:root {
  color-scheme: dark;
  --bg: #120d24;
  --panel: rgba(17, 18, 44, 0.78);
  --panel-border: rgba(255, 255, 255, 0.14);
  --text: #f7f3ff;
  --muted: #cdbff6;
  --accent: #ff95df;
  --accent-strong: #8cf2ff;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  color: var(--text);
  overscroll-behavior: none;
  background:
    radial-gradient(circle at top, rgba(174, 121, 255, 0.45), transparent 38%),
    linear-gradient(160deg, #130d2b 0%, #0d1433 55%, #1a1036 100%);
}

.app-shell {
  width: min(1280px, calc(100vw - 32px));
  margin: 16px auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 16px;
}

.game-panel,
.panel-card {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 28px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.game-panel {
  padding: 18px;
}

.hud {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.hud-card {
  padding: 12px 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.08);
}

.hud-card.effect-card {
  display: none;
}

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

.hud-value {
  font-size: 24px;
  font-weight: 700;
}

.hud-effect-value {
  font-size: 14px;
  line-height: 1.35;
}

.hud-effect-value.effect-none {
  color: var(--muted);
}

.hud-effect-value.effect-crit {
  color: #ffd86b;
}

.hud-effect-value.effect-shield {
  color: #8bd8ff;
}

.hud-effect-value.effect-magnet {
  color: #ffb6c8;
}

.hud-effect-value.effect-slow {
  color: #a9e9ff;
}

.canvas-wrap {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  touch-action: none;
}

#gameCanvas {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #0d0f20;
}

.shield-overlay {
  position: absolute;
  left: 0;
  top: 0;
  width: 180px;
  height: 180px;
  object-fit: contain;
  pointer-events: none;
  z-index: 3;
  transform: translate(-50%, -50%);
  opacity: 0.72;
  mix-blend-mode: screen;
  filter: drop-shadow(0 0 18px rgba(122, 208, 255, 0.35));
  clip-path: circle(44% at 50% 50%);
}

.overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(6, 6, 22, 0.55);
  z-index: 4;
}

.hidden {
  display: none;
}

.overlay-card {
  width: min(460px, 100%);
  padding: 28px;
  border-radius: 28px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(16, 12, 38, 0.9);
  box-shadow: var(--shadow);
  text-align: center;
}

.eyebrow {
  margin: 0 0 8px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 12px;
  color: var(--accent-strong);
}

h1,
h2 {
  margin: 0 0 12px;
}

.overlay-text {
  margin: 0 0 18px;
  color: var(--muted);
  line-height: 1.6;
}

.field {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
  text-align: left;
}

.field input {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 14px;
  padding: 12px 14px;
  font-size: 16px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
}

.primary-btn {
  border: 0;
  border-radius: 999px;
  padding: 14px 22px;
  font-size: 16px;
  font-weight: 700;
  color: #1d143a;
  background: linear-gradient(135deg, #ff9bd2 0%, #8cf2ff 100%);
  cursor: pointer;
}

.side-panel {
  display: grid;
  gap: 16px;
  align-content: start;
}

.panel-card {
  padding: 20px;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.panel-title-group {
  min-width: 0;
}

.panel-head h2 {
  margin-bottom: 0;
}

.leaderboard-reset-hint {
  margin: 4px 0 0;
  font-size: 12px;
  color: rgba(222, 227, 255, 0.7);
  line-height: 1.35;
}

.panel-toggle {
  display: none;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 700;
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
}

.leaderboard {
  margin: 14px 0 0;
  padding-left: 0;
  list-style: none;
  display: grid;
  gap: 10px;
  color: var(--muted);
}

.leaderboard li {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
}

.rank-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 30px;
  height: 24px;
  padding: 0 8px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
  color: #171028;
  background: rgba(255, 255, 255, 0.14);
}

.rank-crown {
  min-width: 34px;
  font-size: 16px;
  background: rgba(255, 255, 255, 0.08);
}

.rank-gold {
  color: #2a1800;
  background: linear-gradient(135deg, #ffe07d 0%, #ffbe45 100%);
}

.rank-silver {
  color: #1d2238;
  background: linear-gradient(135deg, #eef3ff 0%, #bcc7ea 100%);
}

.rank-bronze {
  color: #32150d;
  background: linear-gradient(135deg, #f3b98e 0%, #b86b43 100%);
}

.leaderboard-name {
  font-weight: 700;
  color: var(--text);
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 18px;
}

.leaderboard-name.rank-top-1 {
  color: #fff0a8;
  text-shadow: 0 0 12px rgba(255, 214, 92, 0.35);
}

.leaderboard-name.rank-top-2 {
  color: #eef3ff;
  text-shadow: 0 0 10px rgba(198, 214, 255, 0.28);
}

.leaderboard-name.rank-top-3 {
  color: #ffd3bf;
  text-shadow: 0 0 10px rgba(240, 160, 116, 0.26);
}

.leaderboard-score {
  color: var(--muted);
  font-size: 15px;
  white-space: nowrap;
  justify-self: end;
}

.leaderboard-empty {
  grid-template-columns: 1fr;
  color: rgba(222, 227, 255, 0.72);
  font-size: 14px;
  line-height: 1.5;
  white-space: normal;
}

.leaderboard-history {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.leaderboard-history-title {
  margin: 0;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: rgba(222, 227, 255, 0.8);
}

.leaderboard-compact {
  gap: 8px;
}

.leaderboard-compact li {
  grid-template-columns: 34px minmax(0, 1fr) auto;
  gap: 8px;
}

.leaderboard-compact .rank-badge {
  min-width: 28px;
  height: 22px;
  padding: 0 6px;
  font-size: 12px;
}

.leaderboard-compact .rank-crown {
  min-width: 30px;
  font-size: 15px;
}

.leaderboard-compact .leaderboard-name {
  font-size: 15px;
}

.leaderboard-compact .leaderboard-score {
  font-size: 12px;
}

.tips {
  margin: 0;
  padding-left: 20px;
  display: grid;
  gap: 10px;
  color: var(--muted);
  line-height: 1.6;
}

.result-actions {
  display: flex;
  justify-content: center;
}

@media (max-width: 980px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .hud {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 8px;
  }

  .hud-card {
    padding: 10px 12px;
  }

  .hud-label {
    font-size: 11px;
    margin-bottom: 4px;
  }

  .hud-value {
    font-size: 18px;
  }

  .hud-effect-value {
    font-size: 12px;
  }

  .side-panel {
    gap: 10px;
  }

  .panel-card {
    padding: 14px 16px;
    border-radius: 22px;
  }

  .leaderboard {
    gap: 8px;
    font-size: 14px;
  }

  .leaderboard li {
    grid-template-columns: 38px minmax(0, 1fr) auto;
    gap: 8px;
  }
}

@media (max-width: 640px) {
  body {
    min-height: 100dvh;
  }

  .app-shell {
    width: min(100vw - 16px, 100%);
    margin: 8px auto 14px;
    gap: 10px;
  }

  .game-panel {
    padding: 8px;
  }

  .hud {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 6px;
    margin-bottom: 8px;
  }

  .hud-card {
    padding: 8px 8px;
    border-radius: 14px;
  }

  .hud-label {
    font-size: 10px;
    margin-bottom: 3px;
  }

  .hud-value {
    font-size: 16px;
  }

  .hud-effect-value {
    font-size: 12px;
  }

  .overlay-card,
  .panel-card {
    padding: 14px;
    border-radius: 18px;
  }

  .overlay {
    padding: 14px;
  }

  .overlay-card {
    width: min(360px, 100%);
  }

  .overlay-card h1,
  .overlay-card h2 {
    font-size: 28px;
    margin-bottom: 10px;
  }

  .field {
    gap: 6px;
    margin-bottom: 12px;
  }

  .field span {
    font-size: 14px;
  }

  .field input {
    padding: 14px 14px;
    font-size: 16px;
    border-radius: 12px;
  }

  .primary-btn {
    width: 100%;
    min-height: 50px;
    padding: 14px 18px;
    font-size: 17px;
  }

  .canvas-wrap {
    border-radius: 18px;
  }

  .side-panel {
    order: 2;
  }

  .panel-card h2 {
    font-size: 18px;
    margin-bottom: 8px;
  }

  .panel-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .leaderboard-card {
    padding: 12px 14px;
  }

  .leaderboard-card.collapsed .leaderboard {
    display: none;
  }

  .leaderboard {
    padding-left: 18px;
    gap: 6px;
    font-size: 13px;
  }

  .leaderboard li {
    grid-template-columns: 34px minmax(0, 1fr) auto;
    gap: 7px;
  }

  .leaderboard-name {
    font-size: 17px;
  }

  .leaderboard-score {
    font-size: 14px;
  }

  .leaderboard-reset-hint {
    font-size: 11px;
  }

  .panel-card {
    background: rgba(17, 18, 44, 0.62);
  }
}

@media (max-width: 420px) {
  .app-shell {
    width: calc(100vw - 10px);
    margin: 5px auto 10px;
  }

  .game-panel {
    padding: 6px;
  }

  .hud {
    gap: 4px;
  }

  .hud-card {
    padding: 7px 6px;
  }

  .hud-label {
    font-size: 9px;
  }

  .hud-value {
    font-size: 14px;
  }

  .hud-effect-value {
    font-size: 11px;
  }

  .overlay-card h1,
  .overlay-card h2 {
    font-size: 24px;
  }

  .leaderboard-card {
    padding: 10px 12px;
  }
}