:root {
  --bg: #0f1216;
  --bg-soft: #141922;
  --panel: #171c24;
  --line: #262e3a;
  --text: #e9edf3;
  --muted: #8d97a6;
  --amber: #f5b53f;
  --bug: #ff6060;
  --trap: #e0518f;
  --coffee: #e07a3f;
  --shield: #3ddc97;
  --rollback: #5aa9e6;
  --radius: 8px;
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system,
    "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

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

body {
  display: flex;
  align-items: center;
  justify-content: center;
  background: #090b0e;
  color: var(--text);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  overflow: hidden;
}

.tabular {
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
}

.app {
  position: relative;
  display: flex;
  flex-direction: column;
  width: min(100vw, 520px);
  height: 100dvh;
  overflow: hidden;
  background: var(--bg);
}

@media (min-width: 560px) and (min-height: 700px) {
  .app {
    height: min(100dvh, 940px);
    border: 1px solid var(--line);
    border-radius: 12px;
  }
}

/* ---------------- 顶部状态区 ---------------- */

.hud {
  flex: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 14px 16px 10px;
  background: linear-gradient(180deg, #131820 0%, #111621 100%);
  border-bottom: 1px solid var(--line);
  transition: opacity 0.2s ease;
}

.hud__row {
  display: flex;
  align-items: flex-end;
  gap: 10px;
}

.hud__cell {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.hud__cell--score {
  margin-left: auto;
  align-items: flex-end;
}

.hud__cell--combo {
  align-items: flex-end;
  opacity: 0;
  transition: opacity 0.15s ease;
}

.hud__cell--combo.is-on {
  opacity: 1;
}

.hud__cell--combo.is-on .hud__value {
  color: var(--amber);
}

.hud__cell--combo.is-pop {
  animation: pop 0.22s ease;
}

.hud__label {
  font-size: 11px;
  color: var(--muted);
}

.hud__value {
  font-size: 22px;
  font-weight: 500;
  line-height: 1.1;
}

.hud__cell--score .hud__value {
  font-size: 26px;
}

@keyframes pop {
  0% {
    transform: scale(1);
  }
  40% {
    transform: scale(1.18);
  }
  100% {
    transform: scale(1);
  }
}

.bar__track {
  position: relative;
  height: 10px;
  overflow: hidden;
  background: #1e2530;
  border-radius: 6px;
}

.bar__fill {
  width: 0;
  height: 100%;
  border-radius: 6px;
  background: linear-gradient(90deg, #c88a1f 0%, var(--amber) 60%, #ffd479 100%);
  transition: width 0.12s linear;
}

.bar__fill.is-low {
  background: linear-gradient(90deg, #8d3b3b 0%, var(--bug) 100%);
}

.bar__fill.is-done {
  background: linear-gradient(90deg, #2c9c6c 0%, var(--shield) 100%);
}

.bar__marks {
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(90deg, rgba(15, 18, 22, 0.55) 0 1px, transparent 1px 25%);
  pointer-events: none;
}

.bar__meta {
  display: flex;
  justify-content: space-between;
  margin-top: 5px;
  font-size: 11px;
  color: var(--muted);
}

.effects {
  display: flex;
  gap: 6px;
  min-height: 0;
}

.effect {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 8px;
  font-size: 11px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
  border-radius: 999px;
}

.effect .dot {
  width: 6px;
  height: 6px;
}

/* ---------------- 场地 ---------------- */

.stage {
  position: relative;
  flex: 1 1 auto;
  min-height: 0;
}

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

.flash {
  position: absolute;
  top: 34%;
  left: 50%;
  padding: 6px 14px;
  font-size: 15px;
  font-weight: 500;
  color: #0f1216;
  white-space: nowrap;
  background: var(--amber);
  border-radius: 999px;
  transform: translate(-50%, -50%);
  pointer-events: none;
  animation: flashUp 0.9s ease forwards;
}

@keyframes flashUp {
  0% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.85);
  }
  25% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
  }
  75% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translate(-50%, -120%) scale(1);
  }
}

/* ---------------- 弹层 ---------------- */

.screen {
  position: absolute;
  inset: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  overflow-y: auto;
  background: rgba(11, 14, 18, 0.94);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.screen[hidden] {
  display: none;
}

.panel {
  width: 100%;
  max-width: 400px;
  padding: 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.kicker {
  margin: 0 0 6px;
  font-size: 11px;
  color: var(--amber);
}

.title {
  margin: 0;
  font-size: 32px;
  font-weight: 500;
  line-height: 1.15;
}

.lede {
  margin: 8px 0 16px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

.verdict {
  margin: 0;
  font-size: 26px;
  font-weight: 500;
}

.modes {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  font-family: inherit;
  font-size: 13px;
  color: var(--muted);
  background: #1b212b;
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
}

.chip.is-active {
  color: var(--text);
  border-color: rgba(245, 181, 63, 0.5);
  background: rgba(245, 181, 63, 0.12);
}

.chip.is-locked {
  opacity: 0.55;
}

.chip__lock {
  padding: 0 5px;
  font-size: 10px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.08);
  border-radius: 4px;
}

.chip.is-active .chip__lock {
  display: none;
}

.chip__dot,
.dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  flex: none;
  background: var(--dot, var(--amber));
  border-radius: 50%;
}

.rules {
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 0;
  margin: 0 0 18px;
  list-style: none;
}

.rules li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
}

.rules b {
  min-width: 62px;
  font-weight: 500;
  color: var(--text);
}

.field {
  margin: 0 0 14px;
}

.field__label {
  display: block;
  margin-bottom: 6px;
  font-size: 12px;
  color: var(--muted);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  width: 100%;
  padding: 0 16px;
  font-family: inherit;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  background: #1b212b;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
  transition: transform 0.1s ease, background 0.15s ease;
}

.btn:active {
  transform: scale(0.985);
}

.btn--primary {
  color: #17130a;
  background: var(--amber);
  border-color: var(--amber);
}

.btn--ghost {
  font-size: 13px;
  background: transparent;
  border-color: transparent;
  color: var(--muted);
}

.btn--ghost:hover {
  color: var(--text);
}

.btn--sm {
  min-height: 42px;
  width: auto;
  flex: none;
  font-size: 13px;
}

.meta-row {
  display: flex;
  justify-content: space-between;
  margin-top: 12px;
  font-size: 12px;
  color: var(--muted);
}

.meta-row b {
  color: var(--text);
  font-weight: 500;
}

.link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 10px;
}

.link-row .btn {
  width: auto;
  flex: 1 1 auto;
}

.score-big {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin: 6px 0 2px;
  font-size: 52px;
  font-weight: 500;
  line-height: 1;
  color: var(--amber);
}

.score-big__unit {
  font-size: 15px;
  color: var(--muted);
}

.quip {
  margin: 6px 0 16px;
  font-size: 13px;
  color: var(--muted);
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-bottom: 16px;
  overflow: hidden;
  background: var(--line);
  border-radius: var(--radius);
}

.stats__item {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 9px 10px;
  background: #1a1f28;
}

.stats__item span {
  font-size: 11px;
  color: var(--muted);
}

.stats__item b {
  font-size: 16px;
  font-weight: 500;
}

.input {
  flex: 1 1 auto;
  min-width: 0;
  min-height: 42px;
  padding: 0 12px;
  font-family: inherit;
  font-size: 14px;
  color: var(--text);
  background: #12161d;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.input:focus {
  outline: none;
  border-color: rgba(245, 181, 63, 0.6);
}

.input.is-invalid {
  border-color: rgba(255, 96, 96, 0.75);
}

.note {
  margin: 0 0 12px;
  font-size: 12px;
  color: var(--muted);
}

.note[hidden] {
  display: none;
}

.note--error {
  margin-top: -8px;
  color: var(--bug);
}

.board {
  display: flex;
  flex-direction: column;
  gap: 1px;
  padding: 0;
  margin: 10px 0 14px;
  overflow: hidden;
  list-style: none;
  background: var(--line);
  border-radius: var(--radius);
}

.board[hidden] {
  display: none;
}

.board li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  font-size: 13px;
  background: #1a1f28;
}

.board__rank {
  width: 20px;
  flex: none;
  color: var(--muted);
  text-align: center;
}

.board li.is-top .board__rank {
  color: var(--amber);
}

.board li.is-me {
  background: rgba(245, 181, 63, 0.1);
}

.board__name {
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.board__tag {
  padding: 1px 6px;
  font-size: 10px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.07);
  border-radius: 4px;
}

.board__score {
  font-weight: 500;
  color: var(--amber);
}

.board--mini {
  margin-top: 14px;
}

@media (max-width: 380px) {
  .title {
    font-size: 28px;
  }
  .score-big {
    font-size: 44px;
  }
  .panel {
    padding: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}