/* Micro Zoom: a Victorian natural-history laboratory through clean modern
   editorial design. Ivory paper, brass rules and vernier ticks, ink green,
   oxblood. Cormorant Garamond for display, DM Sans for the interface. */
:root {
  --ink: #18261d;
  --green: #1f3a2a;
  --green-2: #2b4c38;
  --deep: #0c1611;
  --ivory: #f3ead3;
  --ivory-2: #e7dab8;
  --paper-ink: #2a2a1e;
  --muted: #6c6550;
  --brass: #c89b47;
  --brass-hi: #f0d28c;
  --brass-lo: #7d5f26;
  --oxblood: #7d2b22;
  --oxblood-hi: #a83c2f;
  --serif: 'Cormorant Garamond', 'Cormorant', Georgia, 'Times New Roman', serif;
  --sans: 'DM Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --gutter: max(16px, env(safe-area-inset-left));
  --brass-grad: linear-gradient(180deg, #f6dc9a 0%, #d3a650 38%, #9c7631 62%, #e2bd6c 100%);
  --paper: none; /* applied after decoding the delivered paper */
}
* { box-sizing: border-box; scrollbar-width: thin; scrollbar-color: rgba(125, 95, 38, .48) transparent; }
::-webkit-scrollbar { width: 7px; height: 7px; }
::-webkit-scrollbar-track, ::-webkit-scrollbar-corner { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(125, 95, 38, .48); border: 2px solid transparent; background-clip: padding-box; border-radius: 8px; }
::-webkit-scrollbar-thumb:hover { background-color: rgba(125, 95, 38, .7); }
.intro-panel, .panel, .controls-card, .scroll { scrollbar-gutter: stable; }
html, body { margin: 0; height: 100%; overflow: hidden; background: var(--deep); color: var(--ivory); font: 16px/1.45 var(--sans); }
#app { position: fixed; inset: 0; overflow: hidden; }
button { font: inherit; color: inherit; }
[hidden] { display: none !important; }
.u { text-transform: none; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.screen { position: absolute; inset: 0; }
.muted { color: var(--muted); }
.hint { color: rgba(243, 234, 211, .62); font-size: .86rem; letter-spacing: .02em; }

/* Engraved small caps: data labels, eyebrows. */
.eyebrow { display: flex; align-items: center; gap: 12px; margin: 0 0 6px; font: 600 .78rem/1 var(--sans); letter-spacing: .26em; text-transform: uppercase; color: var(--brass-hi); }
.eyebrow span { white-space: nowrap; }
.eyebrow i { flex: 0 0 48px; height: 1px; background: linear-gradient(90deg, transparent, var(--brass), transparent); }
.eyebrow.small { font-size: .68rem; letter-spacing: .22em; }
.paper .eyebrow { color: var(--brass-lo); }

/* ------------------------------------------------------------------ title */
#title-bg { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
#title { display: grid; place-items: center; text-align: center;
  background: radial-gradient(ellipse at 50% 46%, rgba(8, 14, 10, .2) 0 30%, rgba(8, 14, 10, .72) 78%); }
.title-block { display: flex; flex-direction: column; align-items: center; padding: 0 var(--gutter); max-width: 100%; }
#logo-img { width: min(760px, 86vw); height: auto; filter: drop-shadow(0 8px 30px rgba(0, 0, 0, .55)); }
.logo-type { margin: 8px 0 0; display: flex; flex-direction: column; align-items: center; line-height: .82; font-family: var(--serif); font-weight: 600;
  text-transform: uppercase; letter-spacing: .08em; }
.logo-type .w1, .logo-type .w2 { background: var(--brass-grad); -webkit-background-clip: text; background-clip: text; color: transparent;
  filter: drop-shadow(0 2px 0 rgba(40, 26, 6, .9)) drop-shadow(0 10px 28px rgba(0, 0, 0, .6)); }
.logo-type .w1 { font-size: clamp(2.2rem, 7vw, 5.2rem); letter-spacing: .42em; margin-right: -.42em; font-weight: 500; }
.logo-type .w2 { font-size: clamp(4rem, 15vw, 11rem); display: inline-flex; align-items: center; letter-spacing: .02em; }
/* The Os of ZOOM are objective lenses seen end-on. */
.lens { display: inline-block; width: .74em; height: .74em; margin: 0 .03em; border-radius: 50%; position: relative; vertical-align: middle;
  background: radial-gradient(circle at 50% 50%, #dfe8cf 0 31%, #7f9877 32% 36%, #1a1d14 37% 47%, #d6aa58 48% 54%, #6e5222 55% 59%, #e8c879 60% 70%, #8a6a2c 71% 74%, #f0d58e 75% 82%, #5e451b 83% 100%);
  box-shadow: 0 0 0 .02em rgba(30, 20, 5, .8), 0 .06em .2em rgba(0, 0, 0, .55); }
.lens::after { content: ''; position: absolute; inset: 34%; border-radius: 50%;
  background: radial-gradient(circle at 38% 34%, rgba(255, 255, 255, .7), transparent 40%), radial-gradient(ellipse 34% 22% at 52% 56%, #6e8462 60%, transparent 64%); }
.lens + .lens::after { background: radial-gradient(circle at 38% 34%, rgba(255, 255, 255, .7), transparent 40%), radial-gradient(circle at 60% 60%, #4b7a70 0 9%, transparent 10%), radial-gradient(circle at 40% 45%, #4b7a70 0 6%, transparent 7%); }
.vernier { width: min(560px, 80vw); height: 22px; margin: 18px 0 26px;
  background:
    linear-gradient(var(--brass), var(--brass)) 0 0 / 100% 1px no-repeat,
    repeating-linear-gradient(90deg, var(--brass) 0 1px, transparent 1px 10%) 0 1px / 100% 14px no-repeat,
    repeating-linear-gradient(90deg, rgba(200, 155, 71, .7) 0 1px, transparent 1px 2%) 0 1px / 100% 7px no-repeat;
  -webkit-mask: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); mask: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); }
.press-start { appearance: none; cursor: pointer; border: 1px solid var(--brass); background: rgba(12, 22, 16, .55); color: var(--ivory);
  font: 600 1.5rem/1 var(--serif); letter-spacing: .32em; text-transform: uppercase; padding: 16px 30px 16px 38px; border-radius: 999px;
  box-shadow: inset 0 0 0 3px rgba(12, 22, 16, .6), inset 0 0 0 4px rgba(200, 155, 71, .35), 0 10px 30px rgba(0, 0, 0, .35);
  animation: pulse 2.4s ease-in-out infinite; transition: background .2s, transform .15s, color .2s; display: inline-flex; align-items: center; gap: 10px; }
.press-start:hover, .press-start.focus, .press-start:focus-visible { background: rgba(200, 155, 71, .22); color: #fff8e4; outline: none; }
.press-start:active { transform: scale(.97); background: rgba(200, 155, 71, .4); }
.press-start .g { letter-spacing: .02em; }
.press-start.small { font-size: 1.1rem; letter-spacing: .18em; padding: 12px 22px; animation: none; }
@keyframes pulse { 0%, 100% { opacity: 1; box-shadow: inset 0 0 0 3px rgba(12,22,16,.6), inset 0 0 0 4px rgba(200,155,71,.35), 0 0 0 0 rgba(200,155,71,0); }
  50% { opacity: .82; box-shadow: inset 0 0 0 3px rgba(12,22,16,.6), inset 0 0 0 4px rgba(200,155,71,.6), 0 0 34px 2px rgba(200,155,71,.28); } }

/* Joining is mentioned only on world select; the roster stays implicit. */
#join-hint { display: flex; align-items: center; gap: 7px; color: var(--ivory); opacity: .65;
  font: 600 .74rem/1 var(--sans); letter-spacing: .1em; text-transform: uppercase; }

/* Corner buttons: instructions, settings, sound, fullscreen (bottom right). */
.corner-buttons { position: absolute; right: max(16px, env(safe-area-inset-right)); bottom: max(16px, env(safe-area-inset-bottom)); display: flex; gap: 10px; z-index: 5; }
.icon-btn { position: relative; width: 52px; height: 52px; display: grid; place-items: center; border-radius: 50%; cursor: pointer; padding: 0;
  color: var(--brass-hi); background: radial-gradient(circle at 50% 35%, #26402f, #122019 70%); border: 1px solid var(--brass);
  box-shadow: inset 0 0 0 3px #101c15, inset 0 0 0 4px rgba(200, 155, 71, .45), 0 6px 18px rgba(0, 0, 0, .4); transition: transform .15s, color .15s, box-shadow .15s; }
.icon-btn svg { width: 24px; height: 24px; }
.icon-btn.small { width: 44px; height: 44px; }
.icon-btn.small svg { width: 20px; height: 20px; }
.icon-btn:hover, .icon-btn.focus, .icon-btn:focus-visible { color: #fff6dc; outline: none; transform: translateY(-2px);
  box-shadow: inset 0 0 0 3px #101c15, inset 0 0 0 4px var(--brass-hi), 0 0 0 3px rgba(240, 210, 140, .35), 0 8px 22px rgba(0, 0, 0, .5); }
.icon-btn:active { transform: scale(.94); }
.icon-btn[aria-pressed="false"].sound-btn { color: #c98f7f; }
.icon-btn .btn-label { position: absolute; bottom: calc(100% + 8px); left: 50%; transform: translateX(-50%) translateY(4px); white-space: nowrap; pointer-events: none;
  background: var(--ivory); color: var(--paper-ink); font: 600 .72rem/1 var(--sans); letter-spacing: .12em; text-transform: uppercase; padding: 6px 9px; border-radius: 4px;
  opacity: 0; transition: opacity .15s, transform .15s; box-shadow: 0 4px 12px rgba(0,0,0,.35); }
.icon-btn:hover .btn-label, .icon-btn.focus .btn-label, .icon-btn:focus-visible .btn-label { opacity: 1; transform: translateX(-50%); }
.corner-buttons .icon-btn:last-child .btn-label { left: auto; right: 0; transform: translateY(4px); }
.corner-buttons .icon-btn:last-child:hover .btn-label, .corner-buttons .icon-btn:last-child.focus .btn-label { transform: none; }

/* ------------------------------------------------------------------ menu */
#menu { overflow: hidden; }
.menu-bg { position: absolute; inset: -6%; background: radial-gradient(ellipse at 50% 40%, #234332 0%, #142a1e 45%, #08110c 100%); background-size: cover; background-position: center;
  transition: transform .9s cubic-bezier(.2, .7, .2, 1); }
.menu-bg.art { background-blend-mode: multiply; }
.menu-bg .grid { position: absolute; inset: 0; opacity: .5;
  background: repeating-linear-gradient(0deg, transparent 0 39px, rgba(200, 155, 71, .08) 39px 40px), repeating-linear-gradient(90deg, transparent 0 39px, rgba(200, 155, 71, .08) 39px 40px);
  -webkit-mask: radial-gradient(ellipse at 50% 50%, #000 20%, transparent 75%); mask: radial-gradient(ellipse at 50% 50%, #000 20%, transparent 75%); }
.menu-bg .glow { position: absolute; left: 50%; top: 46%; width: 80vmin; height: 80vmin; transform: translate(-50%, -50%); border-radius: 50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--world, #9fbf6a) 26%, transparent), transparent 66%); transition: background .6s; }
.screen-head { position: absolute; top: max(18px, env(safe-area-inset-top)); left: var(--gutter); right: var(--gutter); display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; z-index: 2; }
.screen-head h2 { margin: 0; font: 600 clamp(1.7rem, 3.6vw, 2.6rem)/1.05 var(--serif); color: var(--ivory); letter-spacing: .01em; }
.carousel { position: absolute; left: 0; right: 0; top: 50%; height: min(560px, 74vh); transform: translateY(-55%); perspective: 1400px; perspective-origin: 50% 46%; }
.wcard { --w: clamp(220px, 25vw, 300px); position: absolute; left: 50%; top: 50%; width: var(--w); margin-left: calc(var(--w) / -2); transform-style: preserve-3d;
  cursor: pointer; transition: transform .6s cubic-bezier(.2, .75, .2, 1), opacity .5s, filter .5s; will-change: transform; outline: none; }
.wcard .lift { position: relative; transform: translateY(-50%); }
.wcard .face { position: relative; border-radius: 10px; overflow: hidden; color: var(--paper-ink);
  background: var(--paper); background-color: var(--ivory);
  box-shadow: 0 0 0 1px #6e5222, 0 0 0 3px var(--brass), 0 0 0 4px #4f3a14, 0 22px 48px rgba(0, 0, 0, .55); transition: box-shadow .3s; }
.wcard.framed .no { top: 20px; left: 20px; }
.wcard.framed .stamp { top: 20px; right: 20px; }
.wcard.framed .body { padding-bottom: 22px; }
.wcard.framed .face { box-shadow: 0 22px 48px rgba(0, 0, 0, .55); border-radius: 14px; }
/* MP-G04, the brass bezel, as a nine-slice over the card. */
.wcard .frame { position: absolute; inset: -19px -19px -24px; pointer-events: none; z-index: 3;
  border-style: solid; border-width: 40px 40px 52px; border-image-slice: 120 120 170 fill; border-image-repeat: stretch; }
.wcard.framed.sel .face { box-shadow: 0 0 0 10px rgba(240, 210, 140, .16), 0 30px 70px rgba(0, 0, 0, .65); }
.wcard.sel .face { box-shadow: 0 0 0 1px #6e5222, 0 0 0 3px var(--brass-hi), 0 0 0 4px #4f3a14, 0 0 0 8px rgba(240, 210, 140, .22), 0 30px 70px rgba(0, 0, 0, .65); }
.wcard .art { position: relative; aspect-ratio: 4 / 3; background-size: cover; background-position: center; border-bottom: 1px solid var(--brass-lo); }
.wcard .art::after { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at 50% 50%, transparent 55%, rgba(0, 0, 0, .45)); }
.wcard .no { position: absolute; top: 12px; left: 12px; z-index: 2; font: 600 .66rem/1 var(--sans); letter-spacing: .2em; color: var(--ivory); text-transform: uppercase;
  background: rgba(14, 24, 18, .72); padding: 5px 8px; border-radius: 3px; border: 1px solid rgba(200, 155, 71, .6); }
.wcard .stamp { position: absolute; top: 12px; right: 12px; z-index: 2; font: 700 .6rem/1 var(--sans); letter-spacing: .18em; text-transform: uppercase;
  padding: 5px 7px; border-radius: 3px; color: #fff3e0; background: var(--oxblood); transform: rotate(3deg); box-shadow: 0 2px 6px rgba(0,0,0,.4); }
.wcard .stamp.new { background: rgba(14, 24, 18, .72); color: var(--brass-hi); border: 1px solid rgba(200, 155, 71, .6); transform: none; }
.wcard .stamp.far { background: var(--green-2); }
.wcard .body { padding: 12px 14px 14px; }
.wcard h3 { margin: 0; font: 600 1.55rem/1.05 var(--serif); color: var(--green); }
.wcard .who { margin: 2px 0 8px; font: italic 500 1rem/1.2 var(--serif); color: var(--muted); }
.wcard dl, .plate { display: grid; grid-template-columns: 1fr 1fr; gap: 0; margin: 0 0 8px; border-top: 1px solid rgba(125, 95, 38, .45); }
.wcard dl div, .plate div { padding: 5px 0 4px; border-bottom: 1px solid rgba(125, 95, 38, .25); }
.wcard dl div:nth-child(odd), .plate div:nth-child(odd) { padding-right: 8px; border-right: 1px solid rgba(125, 95, 38, .25); }
.wcard dl div:nth-child(even), .plate div:nth-child(even) { padding-left: 9px; }
.wcard dt, .plate dt { font: 700 .56rem/1 var(--sans); letter-spacing: .2em; text-transform: uppercase; color: var(--brass-lo); }
.wcard dd, .plate dd { margin: 3px 0 0; font: 600 1.02rem/1.1 var(--serif); color: var(--paper-ink); font-variant-numeric: lining-nums tabular-nums; }
.wcard dd small, .plate dd small { display: block; font: 500 .66rem/1.2 var(--sans); color: var(--muted); letter-spacing: .02em; }
.wcard .line { margin: 0; font-size: .82rem; line-height: 1.35; color: #4a4636; }
.wcard .look { margin: 0 0 6px; font: 600 .66rem/1.2 var(--sans); letter-spacing: .14em; text-transform: uppercase; color: var(--oxblood); }

.scale-rule { position: absolute; left: var(--gutter); right: var(--gutter); bottom: calc(max(16px, env(safe-area-inset-bottom)) + 74px); height: 56px; z-index: 2; }
.scale-rule .bar { position: absolute; left: 0; right: 0; top: 18px; height: 1px; background: var(--brass); }
.scale-rule .tick { position: absolute; top: 18px; width: 1px; background: var(--brass); }
.scale-rule .tick.major { height: 12px; }
.scale-rule .tick.minor { height: 5px; opacity: .7; }
.scale-rule .lab { position: absolute; top: 34px; transform: translateX(-50%); font: 600 .62rem/1 var(--sans); letter-spacing: .16em; color: rgba(240, 210, 140, .75); white-space: nowrap; }
.scale-rule .wm { position: absolute; top: 12px; width: 7px; height: 7px; margin-left: -3.5px; border-radius: 50%; background: #0c1611; border: 1px solid var(--brass); transition: background .3s; }
.scale-rule .wm.on { background: var(--brass-hi); }
.scale-rule .cursor { position: absolute; top: -2px; width: 0; transition: left .6s cubic-bezier(.2, .75, .2, 1); }
.scale-rule .cursor::before { content: ''; position: absolute; left: -7px; top: 0; border: 7px solid transparent; border-top: 10px solid var(--brass-hi); filter: drop-shadow(0 2px 3px rgba(0,0,0,.5)); }
.scale-rule .cursor > span { position: absolute; bottom: 14px; left: 0; transform: translateX(-50%); font: 600 .7rem/1 var(--sans); letter-spacing: .14em; text-transform: uppercase; color: var(--ivory); white-space: nowrap; }
.scale-rule .end { position: absolute; top: 34px; font: 600 .6rem/1 var(--sans); letter-spacing: .2em; text-transform: uppercase; color: rgba(243, 234, 211, .45); }

/* Glyphs: Xbox buttons, or keyboard keys when no controller is connected. */
.g { display: inline-grid; place-items: center; min-width: 22px; height: 22px; padding: 0 6px; border-radius: 11px; font: 700 .7rem/1 var(--sans); letter-spacing: .02em;
  background: #2c3a2c; color: #f4ecd6; box-shadow: inset 0 -2px 0 rgba(0, 0, 0, .25); vertical-align: middle; white-space: nowrap; }
.g.a { background: #3f8a34; color: #fff; } .g.b { background: #b0362f; color: #fff; } .g.x { background: #2f63b0; color: #fff; } .g.y { background: #c49a22; color: #1c1406; }
.g.kb { border-radius: 4px; background: #efe5c9; color: #2a2a1e; box-shadow: inset 0 -2px 0 rgba(0,0,0,.18), 0 0 0 1px #a99a72; }
/* A world's inline glyph (shared/hud.js) in text it sent to the shell, until refreshGlyphs restyles it as .g. */
.btn-g { display: inline-grid; place-items: center; min-width: 1.6em; height: 1.6em; padding: 0 .4em; border-radius: .8em; font: 700 .78em/1 var(--sans);
  background: #2c3a2c; color: #f4ecd6; vertical-align: middle; white-space: nowrap; }
.btn-g.a { background: #3f8a34; color: #fff; } .btn-g.b { background: #b0362f; color: #fff; } .btn-g.x { background: #2f63b0; color: #fff; } .btn-g.y { background: #c49a22; color: #1c1406; }
.btn-g.kb { border-radius: 4px; background: #efe5c9; color: #2a2a1e; }

/* ------------------------------------------------------------------ intro */
#intro { background: var(--deep); }
.intro-art { position: absolute; inset: 0; background-size: cover; background-position: center; transform: scale(1.04); animation: drift 30s ease-in-out infinite alternate; }
@keyframes drift { to { transform: scale(1.12) translate(-1.5%, -1%); } }
.intro-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(8, 14, 10, .75) 0%, rgba(8, 14, 10, .35) 46%, rgba(8, 14, 10, 0) 70%), radial-gradient(ellipse at 70% 50%, transparent 40%, rgba(0,0,0,.5)); }
.paper { background: var(--paper); background-color: var(--ivory); color: var(--paper-ink);
  box-shadow: 0 0 0 1px #6e5222, 0 0 0 3px var(--brass), 0 0 0 4px #4f3a14, 0 30px 80px rgba(0, 0, 0, .55); border-radius: 6px; }
.intro-panel { position: absolute; left: var(--gutter); top: max(16px, env(safe-area-inset-top)); bottom: max(16px, env(safe-area-inset-bottom)); width: min(620px, calc(100vw - 32px));
  padding: 26px 30px 22px; overflow: auto; scrollbar-width: thin; }
.intro-panel h2 { margin: 2px 0 0; font: 600 clamp(2.2rem, 4.6vw, 3.4rem)/1 var(--serif); color: var(--green); }
.intro-panel .latin { margin: 4px 0 14px; font: 500 1.15rem/1.2 var(--serif); color: var(--muted); }
.intro-panel .plate { grid-template-columns: repeat(4, 1fr); margin-bottom: 14px; }
.intro-panel .plate div { border-right: 1px solid rgba(125, 95, 38, .25); padding: 6px 8px 5px !important; }
.intro-panel .plate div:last-child { border-right: 0; }
.intro-panel h3 { margin: 12px 0 4px; font: 700 .64rem/1 var(--sans); letter-spacing: .22em; text-transform: uppercase; color: var(--brass-lo); }
.intro-panel p { margin: 0; font-size: .9rem; line-height: 1.45; }
.intro-panel p.goal { font: 500 1.12rem/1.35 var(--serif); color: var(--paper-ink); }
.intro-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 0 24px; }
.controls-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: auto 1fr; gap: 5px 9px; align-items: center; font-size: .86rem; }
.controls-list li { display: contents; }
.controls-list .g { justify-self: start; }
.facts { margin: 0; padding: 0 0 0 1.1em; font: 500 1rem/1.32 var(--serif); color: #3c3a2c; }
.facts li { margin: 3px 0; }
.facts li::marker { color: var(--brass); }
.intro-actions { display: flex; align-items: center; gap: 14px; margin-top: 18px; flex-wrap: wrap; }
.intro-panel .press-start { color: var(--ivory); background: var(--green); }
.intro-panel .press-start:hover, .intro-panel .press-start.focus { background: var(--green-2); }
.text-btn { appearance: none; border: 0; background: none; cursor: pointer; padding: 8px 10px; border-radius: 6px; display: inline-flex; align-items: center; gap: 8px; font-weight: 500; }
.paper .text-btn { color: var(--paper-ink); }
.text-btn:hover, .text-btn.focus, .text-btn:focus-visible { background: rgba(125, 95, 38, .14); outline: none; }

/* Tray <-> intro: the screen being left stays drawn underneath (a ghost)
   while the panel and the plate slide (openIntro, closeIntro in main.js). */
.ghost { pointer-events: none; }
#menu, #intro { isolation: isolate; } /* the menu's raised parts stay under the intro drawn over it */
#intro.tx { background: transparent; }
#intro.begin { z-index: 8; } /* Begin: the intro slides off over the world, its HUD and its loading veil */

/* The card-to-intro zoom (only when the card and the intro share an image). */
.zoomer { position: fixed; inset: 0; z-index: 30; pointer-events: none; overflow: hidden; }
.zoomer-plate { position: absolute; inset: 0; background-size: cover; background-position: center; transform: scale(1.04); }
.zoomer-face { position: absolute; background-size: cover; background-position: center; }

/* ------------------------------------------------------------------ play */
#play { background: transparent; pointer-events: none; }
#play > * { pointer-events: auto; }
#frame-host, #frame-host iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; display: block; }
#frame-host iframe { transition: opacity .5s; }
.play-hud { position: absolute; bottom: max(12px, env(safe-area-inset-bottom)); right: max(12px, env(safe-area-inset-right)); display: flex; flex-direction: column; align-items: flex-end; gap: 8px; z-index: 6; pointer-events: none; }
.play-hud > * { pointer-events: auto; }
.plaque { display: flex; align-items: baseline; gap: 10px; padding: 7px 14px 7px 10px; border-radius: 4px; background: rgba(12, 22, 16, .78); border: 1px solid var(--brass);
  box-shadow: inset 0 0 0 2px rgba(12,22,16,.8), inset 0 0 0 3px rgba(200, 155, 71, .35); backdrop-filter: blur(4px); }
.plaque .no { font: 700 .6rem/1 var(--sans); letter-spacing: .2em; color: var(--brass-hi); }
.plaque .nm { font: 600 1.15rem/1 var(--serif); color: var(--ivory); }
.plaque .mg { font: 600 .7rem/1 var(--sans); letter-spacing: .12em; color: rgba(243, 234, 211, .7); padding-left: 10px; border-left: 1px solid rgba(200,155,71,.5); }
#instructions-toggle { position: absolute; left: max(14px, env(safe-area-inset-left)); bottom: max(14px, env(safe-area-inset-bottom)); width: 44px; height: 44px; padding: 10px; border-radius: 50%; z-index: 7; }
#instructions-toggle[aria-expanded="true"] { color: var(--brass-hi); border-color: var(--brass-hi); }
.controls-card { position: absolute; left: max(14px, env(safe-area-inset-left)); top: max(14px, env(safe-area-inset-top)); width: min(360px, calc(100vw - 28px)); max-height: calc(100% - 84px); overflow: auto;
  padding: 16px 18px 14px; z-index: 6; transform-origin: 0 0; }
.controls-card h3 { margin: 0; font: 600 1.4rem/1.05 var(--serif); color: var(--green); }
.controls-card .sub { margin: 3px 0 10px; font-size: .8rem; color: var(--muted); }
.controls-card .controls-list { font-size: .82rem; }
.controls-card .foot { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-top: 10px; padding-top: 8px; border-top: 1px solid rgba(125, 95, 38, .3); font-size: .74rem; color: var(--muted); }
.controls-card .timer { height: 2px; background: var(--brass); transform-origin: 0 0; margin-top: 8px; }
.landmark-prompt { position: absolute; left: 50%; top: max(22px, calc(env(safe-area-inset-top) + 10px)); translate: -50% 0; z-index: 6; display: flex; align-items: center; gap: 14px;
  padding: 12px 26px 12px 14px; border-radius: 999px; background: rgba(12, 22, 16, .88); border: 2px solid var(--brass-hi); color: var(--ivory); font: 600 clamp(1.25rem, 2.4vw, 1.6rem)/1 var(--serif); letter-spacing: .03em;
  box-shadow: inset 0 0 0 1px rgba(12, 22, 16, .9), 0 0 0 1px rgba(79, 58, 20, .9), 0 6px 22px rgba(0, 0, 0, .5), 0 0 26px rgba(240, 210, 140, .3);
  text-shadow: 0 1px 2px rgba(0, 0, 0, .7); white-space: nowrap; max-width: calc(100vw - 32px); pointer-events: none;
  animation: promptIn .55s cubic-bezier(.2, .9, .3, 1.25) both, promptGlow 2.4s ease-in-out .55s infinite; }
.landmark-prompt .g { min-width: 34px; height: 34px; border-radius: 17px; font-size: .95rem; box-shadow: inset 0 -2px 0 rgba(0, 0, 0, .25), 0 0 0 2px rgba(240, 210, 140, .55); }
.landmark-prompt .g.kb { border-radius: 6px; }
@keyframes promptIn { from { opacity: 0; transform: translateY(-14px) scale(.9); } 60% { opacity: 1; } }
@keyframes promptGlow { 50% { border-color: #fff0c4; box-shadow: inset 0 0 0 1px rgba(12, 22, 16, .9), 0 0 0 1px rgba(79, 58, 20, .9), 0 6px 22px rgba(0, 0, 0, .5), 0 0 40px 4px rgba(240, 210, 140, .5); } }
/* A toast arriving while the prompt is up drops below it. */
body:has(#prompt:not([hidden])) .toasts { top: calc(max(22px, calc(env(safe-area-inset-top) + 10px)) + 74px); }
.veil { position: absolute; inset: 0; z-index: 7; display: grid; place-content: center; justify-items: center; gap: 18px; background: radial-gradient(ellipse at 50% 50%, #18291f, #070d09); transition: opacity .5s; }
.veil p { margin: 0; font: italic 500 1.3rem/1 var(--serif); color: rgba(243, 234, 211, .8); }
.veil.fade { opacity: 0; pointer-events: none; }
.objective-spin { width: 84px; height: 84px; border-radius: 50%; border: 2px solid var(--brass);
  background: repeating-conic-gradient(from 0deg, var(--brass) 0 1.2deg, transparent 1.2deg 10deg); -webkit-mask: radial-gradient(circle, transparent 0 58%, #000 59%); mask: radial-gradient(circle, transparent 0 58%, #000 59%);
  animation: spin 4s linear infinite; }
.art-loading::before { content: ''; position: absolute; left: calc(50% - 18px); top: calc(50% - 18px); width: 36px; height: 36px; border: 2px solid rgba(200,155,71,.2); border-top-color: var(--brass-hi); border-radius: 50%; animation: spin 1.4s linear infinite; z-index: 2; }
.art-error::before { content: 'Artwork unavailable'; position: absolute; inset: 0; display: grid; place-items: center; color: var(--brass-hi); font: italic 1rem var(--serif); }
#title-art-loading { position: absolute; inset: 0; pointer-events: none; }
#title-art-loading::before { top: 85%; }
.intro-art.art-loading { animation: none; }
.intro-art.art-loading::before { left: calc(75% - 18px); }
.menu-bg.art .grid, .menu-bg.art .glow { display: none; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Black hold while the world select's art loads or fullscreen settles (as #boot in index.html). */
.blackout { position: absolute; inset: 0; z-index: 26; background: #000; opacity: 1; transition: opacity .7s ease; }
.blackout.fade { opacity: 0; pointer-events: none; }
.blackout .bar { position: absolute; left: 50%; top: 62%; width: min(320px, 60vw); height: 2px; transform: translateX(-50%); background: rgba(200, 155, 71, .18); opacity: 0; transition: opacity .5s ease; }
.blackout.slow .bar { opacity: 1; }
.blackout .bar i { position: absolute; left: 0; top: 0; bottom: 0; width: 0; background: var(--brass-hi); transition: width .35s ease; }

/* ------------------------------------------------------------------ transition */
.transition { position: absolute; inset: 0; z-index: 20; background: #050806; }
.transition canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.tr-ring { position: absolute; left: 50%; top: 50%; width: 140vmax; height: 140vmax; transform: translate(-50%, -50%); border-radius: 50%; pointer-events: none;
  box-shadow: 0 0 0 100vmax rgba(5, 8, 6, .0), inset 0 0 120px 40px rgba(0, 0, 0, .55); }
.tr-caption, .tr-readout { z-index: 2; }
.tr-caption { position: absolute; top: 0; left: 0; right: 0; padding: max(22px, env(safe-area-inset-top)) 16px 46px; text-align: center; text-shadow: 0 2px 12px rgba(0,0,0,.8);
  background: linear-gradient(rgba(5, 8, 6, .82), rgba(5, 8, 6, .45) 60%, transparent); }
.tr-caption .eyebrow { justify-content: center; }
.tr-caption h2 { margin: 0; font: 600 clamp(1.6rem, 3.4vw, 2.4rem)/1.05 var(--serif); color: var(--ivory); }
.tr-readout { position: absolute; left: 50%; bottom: max(26px, env(safe-area-inset-bottom)); transform: translateX(-50%); display: flex; gap: 0; border: 1px solid var(--brass); border-radius: 4px;
  background: rgba(10, 16, 12, .72); font: 600 .8rem/1 var(--sans); letter-spacing: .14em; text-transform: uppercase; color: var(--ivory); font-variant-numeric: tabular-nums; white-space: nowrap; }
.tr-readout > span { padding: 9px 14px; min-width: 9.5em; text-align: center; }
.tr-readout > span + span { border-left: 1px solid rgba(200, 155, 71, .5); }

/* ------------------------------------------------------------------ modals */
.modal { position: absolute; inset: 0; z-index: 25; display: grid; place-items: center; padding: 16px; background: rgba(6, 11, 8, .55); backdrop-filter: blur(5px) saturate(.8); animation: fadeIn .25s both; }
.modal.dialog { z-index: 27; background: rgba(6, 11, 8, .4); }
/* Paused, the controls card stays sharp above the pause veil: only the scene
   is blurred (the owner, 2026-11-02). A dialog opened over the pause
   menu (z 27) still covers it. */
body:has(#pause:not([hidden])) .controls-card { z-index: 26; }
/* The pause veil dims but doesn't blur: the world blurs only its own drawing
   (frameBlur in main.js), so its info panels stay readable. */
#pause.modal { backdrop-filter: none; }
@keyframes fadeIn { from { opacity: 0; } }
.panel { position: relative; width: min(440px, 100%); max-height: calc(100% - 8px); overflow: auto; padding: 24px 26px 20px; animation: rise .35s cubic-bezier(.2, .75, .2, 1) both; }
.panel.wide { width: min(820px, 100%); display: flex; flex-direction: column; }
.panel.narrow { width: min(380px, 100%); }
@keyframes rise { from { opacity: 0; transform: translateY(12px) scale(.985); } }
.panel h2 { margin: 0 0 10px; font: 600 2rem/1.05 var(--serif); color: var(--green); }
.pause-panel { text-align: center; padding-top: 22px; }
.pause-panel .eyebrow { justify-content: center; }
.pause-panel h2 { font-size: 2.6rem; margin-bottom: 2px; }
.pause-panel #pause-reason { margin: 0 0 10px; font-size: .86rem; min-height: 1.2em; }
.menu-list { display: flex; flex-direction: column; gap: 6px; }
.menu-btn { appearance: none; cursor: pointer; width: 100%; padding: 11px 16px; border-radius: 4px; border: 1px solid rgba(125, 95, 38, .55); background: rgba(255, 252, 240, .45);
  color: var(--paper-ink); font: 600 1.18rem/1 var(--serif); letter-spacing: .02em; transition: background .15s, color .15s, box-shadow .15s; }
.menu-btn.primary { background: var(--green); color: var(--ivory); border-color: var(--green); }
.menu-btn:hover, .menu-btn.focus, .menu-btn:focus-visible { outline: none; background: var(--oxblood); color: #fff4e2; border-color: var(--oxblood); box-shadow: 0 0 0 3px rgba(125, 43, 34, .25); }
.row-buttons { display: flex; gap: 10px; margin-top: 16px; }
.settings-list { display: flex; flex-direction: column; gap: 4px; margin-bottom: 14px; }
.setting { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 4px 12px; padding: 9px 12px; border-radius: 4px; cursor: pointer; border: 1px solid transparent; background: none; text-align: left; width: 100%; color: inherit; }
.setting .lab { font: 600 1.08rem/1.1 var(--serif); }
.setting .about { grid-column: 1 / -1; font-size: .76rem; color: var(--muted); }
.setting .val { font: 700 .7rem/1 var(--sans); letter-spacing: .14em; text-transform: uppercase; padding: 6px 10px; border-radius: 999px; background: rgba(125, 95, 38, .16); white-space: nowrap; display: inline-flex; align-items: center; gap: 6px; }
.setting .val.on { background: var(--green); color: var(--ivory); }
.setting .val.off { background: rgba(125, 43, 34, .14); color: var(--oxblood); }
.setting .val .arrow { opacity: .55; }
.setting:hover, .setting.focus, .setting:focus-visible { outline: none; border-color: rgba(125, 95, 38, .55); background: rgba(255, 252, 240, .55); }
.setting .slider { width: 140px; height: 6px; border-radius: 3px; background: rgba(125, 95, 38, .25); position: relative; }
.setting .slider i { position: absolute; left: 0; top: 0; bottom: 0; border-radius: 3px; background: var(--brass); }
.setting .slider b { position: absolute; top: 50%; width: 14px; height: 14px; margin: -7px 0 0 -7px; border-radius: 50%; background: var(--brass-hi); box-shadow: 0 0 0 1px var(--brass-lo); }
.setting.dev .lab::after { content: 'Developer'; margin-left: 8px; font: 700 .56rem/1 var(--sans); letter-spacing: .16em; text-transform: uppercase; color: var(--oxblood); vertical-align: middle; }
.scroll { overflow: auto; flex: 1 1 auto; padding-right: 6px; margin-bottom: 14px; outline: none; scrollbar-width: thin; }
.scroll.focus { box-shadow: inset 0 0 0 1px rgba(125, 95, 38, .35); border-radius: 4px; }
.scroll h3 { margin: 16px 0 6px; font: 700 .66rem/1 var(--sans); letter-spacing: .22em; text-transform: uppercase; color: var(--brass-lo); }
.scroll p { margin: 0 0 8px; font-size: .92rem; }
.credits { text-align: center; }
.scroll .credits-game { font: 600 1.7rem/1.2 var(--serif); margin: 4px 0 12px; }
.credits-list { list-style: none; margin: 0 0 8px; padding: 0; }
.credits-list li { display: flex; flex-direction: column; margin: 0 0 8px; font-size: .95rem; }
.credits-list li span + span { font-size: .78rem; color: var(--brass-lo); letter-spacing: .04em; }
.credits-copy { margin-top: 18px !important; font-size: .8rem !important; opacity: .75; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 0 24px; }
.corner-buttons[data-group="corner-pause"] { z-index: 26; }
/* A dialog opened from the pause menu replaces it on screen. */
#pause:has(~ .modal.dialog:not([hidden])) .panel { visibility: hidden; }

/* Toasts: a player joining, landmarks. */
.toasts { position: absolute; left: 50%; top: max(18px, env(safe-area-inset-top)); transform: translateX(-50%); z-index: 40; display: flex; flex-direction: column; align-items: center; gap: 8px; pointer-events: none; }
.toast { display: flex; align-items: center; gap: 10px; padding: 9px 18px 9px 10px; border-radius: 999px; background: var(--ivory); color: var(--paper-ink);
  box-shadow: 0 0 0 1px #6e5222, 0 0 0 2px var(--brass), 0 12px 30px rgba(0, 0, 0, .45); font: 600 1.05rem/1 var(--serif); animation: toastIn .5s cubic-bezier(.2, .9, .3, 1.3) both; }
.toast.out { animation: toastOut .4s ease-in both; }
.toast b { width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; background: var(--pc, var(--green)); color: #1a1408; font: 700 .72rem/1 var(--sans); box-shadow: inset 0 0 0 2px rgba(0,0,0,.2); }
.toast small { font: 500 .74rem/1 var(--sans); letter-spacing: .06em; color: var(--muted); margin-left: 4px; }
@keyframes toastIn { from { opacity: 0; transform: translateY(-14px) scale(.9); } }
@keyframes toastOut { to { opacity: 0; transform: translateY(-10px); } }

/* ------------------------------------------------------------------ small screens */
@media (max-width: 760px) {
  .intro-cols, .two-col { grid-template-columns: 1fr; }
  .intro-panel .plate { grid-template-columns: 1fr 1fr; }
  .intro-panel { padding: 20px 18px; }
  .scale-rule .lab:nth-of-type(even) { display: none; }

  .tr-readout > span { min-width: 0; }
  .eyebrow { letter-spacing: .14em; gap: 8px; }
  .eyebrow i { flex-basis: 18px; }
  .intro-panel { top: 30vh; }
  .intro-panel .eyebrow { flex-wrap: wrap; }
  .intro-panel .eyebrow span { white-space: normal; }
  .intro-art.art-loading::before { left: calc(50% - 18px); top: calc(15% - 18px); }
}
@media (max-height: 560px) {
  .wcard .line, .wcard .look { display: none; }
  .scale-rule { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  .press-start, .landmark-prompt, .intro-art, .objective-spin { animation: none; }
  .art-loading::before { animation: none; }
}

/* Legibility over the delivered photographic art (menu MP-G03, title MP-G02):
   soft ink scrims behind the heading, the key hints and the title hint. */
.menu-bg::after { content: ''; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(180deg, rgba(6,14,10,.78) 0%, rgba(6,14,10,0) 22%, rgba(6,14,10,0) 72%, rgba(6,14,10,.82) 100%),
              linear-gradient(90deg, rgba(6,14,10,.55) 0%, rgba(6,14,10,0) 30%); }
.screen-head h2 { text-shadow: 0 1px 2px rgba(0,0,0,.85), 0 0 18px rgba(0,0,0,.6); }