:root {
  --ink: #17202a;
  --cave: #263849;
  --slate: #3d5961;
  --moss: #668b5b;
  --gold: #d6b45a;
  --ore: #dc6b4a;
  --cream: #f3e7c5;
  --paper: #fff7dc;
  --danger: #a63d40;
  --pixel: 4px;
  --panel-shadow: 8px 8px 0 var(--ink);
  --font-pixel: "Press Start 2P", ui-monospace, "SFMono-Regular", Consolas, monospace;
  --font-korean: ui-monospace, "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 300px;
  color-scheme: dark;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  color: var(--cream);
  background-color: var(--cave);
  background-image:
    linear-gradient(90deg, rgba(23, 32, 42, 0.22) 2px, transparent 2px),
    linear-gradient(rgba(23, 32, 42, 0.22) 2px, transparent 2px),
    linear-gradient(135deg, var(--cave) 25%, #304755 25%, #304755 50%, var(--cave) 50%, var(--cave) 75%, #304755 75%);
  background-size: 24px 24px, 24px 24px, 48px 48px;
  font-family: var(--font-korean);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  content: "";
  pointer-events: none;
  background: radial-gradient(circle at 50% 10%, rgba(214, 180, 90, 0.12), transparent 38%);
}

button,
textarea,
input,
select {
  font: inherit;
}

button {
  -webkit-tap-highlight-color: transparent;
}

button:focus-visible,
textarea:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 4px solid var(--gold);
  outline-offset: 4px;
}

.is-hidden {
  display: none !important;
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  overflow: hidden !important;
  border: 0 !important;
  clip: rect(0 0 0 0) !important;
  clip-path: inset(50%) !important;
  white-space: nowrap !important;
}

.noscript-message {
  padding: 20px;
  color: var(--ink);
  background: var(--gold);
  border-bottom: 4px solid var(--ink);
  font-weight: 800;
  text-align: center;
}

.pixel-panel {
  border: var(--pixel) solid var(--ink);
  background: var(--cream);
  color: var(--ink);
  box-shadow: var(--panel-shadow);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--ore);
  font-family: var(--font-pixel);
  font-size: 0.62rem;
  line-height: 1.65;
  letter-spacing: 0.08em;
}

.pixel-button {
  position: relative;
  min-height: 44px;
  padding: 10px 14px;
  border: 3px solid var(--ink);
  border-radius: 0;
  color: var(--ink);
  background: var(--cream);
  box-shadow: 4px 4px 0 var(--ink);
  font-weight: 900;
  cursor: pointer;
  transition: transform 80ms steps(2), box-shadow 80ms steps(2), background-color 120ms linear;
}

.pixel-button:hover:not(:disabled) {
  background: var(--paper);
}

.pixel-button:active:not(:disabled) {
  transform: translate(4px, 4px);
  box-shadow: 0 0 0 var(--ink);
}

.pixel-button:disabled {
  cursor: not-allowed;
  filter: grayscale(0.65);
  opacity: 0.55;
}

.pixel-button--primary {
  color: var(--ink);
  background: var(--gold);
}

.pixel-button--primary:hover:not(:disabled) {
  background: #e5c76f;
}

.pixel-button--danger {
  color: var(--paper);
  background: var(--danger);
}

.pixel-button--danger:hover:not(:disabled) {
  background: #bd4d4f;
}

.pixel-button--small {
  min-height: 38px;
  padding: 7px 11px;
  font-size: 0.82rem;
}

.start-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  overflow-y: auto;
  place-items: center;
  padding: clamp(10px, 2vw, 24px);
  background:
    radial-gradient(circle at 50% 45%, rgba(61, 89, 97, 0.42), transparent 55%),
    var(--ink);
}

.start-hero {
  position: relative;
  isolation: isolate;
  display: grid;
  width: min(1280px, 100%);
  min-height: min(760px, calc(100svh - 32px));
  overflow: hidden;
  border: 4px solid var(--ink);
  place-items: stretch;
  background: var(--cave);
  box-shadow: 12px 12px 0 #0d141a;
  text-align: center;
}

.start-hero::before {
  position: absolute;
  z-index: -1;
  inset: 0;
  content: "";
  background:
    linear-gradient(180deg, rgba(13, 20, 26, 0.35) 0%, transparent 32%, rgba(13, 20, 26, 0.18) 58%, rgba(13, 20, 26, 0.76) 100%),
    radial-gradient(circle at 50% 38%, transparent 10%, rgba(13, 20, 26, 0.12) 48%, rgba(13, 20, 26, 0.62) 100%);
}

.start-hero::after {
  position: absolute;
  z-index: -1;
  inset: 0;
  content: "";
  pointer-events: none;
  background: repeating-linear-gradient(0deg, transparent 0 5px, rgba(23, 32, 42, 0.08) 5px 7px);
}

.start-hero-image {
  position: absolute;
  z-index: -2;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  image-rendering: pixelated;
}

.start-hero-content {
  display: flex;
  min-height: inherit;
  align-items: center;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(24px, 5vw, 58px);
}

.start-brand {
  width: min(600px, 100%);
  margin-top: clamp(12px, 2.5vh, 28px);
  padding: clamp(16px, 3vw, 26px);
  border: 3px solid rgba(243, 231, 197, 0.68);
  color: var(--cream);
  background: rgba(23, 32, 42, 0.76);
  box-shadow: 7px 7px 0 rgba(13, 20, 26, 0.9);
  backdrop-filter: blur(2px);
}

.start-brand .eyebrow {
  color: var(--ore);
}

.game-title {
  margin: 0;
  color: var(--cream);
  font-family: var(--font-pixel);
  font-size: clamp(2.1rem, 9vw, 4rem);
  line-height: 1.35;
  letter-spacing: 0.04em;
  text-shadow: 5px 5px 0 var(--ink), 8px 8px 0 rgba(214, 180, 90, 0.75);
}

.start-subtitle {
  margin: 14px 0 0;
  color: var(--cream);
  font-size: 1.05rem;
  font-weight: 900;
  text-shadow: 2px 2px 0 var(--ink);
}

.start-action-panel {
  width: min(390px, 100%);
  padding: 15px;
  border: 3px solid var(--cream);
  color: var(--cream);
  background: rgba(23, 32, 42, 0.86);
  box-shadow: 7px 7px 0 rgba(13, 20, 26, 0.92);
}

.start-protocol-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
  font-size: 0.78rem;
}

.protocol-label {
  font-weight: 900;
}

.status-chip,
.section-badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 5px 8px;
  color: var(--paper);
  background: var(--slate);
  font-family: var(--font-pixel);
  font-size: 0.55rem;
  line-height: 1.5;
}

.status-chip.is-good {
  background: var(--moss);
}

.status-chip.is-bad {
  background: var(--danger);
}

.storage-warning {
  padding: 16px 18px;
  border: 4px dashed var(--ore);
  background: #f5dfb1;
  text-align: left;
}

.storage-warning p {
  margin: 0 0 8px;
}

.storage-warning ul {
  margin: 0;
  padding-left: 22px;
}

.storage-warning li + li {
  margin-top: 5px;
}

.start-status {
  min-height: 1.5em;
  margin: 10px 0 0;
  color: var(--cream);
  font-size: 0.76rem;
  font-weight: 800;
}

.start-status.is-error {
  color: #ff9a8b;
}

.start-button {
  width: 100%;
  min-height: 60px;
  font-family: var(--font-pixel);
  font-size: 0.78rem;
}

.start-footnote {
  margin: 16px 0 0;
  color: var(--slate);
  font-size: 0.78rem;
}

.start-dialog-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.start-dialog-actions .pixel-button {
  min-height: 52px;
}

.start-storage-content .start-dialog-status {
  margin: 14px 0 0;
}

.start-storage-content .start-footnote {
  margin: 16px 0 0;
}

.game-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 48px;
}

.topbar {
  position: relative;
  z-index: 10;
  display: grid;
  align-items: center;
  grid-template-areas: "stats actions";
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  margin-bottom: 18px;
  padding: 12px 16px;
}

.topbar-stats {
  grid-area: stats;
  display: grid;
  min-width: 0;
  align-items: stretch;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.topbar-stat {
  min-width: 0;
  padding: 2px clamp(10px, 2vw, 20px);
  border-right: 3px solid var(--ink);
}

.topbar-stat:first-child {
  padding-left: 0;
}

.topbar-stat:last-child {
  padding-right: 0;
  border-right: 0;
}

.topbar-stat .stat-label {
  margin-bottom: 2px;
  font-size: 0.72rem;
}

.topbar-stat .stat-value {
  line-height: 1.4;
}

.topbar-actions {
  grid-area: actions;
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  justify-content: flex-end;
  gap: 10px;
}

.utility-menu {
  display: flex;
  align-items: center;
  gap: 8px;
}

.utility-menu-button {
  position: relative;
  display: grid;
  width: 42px;
  height: 42px;
  padding: 7px;
  border: 3px solid var(--ink);
  border-radius: 0;
  place-items: center;
  color: var(--ink);
  background: var(--paper);
  box-shadow: 3px 3px 0 var(--ink);
  cursor: pointer;
  transition: transform 80ms steps(2), box-shadow 80ms steps(2), background-color 120ms linear;
}

.utility-menu-button:hover {
  background: var(--gold);
}

.utility-menu-button:active {
  transform: translate(3px, 3px);
  box-shadow: 0 0 0 var(--ink);
}

.utility-menu-button svg,
.dialog-icon-close svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: currentColor;
  stroke-linecap: square;
  stroke-linejoin: miter;
  stroke-width: 2.2;
  vector-effect: non-scaling-stroke;
}

.utility-menu-button::after {
  position: absolute;
  z-index: 20;
  top: calc(100% + 10px);
  left: 50%;
  width: max-content;
  max-width: 140px;
  padding: 5px 7px;
  border: 2px solid var(--ink);
  color: var(--paper);
  background: var(--ink);
  content: attr(data-tooltip);
  font-size: 0.68rem;
  font-weight: 900;
  line-height: 1.3;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, -4px);
  transition: opacity 100ms linear, transform 100ms steps(2);
}

.utility-menu-button:last-child::after {
  right: 0;
  left: auto;
  transform: translate(0, -4px);
}

.utility-menu-button:hover::after,
.utility-menu-button:focus-visible::after {
  opacity: 1;
  transform: translate(-50%, 0);
}

.utility-menu-button:last-child:hover::after,
.utility-menu-button:last-child:focus-visible::after {
  transform: translate(0, 0);
}

.utility-menu-badge {
  position: absolute;
  top: -9px;
  right: -8px;
  display: grid;
  min-width: 22px;
  height: 22px;
  padding: 0 4px;
  border: 2px solid var(--ink);
  place-items: center;
  color: var(--paper);
  background: var(--ore);
  box-shadow: 2px 2px 0 var(--ink);
  font-family: var(--font-pixel);
  font-size: 0.45rem;
  line-height: 1;
}

.utility-menu-badge--fraction {
  right: -11px;
  min-width: 30px;
  font-size: 0.4rem;
}

.save-indicator {
  min-width: 110px;
  overflow: hidden;
  font-size: 0.78rem;
  font-weight: 900;
  text-align: right;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.save-indicator::before {
  display: inline-block;
  width: 9px;
  height: 9px;
  margin-right: 7px;
  content: "";
  background: var(--moss);
  box-shadow: 2px 2px 0 var(--ink);
}

.save-indicator.is-error::before {
  background: var(--danger);
}

.session-warning {
  margin: 0 0 20px;
  padding: 14px 16px;
  border: 4px solid var(--ink);
  color: var(--ink);
  background: var(--gold);
  box-shadow: 5px 5px 0 var(--ink);
  font-weight: 900;
}

.stat-label {
  display: block;
  margin-bottom: 6px;
  color: var(--slate);
  font-size: 0.82rem;
  font-weight: 900;
}

.stat-value {
  display: block;
  overflow: hidden;
  color: var(--ink);
  font-family: var(--font-pixel);
  font-size: clamp(1rem, 3vw, 1.45rem);
  line-height: 1.55;
  text-overflow: ellipsis;
}

.main-grid {
  display: grid;
  grid-template-columns: minmax(300px, 0.85fr) minmax(380px, 1.15fr);
  gap: 24px;
  align-items: start;
}

.mine-section,
.shop-section {
  padding: 22px;
}

.mine-section {
  --mine-accent: #69747c;
  --mine-secondary: #303840;
  --mine-stage: #1a2025;
  --mine-wall: #3d4650;
  --mine-contrast: #f3e7c5;
}

.mine-section .eyebrow,
.mine-summary-separator {
  color: var(--mine-accent);
}

#currentOreBadge {
  color: var(--mine-contrast);
  background: var(--mine-accent);
}

.ore-progression-bonus {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  margin: -4px 0 14px;
  padding: 8px 10px;
  border: 3px solid var(--ink);
  background: #f5dfb1;
  box-shadow: inset 7px 0 0 var(--mine-accent);
  color: var(--slate);
  font-size: 0.75rem;
  font-weight: 900;
  line-height: 1.5;
}

.ore-progression-bonus span:first-child {
  margin-left: 7px;
}

.ore-progression-bonus strong {
  color: var(--ink);
  font-family: var(--font-pixel);
  font-size: 0.52rem;
}

.section-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 4px solid var(--ink);
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(1.15rem, 3vw, 1.5rem);
}

.mine-heading-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

.character-menu-button {
  display: inline-flex;
  min-height: 36px;
  align-items: center;
  gap: 7px;
  padding: 6px 9px;
  border: 3px solid var(--ink);
  border-radius: 0;
  color: var(--paper);
  background: var(--slate);
  box-shadow: 3px 3px 0 var(--ink);
  font-size: 0.7rem;
  font-weight: 900;
  white-space: nowrap;
  cursor: pointer;
}

.character-menu-button:hover {
  color: var(--ink);
  background: var(--gold);
}

.character-menu-button:active {
  transform: translate(3px, 3px);
  box-shadow: 0 0 0 var(--ink);
}

.character-menu-button svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: square;
  stroke-linejoin: miter;
  stroke-width: 2;
}

.mine-stage {
  position: relative;
  isolation: isolate;
  display: grid;
  min-height: 410px;
  overflow: hidden;
  place-items: center;
  border: 4px solid var(--ink);
  background: var(--mine-stage);
  box-shadow: inset 0 0 0 8px var(--mine-wall);
}

.mine-stage::before,
.mine-stage::after {
  position: absolute;
  z-index: 0;
  bottom: 0;
  width: 40%;
  height: 38px;
  content: "";
  background: var(--ink);
}

.mine-stage::before {
  left: 0;
  clip-path: polygon(0 45%, 22% 45%, 22% 15%, 48% 15%, 48% 55%, 72% 55%, 72% 25%, 100% 25%, 100% 100%, 0 100%);
}

.mine-stage::after {
  right: 0;
  transform: scaleX(-1);
  clip-path: polygon(0 45%, 22% 45%, 22% 15%, 48% 15%, 48% 55%, 72% 55%, 72% 25%, 100% 25%, 100% 100%, 0 100%);
}

.cave-dots,
.cave-dots::before,
.cave-dots::after {
  position: absolute;
  width: 8px;
  height: 8px;
  content: "";
  background: var(--mine-accent);
  box-shadow:
    54px 26px 0 var(--mine-secondary),
    112px -8px 0 var(--mine-accent),
    184px 44px 0 var(--mine-secondary),
    232px -24px 0 var(--mine-accent);
}

.cave-dots {
  z-index: 0;
  top: 18%;
  left: 10%;
  opacity: 0.72;
}

.cave-dots::before {
  top: 92px;
  left: 18px;
  opacity: 0.58;
}

.cave-dots::after {
  top: 185px;
  left: -4px;
  opacity: 0.42;
}

.ore-stage-marker {
  position: absolute;
  z-index: 4;
  top: 18px;
  left: 18px;
  display: grid;
  gap: 4px;
  min-width: 104px;
  padding: 8px 10px;
  border: 3px solid var(--ink);
  color: var(--mine-contrast);
  background: var(--mine-secondary);
  box-shadow: 4px 4px 0 var(--ink);
  pointer-events: none;
}

.miner-actor {
  position: absolute;
  z-index: 2;
  bottom: 24px;
  left: 0;
  width: clamp(90px, 13vw, 118px);
  aspect-ratio: 360 / 418;
  pointer-events: none;
  transform: translate3d(16px, 0, 0);
  will-change: transform;
}

.miner-actor canvas {
  display: block;
  width: 100%;
  height: auto;
  image-rendering: pixelated;
  filter: drop-shadow(4px 6px 0 rgba(23, 32, 42, 0.82));
}

.miner-actor[data-pose="front"] canvas {
  filter: drop-shadow(3px 5px 0 rgba(23, 32, 42, 0.76));
}

.miner-actor[data-pose="mining"] canvas {
  filter: drop-shadow(6px 7px 0 rgba(23, 32, 42, 0.9)) brightness(1.06);
}

.ore-stage-marker span {
  font-family: var(--font-pixel);
  font-size: 0.45rem;
  line-height: 1.5;
}

.ore-stage-marker strong {
  color: var(--paper);
  font-size: 0.84rem;
  line-height: 1.25;
}

.mine-button {
  position: relative;
  display: grid;
  width: min(290px, 82%);
  padding: 18px 16px 14px;
  border: 0;
  place-items: center;
  color: var(--paper);
  background: transparent;
  cursor: pointer;
  touch-action: manipulation;
}

.mine-button canvas {
  position: relative;
  z-index: 1;
  display: block;
  width: min(240px, 100%);
  height: auto;
  image-rendering: pixelated;
  filter: drop-shadow(8px 10px 0 rgba(23, 32, 42, 0.9));
  transition: transform 80ms steps(2), filter 80ms steps(2);
}

.mine-button:hover canvas {
  filter: drop-shadow(10px 12px 0 rgba(23, 32, 42, 0.9)) brightness(1.05);
}

.mine-button.is-hit canvas,
.mine-button:active canvas {
  transform: translate(4px, 6px) scale(0.96);
  filter: drop-shadow(3px 4px 0 rgba(23, 32, 42, 0.9)) brightness(1.18);
}

.mine-button-gain {
  position: relative;
  z-index: 4;
  margin-top: 10px;
  color: var(--mine-accent);
  font-family: var(--font-pixel);
  font-size: 0.65rem;
}

.floating-gain {
  position: absolute;
  z-index: 5;
  top: 38%;
  left: 50%;
  pointer-events: none;
  color: var(--mine-accent);
  font-family: var(--font-pixel);
  font-size: 0.7rem;
  text-shadow: 2px 2px 0 var(--ink);
  animation: float-up 700ms steps(7) forwards;
}

@keyframes float-up {
  from {
    transform: translate(-50%, 0);
    opacity: 1;
  }
  to {
    transform: translate(-50%, -72px);
    opacity: 0;
  }
}

.mine-summary {
  margin-top: 14px;
  color: var(--slate);
  font-size: clamp(0.72rem, 1.5vw, 0.83rem);
  font-weight: 800;
  line-height: 1.8;
}

.mine-summary strong {
  color: var(--ink);
}

.mine-summary-separator {
  margin: 0 6px;
  font-weight: 900;
}

.purchase-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 14px;
  padding: 10px 12px;
  border: 3px solid var(--ink);
  background: #f5dfb1;
  box-shadow: 3px 3px 0 var(--slate);
}

.purchase-toolbar strong,
.purchase-toolbar span {
  display: block;
}

.purchase-toolbar strong {
  font-size: 0.8rem;
}

.purchase-toolbar span {
  margin-top: 2px;
  color: var(--slate);
  font-size: 0.68rem;
}

.purchase-mode-buttons {
  display: grid;
  flex: 0 0 auto;
  grid-template-columns: repeat(3, minmax(58px, 1fr));
  gap: 6px;
}

.purchase-mode-button {
  min-height: 36px;
  padding: 6px 8px;
  border: 3px solid var(--ink);
  color: var(--ink);
  background: var(--paper);
  box-shadow: 2px 2px 0 var(--ink);
  font-weight: 900;
  cursor: pointer;
}

.purchase-mode-button:hover {
  background: var(--gold);
}

.purchase-mode-button[aria-pressed="true"] {
  color: var(--paper);
  background: var(--ink);
  box-shadow: 2px 2px 0 var(--ore);
}

.purchase-mode-button:active {
  transform: translate(2px, 2px);
  box-shadow: none;
}

.upgrade-list {
  display: grid;
  gap: 12px;
}

.upgrade-card {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 12px;
  border: 3px solid var(--ink);
  background: var(--paper);
  box-shadow: 4px 4px 0 var(--slate);
}

.upgrade-icon {
  display: grid;
  width: 42px;
  height: 42px;
  border: 3px solid var(--ink);
  place-items: center;
  color: var(--paper);
  background: var(--ore);
  font-family: var(--font-pixel);
  font-size: 0.7rem;
  box-shadow: 3px 3px 0 var(--ink);
}

.upgrade-card:nth-child(3n + 2) .upgrade-icon {
  background: var(--moss);
}

.upgrade-card:nth-child(3n) .upgrade-icon {
  color: var(--ink);
  background: var(--gold);
}

.upgrade-card.upgrade-card--milestone {
  --milestone-accent: var(--gold);
  --milestone-contrast: var(--ink);
  background: #f5dfb1;
  box-shadow: 4px 4px 0 var(--milestone-accent), 8px 8px 0 var(--ink);
}

.upgrade-card.upgrade-card--milestone .upgrade-icon {
  color: var(--milestone-contrast);
  background: var(--milestone-accent);
}

.upgrade-card--milestone .upgrade-level {
  color: var(--ink);
}

.upgrade-card--milestone .upgrade-effect {
  color: var(--ore);
}

.upgrade-info {
  min-width: 0;
}

.upgrade-name-row {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px;
}

.upgrade-name {
  margin: 0;
  font-size: 0.98rem;
}

.upgrade-level {
  color: var(--ore);
  font-family: var(--font-pixel);
  font-size: 0.55rem;
}

.upgrade-description,
.upgrade-effect {
  margin: 2px 0 0;
  color: var(--slate);
  font-size: 0.76rem;
}

.upgrade-effect {
  color: var(--ink);
  font-weight: 900;
}

.upgrade-buy {
  min-width: 106px;
  padding: 8px 10px;
  font-size: 0.76rem;
}

.upgrade-buy span {
  display: block;
}

.upgrade-buy-cost {
  margin-top: 2px;
  color: currentColor;
  font-family: var(--font-pixel);
  font-size: 0.52rem;
}

.achievement-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.mineral-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 4px;
}

.mineral-card {
  --mineral-accent: var(--slate);
  --mineral-stage: var(--cave);
  position: relative;
  min-width: 0;
  overflow: hidden;
  border: 3px solid var(--ink);
  background: var(--paper);
  box-shadow: 4px 4px 0 var(--slate);
}

.mineral-card.is-current {
  box-shadow: 4px 4px 0 var(--mineral-accent), 8px 8px 0 var(--ink);
}

.mineral-preview {
  position: relative;
  display: grid;
  min-height: 132px;
  overflow: hidden;
  place-items: center;
  border-bottom: 3px solid var(--ink);
  background: var(--mineral-stage);
  box-shadow: inset 0 0 0 6px rgba(243, 231, 197, 0.12);
}

.mineral-preview::before,
.mineral-preview::after {
  position: absolute;
  width: 7px;
  height: 7px;
  content: "";
  background: var(--mineral-accent);
  box-shadow: 28px 18px 0 var(--mineral-accent), -34px 42px 0 var(--mineral-accent);
  opacity: 0.64;
}

.mineral-preview::before {
  top: 18px;
  left: 28px;
}

.mineral-preview::after {
  right: 34px;
  bottom: 22px;
  transform: scale(0.72);
}

.mineral-preview canvas {
  position: relative;
  z-index: 1;
  display: block;
  width: 104px;
  height: 104px;
  image-rendering: pixelated;
  filter: drop-shadow(5px 7px 0 rgba(0, 0, 0, 0.56));
}

.mineral-card:not(.is-unlocked) .mineral-preview canvas {
  filter: grayscale(1) brightness(0.2) drop-shadow(5px 7px 0 rgba(0, 0, 0, 0.72));
  opacity: 0.74;
}

.mineral-card-body {
  display: grid;
  gap: 6px;
  padding: 13px 14px 15px;
}

.mineral-card-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.mineral-card-heading h3 {
  margin: 0;
  font-size: 0.98rem;
}

.mineral-stage-number {
  color: var(--mineral-accent);
  font-family: var(--font-pixel);
  font-size: 0.44rem;
  line-height: 1.5;
  white-space: nowrap;
}

.mineral-description {
  min-height: 44px;
  margin: 0;
  color: var(--slate);
  font-size: 0.75rem;
  line-height: 1.5;
}

.mineral-bonus {
  min-height: 28px;
  margin: 0;
  padding: 5px 7px;
  border-left: 5px solid var(--mineral-accent);
  background: #e9e1c4;
  color: var(--ink);
  font-size: 0.68rem;
  font-weight: 900;
  line-height: 1.45;
}

.mineral-card:not(.is-unlocked) .mineral-bonus {
  opacity: 0.58;
}

.mineral-card.is-progression .mineral-bonus {
  color: var(--mineral-contrast);
  background: var(--mineral-accent);
  opacity: 1;
}

.mineral-status {
  justify-self: start;
  padding: 4px 7px;
  color: var(--paper);
  background: var(--slate);
  font-family: var(--font-pixel);
  font-size: 0.43rem;
  line-height: 1.5;
}

.mineral-card.is-unlocked .mineral-status {
  color: var(--ink);
  background: var(--mineral-accent);
}

.mineral-card.is-current .mineral-status {
  color: var(--paper);
  background: var(--ink);
}

.mineral-select-button {
  width: 100%;
  margin-top: 4px;
}

.mineral-card.is-current .mineral-select-button:disabled {
  color: var(--paper);
  background: var(--ink);
  opacity: 1;
}

.achievement-card {
  position: relative;
  min-height: 138px;
  padding: 14px;
  overflow: hidden;
  border: 3px solid var(--ink);
  background: #d8d1b4;
}

.achievement-card::after {
  position: absolute;
  right: 8px;
  bottom: -18px;
  color: rgba(23, 32, 42, 0.13);
  content: "?";
  font-family: var(--font-pixel);
  font-size: 4rem;
}

.achievement-card.is-unlocked {
  background: var(--gold);
  box-shadow: 4px 4px 0 var(--ink);
}

.achievement-card.is-unlocked::after {
  bottom: -24px;
  content: "◆";
}

.achievement-state {
  display: inline-block;
  margin-bottom: 8px;
  padding: 3px 6px;
  color: var(--paper);
  background: var(--slate);
  font-family: var(--font-pixel);
  font-size: 0.48rem;
}

.achievement-card.is-unlocked .achievement-state {
  background: var(--moss);
}

.achievement-name {
  position: relative;
  z-index: 1;
  margin: 0 0 5px;
  font-size: 0.92rem;
}

.achievement-description,
.achievement-time {
  position: relative;
  z-index: 1;
  margin: 0;
  color: var(--slate);
  font-size: 0.74rem;
}

.achievement-time {
  margin-top: 6px;
  color: var(--ink);
  font-weight: 900;
}

.save-notice {
  margin-bottom: 18px;
  padding: 14px;
  border: 3px dashed var(--ore);
  background: #f5dfb1;
}

.storage-details {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
  margin: 0 0 18px;
}

.storage-details > div {
  min-width: 0;
  padding: 10px;
  border: 3px solid var(--ink);
  background: var(--paper);
}

.storage-details dt {
  color: var(--slate);
  font-size: 0.72rem;
  font-weight: 900;
}

.storage-details dd {
  margin: 5px 0 0;
  overflow-wrap: anywhere;
  font-size: 0.78rem;
  font-weight: 900;
}

.save-actions {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

.settings-list {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.toggle-row,
.confirm-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 18px;
  padding: 12px;
  border: 3px solid var(--ink);
  background: var(--paper);
  cursor: pointer;
}

.settings-list .toggle-row {
  margin-top: 0;
}

.toggle-row small {
  display: block;
  color: var(--slate);
}

.toggle-row small.is-error {
  color: var(--danger);
}

.toggle-row input,
.confirm-row input {
  width: 24px;
  height: 24px;
  flex: 0 0 auto;
  accent-color: var(--moss);
}

.game-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 28px 4px 0;
  color: var(--cream);
  font-family: var(--font-pixel);
  font-size: 0.5rem;
  line-height: 1.7;
  text-shadow: 2px 2px 0 var(--ink);
}

.toast-region {
  position: fixed;
  z-index: 1200;
  top: 18px;
  right: 18px;
  display: grid;
  width: min(360px, calc(100% - 36px));
  gap: 10px;
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 15px;
  border: 4px solid var(--ink);
  color: var(--ink);
  background: var(--gold);
  box-shadow: 6px 6px 0 var(--ink);
  font-weight: 900;
  animation: toast-in 180ms steps(3);
}

.toast-message {
  min-width: 0;
  overflow-wrap: anywhere;
}

.toast-count {
  flex: 0 0 auto;
  padding: 3px 6px;
  color: var(--paper);
  background: var(--ink);
  font-family: var(--font-pixel);
  font-size: 0.48rem;
  line-height: 1.5;
  white-space: nowrap;
}

.toast-count[hidden] {
  display: none;
}

.toast.is-error {
  color: var(--paper);
  background: var(--danger);
}

.toast.is-error .toast-count {
  color: var(--danger);
  background: var(--paper);
}

@keyframes toast-in {
  from {
    transform: translateX(20px);
    opacity: 0;
  }
}

.pixel-dialog {
  width: min(540px, calc(100% - 28px));
  max-height: calc(100vh - 28px);
  padding: 0;
  overflow: auto;
  border: 4px solid var(--ink);
  border-radius: 0;
  color: var(--ink);
  background: var(--cream);
  box-shadow: 10px 10px 0 var(--ink);
}

.pixel-dialog--wide {
  width: min(720px, calc(100% - 28px));
}

.pixel-dialog--feature {
  width: min(960px, calc(100% - 28px));
}

.pixel-dialog.start-storage-dialog {
  width: min(680px, calc(100% - 28px));
}

.start-storage-content h2 {
  max-width: 560px;
  font-size: clamp(1.25rem, 4vw, 1.7rem);
  line-height: 1.45;
}

.pixel-dialog::backdrop {
  background: rgba(23, 32, 42, 0.82);
  backdrop-filter: blur(2px);
}

.dialog-content {
  padding: clamp(20px, 5vw, 34px);
}

.character-dialog-content {
  position: relative;
}

.character-dialog-content h2 {
  padding-right: 52px;
}

.character-dialog-description {
  max-width: 600px;
  color: var(--slate);
  font-size: 0.86rem;
  font-weight: 800;
}

.character-customizer {
  display: grid;
  grid-template-columns: minmax(220px, 0.78fr) minmax(250px, 1fr);
  gap: 24px;
  align-items: center;
  margin: 22px 0;
}

.character-dialog-preview {
  display: grid;
  min-height: 300px;
  overflow: hidden;
  place-items: center;
  padding: 14px;
  border: 4px solid var(--ink);
  background-color: #d7cba9;
  background-image:
    linear-gradient(45deg, #b9ad8d 25%, transparent 25%),
    linear-gradient(-45deg, #b9ad8d 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #b9ad8d 75%),
    linear-gradient(-45deg, transparent 75%, #b9ad8d 75%);
  background-position: 0 0, 0 12px, 12px -12px, -12px 0;
  background-size: 24px 24px;
  box-shadow: inset 0 0 0 7px rgba(23, 32, 42, 0.16);
}

.character-dialog-preview canvas {
  display: block;
  width: min(100%, 230px);
  height: auto;
  aspect-ratio: 360 / 418;
  image-rendering: pixelated;
  filter: drop-shadow(5px 7px 0 rgba(23, 32, 42, 0.72));
}

.character-selector-controls {
  display: grid;
  gap: 16px;
}

.character-selector-control {
  display: grid;
  gap: 7px;
}

.character-selector-control > span {
  color: var(--slate);
  font-size: 0.8rem;
  font-weight: 900;
}

.character-selector-control select {
  width: 100%;
  min-height: 48px;
  padding: 9px 38px 9px 12px;
  border: 3px solid var(--ink);
  border-radius: 0;
  color: var(--ink);
  background-color: var(--paper);
  background-image:
    linear-gradient(45deg, transparent 50%, var(--ink) 50%),
    linear-gradient(135deg, var(--ink) 50%, transparent 50%);
  background-position:
    calc(100% - 18px) calc(50% - 2px),
    calc(100% - 12px) calc(50% - 2px);
  background-repeat: no-repeat;
  background-size: 7px 7px, 7px 7px;
  box-shadow: 4px 4px 0 var(--ink);
  font-weight: 900;
  cursor: pointer;
  appearance: none;
}

.character-behavior-note {
  display: grid;
  gap: 4px;
  padding: 12px 14px;
  border-left: 5px solid var(--gold);
  color: var(--slate);
  background: rgba(214, 180, 90, 0.2);
  font-size: 0.78rem;
  font-weight: 800;
}

.character-behavior-note strong {
  color: var(--ink);
}

.feature-dialog-content {
  position: relative;
}

.feature-dialog-heading {
  padding-right: 54px;
}

.feature-dialog-description {
  max-width: 620px;
  margin: 8px 0 0 !important;
  color: var(--slate);
  font-size: 0.82rem;
  font-weight: 800;
}

.dialog-icon-close {
  position: absolute;
  z-index: 2;
  top: 18px;
  right: 18px;
  display: grid;
  width: 40px;
  height: 40px;
  padding: 8px;
  border: 3px solid var(--ink);
  border-radius: 0;
  place-items: center;
  color: var(--ink);
  background: var(--paper);
  box-shadow: 3px 3px 0 var(--ink);
  cursor: pointer;
}

.dialog-icon-close:hover {
  color: var(--paper);
  background: var(--danger);
}

.dialog-icon-close:active {
  transform: translate(3px, 3px);
  box-shadow: 0 0 0 var(--ink);
}

.feature-dialog-actions {
  padding-top: 18px;
  border-top: 3px dashed var(--slate);
}

.dialog-content h2 {
  margin: 0 0 12px;
}

.dialog-content p {
  margin-top: 0;
}

.offline-reward-icon {
  margin: 18px 0;
  color: var(--gold);
  font-size: 4rem;
  line-height: 1;
  text-align: center;
  text-shadow: 5px 5px 0 var(--ink);
}

.reward-line {
  padding: 12px;
  border: 3px solid var(--ink);
  background: var(--gold);
  font-size: 1.05rem;
  text-align: center;
}

.dialog-note,
.dialog-status {
  color: var(--slate);
  font-size: 0.82rem;
}

.dialog-status {
  min-height: 24px;
  margin: 10px 0 0;
  font-weight: 900;
}

.dialog-status.is-error {
  color: var(--danger);
}

.dialog-status.is-success {
  color: var(--moss);
}

.field-label {
  display: block;
  margin-bottom: 6px;
  font-weight: 900;
}

.save-code-field {
  display: block;
  width: 100%;
  resize: vertical;
  padding: 12px;
  border: 3px solid var(--ink);
  border-radius: 0;
  color: var(--cream);
  background: var(--cave);
  font-family: var(--font-pixel);
  font-size: 0.56rem;
  line-height: 1.7;
}

.dialog-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 18px;
}

.dialog-close:only-child {
  width: 100%;
}

.confirm-row {
  align-items: flex-start;
  justify-content: flex-start;
  background: #f5dfb1;
}

body.reduce-motion *,
body.reduce-motion *::before,
body.reduce-motion *::after {
  scroll-behavior: auto !important;
  animation-duration: 0.001ms !important;
  animation-iteration-count: 1 !important;
  transition-duration: 0.001ms !important;
}

@media (max-width: 920px) {
  .main-grid {
    grid-template-columns: 1fr;
  }

  .achievement-grid,
  .mineral-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .storage-details {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .save-actions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  :root {
    --panel-shadow: 5px 5px 0 var(--ink);
  }

  .start-overlay {
    padding: 8px;
  }

  .start-hero {
    min-height: calc(100svh - 16px);
    border-width: 3px;
    box-shadow: 6px 6px 0 #0d141a;
  }

  .start-hero-content {
    padding: 20px 12px 18px;
  }

  .start-brand {
    width: calc(100% - 8px);
    padding: 16px 10px;
    border-width: 2px;
  }

  .game-title {
    font-size: clamp(2rem, 13vw, 3.2rem);
  }

  .start-subtitle {
    font-size: 0.88rem;
  }

  .start-action-panel {
    width: calc(100% - 8px);
    padding: 12px;
  }

  .start-dialog-actions {
    grid-template-columns: 1fr;
  }

  .start-storage-content {
    padding: 22px 16px;
  }

  .game-shell {
    width: min(100% - 20px, 1180px);
    padding-top: 10px;
  }

  .topbar {
    align-items: stretch;
    grid-template-areas:
      "actions"
      "stats";
    grid-template-columns: 1fr;
    gap: 6px;
    margin-bottom: 10px;
    padding: 7px 8px;
  }

  .topbar-stat {
    padding: 0 6px;
  }

  .topbar-stat .stat-label {
    margin-bottom: 0;
    font-size: 0.62rem;
    white-space: nowrap;
  }

  .topbar-stat .stat-value {
    font-size: clamp(0.82rem, 4.5vw, 1rem);
    line-height: 1.25;
  }

  .topbar-actions {
    width: 100%;
    justify-content: space-between;
    gap: 6px;
  }

  .save-indicator {
    min-width: 0;
    flex: 1 1 auto;
    font-size: 0.66rem;
    line-height: 1.3;
    text-align: left;
  }

  .save-indicator::before {
    width: 8px;
    height: 8px;
    margin-right: 5px;
  }

  .utility-menu {
    flex: 0 0 auto;
    gap: 5px;
  }

  .utility-menu-button {
    width: 38px;
    height: 38px;
    padding: 6px;
    box-shadow: 2px 2px 0 var(--ink);
  }

  .utility-menu-badge {
    top: -6px;
    right: -5px;
    min-width: 20px;
    height: 20px;
  }

  .utility-menu-badge--fraction {
    right: -8px;
    min-width: 28px;
  }

  .utility-menu-button::after {
    display: none;
  }

  .mine-section {
    padding: 14px;
  }

  .shop-section {
    padding: 12px;
  }

  .mine-heading-actions {
    align-items: flex-end;
    flex-direction: column-reverse;
    gap: 5px;
  }

  .character-menu-button {
    min-height: 34px;
    padding: 5px 7px;
    font-size: 0.66rem;
  }

  .mine-stage {
    min-height: 340px;
  }

  .miner-actor {
    bottom: 22px;
    width: clamp(78px, 25vw, 96px);
  }

  .ore-progression-bonus {
    gap: 5px 10px;
    font-size: 0.69rem;
  }

  .ore-stage-marker {
    top: 12px;
    left: 12px;
    min-width: 92px;
    padding: 6px 8px;
  }

  .purchase-toolbar {
    align-items: stretch;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 10px;
    padding: 8px 10px;
  }

  .purchase-mode-buttons {
    width: 100%;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 5px;
  }

  .purchase-mode-button {
    min-height: 34px;
    padding: 5px 6px;
  }

  .upgrade-list {
    gap: 8px;
  }

  .upgrade-card {
    grid-template-columns: 34px minmax(0, 1fr) clamp(82px, 25vw, 92px);
    gap: 8px;
    padding: 8px;
  }

  .upgrade-icon {
    width: 34px;
    height: 34px;
    font-size: 0.62rem;
    box-shadow: 2px 2px 0 var(--ink);
  }

  .upgrade-name-row {
    gap: 5px;
  }

  .upgrade-name {
    font-size: 0.9rem;
    line-height: 1.35;
  }

  .upgrade-level {
    font-size: 0.48rem;
  }

  .upgrade-description {
    overflow: hidden;
    font-size: 0.68rem;
    line-height: 1.4;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .upgrade-effect {
    font-size: 0.68rem;
    line-height: 1.35;
    white-space: nowrap;
  }

  .upgrade-buy {
    grid-column: auto;
    align-self: stretch;
    width: 100%;
    min-width: 0;
    min-height: 48px;
    padding: 5px 6px;
    font-size: 0.7rem;
    box-shadow: 3px 3px 0 var(--ink);
  }

  .upgrade-buy-cost {
    overflow: hidden;
    font-size: 0.46rem;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .achievement-grid,
  .mineral-grid,
  .storage-details,
  .save-actions {
    grid-template-columns: 1fr;
  }

  .character-customizer {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .character-dialog-preview {
    min-height: 250px;
  }

  .character-dialog-preview canvas {
    width: min(100%, 190px);
  }

  .achievement-card {
    min-height: 118px;
  }

  .game-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .dialog-actions .pixel-button {
    width: 100%;
  }

  .feature-dialog-content {
    padding: 20px 16px;
  }

  .feature-dialog-heading {
    align-items: flex-start;
    flex-direction: column;
    padding-right: 44px;
  }

  .dialog-icon-close {
    top: 12px;
    right: 12px;
    width: 38px;
    height: 38px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

@media (forced-colors: active) {
  .pixel-panel,
  .pixel-button,
  .purchase-mode-button,
  .utility-menu-button,
  .dialog-icon-close,
  .mine-stage,
  .upgrade-card,
  .mineral-card,
  .ore-progression-bonus,
  .mineral-bonus,
  .achievement-card,
  .storage-details > div {
    border-color: CanvasText;
  }

  .mine-button canvas {
    filter: none;
  }
}