:root {
  color-scheme: dark;
  --bg: #07090f;
  --panel: #10141e;
  --panel-2: #151b28;
  --line: rgba(135, 155, 190, 0.18);
  --text: #f4f7fb;
  --muted: #8591a7;
  --soft: #bac4d6;
  --accent: #ff8a2a;
  --cyan: #36d6c8;
  --pink: #ff5f9d;
  --green: #43e38a;
  --danger: #ff4f5e;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  min-height: 100%;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  -webkit-tap-highlight-color: transparent;
}

body {
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
}

button {
  border: 0;
  color: inherit;
  font: inherit;
}

.app-shell {
  position: relative;
  width: min(100vw, 480px);
  height: 100dvh;
  min-height: 620px;
  margin: 0 auto;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% -12%, rgba(255, 138, 42, 0.22), transparent 34%),
    radial-gradient(circle at 12% 22%, rgba(54, 214, 200, 0.12), transparent 28%),
    linear-gradient(180deg, #0a0d15 0%, #07090f 56%, #05070c 100%);
}

.app-shell::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 24px 24px;
  mask-image: linear-gradient(to bottom, black 0%, transparent 92%);
  pointer-events: none;
}

.top-line {
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--cyan), var(--pink));
  z-index: 20;
}

.screen {
  position: absolute;
  inset: 0;
  display: none;
  flex-direction: column;
  padding: max(18px, env(safe-area-inset-top)) 18px max(18px, env(safe-area-inset-bottom));
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 160ms ease, transform 160ms ease;
  z-index: 1;
}

.screen.is-active {
  display: flex;
  opacity: 1;
  transform: translateY(0);
}

.eyebrow {
  margin: 0;
  color: var(--cyan);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.hero-panel {
  padding-top: 18px;
}

.brand-icon {
  display: block;
  width: 72px;
  height: 72px;
  margin-bottom: 12px;
  border-radius: 18px;
  box-shadow: 0 14px 34px rgba(255, 138, 42, 0.22), 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.hero-panel h1,
.rule-card h2,
.result-card h2,
.report-hero h2 {
  margin: 8px 0 0;
  letter-spacing: 0;
}

.hero-panel h1 {
  font-size: 32px;
  line-height: 1.12;
}

.hero-copy {
  max-width: 340px;
  margin: 10px 0 18px;
  color: var(--soft);
  font-size: 14px;
  line-height: 1.65;
}

.summary-strip {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(16, 20, 30, 0.82);
  box-shadow: var(--shadow);
}

.summary-strip div {
  display: grid;
  gap: 2px;
}

.summary-strip strong {
  font-size: 16px;
}

.summary-strip span,
.result-stats span {
  color: var(--muted);
  font-size: 11px;
}

.icon-button,
.back-button,
.ghost-button,
.secondary-button,
.primary-button {
  min-height: 46px;
  border-radius: 8px;
  cursor: pointer;
  touch-action: manipulation;
}

.icon-button {
  min-width: 72px;
  padding: 0 12px;
  background: rgba(54, 214, 200, 0.12);
  color: var(--cyan);
  font-size: 12px;
  font-weight: 800;
}

.game-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.game-card {
  position: relative;
  min-height: 118px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(145deg, rgba(21, 27, 40, 0.94), rgba(9, 12, 19, 0.94));
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.24);
  overflow: hidden;
  text-align: left;
}

.game-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--game-color, var(--accent));
}

.game-card:active {
  transform: scale(0.985);
}

.game-code {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 30px;
  margin-bottom: 12px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 6px;
  color: var(--game-color, var(--accent));
  font-size: 12px;
  font-weight: 900;
}

.game-card h3 {
  margin: 0 0 5px;
  font-size: 16px;
}

.game-card p,
.build-mark {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}

.game-progress {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 12px;
  height: 4px;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.game-progress span {
  display: block;
  width: var(--progress, 0%);
  height: 100%;
  background: var(--game-color, var(--accent));
}

.build-mark {
  margin-top: auto;
  padding: 14px 0 2px;
  text-align: center;
}

.screen-rule,
.screen-result,
.screen-report {
  gap: 14px;
}

.back-button {
  width: 74px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--soft);
  font-weight: 700;
}

.rule-card,
.result-card,
.report-hero,
.report-list {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(16, 20, 30, 0.88);
  box-shadow: var(--shadow);
}

.rule-card,
.result-card {
  padding: 22px;
}

.rule-code {
  display: grid;
  place-items: center;
  width: 68px;
  height: 48px;
  margin-bottom: 16px;
  border: 1px solid rgba(255, 138, 42, 0.48);
  border-radius: 8px;
  color: var(--accent);
  font-size: 22px;
  font-weight: 900;
}

.rule-card h2,
.result-card h2,
.report-hero h2 {
  font-size: 26px;
}

.rule-desc {
  margin: 14px 0 18px;
  color: var(--soft);
  font-size: 14px;
  line-height: 1.75;
}

.rule-tips {
  display: grid;
  gap: 8px;
}

.tip-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 10px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 7px;
  color: var(--soft);
  font-size: 12px;
}

.primary-button,
.secondary-button,
.ghost-button {
  width: 100%;
  padding: 0 18px;
  font-weight: 900;
}

.primary-button {
  margin-top: auto;
  background: linear-gradient(135deg, var(--accent), #ff5b2d);
  color: #15100a;
  box-shadow: 0 14px 30px rgba(255, 138, 42, 0.24);
}

.secondary-button {
  background: rgba(54, 214, 200, 0.12);
  color: var(--cyan);
}

.ghost-button {
  background: rgba(255, 255, 255, 0.06);
  color: var(--soft);
}

.button-stack {
  display: grid;
  gap: 10px;
  margin-top: auto;
}

.screen-game {
  padding: 0;
  background: #05070c;
}

#gameCanvas {
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
}

.score-line {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 18px 0 8px;
}

.score-line strong {
  color: var(--accent);
  font-size: clamp(58px, 17vw, 82px);
  line-height: 0.95;
}

.score-line span {
  color: var(--muted);
  font-size: 18px;
}

.rank-pill {
  display: inline-flex;
  width: fit-content;
  min-height: 36px;
  align-items: center;
  padding: 0 14px;
  border: 1px solid rgba(255, 138, 42, 0.35);
  border-radius: 999px;
  color: var(--accent);
  font-weight: 900;
}

.result-note {
  min-height: 42px;
  margin: 12px 0 18px;
  color: var(--soft);
  font-size: 14px;
  line-height: 1.5;
}

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

.result-stats div {
  display: grid;
  gap: 4px;
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
}

.result-stats strong {
  font-size: 18px;
}

.report-hero {
  padding: 18px;
}

.report-score {
  display: flex;
  align-items: end;
  justify-content: space-between;
  margin-top: 12px;
}

.report-score strong {
  color: var(--cyan);
  font-size: 58px;
  line-height: 1;
}

.report-score span {
  color: var(--soft);
  font-size: 18px;
  font-weight: 900;
}

.radar-canvas {
  width: 100%;
  height: 240px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(5, 7, 12, 0.72);
}

.report-list {
  display: grid;
  gap: 10px;
  padding: 12px;
  overflow: auto;
}

.report-row {
  display: grid;
  grid-template-columns: 44px 1fr auto;
  gap: 10px;
  align-items: center;
}

.report-row code {
  display: grid;
  place-items: center;
  width: 38px;
  height: 30px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.07);
  color: var(--row-color, var(--accent));
  font-weight: 900;
}

.report-row h3 {
  margin: 0 0 5px;
  font-size: 14px;
}

.meter {
  height: 5px;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.meter span {
  display: block;
  width: var(--progress, 0%);
  height: 100%;
  background: var(--row-color, var(--accent));
}

.report-row strong {
  font-size: 13px;
}

.screen-error {
  justify-content: center;
  text-align: center;
}

.screen-error h2 {
  margin: 0 0 10px;
}

.screen-error p {
  margin: 0 0 18px;
  color: var(--soft);
}

@media (max-width: 360px) {
  .screen {
    padding-left: 12px;
    padding-right: 12px;
  }

  .hero-panel h1 {
    font-size: 28px;
  }

  .game-grid {
    gap: 9px;
  }

  .game-card {
    min-height: 112px;
    padding: 12px;
  }

  .game-card h3 {
    font-size: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    transition-duration: 1ms !important;
  }
}