:root {
  --bg: #070405;
  --ink: #f4e8d8;
  --muted: #b9a089;
  --red: #e02424;
  --red-dim: #7a1010;
  --amber: #f0a030;
  --amber-2: #ffcc66;
  --cyan: #2ad4c4;
  --teal: #0c7a72;
  --ok: #3dd87a;
  --warn: #ffcc33;
  --metal: #1b2028;
  --panel: #120c0c;
  --line: rgba(240, 160, 48, 0.28);
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.55);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--ink);
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  user-select: none;
  -webkit-user-select: none;
  touch-action: none;
}
button, input { font-family: inherit; }

.hidden { display: none !important; }

#boot-screen {
  position: fixed; inset: 0;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  background: #050203;
  z-index: 80;
  gap: 18px;
}
.boot-mark {
  font-size: 13px; letter-spacing: 0.7em;
  color: var(--amber);
}
.boot-line {
  width: 180px; height: 2px;
  background: linear-gradient(90deg, transparent, var(--red), transparent);
  animation: bootPulse 1.1s ease-in-out infinite;
}
#boot-screen p { font-size: 12px; letter-spacing: 0.28em; color: var(--muted); }
@keyframes bootPulse { 50% { opacity: 0.25; transform: scaleX(0.7); } }

#game-root { position: fixed; inset: 0; background: #050203; }
#world {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  display: block;
  image-rendering: auto;
}

#letterbox { position: absolute; inset: 0; pointer-events: none; z-index: 4; }
#letterbox .bar {
  position: absolute; left: 0; right: 0; height: 0;
  background: #000;
  transition: height 0.6s ease;
}
#letterbox .bar.top { top: 0; }
#letterbox .bar.bot { bottom: 0; }
#letterbox.cinematic .bar { height: 9vh; }

#vignette {
  position: absolute; inset: 0; pointer-events: none; z-index: 3;
  background: radial-gradient(ellipse at center, transparent 48%, rgba(0,0,0,0.55) 100%);
}
#flash {
  position: absolute; inset: 0; pointer-events: none; z-index: 20;
  background: #fff; opacity: 0; transition: opacity 0.08s;
}
#flash.on { opacity: 0.82; }
#red-alert {
  position: absolute; inset: 0; pointer-events: none; z-index: 5;
  background: radial-gradient(ellipse at center, transparent 40%, rgba(180,0,0,0.28) 100%);
  opacity: 0; mix-blend-mode: multiply;
  animation: none;
}
#red-alert.active { animation: redPulse 2.4s ease-in-out infinite; }
@keyframes redPulse {
  0%, 100% { opacity: 0.15; }
  50% { opacity: 0.55; }
}
#storm-overlay {
  position: absolute; inset: 0; pointer-events: none; z-index: 6;
  background: transparent;
  opacity: 0;
}

/* HUD */
#hud { position: absolute; inset: 0; z-index: 10; pointer-events: none; }
#hud-left {
  position: absolute; top: 18px; left: 18px;
  display: flex; flex-direction: column; gap: 10px;
  max-width: min(420px, 46vw);
}
#hud-right {
  position: absolute; top: 18px; right: 18px;
  display: flex; flex-direction: column; align-items: flex-end; gap: 10px;
}
#room-chip, #storm-chip, .sys {
  pointer-events: auto;
}
#room-chip {
  align-self: flex-start;
  background: rgba(12, 8, 8, 0.72);
  border: 1px solid var(--line);
  color: var(--amber-2);
  font-size: 11px; letter-spacing: 0.22em;
  padding: 6px 10px;
  backdrop-filter: blur(8px);
}
#objective-box {
  background: linear-gradient(180deg, rgba(22,10,10,0.86), rgba(10,6,6,0.78));
  border: 1px solid var(--line);
  border-left: 3px solid var(--red);
  padding: 10px 12px 12px;
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
}
.obj-kicker {
  font-size: 10px; letter-spacing: 0.28em; color: var(--red);
  margin-bottom: 4px;
}
#objective-text { font-size: 15px; line-height: 1.35; color: var(--ink); }

#storm-chip {
  background: rgba(12,8,8,0.78);
  border: 1px solid rgba(224,36,36,0.45);
  padding: 8px 12px;
  display: flex; flex-direction: column; align-items: flex-end;
  backdrop-filter: blur(8px);
}
.storm-label { font-size: 9px; letter-spacing: 0.28em; color: var(--red); }
#storm-time { font-size: 22px; font-variant-numeric: tabular-nums; letter-spacing: 0.08em; }

#systems-row { display: flex; gap: 6px; }
.sys {
  width: 34px; height: 34px;
  display: grid; place-items: center;
  background: rgba(12,8,8,0.75);
  border: 1px solid rgba(255,255,255,0.08);
  font-size: 16px;
  filter: grayscale(0.8) brightness(0.7);
}
.sys.ok { filter: none; border-color: rgba(61,216,122,0.55); box-shadow: 0 0 10px rgba(61,216,122,0.2); }
.sys.warn { filter: none; border-color: rgba(255,204,51,0.6); }
.sys.bad { filter: none; border-color: rgba(224,36,36,0.7); animation: sysBlink 1s steps(2) infinite; }
@keyframes sysBlink { 50% { opacity: 0.45; } }

#o2-wrap { width: 180px; background: rgba(12,8,8,0.75); border: 1px solid var(--line); padding: 8px 10px; }
.o2-label { font-size: 9px; letter-spacing: 0.2em; color: var(--cyan); margin-bottom: 4px; }
.o2-bar { height: 8px; background: #1a1010; overflow: hidden; }
#o2-fill { height: 100%; width: 100%; background: linear-gradient(90deg, #1a8a6a, var(--cyan)); transition: width 0.2s; }

#alert-stack {
  position: absolute; top: 22%; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; gap: 8px; align-items: center;
  width: min(520px, 90vw);
}
.alert-banner {
  width: 100%;
  background: linear-gradient(90deg, rgba(90,0,0,0.92), rgba(40,0,0,0.88));
  border: 1px solid rgba(255,80,80,0.55);
  padding: 10px 14px;
  text-align: center;
  animation: alertIn 0.35s ease-out;
  box-shadow: 0 10px 30px rgba(0,0,0,0.4);
}
.alert-banner .k { font-size: 10px; letter-spacing: 0.3em; color: #ffb0b0; }
.alert-banner .t { font-size: 16px; margin-top: 2px; }
@keyframes alertIn { from { transform: translateY(-16px); opacity: 0; } }

#toast {
  position: absolute; bottom: 18%; left: 50%; transform: translateX(-50%);
  background: rgba(8,12,10,0.88);
  border: 1px solid rgba(61,216,122,0.45);
  color: #d8ffe8;
  padding: 10px 16px;
  letter-spacing: 0.08em;
  opacity: 0; pointer-events: none;
  transition: opacity 0.25s;
  text-align: center;
  max-width: 80vw;
}
#toast.show { opacity: 1; }

#interact-prompt {
  position: absolute; bottom: 8%; left: 50%; transform: translateX(-50%);
  display: flex; align-items: center; gap: 10px;
  background: rgba(10,8,8,0.82);
  border: 1px solid var(--line);
  padding: 8px 14px;
  pointer-events: none;
}
#interact-prompt .key {
  display: grid; place-items: center;
  width: 26px; height: 26px;
  border: 1px solid var(--amber);
  color: var(--amber);
  font-size: 13px; font-weight: 700;
}
#minimap-wrap {
  position: absolute; right: 18px; bottom: 18px;
  width: 148px; height: 148px;
  border: 1px solid var(--line);
  background: rgba(8,6,6,0.7);
  pointer-events: none;
  overflow: hidden;
}
#minimap { display: block; width: 100%; height: 100%; }

#pause-btn {
  position: absolute; top: 18px; left: 50%; transform: translateX(-50%);
  z-index: 12;
  pointer-events: auto;
  width: 40px; height: 32px;
  background: rgba(12,8,8,0.7);
  border: 1px solid var(--line);
  color: var(--ink);
  cursor: pointer;
}

#ctrl-hint {
  position: absolute; bottom: 16%; left: 50%; transform: translateX(-50%);
  background: rgba(10,8,8,0.62);
  border: 1px solid rgba(240,160,48,0.22);
  color: #d8c8b0;
  letter-spacing: 0.16em;
  font-size: 12px;
  padding: 8px 14px;
  opacity: 0;
  transition: opacity 0.45s;
  pointer-events: none;
}
#ctrl-hint.show { opacity: 1; }

#area-splash {
  position: absolute; top: 28%; left: 50%; transform: translateX(-50%);
  text-align: center;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.5s ease;
}
#area-splash.show { opacity: 1; }
#area-splash .disc {
  font-size: 10px; letter-spacing: 0.38em; color: var(--amber);
  margin-bottom: 6px;
}
#area-splash h3 {
  font-size: clamp(22px, 3.4vw, 34px);
  letter-spacing: 0.22em;
  font-weight: 700;
}
#area-splash .code {
  margin-top: 6px;
  font-size: 12px;
  letter-spacing: 0.28em;
  color: var(--muted);
}

#orient-btn {
  pointer-events: auto;
  position: absolute; left: 18px; bottom: 18px;
  background: rgba(12,8,8,0.72);
  border: 1px solid var(--line);
  color: #e8d4b8;
  letter-spacing: 0.14em;
  font-size: 10px;
  padding: 8px 10px;
  cursor: pointer;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.35s, transform 0.35s;
}
#orient-btn.show { opacity: 1; transform: none; }
#orient-btn:hover { border-color: var(--amber); }

#minimap-legend {
  position: absolute; left: 4px; bottom: 3px;
  font-size: 8px; letter-spacing: 0.12em; color: rgba(244,232,216,0.35);
}

/* Touch */
#touch-controls {
  position: absolute; inset: 0; z-index: 11; pointer-events: none;
}
#stick-base {
  pointer-events: auto;
  position: absolute; left: 36px; bottom: 36px;
  width: 128px; height: 128px;
  border-radius: 50%;
  background: rgba(20,12,12,0.4);
  border: 1px solid rgba(240,160,48,0.25);
}
#stick-knob {
  position: absolute; left: 50%; top: 50%;
  width: 54px; height: 54px; margin: -27px 0 0 -27px;
  border-radius: 50%;
  background: rgba(240,160,48,0.35);
  border: 1px solid var(--amber);
}
#btn-e {
  pointer-events: auto;
  position: absolute; right: 42px; bottom: 52px;
  width: 76px; height: 76px; border-radius: 50%;
  background: rgba(180,30,30,0.55);
  border: 2px solid #ff6a6a;
  color: #fff; font-size: 22px; font-weight: 700;
  cursor: pointer;
}

/* Screens */
.screen {
  position: fixed; inset: 0; z-index: 30;
  display: flex; align-items: center; justify-content: center;
  background: rgba(4,2,2,0.55);
}
#intro {
  background: #050203;
  z-index: 40;
}
#intro-storm {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 30% 0%, rgba(180,40,20,0.25), transparent 50%),
    repeating-linear-gradient(180deg, transparent, transparent 2px, rgba(0,0,0,0.15) 3px);
  opacity: 0; transition: opacity 0.4s;
}
#intro.storm #intro-storm { opacity: 1; animation: stormFlick 0.12s infinite; }
@keyframes stormFlick { 50% { filter: brightness(1.4); } }
#intro-content { position: relative; z-index: 2; text-align: center; }
.intro-card { display: none; animation: fadeUp 0.7s ease; }
.intro-card.show { display: block; }
.intro-card h1 {
  font-size: clamp(42px, 8vw, 92px);
  letter-spacing: 0.18em;
  font-weight: 700;
}
.eyebrow { letter-spacing: 0.45em; font-size: 12px; color: var(--amber); margin-bottom: 10px; }
.glitch-big {
  font-size: clamp(28px, 5vw, 48px);
  letter-spacing: 0.2em;
  color: #ff6b6b;
}
.tiny { margin-top: 10px; letter-spacing: 0.3em; color: var(--muted); font-size: 12px; }
.alert-stamp {
  display: inline-block;
  border: 3px solid var(--red);
  color: var(--red);
  padding: 10px 18px;
  letter-spacing: 0.28em;
  font-size: clamp(22px, 4vw, 36px);
  font-weight: 800;
  animation: stamp 0.6s ease;
}
@keyframes stamp { from { transform: scale(1.3); opacity: 0; } }
.alert-sub { margin: 16px 0 22px; color: #ffd0d0; letter-spacing: 0.08em; }
.sys-list { list-style: none; width: min(420px, 86vw); margin: 0 auto; text-align: left; }
.sys-list li {
  display: flex; justify-content: space-between;
  padding: 8px 0; border-bottom: 1px solid rgba(255,255,255,0.06);
  font-size: 13px; letter-spacing: 0.08em;
}
.sys-list .bad { color: var(--red); }
.sys-list .ok { color: var(--ok); }
.sys-list .warn { color: var(--warn); }
#intro-skip {
  position: absolute; bottom: 24px; right: 24px;
  background: transparent; border: 0; color: var(--muted);
  letter-spacing: 0.2em; font-size: 11px; cursor: pointer;
}
@keyframes fadeUp { from { opacity: 0; transform: translateY(12px); } }

#title-screen { background: #070304; z-index: 35; }
.title-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 50% 110%, rgba(180,40,20,0.35), transparent 50%),
    radial-gradient(ellipse at 70% 20%, rgba(80,20,10,0.3), transparent 40%),
    #070304;
}
.title-bg::after {
  content: "";
  position: absolute; inset: 0;
  background: repeating-linear-gradient(0deg, transparent, transparent 3px, rgba(0,0,0,0.12) 4px);
  pointer-events: none;
}
.title-stack { position: relative; z-index: 2; text-align: center; padding: 24px; }
.title-kicker { letter-spacing: 0.42em; font-size: 12px; color: var(--amber); }
.title-main {
  font-size: clamp(40px, 8vw, 86px);
  letter-spacing: 0.14em;
  line-height: 1;
  margin-top: 10px;
  text-shadow: 0 0 40px rgba(224,36,36,0.35);
}
.title-sub {
  margin-top: 8px;
  color: var(--red);
  letter-spacing: 0.42em;
  font-size: clamp(16px, 2.6vw, 24px);
}
.title-tag { margin: 22px 0 28px; color: var(--muted); letter-spacing: 0.12em; }
.title-actions { display: flex; flex-direction: column; align-items: center; gap: 10px; }
.title-hint { margin-top: 26px; font-size: 12px; color: #7a6a5a; letter-spacing: 0.08em; }

.btn-primary, .btn-ghost, .icon-btn {
  cursor: pointer; border: 0;
}
.btn-primary {
  background: var(--red);
  color: #fff;
  letter-spacing: 0.22em;
  font-size: 14px; font-weight: 700;
  padding: 14px 28px;
  min-width: 240px;
  box-shadow: 0 0 0 1px #7a1010, 0 8px 24px rgba(224,36,36,0.35);
}
.btn-primary:hover { filter: brightness(1.08); }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
  letter-spacing: 0.16em;
  font-size: 12px;
  padding: 12px 20px;
  min-width: 240px;
}
.btn-ghost.danger { color: #ff8a8a; border-color: rgba(224,36,36,0.4); }
.icon-btn {
  width: 36px; height: 36px;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink);
}

.panel {
  background: linear-gradient(180deg, #1a1010, #100808);
  border: 1px solid var(--line);
  padding: 28px 28px 24px;
  box-shadow: var(--shadow);
  text-align: center;
}
.pause-panel { width: min(420px, 92vw); display: flex; flex-direction: column; gap: 10px; }
.pause-panel h2 { letter-spacing: 0.16em; font-size: 20px; }
.muted { color: var(--muted); font-size: 13px; margin-bottom: 8px; }

/* Puzzle */
#puzzle-overlay { background: rgba(4,2,2,0.72); backdrop-filter: blur(4px); }
.puzzle-shell {
  width: min(760px, 94vw);
  max-height: 92vh;
  overflow: auto;
  background: linear-gradient(180deg, #161010, #0c0808);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  display: flex; flex-direction: column;
}
.puzzle-head {
  display: flex; justify-content: space-between; align-items: flex-start;
  padding: 16px 18px 8px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.puzzle-kicker { font-size: 10px; letter-spacing: 0.28em; color: var(--amber); }
.puzzle-head h2 { font-size: 20px; letter-spacing: 0.06em; }
.puzzle-desc {
  padding: 10px 18px 0;
  color: var(--muted);
  font-size: 14px; line-height: 1.45;
}
#puzzle-stage { padding: 16px 18px; min-height: 220px; }
.puzzle-foot {
  padding: 8px 18px 16px;
  display: flex; flex-direction: column; gap: 8px;
}
#hint-box {
  background: rgba(240,160,48,0.08);
  border: 1px solid var(--line);
  padding: 10px 12px;
  font-size: 13px; color: #f0d8b0;
  line-height: 1.45;
}

/* Puzzle widgets */
.circuit-grid {
  display: grid;
  gap: 4px;
  justify-content: center;
  margin: 8px auto 12px;
}
.circuit-cell {
  width: 64px; height: 64px;
  background: #14181e;
  border: 1px solid #2a3340;
  position: relative;
  cursor: pointer;
}
.circuit-cell.locked { cursor: default; opacity: 0.85; }
.circuit-cell canvas { display: block; width: 100%; height: 100%; }
.circuit-meta {
  display: flex; justify-content: space-between; align-items: center;
  color: var(--muted); font-size: 12px;
}
.flow-bar { height: 8px; background: #1a1010; margin-top: 8px; }
.flow-bar > div { height: 100%; width: 0; background: var(--amber); transition: width 0.2s; }

.valve-row { display: flex; justify-content: space-around; gap: 12px; flex-wrap: wrap; }
.gauge {
  width: 86px; text-align: center;
}
.gauge-body {
  height: 160px; width: 36px; margin: 0 auto 8px;
  background: #101418;
  border: 1px solid #334;
  position: relative;
  overflow: hidden;
}
.gauge-green {
  position: absolute; left: 0; right: 0;
  background: rgba(61,216,122,0.18);
  border-top: 1px solid rgba(61,216,122,0.4);
  border-bottom: 1px solid rgba(61,216,122,0.4);
}
.gauge-fill {
  position: absolute; left: 0; right: 0; bottom: 0;
  background: linear-gradient(180deg, #e02424, #f0a030, #3dd87a);
}
.gauge-needle {
  position: absolute; left: -4px; right: -4px; height: 2px;
  background: #fff;
}
.valve {
  width: 92px; height: 92px; border-radius: 50%;
  background: conic-gradient(from 0deg, #2a3038, #8a8f98, #2a3038 60%, #555 70%, #2a3038);
  border: 6px solid #1a1e24;
  position: relative;
  cursor: grab;
  margin: 8px auto 0;
  box-shadow: inset 0 0 0 4px #0c0e12, 0 8px 16px rgba(0,0,0,0.4);
}
.valve .spoke {
  position: absolute; left: 50%; top: 8px; width: 6px; height: 34px;
  margin-left: -3px; background: #d0d4da; border-radius: 2px;
  transform-origin: 50% 38px;
}
.valve-label { text-align: center; font-size: 11px; letter-spacing: 0.14em; color: var(--muted); margin-top: 6px; }

.wave-box {
  background: #070b10;
  border: 1px solid #243040;
  height: 180px;
  position: relative;
}
.wave-box canvas { width: 100%; height: 100%; display: block; }
.sliders { margin-top: 12px; display: flex; flex-direction: column; gap: 10px; }
.sliders label {
  display: grid; grid-template-columns: 110px 1fr;
  gap: 10px; align-items: center;
  font-size: 12px; letter-spacing: 0.12em; color: var(--muted);
}
.sliders input[type=range] { width: 100%; accent-color: var(--cyan); }
.lock-meter { margin-top: 10px; height: 8px; background: #111; }
.lock-meter > div { height: 100%; background: var(--cyan); width: 0; }

.mod-row { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.module {
  width: 118px;
  background: #12161c;
  border: 1px solid #2c3644;
  padding: 8px;
  cursor: pointer;
}
.module:hover, .module.sel { border-color: var(--amber); }
.module .tag { font-size: 10px; letter-spacing: 0.16em; color: var(--muted); margin-bottom: 6px; }
.led-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 3px; }
.led { height: 10px; background: #1a222c; }
.led.on { background: #3dd87a; box-shadow: 0 0 6px #3dd87a; }
.led.a { background: #2ad4c4; box-shadow: 0 0 6px #2ad4c4; }
.confirm-row { margin-top: 14px; display: flex; justify-content: center; }

.rover-board { display: grid; grid-template-columns: 1fr 200px; gap: 14px; }
.chassis {
  position: relative; height: 280px;
  background: #14181c;
  border: 1px solid #333;
  overflow: hidden;
}
.slot {
  position: absolute;
  border: 1px dashed rgba(240,160,48,0.4);
  display: grid; place-items: center;
  font-size: 10px; color: #6a6050; letter-spacing: 0.08em;
  text-align: center; padding: 4px;
}
.slot.filled { border-style: solid; background: rgba(42,212,196,0.08); }
.parts { display: flex; flex-direction: column; gap: 8px; }
.part {
  background: #1c2228;
  border: 1px solid #3a4450;
  padding: 8px;
  cursor: grab;
  font-size: 12px;
}
.part .shape {
  width: 18px; height: 18px; display: inline-block; margin-right: 6px; vertical-align: middle;
  background: var(--amber);
}
.part .shape.hex { clip-path: polygon(25% 0, 75% 0, 100% 50%, 75% 100%, 25% 100%, 0 50%); }
.part .shape.tri { clip-path: polygon(50% 0, 100% 100%, 0 100%); }
.part .shape.cir { border-radius: 50%; }
.part .shape.sq { }
.part .shape.dia { clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%); }

.solar-wrap { display: flex; flex-direction: column; gap: 12px; }
.cell-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.scell {
  height: 72px;
  background: linear-gradient(135deg, #123050, #0a1a30);
  border: 2px solid #2a5080;
  cursor: pointer;
  position: relative;
}
.scell.burnt { background: linear-gradient(135deg, #2a1810, #140c08); border-color: #5a3020; }
.scell.sel { outline: 2px solid var(--amber); }
.scell .crack {
  position: absolute; inset: 10px;
  background: linear-gradient(30deg, transparent 46%, #000 48%, transparent 52%);
  opacity: 0.7;
}
.spares { display: flex; gap: 8px; flex-wrap: wrap; }
.spare {
  width: 70px; height: 48px;
  background: linear-gradient(135deg, #123050, #0a1a30);
  border: 2px solid #2a5080;
  cursor: pointer;
}
.spare.sel { outline: 2px solid var(--ok); }
.cables { display: flex; gap: 10px; flex-wrap: wrap; }
.cable, .port {
  padding: 8px 10px;
  background: #161616;
  border: 1px solid #333;
  cursor: pointer;
  font-size: 12px;
}
.port.ok { border-color: var(--ok); }
.align-track {
  height: 36px; background: #111; position: relative; border: 1px solid #333;
}
.align-sun { position: absolute; top: 0; bottom: 0; width: 4px; background: #ffcc66; }
.align-knob {
  position: absolute; top: 4px; width: 28px; height: 28px;
  background: #888; border-radius: 50%; cursor: ew-resize;
}

.final-steps { display: flex; flex-direction: column; gap: 14px; }
.shutter-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.shutter {
  height: 54px; background: #2a2e34; border: 1px solid #555; cursor: pointer;
  color: #bbb; letter-spacing: 0.1em; font-size: 11px;
}
.shutter.closed { background: #121416; color: var(--ok); }
.hold-btn {
  height: 48px; background: #1a1010; border: 1px solid var(--amber); color: var(--amber);
  letter-spacing: 0.16em; cursor: pointer; position: relative; overflow: hidden;
}
.hold-btn .fill {
  position: absolute; inset: 0 auto 0 0; width: 0; background: rgba(240,160,48,0.25);
}
.slide-lock {
  height: 48px; background: #111; border: 1px solid #444; position: relative;
}
.slide-lock .knob {
  position: absolute; top: 4px; left: 4px; width: 80px; height: 40px;
  background: var(--red); color: #fff; display: grid; place-items: center;
  cursor: grab; font-size: 11px; letter-spacing: 0.1em;
}

#ending-screen { background: #050203; z-index: 45; }
#ending-fx { position: absolute; inset: 0; }
.ending-copy { text-align: center; z-index: 2; }
.ending-copy h1 { letter-spacing: 0.16em; font-size: clamp(28px, 5vw, 48px); }

#results-screen { background: #070304; z-index: 46; overflow: auto; }
.results-panel { width: min(560px, 94vw); text-align: center; padding: 28px 10px 40px; }
.rank-badge {
  display: inline-block; margin: 16px 0 22px;
  border: 1px solid var(--amber);
  color: var(--amber-2);
  letter-spacing: 0.16em;
  padding: 10px 16px;
}
.stats { list-style: none; text-align: left; margin: 0 auto 20px; width: min(420px, 100%); }
.stats li {
  display: flex; justify-content: space-between;
  padding: 8px 0; border-bottom: 1px solid rgba(255,255,255,0.06);
  font-size: 14px;
}
.ach-list { display: flex; flex-direction: column; gap: 6px; margin-bottom: 22px; }
.ach {
  background: rgba(42,212,196,0.08);
  border: 1px solid rgba(42,212,196,0.3);
  padding: 8px 12px; font-size: 13px;
}

@media (pointer: coarse) {
  #orient-btn { bottom: 180px; }
}
@media (max-width: 800px) {
  #hud-left { max-width: 58vw; }
  #minimap-wrap { width: 110px; height: 110px; }
  .rover-board { grid-template-columns: 1fr; }
  .circuit-cell { width: 52px; height: 52px; }
  #pause-btn { left: auto; right: 18px; transform: none; top: 168px; }
}
@media (pointer: fine) {
  #touch-controls { display: none !important; }
}