:root {
  color-scheme: dark;
  --bg: #111316;
  --ink: #f1eee7;
  --muted: #a9b0b6;
  --panel: #1b2025;
  --line: #303941;
  --accent: #eab85d;
  --danger: #f06b64;
}

* {
  box-sizing: border-box;
}

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

body {
  background:
    radial-gradient(circle at 25% 10%, rgba(234, 184, 93, 0.13), transparent 28rem),
    linear-gradient(135deg, #111316 0%, #182027 55%, #151719 100%);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "Noto Sans JP", sans-serif;
}

button {
  font: inherit;
}

.app {
  display: grid;
  grid-template-columns: minmax(320px, 540px) minmax(280px, 360px);
  gap: 22px;
  align-items: start;
  justify-content: center;
  min-height: 100vh;
  padding: 22px;
}

.playfield {
  position: relative;
  width: min(540px, calc((100vh - 44px) * 0.7105), calc(100vw - 44px));
  height: min(760px, calc(100vh - 44px));
  aspect-ratio: 540 / 760;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(180deg, #111820 0%, #171b1d 52%, #211b17 100%);
  background-size: 42px 42px, 42px 42px, auto;
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.32);
}

canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.drop-guide {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2px;
  pointer-events: none;
  background: linear-gradient(to bottom, rgba(234, 184, 93, 0.8), transparent 52%);
  transform: translateX(-1px);
  opacity: 0.82;
}

.danger-line {
  position: absolute;
  top: 112px;
  left: 0;
  right: 0;
  height: 2px;
  pointer-events: none;
  background: repeating-linear-gradient(
    90deg,
    rgba(240, 107, 100, 0.78) 0 14px,
    transparent 14px 24px
  );
}

.toast {
  position: absolute;
  left: 16px;
  top: 16px;
  min-width: 92px;
  padding: 8px 10px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 6px;
  background: rgba(17, 19, 22, 0.72);
  color: var(--ink);
  font-size: 12px;
  letter-spacing: 0;
  text-transform: uppercase;
  backdrop-filter: blur(8px);
}

.panel {
  max-height: min(760px, calc(100vh - 44px));
  overflow: auto;
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: rgba(27, 32, 37, 0.92);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.22);
}

.brand p,
.hint,
.meters span {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.brand h1 {
  margin: 6px 0 18px;
  font-size: 34px;
  line-height: 1.05;
  letter-spacing: 0;
}

.meters {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.meters div {
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.035);
}

.meters strong {
  display: block;
  margin-top: 4px;
  font-size: 27px;
  line-height: 1;
  color: var(--accent);
}

.queue,
.reactions {
  margin-top: 22px;
}

h2 {
  margin: 0 0 10px;
  font-size: 13px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0;
}

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

.next-chip {
  display: grid;
  place-items: center;
  min-height: 58px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.04);
}

.orb {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  color: #101214;
  font-size: 11px;
  font-weight: 800;
  box-shadow:
    inset -6px -8px 14px rgba(0, 0, 0, 0.25),
    inset 5px 6px 12px rgba(255, 255, 255, 0.42);
}

.reactions ul {
  display: grid;
  gap: 7px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.reactions li {
  display: grid;
  grid-template-columns: auto auto 1fr;
  gap: 6px;
  align-items: center;
  min-height: 34px;
  padding: 7px 9px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: #d9dee0;
  font-size: 13px;
  background: rgba(255, 255, 255, 0.025);
}

.reactions span {
  justify-self: end;
  color: var(--accent);
}

.controls {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 22px;
}

.controls button {
  min-height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 6px;
  background: #242b31;
  color: var(--ink);
  cursor: pointer;
}

.controls button:hover {
  border-color: rgba(234, 184, 93, 0.75);
}

.hint {
  margin-top: 14px;
  line-height: 1.65;
}

@media (max-width: 880px) {
  .app {
    grid-template-columns: minmax(300px, 540px);
    padding: 12px;
  }

  .playfield {
    width: min(540px, calc(100vw - 24px));
    height: auto;
  }

  .panel {
    max-height: none;
  }
}