/* 星核競技場 v4.0 — 樣式
   桌機（≥ 900px）：對戰頁兩位角色站在左右兩側、題目在中央；
   手機（< 900px）：角色縮成上方兩張對戰卡，主要空間留給題目與答案。 */
:root {
  --bg: #0b141b; --bg2: #101c25; --panel: #13232d; --panel2: #182b36;
  --ink: #f4f0e5; --muted: #9daeb5; --line: rgba(218, 195, 147, .22);
  --gold: #d6bc87; --gold-dark: #aa8b57; --blue: #a8d9e9; --blue-dark: #5f9db4;
  --good: #8fd3a3; --bad: #ef9a9a; --warn: #f2c766;
  --me: var(--gold); --rival: var(--blue);
  --serif: 'Noto Serif TC', 'Noto Serif CJK TC', 'Songti TC', 'PMingLiU', Georgia, serif;
  --sans: 'Noto Sans TC', 'Noto Sans CJK TC', 'PingFang TC', 'Microsoft JhengHei', system-ui, sans-serif;
  --radius: 14px; --shadow: 0 18px 50px rgba(0, 0, 0, .45);
}
body[data-palette="starcore_blue"] { --me: #7fd0ea; --gold: #9ad8ee; --gold-dark: #4f98b6; --line: rgba(127, 208, 234, .28); }
body[data-palette="aurora_violet"] { --me: #c9a6ff; --gold: #c9a6ff; --gold-dark: #8a63d6; --line: rgba(201, 166, 255, .28); }
body[data-palette="golden_observer"] { --me: #ffd77a; --gold: #ffd77a; --gold-dark: #c99a2e; --line: rgba(255, 215, 122, .34); }

* { box-sizing: border-box; }
html { color-scheme: dark; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--sans); font-size: 15px; line-height: 1.7; min-height: 100vh; display: flex; flex-direction: column; }
button, input, select { font: inherit; }
button { cursor: pointer; color: inherit; border: 0; background: none; -webkit-tap-highlight-color: transparent; }
button:disabled { cursor: default; opacity: .55; }
a { color: var(--blue); text-decoration: none; }
img { max-width: 100%; display: block; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { font-family: var(--serif); font-weight: 700; letter-spacing: .02em; }
h1 { font-size: clamp(28px, 4vw, 42px); line-height: 1.25; }
h2 { font-size: 22px; line-height: 1.4; }
h3 { font-size: 18px; }
.subtle { color: var(--muted); }
.skip { position: absolute; left: -999px; top: 8px; background: var(--gold); color: #000; padding: 6px 12px; border-radius: 8px; z-index: 50; }
.skip:focus { left: 8px; }
.svg-defs { position: absolute; width: 0; height: 0; }
.ic { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; }

/* ── 頂欄 ── */
.topbar { display: flex; align-items: center; gap: 18px; padding: 10px clamp(14px, 3vw, 32px); border-bottom: 1px solid var(--line); background: rgba(11, 20, 27, .85); backdrop-filter: blur(12px); position: sticky; top: 0; z-index: 20; }
.brand { display: flex; align-items: center; gap: 10px; color: inherit; }
.brand-mark { width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--gold); display: grid; place-items: center; color: var(--gold); }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text b { font-family: var(--serif); font-size: 17px; letter-spacing: .06em; }
.brand-text small { color: var(--muted); font-size: 11px; }
.topbar nav { display: flex; gap: 2px; margin-left: 6px; }
.topbar nav button { padding: 8px 12px; border-radius: 999px; color: var(--muted); }
.topbar nav button.active, .topbar nav button:hover { color: var(--ink); background: rgba(255, 255, 255, .06); }
.top-actions { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.icon-button { width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center; color: var(--muted); border: 1px solid transparent; }
.icon-button:hover, .icon-button[aria-pressed="true"] { color: var(--gold); border-color: var(--line); }
.user-chip { display: flex; align-items: center; gap: 8px; padding: 4px 12px 4px 4px; border-radius: 999px; border: 1px solid var(--line); background: var(--panel); }
.user-chip img { width: 30px; height: 30px; border-radius: 50%; object-fit: cover; }
.user-chip span { display: flex; flex-direction: column; line-height: 1.15; text-align: left; }
.user-chip small { color: var(--muted); font-size: 11px; }
main { flex: 1; width: 100%; }
.page { max-width: 1180px; margin: 0 auto; padding: 24px clamp(14px, 3vw, 32px) 56px; }
.page-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 18px; flex-wrap: wrap; margin-bottom: 20px; }
.footer { border-top: 1px solid var(--line); padding: 18px clamp(14px, 3vw, 32px); display: flex; flex-wrap: wrap; gap: 8px 20px; color: var(--muted); font-size: 13px; }
.footer-links { display: flex; gap: 14px; flex-wrap: wrap; }
.footer-links button, .footer-links a { color: var(--muted); padding: 0; }
.footer-links button:hover, .footer-links a:hover { color: var(--ink); }
.version { margin-left: auto; }

/* ── 按鈕與表單 ── */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 18px; border-radius: 999px; border: 1px solid var(--line); background: var(--panel2); color: var(--ink); font-weight: 500; transition: transform .12s ease, background .15s ease; }
.btn:hover:not(:disabled) { transform: translateY(-1px); background: #1f3542; }
.btn.primary { background: linear-gradient(135deg, var(--gold), var(--gold-dark)); color: #1a1407; border-color: transparent; }
.btn.primary:hover:not(:disabled) { background: linear-gradient(135deg, #e6cd9b, var(--gold-dark)); }
.btn.glass { background: rgba(255, 255, 255, .06); }
.btn.ghost { background: transparent; }
.btn.link { background: none; border: 0; color: var(--blue); padding: 6px 8px; }
.btn.link.inline { padding: 0 2px; display: inline; }
.btn.large { padding: 14px 26px; font-size: 16px; }
.btn.small { padding: 6px 12px; font-size: 13px; }
.btn.full { width: 100%; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-top: 14px; }
.row.center { justify-content: center; }
.field { display: flex; flex-direction: column; gap: 6px; margin: 10px 0; font-weight: 500; }
.field small { color: var(--muted); font-weight: 400; font-size: 12px; }
.field input, .field select, .copy-field { width: 100%; padding: 11px 14px; border-radius: 10px; border: 1px solid var(--line); background: var(--bg2); color: var(--ink); font-weight: 400; }
.field input[readonly] { color: var(--muted); }
.form-note { color: var(--muted); font-size: 13px; margin-top: 10px; }
.form-error { color: var(--bad); min-height: 1.4em; font-size: 14px; }
.narrow { max-width: 420px; }
.chip { padding: 6px 12px; border-radius: 999px; border: 1px solid var(--line); color: var(--muted); font-size: 13px; }
.chip.active { background: var(--panel2); color: var(--ink); border-color: var(--gold); }
.filter-row { display: flex; gap: 8px; flex-wrap: wrap; margin: 16px 0 10px; }

/* ── 對話框與提示 ── */
dialog { background: var(--panel); color: var(--ink); border: 1px solid var(--line); border-radius: 18px; padding: 28px 26px; width: min(560px, calc(100vw - 24px)); max-height: calc(100vh - 32px); overflow: auto; box-shadow: var(--shadow); }
dialog.wide { width: min(760px, calc(100vw - 24px)); }
dialog::backdrop { background: rgba(4, 10, 14, .72); backdrop-filter: blur(4px); }
.dialog-close { position: absolute; right: 10px; top: 10px; }
dialog h2 { margin-bottom: 6px; }
#toast { position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 20px); background: var(--panel2); border: 1px solid var(--line); color: var(--ink); padding: 10px 18px; border-radius: 999px; opacity: 0; pointer-events: none; transition: .25s; z-index: 60; max-width: calc(100vw - 32px); text-align: center; }
#toast.show { opacity: 1; transform: translate(-50%, 0); }
#toast.ok { border-color: var(--good); }
#toast.error { border-color: var(--bad); }
.brand-line { display: inline-block; color: var(--gold); font-size: 13px; letter-spacing: .12em; margin-bottom: 8px; }

/* ── 登入 ── */
.login-card { display: grid; grid-template-columns: 1.1fr 1fr; border: 1px solid var(--line); border-radius: 22px; overflow: hidden; background: var(--panel); max-width: 980px; margin: 10px auto; box-shadow: var(--shadow); }
.login-art { min-height: 360px; background-size: cover; background-position: center; position: relative; display: flex; align-items: flex-end; }
.login-art::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(11, 20, 27, .05), rgba(11, 20, 27, .85)); }
.login-art-copy { position: relative; z-index: 1; padding: 28px; }
.login-art-copy p { color: var(--muted); margin-top: 8px; }
.login-form { padding: 32px 30px; }
.login-form h2 { margin-bottom: 4px; }

/* ── 大廳 ── */
.hero { position: relative; display: grid; grid-template-columns: 1.2fr .8fr; gap: 20px; align-items: end; min-height: 440px; border-radius: 24px; overflow: hidden; padding: 36px; background-image: var(--scene); background-size: cover; background-position: center; border: 1px solid var(--line); }
.hero::before { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(11, 20, 27, .92) 0%, rgba(11, 20, 27, .55) 55%, rgba(11, 20, 27, .2) 100%); }
.hero > * { position: relative; }
.hero-copy h1 { font-size: clamp(34px, 5vw, 56px); }
.hero-copy p { max-width: 42ch; color: #d9d4c7; margin-top: 12px; }
.hero-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 22px; }
.reward-meter { display: inline-flex; align-items: center; gap: 12px; margin-top: 18px; padding: 8px 14px; border-radius: 12px; background: rgba(0, 0, 0, .35); border: 1px solid var(--line); }
.reward-meter b { font-size: 20px; color: var(--gold); }
.reward-meter i { font-style: normal; color: var(--muted); font-size: 13px; }
.reward-meter.spent b { color: var(--muted); }
.hero-character { justify-self: end; display: flex; flex-direction: column; align-items: center; gap: 8px; }
.hero-character img { width: min(300px, 32vw); aspect-ratio: 3 / 4; object-fit: cover; object-position: top; border-radius: 160px 160px 18px 18px; border: 2px solid var(--line); box-shadow: var(--shadow); }
.hero-character-name { display: flex; flex-direction: column; align-items: center; line-height: 1.3; text-shadow: 0 1px 8px rgba(0, 0, 0, .9); }
.hero-character-name b { font-family: var(--serif); font-size: 18px; }
.hero-character-name small { color: var(--muted); }
.lobby-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 18px; }
.tile { text-align: left; padding: 18px; border-radius: 16px; border: 1px solid var(--line); background: var(--panel); display: flex; flex-direction: column; gap: 6px; }
.tile:hover { background: var(--panel2); }
.tile-kicker { color: var(--gold); font-size: 13px; }
.tile p { color: var(--muted); font-size: 13px; }
.rules { margin-top: 28px; border-top: 1px solid var(--line); padding-top: 20px; }
.rules ol { padding-left: 20px; color: #d9d4c7; margin: 10px 0 0; }
.rules li { margin: 6px 0; }
.rules li b { color: var(--ink); margin-right: 6px; }

/* ── 角色選擇 ── */
.character-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 10px 0; }
.character-grid.compact { grid-template-columns: repeat(3, 1fr); }
.character-choice { position: relative; display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 8px; border-radius: 12px; border: 1px solid var(--line); cursor: pointer; }
.character-choice input { position: absolute; opacity: 0; }
.character-choice img { width: 72px; height: 72px; border-radius: 50%; object-fit: cover; object-position: top; }
.character-choice span { text-align: center; line-height: 1.2; }
.character-choice small { color: var(--muted); font-size: 11px; }
.character-choice:has(input:checked) { border-color: var(--gold); background: rgba(214, 188, 135, .1); }

/* ── 場景選擇 ── */
.scene-picker { border: 1px solid var(--line); border-radius: 14px; padding: 12px 14px 14px; margin: 12px 0; }
.scene-picker legend { padding: 0 6px; color: var(--gold); }
.scene-preview { margin: 0 0 10px; border-radius: 10px; overflow: hidden; position: relative; }
.scene-preview img { aspect-ratio: 16 / 7; object-fit: cover; width: 100%; }
.scene-preview figcaption { position: absolute; left: 12px; bottom: 10px; right: 12px; display: flex; flex-direction: column; text-shadow: 0 1px 8px #000; }
.scene-preview figcaption b { font-family: var(--serif); font-size: 18px; }
.scene-preview figcaption span { font-size: 12px; color: #e8e3d6; }
.scene-options { display: grid; grid-template-columns: repeat(auto-fill, minmax(108px, 1fr)); gap: 8px; }
.scene-option { position: relative; border-radius: 10px; overflow: hidden; cursor: pointer; border: 2px solid transparent; }
.scene-option input { position: absolute; opacity: 0; }
.scene-option img { aspect-ratio: 16 / 9; object-fit: cover; width: 100%; }
.scene-option span { position: absolute; left: 0; right: 0; bottom: 0; padding: 4px 8px; font-size: 12px; background: linear-gradient(transparent, rgba(0, 0, 0, .85)); }
.scene-option:has(input:checked) { border-color: var(--gold); }
.scene-gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.scene-card { position: relative; text-align: left; border-radius: 16px; overflow: hidden; border: 1px solid var(--line); background: var(--panel); }
.scene-card img { aspect-ratio: 16 / 9; object-fit: cover; width: 100%; }
.scene-card span { display: block; padding: 12px 14px; }
.scene-card span b { font-family: var(--serif); font-size: 17px; display: block; }
.scene-card span small { color: var(--gold); }
.scene-card span p { color: var(--muted); font-size: 13px; margin-top: 4px; }
.scene-card i { position: absolute; top: 10px; left: 10px; font-style: normal; background: var(--gold); color: #000; padding: 2px 10px; border-radius: 999px; font-size: 12px; }
.scene-card.active { border-color: var(--gold); }

/* ── 候戰室 ── */
.room { position: relative; }
.room::before { content: ''; position: fixed; inset: 0; z-index: -1; background-image: var(--scene); background-size: cover; background-position: center; opacity: .28; }
.room-head { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; align-items: flex-end; }
.room-code { display: flex; flex-direction: column; align-items: flex-end; }
.room-code span { color: var(--muted); font-size: 12px; }
.room-code b { font-family: var(--serif); font-size: 34px; letter-spacing: .18em; color: var(--gold); line-height: 1.1; }
.net { font-size: 12px; margin: 8px 0 0; }
.net.ok { color: var(--good); }
.net.bad { color: var(--warn); }
.net::before { content: '●'; margin-right: 6px; }
.reward-banner { margin: 14px 0 18px; padding: 12px 16px; border-radius: 12px; border: 1px solid var(--line); background: rgba(19, 35, 45, .85); display: flex; flex-direction: column; gap: 2px; }
.reward-banner.on { border-color: var(--gold); }
.reward-banner.on b { color: var(--gold); }
.reward-banner small { color: var(--muted); }
.seats { display: grid; grid-template-columns: 1fr auto 1fr; gap: 18px; align-items: center; }
.seat { border-radius: 18px; border: 1px solid var(--line); background: rgba(19, 35, 45, .85); overflow: hidden; display: grid; grid-template-rows: auto auto; }
.seat.me { border-color: var(--me); }
.seat.rival { border-color: var(--rival); }
.seat-portrait { aspect-ratio: 4 / 3; overflow: hidden; position: relative; background: #0d1a22; display: grid; place-items: center; }
.seat-portrait img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.seat-wait { color: var(--muted); }
.seat-info { padding: 12px 16px 16px; display: flex; flex-direction: column; gap: 4px; }
.seat-info b { font-family: var(--serif); font-size: 20px; }
.seat.me .seat-info b::after { content: '你'; font-family: var(--sans); font-size: 11px; color: #1a1407; background: var(--me); border-radius: 999px; padding: 1px 8px; margin-left: 8px; vertical-align: 3px; }
.seat-info small { color: var(--muted); }
.ready-pill { align-self: flex-start; margin-top: 6px; padding: 3px 12px; border-radius: 999px; border: 1px solid var(--line); font-size: 13px; color: var(--muted); }
.ready-pill.on { border-color: var(--good); color: var(--good); }
.guardian-mark { position: absolute; top: 10px; right: 10px; width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; background: rgba(214, 188, 135, .9); color: #000; }
.versus { text-align: center; display: flex; flex-direction: column; }
.versus b { font-family: var(--serif); font-size: 34px; color: var(--gold); letter-spacing: .1em; }
.versus small { color: var(--muted); }
.room-scene { display: flex; align-items: center; gap: 12px; margin-top: 18px; padding: 10px; border-radius: 12px; border: 1px solid var(--line); background: rgba(19, 35, 45, .85); }
.room-scene img { width: 96px; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 8px; }
.room-scene span { display: flex; flex-direction: column; flex: 1; }
.room-scene small { color: var(--muted); font-size: 12px; }
.room-actions { display: flex; justify-content: center; align-items: center; gap: 14px; margin-top: 22px; flex-wrap: wrap; }

/* ── 對戰 ── */
.match { position: relative; max-width: 1280px; padding-top: 14px; }
.match::before { content: ''; position: fixed; inset: 0; z-index: -1; background-image: var(--scene); background-size: cover; background-position: center; opacity: .35; }
.match-top { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.match-meta { color: var(--muted); font-size: 13px; }
.duel { display: grid; grid-template-columns: minmax(180px, 260px) minmax(0, 1fr) minmax(180px, 260px); gap: 22px; align-items: end; margin-top: 10px; }
.duelist { display: flex; flex-direction: column; align-items: center; gap: 10px; }
.duelist-portrait { position: relative; width: 100%; aspect-ratio: 3 / 4; border-radius: 140px 140px 16px 16px; overflow: hidden; border: 2px solid var(--line); background: #0d1a22; box-shadow: var(--shadow); }
.duelist-portrait img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.duelist.me .duelist-portrait { border-color: var(--me); }
.duelist.rival .duelist-portrait { border-color: var(--rival); }
.duelist.right .duelist-portrait img { transform: scaleX(-1); }
.duelist-card { width: 100%; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 10px; padding: 8px 10px; border-radius: 14px; border: 1px solid var(--line); background: rgba(19, 35, 45, .9); }
.duelist.me .duelist-card { border-color: var(--me); }
.duelist.rival .duelist-card { border-color: var(--rival); }
.duelist-thumb { width: 42px; height: 42px; border-radius: 50%; object-fit: cover; object-position: top; display: none; }
.duelist-meta { display: flex; flex-direction: column; line-height: 1.2; min-width: 0; }
.duelist-meta b { font-family: var(--serif); font-size: 16px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.duelist.me .duelist-card::before { content: '你'; position: absolute; top: -9px; left: 12px; font-size: 11px; line-height: 1.4; color: #1a1407; background: var(--me); border-radius: 999px; padding: 0 8px; }
.duelist-card { position: relative; }
.duelist-meta small { color: var(--muted); font-size: 12px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.duelist-score { display: flex; flex-direction: column; align-items: flex-end; line-height: 1.1; }
.duelist-score strong { font-family: var(--serif); font-size: 26px; color: var(--gold); }
.duelist.rival .duelist-score strong { color: var(--rival); }
.duelist-score span { font-size: 11px; color: var(--muted); }
.altar { min-width: 0; }
.altar-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.round-no { color: var(--muted); }
.round-no b { color: var(--ink); font-family: var(--serif); font-size: 22px; }
.timer { --progress: 360deg; width: 64px; height: 64px; border-radius: 50%; display: grid; place-items: center; position: relative; background: conic-gradient(var(--gold) var(--progress), rgba(255, 255, 255, .08) 0); }
.timer::before { content: ''; position: absolute; inset: 5px; border-radius: 50%; background: var(--panel); }
.timer b, .timer small { position: relative; line-height: 1; }
.timer b { font-family: var(--serif); font-size: 22px; }
.timer small { font-size: 10px; color: var(--muted); }
.timer.urgent { background: conic-gradient(var(--bad) var(--progress), rgba(255, 255, 255, .08) 0); }
.timer.urgent b { color: var(--bad); }
.progress { height: 4px; border-radius: 4px; background: rgba(255, 255, 255, .08); overflow: hidden; margin-bottom: 12px; }
.progress span { display: block; height: 100%; background: var(--gold); transition: width .4s ease; }
.question-card { border-radius: 20px; border: 1px solid var(--line); background: rgba(16, 28, 37, .93); padding: 22px 24px; box-shadow: var(--shadow); }
.q-label { display: flex; gap: 10px; align-items: baseline; flex-wrap: wrap; color: var(--gold); font-size: 13px; margin-bottom: 8px; }
.q-label em { font-style: normal; color: var(--muted); }
.q-stem { font-size: 19px; line-height: 1.75; font-family: var(--serif); }
.q-stem.waiting { color: var(--muted); text-align: center; padding: 40px 0; }
.q-figures { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 12px; }
.q-fig { margin: 0; background: #fff; border-radius: 10px; padding: 6px; max-width: 100%; }
.q-fig img { max-height: 300px; width: auto; max-width: 100%; }
.q-fig.diagram-medium img { max-width: 420px; }
.q-fig.diagram-text img, .q-fig.diagram-big img { max-height: none; }
.q-fig.fig-missing { display: none; }
.q-table-wrap { overflow: auto; margin-top: 12px; }
.q-table { border-collapse: collapse; font-size: 14px; }
.q-table th, .q-table td { border: 1px solid var(--line); padding: 6px 10px; text-align: left; }
.answers { display: grid; gap: 10px; margin-top: 18px; }
.answer { display: grid; grid-template-columns: 38px 1fr; align-items: center; gap: 12px; text-align: left; padding: 12px 14px; border-radius: 14px; border: 1px solid var(--line); background: rgba(255, 255, 255, .04); font-size: 16px; line-height: 1.5; transition: background .12s ease, border-color .12s ease; }
.answer:hover:not(:disabled) { background: rgba(214, 188, 135, .12); border-color: var(--gold); }
.answer .letter { width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center; border: 1px solid var(--line); font-family: var(--serif); font-weight: 700; }
.answer.selected { border-color: var(--gold); background: rgba(214, 188, 135, .14); }
.answer.selected .letter { background: var(--gold); color: #1a1407; }
.answer.correct { border-color: var(--good); background: rgba(143, 211, 163, .14); }
.answer.correct .letter { background: var(--good); color: #0b1d12; }
.answer.incorrect { border-color: var(--bad); background: rgba(239, 154, 154, .12); }
.answer.incorrect .letter { background: var(--bad); color: #2a0b0b; }
.answer:disabled { opacity: 1; }
.answer:disabled:not(.selected):not(.correct):not(.incorrect) { opacity: .6; }
.answer-hint { color: var(--muted); font-size: 13px; margin-top: 12px; }
.feedback { margin-top: 14px; padding: 14px 16px; border-radius: 12px; border: 1px solid var(--line); background: rgba(255, 255, 255, .04); }
.feedback.good { border-color: var(--good); }
.feedback.bad { border-color: var(--bad); }
.feedback > b { display: block; font-family: var(--serif); font-size: 17px; }
.feedback small { color: var(--muted); display: block; margin-top: 8px; }
.explain { margin-top: 8px; color: #d9d4c7; line-height: 1.8; }
.countdown { position: fixed; inset: 0; display: grid; place-content: center; justify-items: center; background: rgba(5, 12, 17, .72); z-index: 30; text-align: center; }
.countdown small { color: var(--gold); letter-spacing: .3em; }
.countdown b { font-family: var(--serif); font-size: 140px; line-height: 1; color: var(--ink); }
.countdown span { color: var(--muted); }
.sqrt { display: inline-flex; align-items: stretch; }
.sqrt-sign { font-style: normal; }
.sqrt-rad { border-top: 1px solid currentColor; padding: 0 2px; }
.math-raw { color: var(--warn); }

/* ── 結算 ── */
.result { position: relative; }
.result::before { content: ''; position: fixed; inset: 0; z-index: -1; background-image: var(--scene); background-size: cover; background-position: center; opacity: .22; }
.result-head { text-align: center; }
.result-scores { display: flex; justify-content: center; align-items: center; gap: 26px; margin: 18px 0 8px; }
.result-scores > div { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.result-scores img { width: 80px; height: 80px; border-radius: 50%; object-fit: cover; object-position: top; border: 2px solid var(--line); }
.result-scores .winner img { border-color: var(--gold); box-shadow: 0 0 24px rgba(214, 188, 135, .5); }
.result-scores b { font-family: var(--serif); font-size: 34px; }
.result-scores em { font-style: normal; font-family: var(--serif); color: var(--gold); letter-spacing: .2em; }
.reward-panel { max-width: 640px; margin: 20px auto 0; padding: 18px 20px; border-radius: 18px; border: 1px solid var(--line); background: rgba(19, 35, 45, .9); text-align: center; }
.reward-reason { color: var(--gold); }
.reward-stats { display: flex; justify-content: center; gap: 30px; margin: 10px 0; }
.reward-stats span { display: flex; flex-direction: column; color: var(--muted); font-size: 13px; }
.reward-stats b { font-family: var(--serif); font-size: 24px; color: var(--ink); }
.reward-item { display: inline-flex; align-items: center; gap: 14px; padding: 10px 18px 10px 10px; border-radius: 999px; border: 1px solid var(--gold); background: rgba(214, 188, 135, .1); margin-top: 6px; }
.reward-item .chest img { width: 56px; }
.reward-item span { display: flex; flex-direction: column; text-align: left; line-height: 1.2; }
.reward-item small { color: var(--muted); }
.unlocked { margin-top: 10px; display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; }
.unlocked span { padding: 4px 12px; border-radius: 999px; background: rgba(214, 188, 135, .18); color: var(--gold); font-size: 13px; }
.review { margin-top: 32px; }
.review-filter { display: flex; gap: 8px; margin: 12px 0; }
.review-item { border: 1px solid var(--line); border-radius: 12px; background: rgba(19, 35, 45, .9); margin-bottom: 10px; }
.review-item summary { display: grid; grid-template-columns: 34px 1fr auto; gap: 10px; align-items: center; padding: 12px 14px; cursor: pointer; list-style: none; }
.review-item summary::-webkit-details-marker { display: none; }
.review-no { width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; background: rgba(255, 255, 255, .06); font-family: var(--serif); }
.review-item.ng .review-no { background: rgba(239, 154, 154, .2); color: var(--bad); }
.review-item.ok .review-no { background: rgba(143, 211, 163, .18); color: var(--good); }
.review-stem { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.review-item summary b { color: var(--muted); font-weight: 500; font-size: 13px; }
.review-body { padding: 0 16px 16px 58px; }
.review-body .q-stem { font-size: 16px; }
.review-options { list-style: none; padding: 0; margin: 10px 0 0; display: grid; gap: 6px; }
.review-options li { display: grid; grid-template-columns: 28px 1fr; gap: 8px; align-items: center; padding: 6px 10px; border-radius: 8px; border: 1px solid transparent; }
.review-options li .letter { width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; border: 1px solid var(--line); font-size: 13px; }
.review-options li.correct { border-color: var(--good); }
.review-options li.correct .letter { background: var(--good); color: #0b1d12; }
.review-options li.incorrect { border-color: var(--bad); }
.review-options li.incorrect .letter { background: var(--bad); color: #2a0b0b; }

/* ── 物品與背包 ── */
.item-art { --rc: #a7b4c4; display: inline-grid; place-items: center; border-radius: 14px; background: radial-gradient(circle at 50% 30%, color-mix(in srgb, var(--rc) 35%, #0d1a22), #0d1a22 75%); border: 1px solid color-mix(in srgb, var(--rc) 60%, transparent); position: relative; overflow: hidden; }
.item-art.sm { width: 54px; height: 54px; border-radius: 10px; }
.item-art.md { width: 96px; height: 96px; }
.item-art.xl { width: 160px; height: 160px; border-radius: 24px; margin: 8px auto 14px; box-shadow: 0 0 40px color-mix(in srgb, var(--rc) 45%, transparent); }
.gear-art { width: 88%; height: 88%; background-size: 600% 600%; background-repeat: no-repeat; filter: drop-shadow(0 4px 10px rgba(0,0,0,.45)); }
.rar-sym { position: absolute; right: 8%; bottom: 4%; font-family: var(--serif); font-size: 14px; color: var(--rc); text-shadow: 0 1px 4px #000; }
.item-art.sm .rar-sym { font-size: 10px; }
.glyph-art { display: grid; place-items: center; color: var(--rc); position: relative; width: 100%; height: 100%; }
.glyph-art svg { width: 48%; height: 48%; fill: none; stroke: currentColor; stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; opacity: .9; }
.glyph-art b { position: absolute; right: 10%; bottom: 6%; font-family: var(--serif); font-size: 15px; opacity: .85; }
.item-art.sm .glyph-art b { font-size: 11px; }
.rarity-tag { display: inline-block; padding: 1px 10px; border-radius: 999px; font-size: 12px; background: color-mix(in srgb, var(--rc) 25%, transparent); color: var(--rc); border: 1px solid color-mix(in srgb, var(--rc) 50%, transparent); }
.wallet { display: flex; gap: 18px; }
.wallet span { display: flex; flex-direction: column; align-items: flex-end; color: var(--muted); font-size: 12px; }
.wallet b { font-family: var(--serif); font-size: 24px; color: var(--gold); }
.role-tabs { display: flex; gap: 6px; overflow-x: auto; padding-bottom: 6px; scrollbar-width: thin; }
.role-tab { flex: 0 0 auto; display: flex; flex-direction: column; align-items: center; gap: 2px; padding: 8px 10px 6px; border-radius: 12px; border: 1px solid transparent; color: var(--muted); min-width: 84px; }
.role-tab img { width: 44px; height: 44px; border-radius: 50%; object-fit: cover; object-position: top; }
.role-tab span { color: var(--ink); font-size: 13px; }
.role-tab small { font-size: 11px; }
.role-tab.active { border-color: var(--gold); background: var(--panel); }
.backpack-layout { display: grid; grid-template-columns: 300px 1fr; gap: 22px; margin-top: 16px; align-items: start; }
.paperdoll { border-radius: 18px; overflow: hidden; border: 1px solid var(--line); background: var(--panel); position: sticky; top: 76px; }
.paperdoll > img { aspect-ratio: 3 / 4; object-fit: cover; object-position: top; width: 100%; }
.paperdoll-copy { padding: 14px 16px 16px; display: flex; flex-direction: column; gap: 6px; }
.paperdoll-copy b { font-family: var(--serif); font-size: 20px; }
.equipped-list { display: flex; flex-wrap: wrap; gap: 6px; margin: 6px 0; }
.equipped-chip { padding: 2px 10px; border-radius: 999px; border: 1px solid var(--rc); color: var(--rc); font-size: 12px; }
.slot-grid { display: grid; grid-template-columns: repeat(9, 1fr); gap: 6px; }
.slot { position: relative; aspect-ratio: 1; border-radius: 10px; border: 1px solid var(--line); background: var(--panel); display: grid; place-items: center; padding: 2px; }
.slot.has { border-color: var(--rc); }
.slot .item-art.sm { width: 100%; height: 100%; }
.slot-ph { font-size: 10px; color: var(--muted); text-align: center; line-height: 1.2; padding: 2px; }
.slot i.on { position: absolute; top: -4px; right: -4px; font-style: normal; font-size: 10px; background: var(--gold); color: #000; border-radius: 999px; padding: 0 5px; }
.item-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
.item-card { display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 12px 10px; border-radius: 14px; border: 1px solid var(--line); background: var(--panel); text-align: center; }
.item-card:hover { border-color: var(--rc); }
.item-card small { color: var(--rc); font-size: 12px; }
.item-card b { font-size: 13px; line-height: 1.3; }
.item-card .count { color: var(--muted); font-size: 12px; }
.item-card.unowned .item-art { filter: grayscale(.6) brightness(.7); }
.item-card.unowned b { color: var(--muted); }
.empty-msg { grid-column: 1 / -1; padding: 30px 0; text-align: center; }
.ledger { margin-top: 26px; }
.ledger ul, .ticket-log ul, .match-list { list-style: none; padding: 0; margin: 10px 0 0; }
.ledger li, .ticket-log li { display: grid; grid-template-columns: 90px 1fr auto; gap: 10px; padding: 8px 0; border-bottom: 1px solid rgba(255, 255, 255, .06); font-size: 14px; }
.ledger li span, .ticket-log li span { color: var(--muted); font-size: 12px; }
.ledger li small, .ticket-log li small { color: var(--muted); }
.reveal { text-align: center; }
.reveal h2 { font-size: 24px; }
.reveal p { margin-top: 6px; }
.dup-note { color: var(--warn); }
.chest-spin { width: 160px; margin: 10px auto; animation: chest 1s ease-in-out infinite; }
@keyframes chest { 0%, 100% { transform: rotate(-3deg) scale(1); } 50% { transform: rotate(3deg) scale(1.06); } }

/* ── 抽獎 ── */
.draw-layout { display: grid; grid-template-columns: 1fr 320px; gap: 22px; align-items: start; }
.ticket-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.ticket { border-radius: 16px; border: 1px solid color-mix(in srgb, var(--tc) 60%, transparent); background: linear-gradient(160deg, color-mix(in srgb, var(--tc) 18%, var(--panel)), var(--panel)); padding: 18px; display: flex; flex-direction: column; gap: 4px; align-items: flex-start; }
.ticket .medal { color: var(--tc); font-family: var(--serif); font-size: 18px; }
.ticket b { font-family: var(--serif); font-size: 36px; line-height: 1; }
.ticket small { color: var(--muted); margin-bottom: 8px; }
.ticket.none { opacity: .7; }
.draw-side { border-radius: 16px; border: 1px solid var(--line); background: var(--panel); padding: 16px; }
.ticket-log { margin-top: 26px; }

/* ── 紀錄、里程碑、老師報表 ── */
.milestones ul { list-style: none; padding: 0; margin: 8px 0 20px; display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 8px; }
.milestones li { display: grid; grid-template-columns: 56px 1fr auto; gap: 8px; align-items: center; padding: 8px 12px; border-radius: 10px; border: 1px solid var(--line); color: var(--muted); font-size: 14px; }
.milestones li b { color: var(--ink); font-family: var(--serif); }
.milestones li i { font-style: normal; font-size: 12px; }
.milestones li.got { border-color: var(--gold); color: var(--ink); }
.milestones li.got i { color: var(--gold); }
.match-list li { display: grid; grid-template-columns: 44px 1fr auto auto; gap: 12px; align-items: center; padding: 10px 0; border-bottom: 1px solid rgba(255, 255, 255, .06); }
.match-list .outcome { width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; font-family: var(--serif); font-size: 18px; border: 1px solid var(--line); }
.match-list li.win .outcome { background: rgba(214, 188, 135, .2); color: var(--gold); border-color: var(--gold); }
.match-list li.loss .outcome { color: var(--muted); }
.match-list li.draw .outcome { color: var(--blue); border-color: var(--blue); }
.match-list small { color: var(--muted); display: block; font-size: 12px; }
.match-list .loot { color: var(--muted); font-size: 13px; text-align: right; }
.report { margin-top: 22px; }
.report-table { width: 100%; border-collapse: collapse; font-size: 14px; margin-top: 10px; }
.report-table th, .report-table td { border-bottom: 1px solid rgba(255, 255, 255, .08); padding: 8px 10px; text-align: left; vertical-align: top; }
.report-table th { color: var(--muted); font-weight: 500; }
.report-table td.stem { max-width: 460px; }
.report-table td small { display: block; color: var(--muted); font-size: 12px; }
.bars { list-style: none; padding: 0; margin: 10px 0 0; display: grid; gap: 6px; }
.bars li { display: grid; grid-template-columns: 220px 1fr 56px 70px; gap: 10px; align-items: center; font-size: 14px; }
.bars li i { display: block; height: 10px; border-radius: 6px; background: linear-gradient(90deg, var(--warn), var(--bad)); min-width: 2px; }
.bars li small { color: var(--muted); }

/* ── 手機（< 900px）：角色縮成上方兩張對戰卡 ── */
@media (max-width: 899px) {
  .topbar nav { display: none; }
  .hero { grid-template-columns: 1fr; min-height: 0; padding: 24px 18px; }
  .hero-character { justify-self: center; flex-direction: row; gap: 12px; }
  .hero-character img { width: 110px; border-radius: 60px 60px 12px 12px; }
  .lobby-grid { grid-template-columns: 1fr 1fr; }
  .login-card { grid-template-columns: 1fr; }
  .login-art { min-height: 200px; }
  .seats { grid-template-columns: 1fr 1fr; gap: 10px; }
  .versus { grid-column: 1 / -1; order: 3; }
  .seat-portrait { aspect-ratio: 1; }
  .seat-info b { font-size: 17px; }
  .duel { grid-template-columns: 1fr 1fr; grid-template-rows: auto auto; gap: 8px; align-items: stretch; }
  .duelist { flex-direction: row; }
  .duelist-portrait { display: none; }
  .duelist-thumb { display: block; }
  .duelist.left { grid-column: 1; grid-row: 1; }
  .duelist.right { grid-column: 2; grid-row: 1; }
  .altar { grid-column: 1 / -1; grid-row: 2; }
  .duelist-card { padding: 6px 8px; gap: 8px; }
  .duelist-meta b { font-size: 14px; }
  .duelist-score strong { font-size: 22px; }
  .question-card { padding: 16px 14px; border-radius: 16px; }
  .q-stem { font-size: 17px; }
  .answer { font-size: 15px; padding: 10px 12px; }
  .countdown b { font-size: 100px; }
  .backpack-layout { grid-template-columns: 1fr; }
  .paperdoll { position: static; display: grid; grid-template-columns: 120px 1fr; }
  .paperdoll > img { aspect-ratio: 3 / 4; }
  .slot-grid { grid-template-columns: repeat(6, 1fr); }
  .draw-layout { grid-template-columns: 1fr; }
  .scene-gallery { grid-template-columns: 1fr 1fr; }
  .bars li { grid-template-columns: 1fr 48px 60px; }
  .bars li i { grid-column: 1 / -1; }
  .match-list li { grid-template-columns: 40px 1fr auto; }
  .match-list .loot { grid-column: 2; text-align: left; }
}
@media (max-width: 600px) {
  .page { padding: 16px 14px 48px; }
  .hero-copy h1 { font-size: 30px; }
  .lobby-grid { grid-template-columns: 1fr; }
  .room-code b { font-size: 28px; }
  .room-code { align-items: flex-start; }
  .character-grid { grid-template-columns: repeat(3, 1fr); }
  .character-choice img { width: 56px; height: 56px; }
  .scene-gallery { grid-template-columns: 1fr; }
  .slot-grid { grid-template-columns: repeat(6, 1fr); }
  .item-grid { grid-template-columns: repeat(2, 1fr); }
  .ticket-grid { grid-template-columns: 1fr 1fr; }
  .result-scores { gap: 14px; }
  .result-scores img { width: 60px; height: 60px; }
  .reward-stats { gap: 18px; }
  .review-body { padding-left: 14px; }
  .footer { font-size: 12px; }
  .version { margin-left: 0; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}

/* v4.2 Dr. Hsu Logo */
.brand-logo { width: 92px; height: 50px; overflow: visible; flex-shrink: 0; }
.brand-logo .logo-crescent { fill: none; stroke: #d4b46d; stroke-width: 4.2; stroke-linecap: round; }
.brand-logo .logo-star { fill: #d4b46d; }
.brand-logo text { fill: #f4f0e5; font: 700 40px Georgia, "Times New Roman", serif; letter-spacing: .01em; }
@media (max-width: 600px) { .brand-logo { width: 74px; height: 40px; } .brand-text small { display: none; } }
.slot-ghost { width: 100%; height: 100%; opacity: .28; filter: grayscale(1); }
.slot-ghost .item-art { width: 100%; height: 100%; border-color: transparent; background: none; }
.brand-logo { width: 112px; height: 60px; }
.reveal .brand-line { display: block; }

/* v4.3：分級規則卡、班級排行榜 */
.level-card { display: grid; gap: 4px; padding: 12px 14px; border: 1px solid var(--gold); border-radius: 12px; background: rgba(214, 188, 135, .08); margin: 6px 0 12px; }
.level-card b { font-size: 16px; }
.level-card small { color: var(--muted); font-size: 12px; }
.rank-me { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; padding: 12px 16px; border-radius: 12px; border: 1px solid var(--line); background: var(--panel2); margin-bottom: 14px; }
.rank-me span { color: var(--muted); font-size: 13px; }
.rank-me b { font-family: var(--serif); font-size: 24px; color: var(--gold); }
.rank-me i { font-style: normal; color: var(--muted); }
.rank-table td small { display: block; color: var(--muted); font-size: 11px; }
.rank-table tr.me td { background: rgba(214, 188, 135, .12); }
.rank-no { display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; border: 1px solid var(--line); font-weight: 700; }
.rank-table tr.top1 .rank-no { background: #f2c766; color: #1b1406; border-color: #f2c766; }
.rank-table tr.top2 .rank-no { background: #c9d2dc; color: #10161c; border-color: #c9d2dc; }
.rank-table tr.top3 .rank-no { background: #c8875a; color: #1b0f06; border-color: #c8875a; }
.rank-who { display: flex; align-items: center; gap: 10px; min-width: 0; }
.rank-who img { width: 36px; height: 36px; border-radius: 50%; object-fit: cover; flex: none; }
.rank-who b { display: block; }
.board-class { margin: 18px 0 6px; font-size: 16px; }
.field.inline { display: inline-flex; align-items: center; gap: 8px; margin: 0; }
@media (max-width: 640px) {
  .rank-table th:nth-child(4), .rank-table td:nth-child(4) { display: none; }
  .rank-who img { width: 28px; height: 28px; }
}
.field.inline { flex-direction: row; grid-auto-flow: column; align-items: center; }
.field.inline select { width: auto; }

/* ── v4.4：新手禮包、連擊、最後一題、全班答對率、弱點卡、首勝禮、兌換碼 ── */
.starter-cta { display: inline-flex; align-items: center; gap: 12px; margin: 14px 0 0 12px; padding: 8px 18px 8px 8px; border-radius: 999px; border: 1px solid var(--gold); background: linear-gradient(135deg, rgba(214, 188, 135, .22), rgba(214, 188, 135, .06)); text-align: left; animation: starter-glow 2.4s ease-in-out infinite; }
.starter-cta .chest img { width: 48px; display: block; }
.starter-cta span:last-child { display: flex; flex-direction: column; line-height: 1.25; }
.starter-cta b { color: var(--gold); }
.starter-cta small { color: var(--muted); font-size: 12px; }
@keyframes starter-glow { 0%, 100% { box-shadow: 0 0 0 rgba(214, 188, 135, 0); } 50% { box-shadow: 0 0 22px rgba(214, 188, 135, .45); } }
.starter { text-align: center; }
.starter h2 { font-size: 24px; margin-top: 4px; }
.starter .character-grid { margin: 14px 0; }
.starter .btn.full { margin-top: 6px; }
.starter-result { text-align: center; }
.starter-result h2 { font-size: 22px; }
.starter-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; margin: 16px 0 10px; }
.starter-item { display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 8px 4px; border-radius: 14px; border: 1px solid color-mix(in srgb, var(--rc) 50%, transparent); background: rgba(255, 255, 255, .03); opacity: 0; transform: translateY(14px) scale(.9); animation: starter-pop .5s cubic-bezier(.2, .9, .3, 1.3) forwards; animation-delay: var(--d, 0ms); }
.starter-item small { color: var(--rc); font-size: 11px; }
.starter-item b { font-size: 12px; font-weight: 500; color: var(--ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 100%; }
.starter-item.best { box-shadow: 0 0 22px color-mix(in srgb, var(--rc) 55%, transparent); border-color: var(--rc); }
.starter-item.best::after { content: '最高'; position: absolute; top: -8px; right: -4px; font-size: 10px; padding: 1px 7px; border-radius: 999px; background: var(--rc); color: #10161c; }
.starter-item { position: relative; }
@keyframes starter-pop { to { opacity: 1; transform: none; } }
.combo { display: inline-flex; align-items: baseline; gap: 5px; margin-top: 3px; padding: 1px 8px; border-radius: 999px; font-style: normal; font-size: 12px; color: #ffd27a; background: rgba(255, 180, 60, .14); border: 1px solid rgba(255, 180, 60, .35); white-space: nowrap; }
.combo small { color: var(--muted); font-size: 10px; }
.combo.hot { color: #ffb347; border-color: #ffb347; animation: combo-pulse 1.2s ease-in-out infinite; }
@keyframes combo-pulse { 0%, 100% { box-shadow: 0 0 0 rgba(255, 179, 71, 0); } 50% { box-shadow: 0 0 12px rgba(255, 179, 71, .55); } }
.last-banner { padding: 4px 12px; border-radius: 999px; background: linear-gradient(135deg, var(--gold), var(--gold-dark)); color: #1a1407; font-weight: 700; font-size: 13px; letter-spacing: .04em; animation: last-blink 1.6s ease-in-out infinite; }
@keyframes last-blink { 0%, 100% { opacity: 1; } 50% { opacity: .75; } }
.question-card.last { border-color: var(--gold); box-shadow: 0 0 0 1px rgba(214, 188, 135, .35), var(--shadow); }
.score-breakdown { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.score-breakdown span { padding: 2px 10px; border-radius: 999px; background: rgba(255, 255, 255, .07); font-size: 12px; color: var(--ink); }
.score-breakdown span:not(:first-child) { background: rgba(214, 188, 135, .18); color: var(--gold); }
.class-rate { margin-top: 10px; font-size: 13px; color: var(--muted); display: flex; align-items: baseline; gap: 6px; }
.class-rate b { font-family: var(--serif); font-size: 18px; color: var(--ink); }
.class-rate small { font-size: 12px; }
.class-rate.first { color: var(--gold); }
.mini-rate { font-style: normal; margin-left: 8px; color: var(--muted); font-size: 12px; }
.first-win { display: flex; align-items: center; gap: 12px; margin: 12px auto 0; padding: 8px 16px 8px 8px; border-radius: 16px; border: 1px solid var(--rc); background: linear-gradient(135deg, color-mix(in srgb, var(--rc) 22%, transparent), rgba(255, 255, 255, .03)); text-align: left; max-width: 520px; }
.first-win span { display: flex; flex-direction: column; line-height: 1.3; min-width: 0; }
.first-win b { color: var(--rc); }
.first-win small { color: var(--muted); font-size: 12px; }
.weak-card { max-width: 820px; margin: 26px auto 0; padding: 18px 20px; border-radius: 18px; border: 1px solid var(--line); background: rgba(19, 35, 45, .9); }
.weak-card.clean { border-color: var(--good); }
.weak-head h2 { font-size: 20px; margin-top: 2px; }
.weak-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin: 12px 0; }
.weak-grid > div > small { display: block; color: var(--muted); font-size: 12px; margin-bottom: 6px; }
.weak-grid ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; }
.weak-grid li { display: flex; flex-direction: column; gap: 2px; padding: 8px 10px; border-radius: 10px; background: rgba(255, 255, 255, .04); }
.weak-grid li span { color: var(--muted); font-size: 13px; }
.weak-card .row { gap: 8px; flex-wrap: wrap; }
.weak-card .btn.small { padding: 8px 14px; }
.codes-form { display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px 14px; align-items: end; margin: 10px 0 14px; }
.codes-form .field { margin: 6px 0; }
.codes-form .span2 { grid-column: span 2; }
.codes-form .btn { margin: 6px 0 10px; justify-self: start; grid-column: 1; }
.codes-form .form-error { grid-column: 1 / -1; margin: 0; min-height: 0; }
.codes-form [hidden] { display: none; }
.codes-out { margin: 6px 0 16px; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--gold); background: rgba(214, 188, 135, .08); }
.codes-out .row { justify-content: space-between; align-items: center; margin-bottom: 8px; }
.codes-out textarea { width: 100%; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 18px; letter-spacing: .08em; padding: 10px 12px; border-radius: 10px; border: 1px solid var(--line); background: var(--bg2); color: var(--ink); resize: vertical; }
.codes-table code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 15px; letter-spacing: .06em; }
.codes-table td small { display: block; color: var(--muted); font-size: 11px; }
.codes-table tr.off td { opacity: .55; }
@media (max-width: 899px) {
  .codes-form { grid-template-columns: 1fr 1fr; }
  .combo small { display: none; }
  .combo { font-size: 11px; padding: 0 7px; }
  .starter-grid { grid-template-columns: repeat(5, 1fr); gap: 6px; }
  .weak-grid { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .starter-cta { margin-left: 0; }
  .starter-grid { grid-template-columns: repeat(3, 1fr); }
  .codes-form { grid-template-columns: 1fr; }
  .codes-form .span2 { grid-column: span 1; }
  .last-banner { font-size: 12px; padding: 3px 10px; }
  .codes-table th:nth-child(5), .codes-table td:nth-child(5) { display: none; }
}
/* v4.4b：大廳九位角色一覽 */
.hero-character-name em { font-style: normal; font-size: 12px; color: var(--blue); margin-top: 4px; border-bottom: 1px dotted var(--blue); }
.cast-strip { grid-column: 1 / -1; display: flex; flex-direction: column; gap: 6px; margin-top: 4px; }
.cast-strip small { color: var(--muted); font-size: 12px; }
.cast-strip > div { display: flex; gap: 6px; flex-wrap: wrap; }
.cast { display: flex; flex-direction: column; align-items: center; gap: 3px; padding: 4px 6px; border-radius: 12px; border: 1px solid transparent; }
.cast img { width: 52px; height: 52px; border-radius: 50%; object-fit: cover; object-position: top; border: 2px solid var(--line); transition: transform .12s ease, border-color .12s ease; }
.cast span { font-size: 11px; color: var(--muted); }
.cast:hover img { border-color: var(--ink); transform: translateY(-2px); }
.cast.active img { border-color: var(--gold); box-shadow: 0 0 12px rgba(214, 188, 135, .55); }
.cast.active span { color: var(--gold); }
.cast-portrait { width: 180px; aspect-ratio: 3 / 4; object-fit: cover; object-position: top; border-radius: 100px 100px 14px 14px; border: 2px solid var(--line); margin: 6px auto 10px; display: block; }
@media (max-width: 600px) { .cast img { width: 44px; height: 44px; } .cast { padding: 3px 4px; } }
/* v4.4b：隱藏角色 */
.cast.locked, .role-tab.locked { cursor: default; opacity: .8; }
.cast.locked i, .role-tab.locked i { width: 52px; height: 52px; border-radius: 50%; display: grid; place-items: center; font-style: normal; font-family: var(--serif); font-size: 22px; color: var(--muted); border: 2px dashed var(--line); background: rgba(0, 0, 0, .35); }
.role-tab.locked i { width: 40px; height: 40px; font-size: 18px; }
@media (max-width: 600px) { .cast.locked i { width: 44px; height: 44px; } }
/* v4.5：史詩以上發光、跳過、突然死亡、成長曲線 */
.starter-item.glow { border-color: var(--rc); background: radial-gradient(circle at 50% 35%, color-mix(in srgb, var(--rc) 30%, transparent), rgba(255, 255, 255, .03) 70%);
  animation: starter-pop .5s cubic-bezier(.2, .9, .3, 1.3) forwards, glow-pulse 1.4s ease-in-out infinite; animation-delay: var(--d, 0ms), calc(var(--d, 0ms) + .5s); }
.starter-item.glow small { color: var(--rc); font-weight: 700; text-shadow: 0 0 10px var(--rc); }
.starter-item.glow .item-art { filter: brightness(1.3) saturate(1.25); box-shadow: 0 0 22px var(--rc), 0 0 46px color-mix(in srgb, var(--rc) 55%, transparent); }
.starter-item.glow .item-art::after { content: ''; position: absolute; inset: -30%; background: linear-gradient(115deg, transparent 38%, rgba(255, 255, 255, .85) 50%, transparent 62%); transform: translateX(-120%); animation: shine 2.4s ease-in-out infinite; animation-delay: calc(var(--d, 0ms) + .7s); pointer-events: none; }
.starter-item.glow-x { animation-duration: .5s, .9s; }
.starter-item.glow-x .item-art { box-shadow: 0 0 30px var(--rc), 0 0 70px var(--rc); }
@keyframes glow-pulse { 0%, 100% { box-shadow: 0 0 14px color-mix(in srgb, var(--rc) 70%, transparent), 0 0 0 1px var(--rc); } 50% { box-shadow: 0 0 34px var(--rc), 0 0 64px color-mix(in srgb, var(--rc) 55%, transparent), 0 0 0 2px var(--rc); } }
@keyframes shine { 0% { transform: translateX(-120%); } 55%, 100% { transform: translateX(120%); } }
.starter-result.lucky h2 { color: var(--rc); text-shadow: 0 0 18px color-mix(in srgb, var(--rc) 70%, transparent); animation: lucky-flash 1.6s ease-in-out 1.1s 2; }
@keyframes lucky-flash { 0%, 100% { filter: none; } 50% { filter: brightness(1.6); } }
.reveal.r2 .item-art.xl, .reveal.r3 .item-art.xl, .reveal.r4 .item-art.xl, .reveal.r5 .item-art.xl { animation: glow-pulse 1.4s ease-in-out infinite; filter: brightness(1.2) saturate(1.2); }
.skip-row { display: flex; align-items: center; gap: 10px; margin-top: 12px; flex-wrap: wrap; }
.skip-row small { color: var(--muted); font-size: 12px; }
.score-breakdown span.neg { background: rgba(239, 154, 154, .16); color: var(--bad); }
.last-banner.sd { background: linear-gradient(135deg, #ef9a9a, #c25b5b); color: #2a0b0b; }
.trend { margin-top: 14px; }
.trend > small { display: block; color: var(--muted); font-size: 12px; margin-bottom: 4px; }
.trend.panel { margin: 0 0 20px; padding: 16px 18px; border-radius: 16px; border: 1px solid var(--line); background: var(--panel); }
.trend svg { width: 100%; max-width: 620px; height: auto; display: block; }
.trend svg text { fill: var(--muted); font-size: 11px; }
.trend svg text.v { fill: var(--gold); font-size: 14px; font-weight: 700; }
.trend svg .g { stroke: rgba(255, 255, 255, .08); }
.trend svg .avg { stroke: var(--blue); stroke-dasharray: 4 4; opacity: .6; }
.trend svg .l { fill: none; stroke: var(--gold); stroke-width: 2.5; stroke-linejoin: round; stroke-linecap: round; }
.trend svg .d { stroke: var(--panel); stroke-width: 2; }
.trend svg .d.win, .trend-note i.win { fill: var(--gold); background: var(--gold); }
.trend svg .d.draw, .trend-note i.draw { fill: var(--blue); background: var(--blue); }
.trend svg .d.loss, .trend-note i.loss { fill: #8a97a3; background: #8a97a3; }
.trend-note { color: var(--muted); font-size: 13px; margin-top: 4px; display: flex; flex-wrap: wrap; gap: 4px 10px; align-items: center; }
.trend-note b { color: var(--ink); }
.trend-note b.up { color: var(--good); }
.trend-note .lg { display: inline-flex; align-items: center; gap: 4px; margin-left: auto; }
.trend-note .lg i { display: inline-block; width: 9px; height: 9px; border-radius: 50%; margin-left: 6px; }
@media (prefers-reduced-motion: reduce) { .starter-item.glow, .starter-item.glow .item-art::after, .reveal .item-art.xl { animation: none !important; opacity: 1; transform: none; } }
/* v4.6：段位、連勝、主題、七日任務、學習儲值、道具卡 */
.tier { --tc: #a7b4c4; display: inline-flex; align-items: center; gap: 5px; flex-wrap: wrap; padding: 2px 10px 2px 6px; border-radius: 999px; border: 1px solid color-mix(in srgb, var(--tc) 60%, transparent); background: color-mix(in srgb, var(--tc) 14%, transparent); color: var(--tc); font-size: 13px; font-weight: 700; line-height: 1.6; }
.tier i { font-style: normal; font-size: 14px; }
.tier.sm { font-size: 11px; padding: 0 8px 0 5px; }
.tier.t-dust { --tc: #c9d2dc; } .tier.t-core { --tc: #56b8ff; } .tier.t-star { --tc: #b48aff; } .tier.t-nebula { --tc: #ff879b; } .tier.t-galaxy { --tc: #ffcf65; box-shadow: 0 0 12px rgba(255, 207, 101, .45); }
.tier { background-color: rgba(11, 20, 27, .78); }
.tier-wrap { --tc: #c9d2dc; display: inline-flex; align-items: center; gap: 8px; padding: 4px 10px 4px 4px; border-radius: 999px; background: rgba(11, 20, 27, .8); border: 1px solid var(--line); }
.tier-wrap.t-core { --tc: #56b8ff; } .tier-wrap.t-star { --tc: #b48aff; } .tier-wrap.t-nebula { --tc: #ff879b; } .tier-wrap.t-galaxy { --tc: #ffcf65; }
.tier-bar { display: inline-block; width: 70px; height: 6px; border-radius: 6px; background: rgba(255, 255, 255, .14); overflow: hidden; }
.tier-bar b { display: block; height: 100%; background: var(--tc); }
.tier-wrap small { font-size: 11px; color: var(--muted); white-space: nowrap; }
.hero-character-name .tier-wrap { margin-top: 8px; }
.bounty { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 11px; font-weight: 700; color: #2a0b0b; background: linear-gradient(135deg, #ffb347, #ff7b54); animation: combo-pulse 1.2s ease-in-out infinite; }
.seat-tags, .duel-tags { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 4px; align-items: center; }
.card-used { font-style: normal; font-size: 10px; padding: 0 6px; border-radius: 999px; border: 1px solid var(--line); color: var(--muted); }
.theme-banner { display: inline-flex; flex-direction: column; margin: 12px 0 0 12px; padding: 8px 14px; border-radius: 12px; border: 1px solid #8fd3a3; background: rgba(143, 211, 163, .12); }
.theme-banner b { color: #8fd3a3; font-size: 13px; }
.theme-banner span { font-size: 13px; }
.theme-tag { color: #8fd3a3; font-size: 13px; margin-top: 4px; }
.tile.static { cursor: default; }
.tile.static:hover { background: var(--panel); }
.seven { display: flex; gap: 6px; margin: 2px 0 4px; }
.seven i { width: 16px; height: 16px; border-radius: 50%; border: 1px solid var(--line); background: rgba(255, 255, 255, .04); }
.seven i.on { background: var(--gold); border-color: var(--gold); box-shadow: 0 0 8px rgba(214, 188, 135, .6); }
.seven i.gift { border-color: #b48aff; }
.seven i.gift:not(.on) { background: rgba(180, 138, 255, .18); }
.deposit-list { list-style: none; padding: 0; margin: 12px 0; display: grid; gap: 6px; }
.deposit-list li { display: grid; grid-template-columns: 1fr auto auto; gap: 10px; align-items: center; padding: 8px 12px; border-radius: 10px; background: rgba(255, 255, 255, .04); }
.deposit-list span { color: var(--muted); font-size: 13px; }
.deposit-list i { font-style: normal; color: var(--gold); font-weight: 700; }
.answer.removed { opacity: .35; text-decoration: line-through; position: relative; grid-template-columns: 38px 1fr auto; }
.answer.removed em { font-style: normal; font-size: 12px; color: var(--bad); margin-left: auto; }
.card-btn { border-color: #b48aff; color: #d8c4ff; }
.extras { display: flex; flex-direction: column; gap: 8px; margin-top: 8px; }
.extra.theme { align-self: center; padding: 3px 12px; border-radius: 999px; background: rgba(143, 211, 163, .14); color: #8fd3a3; font-size: 13px; }
.rank-change { display: flex; align-items: center; justify-content: center; gap: 8px; flex-wrap: wrap; margin-top: 12px; padding-top: 10px; border-top: 1px solid var(--line); }
.rank-change > span { color: var(--muted); font-size: 13px; }
.rank-change em { font-style: normal; color: var(--gold); font-weight: 700; }
.rank-change small { color: var(--muted); font-size: 12px; width: 100%; text-align: center; }
.rank-change.up small { color: var(--good); font-weight: 700; }
.starter-extras { color: var(--gold); font-size: 14px; margin-top: 4px; }
.theme-grid { display: grid; gap: 8px; margin-top: 10px; }
.theme-row { display: grid; grid-template-columns: 160px minmax(0, 1fr) auto auto; gap: 10px; align-items: center; }
.theme-row select { padding: 8px 10px; border-radius: 10px; border: 1px solid var(--line); background: var(--bg2); color: var(--ink); }
.theme-row small { color: #8fd3a3; font-size: 12px; }
@media (max-width: 899px) { .lobby-grid { grid-template-columns: 1fr 1fr; } .theme-row { grid-template-columns: 1fr auto; } .theme-row small { grid-column: 1 / -1; } }
@media (max-width: 600px) { .lobby-grid { grid-template-columns: 1fr; } .theme-banner { margin-left: 0; } }
.tier { white-space: nowrap; flex-shrink: 0; flex-wrap: nowrap; }
.tier-wrap { flex-wrap: wrap; justify-content: center; border-radius: 16px; max-width: 100%; }

/* ───────── v4.7 星塵面額、累計解鎖、三種道具卡、自訂人物圖、寶庫連動 ───────── */
.den-legend { display: flex; flex-wrap: wrap; gap: 6px 14px; margin: 8px 0 4px; }
.denoms { display: inline-flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.den { display: inline-flex; align-items: center; gap: 5px; padding: 2px 9px 2px 4px; border-radius: 999px; background: rgba(255, 255, 255, .05); border: 1px solid var(--line); font-size: 12px; white-space: nowrap; }
.den-legend .den { background: none; border: 0; padding: 0; }
.den b { font-family: var(--serif); color: var(--ink); font-size: 14px; }
.den small { color: var(--muted); font-size: 11px; }
.den i { width: 18px; height: 18px; flex: none; border-radius: 50%; display: inline-block; position: relative; }
.d-dust i { background: radial-gradient(circle at 35% 35%, #fff, #d6bc87 45%, transparent 70%); }
.d-shard i { border-radius: 3px; transform: rotate(45deg) scale(.72); background: linear-gradient(135deg, #e8f6ff, #8fc9e6); box-shadow: 0 0 6px rgba(143, 201, 230, .8); }
.d-bigshard i { border-radius: 3px; transform: rotate(45deg) scale(.9); background: linear-gradient(135deg, #f3e8ff, #b48aff); box-shadow: 0 0 8px rgba(180, 138, 255, .8); }
.d-meteor i { background: radial-gradient(circle at 60% 40%, #ffd9a8, #a8643a 55%, #4a2a18); box-shadow: -7px 5px 0 -5px rgba(255, 190, 120, .7), -11px 8px 0 -7px rgba(255, 190, 120, .45); }
.d-sun i { background: radial-gradient(circle, #fff6c8, #ffc94a 50%, #ff9a2e); box-shadow: 0 0 10px 2px rgba(255, 190, 70, .75); }
.d-stephenson i { background: radial-gradient(circle at 40% 40%, #ffd0b0, #ff5a3c 45%, #9b1e1e); box-shadow: 0 0 14px 3px rgba(255, 80, 50, .7); width: 20px; height: 20px; }
.d-blackhole i { background: radial-gradient(circle, #000 42%, #6a3cff 52%, #ffb35c 60%, transparent 72%); box-shadow: 0 0 10px rgba(140, 90, 255, .7); }

.wallet-bar { display: grid; grid-template-columns: minmax(220px, 1.1fr) minmax(240px, 1.3fr) minmax(220px, 1fr); gap: 14px; margin-top: 18px; padding: 14px; border-radius: 16px; border: 1px solid var(--line); background: linear-gradient(135deg, rgba(214, 188, 135, .1), rgba(168, 217, 233, .06)), var(--panel); align-items: center; }
.wallet-main { text-align: left; display: flex; flex-direction: column; gap: 4px; }
.wallet-main > b { font-family: var(--serif); font-size: 32px; line-height: 1.1; color: var(--gold); }
.unlock-next { display: flex; gap: 12px; align-items: center; min-width: 0; }
.unlock-next > span { display: flex; flex-direction: column; gap: 3px; min-width: 0; flex: 1; }
.unlock-next small { color: var(--muted); font-size: 12px; }
.unlock-next b { font-size: 15px; }
.unlock-next img, .unlock-ladder img { width: 54px; height: 54px; border-radius: 50%; object-fit: cover; object-position: top; border: 2px solid var(--line); flex: none; }
.portrait-ico.mystery { border: 2px solid rgba(168, 217, 233, .5); color: var(--blue); background: radial-gradient(circle, rgba(168, 217, 233, .18), rgba(0, 0, 0, .4)); box-shadow: 0 0 12px rgba(168, 217, 233, .25); font-family: var(--serif); }
.unlock-bar { display: block; height: 8px; border-radius: 999px; background: rgba(255, 255, 255, .08); overflow: hidden; }
.unlock-bar i { display: block; height: 100%; background: linear-gradient(90deg, var(--blue-dark), var(--gold)); border-radius: inherit; }
.portrait-ico { width: 54px; height: 54px; border-radius: 50%; display: inline-grid; place-items: center; font-style: normal; font-size: 22px; color: var(--gold); border: 2px dashed var(--line); flex: none; }
.portrait-ico.big { width: 96px; height: 96px; font-size: 36px; margin: 0 auto; }
.wallet-cards { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; justify-content: flex-end; }
.card-chip { display: inline-flex; align-items: center; gap: 5px; font-size: 12px; padding: 3px 9px; border-radius: 999px; border: 1px solid var(--line); background: rgba(0, 0, 0, .25); white-space: nowrap; }
.card-chip b { color: var(--gold); }
.card-chip i, .card-btn i, .shop-card > i { width: 14px; height: 18px; border-radius: 3px; display: inline-block; flex: none; }
.c-eliminate i { background: linear-gradient(160deg, #d8c4ff, #8a63d6); }
.c-eliminate2 i { background: linear-gradient(160deg, #ffc4d6, #d6456f); }
.c-freeze i { background: linear-gradient(160deg, #e2f7ff, #5fb7dd); }
.card-btn { display: inline-flex; align-items: center; gap: 6px; }
.card-btn small { color: var(--muted); }
.card-btn.c-eliminate { border-color: #b48aff; color: #e0d0ff; }
.card-btn.c-eliminate2 { border-color: #ff7fa3; color: #ffd0de; }
.card-btn.c-freeze { border-color: #7fd0ea; color: #d6f3ff; }
.card-used.c-eliminate2 { border-color: #ff7fa3; color: #ffb3c8; }
.card-used.c-freeze { border-color: #7fd0ea; color: #a8e4f5; }
.card-used.c-eliminate { border-color: #b48aff; color: #d8c4ff; }
.freeze-banner { padding: 4px 12px; border-radius: 999px; font-size: 13px; font-weight: 700; color: #08202b; background: linear-gradient(135deg, #e2f7ff, #7fd0ea); }
.freeze-banner.other { background: rgba(127, 208, 234, .14); color: #a8e4f5; border: 1px solid #7fd0ea; font-weight: 500; }
.timer.frozen { background: conic-gradient(#7fd0ea var(--progress), rgba(255, 255, 255, .08) 0); box-shadow: 0 0 16px rgba(127, 208, 234, .55); }

.economy h2 small { font-size: 14px; color: var(--muted); margin-left: 10px; font-family: var(--sans); font-weight: 400; }
.economy h3 { margin: 18px 0 6px; }
.unlock-ladder { list-style: none; padding: 0; margin: 8px 0 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.unlock-ladder li { display: flex; align-items: center; gap: 8px; padding: 8px; border-radius: 12px; border: 1px solid var(--line); background: rgba(0, 0, 0, .2); position: relative; }
.unlock-ladder li.on { border-color: var(--gold); background: rgba(214, 188, 135, .08); }
.unlock-ladder li span { display: flex; flex-direction: column; line-height: 1.3; min-width: 0; }
.unlock-ladder li b { font-family: var(--serif); color: var(--gold); }
.unlock-ladder li small { color: var(--muted); font-size: 12px; }
.unlock-ladder li em { position: absolute; top: 4px; right: 8px; font-style: normal; font-size: 11px; color: var(--good); }
.unlock-ladder li em.todo { color: var(--muted); }
.unlock-ladder img, .unlock-ladder .portrait-ico { width: 44px; height: 44px; font-size: 18px; }
.card-shop { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.shop-card { display: flex; flex-direction: column; gap: 4px; padding: 12px; border-radius: 14px; border: 1px solid var(--line); background: rgba(0, 0, 0, .2); }
.shop-card > i { width: 22px; height: 28px; }
.shop-card small { color: var(--muted); font-size: 12px; }
.shop-card span { font-size: 13px; }
.shop-card .btn { margin-top: auto; }
.portrait-box { display: flex; gap: 14px; align-items: flex-start; padding: 12px; border-radius: 14px; border: 1px solid var(--line); background: rgba(0, 0, 0, .2); }
.portrait-box > img { width: 120px; aspect-ratio: 3 / 4; object-fit: cover; border-radius: 12px; border: 2px solid var(--gold); flex: none; }
.portrait-box > div { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.file-btn { cursor: pointer; }
.toggle { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; cursor: pointer; }
.vault-sync { margin-top: 10px; padding: 10px; border-radius: 12px; border: 1px dashed var(--line); display: flex; flex-direction: column; gap: 6px; }
.vault-sync b { font-size: 13px; }
.vault-sync ol { margin: 0; padding-left: 18px; font-size: 12px; color: var(--muted); }
.portrait-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
.portrait-grid figure { margin: 0; border-radius: 12px; border: 1px solid var(--line); overflow: hidden; background: rgba(0, 0, 0, .2); }
.portrait-grid figure.pending { border-color: var(--warn); }
.portrait-grid figure.rejected { opacity: .6; }
.portrait-grid img { width: 100%; aspect-ratio: 3 / 4; object-fit: cover; }
.portrait-grid figcaption { padding: 8px; display: flex; flex-direction: column; gap: 4px; }
.portrait-grid figcaption small { color: var(--muted); font-size: 12px; }
.pending-badge { font-style: normal; font-size: 13px; margin-left: 10px; padding: 2px 10px; border-radius: 999px; background: var(--warn); color: #1a1407; font-family: var(--sans); }
@media (max-width: 899px) {
  .wallet-bar { grid-template-columns: 1fr 1fr; }
  .wallet-cards { grid-column: 1 / -1; justify-content: flex-start; }
  .unlock-ladder { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .wallet-bar { grid-template-columns: 1fr; }
  .card-shop { grid-template-columns: 1fr; }
  .portrait-box { flex-direction: column; align-items: center; text-align: center; }
  .portrait-box .row { justify-content: center; }
}
/* v4.8 寶庫自動同步 */
.vault-sync p { font-size: 12px; margin: 0; }
.vault-sync details summary { cursor: pointer; font-size: 12px; color: var(--muted); }
.vault-sync details[open] summary { margin-bottom: 6px; }
/* v4.9 多選題、不出這題 */
.answer.multi .letter { min-width: 52px; }
.submit-multi { grid-column: 1 / -1; justify-self: center; min-width: 160px; margin-top: 4px; }
.report-table tr.off td { opacity: .5; }
.answer.multi .letter .box { font-style: normal; margin-right: 2px; }

/* v5.0 高三標準戰 */
.kind-chip{display:inline-block;margin:0 6px;padding:1px 9px;border-radius:999px;font-size:12px;font-weight:700;letter-spacing:.03em;background:rgba(120,190,255,.16);color:#bfe2ff;border:1px solid rgba(120,190,255,.35);vertical-align:1px}
.kind-chip.multi{background:rgba(255,206,120,.14);color:#ffe0a6;border-color:rgba(255,206,120,.4)}
.kind-chip.mixed{background:rgba(196,150,255,.16);color:#e4ccff;border-color:rgba(196,150,255,.45)}
.timer.long b{font-size:.78em;letter-spacing:.02em}
.level-card.std b{line-height:1.5}

/* v5.1b（10/27）：開場動畫（starcore-intro.js v1.1，不改它的內容）——視窗比 16:9 寬時它用 cover，影片上下被裁掉，
   影片左上角的「星核競技場 DR.HSU」徽章會被切到。這裡一律改成 contain：整支影片完整顯示，兩側／上下用模糊畫面補滿。 */
html #sc-intro video { object-fit: contain; object-position: center center; }

/* ── v5.2 訪客試玩 ── */
.user-chip.guest small { color: var(--warn); }
.grade-picker { border: 1px solid var(--line); border-radius: 14px; padding: 10px 12px 12px; margin: 10px 0; }
.grade-picker legend { padding: 0 6px; color: var(--muted); font-size: 13px; }
.grade-options { display: grid; grid-template-columns: repeat(6, 1fr); gap: 8px; }
.grade-option { position: relative; display: flex; flex-direction: column; align-items: center; gap: 2px; padding: 10px 4px; border-radius: 12px; border: 1px solid var(--line); cursor: pointer; text-align: center; }
.grade-option input { position: absolute; opacity: 0; }
.grade-option b { font-family: var(--serif); font-size: 18px; }
.grade-option small { color: var(--muted); font-size: 11px; white-space: nowrap; }
.grade-option:has(input:checked) { border-color: var(--gold); background: rgba(214, 188, 135, .12); box-shadow: inset 0 0 0 1px var(--gold); }
.character-grid.guest { grid-template-columns: repeat(5, 1fr); }
.character-grid.guest img { width: 56px; height: 56px; }
.reward-banner.trial { border-color: var(--warn); background: rgba(242, 199, 102, .1); }
.grade-table { display: inline-flex; flex-wrap: wrap; gap: 6px; margin: 4px 6px 4px 0; vertical-align: middle; }
.grade-table i { font-style: normal; font-size: 12px; padding: 2px 8px; border-radius: 999px; border: 1px solid var(--line); background: rgba(0, 0, 0, .25); white-space: nowrap; }
.trial-panel .time-table { width: 100%; border-collapse: collapse; margin: 12px 0 6px; font-size: 14px; }
.trial-panel .time-table th, .trial-panel .time-table td { padding: 6px 8px; border-bottom: 1px solid var(--line); text-align: center; }
.trial-panel .time-table th:first-child, .trial-panel .time-table td:first-child { width: 44px; color: var(--muted); }
.trial-panel .time-table td.ok { color: var(--good); }
.trial-panel .time-table td.ng { color: var(--bad); }
.trial-panel .time-table tfoot td { color: var(--muted); border-bottom: 0; }
.mini-time { margin-left: 8px; font-size: 12px; color: var(--muted); font-style: normal; }
.hero-actions .btn.link.large { padding-left: 6px; padding-right: 6px; }
@media (max-width: 600px) { .grade-options { grid-template-columns: repeat(3, 1fr); } .character-grid.guest { grid-template-columns: repeat(3, 1fr); } }

/* ── v5.2 角色表情（星核寶庫表情包：答對＝微笑、答錯＝思考、作答中＝專注、平手／等待＝平靜） ── */
.expr { position: absolute; top: 8px; right: 8px; width: 38%; max-width: 104px; margin: 0; z-index: 2; display: flex; flex-direction: column; align-items: center; gap: 4px; }
.expr img { width: 100%; aspect-ratio: 1; border-radius: 50%; object-fit: cover; object-position: top; border: 2px solid var(--line); background: #0d1a22; box-shadow: 0 6px 18px rgba(0, 0, 0, .5); transition: transform .25s ease, border-color .25s ease; }
.expr i { position: absolute; top: 0; right: 0; width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; font-style: normal; font-size: 13px; font-weight: 700; color: #1a1407; background: var(--gold); border: 1px solid rgba(0, 0, 0, .3); }
.expr figcaption { font-size: 11px; line-height: 1.3; padding: 1px 8px; border-radius: 999px; background: rgba(7, 13, 28, .78); border: 1px solid var(--line); white-space: nowrap; }
.expr.mood-smile img { border-color: var(--good); box-shadow: 0 0 22px rgba(143, 211, 163, .55); transform: scale(1.06); }
.expr.mood-smile i { background: var(--good); }
.expr.mood-think img { border-color: var(--bad); box-shadow: 0 0 18px rgba(239, 154, 154, .45); }
.expr.mood-think i { background: var(--bad); }
.expr.mood-focus img { border-color: var(--blue); }
.expr.mood-focus i { background: var(--blue); }
.expr.mood-calm i { background: var(--gold); }
.expr.fallback img { filter: saturate(.9); }
.expr.fallback i { width: 28px; height: 28px; font-size: 15px; }
.duelist.rival .expr { right: auto; left: 8px; }
.duelist.right .expr img { transform: none; }
.duelist-portrait .expr { opacity: 0; animation: exprIn .3s ease forwards; }
@keyframes exprIn { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }
.duelist-thumb .expr { position: relative; top: auto; right: auto; left: auto; width: 46px; max-width: none; gap: 0; }
.duelist-thumb .expr figcaption { display: none; }
.duelist-thumb .expr i { width: 18px; height: 18px; font-size: 10px; right: -4px; top: -2px; }
.duelist-thumb { position: relative; display: none; width: auto; height: auto; border-radius: 0; }
.result-scores .expr { position: relative; top: auto; right: auto; width: 96px; max-width: none; }
.result-scores .expr img { width: 96px; height: 96px; }
.result-scores .winner .expr img { border-color: var(--gold); box-shadow: 0 0 24px rgba(214, 188, 135, .55); }
.result-scores .expr figcaption { font-size: 12px; }
@media (max-width: 899px) { .duelist-thumb { display: block; } }
@media (max-width: 600px) { .result-scores .expr, .result-scores .expr img { width: 64px; } .result-scores .expr img { height: 64px; } }
@media (prefers-reduced-motion: reduce) { .duelist-portrait .expr { animation: none; opacity: 1; } .expr img { transition: none; } }
.trial-panel .reward-stats { flex-wrap: wrap; gap: 12px 26px; }
.trial-panel .reward-stats b { white-space: nowrap; }
@media (max-width: 600px) { .trial-panel .time-table { font-size: 13px; } .trial-panel .time-table th, .trial-panel .time-table td { padding: 5px 4px; } }

/* ===== v5.3 人物圖不要底色 =====
   人物圖已全部去背（透明底），所以拿掉相框用的底色、拱門圓角與邊框；改用柔和的投影讓人物直接站在場景上，
   下緣與左右兩側做一小段淡出，不會出現一條硬邊。小圓頭像（角色選單、排行榜）維持圓形，但沒有填色。 */
.hero-character { background: none; border: 0; }
.hero-character img { border: 0; border-radius: 0; box-shadow: none; background: none; object-fit: contain; object-position: bottom;
  filter: drop-shadow(0 10px 24px rgba(0, 0, 0, .55)); }
.duelist-portrait { border: 0; border-radius: 0; background: none; box-shadow: none; overflow: visible; }
.duelist-portrait img { object-fit: contain; object-position: bottom; filter: drop-shadow(0 8px 20px rgba(0, 0, 0, .55)); }
.duelist.me .duelist-portrait img { filter: drop-shadow(0 8px 18px rgba(0, 0, 0, .55)) drop-shadow(0 0 5px var(--me)); }
.duelist.rival .duelist-portrait img { filter: drop-shadow(0 8px 18px rgba(0, 0, 0, .55)) drop-shadow(0 0 5px var(--rival)); }
.seat-portrait { background: none; }
.cast-portrait { border: 0; border-radius: 0; object-fit: contain; object-position: bottom; background: none;
  filter: drop-shadow(0 8px 20px rgba(0, 0, 0, .5)); }
/* 半身像的下緣與左右被圖片邊界切掉（衣袖、肩膀）：下緣與兩側各做一小段淡出，不會看到一個方框 */
.hero-character img, .duelist-portrait img, .cast-portrait {
  -webkit-mask-image: linear-gradient(to bottom, #000 84%, transparent), linear-gradient(to right, transparent, #000 9%, #000 91%, transparent);
  mask-image: linear-gradient(to bottom, #000 84%, transparent), linear-gradient(to right, transparent, #000 9%, #000 91%, transparent);
  -webkit-mask-composite: source-in; mask-composite: intersect; }
.character-choice img, .cast img, .role-tab img { background: none; }
@media (max-width: 600px) { .hero-character img { border-radius: 0; } }

/* v5.4 小昭隱藏能力：星塵加成顯示 */
.extra.xz { align-self: center; padding: 3px 12px; border-radius: 999px; background: rgba(224, 183, 154, .16); color: #f0cfae; font-size: 13px; }
.xz-banner { border-color: #e0b79a; background: rgba(224, 183, 154, .12); }
.xz-banner b { color: #f0cfae; }
.xz-note { color: #f0cfae; }
.xz-meter { margin-top: 10px; padding: 10px 12px; border-radius: 12px; border: 1px solid rgba(224, 183, 154, .5); background: rgba(224, 183, 154, .10); }
.xz-meter b { display: block; color: #f0cfae; font-size: 14px; }
.xz-meter small { display: block; margin-top: 6px; line-height: 1.5; }
.xz-bar { height: 8px; margin-top: 8px; border-radius: 999px; background: rgba(255, 255, 255, .14); overflow: hidden; }
.xz-bar i { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, #e0b79a, #f6dfb8); }
/* v5.6 隱藏能力：對戰卡片標記 */
.ability-tag { display: inline-block; margin-left: 4px; padding: 1px 7px; border-radius: 999px; font-style: normal; font-size: 11px; color: #f0cfae; background: rgba(224, 183, 154, .16); border: 1px solid rgba(224, 183, 154, .45); }