*, *::before, *::after {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
  -webkit-user-drag: none;
  touch-action: none;
}

::selection {
  background: transparent;
  color: inherit;
}

html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  height: -webkit-fill-available;
  height: 100dvh;
  overflow: hidden;
  position: fixed;
  inset: 0;
  overscroll-behavior: none;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  background: #07101c;
  color: oklch(0.97 0.02 210);
  font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Segoe UI", system-ui, sans-serif;
}

body {
  min-height: 100%;
  min-height: -webkit-fill-available;
  min-height: 100dvh;
}

#canvas-container {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  height: -webkit-fill-available;
  height: 100dvh;
  z-index: 1;
}

#canvas-container canvas {
  display: block;
  width: 100%;
  height: 100%;
}

#speed-lines-container,
#impact-flash {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 8;
  overflow: hidden;
}

#impact-flash {
  z-index: 9;
  background: radial-gradient(circle at 50% 42%, rgba(255, 255, 255, 0.55), rgba(34, 211, 238, 0.12) 38%, transparent 70%);
  opacity: 0;
  transition: opacity 80ms linear;
}

#impact-flash.is-on {
  opacity: 1;
  transition: none;
}

#impact-flash.is-danger {
  background: radial-gradient(circle at 50% 80%, rgba(244, 63, 94, 0.45), transparent 55%);
}

#depth-screens {
  position: fixed;
  inset: 0;
  z-index: 4;
  pointer-events: none;
  overflow: hidden;
  perspective: 920px;
  perspective-origin: 50% 42%;
  opacity: 0;
  transition: opacity 0.7s ease;
}

body.is-space #depth-screens {
  opacity: 1;
}

.depth-layer {
  position: absolute;
  left: 50%;
  top: 42%;
  width: 2px;
  height: 2px;
  pointer-events: none;
  mix-blend-mode: screen;
  will-change: transform, opacity;
  background: #fff;
  border-radius: 50%;
}

#depth-far {
  transform: translate3d(0, 0, -180px) scale(1.18);
  animation: depth-twinkle 3.6s ease-in-out infinite;
  opacity: 0.7;
}

#depth-mid {
  transform: translate3d(0, 0, -80px) scale(1.08);
  animation: depth-twinkle 2.4s ease-in-out infinite 0.4s;
  opacity: 0.85;
}

#depth-near {
  transform: translate3d(0, 0, 28px);
  animation: depth-spark 1.6s ease-in-out infinite;
  opacity: 1;
}

@keyframes depth-drift-far {
  from { background-position: 0 0, 40px 20px, 80px 60px, 10px 90px, 120px 40px, 30px 140px, 160px 10px, 70px 170px; }
  to { background-position: 280px 40px, 320px 60px, 360px 100px, 290px 130px, 400px 80px, 310px 180px, 440px 50px, 350px 210px; }
}

@keyframes depth-drift-mid {
  from { background-position: 0 0, 30px 50px, 90px 10px, 140px 80px, 20px 130px, 110px 40px; }
  to { background-position: -210px 50px, -180px 100px, -120px 60px, -70px 130px, -190px 180px, -100px 90px; }
}

@keyframes depth-drift-near {
  from { background-position: 0 0, 40px 20px, 90px 70px, 20px 110px, 120px 40px; }
  to { background-position: -160px 30px, -120px 50px, -70px 100px, -140px 140px, -40px 70px; }
}

@keyframes depth-twinkle {
  0%, 100% { filter: brightness(0.82); }
  50% { filter: brightness(1.35); }
}

@keyframes depth-spark {
  0%, 100% { filter: brightness(0.75) saturate(1); }
  40% { filter: brightness(1.55) saturate(1.25); }
  70% { filter: brightness(1.05) saturate(1.1); }
}

.speed-line {
  position: absolute;
  height: 2px;
  pointer-events: none;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.9), transparent);
  animation: speed-streak 0.22s linear forwards;
}

@keyframes speed-streak {
  from { transform: translateX(0); opacity: inherit; }
  to { transform: translateX(78vw); opacity: 0; }
}

#ui-root {
  position: relative;
  z-index: 20;
  height: 100%;
  width: 100%;
  pointer-events: none;
  padding:
    max(10px, env(safe-area-inset-top))
    max(10px, env(safe-area-inset-right))
    max(12px, env(safe-area-inset-bottom))
    max(10px, env(safe-area-inset-left));
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.hud-panel {
  background: color-mix(in oklch, oklch(0.2 0.04 250 / 0.9) 82%, black);
  border: 1px solid oklch(0.92 0.08 210 / 0.35);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

#hud-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
}

.hud-left {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
  flex: 1;
}

#goal-chip {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 6px 10px;
  border-radius: 12px;
  max-width: 100%;
}

#hud-layer {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: oklch(0.82 0.12 280);
}

#hud-goal {
  font-size: 12px;
  font-weight: 800;
  color: oklch(0.96 0.08 95);
  line-height: 1.25;
}

#stats {
  display: flex;
  align-items: stretch;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 16px;
  min-width: 0;
}

.stat {
  min-width: 0;
}

.stat-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.2;
}

.stat-value {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: clamp(1.15rem, 5.2vw, 1.85rem);
  font-weight: 800;
  line-height: 1.1;
  color: oklch(0.99 0.01 210);
  text-shadow: 0 1px 0 rgba(0, 0, 0, 0.55);
}

.stat-unit {
  font-size: 0.7rem;
  font-weight: 600;
  margin-left: 2px;
  color: oklch(0.78 0.03 230);
}

.stat-dist .stat-label { color: oklch(0.82 0.12 210); }
.stat-speed .stat-label { color: oklch(0.84 0.14 85); }
.stat-speed .stat-value { color: oklch(0.9 0.14 85); }
.stat-combo .stat-label { color: oklch(0.82 0.16 320); }
.stat-combo .stat-value { color: oklch(0.88 0.14 320); }

.stat-divider {
  width: 1px;
  background: oklch(0.7 0.04 230 / 0.35);
  margin: 4px 0;
}

.hud-actions {
  display: flex;
  gap: 6px;
  pointer-events: auto;
  flex-shrink: 0;
}

.game-btn {
  min-width: 56px;
  min-height: 56px;
  padding: 0 12px;
  border-radius: 14px;
  border: 1px solid oklch(0.92 0.08 210 / 0.28);
  background: color-mix(in oklch, oklch(0.22 0.04 250 / 0.88) 80%, black);
  color: oklch(0.9 0.06 210);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  touch-action: manipulation;
  transition: transform 0.08s ease, opacity 0.08s ease, filter 0.08s ease;
  pointer-events: auto;
}

.game-btn:active,
.game-btn.is-pressed {
  transform: scale(0.92);
  opacity: 0.88;
}

.game-btn svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.btn-label {
  display: none;
}

#center-stack {
  position: absolute;
  left: 50%;
  top: 64%;
  transform: translate(-50%, -50%);
  text-align: center;
  width: min(92vw, 420px);
  pointer-events: none;
}

#bounce-prompt {
  display: none;
  margin: 0 auto;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid oklch(0.85 0.12 210 / 0.55);
  background: oklch(0.3 0.08 210 / 0.55);
  color: oklch(0.95 0.08 210);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.04em;
}

#bounce-prompt.is-on {
  display: inline-block;
}

#bounce-prompt.is-apex {
  border-color: oklch(0.9 0.16 95 / 0.8);
  color: oklch(0.95 0.14 95);
}

#judge {
  min-height: 2.2em;
  font-size: clamp(1.4rem, 7vw, 2.4rem);
  font-weight: 900;
  letter-spacing: 0.06em;
  opacity: 0;
  transform: scale(0.86);
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.65);
}

#judge.is-on {
  opacity: 1;
  transform: scale(1);
  transition: opacity 70ms linear, transform 70ms ease;
}

#judge.perfect { color: oklch(0.9 0.16 95); }
#judge.good { color: oklch(0.88 0.12 210); }
#judge.weak { color: oklch(0.8 0.04 230); }
#judge.graze { color: oklch(0.9 0.18 145); }
#judge.dodge { color: oklch(0.9 0.14 250); }
#judge.save { color: oklch(0.9 0.16 55); }
#judge.space { color: oklch(0.92 0.12 280); }
#judge.dig { color: oklch(0.92 0.16 145); }
#judge.mark { color: oklch(0.93 0.16 95); }
#judge.layer { color: oklch(0.9 0.14 300); }

#alt-tape {
  position: absolute;
  right: max(12px, env(safe-area-inset-right));
  top: 24%;
  width: 26px;
  height: 42%;
  border-radius: 11px;
  border: 2px solid oklch(0.98 0.02 210);
  background: linear-gradient(to top,
    oklch(0.62 0.22 25) 0%,
    oklch(0.78 0.18 70) 22%,
    oklch(0.84 0.12 210) 100%);
  box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.35);
  overflow: hidden;
}

#alt-tape::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 22%;
  background: repeating-linear-gradient(
    to top,
    rgba(255, 255, 255, 0.35) 0 2px,
    transparent 2px 6px
  );
}

#alt-needle {
  position: absolute;
  left: -7px;
  width: 36px;
  height: 4px;
  background: #fff;
  border-radius: 2px;
  box-shadow: 0 0 8px rgba(0, 0, 0, 0.8);
  bottom: 40%;
}

#alt-tape.is-danger {
  box-shadow: 0 0 18px oklch(0.7 0.22 25), 0 0 0 3px rgba(0, 0, 0, 0.35);
}

#hud-bottom {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 8px;
}

#dodge-controls {
  display: none;
  gap: 8px;
  pointer-events: auto;
  align-items: flex-end;
}

#dodge-controls.is-on {
  display: flex;
}

.dodge-btn {
  min-width: 64px;
  min-height: 64px;
  padding: 6px 10px;
  border-radius: 18px;
  border: 1px solid oklch(0.92 0.1 210 / 0.45);
  background: color-mix(in oklch, oklch(0.28 0.07 250 / 0.78) 75%, black);
  color: oklch(0.95 0.06 210);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0;
  cursor: pointer;
  touch-action: manipulation;
  transition: transform 0.08s ease, opacity 0.08s ease;
}

.dodge-btn small {
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.08em;
  opacity: 0.8;
}

.dodge-btn strong {
  font-size: 1.45rem;
  line-height: 1;
}

.dodge-btn:active,
.dodge-btn.is-pressed {
  transform: scale(0.92);
  opacity: 0.9;
  background: oklch(0.45 0.1 210 / 0.85);
}

#radar-wrap {
  width: 148px;
  height: 78px;
  border-radius: 12px;
  overflow: hidden;
  position: relative;
}

#radar {
  display: block;
  width: 148px;
  height: 78px;
}

#radar-label {
  position: absolute;
  left: 8px;
  top: 5px;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: oklch(0.86 0.08 210);
}

#best-chip,
#hint-chip {
  padding: 8px 10px;
  border-radius: 12px;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 11px;
  color: oklch(0.86 0.03 230);
}

#best-chip strong {
  color: oklch(0.9 0.14 95);
}

#hint-chip {
  max-width: 46vw;
  text-align: right;
  line-height: 1.35;
}

#charge-wrap {
  position: absolute;
  left: 50%;
  bottom: max(86px, calc(72px + env(safe-area-inset-bottom)));
  transform: translateX(-50%);
  width: min(220px, 62vw);
  pointer-events: none;
  opacity: 0;
}

#charge-wrap.is-on {
  opacity: 1;
}

#charge-label {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-align: center;
  margin-bottom: 4px;
  color: oklch(0.9 0.12 85);
}

#charge-bar {
  height: 10px;
  border-radius: 999px;
  border: 1px solid oklch(0.95 0.1 95 / 0.5);
  background: oklch(0.2 0.04 250 / 0.7);
  overflow: hidden;
}

#charge-fill {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, oklch(0.82 0.14 210), oklch(0.9 0.16 95));
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: center;
  padding:
    max(16px, env(safe-area-inset-top))
    max(16px, env(safe-area-inset-right))
    max(16px, env(safe-area-inset-bottom))
    max(16px, env(safe-area-inset-left));
  background: oklch(0.12 0.03 250 / 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  pointer-events: auto;
}

.modal.hidden {
  display: none;
}

.modal-card {
  width: min(440px, 100%);
  max-height: 92dvh;
  overflow: auto;
  border-radius: 24px;
  padding: 18px 16px;
  text-align: center;
  border: 1px solid oklch(0.8 0.1 210 / 0.35);
}

.modal-card.wide {
  width: min(680px, 100%);
  max-height: 86dvh;
  display: flex;
  flex-direction: column;
  text-align: left;
}

.modal-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 10px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  border: 1px solid oklch(0.8 0.12 210 / 0.35);
  background: oklch(0.35 0.08 210 / 0.25);
  color: oklch(0.84 0.12 210);
}

.modal-icon.danger {
  color: oklch(0.78 0.18 25);
  border-color: oklch(0.72 0.18 25 / 0.4);
  background: oklch(0.35 0.1 25 / 0.25);
}

.modal-icon svg {
  width: 34px;
  height: 34px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

h1 {
  margin: 0;
  font-size: clamp(1.4rem, 6vw, 1.9rem);
  font-weight: 900;
  font-style: italic;
  letter-spacing: 0.04em;
  background: linear-gradient(90deg, oklch(0.84 0.12 210), oklch(0.95 0.04 210), oklch(0.8 0.12 280));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lead {
  margin: 10px 0 0;
  color: oklch(0.8 0.03 230);
  font-size: 13px;
  line-height: 1.6;
}

.rule-list {
  margin: 16px 0;
  padding: 12px;
  border-radius: 14px;
  background: oklch(0.18 0.03 250 / 0.7);
  border: 1px solid oklch(0.7 0.04 230 / 0.25);
  text-align: left;
  font-size: 12px;
}

.rule-row {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding: 5px 0;
  color: oklch(0.86 0.02 230);
}

.rule-row span:last-child {
  white-space: nowrap;
  flex-shrink: 0;
}

.bad { color: oklch(0.78 0.16 25); font-weight: 800; }
.good { color: oklch(0.88 0.14 85); font-weight: 800; }

.primary-btn {
  width: 100%;
  min-height: 56px;
  border: 0;
  border-radius: 16px;
  color: #071018;
  font-size: 1.05rem;
  font-weight: 900;
  letter-spacing: 0.06em;
  background: linear-gradient(90deg, oklch(0.8 0.12 210), oklch(0.72 0.14 260));
  box-shadow: 0 8px 24px oklch(0.6 0.14 220 / 0.35);
  cursor: pointer;
  touch-action: manipulation;
  transition: transform 0.08s ease, opacity 0.08s ease, filter 0.08s ease;
}

.primary-btn:active,
.primary-btn.is-pressed {
  transform: scale(0.96);
  opacity: 0.9;
}

.result-card {
  margin: 14px 0;
  padding: 12px 14px;
  border-radius: 16px;
  background: oklch(0.18 0.03 250 / 0.75);
  border: 1px solid oklch(0.7 0.04 230 / 0.25);
}

.result-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 0;
  font-size: 13px;
  color: oklch(0.78 0.03 230);
}

.result-row strong {
  font-family: ui-monospace, Menlo, monospace;
  color: oklch(0.9 0.1 210);
  font-size: 1.15rem;
}

.analog-box {
  margin: 0 0 12px;
  padding: 12px;
  border-radius: 14px;
  border: 1px solid oklch(0.82 0.12 210 / 0.4);
  background: oklch(0.28 0.06 210 / 0.38);
  text-align: center;
}

.analog-kicker {
  font-size: 10px;
  letter-spacing: 0.14em;
  font-weight: 800;
  color: oklch(0.82 0.08 210);
}

#res-analog-main {
  margin-top: 5px;
  font-size: clamp(0.95rem, 3.6vw, 1.15rem);
  font-weight: 900;
  color: oklch(0.93 0.12 95);
  line-height: 1.4;
}

#res-analog-sub {
  margin-top: 6px;
  font-size: 11px;
  color: oklch(0.8 0.03 230);
  line-height: 1.5;
}

#new-record-badge {
  display: none;
  margin: 0 auto 12px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid oklch(0.86 0.14 95 / 0.5);
  color: oklch(0.88 0.14 95);
  font-size: 12px;
  font-weight: 800;
}

#new-record-badge.is-on {
  display: inline-block;
}

#modal-tech .modal-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  padding-bottom: 10px;
  border-bottom: 1px solid oklch(0.7 0.04 230 / 0.28);
}

#modal-tech h3 {
  margin: 0;
  font-size: 1.05rem;
}

.tech-list {
  overflow: auto;
  margin: 12px 0;
  padding-right: 4px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  list-style: none;
}

[data-scrollable] {
  touch-action: pan-y;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}

.tech-list li {
  padding: 10px 12px;
  border-radius: 12px;
  background: oklch(0.18 0.03 250 / 0.7);
  border: 1px solid oklch(0.7 0.04 230 / 0.22);
  font-size: 12px;
  color: oklch(0.82 0.03 230);
  line-height: 1.45;
}

.tech-list strong {
  color: oklch(0.86 0.1 210);
}

body.is-danger #stats {
  border-color: oklch(0.75 0.18 25 / 0.7);
}

@media (min-width: 640px) {
  .btn-label { display: inline; }
  .tech-list { grid-template-columns: 1fr 1fr; }
  #hint-chip { max-width: none; }
}

@media (max-width: 520px) {
  .stat-combo { display: none; }
  .stat-divider.combo-div { display: none; }
  #radar-wrap { width: 110px; height: 64px; }
  #radar { width: 110px; height: 64px; }
  #hint-chip { display: none; }
  .dodge-btn { min-width: 56px; min-height: 56px; }
  h1 { font-size: 1.28rem; }
  .lead { font-size: 12px; }
  .rule-list { font-size: 11px; margin: 10px 0; }
}

@media (prefers-reduced-motion: reduce) {
  .game-btn,
  .primary-btn,
  .dodge-btn,
  #judge,
  #impact-flash {
    transition: none;
  }
  #depth-far,
  #depth-mid,
  #depth-near,
  .speed-line {
    animation: none;
  }
}