/*
 * 包剪揼 Arena — styles.css
 * 設計系統：基礎 token、五個主題、極光背景、玻璃卡、96px 手勢掣、
 * 對戰畫面、CSS 立體卡後備舞台、回應式直向／橫向、減少動效同焦點樣式。
 */

/* ---------- 重設 ---------- */

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

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100dvh;
  overflow-x: hidden;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  overscroll-behavior-y: none;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "PingFang HK", "Microsoft JhengHei", "Noto Sans HK", "Helvetica Neue",
    Arial, sans-serif;
  color: var(--ink);
  background: var(--bg-0);
  line-height: 1.5;
}

h1, h2, h3, h4, p, ul, ol, dl, dd, dt, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }

button, input, textarea {
  font: inherit;
  color: inherit;
}

button { cursor: pointer; }

[hidden] { display: none !important; }

img, canvas { display: block; max-width: 100%; }

/* ---------- 設計 token ---------- */

:root {
  --bg-0: #120a2a;
  --bg-1: #1d0f3d;
  --ink: #f7f4ff;
  --ink-dim: #c9c0e8;
  --card: rgba(255, 255, 255, 0.06);
  --card-solid: #1b1236;
  --brand: #ff2d75;
  --brand-2: #7a5cff;
  --gold: #ffcc4d;
  --mint: #39e6b0;
  --danger: #ff5d6c;
  --focus: #ffd166;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --tap: 48px;
  --tap-lg: 96px;
  --hairline: rgba(255, 255, 255, 0.1);
}

/* ---------- 五個主題 ---------- */

html.theme-night{--bg-0:#120a2a;--bg-1:#1d0f3d;--brand:#ff2d75;--brand-2:#7a5cff}
html.theme-sunset{--bg-0:#2a1030;--bg-1:#3b1436;--brand:#ff7a3d;--brand-2:#ff2d75}
html.theme-forest{--bg-0:#07160f;--bg-1:#0d2417;--brand:#39e6b0;--brand-2:#8bd94a}
html.theme-candy{--bg-0:#2a0f2e;--bg-1:#3d1440;--brand:#ff6fd8;--brand-2:#ffd166}
html.theme-ink{--bg-0:#0a0a0f;--bg-1:#14141c;--brand:#d9d9e6;--brand-2:#8c8ca3}

/* ---------- 極光背景 ---------- */

.aurora {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
  background: radial-gradient(160% 120% at 20% 0%, var(--bg-1), var(--bg-0) 62%);
}

.aurora-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(64px);
  mix-blend-mode: screen;
  animation: aurora-drift 18s ease-in-out infinite alternate;
}

.aurora-blob.b1 {
  width: 48vmax; height: 48vmax;
  left: -14vmax; top: -12vmax;
  background: var(--brand);
  opacity: 0.16;
}

.aurora-blob.b2 {
  width: 42vmax; height: 42vmax;
  right: -12vmax; top: 22vh;
  background: var(--brand-2);
  opacity: 0.18;
  animation-duration: 22s;
  animation-direction: alternate-reverse;
}

.aurora-blob.b3 {
  width: 36vmax; height: 36vmax;
  left: 18vw; bottom: -16vmax;
  background: var(--mint);
  opacity: 0.08;
  animation-duration: 26s;
}

@keyframes aurora-drift {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to { transform: translate3d(6vmax, 4vmax, 0) scale(1.14); }
}

/* ---------- 特效畫布 ---------- */

#fx {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 55;
  pointer-events: none;
}

/* ---------- 應用外框 ---------- */

#app {
  position: relative;
  max-width: 560px;
  margin: 0 auto;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  padding:
    calc(env(safe-area-inset-top) + 10px)
    calc(env(safe-area-inset-right) + 14px)
    calc(env(safe-area-inset-bottom) + 86px)
    calc(env(safe-area-inset-left) + 14px);
}

/* ---------- 頂欄 ---------- */

.topbar {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 2px 0 12px;
}

.tb-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.tb-name {
  font-weight: 800;
  font-size: 15px;
  max-width: 9em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tb-spacer { flex: 1 1 auto; }

.tb-streak {
  color: var(--gold);
  font-weight: 800;
  font-size: 13px;
  white-space: nowrap;
}

.xp-ring {
  flex: none;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: conic-gradient(var(--brand) calc(var(--xp, 0) * 1%), rgba(255, 255, 255, 0.14) 0);
  display: grid;
  place-items: center;
}

.xp-ring b {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--card-solid);
  display: grid;
  place-items: center;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.xp-line {
  display: flex;
  align-items: center;
  gap: 8px;
}

.xp-track {
  flex: 1;
  height: 6px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.12);
  overflow: hidden;
}

.xp-fill {
  display: block;
  height: 100%;
  width: calc(var(--xp, 0) * 1%);
  max-width: 100%;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--brand), var(--brand-2));
  transition: width 0.4s ease;
}

.xp-text {
  font-size: 11px;
  color: var(--ink-dim);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

/* ---------- 玻璃卡 ---------- */

.card {
  background: var(--card);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .card { background: var(--card-solid); }
}

.card h3 { font-size: 15px; font-weight: 800; }

.card-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
}

/* ---------- 檢視容器 ---------- */

.views { flex: 1 1 auto; display: block; padding-bottom: calc(76px + env(safe-area-inset-bottom)); }

.view {
  display: none;
  flex-direction: column;
  gap: 12px;
}

.view.is-active { display: flex; }

.view-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.view-head h2 { font-size: 20px; font-weight: 800; }

/* ---------- 首頁 ---------- */

.hero-card { text-align: center; padding: 20px 14px; }

.app-title {
  font-size: 30px;
  font-weight: 900;
  letter-spacing: 0.02em;
  background: linear-gradient(100deg, var(--brand), var(--brand-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.app-title .title-en { font-size: 20px; }

.app-sub { color: var(--ink-dim); font-size: 13px; }

.mode-desc, .daily-desc, .tip-text { color: var(--ink-dim); font-size: 13px; }

.daily-card {
  border: 1px dashed rgba(255, 204, 77, 0.45);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: rgba(255, 204, 77, 0.06);
}

.daily-name { font-weight: 800; color: var(--gold); }

.tip-text { font-style: italic; }

.pvp-record { color: var(--ink-dim); font-size: 12px; font-variant-numeric: tabular-nums; }

/* ---------- 級別列表 ---------- */

.tier-list { display: flex; flex-direction: column; gap: 8px; }

.tier-item {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  min-height:48px;
  padding: 10px 12px;
  text-align: left;
  border-radius: var(--radius-md);
  border: 1px solid var(--hairline);
  background: rgba(255, 255, 255, 0.04);
  color: var(--ink);
  transition: border-color 0.15s ease, transform 0.12s ease;
}

.tier-item:active { transform: scale(0.98); }

.tier-item .t-ava {
  flex: none;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 22px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--hairline);
}

.tier-item .t-txt { display: flex; flex-direction: column; gap: 2px; min-width: 0; }

.tier-item .t-name { font-weight: 800; font-size: 14px; }

.tier-item .t-hint {
  color: var(--ink-dim);
  font-size: 12px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tier-item .t-lock {
  margin-left: auto;
  flex: none;
  color: var(--ink-dim);
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.tier-item.is-locked { opacity: 0.55; }

.tier-item.is-selected {
  border-color: var(--brand);
  box-shadow: 0 0 0 1px var(--brand);
}

/* ---------- 最近戰績 ---------- */

.recent-list { display: flex; flex-direction: column; gap: 6px; }

.recent-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  font-variant-numeric: tabular-nums;
}

.recent-item .r-vs { color: var(--ink-dim); }

.recent-item .r-out { margin-left: auto; font-weight: 800; }

.recent-item .r-out.is-win { color: var(--mint); }
.recent-item .r-out.is-lose { color: var(--danger); }
.recent-item .r-out.is-draw { color: var(--ink-dim); }

/* ---------- 任務 ---------- */

.quest-summary, .ach-count { color: var(--ink-dim); font-size: 13px; font-variant-numeric: tabular-nums; }

.reset-timer { color: var(--ink-dim); font-size: 12px; font-variant-numeric: tabular-nums; }

.quest-list { display: flex; flex-direction: column; gap: 8px; }

.quest-card {
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  padding: 11px 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: rgba(255, 255, 255, 0.04);
}

.quest-card .q-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
}

.quest-card .q-name { font-weight: 800; font-size: 14px; }

.quest-card .q-target {
  color: var(--ink-dim);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.quest-card .q-desc { color: var(--ink-dim); font-size: 12px; }

.quest-card .q-foot {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.quest-card .q-rewards { display: flex; gap: 6px; flex-wrap: wrap; }

.quest-card .q-claim { margin-left: auto; }

.quest-card.is-claimable { border-color: var(--mint); }

.quest-card.is-claimed { opacity: 0.55; }

/* ---------- 進度條 ---------- */

.bar {
  height: 8px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.12);
  overflow: hidden;
}

.bar-fill {
  display: block;
  height: 100%;
  width: calc(var(--pct, 0) * 1%);
  max-width: 100%;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--brand), var(--brand-2));
  transition: width 0.4s ease;
}

/* ---------- 成就 ---------- */

.ach-list { display: flex; flex-direction: column; gap: 8px; }

.ach-card {
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  padding: 11px 12px;
  background: rgba(255, 255, 255, 0.04);
}

.ach-card .a-ico {
  flex: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-size: 22px;
  background: rgba(255, 255, 255, 0.08);
}

.ach-card .a-txt { display: flex; flex-direction: column; gap: 2px; min-width: 0; }

.ach-card .a-name { font-weight: 800; font-size: 14px; }

.ach-card .a-desc { color: var(--ink-dim); font-size: 12px; }

.ach-card .a-state {
  margin-left: auto;
  flex: none;
  font-size: 11px;
  font-weight: 700;
  color: var(--ink-dim);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.ach-card.is-unlocked { border-color: var(--gold); }

.ach-card.is-unlocked .a-state { color: var(--gold); }

.ach-card.is-locked { opacity: 0.6; }

.ach-card.is-locked .a-ico { filter: grayscale(0.9); }

/* ---------- 商店 ---------- */

.shop-tabs {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 2px;
}

.shop-tab {
  flex: 1 0 auto;
  min-height:48px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--hairline);
  background: rgba(255, 255, 255, 0.05);
  color: var(--ink-dim);
  font-weight: 700;
  font-size: 13px;
  white-space: nowrap;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.shop-tab.is-active {
  color: var(--ink);
  border-color: var(--brand);
  background: rgba(255, 255, 255, 0.09);
}

.shop-list { display: flex; flex-direction: column; gap: 8px; }

.shop-card {
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  padding: 11px 12px;
  background: rgba(255, 255, 255, 0.04);
}

.shop-card .s-glyph {
  flex: none;
  width: 54px;
  height: 54px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-size: 30px;
  background: rgba(255, 255, 255, 0.07);
}

.shop-card .s-txt { display: flex; flex-direction: column; gap: 2px; min-width: 0; }

.shop-card .s-name { font-weight: 800; font-size: 14px; }

.shop-card .s-desc { color: var(--ink-dim); font-size: 12px; }

.shop-card .s-act { margin-left: auto; display: flex; flex-direction: column; gap: 6px; align-items: flex-end; }

.shop-card[data-owned="true"] { border-color: rgba(57, 230, 176, 0.5); }

.shop-card.is-equipped { border-color: var(--brand); box-shadow: 0 0 0 1px var(--brand); }

.shop-card.is-locked { opacity: 0.55; }

/* ---------- 卡面框特效（皮膚） ---------- */

.frame-solid { box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.28); }

.frame-glow { box-shadow: 0 0 16px rgba(255, 204, 77, 0.55), inset 0 0 0 2px rgba(255, 255, 255, 0.32); }

.frame-pixel {
  box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.22),
    inset 4px 4px 0 rgba(255, 255, 255, 0.12),
    inset -4px -4px 0 rgba(0, 0, 0, 0.28);
}

.frame-holo {
  background: linear-gradient(135deg, rgba(127, 179, 255, 0.4), rgba(255, 45, 117, 0.32), rgba(122, 92, 255, 0.4));
  box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.35);
}

/* ---------- 個人檔案 ---------- */

.field-label { font-size: 12px; color: var(--ink-dim); font-weight: 700; }

.name-row { display: flex; gap: 8px; }

.name-input {
  flex: 1;
  min-height:48px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--hairline);
  background: rgba(0, 0, 0, 0.25);
  color: var(--ink);
}

.profile-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 12px; font-size: 13px; color: var(--ink-dim); }

.profile-grid b, .rank-line b { color: var(--ink); font-variant-numeric: tabular-nums; }

.rank-line { font-size: 13px; color: var(--ink-dim); }

.profile-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 12px; }

.profile-stats dt { color: var(--ink-dim); font-size: 12px; }

.profile-stats dd { font-weight: 800; font-size: 15px; font-variant-numeric: tabular-nums; }

.set-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 14px;
}

.set-motion { text-align: center; }

.season-list { display: flex; flex-direction: column; gap: 6px; }

.season { color: var(--ink-dim); font-size: 13px; }

.season.is-live { color: var(--ink); font-weight: 800; }

.season.is-live::before { content: "● "; color: var(--mint); }

.app-version { color: var(--ink-dim); font-size: 12px; }

.export-box, .import-text {
  width: 100%;
  min-height:48px;
  resize: vertical;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--hairline);
  background: rgba(0, 0, 0, 0.25);
  color: var(--ink);
  font-family: ui-monospace, Consolas, "Courier New", monospace;
  font-size: 12px;
  word-break: break-all;
}

.changelog-list { display: flex; flex-direction: column; gap: 6px; }

.changelog-list li { color: var(--ink-dim); font-size: 13px; }

.changelog-list li::before { content: "· "; color: var(--brand); }

/* ---------- 開關掣 ---------- */

.switch {
  position: relative;
  flex: none;
  width: 76px;
  min-height:48px;
  padding: 0;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.12);
  transition: background 0.2s ease;
}

.switch .knob {
  position: absolute;
  top: 50%;
  left: 6px;
  width: 34px;
  height: 34px;
  margin-top: -17px;
  border-radius: 50%;
  background: var(--ink-dim);
  transition: transform 0.2s ease, background 0.2s ease;
}

.switch[aria-checked="true"] {
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  border-color: transparent;
}

.switch[aria-checked="true"] .knob { transform: translateX(28px); background: #fff; }

/* ---------- 按鈕家族 ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height:48px;
  padding: 10px 16px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.07);
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  transition: transform 0.12s ease, filter 0.12s ease, box-shadow 0.12s ease;
}

.btn:active { transform: translateY(1px) scale(0.98); filter: brightness(1.05); }

.btn-primary {
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  border-color: transparent;
  color: #fff;
}

.btn-ghost { background: transparent; }

.btn-danger {
  background: linear-gradient(135deg, var(--danger), #b23a48);
  border-color: transparent;
  color: #fff;
}

.btn-block { width: 100%; }

.btn-lg { min-height: 56px; font-size: 17px; }

.btn-sm { min-height:48px; padding: 6px 12px; font-size: 13px; }

.btn-row { display: flex; gap: 8px; flex-wrap: wrap; }

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

.btn[disabled], .btn[aria-disabled="true"] { opacity: 0.5; cursor: not-allowed; }

/* ---------- Chips ---------- */

.chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  min-height: 26px;
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 12px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.chip-coin { color: var(--gold); border-color: rgba(255, 204, 77, 0.35); }
.chip-cup { color: var(--ink); }
.chip-rank { color: var(--brand); border-color: rgba(255, 45, 117, 0.4); }

/* ---------- 底部導航 ---------- */

.tabbar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 30;
  max-width: 560px;
  margin: 0 auto;
  display: flex;
  justify-content: space-around;
  gap: 4px;
  padding: 6px 8px calc(6px + env(safe-area-inset-bottom));
  background: rgba(10, 6, 24, 0.9);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border-top: 1px solid var(--hairline);
}

.tab-btn {
  flex: 1 1 0;
  min-height:48px;
  padding: 4px 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  border: 0;
  border-radius: 12px;
  background: transparent;
  color: var(--ink-dim);
  font-size: 11px;
  font-weight: 700;
  transition: color 0.15s ease, background 0.15s ease;
}

.tab-btn .t-ico { font-size: 20px; line-height: 1; }

.tab-btn[aria-current="page"] {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.08);
}

/* ---------- 全螢幕畫面 ---------- */

.screen {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  background: linear-gradient(180deg, var(--bg-0), var(--bg-1) 150%);
  padding:
    calc(env(safe-area-inset-top) + 14px)
    calc(env(safe-area-inset-right) + 16px)
    calc(env(safe-area-inset-bottom) + 16px);
}

.screen > * { width: min(100%, 560px); }

/* ---------- 新手教學 ---------- */

.onboard-card { gap: 12px; padding: 22px 18px; }

.onboard-step {
  color: var(--brand);
  font-weight: 800;
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.08em;
}

.onboard-card h2 { font-size: 22px; font-weight: 900; }

.onboard-body { color: var(--ink-dim); font-size: 14px; }

.onboard-gestures {
  display: flex;
  justify-content: center;
  gap: 16px;
  font-size: 38px;
  padding: 6px 0;
}

.onboard-gestures span { animation: float-y 3s ease-in-out infinite; }
.onboard-gestures span:nth-child(2) { animation-delay: 0.4s; }
.onboard-gestures span:nth-child(3) { animation-delay: 0.8s; }

.name-error { color: var(--danger); font-size: 13px; min-height: 18px; }

/* ---------- 對戰畫面 ---------- */

.battle-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.battle-mode-label { font-weight: 800; font-size: 15px; }

.battle-round-label { color: var(--ink-dim); font-size: 13px; font-variant-numeric: tabular-nums; }

.challenge-banner {
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  background: rgba(255, 204, 77, 0.1);
  border: 1px solid rgba(255, 204, 77, 0.4);
  color: var(--gold);
  font-size: 13px;
  font-weight: 700;
}

.battle-mid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-areas: "left right" "stage stage";
  gap: 8px 12px;
  align-items: center;
}

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

.side-l { grid-area: left; }

.side-r { grid-area: right; align-items: flex-end; text-align: right; }

.side-name { font-weight: 800; font-size: 13px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.dots { display: flex; gap: 6px; }

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: background 0.2s ease, box-shadow 0.2s ease;
}

.dot.is-won { background: var(--brand); border-color: var(--brand); box-shadow: 0 0 8px var(--brand); }

.dot.is-lost { background: var(--danger); border-color: var(--danger); }

/* ---------- 3D 舞台 ---------- */

#stage3d {
  grid-area: stage;
  position: relative;
  height: clamp(200px, 32vh, 300px);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: radial-gradient(120% 90% at 50% 20%, var(--bg-1), var(--bg-0) 78%);
}

#stage3d canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

#battle-countdown {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  z-index: 3;
  font-size: 72px;
  font-weight: 800;
  color: #fff;
  font-variant-numeric: tabular-nums;
  text-shadow: 0 4px 30px var(--brand), 0 0 14px var(--brand-2);
  animation: count-pop 0.28s ease;
}

/* ---------- CSS 後備舞台 ---------- */

#stage3d[data-3d="fallback"] { display: flex; }

.stage-fallback {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12%;
  perspective: 900px;
}

.fb-card {
  position: relative;
  width: clamp(84px, 26%, 120px);
  aspect-ratio: 5 / 7;
  transform-style: preserve-3d;
}

.fb-side {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  border-radius: 14px;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

.fb-back {
  background: linear-gradient(150deg, #2b1a56, #160b30);
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.5), inset 0 0 22px rgba(255, 45, 117, 0.16);
}

.fb-back::after {
  content: "";
  width: 44%;
  aspect-ratio: 1;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-radius: 6px;
  transform: rotate(45deg);
}

.fb-front {
  transform: rotateY(180deg);
  background: linear-gradient(150deg, #241448, #1b1038);
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.5);
  font-size: clamp(34px, 9vw, 46px);
}

.fb-card.is-flipped {
  transform: rotateY(180deg);
  animation: fb-flip 0.55s cubic-bezier(0.2, 0.75, 0.3, 1.15);
}

.fb-card.is-flipped.is-bounce { animation: fb-bounce 0.6s ease; }

.fb-card.is-win .fb-front { box-shadow: 0 0 0 3px var(--mint), 0 0 30px rgba(57, 230, 176, 0.5); }

.fb-card.is-lose .fb-front { box-shadow: 0 0 0 3px var(--danger), 0 0 26px rgba(255, 93, 108, 0.45); filter: saturate(0.75); }

.fb-card.is-draw .fb-front { box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.35); }

.stage-fallback.is-pulse { animation: stage-pulse 0.32s ease; }

.stage-fallback.is-party { animation: stage-party 0.8s ease; }

.stage-fallback.is-shake { animation: shake 0.45s ease; }

/* ---------- 對戰狀態文字 ---------- */

#battle-taunt {
  position: relative;
  max-width: 360px;
  margin: 0 auto;
  padding: 8px 16px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  font-size: 14px;
  text-align: center;
}

#battle-taunt:empty { display: none; }

#battle-combo {
  text-align: center;
  font-weight: 900;
  font-size: 20px;
  color: var(--gold);
  text-shadow: 0 0 16px rgba(255, 204, 77, 0.6);
  animation: combo-pop 0.5s cubic-bezier(0.2, 0.9, 0.3, 1.4);
}

.battle-status {
  text-align: center;
  font-size: 18px;
  font-weight: 800;
  min-height: 26px;
}

.battle-status:empty { visibility: hidden; }

.battle-status[data-outcome="win"], .battle-status[data-outcome="p1"] { color: var(--mint); }

.battle-status[data-outcome="lose"], .battle-status[data-outcome="p2"] { color: var(--danger); }

.battle-status[data-outcome="draw"] { color: var(--ink-dim); }

/* ---------- 96px 手勢掣 ---------- */

.move-buttons {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.move-btn {
  min-height:96px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 6px;
  border-radius: var(--radius-md);
  border: 1px solid var(--accent, rgba(255, 255, 255, 0.14));
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.03));
  color: var(--ink);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.35);
  touch-action: manipulation;
  transition: transform 0.12s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.move-btn[data-move="rock"] { --accent: #ff2d75; }
.move-btn[data-move="paper"] { --accent: #39e6b0; }
.move-btn[data-move="scissors"] { --accent: #7fb3ff; }

.move-btn .move-glyph { font-size: 40px; line-height: 1; }

.move-btn .move-label { font-size: 16px; font-weight: 800; letter-spacing: 0.06em; }

.move-btn:active { transform: scale(0.95); }

.move-btn.is-picked {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent), 0 8px 26px rgba(0, 0, 0, 0.45);
}

.screen-battle .move-buttons[data-locked="true"] .move-btn { opacity: 0.55; }

/* ---------- 交機畫面（不透明，冚住對戰畫面） ---------- */

#screen-handoff {
  z-index: 60;
  justify-content: center;
  background: radial-gradient(130% 90% at 50% 0%, var(--bg-1), var(--bg-0) 85%);
}

.handoff-card {
  gap: 14px;
  padding: 32px 22px;
  text-align: center;
  background: var(--card-solid);
}

.handoff-card h2 { font-size: 22px; font-weight: 900; }

.handoff-hint { color: var(--ink-dim); font-size: 14px; }

.handoff-score {
  font-size: 40px;
  font-weight: 900;
  font-variant-numeric: tabular-nums;
  background: linear-gradient(90deg, var(--brand), var(--brand-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- 結果畫面 ---------- */

.screen-result, .screen-pvpresult { justify-content: center; }

.result-card {
  gap: 12px;
  padding: 26px 20px;
  text-align: center;
  background: var(--card-solid);
}

.result-card h2 { font-size: 26px; font-weight: 900; }

.result-sub { color: var(--ink-dim); font-size: 14px; }

.result-score {
  font-size: 46px;
  font-weight: 900;
  font-variant-numeric: tabular-nums;
  background: linear-gradient(90deg, var(--brand), var(--brand-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.result-list { display: flex; flex-direction: column; gap: 4px; text-align: left; }

.result-list li {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-size: 13px;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  font-variant-numeric: tabular-nums;
}

.result-levelup { color: var(--gold); font-weight: 800; font-size: 15px; }

.result-unlocks { display: flex; flex-direction: column; gap: 4px; }

.result-unlocks li { color: var(--mint); font-size: 13px; font-weight: 700; }

.pvp-note { color: var(--ink-dim); font-size: 12px; }

.pvp-rounds { width: 100%; border-collapse: collapse; font-size: 14px; }

.pvp-rounds th, .pvp-rounds td {
  padding: 8px 6px;
  text-align: center;
  border-bottom: 1px solid var(--hairline);
  font-variant-numeric: tabular-nums;
}

.pvp-rounds th { color: var(--ink-dim); font-weight: 700; font-size: 12px; }

.pvp-rounds td.glyph { font-size: 20px; }

/* ---------- 蓋板 ---------- */

.overlay {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(8, 5, 20, 0.78);
}

.overlay .sheet {
  width: min(420px, 100%);
  gap: 12px;
  padding: 22px 18px;
  background: var(--card-solid);
  text-align: center;
}

.overlay .sheet h2 { font-size: 20px; font-weight: 900; }

.levelup-level {
  font-size: 44px;
  font-weight: 900;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.levelup-coins { color: var(--ink-dim); font-size: 14px; }

.confirm-text { color: var(--ink-dim); font-size: 14px; }

/* ---------- Toast 同錯誤橫額 ---------- */

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(env(safe-area-inset-bottom) + 88px);
  transform: translateX(-50%) translateY(10px);
  z-index: 90;
  max-width: min(92vw, 380px);
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--card-solid);
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.5);
  font-size: 13px;
  font-weight: 700;
  text-align: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.toast.is-show { opacity: 1; transform: translateX(-50%) translateY(0); }

.error-banner {
  position: fixed;
  left: 50%;
  top: calc(env(safe-area-inset-top) + 10px);
  transform: translateX(-50%);
  z-index: 95;
  max-width: min(92vw, 420px);
  padding: 10px 14px;
  border-radius: 12px;
  background: var(--danger);
  color: #fff;
  font-weight: 700;
  font-size: 13px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

/* ---------- 螢幕讀取器專用 ---------- */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* ---------- 共用動畫 ---------- */

@keyframes float-y {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes count-pop {
  0% { transform: scale(0.4); opacity: 0; }
  60% { transform: scale(1.18); opacity: 1; }
  100% { transform: scale(1); opacity: 1; }
}

@keyframes fb-flip {
  from { transform: rotateY(0deg); }
  to { transform: rotateY(180deg); }
}

@keyframes fb-bounce {
  0%, 100% { transform: translateY(0) rotateY(180deg); }
  40% { transform: translateY(-14px) rotateY(180deg); }
}

@keyframes stage-pulse {
  0% { transform: scale(1); filter: brightness(1); }
  40% { transform: scale(1.03); filter: brightness(1.35); }
  100% { transform: scale(1); filter: brightness(1); }
}

@keyframes stage-party {
  0%, 100% { transform: scale(1); }
  30% { transform: scale(1.05) rotate(-1.5deg); }
  60% { transform: scale(1.05) rotate(1.5deg); }
}

@keyframes combo-pop {
  0% { transform: scale(0.4); opacity: 0; }
  60% { transform: scale(1.15); opacity: 1; }
  100% { transform: scale(1); opacity: 1; }
}

@keyframes shake {
  10%, 90% { transform: translateX(-2px); }
  20%, 80% { transform: translateX(3px); }
  30%, 50%, 70% { transform: translateX(-5px); }
  40%, 60% { transform: translateX(5px); }
}

.is-shake { animation: shake 0.45s ease; }

/* ---------- Hover（淨係支援 hover 嘅裝置先生效） ---------- */

@media (hover: hover) {
  .btn:hover { filter: brightness(1.1); }

  .card:hover { border-color: rgba(255, 255, 255, 0.16); }

  .move-btn:hover { transform: translateY(-2px); border-color: var(--accent); }

  .tier-item:hover:not(.is-locked) { border-color: var(--brand); }

  .shop-tab:hover { color: var(--ink); }

  .tab-btn:hover { color: var(--ink); }

  .quest-card:hover, .ach-card:hover, .shop-card:hover { border-color: rgba(255, 255, 255, 0.18); }
}

/* ---------- 闊螢幕 ---------- */

@media (min-width: 720px) {
  #app { padding-inline: 24px; }

  .card { padding: 18px; }

  .move-buttons { gap: 14px; }

  #stage3d { height: clamp(220px, 36vh, 320px); }

  .view-head h2 { font-size: 24px; }

  .onboard-card, .result-card { padding-inline: 30px; }
}

/* ---------- 橫向兼矮畫面 ---------- */

@media (orientation: landscape) and (max-height: 560px) {
  #app { padding-top: calc(env(safe-area-inset-top) + 6px); }

  .topbar { padding-bottom: 8px; gap: 4px; }

  .xp-line { display: none; }

  .tb-name { font-size: 13px; }

  .chip { font-size: 11px; min-height: 22px; }

  .screen { gap: 8px; padding-top: calc(env(safe-area-inset-top) + 8px); }

  .battle-mid {
    grid-template-columns: minmax(88px, 1fr) minmax(0, 2.4fr) minmax(88px, 1fr);
    grid-template-areas: "left stage right";
    align-items: center;
  }

  #stage3d { height: clamp(150px, 42vh, 250px); }

  .move-btn { padding-block: 6px; }

  .move-btn .move-glyph { font-size: 30px; }

  .move-btn .move-label { font-size: 13px; }

  .battle-taunt { font-size: 13px; padding: 5px 12px; }

  .onboard-card, .handoff-card, .result-card { padding-block: 16px; }
}

/* ---------- 減少動效 ---------- */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

html[data-motion=reduced] *,
html[data-motion=reduced] *::before,
html[data-motion=reduced] *::after {
  animation-duration: 0.001ms !important;
  animation-iteration-count: 1 !important;
  transition-duration: 0.001ms !important;
  scroll-behavior: auto !important;
}

/* ---------- 焦點樣式 ---------- */

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

:focus:not(:focus-visible) {
  outline: none;
}