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<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<!--
`viewport-fit=cover` so the canvas reaches the edges of a notched screen;
every fixed card below then pays for it with an `env(safe-area-inset-*)`.
Deliberately **no** `user-scalable=no` and no `maximum-scale`: the map
itself is already protected from browser zoom by `touch-action: none` and
by `scenekit.ts` swallowing WebKit's `gesture*` events, and taking page
zoom away from everyone to protect one element is the accessibility
mistake that rule exists to avoid.
-->
<meta name="viewport" content="width=device-width, initial-scale=1, viewport-fit=cover" />
<meta name="color-scheme" content="dark" />
<!--
An empty data URI, not an icon file. `src/` carries no binary assets by
policy (ARCHITECTURE.md §3.1) and a favicon is not worth being the
exception; without this line every load spends a request on `/favicon.ico`
and logs the 404 to the console, which buries the errors that matter.
-->
<link rel="icon" href="data:," />
<!--
==== Social ==== ogc:start
Everything between the `ogc:` markers is rewritten at build time to produce
`office.html`, which is the same page with the office's title, description
and card on it. See the `twoDoors` plugin in `vite.config.ts` for why that
is a build step and not a second hand-maintained file.
Both doors had none of this at all, which for a project whose entire pitch
is visual is the most expensive line of missing markup in the repo: a link
to either one unfurled as a bare blue URL with no picture, no title beyond
the tab's, and no sentence.
-->
<title>Tera — cities from above, and an office you can walk into</title>
<meta
name="description"
content="The map view of Lumbridge Simulate: a real sun and moon over a board you can fly around, and an office you can step into. Apache-2.0, self-hostable, runs with no server at all."
/>
<link rel="canonical" href="https://tera.lumbridgecorp.com/" />
<meta property="og:type" content="website" />
<meta property="og:site_name" content="Lumbridge Simulate" />
<meta property="og:title" content="Tera — cities from above, and an office you can walk into" />
<meta
property="og:description"
content="A real sun and moon over a board you can fly around, and an office you can step into. Apache-2.0, self-hostable. Clone it and it works."
/>
<meta property="og:url" content="https://tera.lumbridgecorp.com/" />
<!--
Absolute, and it has to be. Several unfurlers — Slack and iMessage among
them — will not resolve a relative `og:image` against the page URL, and a
card that works on X and silently does not work in a DM is the worst of
the two outcomes because nobody sees it fail.
-->
<meta property="og:image" content="https://tera.lumbridgecorp.com/og-tera.png" />
<meta property="og:image:type" content="image/png" />
<meta property="og:image:width" content="1200" />
<meta property="og:image:height" content="630" />
<meta
property="og:image:alt"
content="California rendered from above in Tera, with Los Angeles and San Francisco joined by the US-101 and I-5 corridors."
/>
<meta name="twitter:card" content="summary_large_image" />
<meta name="twitter:title" content="Tera — cities from above, and an office you can walk into" />
<meta
name="twitter:description"
content="A real sun and moon over a board you can fly around, and an office you can step into. Apache-2.0, self-hostable. Clone it and it works."
/>
<meta name="twitter:image" content="https://tera.lumbridgecorp.com/og-tera.png" />
<!-- ogc:end -->
<style>
/*
* The whole interface, inline, on purpose.
*
* There is no framework and no stylesheet because there is no build step
* that would earn one: this file is served as written, so what you read
* here is what the browser gets. It also means the first paint needs
* nothing but this document — which is the entire reason the boot card at
* the bottom of the body can be on screen before a single module has been
* fetched, let alone before the California heightfield has been built.
*
* Two constraints shape every rule below.
*
* The first is that this chrome floats over a *photographic* background
* that changes from a bright noon sky to a nearly black one and back. A
* panel tuned only for the dark case — which is what this was — reads as
* a grey smudge at noon, because dark-on-dark needs no edge and
* dark-on-bright very much does. Every card therefore carries three
* separations at once: a fill dark enough to hold white text against a
* white sky, a hairline that is light on the inside so the card has a
* rim, and one soft drop shadow so it sits above rather than in.
*
* The second is that there is exactly one accent. `#f2b134` is the
* identity and it is spent only on things that are *active* — the current
* chapter, the current city, the office door, a focus ring. The moment it
* also means "heading" and "border" and "hover" it stops meaning
* anything, which is what a second pass at this looked like before it was
* pulled back.
*/
:root {
--amber: #f2b134;
--amber-lit: #ffc555;
--amber-ink: #ffd68a;
/* One glass recipe, two weights. The strong one is for things that must
be read over the brightest part of the sky: the boot card and the
shortcuts sheet. */
--glass: rgba(9, 13, 18, 0.62);
--glass-strong: rgba(9, 13, 18, 0.86);
--glass-inset: rgba(255, 255, 255, 0.05);
--hairline: rgba(255, 255, 255, 0.11);
--blur: blur(14px) saturate(1.2);
--shadow: 0 6px 22px rgba(3, 6, 10, 0.45);
/* Four steps of ink and no more. Anything that wanted a fifth was
saying something the type scale should have said instead. */
--ink: rgba(255, 255, 255, 0.78);
--ink-2: rgba(255, 255, 255, 0.56);
--ink-3: rgba(255, 255, 255, 0.4);
--ink-4: rgba(255, 255, 255, 0.26);
/* 4px rhythm. Every gap, pad and offset below is a multiple of it, so
the columns line up without anyone having to nudge a value. */
--s1: 4px;
--s2: 8px;
--s3: 12px;
--s4: 16px;
--s5: 24px;
--r: 8px;
--r-sm: 5px;
--t: 150ms cubic-bezier(0.4, 0, 0.2, 1);
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body {
margin: 0;
height: 100%;
/* Dark, not the old `#d9e6ee`. The canvas covers this within a frame,
but the frame before it used to be a full-screen flash of pale blue
that then dropped to a night scene. A dark page is wrong for half a
second at noon and right for half a second at midnight; the flash is
what people noticed. */
background: #0d1218;
overflow: hidden;
/* The canvas cannot scroll the page — `touch-action: none` sees to that
— but a drag that starts on the panel, the rail or the source line
still rubber-bands the whole document on iOS and can still trigger
pull-to-refresh on Android, which on a full-screen map looks like the
map itself has come loose. */
overscroll-behavior: none;
font-family: ui-monospace, "SF Mono", Menlo, monospace;
color: var(--ink);
-webkit-font-smoothing: antialiased;
}
#scene {
display: block;
width: 100vw;
height: 100dvh;
touch-action: none;
/* A slow orbit on iOS is, to WebKit, a long press on a page: it raises
the selection callout and the magnifier over the city. There is no
text here to select. */
user-select: none;
-webkit-user-select: none;
-webkit-touch-callout: none;
}
/* ---- Type scale ------------------------------------------------------
Five sizes. 9px is reserved for uppercase micro-labels, where the caps
and the tracking carry the legibility that the size does not. */
.t-title { font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; }
.t-body { font-size: 11px; letter-spacing: 0.01em; line-height: 1.55; }
.t-ctrl { font-size: 12px; letter-spacing: 0.01em; }
.t-micro { font-size: 10px; letter-spacing: 0.06em; }
.t-caps { font-size: 9px; letter-spacing: 0.1em; text-transform: uppercase; }
/* ---- Glass ----------------------------------------------------------- */
.card {
background: var(--glass);
backdrop-filter: var(--blur);
-webkit-backdrop-filter: var(--blur);
border: 1px solid var(--hairline);
box-shadow: var(--shadow), inset 0 1px 0 var(--glass-inset);
border-radius: var(--r);
padding: var(--s3);
color: var(--ink);
font-size: 11px;
line-height: 1.55;
}
/* One focus treatment for everything that can take focus. The offset is
what makes it legible on a control that is already amber. */
:is(button, a, input, [tabindex]):focus-visible {
outline: 2px solid var(--amber);
outline-offset: 2px;
}
/* ---- Left column ------------------------------------------------------ */
#panel {
position: fixed;
top: 0;
left: 0;
padding: var(--s4);
width: min(19.5rem, calc(100vw - var(--s4) * 2));
max-height: 100dvh;
overflow-y: auto;
overscroll-behavior: contain;
scrollbar-width: thin;
scrollbar-color: rgba(255, 255, 255, 0.18) transparent;
display: flex;
flex-direction: column;
gap: var(--s1);
pointer-events: none;
transition: transform var(--t), opacity var(--t);
}
#panel > * { pointer-events: auto; }
h1 {
margin: 0;
font-size: 11px;
letter-spacing: 0.2em;
text-transform: uppercase;
color: var(--amber);
}
#subtitle { margin: var(--s1) 0 0; font-size: 10px; letter-spacing: 0.06em; color: var(--ink-3); }
.clock {
margin: var(--s2) 0 0;
font-size: 10px;
letter-spacing: 0.06em;
color: var(--ink-2);
font-variant-numeric: tabular-nums;
}
/* The `#hour` scrubber and its `now` button used to live here. They were
god-only, and the godmode panel now owns the same override with a date
as well as an hour — two writers for one value, of which this was the
one that silently threw the date away. `main.ts` says the rest. */
.cities { display: flex; gap: var(--s1); }
.city {
flex: 1;
font: inherit;
font-size: 11px;
padding: var(--s2) var(--s1);
cursor: pointer;
border: 1px solid var(--hairline);
border-radius: var(--r-sm);
background: var(--glass);
backdrop-filter: var(--blur);
-webkit-backdrop-filter: var(--blur);
box-shadow: var(--shadow);
color: var(--ink-2);
transition: background var(--t), color var(--t);
}
@media (hover: hover) {
.city:hover { background: rgba(40, 48, 58, 0.7); color: var(--ink); }
}
.city[aria-pressed="true"] { background: rgba(242, 177, 52, 0.22); color: var(--amber-ink); }
.office-choice {
display: grid;
grid-template-columns: minmax(0, 1fr) auto;
align-items: center;
gap: var(--s1);
text-align: left;
}
.office-choice__status {
font-size: 8px;
font-weight: 700;
letter-spacing: 0.12em;
text-transform: uppercase;
color: var(--ink-3);
}
.office-choice[aria-pressed="true"] .office-choice__status { color: var(--amber-ink); }
.enter {
font: inherit;
font-size: 12px;
padding: var(--s2) var(--s3);
cursor: pointer;
text-align: left;
border: 1px solid transparent;
border-radius: var(--r-sm);
color: #10161d;
background: var(--amber);
font-weight: 600;
box-shadow: var(--shadow);
transition: background var(--t);
}
@media (hover: hover) { .enter:hover { background: var(--amber-lit); } }
.walk {
font: inherit;
font-size: 11px;
padding: var(--s2) var(--s3);
cursor: pointer;
text-align: left;
border: 1px solid rgba(242, 177, 52, 0.48);
border-radius: var(--r-sm);
color: var(--amber-ink);
background: rgba(242, 177, 52, 0.1);
box-shadow: var(--shadow);
transition: background var(--t), border-color var(--t);
}
@media (hover: hover) {
.walk:hover { background: rgba(242, 177, 52, 0.2); border-color: var(--amber); }
}
.walk[aria-pressed="true"] { background: rgba(242, 177, 52, 0.25); }
/* The public-office note. Amber-edged rather than amber-filled: it is an
explanation, not an action, and the one filled amber thing on screen
should stay the door. */
.badge {
margin: 0;
border-left: 2px solid rgba(242, 177, 52, 0.55);
border-radius: var(--r-sm);
padding: var(--s2) var(--s3);
font-size: 10px;
line-height: 1.6;
color: var(--ink-2);
}
.badge a { color: var(--amber-ink); }
#chapters {
display: flex;
flex-direction: column;
gap: 1px;
background: var(--glass);
backdrop-filter: var(--blur);
-webkit-backdrop-filter: var(--blur);
border: 1px solid var(--hairline);
box-shadow: var(--shadow), inset 0 1px 0 var(--glass-inset);
border-radius: var(--r);
padding: var(--s1);
}
.chapter {
display: flex;
align-items: baseline;
gap: var(--s2);
padding: var(--s2) var(--s2);
background: none;
border: 0;
border-radius: var(--r-sm);
cursor: pointer;
text-align: left;
font: inherit;
font-size: 12px;
color: var(--ink-2);
transition: background var(--t), color var(--t);
}
@media (hover: hover) {
.chapter:hover { background: rgba(255, 255, 255, 0.09); color: var(--ink); }
}
.chapter[aria-pressed="true"] { background: rgba(242, 177, 52, 0.2); color: var(--amber-ink); }
.num { font-size: 9px; letter-spacing: 0.1em; opacity: 0.55; font-variant-numeric: tabular-nums; }
#blurb { margin: 0; color: var(--ink-2); }
/* The panel toggle only exists on a narrow screen, where it doubles as the
header — hence the city name in it. */
.panel-toggle {
display: none;
position: fixed;
top: calc(var(--s3) + env(safe-area-inset-top));
left: var(--s3);
z-index: 4;
align-items: center;
gap: var(--s2);
font: inherit;
font-size: 11px;
letter-spacing: 0.1em;
text-transform: uppercase;
padding: var(--s2) var(--s3);
cursor: pointer;
color: var(--amber);
background: var(--glass);
backdrop-filter: var(--blur);
-webkit-backdrop-filter: var(--blur);
border: 1px solid var(--hairline);
border-radius: var(--r-sm);
box-shadow: var(--shadow);
}
.panel-toggle .glyph { font-size: 13px; line-height: 1; }
/* ---- Top right: who you are, and the plan ------------------------------
The tier badge is its own fixed card rather than the last child of
`.corner`, which it used to be. Two reasons, and the second is a bug:
a phone turns the plan into a bottom sheet and the badge must not go
down there with it, and `M` — which hides the plan — was also hiding
the one line that says whether you are signed in. */
.corner {
position: fixed;
/* Clear of the tier badge above it, which is one line of 9px caps in a
card: 8 + 14 + 8 of padding and leading, two hairlines, and the 4px
rhythm's worth of gap. */
top: calc(var(--s4) + env(safe-area-inset-top) + 2.4rem);
right: var(--s4);
width: 15rem;
display: flex;
flex-direction: column;
align-items: stretch;
gap: var(--s1);
}
#minimap { padding: var(--s1); display: flex; flex-direction: column; gap: var(--s1); }
/* A real height, always. The canvas is pinned to 100%/100% inline by
`minimap.ts`, and an `auto` height here puts back the feedback loop that
rule exists to break: the backing store feeds layout, layout feeds the
backing store, and the map doubles in size every frame. */
.minimap-frame {
width: 100%;
height: 14rem;
border-radius: var(--r-sm);
overflow: hidden;
}
.minimap-canvas { outline: none; cursor: crosshair; }
.minimap-canvas:focus-visible { outline: 2px solid var(--amber); outline-offset: -2px; }
.minimap-readout {
margin: 0;
padding: 0 var(--s1) 2px;
font-size: 10px;
letter-spacing: 0.05em;
color: var(--ink-3);
min-height: 1.3em;
font-variant-numeric: tabular-nums;
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
}
.tier {
position: fixed;
top: calc(var(--s4) + env(safe-area-inset-top));
right: var(--s4);
z-index: 3;
margin: 0;
max-width: min(15rem, 50vw);
padding: var(--s2) var(--s3);
display: flex;
align-items: baseline;
justify-content: space-between;
gap: var(--s2);
font-size: 9px;
letter-spacing: 0.1em;
text-transform: uppercase;
color: var(--ink-3);
}
.tier .who {
color: var(--ink-2);
text-transform: none;
letter-spacing: 0.04em;
min-width: 0;
overflow: hidden;
text-overflow: ellipsis;
white-space: nowrap;
}
.tier.god .who { color: var(--amber-ink); }
.tier a { color: var(--amber-ink); text-transform: none; letter-spacing: 0.04em; }
#presence-host {
position: fixed;
top: calc(var(--s4) + env(safe-area-inset-top) + 2.5rem);
right: var(--s4);
z-index: 3;
max-width: min(15rem, 65vw);
}
#presence-host:empty { display: none; }
.tera-presence {
display: flex;
align-items: center;
gap: var(--s2);
padding: 5px var(--s2);
color: var(--ink-3);
background: rgba(8, 12, 17, 0.76);
border: 1px solid var(--hairline);
border-radius: var(--r-sm);
box-shadow: var(--shadow);
backdrop-filter: var(--blur);
-webkit-backdrop-filter: var(--blur);
font-size: 9px;
letter-spacing: 0.04em;
}
.tera-presence[data-presence="live"] { color: var(--ink-2); }
.tera-presence__retry {
padding: 2px 6px;
color: var(--amber-ink);
background: transparent;
border: 1px solid rgba(242, 177, 52, 0.3);
border-radius: 3px;
font: inherit;
cursor: pointer;
}
body.presence-on .corner {
top: calc(var(--s4) + env(safe-area-inset-top) + 4.55rem);
}
.profile-trigger {
min-height: 28px;
padding: 4px 8px;
color: var(--amber-ink);
background: rgba(242, 177, 52, 0.1);
border: 1px solid rgba(242, 177, 52, 0.3);
border-radius: var(--r-sm);
font: inherit;
letter-spacing: 0.06em;
text-transform: uppercase;
cursor: pointer;
}
.profile-trigger:hover { background: rgba(242, 177, 52, 0.2); }
.profile-overlay {
position: fixed;
inset: 0;
z-index: 20;
display: grid;
place-items: center;
padding: var(--s4);
background: rgba(5, 8, 11, 0.68);
backdrop-filter: blur(6px);
-webkit-backdrop-filter: blur(6px);
}
/* ---- Bottom right: what you picked, and how to drive ------------------ */
.rail {
position: fixed;
right: var(--s4);
/* The safe-area inset is zero everywhere except the phone it exists for,
where `.rail { bottom: 16px }` puts the `?` button underneath the home
indicator — a control you can see and cannot press. */
bottom: calc(var(--s4) + env(safe-area-inset-bottom));
z-index: 3;
display: flex;
flex-direction: column;
align-items: flex-end;
gap: var(--s1);
/* Wide enough that the key hints stay on one line at desktop widths —
a shortcut list that wraps reads as five separate notes rather than
one row — and narrow enough that a long detail card never becomes a
second panel. */
max-width: min(30rem, calc(100vw - var(--s4) * 2));
}
#detail {
max-width: 100%;
display: flex;
align-items: flex-start;
gap: var(--s3);
}
#detail-text { flex: 1; min-width: 0; }
/* A dismiss the thumb can find. On a mouse the detail card is cleared by
moving the pointer off the marker, which is an affordance touch simply
does not have: a tap sets it and nothing takes it away. Tapping empty
map clears it too — this is the version you can see. */
.detail-close {
flex: none;
font: inherit;
font-size: 14px;
line-height: 1;
padding: 0 var(--s1);
margin: -2px 0;
cursor: pointer;
border: 0;
border-radius: var(--r-sm);
background: none;
color: var(--ink-3);
transition: color var(--t);
}
@media (hover: hover) { .detail-close:hover { color: var(--ink); } }
.hint {
display: flex;
flex-wrap: wrap;
justify-content: flex-end;
align-items: center;
gap: var(--s1) var(--s3);
padding: var(--s2) var(--s3);
font-size: 10px;
letter-spacing: 0.04em;
color: var(--ink-3);
}
kbd {
font: inherit;
font-size: 9px;
padding: 1px 4px;
border: 1px solid var(--hairline);
border-radius: 3px;
background: rgba(255, 255, 255, 0.08);
color: var(--ink-2);
}
/* The plan toggle is for pointers, and only for pointers.
Where there is a keyboard the `M` hint two elements to the left is the
affordance and a button saying the same thing is a second row of glass
for nothing. Where there is not — a phone, a tablet, a touchscreen
kiosk — the hints are hidden or meaningless and this is the only way in.
Keyed off the pointer rather than off the width because the defect it
fixes is about fingers: an 820px iPad has no `M` either, and it lands on
the desktop layout by design (see `deviceProfile` in `stage.ts`). */
#plan-toggle { display: none; }
@media (pointer: coarse), (max-width: 600px) {
#plan-toggle { display: inline-flex; align-items: center; }
}
.help {
font: inherit;
font-size: 10px;
letter-spacing: 0.04em;
padding: 2px 6px;
cursor: pointer;
border: 1px solid var(--hairline);
border-radius: var(--r-sm);
background: rgba(255, 255, 255, 0.06);
color: var(--ink-2);
transition: background var(--t), color var(--t);
}
@media (hover: hover) {
.help:hover { background: rgba(255, 255, 255, 0.16); color: var(--ink); }
}
/* A toggle has to look like its state, or it is a button that appears to do
nothing on every second press. Same treatment the chapter and city
buttons take, for the same reason and from the same attribute. */
.help[aria-pressed="true"] { background: rgba(242, 177, 52, 0.2); color: var(--amber-ink); }
/* ---- Bottom left: where the numbers came from -------------------------
Shown only when the data is live — see `renderSource` in main.ts for why
the sample-data half of this was retired. The disclosure it used to
carry did not go into a README nobody opens: it is on the boot card
everyone passes through and in the `?` card, which is one keypress away
from any state the app can be in. The `?` card is also where the live
sources' own credit lines land; see `#credits`. */
.source {
position: fixed;
left: var(--s4);
bottom: calc(var(--s4) + env(safe-area-inset-bottom));
margin: 0;
z-index: 3;
max-width: calc(100vw - var(--s4) * 2);
font-size: 10px;
letter-spacing: 0.04em;
color: var(--ink-3);
background: var(--glass);
backdrop-filter: var(--blur);
-webkit-backdrop-filter: var(--blur);
border: 1px solid var(--hairline);
box-shadow: var(--shadow);
padding: var(--s1) var(--s2);
border-radius: var(--r-sm);
}
.source.live { color: #8fe89a; }
/* The scrim behind the panel sheet. Declared *before* the phone breakpoint
and not after it: two rules of equal specificity, and the last one in
the file wins whatever the media query says — which is how this spent
an afternoon being permanently invisible. */
#scrim {
display: none;
position: fixed;
inset: 0;
z-index: 5;
background: rgba(4, 7, 11, 0.45);
}
/* ---- Overlays --------------------------------------------------------- */
.overlay {
position: fixed;
inset: 0;
z-index: 10;
display: flex;
align-items: center;
justify-content: center;
padding: var(--s4);
background: rgba(4, 7, 11, 0.55);
backdrop-filter: blur(3px);
}
.sheet {
background: var(--glass-strong);
width: min(26rem, 100%);
max-height: calc(100dvh - var(--s5) * 2);
overflow-y: auto;
padding: var(--s4);
}
.sheet h2 { margin: 0 0 var(--s3); font-size: 11px; letter-spacing: 0.2em;
text-transform: uppercase; color: var(--amber); }
/* The Touch section, under the keyboard one. */
.sheet h2:not(:first-child) { margin-top: var(--s4); }
.keys { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: var(--s2) var(--s3);
align-items: baseline; font-size: 11px; }
.keys dt { text-align: right; }
.keys dd { margin: 0; color: var(--ink-2); }
.sheet-close {
margin-top: var(--s4);
font: inherit;
font-size: 11px;
padding: var(--s2) var(--s3);
cursor: pointer;
width: 100%;
border: 1px solid var(--hairline);
border-radius: var(--r-sm);
background: rgba(255, 255, 255, 0.08);
color: var(--ink);
}
@media (hover: hover) { .sheet-close:hover { background: rgba(255, 255, 255, 0.16); } }
/* ---- Boot -------------------------------------------------------------
The page used to be blank for the ~2.3 s it takes to build the Bay Area
heightfield, which reads as a broken site rather than a busy one. This
card is in the document, so it is on screen at first paint — before the
module graph has even been fetched — and `main.ts` only ever writes the
step line and then fades the whole thing out.
It is deliberately not a spinner. A spinner says "wait"; naming the
thing being built says "wait, for this", and the sentence about running
with no server is the one fact about this project worth reading while
you have nothing else to do. */
.boot {
position: fixed;
inset: 0;
z-index: 20;
display: flex;
align-items: center;
justify-content: center;
padding: var(--s4);
background: radial-gradient(120% 90% at 50% 30%, #172029 0%, #0b0f14 70%);
transition: opacity 260ms ease;
}
.boot.done { opacity: 0; pointer-events: none; }
.boot-inner { width: min(22rem, 100%); text-align: left; }
.boot-mark { margin: 0; font-size: 12px; letter-spacing: 0.42em; text-transform: uppercase;
color: var(--amber); }
.boot-sub { margin: var(--s2) 0 0; font-size: 10px; letter-spacing: 0.08em; color: var(--ink-3); }
.boot-bar {
margin: var(--s4) 0 var(--s2);
height: 2px;
border-radius: 2px;
background: rgba(255, 255, 255, 0.09);
overflow: hidden;
}
.boot-bar i {
display: block;
height: 100%;
width: 34%;
border-radius: 2px;
background: linear-gradient(90deg, transparent, var(--amber), transparent);
animation: sweep 1400ms cubic-bezier(0.45, 0, 0.55, 1) infinite;
}
@keyframes sweep {
0% { transform: translateX(-100%); }
100% { transform: translateX(340%); }
}
.boot-step { margin: 0; font-size: 10px; letter-spacing: 0.06em; color: var(--ink-2);
min-height: 1.4em; }
.boot-note { margin: var(--s4) 0 0; font-size: 10px; line-height: 1.6; color: var(--ink-4); }
/* One notch up from the note above it, and a hairline off it. A credit
line is somebody's licence term rather than this project's small print,
and two identical grey paragraphs read as one. */
.credits {
margin-top: var(--s3);
padding-top: var(--s3);
border-top: 1px solid var(--hairline);
color: var(--ink-3);
}
/* ---- Touch driving ---------------------------------------------------
Keyboard and standard gamepads need no chrome. Coarse pointers do, and
only while a route chapter owns the follow camera. Full words rather
than mystery glyphs: the controls disappear everywhere space is tight
except on the devices that cannot drive without them. */
.drive-controls, .walk-controls { display: none; }
@media (pointer: coarse) {
.drive-controls:not([hidden]), .walk-controls:not([hidden]) {
position: fixed;
left: 50%;
bottom: calc(var(--s3) + env(safe-area-inset-bottom));
transform: translateX(-50%);
z-index: 5;
width: min(23rem, calc(100vw - var(--s4) * 2));
display: grid;
grid-template-columns: repeat(4, minmax(0, 1fr));
gap: var(--s1);
padding: var(--s1);
border: 1px solid var(--hairline);
border-radius: var(--r);
background: var(--glass-strong);
backdrop-filter: var(--blur);
-webkit-backdrop-filter: var(--blur);
box-shadow: var(--shadow);
}
.drive-control, .walk-control {
min-height: 48px;
border: 1px solid var(--hairline);
border-radius: var(--r-sm);
background: rgba(255, 255, 255, 0.08);
color: var(--ink);
font: inherit;
font-size: 10px;
letter-spacing: 0.05em;
text-transform: uppercase;
touch-action: none;
user-select: none;
-webkit-user-select: none;
}
.drive-control[aria-pressed="true"], .walk-control[aria-pressed="true"] {
border-color: rgba(242, 177, 52, 0.65);
background: rgba(242, 177, 52, 0.28);
color: var(--amber-ink);
}
/* The source line is useful but cannot sit underneath the controls. */
body:has(.drive-controls:not([hidden])) .source,
body:has(.walk-controls:not([hidden])) .source { bottom: 7.5rem; }
}
/* ---- Responsive -------------------------------------------------------
Two breakpoints and no more. At 900 the left column stops being furniture
and becomes a sheet you open; at 600 the plan stops fitting beside the
map at all and moves to the "plan view" button on the rail (and `M`,
where there is a keyboard). `main.ts` owns the *state* of both, so these
rules only describe what each state looks like. */
@media (max-width: 900px) {
.panel-toggle { display: flex; }
#panel {
padding-top: 56px;
width: min(18rem, calc(100vw - var(--s3) * 2));
z-index: 3;
}
body.panel-closed #panel {
transform: translateX(calc(-100% - var(--s3)));
opacity: 0;
pointer-events: none;
}
.corner {
width: 11.5rem;
top: calc(var(--s3) + env(safe-area-inset-top) + 2.4rem);
right: var(--s3);
}
.tier { top: calc(var(--s3) + env(safe-area-inset-top)); right: var(--s3); }
#presence-host { top: calc(var(--s3) + env(safe-area-inset-top) + 2.5rem); right: var(--s3); }
body.presence-on .corner { top: calc(var(--s3) + env(safe-area-inset-top) + 4.55rem); }
.minimap-frame { height: 10rem; }
.rail { right: var(--s3); bottom: calc(var(--s3) + env(safe-area-inset-bottom)); }
.source { left: var(--s3); bottom: calc(var(--s3) + env(safe-area-inset-bottom)); }
}
/* ---- The phone --------------------------------------------------------
Below 600 this stops being a scaled-down desktop and becomes a different
layout, because the constraints are different in kind and not in degree:
there is no hover, so nothing may depend on it; there is no keyboard, so
a card explaining the keyboard is furniture; and there is one thumb,
which reaches the bottom third of the screen and not the top corners.
The renderer draws the same conclusion from the same numbers —
`deviceProfile()` in `stage.ts` keys off this exact 600px edge — so the
stylesheet and the pixel budget cannot drift apart. */
@media (max-width: 600px) {
/* Everything hit by a finger clears 44px, which is 11 steps of the 4px
rhythm and the smallest target anyone has managed to defend. `#help`
was 17px tall. */
#panel-toggle,
#enter,
#walk,
#screens,
.city,
.chapter,
.sheet-close {
min-height: 44px;
}
.chapter { align-items: center; }
.help,
.detail-close {
display: inline-flex;
align-items: center;
justify-content: center;
min-width: 44px;
min-height: 44px;
border-radius: 999px;
}
/* The rail spans the width so the detail card — now reachable, because
a marker picks on tap — is a readable line rather than a column. */
.rail {
left: var(--s3);
right: var(--s3);
max-width: none;
align-items: stretch;
}
/* No keyboard, so no key hints — and with them gone the card around
them is a full-width bar of glass holding one button. On a phone the
hint *is* the `?` button. */
/* The key hints go because there is no keyboard. The plan button is not
one of them and is not a `span`, so it stays — which is the whole
reason it exists. */
.hint span { display: none; }
.hint {
align-self: flex-end;
padding: 0;
border: 0;
background: none;
box-shadow: none;
backdrop-filter: none;
-webkit-backdrop-filter: none;
}
/* The honesty line moves out of the thumb's way rather than out of the
layout. It is the one caption that is never allowed to be dropped for
space, so it goes to the quiet corner under the ☰ button and stays to
one ellipsised line. */
.source {
top: calc(var(--s3) + env(safe-area-inset-top) + 3.1rem);
bottom: auto;
max-width: min(60vw, calc(100vw - var(--s3) * 2));
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
}
/* Except when it is carrying the office's disclosure, which is a
sentence and not a label. "sample occupancy · these people …" is a
truncation that removes the only word that mattered, and a disclosure
cut off mid-clause is worse than none at all — it looks like a caption
somebody bothered to write, so nobody goes looking for the rest. It
gets the width and the second line. */
body.sample-occupancy .source {
max-width: calc(100vw - var(--s3) * 2);
white-space: normal;
}
/* The plan, as a bottom sheet. At 11.5rem in a corner it ate a fifth of
a 375px map and its own affordances were about six pixels across —
a map you cannot read to move a map you can. Full width above the
rail, it is a plan view; and it is still off until asked for, which
on this layout means the "plan view" button on the rail. It was `M`
and only `M` for a while, which meant this block was written for a
device that could never reach it. */
.corner {
top: auto;
left: var(--s3);
right: var(--s3);
width: auto;
bottom: calc(var(--s3) + 3.5rem + env(safe-area-inset-bottom));
}
.minimap-frame { height: min(38dvh, 18rem); }
/* Hover-only text on a device with no hover. */
.minimap-readout { display: none; }
/* The panel, as a bottom sheet. A left drawer on a phone covers the
thing being looked at; a sheet rises from the edge the thumb starts
at, and the scrim behind it means tapping the map closes it. */
#panel {
inset: auto 0 0 0;
width: auto;
max-width: none;
max-height: 72dvh;
padding: var(--s4) var(--s3) calc(var(--s4) + env(safe-area-inset-bottom));
gap: var(--s2);
z-index: 6;
pointer-events: auto;
background: var(--glass-strong);
backdrop-filter: var(--blur);
-webkit-backdrop-filter: var(--blur);
border-top: 1px solid var(--hairline);
border-radius: var(--r) var(--r) 0 0;
box-shadow: 0 -8px 30px rgba(3, 6, 10, 0.5);
}
body.panel-closed #panel { transform: translateY(100%); opacity: 0; }
#scrim { display: block; }
body.panel-closed #scrim { display: none; }
}
/* The minimap's own visibility is a user decision (`M`, or the "plan view"
button on the rail), seeded from the viewport width by `main.ts` rather
than by a media query, so that toggling it on at 375px actually shows
it. */
body.minimap-off .corner { display: none; }
@media (prefers-reduced-motion: reduce) {
*, *::before, *::after {
transition-duration: 1ms !important;
animation-duration: 1ms !important;
animation-iteration-count: 1 !important;
}
.boot-bar i { width: 100%; transform: none; }
}
</style>
</head>
<body>
<canvas id="scene" aria-label="Map of California, seen from above. Drag to orbit, scroll to zoom."></canvas>
<button id="panel-toggle" class="panel-toggle" aria-expanded="true" aria-controls="panel">
<span class="glyph" aria-hidden="true"></span><span id="panel-toggle-label">California</span>
</button>
<div id="panel">
<section class="card">
<h1 id="title">California</h1>
<p id="subtitle">Tera · Lumbridge Simulate</p>
<p id="clock" class="clock" aria-live="polite"></p>
</section>
<nav id="cities" class="cities" aria-label="City"></nav>
<button id="enter" class="enter">Enter the office →</button>
<button id="walk" class="walk" aria-pressed="false" hidden>Walk as your dog →</button>
<button id="fly" class="walk" aria-pressed="false" hidden>Fly the California route →</button>
<button id="screens" class="walk" hidden>Office screens →</button>
<p class="card badge" id="office-badge" hidden></p>
<nav id="chapters" aria-label="Chapters"></nav>
<p class="card" id="blurb"></p>
</div>
<p class="card tier" id="tier" hidden></p>
<div id="presence-host" hidden></div>
<div id="webcam-face-indicator"></div>
<aside id="corner" class="corner" aria-label="Plan view">
<div class="card" id="minimap">
<div class="minimap-frame"></div>
<p id="minimap-readout" class="minimap-readout"></p>
</div>
</aside>
<div class="rail" id="rail">
<div class="card" id="detail" aria-live="polite" hidden>
<span id="detail-text"></span>
<button id="detail-close" class="detail-close" aria-label="Dismiss">×</button>
</div>
<div class="card hint" id="hint">
<span><kbd>1</kbd><kbd>9</kbd> chapters</span>
<span id="drive-hint">choose <kbd>2</kbd> or <kbd>3</kbd> to follow</span>
<span id="walk-hint" hidden><kbd>V</kbd> walk · <kbd>WASD</kbd> move</span>
<span><kbd>[</kbd> <kbd>]</kbd> city</span>
<span><kbd>O</kbd> office</span>
<span><kbd>M</kbd> plan</span>
<!-- The plan view's tap target, for the devices where `M` is not a
thing that exists. Until this button did, the plan was seeded off
below 600px and the key was the only way to turn it on, so the
bottom-sheet layout designed for it further up this file was
unreachable on the device it was drawn for. Hidden where the key
hint beside it is true; see `#plan-toggle` in the stylesheet.
`aria-pressed` and no second label, because the state it reports is
the map appearing next to it. -->
<button id="plan-toggle" class="help" aria-pressed="true">plan view</button>
<button id="help" class="help" aria-haspopup="dialog">? shortcuts</button>
</div>
</div>
<div id="drive-controls" class="drive-controls" aria-label="Vehicle controls" hidden>
<button class="drive-control" data-drive-key="a" aria-pressed="false">Left</button>
<button class="drive-control" data-drive-key="w" aria-pressed="false">Throttle</button>
<button class="drive-control" data-drive-key="s" aria-pressed="false">Brake</button>
<button class="drive-control" data-drive-key="d" aria-pressed="false">Right</button>
<button class="drive-control" data-drive-key=" " aria-pressed="false">Handbrake</button>
<button class="drive-control" data-drive-action="assist">Assist</button>
<button class="drive-control" data-drive-action="reset">Reset</button>
<button class="drive-control" data-drive-action="camera">Camera</button>
</div>
<div id="walk-controls" class="walk-controls" aria-label="Walking controls" hidden>
<button class="walk-control" data-walk-key="a" data-walk-label="Left" data-aircraft-label="Roll left" aria-pressed="false">Left</button>
<button class="walk-control" data-walk-key="w" data-walk-label="Forward" data-aircraft-label="Pitch up" aria-pressed="false">Forward</button>
<button class="walk-control" data-walk-key="s" data-walk-label="Back" data-aircraft-label="Pitch down" aria-pressed="false">Back</button>
<button class="walk-control" data-walk-key="d" data-walk-label="Right" data-aircraft-label="Roll right" aria-pressed="false">Right</button>
<button class="walk-control flight-only" data-walk-key="q" data-walk-label="Descend" data-aircraft-label="Yaw left" aria-pressed="false">Descend</button>
<button class="walk-control flight-only" data-walk-key="e" data-walk-label="Climb" data-aircraft-label="Yaw right" aria-pressed="false">Climb</button>
<button class="walk-control crow-only" data-walk-key="g" data-walk-label="Glide" aria-pressed="false" hidden>Glide</button>
<button class="walk-control aircraft-only" data-walk-key=" " data-aircraft-label="Throttle" aria-pressed="false" hidden>Throttle</button>
<button class="walk-control aircraft-only" data-aircraft-action="assist" hidden>Assist</button>
<button class="walk-control aircraft-only" data-aircraft-action="reset" hidden>Reset</button>
</div>
<p id="source" class="source"></p>
<div id="profile-overlay" class="profile-overlay" hidden></div>
<div id="screens-overlay" class="profile-overlay" hidden></div>
<!-- Behind the panel sheet on a phone, and nowhere else. A sheet with no
scrim leaves no way to dismiss it but the same button that opened it,
which is the wrong half of the screen for a thumb. -->
<div id="scrim"></div>
<div class="overlay" id="shortcuts" role="dialog" aria-modal="true"
aria-labelledby="shortcuts-title" hidden>
<div class="card sheet">
<h2 id="shortcuts-title">Keyboard</h2>
<dl class="keys">
<dt><kbd>1</kbd><kbd>9</kbd></dt><dd>Fly to a chapter, or an office viewpoint</dd>
<dt><kbd>W</kbd> <kbd>A</kbd> <kbd>S</kbd> <kbd>D</kbd></dt><dd>Drive, walk, or manually fly the California aircraft</dd>
<dt><kbd>V</kbd></dt><dd>Walk through an office / return to the dollhouse view</dd>
<dt><kbd>Q</kbd> / <kbd>E</kbd></dt><dd>Descend / climb while flying as a crow</dd>
<dt><kbd>Space</kbd></dt><dd>Handbrake while driving</dd>
<dt><kbd>P</kbd> / <kbd>R</kbd></dt><dd>Resume assisted drive or flight / reset the vehicle</dd>
<dt><kbd>C</kbd></dt><dd>Switch chase / driver-height camera</dd>
<dt><kbd>[</kbd> <kbd>]</kbd></dt><dd>Previous / next city</dd>
<dt><kbd>O</kbd></dt><dd>Enter or leave the office</dd>
<dt><kbd>M</kbd></dt><dd>Show or hide the plan view</dd>
<dt id="key-overlays"><kbd>?</kbd></dt><dd>This card</dd>
<dt><kbd>Esc</kbd></dt><dd>Close an overlay, or leave the office</dd>
<dt><kbd>Tab</kbd></dt><dd>Every control, in reading order</dd>
</dl>
<p class="boot-note">On the plan: click or drag to move the view, scroll to zoom,
arrow keys to aim and <kbd>Enter</kbd> to go.</p>
<h2 id="touch-title">Touch</h2>
<dl class="keys">
<dt>One finger</dt><dd>Orbit</dd>
<dt>Two fingers</dt><dd>Pinch to zoom, drag to move over the ground</dd>
<dt>Tap a marker</dt><dd>Its card, at the bottom of the screen</dd>
<dt>Route controls</dt><dd>Choose 101 or I-5; the driving pad appears at the bottom</dd>
<dt>Tap the map</dt><dd>Dismiss the card; tap the ☰ sheet's scrim to close it</dd>
<dt>Plan view</dt><dd>The button on the rail shows or hides it, as a sheet above the rail</dd>
</dl>
<!-- Stated as the rule rather than as a claim about this page, because
this file is static and the answer is not: one build serves a
deployment with a weather station and one with nothing at all. -->
<p class="boot-note">The markers on this map are fabricated. No real company data
ships in this build. A deployment wired to a live source names it in the corner —
<em>live weather</em>, <em>live traffic</em>, <em>live markers</em>, or
<em>live data</em> when all three are. Nothing in the corner means everything you
are looking at came out of this bundle.</p>
<!-- Credit for whatever live source is answering right now, written by
`renderCredits` in main.ts. Empty and hidden on a build with no
server, which is most of them — and not decoration when it is not:
MET Norway and Open-Meteo are CC BY 4.0 and the API forwards the
line each of them asks for. This card is where it is shown because
it is reachable from every state on both layouts, and because the
corner line is clamped to one ellipsised phrase on a phone. -->
<p class="boot-note credits" id="credits" hidden></p>
<button class="sheet-close" id="shortcuts-close">Close</button>
</div>
</div>
<div class="boot" id="boot">
<div class="boot-inner">
<p class="boot-mark">Tera</p>
<p class="boot-sub">Lumbridge Simulate · cities from above</p>
<div class="boot-bar"><i></i></div>
<p class="boot-step" id="boot-step">Starting up</p>
<p class="boot-note">Runs with no server, no key and no account. The markers are
fabricated — no real company data ships in this build.</p>
</div>
</div>
<script type="module" src="/src/main.ts"></script>
</body>
</html>