:root {
  --yellow: #ffd000;
  --paper: #ffe56a;
  --cream: #fff6d4;
  --orange: #ff5c1c;
  --purple: #6c2bd9;
  --purple-deep: #3a1280;
  --ink: #1a0a14;
  color: var(--ink);
  background: var(--yellow);
  font-family: "Noto Sans", "Liberation Sans", sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--yellow);
}

body {
  min-height: 100dvh;
}

button, input { font: inherit; color: inherit; touch-action: manipulation; }

#app {
  height: 100dvh;
  display: flex;
  flex-direction: column;
  background: var(--yellow) url('../public/poster.svg') center top / cover no-repeat;
}

#stage {
  position: relative;
  flex: 1 1 auto;
  min-height: 240px;
}

#view {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
}

#stamp {
  position: absolute;
  top: 0.8rem;
  left: 0.9rem;
  z-index: 2;
  pointer-events: none;
  transform: rotate(-7deg);
  background: var(--cream);
  border: 4px solid var(--ink);
  box-shadow: 6px 6px 0 var(--ink);
  padding: 0.15rem 0.7rem 0.35rem;
  line-height: 0.82;
}

#stamp span {
  display: block;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 0.78rem;
  color: var(--purple-deep);
}

#stamp strong {
  display: block;
  font-weight: 700;
  text-transform: uppercase;
  font-size: clamp(2.4rem, 6vw, 4.6rem);
  color: var(--orange);
  text-shadow: 0.07em 0.07em 0 var(--purple-deep);
}

#panel {
  flex: 0 0 auto;
  max-height: 52vh;
  overflow: auto;
  margin: 0 10px 10px;
  padding: 8px 12px 6px;
  background: var(--paper);
  border: 4px solid var(--ink);
  box-shadow: 7px 7px 0 var(--ink);
}

.transport {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  align-items: center;
  margin-bottom: 6px;
}

.pad-btn {
  border: 3px solid var(--ink);
  background: var(--purple);
  color: var(--cream);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.45rem 0.75rem;
  box-shadow: 3px 3px 0 var(--ink);
  cursor: pointer;
}

.pad-btn-ink {
  background: var(--cream);
  color: var(--ink);
}

.pad-btn.is-accent { background: var(--orange); color: var(--ink); }
.pad-btn.is-hot { background: var(--orange); color: var(--ink); }

.pad-btn:active {
  transform: translate(2px, 2px);
  box-shadow: none;
}

.pad-btn:focus-visible,
.lane-btn:focus-visible,
.step:focus-visible {
  outline: 3px solid var(--purple-deep);
  outline-offset: 2px;
}

.now {
  margin: 0 0 0 auto;
  min-width: 7rem;
  padding: 0.35rem 0.6rem;
  border: 3px solid var(--ink);
  background: var(--cream);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.slider {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.slider input {
  width: 7.5rem;
  height: 1.4rem;
  accent-color: var(--purple-deep);
  cursor: pointer;
}

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

.fx-label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.fx-list {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  flex: 1 1 auto;
  padding-bottom: 2px;
}

.fx-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  flex: 0 0 auto;
  min-height: 2.75rem;
  border: 3px solid var(--ink);
  background: var(--cream);
  padding: 0.2rem 0.45rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  font-size: 0.72rem;
  box-shadow: 2px 2px 0 var(--ink);
  cursor: pointer;
}

.fx-btn kbd {
  display: inline-grid;
  place-items: center;
  min-width: 1.15rem;
  height: 1.15rem;
  background: var(--purple-deep);
  color: var(--yellow);
  border: 2px solid var(--ink);
  font-family: inherit;
  font-size: 0.68rem;
  font-weight: 700;
}

.fx-btn i {
  font-style: normal;
  font-size: 0.58rem;
  letter-spacing: 0.06em;
  color: var(--purple-deep);
}

.fx-btn.is-on { background: var(--orange); }
.fx-btn.is-selected { outline: 3px solid var(--purple-deep); outline-offset: 1px; }

.fx-btn:active {
  transform: translate(2px, 2px);
  box-shadow: none;
}

.fx-btn:focus-visible {
  outline: 3px solid var(--purple-deep);
  outline-offset: 2px;
}

.fx-amount { flex: 0 0 auto; }

.grid {
  --steps: 16;
  display: grid;
  grid-template-columns: 4.6rem repeat(var(--steps), minmax(1.15rem, 1fr));
  gap: 3px;
  max-width: 980px;
  align-items: center;
}

.corner, .step-no {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: center;
}

.step-no.is-downbeat { color: var(--purple-deep); }

.lane-btn {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  width: 100%;
  height: 1.45rem;
  border: 3px solid var(--ink);
  background: var(--cream);
  padding: 0 0.28rem;
  cursor: pointer;
  box-shadow: 2px 2px 0 var(--ink);
}

.lane.is-hot .lane-btn { background: var(--orange); }

.lane-btn kbd {
  display: inline-grid;
  place-items: center;
  min-width: 1.15rem;
  height: 1.15rem;
  background: var(--purple-deep);
  color: var(--yellow);
  border: 2px solid var(--ink);
  font-family: inherit;
  font-size: 0.68rem;
  font-weight: 700;
}

.lane-btn b {
  font-size: 1rem;
  line-height: 1;
}

.step {
  height: 1.45rem;
  border: 2px solid var(--ink);
  background: var(--cream);
  padding: 0;
  cursor: pointer;
}

.step.is-on { background: var(--orange); }

.step.is-playhead,
.step-no.is-playhead {
  box-shadow: inset 0 0 0 3px var(--purple-deep);
}

.hint {
  margin: 8px 0 0;
  font-size: 0.78rem;
  font-weight: 700;
}

.crash {
  position: absolute;
  left: 1rem;
  bottom: 1rem;
  z-index: 3;
  margin: 0;
  padding: 0.6rem 0.8rem;
  background: var(--orange);
  border: 3px solid var(--ink);
  font-weight: 700;
}

@media (pointer: coarse) {
  .step, .lane-btn { height: 2rem; }
  .pad-btn { min-height: 2.75rem; }
}

@media (max-width: 720px) {
  #stamp { top: 0.35rem; left: 0.4rem; padding: 0.08rem 0.4rem 0.2rem; }
  #stamp strong { font-size: 1.7rem; }
  .now { margin-left: 0; }
  #panel { margin: 0; max-height: 58vh; border-left: 0; border-right: 0; box-shadow: none; }
}