/* game/ui.css — owned by the Game agent. One deliberate dark look (a game viewport): port-authority signage meets a film title card.
   Sections: tokens · page + boot · HUD · radio · touch controls · menus · panel · motion preferences. */
:root {
  color-scheme: dark;
  --ink: #0b0d0f; --ink-2: #14181b; --bone: #e8e4da; --bone-dim: rgba(232, 228, 218, .64); --bone-faint: rgba(232, 228, 218, .24);
  --signal: #ffb347; --signal-hot: #ffc977; --rust: #d2622a; --steel: #8d9aa3; --alarm: #ff5a40;
  --line: rgba(232, 228, 218, .2); --plate: rgba(11, 13, 15, .6); --plate-solid: rgba(11, 13, 15, .9);
  --f-display: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
  --f-label: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', system-ui, sans-serif;
  --f-mono: 'PingFang SC', 'Microsoft YaHei', ui-monospace, monospace;
  --sat: env(safe-area-inset-top, 0px); --sab: env(safe-area-inset-bottom, 0px);
  --sal: env(safe-area-inset-left, 0px); --sar: env(safe-area-inset-right, 0px);
  --gl: max(16px, env(safe-area-inset-left, 0px)); --gr: max(16px, env(safe-area-inset-right, 0px));
  --shadow: 0 0 2px rgba(0, 0, 0, .75), 0 1px 5px rgba(0, 0, 0, .55);
}
html, body { height: 100%; margin: 0; }
body { background: var(--ink); color: var(--bone); overflow: hidden; font-family: var(--f-label); -webkit-text-size-adjust: 100%; }
#app { position: fixed; inset: 0; overflow: hidden; background: var(--ink); -webkit-user-select: none; user-select: none; -webkit-tap-highlight-color: transparent; }
#app *, #app *::before, #app *::after { box-sizing: border-box; }
#view { position: absolute; inset: 0; width: 100%; height: 100%; display: block; outline: none; touch-action: none; }
#ui { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }

/* ---- boot ---- */
#boot { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px; background: var(--ink); transition: opacity .6s ease; z-index: 50;
  padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
#boot.done { opacity: 0; pointer-events: none; }
.boot-mark { font-family: var(--f-display); font-weight: 900; font-size: clamp(40px, 9vw, 96px); letter-spacing: .16em; margin-right: -.16em; color: var(--bone); line-height: 1; }
.boot-sub { font-family: var(--f-mono); font-size: 12px; letter-spacing: .18em; text-transform: uppercase; color: var(--steel); text-align: center; }
.boot-bar { width: min(320px, 70vw); height: 2px; background: #23282c; }
.boot-bar i { display: block; height: 100%; width: 0%; background: var(--signal); transition: width .25s ease; }
#fatal { position: absolute; left: 0; right: 0; bottom: 0; padding: 10px max(16px, env(safe-area-inset-right, 0px)) calc(10px + var(--sab)) max(16px, env(safe-area-inset-left, 0px)); font: 12px/1.4 var(--f-mono); color: #ffb4a8; background: rgba(40, 8, 4, .85); white-space: pre-wrap; z-index: 99; max-height: 40%; overflow: auto; pointer-events: auto; -webkit-user-select: text; user-select: text; }

/* =====================================================================  HUD  */
.hud { position: absolute; inset: 0; opacity: 0; transition: opacity .35s ease; pointer-events: none; color: var(--bone); text-shadow: var(--shadow); }
.hud.on { opacity: 1; }
.h-k { font: 600 11px/1 var(--f-label); letter-spacing: .26em; text-transform: uppercase; color: rgba(232, 228, 218, .72); }

/* compass */
.h-compass { position: absolute; top: calc(12px + var(--sat)); left: 50%; width: min(420px, calc(100vw - var(--gl) - var(--gr) - 8px)); height: 60px; transform: translateX(-50%); }
.h-tape-wrap { position: absolute; left: 0; right: 0; top: 0; height: 28px; overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 16%, #000 84%, transparent); mask-image: linear-gradient(90deg, transparent, #000 16%, #000 84%, transparent); }
.h-tape { position: absolute; left: 0; top: 0; height: 100%; width: 2168px; will-change: transform; }
.h-tape i { position: absolute; bottom: 0; width: 1px; margin-left: -.5px; background: var(--bone); box-shadow: 0 0 2px rgba(0, 0, 0, .6); }
.h-tape i.mn { height: 4px; opacity: .45; } .h-tape i.md { height: 7px; opacity: .8; } .h-tape i.mj { height: 10px; width: 2px; margin-left: -1px; }
.h-tape b { position: absolute; top: 0; transform: translateX(-50%); font-weight: 400; white-space: nowrap; }
.h-tape b.card { font: 700 16px/1 var(--f-display); letter-spacing: .04em; }
.h-tape b.ic { font: 600 11px/1.4 var(--f-label); color: var(--bone-dim); letter-spacing: .08em; }
.h-tape b.num { font: 400 9px/1.7 var(--f-mono); color: var(--bone-dim); }
.h-needle { position: absolute; left: 50%; top: 14px; width: 2px; height: 16px; margin-left: -1px; background: var(--signal); box-shadow: 0 0 0 1px rgba(0, 0, 0, .35); }
.h-heading { position: absolute; left: 100%; top: 9px; margin-left: 6px; font: 500 11px/1 var(--f-mono); color: var(--bone-dim); letter-spacing: .06em; }
.h-cmarks { position: absolute; left: 50%; top: 33px; width: 0; height: 0; }
.h-cm { position: absolute; left: -24px; top: 0; width: 48px; text-align: center; will-change: transform; color: var(--signal); }
.h-cm i { display: block; width: 8px; height: 8px; margin: 0 auto 3px; border: 1.5px solid currentColor; transform: rotate(45deg); background: rgba(11, 13, 15, .5); }
.h-cm b { font: 700 13px/1 var(--f-display); letter-spacing: .06em; margin-right: 4px; }
.h-cm span { font: 400 10px/1 var(--f-mono); color: var(--bone); }
.h-cm.edge { opacity: .55; }
.h-cm.extract { color: var(--bone); } .h-cm.extract i { background: var(--bone); }

/* objective tracker */
.h-obj { position: absolute; top: calc(16px + var(--sat)); left: var(--gl); max-width: min(300px, 42vw); padding-left: 12px; border-left: 2px solid var(--signal); opacity: 0; transition: opacity .3s; }
.h-obj.has { opacity: 1; }
.h-obj-t { font: 600 20px/1.1 var(--f-label); letter-spacing: .05em; text-transform: uppercase; margin: 6px 0 9px; min-height: 22px; }
.h-relays { display: flex; align-items: center; gap: 5px; font: 600 11px/1 var(--f-label); letter-spacing: .22em; text-transform: uppercase; color: rgba(232, 228, 218, .72); }
.h-relays span { margin-right: 4px; }
.h-relays i { width: 9px; height: 9px; border: 1.5px solid var(--bone); box-shadow: 0 0 2px rgba(0, 0, 0, .6); }
.h-relays i.cut { background: var(--signal); border-color: var(--signal); }
.h-relays b { font: 500 11px/1 var(--f-mono); letter-spacing: .04em; color: var(--bone); margin-left: 5px; }
@keyframes objflash { 0% { border-left-color: var(--bone); } 100% { border-left-color: var(--signal); } }
.h-obj.flash { animation: objflash .9s ease-out; }

/* wave warning */
.h-warn { position: absolute; left: 50%; top: 21%; transform: translateX(-50%); white-space: nowrap; opacity: 0; color: var(--signal);
  font: 700 clamp(20px, 3.6vw, 38px)/1 var(--f-display); letter-spacing: .24em; margin-right: -.24em; text-transform: uppercase; padding: 9px 0 8px; border-top: 1px solid currentColor; border-bottom: 1px solid currentColor; }
@keyframes warn { 0% { opacity: 0; letter-spacing: .5em; } 8% { opacity: 1; letter-spacing: .24em; } 14% { opacity: .35; } 20%, 82% { opacity: 1; } 100% { opacity: 0; } }
.h-warn.on { animation: warn 3.4s linear both; }

/* crosshair + hit marker */
.h-cross { position: absolute; left: 50%; top: 50%; width: 0; height: 0; transition: opacity .1s; }
.h-cross.off { opacity: 0; }
.h-cross i { position: absolute; left: 0; top: 0; background: var(--bone); box-shadow: 0 0 0 1px rgba(0, 0, 0, .4); transition: transform .06s linear; }
.h-cross .c-t, .h-cross .c-b { width: 2px; height: 9px; transform: translate3d(-50%, 0, 0); }
.h-cross .c-l, .h-cross .c-r { width: 9px; height: 2px; transform: translate3d(0, -50%, 0); }
.h-cross .c-dot { width: 2px; height: 2px; margin: -1px 0 0 -1px; opacity: .85; }
.h-hit { position: absolute; left: 50%; top: 50%; width: 30px; height: 30px; transform: translate(-50%, -50%); opacity: 0; }
.h-hit i { position: absolute; width: 2px; height: 11px; background: #fff; box-shadow: 0 0 0 1px rgba(0, 0, 0, .35); }
.h-hit i:nth-child(1) { left: 3px; top: 0; transform: rotate(-45deg); } .h-hit i:nth-child(2) { right: 3px; top: 0; transform: rotate(45deg); }
.h-hit i:nth-child(3) { left: 3px; bottom: 0; transform: rotate(45deg); } .h-hit i:nth-child(4) { right: 3px; bottom: 0; transform: rotate(-45deg); }
.h-hit.weak i { background: var(--signal); } .h-hit.kill i { background: var(--alarm); width: 3px; }

/* damage direction */
.h-arcs { position: absolute; inset: 0; }
.h-arc { position: absolute; left: 50%; top: 50%; width: min(72vh, 94vw); aspect-ratio: 1; transform: translate(-50%, -50%); opacity: 0; will-change: transform, opacity; }
.h-arc svg { width: 100%; height: 100%; display: block; overflow: visible; }
.h-arc path { fill: none; stroke: var(--alarm); stroke-width: 4; opacity: .9; }
.h-arc path.tip { stroke-width: 2.5; }

/* interaction prompt */
.h-prompt { position: absolute; left: 50%; top: 61%; transform: translateX(-50%); display: flex; align-items: center; gap: 12px; opacity: 0; transition: opacity .15s; white-space: nowrap; }
.h-prompt.on { opacity: 1; }
.h-prompt svg { width: 48px; height: 48px; flex: none; }
.h-prompt circle { fill: none; stroke-width: 3; }
.h-prompt .bg { stroke: var(--bone-faint); fill: rgba(11, 13, 15, .5); } .h-prompt .fg { stroke: var(--signal); }
.h-key { position: absolute; left: 0; top: 0; width: 48px; line-height: 48px; text-align: center; font: 700 19px/48px var(--f-display); letter-spacing: .04em; }
.h-key.wide { font-size: 12px; letter-spacing: .1em; }
.h-plabel { font: 600 16px/1 var(--f-label); letter-spacing: .14em; text-transform: uppercase; padding: 7px 10px 6px; background: var(--plate); border-left: 2px solid var(--signal); }
.h-prompt.busy .h-plabel { color: var(--signal); }

/* kill feed + transient message */
.h-feed { position: absolute; right: var(--gr); top: 31%; text-align: right; }
.h-fl { font: 500 13px/1.5 var(--f-label); letter-spacing: .18em; text-transform: uppercase; color: var(--bone-dim); transition: opacity .5s; }
.h-fl b { font-weight: 600; color: var(--bone); } .h-fl em { font-style: normal; color: var(--signal); margin-left: 10px; }
.h-fl.out { opacity: 0; }
.h-msg { position: absolute; left: 50%; bottom: calc(23% + var(--sab)); transform: translateX(-50%); max-width: calc(100vw - var(--gl) - var(--gr)); text-align: center; padding: 6px 10px; background: var(--plate);
  font: 400 11px/1.4 var(--f-mono); letter-spacing: .08em; text-transform: uppercase; opacity: 0; transition: opacity .3s; }
.h-msg.on { opacity: 1; }

/* health (only while hurt) */
.h-health { position: absolute; left: var(--gl); bottom: calc(22px + var(--sab)); opacity: 0; transition: opacity .6s; }
.h-health.on { opacity: 1; transition-duration: .12s; }
.h-hp-row { display: flex; align-items: flex-end; gap: 10px; margin-top: 6px; }
.h-hp-n { font: 700 34px/.82 var(--f-display); letter-spacing: .02em; min-width: 1.6em; }
.h-hp-bar { display: flex; gap: 3px; padding-bottom: 2px; }
.h-hp-bar i { width: 15px; height: 5px; background: var(--bone); box-shadow: 0 0 2px rgba(0, 0, 0, .6); }
.h-hp-bar i.off { background: transparent; box-shadow: inset 0 0 0 1px var(--bone-faint); }
.h-health.crit .h-hp-n { color: var(--alarm); } .h-health.crit .h-hp-bar i:not(.off) { background: var(--alarm); }

/* ammo */
.h-ammo { position: absolute; right: var(--gr); bottom: calc(20px + var(--sab)); text-align: right; }
.h-cue { height: 16px; font: 600 12px/16px var(--f-label); letter-spacing: .26em; margin-right: -.26em; text-transform: uppercase; color: var(--signal); opacity: 0; }
.h-cue.on { opacity: 1; } .h-cue.urgent { color: var(--alarm); animation: blink .7s steps(2, jump-none) infinite; }
@keyframes blink { 0% { opacity: 1; } 100% { opacity: .35; } }
.h-ammo-row { display: flex; align-items: flex-end; justify-content: flex-end; gap: 8px; }
.h-ammo-n { font: 700 76px/.8 var(--f-display); letter-spacing: .01em; font-variant-numeric: tabular-nums; }
.h-ammo-r { font: 500 15px/1 var(--f-mono); color: var(--bone); padding-bottom: 3px; }
.h-ammo-r::before { content: '/ '; color: var(--bone-dim); }
.h-ammo.low .h-ammo-n { color: var(--signal); }
.h-pips { display: flex; justify-content: flex-end; gap: 2px; margin: 9px 0 7px; }
.h-pips i { width: 3px; height: 11px; background: var(--bone); box-shadow: 0 0 2px rgba(0, 0, 0, .5); }
.h-pips i.off { background: var(--bone-faint); box-shadow: none; }
.h-ammo.low .h-pips i:not(.off) { background: var(--signal); }
.h-wname { font: 600 11px/1 var(--f-label); letter-spacing: .28em; margin-right: -.28em; text-transform: uppercase; color: rgba(232, 228, 218, .82); }

/* world-space objective diamonds */
.h-marks { position: absolute; inset: 0; transition: opacity .15s; } .h-marks.off { opacity: 0; }
.h-wm { position: absolute; left: 0; top: 0; width: 0; height: 0; color: var(--signal); will-change: transform; opacity: .78; transition: opacity .25s; }
.h-wm.dim { opacity: .22; }
.h-wm i { position: absolute; left: -5px; top: -5px; width: 10px; height: 10px; border: 1.5px solid currentColor; transform: rotate(45deg); background: rgba(11, 13, 15, .45); box-shadow: 0 0 3px rgba(0, 0, 0, .5); }
.h-wm b { position: absolute; left: -30px; width: 60px; top: -24px; text-align: center; font: 700 12px/1 var(--f-display); letter-spacing: .08em; }
.h-wm span { position: absolute; left: -30px; width: 60px; top: 11px; text-align: center; font: 400 10px/1 var(--f-mono); color: var(--bone); }
.h-wm.offscreen { opacity: .7; } .h-wm.offscreen i { left: -5px; top: -5px; width: 10px; height: 10px; } .h-wm.offscreen b { top: -24px; font-size: 12px; }
.h-wm.near { opacity: 0; }
.h-wm.extract { color: var(--bone); } .h-wm.extract i { background: var(--bone); }

/* =====================================================================  radio subtitles  */
.comms { position: absolute; left: 50%; bottom: calc(15% + var(--sab)); transform: translateX(-50%); width: min(620px, calc(100vw - var(--gl) - var(--gr))); text-align: center; opacity: 0; transition: opacity .3s; text-shadow: var(--shadow); }
.comms.on { opacity: 1; }
.comms-who { display: block; font: 600 11px/1 var(--f-label); letter-spacing: .34em; margin-right: -.34em; text-transform: uppercase; color: var(--signal); margin-bottom: 6px; }
.comms-t { display: inline; font: 500 19px/1.3 var(--f-label); letter-spacing: .02em; color: var(--bone); background: var(--plate); box-decoration-break: clone; -webkit-box-decoration-break: clone; padding: 2px 8px; }

/* =====================================================================  touch controls  */
.touch { position: absolute; inset: 0; display: none; pointer-events: none; }
.touch.on { display: block; }
.t-stick { position: absolute; left: 0; top: 0; width: 0; height: 0; opacity: 0; transition: opacity .12s; }
.t-stick.on { opacity: 1; }
.t-ring { position: absolute; left: -58px; top: -58px; width: 116px; height: 116px; border-radius: 50%; border: 1.5px solid rgba(232, 228, 218, .5); background: rgba(11, 13, 15, .18); }
.t-nub { position: absolute; left: -24px; top: -24px; width: 48px; height: 48px; border-radius: 50%; background: rgba(232, 228, 218, .3); border: 1.5px solid rgba(232, 228, 218, .7); }
.t-btn { position: absolute; pointer-events: auto; touch-action: none; border-radius: 50%; border: 1.5px solid rgba(232, 228, 218, .55); background: rgba(11, 13, 15, .38); color: var(--bone);
  font: 600 12px/1 var(--f-label); letter-spacing: .14em; padding: 0; margin: 0; -webkit-appearance: none; appearance: none; }
.t-btn span { pointer-events: none; margin-right: -.14em; }
.t-btn.active { background: rgba(255, 179, 71, .32); border-color: var(--signal); color: var(--signal); }
.t-fire { width: 86px; height: 86px; right: calc(20px + var(--sar)); bottom: calc(62px + var(--sab)); font-size: 14px; }
.t-ads { width: 60px; height: 60px; right: calc(120px + var(--sar)); bottom: calc(34px + var(--sab)); }
.t-jump { width: 60px; height: 60px; right: calc(20px + var(--sar)); bottom: calc(164px + var(--sab)); }
.t-reload { width: 54px; height: 54px; right: calc(108px + var(--sar)); bottom: calc(126px + var(--sab)); }
.t-interact { width: 68px; height: 68px; right: calc(186px + var(--sar)); bottom: calc(96px + var(--sab)); border-color: var(--signal); color: var(--signal); display: none; }
.t-interact.on { display: block; }
.t-pause { width: 42px; height: 42px; border-radius: 0; right: calc(12px + var(--sar)); top: calc(12px + var(--sat)); letter-spacing: .2em; }
/* touch layout: keep the thumbs' corners clear */
.is-touch .h-ammo { bottom: auto; top: calc(64px + var(--sat)); }
.is-touch .h-ammo-n { font-size: 44px; } .is-touch .h-pips { margin: 6px 0 5px; } .is-touch .h-pips i { height: 7px; width: 2px; }
.is-touch .h-health { bottom: auto; top: calc(128px + var(--sat)); }
.is-touch .h-feed { top: calc(150px + var(--sat)); }
.is-touch .comms { bottom: auto; top: calc(27% + var(--sat)); }
.is-touch .h-compass { width: min(300px, calc(100vw - var(--gl) - var(--gr) - 120px)); }

/* =====================================================================  menus  */
.menu { position: absolute; inset: 0; pointer-events: none; color: var(--bone); }
.menu.open { pointer-events: auto; }
.menu h1, .menu h2, .menu h3, .menu p, .menu dl, .menu dd, .menu dt { margin: 0; padding: 0; }
.m-veil { position: absolute; inset: 0; opacity: 0; transition: opacity .5s ease; background: rgba(6, 8, 10, .62); }
.menu.open .m-veil { opacity: 1; }
/* title: a reading scrim on the text side only — the scene stays the picture */
.menu[data-screen="title"] .m-veil { background: linear-gradient(90deg, rgba(6, 8, 10, .82) 0%, rgba(6, 8, 10, .5) 38%, rgba(6, 8, 10, 0) 72%), linear-gradient(0deg, rgba(6, 8, 10, .7) 0%, rgba(6, 8, 10, 0) 46%); }
.menu[data-screen="dead"] .m-veil { background: rgba(6, 8, 10, .35); }
.m-bars i { position: absolute; left: 0; right: 0; height: calc(clamp(14px, 5.5vh, 52px) + var(--sat)); background: #000; top: 0; transform: translateY(-101%); transition: transform .7s cubic-bezier(.2, .7, .2, 1); }
.m-bars i + i { top: auto; bottom: 0; height: calc(clamp(14px, 5.5vh, 52px) + var(--sab)); transform: translateY(101%); }
.menu[data-screen="title"] .m-bars i { transform: none; }

.m-screen { position: absolute; display: none; }
.menu[data-screen="title"] .m-title { display: flex; }
.menu[data-screen="paused"] [data-s="paused"], .menu[data-screen="dead"] [data-s="dead"], .menu[data-screen="complete"] [data-s="complete"] { display: block; }

/* ---- title ---- */
.m-title { inset: 0; align-items: flex-end; justify-content: space-between; gap: 32px;
  padding: calc(clamp(14px, 5.5vh, 52px) + var(--sat) + 20px) max(var(--gr), 4.5vw) calc(clamp(14px, 5.5vh, 52px) + var(--sab) + clamp(18px, 5vh, 56px)) max(var(--gl), 5.5vw); }
.m-title-main { min-width: 0; flex: 1 1 auto; }
.m-eyebrow { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 14px; font: 600 13px/1.2 var(--f-label); letter-spacing: .24em; text-transform: uppercase; }
.m-tag { font: 900 15px/1 var(--f-display); letter-spacing: .06em; color: var(--ink); background: var(--signal); padding: 4px 7px 3px; }
.m-dim { color: var(--bone-dim); }
.m-word { font: 900 clamp(52px, 15.5vw, 208px)/.8 var(--f-display) !important; letter-spacing: .15em !important; margin: clamp(10px, 2vh, 22px) -.15em clamp(12px, 2.2vh, 24px) -.035em !important; color: var(--bone); white-space: nowrap; text-shadow: 0 2px 30px rgba(0, 0, 0, .35); }
.m-premise { position: relative; padding-top: 16px !important; border-top: 1px solid var(--line); font: 500 clamp(17px, 1.55vw, 22px)/1.3 var(--f-label); letter-spacing: .03em; color: rgba(232, 228, 218, .9); max-width: 40em; }
.m-premise::before { content: ''; position: absolute; left: 0; top: -2px; width: 72px; height: 3px; background: var(--signal); }
.m-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: clamp(16px, 3vh, 28px); }
.m-actions.col { flex-direction: column; align-items: stretch; margin-top: 22px; }
.m-note { margin-top: clamp(14px, 2.6vh, 26px) !important; font: 400 11px/1.5 var(--f-mono); letter-spacing: .04em; color: var(--steel); max-width: 52ch; }

.btn { font: 600 15px/1 var(--f-label); letter-spacing: .22em; text-transform: uppercase; color: var(--bone); background: rgba(11, 13, 15, .55); border: 1px solid rgba(232, 228, 218, .42);
  border-radius: 0; min-height: 46px; padding: 2px 22px 0; cursor: pointer; text-align: center; -webkit-appearance: none; appearance: none; transition: background .12s, border-color .12s, color .12s; }
.btn:hover { border-color: var(--bone); background: rgba(232, 228, 218, .12); }
.btn:active { background: rgba(232, 228, 218, .22); }
.btn.primary { background: var(--signal); border-color: var(--signal); color: var(--ink); font-size: 18px; font-weight: 600; letter-spacing: .3em; min-height: 52px; padding: 2px 40px 0 44px; }
.btn.primary:hover { background: var(--signal-hot); border-color: var(--signal-hot); }
.btn.small { min-height: 34px; font-size: 12px; padding: 1px 14px 0; }
.m-actions.col .btn { text-align: left; padding-left: 18px; }
.menu button:focus-visible, .menu input:focus-visible { outline: 2px solid var(--signal); outline-offset: 3px; }
.btn.primary:focus-visible { outline-color: var(--bone); }

/* controls at a glance on the title (wide screens; the Controls button covers the rest) */
.m-legend { display: none; flex: none; text-align: right; text-shadow: var(--shadow); padding-bottom: 2px; }
.m-legend > div { display: flex; justify-content: flex-end; align-items: center; gap: 18px; margin-top: 9px; font: 500 12px/1 var(--f-label); letter-spacing: .16em; text-transform: uppercase; color: rgba(232, 228, 218, .78); white-space: nowrap; }
.m-legend kbd { margin-right: 3px; background: rgba(11, 13, 15, .45); }
.m-legend .lg-touch { margin-top: 13px; padding-top: 11px; border-top: 1px solid var(--line); color: var(--bone-dim); }
.m-legend em { font-style: normal; color: var(--signal); letter-spacing: .26em; }
@media (min-width: 1180px) and (min-height: 600px) { .m-legend { display: block; } }
.keys > div { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; padding: 3px 0; }
.keys dt { font: 500 12px/1.3 var(--f-label); letter-spacing: .16em; text-transform: uppercase; color: var(--steel); white-space: nowrap; }
.keys dd { font: 500 13px/1.3 var(--f-label); letter-spacing: .04em; color: var(--bone); text-align: right; }
kbd { display: inline-block; font: 500 10px/1 var(--f-mono); color: var(--bone); border: 1px solid rgba(232, 228, 218, .45); padding: 3px 4px 2px; margin: 0 1px; min-width: 18px; text-align: center; text-transform: uppercase; }

/* ---- cards: paused / dead / debrief ---- */
.m-card { left: 50%; top: 50%; transform: translate(-50%, -50%); width: min(430px, calc(100vw - var(--gl) - var(--gr))); max-height: calc(100vh - 24px - var(--sat) - var(--sab)); overflow: auto;
  padding: 26px 26px 24px; background: var(--plate-solid); border: 1px solid var(--line); border-top: 3px solid var(--signal); }
.m-card.m-dead { border-top-color: var(--alarm); }
.m-k { font: 600 12px/1 var(--f-label); letter-spacing: .28em; text-transform: uppercase; color: var(--steel); }
.m-h { font: 900 clamp(40px, 11vw, 62px)/.86 var(--f-display) !important; letter-spacing: .08em; text-transform: uppercase; margin: 10px 0 12px !important; }
.m-dead .m-h { color: var(--alarm); }
.m-debrief .m-h { font-size: clamp(30px, 8.6vw, 44px) !important; white-space: nowrap; }
.m-line { font: 400 11px/1.5 var(--f-mono); letter-spacing: .04em; color: var(--steel); min-height: 1px; }
.m-stats > div { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; padding: 9px 0 8px; border-top: 1px solid var(--line); }
.m-stats > div:last-child { border-bottom: 1px solid var(--line); }
.m-stats dt { font: 500 13px/1 var(--f-label); letter-spacing: .18em; text-transform: uppercase; color: var(--steel); }
.m-stats dd { font: 500 16px/1 var(--f-mono); color: var(--bone); }
.m-rating { display: flex; align-items: baseline; justify-content: space-between; gap: 14px; margin: 4px 0 12px; }
.m-rating span { font: 500 13px/1 var(--f-label); letter-spacing: .18em; text-transform: uppercase; color: var(--steel); }
.m-rating b { font: 900 46px/.9 var(--f-display); letter-spacing: .08em; text-transform: uppercase; color: var(--signal); }

/* ---- settings / controls panel ---- */
.panel { position: absolute; top: 0; right: 0; bottom: 0; width: min(440px, 100vw); display: flex; flex-direction: column; background: rgba(11, 13, 15, .95); border-left: 1px solid var(--line);
  padding: calc(10px + var(--sat)) 0 var(--sab); z-index: 5; }
.panel[hidden] { display: none; }
.panel:focus { outline: none; }
.panel-h { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 8px max(20px, var(--sar)) 0 22px; border-bottom: 1px solid var(--line); }
.tabs { display: flex; gap: 22px; }
.tab { font: 600 15px/1 var(--f-label); letter-spacing: .22em; text-transform: uppercase; color: var(--steel); background: none; border: 0; border-bottom: 3px solid transparent; border-radius: 0; padding: 14px 0 12px; cursor: pointer; margin-bottom: -1px; }
.tab[aria-selected="true"] { color: var(--bone); border-bottom-color: var(--signal); }
.tab:hover { color: var(--bone); }
.panel-b { flex: 1 1 auto; overflow-y: auto; padding: 6px max(20px, var(--sar)) 24px 22px; -webkit-overflow-scrolling: touch; }
.panel-b[hidden] { display: none; }
.panel-b h3 { font: 600 11px/1 var(--f-label); letter-spacing: .26em; text-transform: uppercase; color: var(--steel); margin: 20px 0 8px !important; padding-bottom: 8px; border-bottom: 1px solid var(--line); }
.panel-note { font: 400 11px/1.6 var(--f-mono); letter-spacing: .02em; color: var(--steel); margin-top: 14px !important; }
.row { padding: 15px 0 16px; border-bottom: 1px solid var(--line); display: grid; gap: 10px; }
.row[hidden] { display: none; }
.row .btn.small { justify-self: start; min-height: 38px; }
.row label { font: 600 13px/1 var(--f-label); letter-spacing: .2em; text-transform: uppercase; color: var(--bone); }
.seg { display: flex; }
.seg button { flex: 1 1 0; min-width: 0; min-height: 40px; font: 600 13px/1 var(--f-label); letter-spacing: .16em; text-transform: uppercase; color: var(--bone-dim); background: transparent; border: 1px solid rgba(232, 228, 218, .35); border-radius: 0; margin-left: -1px; padding: 1px 0 0; cursor: pointer; }
.seg button:first-child { margin-left: 0; }
.seg button:hover { color: var(--bone); }
.seg button[aria-pressed="true"] { background: var(--bone); border-color: var(--bone); color: var(--ink); position: relative; }
.slider { display: flex; align-items: center; gap: 14px; }
.slider output { font: 500 13px/1 var(--f-mono); color: var(--bone); min-width: 5ch; text-align: right; }
.slider input { flex: 1 1 auto; min-width: 0; height: 28px; margin: 0; background: transparent; -webkit-appearance: none; appearance: none; cursor: pointer; }
.slider input::-webkit-slider-runnable-track { height: 2px; background: rgba(232, 228, 218, .35); }
.slider input::-moz-range-track { height: 2px; background: rgba(232, 228, 218, .35); }
.slider input::-webkit-slider-thumb { -webkit-appearance: none; width: 10px; height: 22px; margin-top: -10px; background: var(--signal); border: 0; border-radius: 0; }
.slider input::-moz-range-thumb { width: 10px; height: 22px; background: var(--signal); border: 0; border-radius: 0; }
.toggle { display: inline-flex; align-items: center; gap: 12px; justify-self: start; background: none; border: 0; padding: 4px 0; color: var(--bone); cursor: pointer; font: 500 13px/1 var(--f-mono); }
.toggle i { position: relative; width: 44px; height: 22px; border: 1px solid rgba(232, 228, 218, .45); }
.toggle i::after { content: ''; position: absolute; left: 3px; top: 3px; width: 16px; height: 14px; background: var(--bone-dim); transition: transform .12s, background .12s; }
.toggle[aria-pressed="true"] i { border-color: var(--signal); } .toggle[aria-pressed="true"] i::after { transform: translateX(20px); background: var(--signal); }

/* ---- intro location card ---- */
.loc-card { position: absolute; left: max(var(--gl), 5.5vw); bottom: calc(28vh + var(--sab)); padding-left: 16px; opacity: 0; transition: opacity .5s; text-shadow: var(--shadow); max-width: calc(100vw - var(--gl) - var(--gr) - 16px); }
.loc-card i { position: absolute; left: 0; top: 2px; bottom: 2px; width: 3px; background: var(--signal); }
.loc-card b { display: block; font: 700 clamp(19px, 3vw, 34px)/1.05 var(--f-display); letter-spacing: .16em; text-transform: uppercase; }
.loc-card span { display: block; margin-top: 7px; font: 400 11px/1.4 var(--f-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--bone-dim); }
@keyframes locin { from { clip-path: inset(0 100% 0 0); } to { clip-path: inset(0 -2% 0 0); } }
.loc-card.on { opacity: 1; } .loc-card.on b { animation: locin 1.1s steps(28, end) both; }

/* ---- narrow screens (phones, portrait) ---- */
@media (max-width: 760px) {
  .h-obj { top: calc(78px + var(--sat)); max-width: 62vw; } .h-obj-t { font-size: 17px; }
  .h-heading { display: none; }
  .h-ammo-n { font-size: 56px; }
  .is-touch .h-ammo { top: calc(78px + var(--sat)); }
  .is-touch .h-health { top: calc(150px + var(--sat)); }
  .m-title { padding-left: var(--gl); padding-right: var(--gr); }
  .m-word { font-size: clamp(52px, 20vw, 150px) !important; }
  .m-eyebrow { font-size: 11px; letter-spacing: .2em; }
  .m-actions .btn.primary { flex: 1 1 100%; }
  .m-actions:not(.col) .btn:not(.primary) { flex: 1 1 0; padding-left: 8px; padding-right: 8px; }
  .m-card { padding: 22px 20px 20px; }
  .comms-t { font-size: 17px; }
}
@media (max-height: 520px) {
  .m-word { font-size: clamp(40px, 20vh, 120px) !important; margin-top: 8px !important; margin-bottom: 10px !important; }
  .m-premise { padding-top: 10px !important; } .m-actions { margin-top: 12px; } .m-note { margin-top: 10px !important; }
  .btn.primary { min-height: 44px; } .btn { min-height: 40px; }
  .m-card { padding: 16px 20px 16px; } .m-h { font-size: clamp(30px, 11vh, 62px) !important; margin: 6px 0 8px !important; }
  .m-actions.col { margin-top: 12px; gap: 6px; } .m-stats > div { padding: 6px 0 5px; } .m-rating b { font-size: 34px; }
  .h-prompt { top: 64%; }
}

/* ---- motion preferences ---- */
@media (prefers-reduced-motion: reduce) {
  .menu *, .hud *, .comms, .loc-card, .loc-card *, #boot, .m-bars i { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .h-warn.on { animation: none; opacity: 1; }
  .h-cue.urgent { animation: none; }
}

/* Chinese typography and title proportions. */
.m-word { font-size: clamp(56px, 11vw, 148px) !important; line-height: 1.12 !important; letter-spacing: .08em !important; margin: 12px 0 20px !important; white-space: normal; }
.m-subtitle { display: block; font-size: .34em; line-height: 1.5; letter-spacing: .16em; color: var(--signal); }
.m-premise, .m-note, .panel-note, .h-obj-t { line-height: 1.65; }
.m-legend { line-height: 1.8; }
.h-k, .h-relays, .h-wname, .h-plabel, .comms-who, .m-eyebrow, .btn, .tab { letter-spacing: .08em; }
.about-copy p { margin: 14px 0; font-size: 16px; line-height: 1.9; }
@media (max-width: 700px) { .m-title { gap: 12px; } .m-word { font-size: clamp(48px, 11vw, 78px) !important; } .m-actions { gap: 8px; } }