:root {
  color-scheme: light;
  --ink: #171717;
  --muted: #66615c;
  --paper: #fffdf7;
  --panel: #f3f7f4;
  --night: #141414;
  --line: #262626;
  --bass: #ff5a5f;
  --beam: #00a895;
  --spark: #f6bf26;
  --echo: #7257ff;
  --good: #1b8f4d;
  --bad: #b83232;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.24);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  min-height: 100%;
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    linear-gradient(135deg, rgba(0, 168, 149, 0.2), transparent 34%),
    linear-gradient(315deg, rgba(255, 90, 95, 0.22), transparent 38%),
    #161616;
  letter-spacing: 0;
}

button,
input,
textarea {
  font: inherit;
  letter-spacing: 0;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.app-shell {
  width: min(1120px, calc(100% - 32px));
  min-height: 100vh;
  margin: 0 auto;
  padding: 32px 0;
  display: grid;
  align-content: center;
  gap: 20px;
}

.topbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  color: #fffdf7;
}

.eyebrow,
.result-kicker {
  margin: 0 0 6px;
  color: #ffdc5d;
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: 3rem;
  line-height: 1;
}

.day-pill {
  min-width: 164px;
  padding: 10px 14px;
  border: 2px solid rgba(255, 253, 247, 0.7);
  border-radius: 8px;
  color: #fffdf7;
  text-align: center;
  font-weight: 800;
}

.game-board {
  display: grid;
  gap: 16px;
  padding: 18px;
  border: 2px solid #000;
  border-radius: 8px;
  background: var(--paper);
  box-shadow: var(--shadow);
}

.scorebar {
  display: grid;
  grid-template-columns: repeat(3, minmax(120px, 1fr)) minmax(220px, 1.4fr);
  gap: 10px;
}

.meter-block,
.hype-wrap {
  min-height: 72px;
  padding: 12px;
  border: 2px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.meter-block span,
.hype-wrap span {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.meter-block strong {
  display: block;
  margin-top: 4px;
  font-size: 1.8rem;
  line-height: 1;
}

.hype-track {
  position: relative;
  height: 18px;
  margin-top: 12px;
  overflow: hidden;
  border: 2px solid var(--line);
  border-radius: 999px;
  background: #e7e7e7;
}

.hype-fill {
  width: 48%;
  height: 100%;
  background: linear-gradient(90deg, var(--beam), var(--spark), var(--bass));
  transition: width 180ms ease;
}

.stage {
  position: relative;
  overflow: hidden;
  min-height: 420px;
  padding: 18px;
  border: 2px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.07) 1px, transparent 1px),
    linear-gradient(0deg, rgba(255, 255, 255, 0.07) 1px, transparent 1px),
    var(--night);
  background-size: 42px 42px;
  color: #fffdf7;
}

.stage-status {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  min-height: 32px;
  margin-bottom: 16px;
  font-size: 1rem;
}

.stage-status span {
  color: #c8c2ba;
}

.stage-status strong {
  max-width: 62%;
  text-align: right;
}

.lanes {
  display: grid;
  gap: 16px;
}

.lane {
  --lane-color: var(--bass);
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  align-items: center;
  gap: 16px;
}

.lane[data-lane="1"] {
  --lane-color: var(--beam);
}

.lane[data-lane="2"] {
  --lane-color: var(--spark);
}

.lane[data-lane="3"] {
  --lane-color: var(--echo);
}

.lane-pad {
  display: grid;
  grid-template-columns: 38px 1fr;
  align-items: center;
  gap: 10px;
  min-height: 68px;
  width: 100%;
  padding: 10px;
  border: 2px solid #fffdf7;
  border-radius: 8px;
  color: #fffdf7;
  background: #242424;
  text-align: left;
}

.lane-pad span {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--lane-color);
  color: #141414;
  font-weight: 900;
}

.lane-pad strong {
  overflow: hidden;
  font-size: 1rem;
  line-height: 1.1;
  text-overflow: ellipsis;
}

.lane-pad:focus-visible,
.primary-action:focus-visible,
.icon-action:focus-visible {
  outline: 4px solid #ffdc5d;
  outline-offset: 2px;
}

.lane.is-active .lane-pad {
  background: #fffdf7;
  color: #141414;
}

.lane.is-hit .lane-pad {
  box-shadow: 0 0 0 4px var(--good);
}

.lane.is-miss .lane-pad {
  box-shadow: 0 0 0 4px var(--bad);
}

.lane-track {
  position: relative;
  height: 68px;
  overflow: hidden;
  border: 2px solid rgba(255, 253, 247, 0.72);
  border-radius: 999px;
  background: rgba(255, 253, 247, 0.08);
}

.lane-track::before {
  content: "";
  position: absolute;
  inset: 50% 16px auto;
  height: 3px;
  transform: translateY(-50%);
  background: rgba(255, 253, 247, 0.36);
}

.target-ring {
  position: absolute;
  top: 50%;
  left: var(--target, 68%);
  width: 32px;
  height: 46px;
  border: 4px solid #fffdf7;
  border-radius: 999px;
  transform: translate(-50%, -50%);
  transition: border-color 100ms ease, box-shadow 100ms ease;
}

.lane.in-window .target-ring {
  border-color: #ffdc5d;
  box-shadow: 0 0 18px #ffdc5d;
}

.signal {
  position: absolute;
  top: 50%;
  left: 0%;
  width: 26px;
  height: 26px;
  border: 3px solid #141414;
  border-radius: 50%;
  background: var(--lane-color);
  box-shadow: 0 0 22px var(--lane-color);
  transform: translate(-50%, -50%) scale(0.7);
  opacity: 0;
}

.lane.is-active .signal {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.controls {
  display: grid;
  grid-template-columns: minmax(170px, 1fr) repeat(3, minmax(132px, auto));
  gap: 10px;
}

.primary-action,
.icon-action {
  min-height: 48px;
  border: 2px solid var(--line);
  border-radius: 8px;
  font-weight: 900;
}

.primary-action {
  color: #141414;
  background: #ffdc5d;
}

.icon-action {
  color: var(--ink);
  background: #ffffff;
}

.result-panel {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 16px;
  padding: 14px;
  border: 2px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.result-panel[hidden] {
  display: none;
}

.result-panel strong {
  display: block;
  font-size: 2.2rem;
  line-height: 1;
}

.result-panel p {
  margin: 0;
  align-self: center;
  color: #2b2b2b;
  font-weight: 700;
}

@media (max-width: 760px) {
  .app-shell {
    width: min(100% - 20px, 680px);
    padding: 14px 0;
    align-content: start;
  }

  .topbar {
    align-items: stretch;
    flex-direction: column;
  }

  h1 {
    font-size: 2.25rem;
  }

  .day-pill {
    min-width: 0;
  }

  .game-board {
    padding: 12px;
  }

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

  .hype-wrap {
    grid-column: 1 / -1;
  }

  .stage {
    min-height: 430px;
    padding: 12px;
  }

  .stage-status {
    flex-direction: column;
  }

  .stage-status strong {
    max-width: none;
    min-height: 24px;
    text-align: left;
  }

  .lane {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .lane-track {
    height: 48px;
  }

  .lane-pad {
    grid-template-columns: 42px 1fr;
    min-height: 58px;
  }

  .controls,
  .result-panel {
    grid-template-columns: 1fr;
  }
}