:root {
  --black: #050403;
  --earth1: #14100c;
  --earth2: #070504;
  --rock: #1c1612;
  --rock-dark: #0d0a08;
  --timber: #4a3018;
  --timber-dark: #24160a;
  --iron: #3a2e24;
  --rust: #7a4a24;
  --gold: #e8a840;
  --gold-dark: #6a4410;
  --lamp: #ffb54a;
  --ember: #c2401c;
  --blood: #8a1410;
  --blood-dark: #3a0806;
  --moss: #8ac25a;
  --text: #e8d6b8;
  --dim: #8a7660;
  --panel: rgba(12, 9, 7, .9);
  /* The five rarities, same colors as RogueMiner */
  --r0: #c7c7c7;
  --r1: #40d959;
  --r2: #408cff;
  --r3: #a64df2;
  --r4: #ffa61a;
  --r5: #e8dcb8;
  --r6: #ff4fd8;
  --pixel: "VT323", ui-monospace, monospace;
  --pixel-bold: "Press Start 2P", "VT323", monospace;
  /* Set from script.js: how far down you are, and how dark it is (0 = surface, 1 = abyss) */
  --depth: 0px;
  --dark: 0;
  --lx: 50vw;
  --ly: 45vh;
}

* { box-sizing: border-box; }

html { background: radial-gradient(ellipse at 50% 0%, var(--earth1), var(--earth2) 70%) fixed var(--black); }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: var(--pixel);
  font-size: 20px;
  letter-spacing: .08em;
  overflow-x: hidden;
  image-rendering: pixelated;
}

/* CRT scanlines over everything */
.scanlines {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 30;
  background: repeating-linear-gradient(to bottom, rgba(0, 0, 0, .18) 0 1px, transparent 1px 3px);
}

/* ---------- The shaft: rock, timber, dust ---------- */

/* Dust drifting down through the lamplight */
.dust {
  position: fixed;
  inset: -100px 0 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(1.5px 1.5px at 12% 18%, rgba(255, 210, 150, .5), transparent),
    radial-gradient(1px 1px at 33% 64%, rgba(255, 210, 150, .4), transparent),
    radial-gradient(1.5px 1.5px at 58% 36%, rgba(255, 210, 150, .45), transparent),
    radial-gradient(1px 1px at 77% 82%, rgba(255, 210, 150, .35), transparent),
    radial-gradient(1.5px 1.5px at 91% 28%, rgba(255, 210, 150, .4), transparent);
  background-size: 100% 100px;
  animation: dustfall 14s linear infinite;
  opacity: calc(1 - var(--dark) * .6);
}
@keyframes dustfall { to { transform: translateY(100px); } }

/* An endless rock wall with ore glints and timber supports; --depth scrolls it up as you go down */
.shaftwall {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 50%;
  width: min(760px, 96vw);
  transform: translateX(-50%);
  z-index: -2;
  background:
    radial-gradient(2px 2px at 18% 22%, rgba(232, 168, 64, .7) 60%, transparent) 0 calc(var(--depth) * -1) / 140px 170px,
    radial-gradient(2px 2px at 72% 64%, rgba(138, 194, 90, .5) 60%, transparent) 0 calc(var(--depth) * -1) / 190px 230px,
    radial-gradient(2px 2px at 44% 82%, rgba(166, 77, 242, .45) 60%, transparent) 0 calc(var(--depth) * -1) / 260px 300px,
    /* timber crossbeams */
    repeating-linear-gradient(to bottom, var(--timber) 0 12px, var(--timber-dark) 12px 16px, transparent 16px 160px) 0 calc(var(--depth) * -1) / 100% 160px,
    /* rock strata */
    repeating-linear-gradient(to bottom, var(--rock) 0 22px, #17120e 22px 44px, var(--rock-dark) 44px 50px, #17120e 50px 64px) 0 calc(var(--depth) * -1) / 100% 64px,
    linear-gradient(90deg, var(--black), var(--rock) 10%, var(--rock) 90%, var(--black));
  opacity: calc(.7 - var(--dark) * .45);
  transition: background-position 1.2s steps(12);
}
/* Timber posts up the sides */
.shaftwall::before,
.shaftwall::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: 18px;
  background: linear-gradient(90deg, var(--timber-dark), var(--timber) 40%, var(--timber-dark));
}
.shaftwall::before { left: 0; }
.shaftwall::after { right: 0; }

/* The dark closes in around the lantern as you go deeper. Lives under the HUD and modals */
.darkness {
  position: fixed;
  inset: 0;
  z-index: 14;
  pointer-events: none;
  background: radial-gradient(
    circle at var(--lx) var(--ly),
    transparent calc(78vmax - var(--dark) * 58vmax),
    rgba(0, 0, 0, calc(.35 + var(--dark) * .55)) calc(110vmax - var(--dark) * 70vmax)
  );
  transition: background 2s;
}
@keyframes lamp-flicker {
  0%, 100% { opacity: 1; }
  47% { opacity: .92; }
  48% { opacity: 1; }
  83% { opacity: .95; }
}
/* A sudden lurch: the dark swallows everything for a breath */
.darkness.pulse { animation: dark-pulse .9s steps(6); }
@keyframes dark-pulse {
  30% { opacity: 1; background-color: rgba(0, 0, 0, .55); }
}

/* ---------- Eyes in the dark ---------- */
.eyes {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
.pit-eyes { position: absolute; inset: 0; z-index: 0; overflow: hidden; pointer-events: none; }
.eye-pair {
  --es: 10px;
  --ec: #ffcf4a;
  --px: 0px;
  --py: 0px;
  position: absolute;
  display: flex;
  gap: calc(var(--es) * .9);
  opacity: 0;
  transform: rotate(var(--tilt, 0deg));
  animation: eyes-open 4s ease-in forwards;
}
@keyframes eyes-open { to { opacity: var(--eo, .85); } }
.eye-pair.leaving { animation: eyes-close .8s steps(4) forwards; }
@keyframes eyes-close { from { opacity: var(--eo, .85); } to { opacity: 0; } }
.eye {
  position: relative;
  width: calc(var(--es) * 1.6);
  height: var(--es);
  background: radial-gradient(ellipse at center, #fff6c0 0 10%, var(--ec) 45%, transparent 72%);
  border-radius: 50%;
  animation: blink var(--blink, 6s) var(--bd, 0s) steps(1) infinite;
}
/* A slit pupil that turns toward you */
.pupil {
  position: absolute;
  left: 50%;
  top: 50%;
  width: max(2px, calc(var(--es) * .22));
  height: calc(var(--es) * .8);
  background: #000;
  border-radius: 50%;
  transform: translate(calc(-50% + var(--px)), calc(-50% + var(--py)));
  transition: transform .25s;
}
@keyframes blink {
  0%, 93%, 100% { transform: scaleY(1); }
  94%, 96% { transform: scaleY(.08); }
}
/* Something shiny dropped: every eye goes wide */
.eyes.widen .eye, .pit-eyes.widen .eye { animation: none; transform: scale(1.35); transition: transform .2s; }
.eyes.widen .pupil, .pit-eyes.widen .pupil { width: max(3px, calc(var(--es) * .45)); }
.splash-eyes { position: relative; margin-top: 10px; --es: 12px; --ec: #ffcf4a; animation: eyes-open 3s 1.5s ease-in forwards; }

/* ---------- The mine sign ---------- */
header {
  text-align: center;
  padding: 34px 16px 8px;
}
.sign {
  position: relative;
  display: inline-block;
  padding: 18px 28px 16px;
  background:
    repeating-linear-gradient(to bottom, rgba(0, 0, 0, .18) 0 2px, transparent 2px 9px),
    linear-gradient(#3e2814, #2a1a0c);
  border: 4px solid var(--timber-dark);
  box-shadow: 0 0 0 3px #000, 0 10px 30px rgba(0, 0, 0, .8), inset 0 0 18px rgba(0, 0, 0, .6);
  transform: rotate(-1.2deg);
}
/* Hung from two chains */
.sign::before,
.sign::after {
  content: "";
  position: absolute;
  top: -30px;
  height: 30px;
  border-left: 4px dotted #5a4a3a;
}
.sign::before { left: 18%; }
.sign::after { right: 18%; }
h1 {
  margin: 0;
  font-family: var(--pixel-bold);
  font-size: clamp(2rem, 9vw, 4rem);
  letter-spacing: .1em;
  color: var(--lamp);
  text-shadow:
    0 0 8px rgba(255, 140, 40, .7),
    0 0 22px rgba(255, 90, 20, .35),
    4px 4px 0 var(--blood-dark);
  animation: flicker 7s steps(1) infinite;
}
@keyframes flicker {
  0%, 89%, 92%, 95%, 100% { opacity: 1; }
  90%, 94% { opacity: .45; }
}
.subtitle {
  margin: 12px 0 0;
  font-size: 1.35rem;
  letter-spacing: .3em;
  color: var(--dim);
}
header h1 { cursor: default; user-select: none; -webkit-tap-highlight-color: transparent; }

/* ---------- Main floor ---------- */
.drift {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  overflow: hidden;
}
.floor {
  position: relative;
  z-index: 2;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 16px 16px 40px;
}
/* .floor lets taps through to the falling nuggets behind it, so everything you can tap
   inside it opts back in */
.floor .panel,
.floor .roll-btn,
.floor .pit { pointer-events: auto; }

/* Riveted iron plates */
.panel {
  background:
    radial-gradient(2px 2px at 6px 6px, #8a6a4a 60%, transparent),
    radial-gradient(2px 2px at calc(100% - 6px) 6px, #8a6a4a 60%, transparent),
    radial-gradient(2px 2px at 6px calc(100% - 6px), #8a6a4a 60%, transparent),
    radial-gradient(2px 2px at calc(100% - 6px) calc(100% - 6px), #8a6a4a 60%, transparent),
    var(--panel);
  border: 3px solid var(--iron);
  box-shadow: 0 0 0 2px #000, inset 0 0 14px rgba(0, 0, 0, .7), 0 4px 14px rgba(0, 0, 0, .6);
}

.scoreboard {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  width: 100%;
  max-width: 640px;
}
.stat {
  padding: 8px 6px 6px;
  text-align: center;
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.stat .label { font-size: .95rem; letter-spacing: .25em; color: var(--gold); opacity: .8; text-transform: uppercase; }
.stat .value {
  font-family: var(--pixel-bold);
  font-size: 1.2rem;
  margin-top: 6px;
  font-variant-numeric: tabular-nums;
  overflow: hidden;
  white-space: nowrap;
  color: var(--tc, var(--text));
  text-shadow: 0 0 8px var(--tc, transparent);
}
.stat .value.low { color: var(--ember); text-shadow: 0 0 8px var(--ember); animation: blink-text 1s steps(1) infinite; }
@keyframes blink-text { 50% { opacity: .2; } }

/* Progress toward this level's goal */
.goal-bar {
  width: 100%;
  max-width: 640px;
  height: 12px;
  margin-top: 10px;
  background: rgba(0, 0, 0, .7);
  border: 2px solid var(--iron);
}
.goal-fill {
  height: 100%;
  width: 0;
  background: repeating-linear-gradient(90deg, var(--gold) 0 8px, var(--gold-dark) 8px 12px);
  box-shadow: 0 0 10px rgba(232, 168, 64, .5);
  transition: width .4s steps(8);
}
.goal-fill.full { background: repeating-linear-gradient(90deg, var(--moss) 0 8px, #4a7a2a 8px 12px); box-shadow: 0 0 12px var(--moss); }

/* ---------- The cave: where the rock wiggles ---------- */
.table {
  position: relative;
  width: 100%;
  max-width: 760px;
  margin-top: 18px;
  padding: 12px 16px 14px;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(255, 170, 60, calc(.16 - var(--dark) * .1)), transparent 60%),
    radial-gradient(ellipse at center, #1a130e, #050302 85%);
  border: 10px solid var(--timber);
  border-image: repeating-linear-gradient(90deg, var(--timber) 0 40px, var(--timber-dark) 40px 44px) 10;
  outline: 3px solid #000;
  box-shadow: inset 0 0 50px rgba(0, 0, 0, .9), 0 12px 40px rgba(0, 0, 0, .8);
}
.rock-info {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 0 18px;
  font-size: 1rem;
  letter-spacing: .15em;
  color: var(--dim);
}
.rock-info b { color: var(--gold); font-weight: normal; }
#rock-depth { color: var(--level-color, var(--gold)); }
.hp {
  position: relative;
  height: 22px;
  margin: 6px 18px 0;
  background: rgba(0, 0, 0, .7);
  border: 2px solid var(--iron);
}
.hp-fill {
  height: 100%;
  width: 0;
  background: linear-gradient(#b0281c 0 50%, var(--blood) 50%);
  transition: width .12s steps(3);
}
.hp-text {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: 1rem;
  letter-spacing: .15em;
  text-shadow: 2px 2px 0 #000;
}
.pit {
  position: relative;
  height: 260px;
  margin-top: 6px;
  cursor: crosshair;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
}
/* The rock is drawn on its own canvas, moved around the pit by script.js */
.rock {
  position: absolute;
  left: 0;
  top: 0;
  z-index: 1;
  width: 150px;
  height: 150px;
  will-change: transform;
  pointer-events: none;
  filter: drop-shadow(0 0 10px var(--aura, transparent)) drop-shadow(0 10px 0 rgba(0, 0, 0, .6)) brightness(calc(1 - var(--dark) * .35));
}
/* A geode glitters and pulses even in the deepest dark */
.rock.geode { animation: geode-glow 1.2s steps(4) infinite; }
@keyframes geode-glow {
  50% { filter: drop-shadow(0 0 22px var(--r4)) drop-shadow(0 10px 0 rgba(0, 0, 0, .6)) brightness(1.25); }
}

/* A fossil breathes dust and pale light */
.rock.fossil { animation: fossil-glow 2s ease-in-out infinite; }
@keyframes fossil-glow {
  50% { filter: drop-shadow(0 0 18px var(--r5)) drop-shadow(0 10px 0 rgba(0, 0, 0, .6)) brightness(1.15); }
}

/* The dinosaur stomp: a giant shadow walking past in the dark */
.stomp-dino {
  position: fixed;
  left: 0;
  bottom: -2vh;
  z-index: 18;
  height: 62vh;
  width: auto;
  image-rendering: pixelated;
  pointer-events: none;
  filter: drop-shadow(0 0 30px rgba(255, 59, 47, .25));
}
/* Every eye hides while it passes */
.eyes.flee, .pit-eyes.flee { opacity: 0; transition: opacity .3s; }
.eyes, .pit-eyes { transition: opacity 1.2s; }

/* A mushroom rock pulses through every color */
.rock.shroom { animation: shroom-glow 2.4s linear infinite; }
@keyframes shroom-glow {
  from { filter: drop-shadow(0 0 16px var(--r6)) hue-rotate(0deg); }
  to { filter: drop-shadow(0 0 16px var(--r6)) hue-rotate(360deg); }
}

/* The mushroom trip: the colors melt and the mine sways */
html.trip { animation: trip-hue 2.2s linear infinite; }
@keyframes trip-hue {
  from { filter: hue-rotate(0deg) saturate(2.2); }
  to { filter: hue-rotate(360deg) saturate(2.2); }
}
html.trip .floor { animation: trip-sway 2.6s ease-in-out infinite; }
@keyframes trip-sway {
  25% { transform: skewX(4deg) scale(1.02); }
  75% { transform: skewX(-4deg) scale(.98); }
}
html.trip .darkness { opacity: .35; }
@media (prefers-reduced-motion: reduce) {
  html.trip { animation: none; filter: hue-rotate(120deg) saturate(1.8); }
  html.trip .floor { animation: none; }
}

/* A find tumbling out of the rock */
.drop-token {
  position: fixed;
  z-index: 19;
  font-family: var(--pixel-bold);
  line-height: 1;
  color: var(--rc);
  text-shadow: 0 0 10px var(--rc), 2px 2px 0 #000;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

/* Gold fever: the edges of the screen burn gold */
html.fever body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 15;
  pointer-events: none;
  box-shadow: inset 0 0 90px 24px rgba(255, 170, 40, .55);
  animation: fever-pulse .6s ease-in-out infinite alternate;
}
@keyframes fever-pulse { to { box-shadow: inset 0 0 130px 40px rgba(255, 120, 20, .7); } }

/* Things that cross the screen: the canary, the ghost miner */
.crosser {
  position: fixed;
  left: 0;
  z-index: 22;
  height: 54px;
  width: auto;
  image-rendering: pixelated;
  cursor: pointer;
  filter: drop-shadow(0 0 10px rgba(255, 216, 74, .6));
}
.crosser.ghost { height: 90px; opacity: .55; filter: drop-shadow(0 0 16px #b8c8ff); }

/* A rock's speech bubble */
.speech {
  position: fixed;
  z-index: 20;
  padding: 4px 10px 2px;
  transform: translate(-50%, -100%);
  font-size: 1.05rem;
  white-space: nowrap;
  color: #000;
  background: #f2e8d0;
  border: 2px solid #000;
  pointer-events: none;
  animation: speech 1.7s steps(10) forwards;
}
.speech::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -8px;
  border: 6px solid transparent;
  border-top-color: #000;
  transform: translateX(-50%);
}
@keyframes speech {
  0% { transform: translate(-50%, -80%) scale(.4); opacity: 0; }
  12%, 80% { transform: translate(-50%, -100%) scale(1); opacity: 1; }
  100% { transform: translate(-50%, -140%); opacity: 0; }
}

.float.perfect { color: #fff; font-size: 1.1rem; text-shadow: 0 0 12px var(--lamp), 3px 3px 0 var(--blood-dark); }

/* Eyes can be poked */
.eye-pair { pointer-events: auto; cursor: pointer; }
.eye-pair.poked .eye, .eyes.all-poked .eye { animation: none; transform: scaleY(.08); }

/* Combo counter in the cave's corner, heating up through the rarity colors */
.combo {
  position: absolute;
  top: 4px;
  right: 10px;
  z-index: 2;
  font-family: var(--pixel-bold);
  font-size: 1.1rem;
  text-align: right;
  color: var(--rc, var(--text));
  text-shadow: 0 0 10px var(--rc), 3px 3px 0 #000;
  opacity: 0;
  transition: opacity .2s;
  pointer-events: none;
}
.combo.on { opacity: 1; }
.combo small { display: block; margin-top: 4px; font-family: var(--pixel); font-size: .95rem; color: var(--dim); text-shadow: none; }

/* ---------- Rarity effects ---------- */
/* A shockwave ring */
.shock {
  position: fixed;
  z-index: 18;
  width: 24px;
  height: 24px;
  border: 3px solid var(--rc);
  border-radius: 50%;
  box-shadow: 0 0 14px var(--rc), inset 0 0 10px var(--rc);
  transform: translate(-50%, -50%) scale(.2);
  pointer-events: none;
  animation: shock .8s ease-out forwards;
}
@keyframes shock { to { transform: translate(-50%, -50%) scale(var(--ss, 6)); opacity: 0; } }
/* A pillar of light from the find up into the dark */
.beam {
  position: fixed;
  z-index: 18;
  width: var(--bw, 30px);
  height: 100vh;
  transform: translate(-50%, -100%) scaleX(0);
  transform-origin: bottom;
  background: linear-gradient(to top, var(--rc), transparent);
  box-shadow: 0 0 30px var(--rc);
  opacity: .8;
  pointer-events: none;
  animation: beam 1.5s ease-out forwards;
}
@keyframes beam {
  15% { transform: translate(-50%, -100%) scaleX(1.4); opacity: 1; }
  100% { transform: translate(-50%, -100%) scaleX(0); opacity: 0; }
}
.sym {
  position: fixed;
  z-index: 19;
  font-family: var(--pixel-bold);
  color: var(--rc);
  text-shadow: 0 0 10px var(--rc);
  pointer-events: none;
}
/* The whole screen washes over in the find's color */
.rarity-flash {
  position: fixed;
  inset: 0 !important;
  z-index: 17;
  background: radial-gradient(circle, var(--rc), transparent 70%);
  opacity: 0;
  pointer-events: none;
  animation: rarity-flash .7s steps(5);
}
@keyframes rarity-flash { 20% { opacity: .45; } }
/* Before a legendary: the lamp dies, only the find's spot stays lit */
.blackout {
  position: fixed;
  inset: 0 !important;
  z-index: 18;
  background: radial-gradient(circle at var(--bx, 50%) var(--by, 50%), transparent 30px, #000 120px);
  pointer-events: none;
  animation: blackout 1.1s forwards;
}
@keyframes blackout {
  0% { opacity: 0; }
  20%, 60% { opacity: 1; }
  100% { opacity: 0; }
}
/* Rotating light rays behind a legendary */
.rays {
  position: fixed;
  z-index: 17;
  width: 140vmax;
  height: 140vmax;
  transform: translate(-50%, -50%);
  background: repeating-conic-gradient(var(--rc) 0 8deg, transparent 8deg 24deg);
  -webkit-mask: radial-gradient(circle, #000 10%, transparent 55%);
  mask: radial-gradient(circle, #000 10%, transparent 55%);
  pointer-events: none;
  animation: rays 2.6s linear forwards;
}
@keyframes rays {
  0% { transform: translate(-50%, -50%) rotate(0) scale(.2); opacity: 0; }
  20% { opacity: .6; }
  100% { transform: translate(-50%, -50%) rotate(90deg) scale(1); opacity: 0; }
}
.coin-fly {
  position: fixed;
  z-index: 23;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #ffe0a0, var(--gold) 50%, var(--gold-dark));
  box-shadow: 0 0 8px var(--gold);
  pointer-events: none;
}

.message {
  min-height: 1.6em;
  font-size: 1.4rem;
  text-align: center;
  margin: 18px 0 18px;
  color: var(--text);
  opacity: .85;
}
.message::after { content: "_"; animation: blink-text 1s steps(1) infinite; }
.message.win { color: var(--gold); text-shadow: 0 0 10px rgba(232, 168, 64, .5); opacity: 1; }
.message.eerie { color: var(--ember); text-shadow: 0 0 10px rgba(194, 64, 28, .5); opacity: 1; }

/* Help line under the message */
.hint {
  min-height: 1.3em;
  max-width: 560px;
  margin: -10px 0 14px;
  text-align: center;
  font-size: 1.05rem;
  line-height: 1.25;
  color: var(--dim);
}

/* ---------- Big button: a rusted iron lever plate ---------- */
.roll-btn {
  width: 100%;
  max-width: 520px;
  padding: 22px 16px;
  font-family: var(--pixel-bold);
  font-size: 1.3rem;
  letter-spacing: .2em;
  color: #ffd9a0;
  text-shadow: 3px 3px 0 var(--blood-dark), 0 0 10px rgba(255, 140, 40, .5);
  background: linear-gradient(#7a1c14 0 50%, #5a120c 50%);
  border: 4px solid var(--rust);
  box-shadow: 0 0 0 3px #000, 0 8px 0 var(--blood-dark), 0 0 24px rgba(194, 64, 28, .35);
  cursor: pointer;
  transition: transform .1s steps(2);
  animation: glow 3s ease-in-out infinite;
}
@keyframes glow {
  50% { box-shadow: 0 0 0 3px #000, 0 8px 0 var(--blood-dark), 0 0 40px rgba(255, 140, 40, .45); }
}
.roll-btn:hover { transform: translateY(-2px); }
.roll-btn:active { transform: translateY(6px); box-shadow: 0 0 0 3px #000, 0 2px 0 var(--blood-dark); }
/* Mid-run the button is just a reminder, not the main action */
.roll-btn.mining {
  color: var(--dim);
  text-shadow: none;
  background: linear-gradient(#2a2018 0 50%, #1e1712 50%);
  border-color: var(--iron);
  box-shadow: 0 0 0 3px #000, 0 8px 0 #0d0a08;
  animation: none;
  font-size: 1rem;
}
.roll-btn .auto {
  display: block;
  margin-top: 8px;
  font-family: var(--pixel);
  font-size: 1.1rem;
  letter-spacing: .2em;
  text-shadow: none;
  opacity: .8;
}
.roll-btn:disabled {
  cursor: default;
  opacity: .45;
  transform: none;
  animation: none;
}

.btn-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }
.insta-btn {
  margin-top: 14px;
  padding: 8px 16px 6px;
  font-family: var(--pixel);
  font-size: 1.15rem;
  letter-spacing: .15em;
  color: var(--gold);
  cursor: pointer;
}
.insta-btn:hover { border-color: var(--rust); color: var(--lamp); }
.insta-btn.on { color: var(--lamp); border-color: var(--lamp); text-shadow: 0 0 8px var(--lamp); box-shadow: 0 0 0 2px #000, 0 0 14px rgba(255, 181, 74, .35); }
#shop-ready { color: var(--moss); }
.footer {
  margin: 22px 0 0;
  font-size: 1rem;
  letter-spacing: .2em;
  color: var(--dim);
  text-align: center;
}
/* Whispers from the dark */
.joke {
  margin: 8px 0 0;
  min-height: 1.4em;
  max-width: 600px;
  text-align: center;
  font-size: 1.1rem;
  font-style: italic;
  color: #a08a6a;
  opacity: .8;
}
.joke.deep { color: var(--ember); text-shadow: 0 0 8px rgba(194, 64, 28, .5); }
.version { color: #5a4a3a; }

/* ---------- Flashy toggle (off by default): the lamp sputters harder ---------- */
html.flashy .darkness { animation: lamp-sputter 2.2s steps(1) infinite; }
@keyframes lamp-sputter {
  0%, 100% { opacity: 1; }
  20% { opacity: .7; }
  21% { opacity: 1; }
  55% { opacity: .8; }
  57% { opacity: 1; }
  58% { opacity: .6; }
  60% { opacity: 1; }
}
html.flashy h1 { animation: flicker 2.5s steps(1) infinite; }
html.flashy .toast.jackpot, html.flashy .go-score.jackpot { animation: rainbow .6s steps(6) infinite; }
html.flashy .toast.jackpot.show { animation: toast 1.1s steps(10) both, rainbow .6s steps(6) infinite; }
.flashy-btn { color: #5a4a3a; }
html.flashy .flashy-btn { color: var(--lamp); text-shadow: 0 0 8px var(--lamp); }

/* ---------- Splash ---------- */
.splash {
  position: fixed;
  inset: 0;
  z-index: 25;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 28px;
  padding: 16px;
  text-align: center;
  background: radial-gradient(circle at 50% 40%, rgba(60, 34, 14, .85), rgba(3, 2, 1, .99) 60%);
  cursor: pointer;
}
.splash .roll-btn { max-width: 420px; }
.splash-hint { margin: 0; color: var(--dim); font-size: 1.2rem; }
.splash-help {
  padding: 10px 18px 8px;
  font-family: var(--pixel-bold);
  font-size: .8rem;
  color: var(--gold);
  cursor: pointer;
}
.splash-help:hover { border-color: var(--rust); }

/* ---------- Game over card ---------- */
.gameover {
  position: fixed;
  inset: 0;
  z-index: 16;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  background: rgba(0, 0, 0, .8);
  opacity: 0;
  visibility: hidden;
  transition: opacity .8s, visibility .8s;
}
.gameover.show { opacity: 1; visibility: visible; }
.go-card {
  width: 100%;
  max-width: 480px;
  max-height: calc(100vh - 32px);
  overflow: auto;
  padding: 26px 22px 22px;
  text-align: center;
  border-color: var(--tc, var(--iron));
  transform: translateY(-40px);
  transition: transform .8s cubic-bezier(.3, 1.4, .5, 1);
}
.gameover.show .go-card { transform: none; }
.go-head { margin: 0; font-family: var(--pixel-bold); font-size: 1rem; color: var(--ember); letter-spacing: .2em; }
.go-score {
  display: block;
  margin: 18px 0 4px;
  font-family: var(--pixel-bold);
  font-size: clamp(1.8rem, 9vw, 3rem);
  color: var(--tc, var(--text));
  text-shadow: 0 0 18px var(--tc, transparent), 4px 4px 0 var(--blood-dark);
  font-variant-numeric: tabular-nums;
}
.go-tier { font-size: 1.6rem; letter-spacing: .4em; color: var(--tc, var(--gold)); }
.go-player-title { display: block; color: var(--dim); font-size: 1.15rem; }
/* Ten lamps light up as the depth climbs through the tiers */
.go-ladder { display: flex; justify-content: center; gap: 6px; margin: 14px 0; }
.go-ladder span {
  width: 22px;
  height: 22px;
  background: rgba(255, 255, 255, .05);
  border: 2px solid rgba(255, 255, 255, .1);
  transition: background .2s, box-shadow .2s, transform .2s;
}
.go-ladder span.on { background: var(--c); border-color: var(--c); box-shadow: 0 0 10px var(--c); transform: translateY(4px); }
.go-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 14px; margin: 12px 0 6px; font-size: 1.15rem; text-align: left; }
.go-stats b { color: var(--gold); font-weight: normal; float: right; }
.go-section { margin: 14px 0 6px; font-family: var(--pixel-bold); font-size: .7rem; color: var(--gold); letter-spacing: .2em; }
.go-finds { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px; }
.go-finds .lb-empty { padding: 4px; }
.go-row { display: flex; justify-content: center; gap: 8px; margin-bottom: 14px; }
.go-card .roll-btn { max-width: none; }
.go-entry { margin: 12px 0; padding: 12px; border: 2px dashed var(--rust); }
.go-entry[hidden] { display: none; }
.go-entry-title { margin: 0 0 6px; font-family: var(--pixel-bold); font-size: .9rem; color: var(--gold); }
.go-entry-label { display: block; color: var(--dim); }
.go-entry-row { display: flex; gap: 10px; justify-content: center; margin-top: 6px; }
.go-entry-row[hidden] { display: none; }
.go-initials {
  width: 6.5ch;
  padding: 6px 8px;
  font-family: var(--pixel-bold);
  font-size: 1.4rem;
  letter-spacing: .3em;
  text-align: center;
  text-transform: uppercase;
  color: var(--gold);
  background: #000;
  border: 3px solid var(--rust);
}
.go-save { padding: 8px 16px 6px; font-family: var(--pixel-bold); font-size: .85rem; color: var(--gold); cursor: pointer; }
.go-skip { color: var(--dim); }
.go-entry-name { font-family: var(--pixel-bold); font-weight: normal; color: var(--gold); letter-spacing: .2em; }

/* A find, as a little chip: tinted by rarity */
.chip {
  display: inline-block;
  background: rgba(0, 0, 0, .55);
  border: 2px solid var(--rc, var(--iron));
  color: var(--rc, var(--text));
  padding: 2px 8px;
  font-size: 1rem;
  animation: pop-in .3s steps(3);
}
.chip b { color: #fff; font-weight: normal; }
@keyframes pop-in { from { transform: scale(0); } }
.r0 { --rc: var(--r0); color: var(--r0); }
.r1 { --rc: var(--r1); color: var(--r1); }
.r2 { --rc: var(--r2); color: var(--r2); }
.r3 { --rc: var(--r3); color: var(--r3); }
.r4 { --rc: var(--r4); color: var(--r4); }
.r5 { --rc: var(--r5); color: var(--r5); }
.r6 { --rc: var(--r6); color: var(--r6); }
/* Mushrooms never hold still: their color keeps drifting through the rainbow */
.chip.r6, .tab.r6, .item.r6 .gem, .detail.r6 h4, .help-steps b.r6 { animation: psyche 3s linear infinite; }
@keyframes psyche { from { filter: hue-rotate(0deg); } to { filter: hue-rotate(360deg); } }

/* ---------- Corner widgets ---------- */
.gold-badge {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 15;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px 6px 8px;
  color: var(--text);
  font: inherit;
  cursor: pointer;
}
.coin {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  background: radial-gradient(circle at 35% 35%, #ffe0a0, var(--gold) 45%, var(--gold-dark));
  border-radius: 50%;
  box-shadow: inset -3px -3px 0 rgba(0, 0, 0, .3), 0 0 10px rgba(232, 168, 64, .3);
  color: var(--blood-dark);
  font-family: var(--pixel-bold);
  font-size: .75rem;
}
.coin span { margin-top: 2px; }
.gold-text { display: flex; flex-direction: column; text-align: left; }
.gold-badge .label { font-size: .75rem; letter-spacing: .25em; color: var(--dim); text-transform: uppercase; }
.gold-value {
  font-family: var(--pixel-bold);
  font-size: 1.1rem;
  min-width: 4.5ch;
  margin-top: 2px;
  color: var(--gold);
  text-shadow: 0 0 10px rgba(232, 168, 64, .4);
}

.top-buttons {
  position: fixed;
  top: 12px;
  right: 12px;
  z-index: 15;
  display: flex;
  gap: 8px;
}
.icon-btn {
  width: 44px;
  height: 44px;
  padding: 0;
  font-family: var(--pixel-bold);
  font-size: 1rem;
  color: var(--gold);
  cursor: pointer;
}
#lb-btn { font-family: var(--pixel); font-size: 1.4rem; }
.mute { color: var(--gold); font-size: 1.6rem; }
.mute.off { color: #5a4a3a; text-decoration: line-through; }
.ambience-btn { font-family: var(--pixel); font-size: 1.6rem; }
.ambience-btn.off { color: #5a4a3a; text-decoration: line-through; }

.jackpot.value, .toast.jackpot, .go-score.jackpot { animation: rainbow 4s linear infinite; }
@keyframes rainbow {
  0%   { color: var(--ember); text-shadow: 0 0 12px var(--ember), 4px 4px 0 var(--blood-dark); }
  33%  { color: var(--lamp); text-shadow: 0 0 12px var(--lamp), 4px 4px 0 var(--blood-dark); }
  66%  { color: var(--r3); text-shadow: 0 0 12px var(--r3), 4px 4px 0 var(--blood-dark); }
}
.toast.jackpot.show { animation: toast 1.1s steps(10) both, rainbow 4s linear infinite; }

/* Depth gauge: a cable runs down to the cage while the shaft slides past */
.depth {
  position: fixed;
  right: 12px;
  top: 90px;
  bottom: 24px;
  width: 80px;
  pointer-events: none;
  z-index: 3;
}
.shaft {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 12px;
  border-right: 2px solid rgba(122, 74, 36, .6);
  background: repeating-linear-gradient(to bottom, rgba(232, 168, 64, .45) 0 2px, transparent 2px 24px) 0 calc(var(--depth) * -1) / 100% 24px;
  transition: background-position 1.2s steps(12);
}
.cable {
  position: absolute;
  right: 40px;
  top: 0;
  height: 50%;
  border-left: 2px dashed #5a4a3a;
}
.marker {
  position: absolute;
  right: 18px;
  top: 50%;
  white-space: nowrap;
  font-family: var(--pixel-bold);
  font-size: .65rem;
  color: var(--level-color, var(--gold));
  background: var(--panel);
  border: 2px solid var(--level-color, var(--iron));
  padding: 6px 6px 4px;
  text-shadow: 0 0 6px var(--level-color, var(--gold));
}

/* ---------- Falling nuggets you can tap ---------- */
.drifter {
  position: absolute;
  top: -70px;
  width: var(--ds, 34px);
  height: var(--ds, 34px);
  padding: 0;
  border: 0;
  background: none;
  pointer-events: auto;
  cursor: pointer;
  animation: fall var(--dur) linear forwards;
}
@keyframes fall {
  0%   { transform: translate(0, 0); }
  25%  { transform: translate(var(--sway), 27vh); }
  50%  { transform: translate(0, 55vh); }
  75%  { transform: translate(calc(var(--sway) * -1), 82vh); }
  100% { transform: translate(0, calc(100vh + 90px)); }
}
/* A blocky pixel nugget */
.nugget {
  position: relative;
  width: 100%;
  height: 100%;
  background: #6a5a4a;
  clip-path: polygon(25% 0, 75% 0, 75% 12%, 100% 12%, 100% 75%, 88% 75%, 88% 100%, 12% 100%, 12% 88%, 0 88%, 0 25%, 25% 25%);
  box-shadow: inset -5px -5px 0 #3a2e24, inset 5px 5px 0 #9a8670;
  animation: tumble var(--spin) steps(8) infinite;
  opacity: .85;
}
@keyframes tumble { to { transform: rotate(360deg); } }
.drifter.golden .nugget {
  background: var(--gold);
  box-shadow: inset -5px -5px 0 var(--gold-dark), inset 5px 5px 0 #ffe0a0;
  filter: drop-shadow(0 0 8px var(--gold));
}
.drifter.popped { animation-play-state: paused; pointer-events: none; }
.drifter.popped .nugget { animation: popspin .6s steps(6) forwards; }
@keyframes popspin {
  0%   { transform: scale(1) rotate(0); }
  60%  { transform: scale(1.9) rotate(540deg); opacity: 1; }
  100% { transform: scale(.2) rotate(720deg); opacity: 0; }
}

/* Damage numbers and loot callouts */
.float {
  position: fixed;
  z-index: 13;
  transform: translate(-50%, -50%);
  font-family: var(--pixel-bold);
  font-size: 1rem;
  color: var(--text);
  text-shadow: 2px 2px 0 #000, 0 0 8px rgba(255, 140, 40, .5);
  white-space: nowrap;
  pointer-events: none;
  animation: float-up 1s steps(10) forwards;
}
.float.gold { color: var(--gold); font-size: 1.2rem; }
.float.miss { color: #5a4a3a; font-size: .7rem; }
/* Crit levels 0-8: weak grey up to a huge orange blaze */
.float.c0 { color: #7a6a5a; font-size: .75rem; }
.float.c1 { color: var(--text); }
.float.c2 { color: var(--r1); font-size: 1.15rem; }
.float.c3 { color: var(--r2); font-size: 1.3rem; }
.float.c4 { color: var(--r3); font-size: 1.5rem; }
.float.c5, .float.c6, .float.c7, .float.c8 { color: var(--r4); font-size: 1.8rem; text-shadow: 3px 3px 0 var(--blood-dark), 0 0 14px var(--r4); }
.float.loot { font-size: .8rem; animation: float-down 2.6s steps(16) forwards; text-shadow: 2px 2px 0 #000, 0 0 10px currentColor; }
.float.loot.r4, .float.loot.r5, .float.loot.r6 { font-size: 1.1rem; }
@keyframes float-up {
  to { transform: translate(-50%, calc(-50% - 70px)); opacity: 0; }
}
/* Finds sink, like everything else down here */
@keyframes float-down {
  0% { transform: translate(-50%, calc(-50% - 30px)); opacity: 0; }
  15% { transform: translate(-50%, -50%); opacity: 1; }
  100% { transform: translate(-50%, calc(-50% + 40px)); opacity: 0; }
}

/* ---------- Toast & particles ---------- */
.toast {
  position: fixed;
  top: 42%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0);
  max-width: 94vw;
  text-align: center;
  font-family: var(--pixel-bold);
  font-size: clamp(1.1rem, 5.5vw, 2.4rem);
  line-height: 1.4;
  white-space: pre-line;
  color: var(--tc, var(--gold));
  text-shadow: 0 0 14px var(--tc, var(--gold)), 4px 4px 0 var(--blood-dark);
  pointer-events: none;
  z-index: 20;
}
.toast.show { animation: toast 1.1s steps(10) both; }
.toast.long.show { animation-duration: 2.2s; }
@keyframes toast {
  0%   { transform: translate(-50%, -50%) scale(0) rotate(-8deg); opacity: 0; }
  25%  { transform: translate(-50%, -50%) scale(1.2) rotate(2deg); opacity: 1; }
  40%  { transform: translate(-50%, -50%) scale(1); }
  80%  { transform: translate(-50%, -50%) scale(1); opacity: 1; }
  100% { transform: translate(-50%, -20%) scale(1); opacity: 0; }
}
.fx {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 19;
}

/* Achievement unlocked: a plate sliding down from the top */
.ach-toast {
  position: fixed;
  top: 70px;
  left: 50%;
  z-index: 22;
  max-width: 92vw;
  padding: 10px 16px 8px;
  text-align: center;
  border-color: var(--moss);
  pointer-events: none;
  animation: ach-in 3.2s steps(16) forwards;
}
.ach-toast small { display: block; font-family: var(--pixel-bold); font-size: .6rem; color: var(--moss); letter-spacing: .2em; }
.ach-toast b { display: block; margin-top: 6px; font-weight: normal; font-size: 1.3rem; color: var(--text); }
@keyframes ach-in {
  0%   { transform: translate(-50%, -160%); }
  12%, 82% { transform: translate(-50%, 0); }
  100% { transform: translate(-50%, -160%); }
}

/* ---------- Modals ---------- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 26;
  display: grid;
  place-items: center;
  padding: 16px;
  background: rgba(0, 0, 0, .85);
}
.modal[hidden] { display: none; }
.modal-box {
  position: relative;
  width: 100%;
  max-width: 560px;
  max-height: calc(100vh - 32px);
  overflow: auto;
  padding: 22px 18px;
}
.wide-box { max-width: 720px; }
.modal-box h2 { margin: 0; font-family: var(--pixel-bold); font-size: 1.1rem; color: var(--gold); text-align: center; }
.modal-box h3 { margin: 18px 0 6px; font-family: var(--pixel-bold); font-size: .9rem; color: var(--gold); }
.modal-sub { margin: 6px 0 12px; text-align: center; color: var(--dim); }
.modal-close {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 36px;
  height: 36px;
  font-size: 1.2rem;
  color: var(--gold);
  background: none;
  border: 2px solid var(--iron);
  cursor: pointer;
}
.lb-table { width: 100%; border-collapse: collapse; font-size: 1.15rem; }
.lb-table td { padding: 5px 6px; border-bottom: 1px solid rgba(122, 74, 36, .3); }
.lb-table tr.mine { background: rgba(232, 168, 64, .12); }
.lb-name { font-family: var(--pixel-bold); font-size: .9rem; color: var(--text); }
.lb-score { text-align: right; color: var(--tc, var(--gold)); }
.lb-tier { font-family: var(--pixel-bold); font-size: .7rem; color: var(--tc, var(--gold)); }
.lb-empty { text-align: center; color: var(--dim); padding: 18px; }
.lb-clear { display: block; margin: 14px auto 0; font: inherit; color: var(--dim); background: none; border: 0; text-decoration: underline; cursor: pointer; }
.tier-table td { vertical-align: top; font-size: 1.05rem; }
.tier-table i { color: var(--dim); }
.help-steps { margin: 12px 0 0; padding-left: 22px; font-size: 1.15rem; line-height: 1.3; }
.help-steps li { margin-bottom: 6px; }
.help-steps b { color: var(--gold); font-weight: normal; }
.help-steps b.r0, .help-steps b.r1, .help-steps b.r2, .help-steps b.r3, .help-steps b.r4, .help-steps b.r5, .help-steps b.r6 { color: var(--rc); }

/* Bag: tabs per rarity, a grid of finds, details of the selected one */
.tabs { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px; margin-bottom: 10px; }
.tab {
  padding: 4px 10px 2px;
  font: inherit;
  font-size: 1rem;
  color: var(--rc);
  background: rgba(0, 0, 0, .5);
  border: 2px solid rgba(255, 255, 255, .1);
  cursor: pointer;
}
.tab.on { border-color: var(--rc); box-shadow: 0 0 10px var(--rc); }
.item-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(92px, 1fr)); gap: 6px; }
.item {
  position: relative;
  padding: 6px 4px 4px;
  font: inherit;
  font-size: .95rem;
  line-height: 1.05;
  color: var(--text);
  text-align: center;
  background: rgba(0, 0, 0, .5);
  border: 2px solid var(--rc);
  cursor: pointer;
}
.item.unknown { border-color: rgba(255, 255, 255, .06); color: #3a2e24; cursor: default; }
.item.empty { opacity: .5; }
.item.sel { box-shadow: 0 0 12px var(--rc); background: rgba(255, 255, 255, .05); }
.item .gem { display: block; margin: 0 auto 4px; font-family: var(--pixel-bold); font-size: 1.2rem; color: var(--rc); text-shadow: 0 0 8px var(--rc); }
.item.unknown .gem { color: #2a2018; text-shadow: none; }
.item .qty { display: block; margin-top: 2px; font-family: var(--pixel-bold); font-size: .6rem; color: var(--gold); }
.detail { margin-top: 12px; padding: 12px; border: 2px dashed var(--rc, var(--rust)); }
.detail[hidden] { display: none; }
.detail h4 { margin: 0; font-family: var(--pixel-bold); font-size: .85rem; color: var(--rc); }
.detail p { margin: 6px 0; color: var(--text); font-size: 1.05rem; }
.detail .row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.small-btn {
  padding: 6px 12px 4px;
  font-family: var(--pixel-bold);
  font-size: .65rem;
  color: var(--gold);
  cursor: pointer;
}
.small-btn:disabled { opacity: .4; cursor: default; }

/* Shop: one plate per upgrade */
.shop-list { display: grid; gap: 10px; }
.upgrade {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 12px;
  padding: 10px 12px;
  background: rgba(0, 0, 0, .45);
  border: 2px solid var(--iron);
}
.upgrade.can { border-color: var(--moss); box-shadow: 0 0 12px rgba(138, 194, 90, .3); }
.upgrade h4 { margin: 0; font-family: var(--pixel-bold); font-size: .75rem; color: var(--gold); }
.upgrade .lvl { color: var(--lamp); font-size: 1rem; }
.upgrade p { grid-column: 1 / -1; margin: 0; color: var(--dim); font-size: 1rem; }
.upgrade .effect { color: var(--text); }
.upgrade .cost { grid-column: 1; display: flex; flex-wrap: wrap; gap: 4px; align-items: center; }
.upgrade .cost .chip { font-size: .95rem; animation: none; }
.upgrade .cost .chip.short { border-style: dashed; opacity: .55; }
.upgrade .small-btn { grid-column: 2; grid-row: 1 / span 2; align-self: center; }

/* Achievements */
.ach-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 6px; }
.ach { padding: 6px 8px; background: rgba(0, 0, 0, .45); border: 2px solid rgba(255, 255, 255, .05); color: #3a2e24; font-size: 1rem; }
.ach b { display: block; font-weight: normal; }
.ach.on { border-color: var(--moss); color: var(--dim); }
.ach.on b { color: var(--moss); }

/* ---------- Level up: the cage goes down ---------- */
.cage {
  position: fixed;
  inset: 0;
  z-index: 21;
  pointer-events: none;
  overflow: hidden;
}
/* The shaft wall rushing upward past the cage */
.cage-shaft {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(2px 2px at 30% 40%, rgba(232, 168, 64, .7) 60%, transparent) 0 0 / 160px 180px,
    repeating-linear-gradient(to bottom, var(--timber) 0 14px, var(--timber-dark) 14px 18px, transparent 18px 200px) 0 0 / 100% 200px,
    repeating-linear-gradient(to bottom, var(--rock) 0 26px, #17120e 26px 52px, var(--rock-dark) 52px 60px) 0 0 / 100% 60px,
    var(--black);
  animation: shaft-rush .35s linear infinite;
}
@keyframes shaft-rush { to { background-position: 0 -180px, 0 -200px, 0 -60px, 0 0; } }
/* The cage's own lamp swinging: light inside, dark outside */
.cage-shaft::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 40%, rgba(255, 170, 60, .18), rgba(0, 0, 0, .85) 55%);
  animation: lamp-swing 1.4s ease-in-out infinite alternate;
}
@keyframes lamp-swing { from { transform: translateX(-4%); } to { transform: translateX(4%); } }
/* Iron gate bars sliding shut from both sides */
.cage-gate {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 51%;
  background: repeating-linear-gradient(90deg, #2a2018 0 8px, transparent 8px 46px);
  border-top: 14px solid #2a2018;
  border-bottom: 14px solid #2a2018;
}
.cage-gate.left { left: 0; }
.cage-gate.right { right: 0; }
.cage-sign {
  position: absolute;
  left: 50%;
  top: 40%;
  transform: translate(-50%, -50%);
  padding: 14px 22px 10px;
  text-align: center;
  white-space: nowrap;
  border-color: var(--level-color, var(--iron));
}
.cage-sign small { display: block; font-family: var(--pixel-bold); font-size: .65rem; letter-spacing: .25em; color: var(--ember); }
.cage-sign b { display: block; margin-top: 8px; font-family: var(--pixel-bold); font-weight: normal; font-size: clamp(1.2rem, 6vw, 2.2rem); color: var(--level-color, var(--gold)); text-shadow: 0 0 14px var(--level-color, var(--gold)); font-variant-numeric: tabular-nums; }
.cage-sign span { display: block; margin-top: 6px; color: var(--dim); }

/* A rare find: the floor drops out from under you for a moment */
.lurch { animation: lurch .6s cubic-bezier(.3, 1.8, .6, 1); }
@keyframes lurch {
  0% { transform: translateY(0); }
  25% { transform: translateY(18px); }
  100% { transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  .dust, h1, .roll-btn, .message::after, .nugget, .darkness, .cage-shaft, .cage-shaft::after, .eye { animation: none; }
  .eye-pair { animation-duration: .01s; }
  .shaftwall, .shaft { transition: none; }
}

/* ---------- Phones: everything on one screen, no scrolling ---------- */
@media (max-width: 600px) {
  body { font-size: 17px; }
  .gold-badge { position: absolute; top: 8px; left: 8px; padding: 4px 8px 4px 6px; gap: 6px; }
  .coin { width: 26px; height: 26px; font-size: .6rem; }
  .gold-value { font-size: .9rem; margin-top: 0; }
  .gold-badge .label { font-size: .65rem; }
  .gold-text { line-height: 1.05; }
  .top-buttons { position: absolute; top: 8px; right: 8px; gap: 5px; }
  .icon-btn { width: 36px; height: 36px; font-size: .8rem; }
  #lb-btn { font-size: 1.1rem; }
  header { padding: 22px 12px 0; }
  .stage { margin-top: 56px; }
  .sign { padding: 10px 12px 8px; }
  .sign::before, .sign::after { top: -22px; height: 22px; }
  h1 { font-size: 1.7rem; }
  .subtitle { margin-top: 8px; font-size: .85rem; letter-spacing: .12em; }
  .floor { padding: 10px 10px 16px; }
  .scoreboard { gap: 5px; }
  .stat { padding: 5px 2px 4px; }
  .stat .label { font-size: .7rem; letter-spacing: .05em; }
  .stat .value { font-size: .7rem; margin-top: 4px; }
  .table { margin-top: 10px; border-width: 6px; padding: 8px 8px 8px; }
  .rock-info { padding: 0 8px; font-size: .85rem; letter-spacing: .05em; }
  .hp { margin: 4px 8px 0; }
  .pit { height: 210px; }
  .message { font-size: 1.15rem; margin: 10px 0 12px; }
  .hint { font-size: .95rem; margin: -6px 0 10px; }
  .roll-btn { padding: 14px 10px; font-size: .95rem; }
  .roll-btn.mining { font-size: .8rem; }
  .roll-btn .auto { font-size: .95rem; margin-top: 4px; }
  .insta-btn { margin-top: 10px; font-size: 1rem; padding: 6px 12px 4px; }
  .footer { margin-top: 10px; font-size: .9rem; }
  .joke { font-size: .95rem; }
  .depth { display: none; }
  .go-card { padding: 18px 14px 14px; }
  .item-grid { grid-template-columns: repeat(auto-fill, minmax(76px, 1fr)); }
}
@media (max-width: 600px) and (max-height: 760px) {
  .joke { display: none; }
  .pit { height: 180px; }
}

/* ---------- No scrolling: the game is scaled to fit 90% of the screen ---------- */
html, body { height: 100%; overflow: hidden; overscroll-behavior: none; }
body { touch-action: manipulation; }
.stage { position: relative; width: 100%; transform-origin: top center; }