { background: var(--panel-2); }
.card h2 { margin-top: 0; color: var(--yellow); font-size: 1rem; text-transform: uppercase; }
.card .index { float: right; color: #39665c; font-size: 1.5rem; }

.split { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: clamp(24px, 5vw, 70px); }
.toc { position: sticky; top: 20px; align-self: start; border-left: 3px solid var(--blue); padding-left: 14px; }
.toc a { display: block; padding: 4px 0; color: #a5cfc6; }
.doc h2 { color: var(--cyan); margin-top: 3rem; border-bottom: 1px dashed #315047; padding-bottom: .25rem; }
.doc h3 { color: var(--yellow); margin-top: 2rem; }
.doc pre { overflow-x: auto; border-left: 3px solid var(--magenta); padding: 14px 16px; background: #020606; color: var(--white); }
.doc table { width: 100%; border-collapse: collapse; display: block; overflow-x: auto; }
.doc th, .doc td { padding: 8px 12px; border: 1px solid var(--line); text-align: left; }
.doc th { color: var(--yellow); background: #0b2020; }
.callout { margin: 24px 0; border: 1px solid #315b5c; padding: 13px 16px; background: #071719; box-shadow: 5px 5px 0 #041031; }
.callout::before { content: "NOTICE "; color: var(--yellow); font-weight: bold; }

.step { display: grid; grid-template-columns: 46px 1fr; gap: 14px; margin: 30px 0; }
.stepnum { width: 38px; height: 38px; display: grid; place-items: center; border: 1px solid var(--cyan); color: var(--yellow); background: #07234b; font-weight: bold; box-shadow: 4px 4px 0 #2e0e4d; }
.step h2 { margin: 4px 0 12px; border: 0; }

footer { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; border-top: 1px solid var(--line); padding: 14px; color: var(--muted); background: #020505; }

@media (max-width: 800px) {
  .shell { width: calc(100% - 16px); margin-top: 8px; box-shadow: 7px 7px #020304; }
  .topline { align-items: flex-start; flex-direction: column; gap: 3px; }
  .topline nav { margin-left: 0; width: 100%; overflow-x: auto; }
  .hero { grid-template-columns: 1fr; }
  .mainpane { border-right: 0; }
  .sidepane { display: none; }
  .grid { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; }
  .toc { position: static; columns: 2; }
  .statusline span:nth-child(n+3) { display: none; }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

/* masthead studio */
.studio { display: grid; gap: 1rem; }
.studio h2 { margin: 1rem 0 0; }
.toolbar { display: flex; flex-wrap: wrap; gap: 0.75rem 1.25rem; align-items: center; }
.toolbar label { display: inline-flex; align-items: center; gap: 0.4rem; color: var(--muted); }
.toolbar input[type="text"], .toolbar input[type="number"], .toolbar select { background: #05070a; color: var(--white); border: 1px solid var(--line); padding: 0.3rem 0.5rem; font: inherit; }
.toolbar input[type="number"] { width: 5rem; }
.toolbar input[type="color"] { width: 2.4rem; height: 1.8rem; padding: 0; border: 1px solid var(--line); background: none; }
.tools { display: inline-flex; gap: 0.25rem; }
.tools button, .swatch { font: inherit; cursor: pointer; }
.tools button { background: #05070a; color: var(--white); border: 1px solid var(--line); padding: 0.3rem 0.7rem; }
.tools button.selected { background: var(--blue); color: #fff; }
.palette { display: flex; flex-wrap: wrap; gap: 0.3rem; }
.swatch { width: 1.6rem; height: 1.6rem; border: 2px solid transparent; }
.swatch.selected { border-color: #fff; }
.gridwrap { overflow: auto; border: 1px solid var(--line); max-width: 100%; }
#grid { display: block; image-rendering: pixelated; touch-action: none; cursor: crosshair; }
.studio-preview { background: #000; padding: 0.5rem; overflow-x: auto; border: 1px solid var(--line); }
#preview { display: block; image-rendering: pixelated; }
.hint { color: var(--muted); }
.hint.error { color: var(--magenta); }
.actions label.button input { display: none; }

/* the studio keeps drawing and delivery visible together */
.studio-page { padding: clamp(20px, 3vw, 38px); }
.studio-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; }
.studio-heading h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); letter-spacing: -.025em; margin-bottom: 12px; }
.studio-heading .lede { margin: 0; }
.studio-intro { max-width: 76ch; margin: 24px 0 34px; color: #b9d2cb; }
.studio { grid-template-columns: minmax(0, 1fr) minmax(290px, 340px); gap: 32px; align-items: start; }
.studio-editor, .studio-delivery, .studio-delivery section { min-width: 0; }
.studio-delivery { position: sticky; top: 18px; border-left: 1px solid var(--line); padding-left: 26px; }
.studio h2 { font-size: 1.05rem; margin: 0 0 18px; color: var(--yellow); }
.section-line { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.section-line span { font-size: .75rem; color: var(--muted); text-align: right; }
.studio .toolbar, .starter-row { margin-bottom: 16px; }
.starter-row { display: flex; flex-wrap: wrap; gap: 8px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.studio button, .studio select, .studio input { font: inherit; }
.studio button { cursor: pointer; }
.studio button:not(.button):not(.swatch) { background: var(--panel-2); color: var(--white); border: 1px solid #45615a; padding: 7px 10px; }
.studio .tools button.selected { background: var(--blue); border-color: var(--blue-hi); }
.studio .tools { flex-wrap: wrap; }
.studio button:hover:not(:disabled) { border-color: var(--cyan); }
.studio button:disabled { opacity: .45; cursor: not-allowed; box-shadow: none; }
.studio input, .studio select { max-width: 100%; color: var(--white); background: var(--panel); border: 1px solid #45615a; padding: 7px 8px; }
.studio input[type="text"] { min-width: 0; width: 100%; }
.studio .toolbar input[type="text"] { width: 10rem; }
.studio .toolbar label { color: #b9d2cb; }
.studio .palette { margin-bottom: 18px; max-height: 100px; overflow: auto; }
.studio .swatch { width: 28px; height: 28px; }
.studio .gridwrap { min-height: 220px; max-height: 580px; background: #10171a; padding: 12px; }
.studio #grid { margin: auto; }
.studio .hint { font-size: .8rem; margin: 10px 0 18px; line-height: 1.55; }
.preview-topic { background: var(--blue); color: #fff; font-size: .8rem; padding: 4px 10px; }
.studio-preview { border-top: 0; background: #10171a; min-height: 140px; display: grid; align-items: center; }
#preview { max-width: 100%; height: auto; margin: auto; }
.install-panel { margin-top: 28px; padding-top: 24px; border-top: 1px solid var(--line); }
.install-panel > label { display: block; margin-bottom: 6px; }
.install-options { display: flex; flex-wrap: wrap; gap: 10px; margin: 18px 0; }
.install-options label { display: grid; gap: 6px; font-size: .85rem; }
.install-panel .button { width: 100%; box-shadow: none; padding: 12px; }
.install-panel .commandbox { grid-template-columns: minmax(0, 1fr) auto; }
.install-panel details { font-size: .8rem; }
.install-panel summary { color: var(--cyan); cursor: pointer; }
#install { white-space: pre-wrap; overflow-wrap: anywhere; max-height: 180px; overflow: auto; background: #050708; padding: 12px; }
.next-step { margin-bottom: 8px; }
.download-actions { display: flex; flex-wrap: wrap; gap: 8px; }
#notice { color: var(--green); font-size: .8rem; min-height: 2.5em; }
.studio-notes { margin-top: 52px; padding-top: 24px; border-top: 1px solid var(--line); max-width: 76ch; }
.studio-notes h2 { color: var(--cyan); font-size: 1.2rem; }
.brand-art { display: flex; align-items: center; gap: 26px; margin-bottom: 26px; }
.brand-art .masthead { margin: 0; }
.brand-art img { width: 96px; height: 96px; image-rendering: pixelated; flex: 0 0 auto; }
.buffer-example { border: 1px solid var(--line); background: var(--panel); margin: 32px 0; }
.buffer-example .buffer-topic { margin: 0; padding: 6px 14px; background: var(--blue); color: #fff; }
.buffer-example pre { overflow: auto; padding: 16px; margin: 0; color: var(--white); }
.buffer-example .buffer-result { color: var(--green); padding: 8px 14px; margin: 0; border-top: 1px solid var(--line); }
.doc code { overflow-wrap: anywhere; }
.doc pre code { overflow-wrap: normal; }
.commandbox { grid-template-columns: minmax(0, 1fr) auto; }
input:focus-visible, select:focus-visible, summary:focus-visible, canvas:focus-visible, pre:focus-visible { outline: 2px solid var(--yellow); outline-offset: 3px; }
::selection { background: var(--blue); color: #fff; }
input, textarea { caret-color: var(--cyan); }
* { scrollbar-color: #45615a var(--panel); }
@media (max-width: 960px) {
  .studio { grid-template-columns: minmax(0, 1fr); }
  .studio-delivery { position: static; padding: 26px 0 0; border-left: 0; border-top: 1px solid var(--line); }
  .studio-heading { display: block; }
  .studio-heading > a { display: inline-block; margin-top: 14px; }
}
@media (max-width: 480px) {
  .studio .toolbar { gap: 12px; }
  .section-line { display: block; margin-bottom: 18px; }
  .section-line h2 { margin-bottom: 6px; }
  .brand-art { gap: 12px; }
  .brand-art img { width: 64px; height: 64px; }
}

/* theme colors are scoped to the preview, leaving the designer readable */
.theme-studio { grid-template-columns: minmax(0, 1fr) minmax(270px, 300px); }
.theme-preview { background: var(--theme-background); color: var(--theme-text); border: 1px solid var(--theme-border); font-size: 12px; line-height: 1.65; }
.theme-topic { padding: 5px 10px; }
.theme-selected { background: var(--theme-bar); color: var(--theme-bar_text); }
.theme-bar { background: var(--theme-bar); color: var(--theme-bar_text); padding: 5px 10px; }
.theme-body { display: grid; grid-template-columns: minmax(0, 1fr) 100px; }
.theme-buffer { padding: 12px 10px; min-width: 0; }
.theme-buffer p { display: grid; grid-template-columns: 5ch minmax(0, 1fr); gap: 8px; margin: 0 0 8px; }
.theme-buffer time, .theme-muted { color: var(--theme-muted); }
.theme-buffer code { color: var(--theme-special); }
.theme-accent { color: var(--theme-accent); }
.theme-bright { color: var(--theme-bright); }
.theme-info { color: var(--theme-info); }
.theme-warning { color: var(--theme-warning); }
.theme-error { color: var(--theme-error); }
.theme-success { color: var(--theme-success); }
.theme-text { color: var(--theme-text); }
.theme-roster { border-left: 1px solid var(--theme-border); padding: 12px 10px; }
.theme-roster p { margin: 12px 0 0; }
.theme-roster img { display: block; margin: 22px auto 0; image-rendering: pixelated; }
.theme-input { padding: 8px 10px; }
.terminal-default { display: flex; align-items: center; gap: 8px; margin: 22px 0 14px; }
.color-fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 20px; }
.color-field { display: grid; grid-template-columns: 34px minmax(0, 1fr); gap: 8px; padding: 12px 0; border-top: 1px solid var(--line); cursor: pointer; }
.color-field input[type="color"] { width: 32px; height: 32px; padding: 1px; grid-row: span 2; cursor: pointer; }
.color-field strong { display: block; font-size: .9rem; }
.color-field small { display: block; color: var(--muted); font-size: .75rem; }
.color-field code { font-size: .8rem; }
.theme-install { margin-top: 0; padding-top: 0; border-top: 0; }
#copytext { width: 100%; height: 160px; margin-top: 12px; background: var(--panel); color: var(--white); font: inherit; }
.topline nav a { white-space: nowrap; }
.topline nav { gap: clamp(.55rem, 1.2vw, 1.1rem); }
@media (max-width: 960px) { .theme-studio { grid-template-columns: minmax(0, 1fr); } }
@media (max-width: 480px) {
  .theme-body { grid-template-columns: minmax(0, 1fr) 74px; }
  .theme-roster { padding: 10px 6px; }
  .theme-buffer { padding: 10px 6px; }
  .theme-buffer p { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .color-fields { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 800px) {
  .topline nav { flex-wrap: wrap; overflow: visible; gap: 3px 14px; padding-bottom: 4px; }
}