/* Credits wallet. Same palette as the account centre's gallery pages; no inline styles (CSP: style-src 'self'). */
:root{
  color-scheme:light;
  --paper:#faf9f6;--wall:#fff;--ink:#262822;--muted:#7b7b72;--line:#e3e1da;--line-strong:#cfccc2;
  --accent:#a8553a;--accent-soft:#f6ece6;--success:#2f6f43;--success-soft:#ebf3ed;--pending:#8a6418;--pending-soft:#f8f1e1;--error:#a3382d;--error-soft:#fbefec;
  --serif:Georgia,"Noto Serif TC","Songti TC","Noto Serif SC","Songti SC",serif;
  --sans:Inter,"SF Pro Text","PingFang TC","PingFang SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --ease:cubic-bezier(.22,.8,.18,1);
  font-family:var(--sans);color:var(--ink);background:var(--paper)
}
*{box-sizing:border-box}
html{background:var(--paper);overflow-x:clip}
body{margin:0;min-height:100svh;overflow-x:clip}
a{color:inherit;text-decoration:none}
button,select,input{font:inherit;color:inherit}
button,a,select{-webkit-tap-highlight-color:transparent}
button{cursor:pointer}button:disabled{cursor:not-allowed}
:where(a,button,select,[tabindex]):focus-visible{outline:2px solid var(--accent);outline-offset:4px;border-radius:2px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.skip{position:fixed;top:-80px;left:16px;z-index:20;padding:12px 16px;background:var(--ink);color:#fff}.skip:focus{top:12px}

/* Header: the account centre's dark bar */
.topbar{height:72px;padding:0 clamp(18px,4vw,64px);display:flex;align-items:center;justify-content:space-between;gap:16px;background:var(--ink);color:#fff}
.brand{display:inline-flex;align-items:center;gap:12px}
.brand-mark{width:36px;height:36px;display:grid;place-items:center;border:1px solid #474b43}
.brand-mark img{width:26px;height:26px;object-fit:contain}
.brand-word{width:148px;height:auto}
nav{display:flex;align-items:center;gap:24px;font-size:13px;letter-spacing:.03em}
.nav-link{opacity:.78;transition:opacity .2s}.nav-link:hover{opacity:1}
.language-label select{appearance:none;background:transparent;border:1px solid #4a4d45;border-radius:999px;padding:6px 14px;color:#fff;font-size:12px;cursor:pointer}
.language-label option{color:var(--ink)}

/* Layout */
.layout{max-width:1360px;margin:0 auto;display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(32px,6vw,96px);padding:clamp(36px,5vw,72px) clamp(18px,4vw,64px) 40px}
.side-sticky{position:sticky;top:32px}
.kicker{display:flex;align-items:center;gap:10px;margin:0 0 18px;font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--muted)}
.kicker::before{content:'';width:7px;height:7px;background:var(--accent);rotate:45deg}
h1{font:400 clamp(34px,3.6vw,52px)/1.1 var(--serif);letter-spacing:-.03em;margin:0 0 18px}
.intro{font-size:15px;line-height:1.75;color:var(--muted);max-width:420px;margin:0 0 30px}
html[lang^=zh] h1{line-height:1.35;letter-spacing:0}

/* The pass: balance card resting on a framed painting */
.pass-stage{position:relative;padding-bottom:4px}
.painting{margin:0;background:var(--wall);padding:10px;box-shadow:0 1px 2px rgba(38,40,34,.06),0 24px 50px -28px rgba(38,40,34,.45)}
.painting img{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:cover}
.pass{position:relative;margin:-64px 18px 0;padding:22px 24px 18px;background:var(--ink);color:#f3f2ec;border-radius:14px;box-shadow:0 30px 60px -30px rgba(38,40,34,.6)}
.pass::after{content:'';position:absolute;inset:0;border-radius:inherit;pointer-events:none;background:radial-gradient(120% 90% at 100% 0%,rgba(168,85,58,.28),transparent 55%)}
.pass-top,.pass-bottom{position:relative;z-index:1;display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:12px;color:#c9c8bf}
.account-state{display:inline-flex;align-items:center;gap:8px;max-width:60%;padding:4px 10px;border:1px solid #4a4d45;border-radius:999px;font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.account-state::before{content:'';flex-shrink:0;width:6px;height:6px;border-radius:50%;background:#85857c}
body.is-signed-in .account-state::before{background:#7fc495}
body.is-frozen .account-state::before{background:#e0a03b}
.balance{position:relative;z-index:1;display:flex;align-items:baseline;gap:12px;margin:18px 0 20px}
.balance strong{font:400 clamp(48px,5vw,68px)/1 var(--serif);letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.balance .unit{font:italic 18px var(--serif);color:#c9c8bf}
.pass-bottom{border-top:1px solid #42443d;padding-top:14px}
.pass-bottom a{color:#f3f2ec;opacity:.85}.pass-bottom a:hover{opacity:1}
body.is-loading .balance strong{color:transparent;width:2.6em;border-radius:6px;background:linear-gradient(90deg,#34362f,#45473f,#34362f) 0 0/200% 100%;animation:shimmer 1.4s linear infinite}

.return-card{margin-top:28px;padding:20px 22px;border:1px solid var(--line);border-radius:14px;background:var(--wall)}
.return-label{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}
.return-card a{display:flex;justify-content:space-between;align-items:center;margin-top:10px;font:400 24px/1.2 var(--serif)}
.return-card a .arrow{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:50%;border:1px solid var(--line-strong);font:14px var(--sans);transition:background .25s,color .25s,border-color .25s}
.return-card a:hover .arrow{background:var(--ink);border-color:var(--ink);color:#fff}
.return-card p{margin:10px 0 0;font-size:13px;line-height:1.65;color:var(--muted)}

/* Panels */
.content{min-width:0}
.panel{background:var(--wall);border:1px solid var(--line);border-radius:18px;padding:clamp(22px,3vw,34px)}
.panel+.panel{margin-top:22px}
.panel-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px}
.step{display:flex;align-items:center;gap:10px;margin:0 0 10px;font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}
.step span:first-child{font:italic 13px var(--serif);letter-spacing:0;color:var(--accent)}
h2{font:400 clamp(24px,2.3vw,30px)/1.2 var(--serif);letter-spacing:-.02em;margin:0}
html[lang^=zh] h2{letter-spacing:0}
.currency{padding:5px 10px;border:1px solid var(--line);border-radius:999px;font-size:11px;letter-spacing:.12em;color:var(--muted)}
.panel-copy{font-size:14px;line-height:1.7;color:var(--muted);margin:12px 0 22px}
fieldset{padding:0;border:0;margin:0;min-width:0}

/* Packages */
.packages{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.package-skeleton{height:168px;border-radius:14px;background:linear-gradient(90deg,#f1f0eb,#f8f7f3,#f1f0eb) 0 0/200% 100%;animation:shimmer 1.4s linear infinite}
.package-choice{position:relative;display:block;cursor:pointer}
.package-choice input{position:absolute;inset:0;opacity:0;margin:0;cursor:pointer}
.package{position:relative;display:flex;flex-direction:column;min-height:168px;padding:20px 18px 18px;border:1px solid var(--line);border-radius:14px;background:var(--paper);transition:border-color .25s,background .25s,transform .35s var(--ease),box-shadow .35s var(--ease)}
.package-choice:hover .package{border-color:var(--line-strong);transform:translateY(-2px)}
.package .check{position:absolute;top:16px;right:16px;width:20px;height:20px;border-radius:50%;border:1.5px solid var(--line-strong);display:grid;place-items:center;transition:background .2s,border-color .2s}
.package .check::after{content:'';width:8px;height:4px;border-left:2px solid #fff;border-bottom:2px solid #fff;rotate:-45deg;translate:0 -1px;opacity:0;transition:opacity .2s}
.package .credits{font:400 clamp(30px,3vw,40px)/1 var(--serif);letter-spacing:-.02em;font-variant-numeric:tabular-nums;margin-top:6px}
.package .unit{font-size:12px;color:var(--muted);margin-top:4px}
.package .amount{margin-top:auto;padding-top:18px;border-top:1px solid var(--line);font-size:15px;font-weight:600;font-variant-numeric:tabular-nums}
.package-choice input:checked+.package{border-color:var(--ink);background:var(--wall);box-shadow:0 0 0 1px var(--ink),0 18px 34px -24px rgba(38,40,34,.55)}
.package-choice input:checked+.package .check{background:var(--accent);border-color:var(--accent)}
.package-choice input:checked+.package .check::after{opacity:1}
.package-choice input:focus-visible+.package{outline:2px solid var(--accent);outline-offset:4px}

.summary{display:grid;grid-template-columns:1fr 1fr;margin:22px 0 16px;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.summary>div{display:flex;flex-direction:column;gap:4px;padding:14px 18px}
.summary>div+div{border-left:1px solid var(--line)}
.summary span{font-size:12px;color:var(--muted)}
.summary strong{font-size:20px;font-weight:600;font-variant-numeric:tabular-nums}
.pay{width:100%;height:58px;display:flex;justify-content:space-between;align-items:center;padding:0 24px;border:0;border-radius:999px;background:var(--ink);color:#fff;font-size:15px;transition:background .25s}
.pay-arrow{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;background:rgba(255,255,255,.12);transition:transform .35s var(--ease)}
.pay:hover:enabled{background:var(--accent)}.pay:hover:enabled .pay-arrow{transform:translateX(3px)}
.pay:disabled{background:#e9e7e0;color:#8a897f}.pay:disabled .pay-arrow{background:transparent}
body.is-busy .pay-arrow{animation:spin 1s linear infinite}
.payment-note{font-size:12px;line-height:1.7;color:var(--muted);margin:12px 4px 0}

/* Status notices: info, success, pending, error */
.notice{position:relative;margin:0 0 22px;padding:14px 18px 14px 46px;border-radius:12px;border:1px solid #d9d6cc;background:var(--wall);font-size:14px;line-height:1.65;overflow-wrap:anywhere;animation:rise .45s var(--ease)}
.notice::before{content:'i';position:absolute;left:16px;top:15px;width:20px;height:20px;border-radius:50%;display:grid;place-items:center;font:600 11px var(--sans);background:var(--ink);color:#fff}
.notice.error{border-color:#e6c4bc;background:var(--error-soft);color:var(--error)}.notice.error::before{content:'!';background:var(--error)}
.notice.success{border-color:#c6dccc;background:var(--success-soft);color:var(--success)}.notice.success::before{content:'✓';background:var(--success)}
.notice.pending{border-color:#ead9b2;background:var(--pending-soft);color:var(--pending)}.notice.pending::before{content:'';background:transparent;border:2px solid currentColor;border-top-color:transparent;animation:spin 1s linear infinite}
.notice a{text-decoration:underline}

/* History */
.text-button{border:0;background:none;padding:6px 0;color:var(--muted);font-size:13px;white-space:nowrap}.text-button:hover{color:var(--ink)}
.tabs{display:inline-flex;gap:4px;margin-top:20px;padding:4px;border-radius:999px;background:var(--paper);border:1px solid var(--line)}
.tabs button{border:0;background:none;padding:8px 16px;border-radius:999px;color:var(--muted);font-size:13px;transition:background .25s,color .25s}
.tabs button[aria-selected=true]{background:var(--ink);color:#fff}
.history-panel{margin-top:14px}
.empty{margin:0;padding:34px 20px;text-align:center;font-size:14px;line-height:1.7;color:var(--muted);border:1px dashed var(--line-strong);border-radius:12px}
.history-row{display:grid;grid-template-columns:40px minmax(0,1fr) auto;gap:14px;align-items:center;padding:16px 0;border-bottom:1px solid var(--line)}
.history-row:last-child{border-bottom:0}
.history-icon{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:var(--paper);border:1px solid var(--line);font:italic 15px var(--serif);color:var(--accent)}
.history-row strong{display:block;font-size:14px;font-weight:600}
.history-row small{display:block;margin-top:4px;font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}
.history-row .delta{text-align:right;font-size:15px;font-weight:600;font-variant-numeric:tabular-nums}
.history-row .delta.plus{color:var(--success)}
.pill{display:inline-block;margin-top:5px;padding:2px 9px;border-radius:999px;font-size:11px;font-weight:500;background:var(--paper);color:var(--muted);border:1px solid var(--line)}
.pill.paid{background:var(--success-soft);color:var(--success);border-color:#c6dccc}
.pill.pending{background:var(--pending-soft);color:var(--pending);border-color:#ead9b2}
.pill.review{background:var(--error-soft);color:var(--error);border-color:#e6c4bc}
.history-row .recheck{display:block;margin:6px 0 0 auto;border:0;background:none;padding:0;color:var(--accent);font-size:12px;text-decoration:underline;text-underline-offset:3px}
.more{display:block;margin:14px auto 0}

.foot{display:flex;justify-content:space-between;gap:16px;margin-top:28px;padding:18px 4px 0;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}

@keyframes shimmer{to{background-position:-200% 0}}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes rise{from{opacity:0;transform:translateY(8px)}}

/* Tablet: balance pass and return card side by side, panels below */
@media(max-width:1020px){
  .layout{grid-template-columns:1fr;gap:28px}
  .side-sticky{position:static;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:0 28px;align-items:end}
  .kicker,h1,.intro{grid-column:1/-1}
  .return-card{margin-top:0}
}
@media(max-width:700px){
  .topbar{height:62px}
  .brand-mark{width:32px;height:32px}.brand-word{width:118px}
  nav{gap:14px}
  .layout{padding:28px 16px 32px}
  .side-sticky{display:block}
  h1{font-size:clamp(30px,8.4vw,38px)}h1 br{display:none}
  .intro{margin-bottom:22px;font-size:14px}
  .painting{padding:6px}.painting img{aspect-ratio:16/9}
  .pass{margin:-44px 10px 0;padding:18px 18px 14px}
  .balance strong{font-size:52px}
  .return-card{margin-top:18px;padding:16px 18px}
  .return-card a{font-size:20px}
  .return-card p{font-size:12px}
  .panel{border-radius:16px;padding:20px 16px}
  .panel-head{align-items:flex-start}
  .packages{grid-template-columns:1fr;gap:10px}
  .package-skeleton{height:76px}
  .package{min-height:0;display:grid;grid-template-columns:auto 1fr auto;align-items:baseline;gap:4px 10px;padding:16px 52px 16px 18px}
  .package .credits{margin:0;font-size:30px}
  .package .unit{margin:0}
  .package .amount{margin:0;padding:0;border:0;font-size:15px}
  .package .check{top:50%;translate:0 -50%}
  .summary{margin-top:18px}
  .summary strong{font-size:17px}
  .pay{height:54px;padding:0 10px 0 22px;font-size:14px}
  .history-row{grid-template-columns:34px minmax(0,1fr) auto;gap:10px}
  .history-icon{width:34px;height:34px}
  .tabs{display:flex}.tabs button{flex:1;padding:8px 10px}
  .foot{flex-direction:column;gap:4px}
}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}}