/* Tank Assault - one welded machine: brass nameplate, sunken sand tray, commander console.
   No floating corner buttons, no SaaS card stack, no dead white slab. */

:root {
  --brass: #c9a34c;
  --brass-light: #efd694;
  --brass-dark: #8a6a26;
  --brass-deep: #5f4718;
  --metal: #585349;
  --metal-dark: #332f28;
  --metal-light: #7a7466;
  --sand: #cbb187;
  --paper: #f4e9d0;
  --paper-shade: #ddcdae;
  --ink: #3a3229;
  --ink-soft: #6b6053;
  --red: #bf4438;
  --red-deep: #8b2d24;
  --olive: #6f8a4e;
  --sky: #7fc4dd;
  --radius: 14px;
  --shadow-lift: 0 10px 26px rgba(28, 22, 14, 0.42);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  font-family: system-ui, -apple-system, "Segoe UI", "Noto Sans SC", "PingFang SC", sans-serif;
  color: var(--paper);
  background:
    radial-gradient(120% 90% at 50% 0%, #4b4438 0%, #2e2a23 55%, #201d18 100%);
  background-attachment: fixed;
  -webkit-text-size-adjust: 100%;
  overscroll-behavior: none;
}

.noscript-banner {
  padding: 16px;
  text-align: center;
  background: var(--red-deep);
  color: #fff;
}

#game-app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ----------------------------------------------------------- brass nameplate */

.nameplate {
  position: relative;
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  background: linear-gradient(180deg, var(--brass-light) 0%, var(--brass) 42%, var(--brass-dark) 100%);
  border-bottom: 3px solid var(--brass-deep);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.55), 0 6px 16px rgba(0, 0, 0, 0.35);
}

.nameplate::after {
  content: "";
  position: absolute;
  inset: auto 0 -3px 0;
  height: 3px;
  background: repeating-linear-gradient(90deg, var(--brass-light) 0 4px, var(--brass-deep) 4px 12px);
  opacity: 0.7;
}

.plate-title {
  flex: 1 1 auto;
  margin: 0;
  font-size: clamp(15px, 3.4vw, 22px);
  letter-spacing: 0.16em;
  font-weight: 800;
  color: #3f2f11;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.6), 0 -1px 0 rgba(0, 0, 0, 0.22);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.plate-tools {
  display: flex;
  align-items: center;
  gap: 8px;
}

.plate-btn {
  min-width: 34px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 9px;
  border: 1px solid rgba(60, 44, 16, 0.55);
  border-radius: 8px;
  background: linear-gradient(180deg, #f2dfaf 0%, #c9a34c 100%);
  color: #3f2f11;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.6), 0 2px 0 rgba(60, 44, 16, 0.5);
  text-decoration: none;
}

.plate-btn:active {
  transform: translateY(2px);
  box-shadow: inset 0 2px 4px rgba(60, 44, 16, 0.45);
}

.plate-btn.knob {
  border-radius: 50%;
  width: 34px;
  padding: 0;
}

.plate-btn.envelope {
  font-size: 16px;
}

/* ------------------------------------------------------------------ sandbox */

.sandbox {
  flex: 1 1 auto;
  display: flex;
  justify-content: center;
  padding: 14px 12px calc(14px + env(safe-area-inset-bottom));
}

.machine {
  width: 100%;
  max-width: 660px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* ---------------------------------------------------------- sunken sand tray */

.tray {
  position: relative;
  padding: 14px;
  border-radius: 18px 18px 6px 6px;
  background: linear-gradient(180deg, var(--metal-light) 0%, var(--metal) 45%, var(--metal-dark) 100%);
  box-shadow: var(--shadow-lift), inset 0 1px 0 rgba(255, 255, 255, 0.22);
}

/* rivets punched through the brass rim */
.tray::before,
.tray::after {
  content: "";
  position: absolute;
  left: 10px;
  right: 10px;
  height: 6px;
  background-image: radial-gradient(circle at 3px 3px, #f0dfae 0 1.6px, #8d7647 1.8px 3px, transparent 3.2px);
  background-size: 26px 6px;
  opacity: 0.85;
}

.tray::before {
  top: 5px;
}

.tray::after {
  bottom: 5px;
}

.tray-frame {
  position: relative;
  aspect-ratio: 1 / 1;
  border-radius: 8px;
  overflow: hidden;
  background: var(--sand);
  box-shadow: inset 0 10px 22px rgba(60, 44, 20, 0.55), inset 0 -6px 14px rgba(60, 44, 20, 0.35);
}

.field-canvas {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: none;
}

/* measurement ruler along the bottom edge of the tray */
.tray-ruler {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 12px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding: 0 2px;
  pointer-events: none;
  opacity: 0.75;
}

.tray-ruler .tick {
  width: 1px;
  height: 5px;
  background: rgba(58, 44, 20, 0.55);
}

.tray-ruler .tick:nth-child(4n + 1) {
  height: 10px;
}

/* ---------------------------------------------------------- telegraph tape */

/* A narrow strip sliding out from under the tray, between tray and console.
   Never overlaps the battlefield: it lives in normal flow, not inside the frame. */
.tape {
  width: calc(100% - 36px);
  margin: -4px auto 0;
  padding: 4px 10px 5px;
  border-radius: 0 0 4px 4px;
  background: linear-gradient(180deg, var(--paper) 0%, var(--paper-shade) 100%);
  box-shadow: 0 4px 10px rgba(30, 22, 10, 0.4), inset 0 -2px 0 rgba(120, 96, 60, 0.25);
  pointer-events: none;
}

.tape-head {
  height: 6px;
  border-radius: 2px;
  background: repeating-linear-gradient(90deg, rgba(120, 96, 60, 0.45) 0 3px, transparent 3px 7px);
}

.tape-lines {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 2px;
  margin-top: 3px;
  max-height: 30px; /* latest two lines only; older ones scroll out of the strip */
  overflow: hidden;
}

.tape-line {
  font-size: 11px;
  line-height: 1.25;
  color: #4a3d28;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  animation: tape-in 0.24s ease-out;
}

@keyframes tape-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ------------------------------------------------------- commander console */

.console {
  position: relative;
  margin-top: -2px;
  padding: 12px 14px calc(12px + env(safe-area-inset-bottom));
  border-radius: 0 0 16px 16px;
  background: linear-gradient(180deg, var(--metal) 0%, var(--metal-dark) 100%);
  box-shadow: var(--shadow-lift), inset 0 1px 0 rgba(255, 255, 255, 0.14);
}

.console::before {
  content: "";
  position: absolute;
  top: 0;
  left: 14px;
  right: 14px;
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--brass) 0 8px, var(--brass-deep) 8px 14px);
  opacity: 0.8;
}

.readouts {
  display: flex;
  align-items: stretch;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.gauge {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 5px 9px;
  border-radius: 10px;
  background: rgba(22, 20, 16, 0.5);
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.5);
}

.gauge-dial {
  position: relative;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 32%, #f5e6c2 0%, #cdb98f 60%, #8e7c58 100%);
  box-shadow: inset 0 0 0 2px rgba(70, 56, 32, 0.6);
}

.gauge-needle {
  position: absolute;
  left: 50%;
  bottom: 50%;
  width: 2px;
  height: 12px;
  margin-left: -1px;
  background: linear-gradient(180deg, var(--red) 0%, #6d1f16 100%);
  transform-origin: 50% 100%;
  transform: rotate(-90deg);
  transition: transform 0.28s cubic-bezier(0.3, 1, 0.5, 1);
  border-radius: 1px;
}

.gauge-meta {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.gauge-label,
.stat-label {
  font-size: 10px;
  letter-spacing: 0.08em;
  color: #b9ac91;
}

.gauge-value,
.stat-value {
  font-size: 15px;
  font-weight: 700;
  color: var(--brass-light);
  font-variant-numeric: tabular-nums;
}

.stat {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 56px;
  padding: 5px 9px;
  border-radius: 10px;
  background: rgba(22, 20, 16, 0.5);
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.5);
}

.stat-base .stat-value {
  color: #ffb9a5;
}

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

/* ------------------------------------------------------------------ dpad */

.dpad {
  position: relative;
  width: 108px;
  height: 108px;
  flex: 0 0 auto;
}

.pad {
  position: absolute;
  width: 36px;
  height: 36px;
  border: none;
  border-radius: 9px;
  background: linear-gradient(180deg, #8c867a 0%, #5d584e 60%, #403c34 100%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.28), 0 3px 0 rgba(20, 18, 14, 0.65);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pad:active {
  transform: translateY(2px);
  box-shadow: inset 0 2px 5px rgba(0, 0, 0, 0.55);
}

.pad-glyph {
  width: 0;
  height: 0;
  border: 6px solid transparent;
}

.pad-up {
  left: 36px;
  top: 0;
}
.pad-down {
  left: 36px;
  bottom: 0;
}
.pad-left {
  left: 0;
  top: 36px;
}
.pad-right {
  right: 0;
  top: 36px;
}

.pad-up .pad-glyph {
  border-bottom-color: var(--brass-light);
  margin-bottom: 3px;
}
.pad-down .pad-glyph {
  border-top-color: var(--brass-light);
  margin-top: 3px;
}
.pad-left .pad-glyph {
  border-right-color: var(--brass-light);
  margin-right: 3px;
}
.pad-right .pad-glyph {
  border-left-color: var(--brass-light);
  margin-left: 3px;
}

/* ------------------------------------------------------------------ lamps */

.lamps {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-items: center;
}

.lamp {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 10px;
  color: #9d927d;
}

.lamp-bulb {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #4b463d;
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.6);
}

.lamp.on {
  color: var(--brass-light);
}

.lamp.on .lamp-bulb {
  background: radial-gradient(circle at 40% 35%, #fff3c8 0%, #ffbe4d 55%, #b3641a 100%);
  box-shadow: 0 0 10px rgba(255, 186, 77, 0.75);
}

/* --------------------------------------------------------------- fire group */

.fire-group {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
}

.order-btn {
  min-width: 92px;
  padding: 8px 10px;
  border: 1px solid rgba(90, 72, 32, 0.7);
  border-radius: 10px;
  background: linear-gradient(180deg, #635c50 0%, #3c3830 100%);
  color: #cdbf9f;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 5px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.15), 0 3px 0 rgba(20, 18, 14, 0.6);
}

.order-btn:active {
  transform: translateY(2px);
}

.order-btn.ready {
  border-color: var(--brass-light);
  box-shadow: 0 0 14px rgba(255, 199, 92, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.order-name {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.order-charge {
  height: 6px;
  border-radius: 3px;
  background: rgba(18, 16, 12, 0.7);
  overflow: hidden;
}

.charge-fill {
  display: block;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #b3651c 0%, #ffcf6a 100%);
  transition: width 0.2s linear;
}

/* engraved key caps on the console so the shortcuts are discoverable at a glance */
.keycap {
  align-self: center;
  padding: 1px 5px;
  border-radius: 3px;
  background: rgba(14, 12, 9, 0.55);
  border: 1px solid rgba(255, 236, 200, 0.28);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.14);
  color: rgba(240, 228, 202, 0.85);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.4;
  white-space: nowrap;
  pointer-events: none;
}

/* touch-only devices have nothing to press; keep the caps on hybrid laptops */
@media (hover: none) and (pointer: coarse) {
  .keycap {
    display: none;
  }
}

.fire-btn {
  width: 72px;
  height: 72px;
  border: none;
  border-radius: 50%;
  background: radial-gradient(circle at 42% 34%, #ff8b74 0%, var(--red) 46%, var(--red-deep) 100%);
  box-shadow: 0 5px 0 #5d1d16, 0 10px 18px rgba(0, 0, 0, 0.45), inset 0 2px 4px rgba(255, 255, 255, 0.35);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-items: center;
  justify-content: center;
}

.fire-btn:active {
  transform: translateY(4px);
  box-shadow: 0 1px 0 #5d1d16, inset 0 3px 7px rgba(0, 0, 0, 0.45);
}

.fire-dot {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(255, 240, 220, 0.92);
  box-shadow: 0 0 12px rgba(255, 220, 180, 0.85);
}

/* ------------------------------------------------------------ overlay layer */

.overlay-layer {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  background: rgba(16, 13, 9, 0.72);
  backdrop-filter: blur(3px);
  overflow-y: auto;
}

.overlay-layer.hidden {
  display: none;
}

.overlay-body {
  width: 100%;
  max-width: 620px;
}

.panel {
  position: relative;
  padding: 18px;
  border-radius: 16px;
  background: linear-gradient(180deg, #2f2b23 0%, #211e19 100%);
  border: 1px solid rgba(201, 163, 76, 0.45);
  box-shadow: var(--shadow-lift), inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.panel::before {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  top: 8px;
  height: 3px;
  border-radius: 2px;
  background: repeating-linear-gradient(90deg, var(--brass) 0 10px, var(--brass-deep) 10px 18px);
  opacity: 0.5;
}

.panel-head {
  margin: 6px 0 14px;
}

.panel-title {
  margin: 0;
  font-size: clamp(17px, 4vw, 24px);
  letter-spacing: 0.1em;
  color: var(--brass-light);
}

.panel.win .panel-title {
  color: #ffd88a;
}

.panel.lose .panel-title {
  color: #ff9f8c;
}

.panel-sub {
  margin: 5px 0 0;
  font-size: 12px;
  color: #b3a68d;
}

.panel-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.brass-btn {
  padding: 9px 16px;
  border: 1px solid rgba(90, 72, 32, 0.8);
  border-radius: 10px;
  background: linear-gradient(180deg, #f2dfaf 0%, var(--brass) 55%, var(--brass-dark) 100%);
  color: #3f2f11;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.6), 0 3px 0 rgba(60, 44, 16, 0.55);
}

.brass-btn:active {
  transform: translateY(2px);
  box-shadow: inset 0 2px 5px rgba(60, 44, 16, 0.5);
}

.brass-btn.ghost {
  background: linear-gradient(180deg, #4b463d 0%, #2c2924 100%);
  color: var(--brass-light);
  border-color: rgba(201, 163, 76, 0.4);
}

/* -------------------------------------------------------------- mode select */

.mode-list {
  display: grid;
  gap: 10px;
}

.mode-card {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 13px 15px;
  text-align: left;
  border: 1px solid rgba(201, 163, 76, 0.35);
  border-radius: 12px;
  background: linear-gradient(135deg, #3b372e 0%, #26231d 100%);
  cursor: pointer;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.07);
}

.mode-card:active {
  transform: translateY(2px);
}

.mode-name {
  font-size: 16px;
  font-weight: 800;
  color: var(--brass-light);
  letter-spacing: 0.05em;
}

.mode-sub {
  font-size: 12px;
  color: #a99d86;
}

.mode-campaign .mode-name {
  color: #ffd88a;
}
.mode-siege .mode-name {
  color: #ff9f8c;
}
.mode-puzzle .mode-name {
  color: #9fd8c4;
}

.record-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 7px;
  margin-top: 14px;
}

.record {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 7px 8px;
  border-radius: 9px;
  background: rgba(18, 16, 12, 0.55);
}

.record-label {
  font-size: 10px;
  color: #a1957e;
}

.record-value {
  font-size: 14px;
  font-weight: 700;
  color: var(--brass-light);
  font-variant-numeric: tabular-nums;
}

/* ------------------------------------------------------------------ briefing */

.help-body {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.help-para {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: #d8cdb6;
}

/* ------------------------------------------------------------ keyboard table */

.keys-card {
  margin-top: 12px;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid rgba(200, 168, 92, 0.28);
  background: rgba(18, 16, 13, 0.55);
}

.keys-title {
  margin: 0 0 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--brass-light);
}

.keys-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 4px 16px;
}

.keys-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  font-size: 12px;
  line-height: 1.7;
  border-bottom: 1px dashed rgba(200, 168, 92, 0.2);
}

.keys-label {
  color: #d8cdb6;
}

.keys-value {
  font-weight: 700;
  color: var(--brass-light);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

/* ------------------------------------------------------------- stage picker */

.chapter {
  margin-bottom: 12px;
}

.chapter-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.chapter-name {
  margin: 0;
  font-size: 14px;
  font-weight: 700;
  color: #e7d7ae;
  letter-spacing: 0.08em;
}

.medal {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: radial-gradient(circle at 38% 32%, #fff2c0 0%, var(--brass) 55%, var(--brass-deep) 100%);
  box-shadow: 0 0 8px rgba(255, 200, 100, 0.5);
}

.stage-row,
.puzzle-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.puzzle-grid {
  grid-template-columns: repeat(4, 1fr);
}

.stage-btn,
.puzzle-btn {
  position: relative;
  padding: 10px 6px 8px;
  border: 1px solid rgba(201, 163, 76, 0.35);
  border-radius: 11px;
  background: linear-gradient(180deg, #403b31 0%, #27241e 100%);
  color: #e7d7ae;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.stage-btn:active:not(.locked),
.puzzle-btn:active:not(.locked) {
  transform: translateY(2px);
}

.stage-btn.locked,
.puzzle-btn.locked {
  opacity: 0.42;
  cursor: not-allowed;
}

.stage-btn.done,
.puzzle-btn.done {
  border-color: rgba(255, 208, 116, 0.7);
}

.stage-num,
.puzzle-num {
  font-size: 15px;
  font-weight: 800;
  color: var(--brass-light);
}

.stage-stars {
  display: flex;
  gap: 3px;
}

.pip {
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: #4a4437;
  transform: rotate(45deg);
}

.pip.on {
  background: linear-gradient(180deg, #ffe6a2 0%, #e0a534 100%);
  box-shadow: 0 0 7px rgba(255, 200, 100, 0.65);
}

.stage-tag {
  position: absolute;
  top: -5px;
  right: -4px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: radial-gradient(circle at 40% 35%, #ff9f8c 0%, var(--red-deep) 100%);
  box-shadow: 0 0 8px rgba(200, 70, 50, 0.6);
}

.puzzle-hint {
  font-size: 11px;
  color: #a1957e;
}

/* --------------------------------------------------------------- after action */

.star-row {
  display: flex;
  gap: 10px;
  margin-bottom: 12px;
}

.stamp {
  flex: 1 1 0;
  padding: 10px 6px;
  border: 2px dashed rgba(201, 163, 76, 0.45);
  border-radius: 10px;
  text-align: center;
  opacity: 0.45;
}

.stamp.on {
  opacity: 1;
  border-style: solid;
  border-color: var(--brass);
  background: rgba(255, 208, 116, 0.12);
  animation: stamp-in 0.34s cubic-bezier(0.3, 1, 0.5, 1) backwards;
  animation-delay: var(--delay, 0ms);
}

.stamp-label {
  font-size: 11px;
  color: #e7d7ae;
}

@keyframes stamp-in {
  from {
    transform: scale(1.5) rotate(-8deg);
    opacity: 0;
  }
  to {
    transform: scale(1) rotate(0deg);
    opacity: 1;
  }
}

.tape-report {
  padding: 10px 12px;
  border-radius: 6px;
  background: linear-gradient(180deg, var(--paper) 0%, var(--paper-shade) 100%);
  color: #4a3d28;
  box-shadow: inset 0 2px 6px rgba(80, 60, 30, 0.25);
}

.tape-report .tape-line {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
  animation: none;
}

.tape-report .tape-label {
  color: #6f5f43;
}

.tape-report .tape-value {
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

/* ---------------------------------------------------------------- responsive */

@media (max-width: 720px) {
  .sandbox {
    padding: 10px 8px max(68px, calc(16px + env(safe-area-inset-bottom)));
  }

  .tray {
    padding: 10px;
    border-radius: 14px 14px 4px 4px;
  }

  .tape {
    width: calc(100% - 24px);
  }

  .readouts {
    gap: 6px;
  }

  .stat {
    min-width: 48px;
    padding: 4px 7px;
  }

  .gauge {
    padding: 4px 7px;
  }

  .dpad {
    width: 96px;
    height: 96px;
  }

  .pad {
    width: 32px;
    height: 32px;
  }

  .pad-up {
    left: 32px;
  }
  .pad-down {
    left: 32px;
  }
  .pad-left,
  .pad-right {
    top: 32px;
  }

  .fire-btn {
    width: 62px;
    height: 62px;
  }

  .order-btn {
    min-width: 78px;
    padding: 7px 8px;
  }

  .lamps {
    gap: 2px;
  }

  .lamp-label {
    display: none;
  }

  .record-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 380px) {
  .stage-row,
  .puzzle-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .controls {
    gap: 6px;
  }
}

/* -------------------------------------------------------------- reduced motion */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-delay: 0ms !important;
    transition-duration: 0.001ms !important;
  }

  .stamp.on {
    opacity: 1;
    transform: none;
  }
}