styles.css

:root {
  --bg: #0b0c10;
  --bg-gradient-1: #0f2027;
  --bg-gradient-2: #204323;
  --bg-gradient-3: #2c6444;
  --card-bg: rgba(255, 255, 255, 0.08);
  --card-border: rgba(255, 255, 255, 0.18);
  --text: #e6e6e6;
  --muted: #9aa0a6;
  --accent: #78ff81;
  --accent-2: #a5ff64;
  --success: #34c759;
  --danger: #898989;
  --warning: #ffd60a;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-1: inset 0 10px 30px rgba(0, 0, 0, 0.35);
  --shadow-2: inset 0 20px 60px rgba(0, 0, 0, 0.45);
  --blur: 80px;
  --grid-size: 20;
  --ui-reserve: 380px;
  --arena-min: 260px;

  --arena-wall-0: #000000;
  --arena-wall-1: #48be99;
  --arena-wall-2: #00ffdd;
  --arena-floor: #071217;
  --arena-voxel: #1a3238;
  --arena-voxel-opacity: 0.18;
  --arena-voxel-line: color-mix(in oklab, var(--arena-wall-2) 30%, transparent);
  --arena-voxel-line-strong: color-mix(
    in oklab,
    var(--arena-wall-2) 50%,
    transparent
  );
}

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

body {
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial,
    "SF Pro Text", "SF Pro Display", sans-serif;
  color: var(--text);
  background: url(/AdobeStock_536515122.jpeg);
  background-size: cover;
  background-attachment: fixed;
  min-height: 100vh;
  overflow-x: hidden;
  padding: clamp(10px, 2.2vh, 18px) 0;
}

@supports (height: 100svh) {
  body {
    min-height: 100svh;
  }
}

html::before {
  content: "";
  position: fixed;
  inset: 0;
  background: linear-gradient(rgba(0, 0, 0, 0.646), rgb(0, 0, 0));
  backdrop-filter: blur(5px);
  z-index: -1;
}

#results-container {
  position: relative;
  margin: 0 auto;
  width: min(1200px, 92vw);
  display: grid;
  grid-template-columns: repeat(2, minmax(260px, 1fr));
  gap: clamp(10px, 2vw, 16px);
}

.information {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  backdrop-filter: blur(var(--blur));
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-1);
  padding: clamp(14px, 2.2vw, 20px);
}

.information h2 {
  margin: 0 0 6px 0;
  font-weight: 700;
  color: #fff;
}
.information p {
  margin: 6px 0 0 0;
  font-size: clamp(14px, 1.8vw, 18px);
  color: var(--muted);
}

#actions-container {
  position: relative;
  margin: 0 auto;
  container-type: size;
  width: min(
    92vw,
    92vmin,
    1320px,
    max(var(--arena-min), calc(100vh - var(--ui-reserve)))
  );
  height: min(
    92vw,
    92vmin,
    1320px,
    max(var(--arena-min), calc(100vh - var(--ui-reserve)))
  );
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-top: 2px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-2);
  backdrop-filter: blur(var(--blur));
  overflow: hidden;
  transition:
    transform 260ms ease,
    background-color 260ms ease,
    box-shadow 260ms ease,
    filter 260ms ease;
  transform-style: preserve-3d;
}

@supports (height: 100svh) {
  #actions-container {
    width: min(
      92vw,
      92vmin,
      92svh,
      1320px,
      max(var(--arena-min), calc(100svh - var(--ui-reserve)))
    );
    height: min(
      92vw,
      92vmin,
      92svh,
      1320px,
      max(var(--arena-min), calc(100svh - var(--ui-reserve)))
    );
  }
}

@media (min-width: 1100px) {
  #actions-container {
    width: min(96vw, 1520px);
    height: clamp(
      var(--arena-min),
      calc(100vh - var(--ui-reserve) - 10vw),
      760px
    );
  }

  body #actions-container.is-3d .arena-cube {
    --cube-depth: clamp(160px, 38vh, 380px);
    --room-angle: 52deg;
    --room-depth: calc(var(--cube-depth) * -0.32);
    --room-scale: 1.01;
    --room-y-offset: 1.2%;
    transform-origin: center 56%;
  }
}

@supports (height: 100svh) {
  @media (min-width: 1100px) {
    #actions-container {
      height: clamp(
        var(--arena-min),
        calc(100svh - var(--ui-reserve) - 10vw),
        760px
      );
    }

    body #actions-container.is-3d .arena-cube {
      --cube-depth: clamp(160px, 38svh, 380px);
    }
  }
}

.three-canvas {
  position: absolute;
  inset: 0;
  top: 0px;
  width: 100%;
  height: 115%;
  display: block;
  z-index: 2;
}

#actions-container.is-webgl .cube-scene {
  display: none;
}

.cube-scene {
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
  pointer-events: none;
}

.arena-cube {
  --cube-depth: clamp(220px, 34vmin, 460px);
  --voxel-depth: calc(var(--cube-depth) / var(--grid-size));
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
}

@supports (width: 1cqw) {
  .arena-cube {
    --cube-depth: clamp(160px, 70cqh, 460px);
  }
}

.cube-face {
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.03);
  box-shadow: inset 0 0 24px rgba(255, 255, 255, 0.04);
  transition:
    transform 260ms ease,
    opacity 260ms ease;
}

.cube-floor {
  inset: 0;
  pointer-events: auto;
  display: grid;
  grid-template-columns: repeat(var(--grid-size), 1fr);
  grid-template-rows: repeat(var(--grid-size), 1fr);
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: calc(100% / var(--grid-size)) calc(100% / var(--grid-size));
}

.cube-back {
  inset: 0;
  opacity: 0;
}

.cube-left,
.cube-right {
  top: 0;
  bottom: 0;
  width: var(--cube-depth);
  opacity: 0;
}

.cube-left {
  left: 0;
}

.cube-right {
  right: 0;
}

.cube-top {
  left: 0;
  right: 0;
  height: var(--cube-depth);
  top: 0;
  opacity: 0;
}

#actions-container.is-3d .arena-cube {
  --room-angle: 58deg;
  --room-depth: calc(var(--cube-depth) * -0.4);
  --room-scale: 1.02;
  --room-y-offset: 2%;
  transform-origin: center 54%;
  transform: translateY(var(--room-y-offset)) translateZ(var(--room-depth))
    rotateX(var(--room-angle)) scale(var(--room-scale));
}

.grid-cell {
  --cell-height: var(--voxel-depth);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: visible;
  transition:
    transform 260ms ease,
    background-color 260ms ease,
    box-shadow 260ms ease,
    filter 260ms ease;
  transform-style: preserve-3d;
}

.grid-voxel {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform 220ms ease;
}

.voxel-face {
  position: absolute;
  box-sizing: border-box;
  pointer-events: none;
  backface-visibility: visible;
}

.voxel-top {
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: auto;
  transform-style: preserve-3d;
  overflow: visible;
}

.voxel-bottom {
  inset: 0;
}

.voxel-left,
.voxel-right {
  top: 0;
  bottom: 0;
  width: var(--cell-height);
}

.voxel-left {
  left: 0;
}

.voxel-right {
  right: 0;
}

.voxel-front,
.voxel-back {
  left: 0;
  right: 0;
  height: var(--cell-height);
}

.voxel-front {
  bottom: 0;
}

.voxel-back {
  top: 0;
}

#actions-container.is-3d .cube-floor {
  transform: none;
  background-image:
    linear-gradient(to right, var(--arena-voxel-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--arena-voxel-line) 1px, transparent 1px);
  background-size: calc(100% / var(--grid-size)) calc(100% / var(--grid-size));
  background-position: center;
  background-repeat: repeat;
  border-radius: inherit;
}

#actions-container.is-3d .cube-back {
  opacity: 1;
  transform-origin: center top;
  transform: rotateX(90deg);
  background: linear-gradient(
    to top,
    var(--arena-wall-0),
    var(--arena-wall-1) 55%,
    var(--arena-wall-2)
  );
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: inherit;
}

#actions-container.is-3d .cube-left {
  opacity: 1;
  width: var(--cube-depth);
  top: 0;
  bottom: 0;
  transform-origin: left center;
  transform: rotateY(-90deg);
  background-image:
    linear-gradient(to right, var(--arena-voxel-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--arena-voxel-line) 1px, transparent 1px),
    linear-gradient(
      to top,
      var(--arena-wall-0),
      var(--arena-wall-1) 55%,
      var(--arena-wall-2)
    );
  background-size:
    calc(100% / var(--grid-size)) calc(100% / var(--grid-size)),
    calc(100% / var(--grid-size)) calc(100% / var(--grid-size)),
    100% 100%;
  background-position: center;
  background-repeat: repeat;
}

#actions-container.is-3d .cube-right {
  opacity: 1;
  width: var(--cube-depth);
  top: 0;
  bottom: 0;
  transform-origin: right center;
  transform: rotateY(90deg);
  background-image:
    linear-gradient(to right, var(--arena-voxel-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--arena-voxel-line) 1px, transparent 1px),
    linear-gradient(
      to top,
      var(--arena-wall-0),
      var(--arena-wall-1) 55%,
      var(--arena-wall-2)
    );
  background-size:
    calc(100% / var(--grid-size)) calc(100% / var(--grid-size)),
    calc(100% / var(--grid-size)) calc(100% / var(--grid-size)),
    100% 100%;
  background-position: center;
  background-repeat: repeat;
}

#actions-container.is-3d .cube-top {
  opacity: 1;
  left: 0;
  right: 0;
  top: 0;
  height: var(--cube-depth);
  transform-origin: center top;
  transform: rotateX(-90deg);
  background-image:
    linear-gradient(to right, var(--arena-voxel-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--arena-voxel-line) 1px, transparent 1px),
    linear-gradient(
      to top,
      color-mix(in oklab, var(--arena-wall-0) 95%, transparent),
      color-mix(in oklab, var(--arena-wall-1) 22%, transparent) 60%,
      color-mix(in oklab, var(--arena-wall-2) 14%, transparent)
    );
  background-size:
    calc(100% / var(--grid-size)) calc(100% / var(--grid-size)),
    calc(100% / var(--grid-size)) calc(100% / var(--grid-size)),
    100% 100%;
  background-position: center;
  background-repeat: repeat;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

#actions-container.is-3d .grid-voxel {
  transform: none;
}

#actions-container.is-3d .voxel-face {
  background: transparent;
  border: none;
}

#actions-container.is-3d .voxel-top {
  transform: none;
}

#actions-container.is-3d .voxel-bottom,
#actions-container.is-3d .voxel-left,
#actions-container.is-3d .voxel-right,
#actions-container.is-3d .voxel-front,
#actions-container.is-3d .voxel-back {
  display: none;
}

.blue-dot {
  position: absolute;
  left: 0;
  top: 0;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transform: translate3d(0, 0, 0);
  transform-style: preserve-3d;
  will-change: transform;
}

.blue-dot .dot-visual {
  width: 100%;
  height: 100%;
  background: radial-gradient(
    circle at 35% 35%,
    #bfe3ff 0%,
    #78e2ff 60%,
    #64d2ff 100%
  );
  border-radius: 50%;
  box-shadow:
    0 6px 18px rgba(100, 255, 146, 0.4),
    0 2px 8px rgba(100, 255, 123, 0.28) inset,
    0 0 0 1px rgba(255, 255, 255, 0.12) inset;
  animation: dotFadeIn 220ms ease-out;
  transform-style: preserve-3d;
  pointer-events: none;
}

.blue-dot.is-moving .dot-visual {
  filter: none;
}

#actions-container.is-3d .blue-dot.is-moving .dot-visual {
  filter: blur(0.4px) saturate(1.05);
}

.blue-dot.is-moving .dot-visual::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: max(24px, var(--trail-length, 24px));
  height: 85%;
  transform-origin: 100% 50%;
  transform: translate(-50%, -50%) rotate(var(--trail-angle, 0deg));
  border-radius: 999px;
  background: linear-gradient(
    to left,
    color-mix(in oklab, var(--dot-trail-color, #78e2ff) 65%, transparent),
    transparent 70%
  );
  filter: blur(7px);
  opacity: 0.9;
  mix-blend-mode: screen;
  pointer-events: none;
}

#actions-container:not(.is-3d) .blue-dot.is-moving .dot-visual::after {
  display: none;
}

#actions-container.is-3d .blue-dot.dot-3d {
  overflow: visible;
}

#actions-container.is-3d .blue-dot.dot-3d .dot-visual {
  position: relative;
  overflow: visible;
  transform-style: preserve-3d;
  border-radius: 50%;
  background:
    radial-gradient(
      circle at 30% 24%,
      rgba(255, 255, 255, 0.95),
      rgba(255, 255, 255, 0.2) 28%,
      rgba(255, 255, 255, 0) 45%
    ),
    radial-gradient(
      circle at 62% 74%,
      rgba(0, 0, 0, 0) 28%,
      rgba(0, 0, 0, 0.34) 100%
    ),
    radial-gradient(circle at 36% 34%, #c8f2ff 0%, #79e8ff 58%, #3bc6ff 100%);
  transform: translate3d(0, 0, var(--dot-elevation, 28px))
    rotateX(var(--dot-tilt-x, -6deg)) rotateY(var(--dot-tilt-y, 8deg))
    scale(var(--dot-depth-scale, 1));
  animation: dotHoverFadeIn 220ms ease-out;
  box-shadow:
    0 10px 22px rgba(100, 255, 146, 0.42),
    0 2px 8px rgba(100, 255, 123, 0.28) inset,
    0 0 0 1px rgba(255, 255, 255, 0.12) inset,
    0 var(--dot-shadow-offset, 16px) var(--dot-shadow-blur, 30px)
      rgba(0, 0, 0, 0.45);
}

#actions-container.is-3d .blue-dot.dot-3d .dot-visual::before,
#actions-container.is-3d .blue-dot.dot-3d .dot-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  pointer-events: none;
}

#actions-container.is-3d .blue-dot.dot-3d .dot-visual::before {
  background: radial-gradient(
    circle at 30% 24%,
    rgba(255, 255, 255, 0.9) 0%,
    rgba(255, 255, 255, 0.45) 18%,
    rgba(255, 255, 255, 0) 56%
  );
  mix-blend-mode: screen;
}

#actions-container.is-3d .blue-dot.dot-3d .dot-visual::after {
  width: 100%;
  height: 100%;
  inset: auto;
  left: 0;
  top: 0;
  transform: translateZ(calc(var(--dot-elevation, 28px) * -1)) scale(0.96);
  background: radial-gradient(
    circle,
    rgba(0, 0, 0, 0.55) 0%,
    rgba(0, 0, 0, 0.26) 42%,
    rgba(0, 0, 0, 0) 78%
  );
  filter: blur(1.2px);
  opacity: 0.9;
}
.blue-dot.square {
  border-radius: 0;
}
.blue-dot.triangle {
  background: transparent;
}
.blue-dot.diamond {
  border-radius: 0;
}

.blue-dot.square .dot-visual {
  border-radius: 8px;
}

.blue-dot.triangle .dot-visual {
  width: 0;
  height: 0;
  border-left: 10px solid transparent;
  border-right: 10px solid transparent;
  border-bottom: 20px solid var(--accent);
  box-shadow: none;
  background: transparent;
  border-radius: 0;
}

.blue-dot.diamond .dot-visual {
  border-radius: 8px;
  transform: rotate(45deg);
}

@keyframes dotFadeIn {
  from {
    opacity: 0;
    transform: scale(0.7);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes dotHoverFadeIn {
  from {
    opacity: 0;
    transform: translate3d(0, 0, var(--dot-elevation, 28px))
      rotateX(var(--dot-tilt-x, -6deg)) rotateY(var(--dot-tilt-y, 8deg))
      scale(calc(var(--dot-depth-scale, 1) * 0.72));
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, var(--dot-elevation, 28px))
      rotateX(var(--dot-tilt-x, -6deg)) rotateY(var(--dot-tilt-y, 8deg))
      scale(var(--dot-depth-scale, 1));
  }
}

#controls-container {
  position: relative;
  margin: 0 auto;
  width: min(1200px, 94vw);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-1);
  backdrop-filter: blur(var(--blur));
  padding: clamp(12px, 2vw, 18px);
}
#controls-container h3 {
  margin: 0 0 10px 0;
  font-weight: 700;
}

.controls-grid {
  display: grid;
  gap: clamp(10px, 2vw, 16px);
}
.controls-row.primary {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: clamp(10px, 2vw, 16px);
  align-items: center;
}
.controls-row.secondary {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(10px, 2vw, 16px);
}

.group {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: clamp(10px, 1.8vw, 14px);
}
.group label {
  font-size: 13px;
  color: var(--muted);
  display: block;
  margin-bottom: 6px;
}

.group.start-stop {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.group.timer {
  display: grid;
  grid-template-rows: auto 1fr;
  align-items: center;
  justify-items: center;
  justify-self: center;
  width: max-content;
}
.timer-display-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: min(300px, 100%);
  max-width: 100%;
}
#timer-display {
  font-weight: 800;
  color: var(--accent-2);
  font-size: clamp(28px, 4vw, 44px);
}

option {
  color: black;
}

.group.race select {
  width: 100%;
  padding: 10px 12px;
  font-size: 14px;
  color: var(--text);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
}

.group.sliders {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
.control-group {
  display: grid;
  gap: 6px;
}

input[type="range"] {
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  outline: none;
}
input[type="range"]::-webkit-slider-thumb {
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(0, 0, 0, 0.08);
}

input[type="color"] {
  width: 44px;
  height: 32px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--card-border);
  background: var(--card-bg);
  box-shadow: var(--shadow-1);
}
select {
  width: 100%;
  padding: 10px 12px;
  font-size: 14px;
  color: var(--text);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  backdrop-filter: blur(var(--blur));
}

.control-btn {
  width: 100%;
  padding: 12px 16px;
  font-weight: 700;
  border-radius: var(--radius-sm);
  border: 1px solid var(--card-border);
  color: #fff;
  background: linear-gradient(135deg, var(--accent), #00843b);
  box-shadow: var(--shadow-1);
  cursor: pointer;
  transition:
    transform 120ms ease,
    filter 120ms ease;
}
.control-btn:hover:not(:disabled) {
  transform: translateY(-1px);
  filter: brightness(1.05);
}
.control-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}
#stop-btn {
  background: linear-gradient(135deg, var(--danger), #2d2d2d);
}

.pulse {
  animation: pulseTimer 900ms ease-in-out infinite;
}
@keyframes pulseTimer {
  0% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.08);
    opacity: 0.85;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

.overlay {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(10, 10, 10, 0.75);
  backdrop-filter: blur(10px);
  z-index: 2000;
}
.overlay.hidden {
  display: none;
}
.report-card {
  width: min(800px, 92vw);
  background: linear-gradient(
    135deg,
    rgba(100, 150, 255, 0.14),
    rgba(150, 100, 255, 0.14)
  );
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-2);
  backdrop-filter: blur(18px);
  padding: clamp(16px, 3.2vw, 28px);
  max-height: 92vh;
  overflow: auto;
}

@supports (height: 100svh) {
  .report-card {
    max-height: 92svh;
  }
}
.report-card h2 {
  margin: 0 0 12px 0;
  text-align: center;
}
.grade-badge {
  display: inline-block;
  padding: 8px 16px;
  background: linear-gradient(135deg, #ffd700, #ffe66e);
  color: #333;
  font-weight: 800;
  border-radius: 12px;
  box-shadow: 0 6px 18px rgba(255, 215, 0, 0.35);
}
.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin: 18px 0;
}
.stat-item {
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  padding: 14px;
}
.stat-label {
  font-size: 13px;
  color: var(--muted);
}
.stat-value {
  font-size: 24px;
  font-weight: 800;
  color: #fff;
}
.recommendations {
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  padding: 16px;
}
.recommendations h3 {
  margin: 0 0 8px 0;
}
.recommendations ul {
  margin: 8px 0 0 18px;
}
.recommendations li {
  margin: 6px 0;
}
#close-report-btn {
  margin-top: 10px;
}

@media (max-width: 900px) {
  :root {
    --ui-reserve: 470px;
    --arena-min: 220px;
  }
  #results-container {
    grid-template-columns: 1fr;
  }
  .controls-row.primary {
    grid-template-columns: 1fr;
  }
  .controls-row.secondary {
    grid-template-columns: 1fr;
  }
  .group.timer {
    width: 100%;
    justify-self: stretch;
  }
  .timer-display-wrap {
    width: 100%;
  }
  #timer-display {
    width: 100%;
    text-align: center;
  }
}
@media (max-width: 560px) {
  :root {
    --ui-reserve: 520px;
    --arena-min: 190px;
  }
  #controls-container {
    width: 94vw;
  }
  .group.start-stop {
    grid-template-columns: 1fr;
  }
  .stat-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-height: 740px) {
  :root {
    --ui-reserve: 520px;
    --arena-min: 200px;
  }
}

@media (max-height: 640px) {
  :root {
    --ui-reserve: 580px;
    --arena-min: 160px;
  }
}