:root {
  color-scheme: dark;
  --bg: #080c12;
  --panel: rgba(13, 19, 30, .86);
  --panel-solid: #111927;
  --line: rgba(235, 244, 255, .16);
  --text: #eef5ff;
  --muted: #9aadc2;
  --cyan: #4de7ff;
  --lime: #79ff9d;
  --gold: #ffd166;
  --red: #ff6378;
  --blue: #7ba7ff;
}

* { box-sizing: border-box; }
html, body { min-height: 100%; }
body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 10% 12%, rgba(77, 231, 255, .16), transparent 26%),
    radial-gradient(circle at 84% 22%, rgba(255, 209, 102, .12), transparent 24%),
    linear-gradient(135deg, #070a10, #111a25 48%, #080b11);
  color: var(--text);
  font-family: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
}

button {
  width: 100%;
  border: 0;
  padding: 12px 16px;
  color: #07111b;
  background: linear-gradient(180deg, #7df5ff, #36c6ff);
  font-size: 15px;
  font-weight: 900;
  cursor: pointer;
  box-shadow: 0 14px 34px rgba(54, 198, 255, .24);
}

input {
  width: 100%;
  border: 1px solid rgba(235, 244, 255, .18);
  padding: 10px 12px;
  color: var(--text);
  background: rgba(255, 255, 255, .055);
  font: inherit;
  outline: none;
}

input:focus {
  border-color: rgba(77, 231, 255, .65);
  box-shadow: 0 0 0 3px rgba(77, 231, 255, .12);
}

.shell {
  width: 100vw;
  height: 100vh;
  padding: 18px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 286px;
  gap: 14px;
}

.game-stage {
  position: relative;
  min-width: 0;
  min-height: 0;
  border: 1px solid var(--line);
  background: #07101b;
  box-shadow: 0 22px 70px rgba(0, 0, 0, .45);
  overflow: hidden;
}

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

.touch-controls {
  position: absolute;
  left: 0;
  right: 0;
  bottom: max(76px, calc(16px + env(safe-area-inset-bottom)));
  z-index: 5;
  display: none;
  align-items: end;
  justify-content: space-between;
  padding: 0 18px;
  pointer-events: none;
  touch-action: none;
}

.touch-stick,
.touch-actions button {
  pointer-events: auto;
  user-select: none;
  -webkit-user-select: none;
  touch-action: none;
}

.touch-stick {
  position: relative;
  width: 112px;
  height: 112px;
  border: 1px solid rgba(235, 244, 255, .22);
  border-radius: 50%;
  background: rgba(13, 19, 30, .5);
  box-shadow: inset 0 0 24px rgba(77, 231, 255, .11), 0 14px 34px rgba(0, 0, 0, .28);
  backdrop-filter: blur(10px);
}

.touch-stick i {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 46px;
  height: 46px;
  margin: -23px 0 0 -23px;
  border-radius: 50%;
  background: linear-gradient(180deg, rgba(125, 245, 255, .92), rgba(54, 198, 255, .86));
  box-shadow: 0 10px 22px rgba(54, 198, 255, .25);
}

.touch-actions {
  display: grid;
  grid-template-columns: repeat(2, 58px);
  grid-auto-rows: 58px;
  gap: 10px;
}

.touch-actions button {
  width: 58px;
  height: 58px;
  padding: 0;
  border: 1px solid rgba(235, 244, 255, .22);
  border-radius: 50%;
  color: var(--text);
  background: rgba(13, 19, 30, .68);
  box-shadow: 0 14px 34px rgba(0, 0, 0, .28);
  backdrop-filter: blur(10px);
  font-size: 15px;
}

.touch-actions button:nth-child(2) {
  color: #07111b;
  background: linear-gradient(180deg, #7df5ff, #36c6ff);
  font-weight: 900;
}

.touch-actions button:nth-child(3) {
  grid-column: 2;
  width: 48px;
  height: 48px;
  justify-self: end;
  font-size: 13px;
}

.gamepad-badge {
  position: absolute;
  right: 16px;
  top: 74px;
  z-index: 6;
  display: none;
  padding: 7px 10px;
  border: 1px solid rgba(121, 255, 157, .32);
  color: var(--lime);
  background: rgba(13, 19, 30, .68);
  backdrop-filter: blur(10px);
  font-size: 12px;
  font-weight: 800;
  pointer-events: none;
}

.gamepad-badge.visible {
  display: block;
}

.overlay {
  position: absolute;
  left: 14px;
  right: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  pointer-events: none;
}

.overlay.top { top: 12px; }
.overlay.bottom { bottom: 12px; align-items: end; }

.title-lockup {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.mark {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(77, 231, 255, .42);
  color: var(--cyan);
  background: rgba(77, 231, 255, .08);
  font-weight: 900;
}

h1, h2, p { margin: 0; }
h1 { font-size: clamp(20px, 2.2vw, 32px); line-height: 1; letter-spacing: 0; }
.title-lockup p { margin-top: 5px; color: var(--muted); font-size: 12px; }

.scorebox, .quick-stats, .meter-group, .dialog, .side-panel {
  border: 1px solid var(--line);
  background: var(--panel);
  backdrop-filter: blur(14px);
}

.bossbar {
  position: absolute;
  top: 76px;
  left: 50%;
  width: min(520px, calc(100% - 42px));
  transform: translateX(-50%);
  border: 1px solid rgba(255, 255, 255, .2);
  background: rgba(8, 12, 21, .82);
  padding: 9px;
  backdrop-filter: blur(14px);
  pointer-events: none;
}

.bossbar div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 7px;
  font-size: 12px;
}

.bossbar span {
  color: var(--text);
  font-weight: 800;
}

.bossbar strong {
  color: var(--muted);
}

.bossbar i {
  display: block;
  height: 9px;
  width: 100%;
  box-shadow: 0 0 18px rgba(255, 99, 120, .34);
}

.scorebox {
  min-width: 150px;
  padding: 9px 12px;
  text-align: right;
}

.scorebox span, .panel-row span, .quick-stats span, .meter-label span {
  color: var(--muted);
  font-size: 12px;
}

.scorebox strong {
  display: block;
  margin-top: 2px;
  font-size: 26px;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.meter-group {
  width: min(440px, 48vw);
  padding: 10px;
}

.meter-label {
  display: flex;
  justify-content: space-between;
  margin-bottom: 7px;
}

.meter-label strong, .quick-stats strong, .panel-row strong {
  font-variant-numeric: tabular-nums;
}

.meter {
  height: 11px;
  background: rgba(255, 255, 255, .08);
  overflow: hidden;
}

.meter i {
  display: block;
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--gold));
  box-shadow: 0 0 18px rgba(77, 231, 255, .55);
}

.quick-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(62px, auto));
  overflow: hidden;
}

.quick-stats div {
  min-width: 70px;
  padding: 8px 10px;
  background: rgba(255, 255, 255, .035);
}

.quick-stats strong {
  display: block;
  margin-top: 3px;
  font-size: 16px;
}

.center-layer {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  pointer-events: none;
}

.dialog {
  width: min(520px, calc(100% - 42px));
  padding: 24px;
  pointer-events: auto;
  box-shadow: 0 22px 70px rgba(0, 0, 0, .5);
}

.dialog h2 {
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.08;
  letter-spacing: 0;
}

.dialog p {
  margin-top: 12px;
  color: var(--muted);
  line-height: 1.72;
  font-size: 14px;
}

.keygrid {
  margin-top: 16px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px 12px;
  color: var(--muted);
  font-size: 13px;
}

.keygrid b { color: var(--text); }
.dialog button { margin-top: 18px; }
.hidden { display: none; }

.field {
  display: grid;
  gap: 7px;
  margin-top: 16px;
}

.field span {
  color: var(--muted);
  font-size: 12px;
}

.profile-card {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 12px;
  padding: 11px 12px;
  background: rgba(255, 255, 255, .045);
  border: 1px solid rgba(255, 255, 255, .09);
}

.profile-card span {
  color: var(--muted);
}

.net-panel {
  margin-top: 12px;
}

.net-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 10px;
}

.net-actions button {
  margin: 0;
  padding: 10px 12px;
}

.net-actions button:nth-child(2) {
  color: var(--text);
  background: rgba(255, 255, 255, .065);
  border: 1px solid rgba(235, 244, 255, .16);
  box-shadow: none;
}

.net-status {
  margin-top: 8px;
  color: var(--muted);
  font-size: 12px;
}

.upgrade-list {
  margin-top: 16px;
  display: grid;
  gap: 10px;
}

.upgrade-card {
  margin: 0;
  padding: 13px;
  text-align: left;
  color: var(--text);
  background: rgba(255, 255, 255, .055);
  border: 1px solid rgba(255, 255, 255, .14);
  box-shadow: none;
}

.upgrade-card.selected {
  border-color: rgba(255, 209, 102, .9);
  background: rgba(255, 209, 102, .13);
  box-shadow: 0 0 0 3px rgba(255, 209, 102, .12);
}

.upgrade-card em {
  display: inline-block;
  margin-bottom: 6px;
  color: var(--gold);
  font-style: normal;
  font-size: 11px;
}

.upgrade-card:hover {
  border-color: rgba(255, 139, 209, .7);
  background: rgba(255, 139, 209, .12);
}

.upgrade-card b,
.upgrade-card span {
  display: block;
}

.story .speaker {
  margin: 0 0 10px;
  color: var(--gold);
  font-weight: 900;
  letter-spacing: 0;
}

.upgrade-card span {
  margin-top: 5px;
  color: var(--muted);
  line-height: 1.5;
  font-size: 12px;
}

.side-panel {
  min-width: 0;
  padding: 16px;
  overflow: auto;
}

.side-panel h2 {
  margin: 4px 0 10px;
  font-size: 16px;
}

.side-panel h2:not(:first-child) { margin-top: 22px; }

.panel-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.leaderboard-status {
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 12px;
}

.leaderboard-list {
  list-style: none;
  display: grid;
  gap: 7px;
  padding: 0;
  margin: 0;
}

.leaderboard-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 3px 8px;
  padding: 9px 10px;
  background: rgba(255, 255, 255, .045);
  border: 1px solid rgba(255, 255, 255, .09);
}

.leaderboard-list span {
  min-width: 0;
  display: flex;
  gap: 7px;
  align-items: center;
}

.leaderboard-list b {
  color: var(--gold);
  font-size: 12px;
}

.leaderboard-list em {
  min-width: 0;
  overflow: hidden;
  color: var(--text);
  font-style: normal;
  font-weight: 800;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.leaderboard-list strong {
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.leaderboard-list small {
  grid-column: 1 / -1;
  color: var(--muted);
  font-size: 11px;
}

.rank-card {
  position: relative;
  overflow: hidden;
  padding: 12px;
  margin-bottom: 8px;
  background: rgba(255, 255, 255, .045);
  border: 1px solid rgba(255, 255, 255, .09);
}

.rank-card strong,
.rank-card span {
  display: block;
}

.rank-card strong {
  font-size: 15px;
}

.rank-card span {
  margin-top: 5px;
  color: var(--muted);
  line-height: 1.45;
  font-size: 12px;
}

.rank-card i {
  display: block;
  height: 4px;
  width: 0%;
  margin-top: 10px;
  transition: width .25s ease;
}

.item-list {
  list-style: none;
  display: grid;
  gap: 8px;
  padding: 0;
  margin: 0;
}

.item-list.compact {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.item-list li {
  padding: 10px;
  background: rgba(255, 255, 255, .045);
  border: 1px solid rgba(255, 255, 255, .09);
}

.item-list b, .item-list span { display: block; }
.item-list b { font-size: 13px; }
.item-list span, .note {
  margin-top: 4px;
  color: var(--muted);
  line-height: 1.6;
  font-size: 12px;
}

@media (max-width: 980px) {
  .shell {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(0, 1fr) auto;
    padding: 8px;
  }

  .side-panel {
    max-height: 176px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px 16px;
  }

  .side-panel h2, .note { display: none; }
  .item-list { grid-column: 1 / -1; grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (max-width: 680px) {
  .shell { height: 100dvh; }
  .title-lockup p, .side-panel { display: none; }
  .overlay { left: 8px; right: 8px; }
  .scorebox { min-width: 118px; }
  .scorebox strong { font-size: 20px; }
  .meter-group { width: 46vw; }
  .quick-stats { grid-template-columns: repeat(2, minmax(54px, auto)); }
  .quick-stats div { min-width: 58px; padding: 6px 8px; }
  .quick-stats strong { font-size: 14px; }
}

@media (pointer: coarse), (max-width: 760px) {
  .touch-controls.visible { display: flex; }
}

@media (max-width: 420px) {
  .touch-controls {
    bottom: max(96px, calc(18px + env(safe-area-inset-bottom)));
    padding: 0 12px;
  }

  .touch-stick {
    width: 98px;
    height: 98px;
  }

  .touch-stick i {
    width: 40px;
    height: 40px;
    margin: -20px 0 0 -20px;
  }

  .touch-actions {
    grid-template-columns: repeat(2, 52px);
    grid-auto-rows: 52px;
    gap: 8px;
  }

  .touch-actions button {
    width: 52px;
    height: 52px;
  }

  .touch-actions button:nth-child(3) {
    width: 44px;
    height: 44px;
  }

  .gamepad-badge {
    top: 62px;
    right: 8px;
  }
}