/* ══════════════════════════════════════════════════
   玄账 · 收银台   墨青 / 宣纸 / 朱砂 / 鎏金
   ══════════════════════════════════════════════════ */
:root {
  --ink-0: #070f13;
  --ink-1: #0c1a20;
  --ink-2: #12262e;
  --ink-3: #19333c;
  --line: rgba(217, 164, 65, 0.16);
  --line-strong: rgba(217, 164, 65, 0.38);
  --paper: #f2ebe0;
  --paper-2: #e3d9c6;
  --cinnabar: #e3452f;
  --cinnabar-2: #f4703f;
  --gold: #d9a441;
  --gold-2: #f0c36a;
  --jade: #35b79b;
  --text: #e7eef1;
  --muted: #7d949c;
  --font-display: "Noto Serif SC", "Songti SC", "SimSun", serif;
  --font-body: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-mono: "IBM Plex Mono", "Consolas", "Courier New", monospace;
  --shadow-deep: 0 24px 60px rgba(0, 0, 0, 0.45);
  --radius: 18px;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; padding: 0; }
body {
  min-height: 100vh;
  background: var(--ink-0);
  color: var(--text);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ── 背景氛围 ── */
.bg-grid {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background-image:
    repeating-linear-gradient(0deg, rgba(217,164,65,0.045) 0 1px, transparent 1px 64px),
    repeating-linear-gradient(90deg, rgba(217,164,65,0.045) 0 1px, transparent 1px 64px);
  mask-image: radial-gradient(ellipse 90% 70% at 50% 20%, #000 20%, transparent 85%);
}
.bg-glow {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background:
    radial-gradient(760px 420px at 12% -8%, rgba(217,164,65,0.18), transparent 65%),
    radial-gradient(820px 520px at 92% 8%, rgba(53,183,155,0.14), transparent 62%),
    radial-gradient(1100px 700px at 50% 120%, rgba(227,69,47,0.10), transparent 70%);
}

/* ── 顶栏 ── */
.topbar {
  position: relative; z-index: 2;
  display: flex; align-items: center; justify-content: space-between;
  padding: 26px clamp(18px, 4vw, 52px) 10px;
}
.brand { display: flex; align-items: center; gap: 16px; }
.seal {
  width: 52px; height: 52px; border-radius: 12px;
  display: grid; place-items: center;
  background: linear-gradient(150deg, var(--cinnabar), #b32c1c);
  color: #fff; font-family: var(--font-display); font-size: 28px; font-weight: 900;
  box-shadow: 0 10px 26px rgba(227,69,47,0.42), inset 0 1px 0 rgba(255,255,255,0.28);
  transform: rotate(-3deg);
}
.brand-text h1 {
  margin: 0; font-family: var(--font-display); font-size: 26px; font-weight: 900;
  letter-spacing: 4px; line-height: 1.1;
  background: linear-gradient(92deg, var(--gold-2), var(--gold) 45%, #a97d2c);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.brand-text p {
  margin: 5px 0 0; font-size: 12px; letter-spacing: 2.5px; color: var(--muted);
}
.top-right { display: flex; align-items: center; gap: 14px; }
.ledger-chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 14px; border-radius: 999px;
  border: 1px solid var(--line); background: rgba(18,38,46,0.7);
  font-size: 12px; letter-spacing: 1.5px; color: var(--muted);
}
.ledger-chip .dot {
  width: 7px; height: 7px; border-radius: 50%; background: var(--jade);
  box-shadow: 0 0 0 0 rgba(53,183,155,0.6); animation: pulse 2.4s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(53,183,155,0.55); }
  70% { box-shadow: 0 0 0 9px rgba(53,183,155,0); }
  100% { box-shadow: 0 0 0 0 rgba(53,183,155,0); }
}
.clock {
  font-family: var(--font-mono); font-size: 20px; letter-spacing: 2px;
  color: var(--gold-2); font-variant-numeric: tabular-nums;
  padding: 8px 16px; border: 1px solid var(--line); border-radius: 12px;
  background: linear-gradient(180deg, rgba(217,164,65,0.10), rgba(217,164,65,0.03));
}

/* ── 主舞台 ── */
.stage {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  gap: 26px;
  padding: 18px clamp(18px, 4vw, 52px) 30px;
  align-items: start;
}
@media (max-width: 1020px) {
  .stage { grid-template-columns: 1fr; }
  .topbar { flex-direction: column; align-items: flex-start; gap: 14px; }
  .top-right { width: 100%; justify-content: space-between; }
}

.panel {
  position: relative;
  background:
    linear-gradient(180deg, rgba(25,51,60,0.92), rgba(12,26,32,0.94));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 26px 28px;
  box-shadow: var(--shadow-deep);
  overflow: hidden;
}
.panel::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(240,195,106,0.55), transparent);
}
.panel::after {
  content: ""; position: absolute; right: -70px; top: -70px;
  width: 190px; height: 190px; border-radius: 50%;
  background: radial-gradient(circle, rgba(217,164,65,0.12), transparent 70%);
  pointer-events: none;
}

.panel-head {
  display: flex; align-items: flex-start; justify-content: space-between;
  margin-bottom: 22px;
}
.eyebrow {
  display: block; font-family: var(--font-mono); font-size: 10.5px;
  letter-spacing: 3px; color: var(--gold); opacity: 0.85; margin-bottom: 8px;
}
.panel-head h2 {
  margin: 0; font-family: var(--font-display); font-size: 23px;
  font-weight: 700; letter-spacing: 3px;
}
.step-index {
  font-family: var(--font-mono); font-size: 30px; font-weight: 600;
  color: rgba(217,164,65,0.30); letter-spacing: 1px; line-height: 1;
}

/* ── 表单 ── */
.field { margin-bottom: 20px; }
.field-label {
  display: block; font-size: 12px; letter-spacing: 2.5px;
  color: var(--muted); margin-bottom: 10px;
}

.amount-box {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 18px;
  border: 1px solid var(--line-strong); border-radius: 14px;
  background: rgba(7,15,19,0.55);
  transition: border-color 0.25s, box-shadow 0.25s, background 0.25s;
}
.amount-box:focus-within {
  border-color: var(--gold);
  background: rgba(217,164,65,0.08);
  box-shadow: 0 0 0 4px rgba(217,164,65,0.13), 0 12px 32px rgba(0,0,0,0.35);
}
.amount-box .currency {
  font-family: var(--font-display); font-size: 30px; color: var(--gold-2); font-weight: 700;
}
#amount {
  flex: 1; min-width: 0; border: 0; outline: 0; background: transparent;
  font-family: var(--font-mono); font-size: 42px; font-weight: 600;
  letter-spacing: 1px; color: var(--text); font-variant-numeric: tabular-nums;
}
#amount::placeholder { color: rgba(125,148,156,0.42); }
.amount-clear {
  width: 30px; height: 30px; border-radius: 50%; border: 1px solid var(--line);
  background: transparent; color: var(--muted); font-size: 17px; cursor: pointer;
  transition: all 0.2s;
}
.amount-clear:hover { color: var(--cinnabar-2); border-color: rgba(227,69,47,0.5); }
.amount-hint { margin-top: 9px; font-size: 11.5px; color: rgba(125,148,156,0.72); letter-spacing: 0.5px; }
.amount-hint.error { color: var(--cinnabar-2); }

/* 类型 chips */
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  position: relative;
  padding: 11px 18px; border-radius: 999px; cursor: pointer;
  border: 1px solid var(--line); background: rgba(18,38,46,0.55);
  color: var(--muted); font-size: 13.5px; letter-spacing: 1.5px;
  transition: all 0.22s cubic-bezier(0.2, 0.8, 0.25, 1);
  user-select: none;
}
.chip:hover { color: var(--text); border-color: var(--line-strong); transform: translateY(-2px); }
.chip.active {
  color: #fff; border-color: transparent;
  background: linear-gradient(135deg, var(--cinnabar), var(--cinnabar-2));
  box-shadow: 0 12px 26px rgba(227,69,47,0.34);
}
.chip-skeleton {
  width: 92px; height: 40px; border-radius: 999px;
  background: linear-gradient(90deg, rgba(255,255,255,0.05), rgba(255,255,255,0.10), rgba(255,255,255,0.05));
  background-size: 200% 100%; animation: shimmer 1.4s infinite;
}
@keyframes shimmer { to { background-position: -200% 0; } }

/* 商品选择 */
.select-wrap { position: relative; }
.select-wrap select {
  width: 100%; appearance: none; -webkit-appearance: none;
  padding: 15px 46px 15px 18px; border-radius: 13px;
  border: 1px solid var(--line); background: rgba(7,15,19,0.55);
  color: var(--text); font-size: 15px; font-family: var(--font-body);
  cursor: pointer; outline: none; transition: all 0.22s;
}
.select-wrap select:focus { border-color: var(--gold); box-shadow: 0 0 0 4px rgba(217,164,65,0.12); }
.select-wrap select option { background: var(--ink-2); color: var(--text); }
.select-wrap .chev {
  position: absolute; right: 16px; top: 50%; transform: translateY(-50%);
  width: 18px; height: 18px; color: var(--gold); pointer-events: none;
}

.product-card {
  display: flex; align-items: center; gap: 14px;
  margin-top: 12px; padding: 13px;
  border: 1px solid var(--line); border-radius: 14px;
  background: linear-gradient(120deg, rgba(217,164,65,0.09), rgba(217,164,65,0.02));
  animation: rise 0.4s cubic-bezier(0.2, 0.8, 0.25, 1);
}
@keyframes rise { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
.product-thumb {
  width: 58px; height: 58px; border-radius: 12px; overflow: hidden; flex: none;
  border: 1px solid var(--line-strong); background: var(--ink-3);
}
.product-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.product-meta { flex: 1; min-width: 0; }
.product-title {
  font-family: var(--font-display); font-size: 16px; font-weight: 700;
  letter-spacing: 1px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.product-sub { margin-top: 4px; font-size: 12px; color: var(--gold-2); letter-spacing: 1px; }
.product-note { margin-top: 3px; font-size: 11px; color: var(--muted); }
.product-price {
  font-family: var(--font-mono); color: var(--cinnabar-2);
  font-size: 13px; letter-spacing: 0.5px; white-space: nowrap;
}
.product-price b { font-size: 21px; font-weight: 600; margin-left: 3px; }

#remark {
  width: 100%; padding: 14px 18px; border-radius: 13px;
  border: 1px solid var(--line); background: rgba(7,15,19,0.55);
  color: var(--text); font-size: 14.5px; outline: none; transition: all 0.22s;
}
#remark:focus { border-color: var(--gold); box-shadow: 0 0 0 4px rgba(217,164,65,0.12); }
#remark::placeholder { color: rgba(125,148,156,0.55); }

/* 收款按钮 */
.pay-btn {
  position: relative; width: 100%; border: 0; cursor: pointer;
  padding: 20px 22px; border-radius: 15px; overflow: hidden;
  color: #fff; font-size: 18px; letter-spacing: 6px; font-weight: 700;
  font-family: var(--font-display);
  transition: transform 0.22s cubic-bezier(0.2, 0.8, 0.25, 1), box-shadow 0.22s;
  box-shadow: 0 18px 40px rgba(227,69,47,0.38);
  margin-top: 6px;
}
.pay-btn-bg {
  position: absolute; inset: 0;
  background: linear-gradient(120deg, var(--cinnabar), var(--cinnabar-2) 52%, var(--gold));
}
.pay-btn-bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, transparent 20%, rgba(255,255,255,0.34) 48%, transparent 76%);
  transform: translateX(-120%); transition: transform 0.7s ease;
}
.pay-btn:hover { transform: translateY(-3px); box-shadow: 0 24px 52px rgba(227,69,47,0.5); }
.pay-btn:hover .pay-btn-bg::after { transform: translateX(120%); }
.pay-btn:active { transform: translateY(0) scale(0.99); }
.pay-btn:disabled { opacity: 0.62; cursor: not-allowed; transform: none; }
.pay-btn-label {
  position: relative; display: inline-flex; align-items: center; gap: 12px;
}
.pay-btn-label svg { width: 22px; height: 22px; }
.pay-btn.loading .pay-btn-label { opacity: 0.28; }
.pay-btn.loading::after {
  content: ""; position: absolute; left: 50%; top: 50%;
  width: 26px; height: 26px; margin: -13px 0 0 -13px;
  border: 2.5px solid rgba(255,255,255,0.35); border-top-color: #fff;
  border-radius: 50%; animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.fineprint {
  margin: 14px 0 0; text-align: center;
  font-size: 11.5px; letter-spacing: 1px; color: rgba(125,148,156,0.68);
}

/* ── 出片台 ── */
.order-tag {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 8px 13px; border-radius: 11px;
  border: 1px solid var(--line); background: rgba(7,15,19,0.5);
}
.order-tag-label { font-size: 10.5px; letter-spacing: 2px; color: var(--muted); }
.order-tag-no { font-family: var(--font-mono); font-size: 12px; color: var(--gold-2); letter-spacing: 0.5px; }

.out-stage {
  position: relative; border-radius: 16px; overflow: hidden;
  background:
    linear-gradient(145deg, #efe6d6, #e2d6c0);
  border: 1px solid var(--line);
  min-height: 380px;
  display: flex; align-items: center; justify-content: center;
  padding: 22px;
}
.out-stage::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    repeating-linear-gradient(0deg, rgba(120,90,50,0.05) 0 1px, transparent 1px 26px),
    repeating-linear-gradient(90deg, rgba(120,90,50,0.05) 0 1px, transparent 1px 26px);
}
.out-empty { text-align: center; color: #7b6a52; position: relative; }
.empty-mark {
  width: 92px; height: 92px; margin: 0 auto 16px; border-radius: 22px;
  display: grid; place-items: center;
  background: rgba(255,255,255,0.55); border: 1px dashed rgba(122,96,58,0.35);
}
.empty-mark svg { width: 46px; height: 46px; fill: rgba(122,96,58,0.5); stroke: rgba(122,96,58,0.5); }
.empty-title { margin: 0; font-family: var(--font-display); font-size: 18px; letter-spacing: 3px; color: #6c5a42; }
.empty-desc { margin: 9px 0 0; font-size: 12.5px; letter-spacing: 1px; color: #927c5f; }

.out-image-wrap {
  position: relative; width: min(100%, 360px);
  animation: drop 0.55s cubic-bezier(0.2, 0.85, 0.25, 1);
}
@keyframes drop {
  from { opacity: 0; transform: translateY(22px) scale(0.96); }
  to { opacity: 1; transform: none; }
}
#payImage {
  display: block; width: 100%; height: auto; border-radius: 8px;
  box-shadow: 0 28px 60px rgba(60,38,12,0.32), 0 2px 0 rgba(255,255,255,0.5);
}
.scanline {
  position: absolute; left: 0; right: 0; height: 34%;
  background: linear-gradient(180deg, transparent, rgba(255,255,255,0.55), transparent);
  mix-blend-mode: overlay; pointer-events: none;
  animation: scan 2.6s cubic-bezier(0.5, 0, 0.5, 1) 1;
}
@keyframes scan {
  0% { top: -34%; opacity: 0; }
  12% { opacity: 1; }
  88% { opacity: 1; }
  100% { top: 100%; opacity: 0; }
}
.status-float {
  position: absolute; left: 12px; bottom: 12px;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 13px; border-radius: 999px;
  background: rgba(12,26,32,0.86); color: var(--text);
  font-size: 11.5px; letter-spacing: 1.5px;
  border: 1px solid rgba(255,255,255,0.12);
  backdrop-filter: blur(6px);
}
.status-dot {
  width: 7px; height: 7px; border-radius: 50%; background: var(--gold);
  animation: pulse 1.8s infinite;
}
.status-float.paid .status-dot { background: var(--jade); animation: none; }
.status-float.paid { border-color: rgba(53,183,155,0.5); }

.out-actions {
  display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px;
}
.ghost-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 16px; border-radius: 12px; cursor: pointer;
  border: 1px solid var(--line-strong); background: rgba(217,164,65,0.07);
  color: var(--gold-2); font-size: 12.5px; letter-spacing: 1.5px;
  text-decoration: none; transition: all 0.22s;
}
.ghost-btn svg { width: 17px; height: 17px; }
.ghost-btn:hover {
  background: rgba(217,164,65,0.16); transform: translateY(-2px);
  border-color: var(--gold);
}
.ghost-btn--pay {
  border-color: rgba(53,183,155,0.5); color: var(--jade);
  background: rgba(53,183,155,0.10);
}
.ghost-btn--pay:hover { background: rgba(53,183,155,0.2); border-color: var(--jade); }

.receipt {
  margin-top: 18px; padding: 15px 17px; border-radius: 13px;
  border: 1px dashed var(--line-strong);
  background: rgba(7,15,19,0.4);
}
.receipt-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 7px 0; font-size: 12.5px; letter-spacing: 1px;
}
.receipt-row + .receipt-row { border-top: 1px solid rgba(217,164,65,0.12); }
.receipt-row span { color: var(--muted); }
.receipt-row b {
  font-family: var(--font-mono); font-weight: 500; color: var(--text);
  font-variant-numeric: tabular-nums;
}

/* ── 底部 / toast ── */
.foot {
  position: relative; z-index: 1;
  display: flex; justify-content: center; gap: 12px; flex-wrap: wrap;
  padding: 8px 20px 30px; font-size: 11px; letter-spacing: 1.5px;
  color: rgba(125,148,156,0.55);
}
.foot-sep { opacity: 0.4; }

.toast {
  position: fixed; left: 50%; bottom: 34px; z-index: 99;
  transform: translate(-50%, 24px); opacity: 0; pointer-events: none;
  padding: 13px 22px; border-radius: 12px;
  background: rgba(12,26,32,0.94); color: var(--text);
  border: 1px solid var(--line-strong);
  box-shadow: 0 18px 40px rgba(0,0,0,0.45);
  font-size: 13px; letter-spacing: 1.5px;
  transition: all 0.32s cubic-bezier(0.2, 0.85, 0.25, 1);
}
.toast.show { transform: translate(-50%, 0); opacity: 1; }
.toast.error { border-color: rgba(227,69,47,0.55); color: #ffb4a4; }
.toast.success { border-color: rgba(53,183,155,0.55); color: #a9f0dd; }

@media (max-width: 560px) {
  #amount { font-size: 34px; }
  .panel { padding: 20px 18px 22px; }
  .brand-text h1 { font-size: 22px; letter-spacing: 3px; }
  .clock { font-size: 16px; }
}