/* ============================================================
   LaiTTS Portal — shared design tokens & components
   Visual language adapted from the xs_tts (LaiVox) browser
   extension's "Soundstage" design system for consistency across
   products. This is an independent copy, not a shared build
   artifact — token values must be updated by hand here if the
   extension's palette changes.
   ============================================================ */

/* ===== 1. TOKENS ===== */
:root {
  --bg-page:     #0a0813;
  --bg-stage:    #110d1c;
  --bg-card:     #181426;
  --bg-card-2:   #1f1a30;
  --bg-elevated: #2a2342;
  --line:        rgba(255,255,255,0.06);
  --line-strong: rgba(255,255,255,0.12);
  --ink:         #f3eee4;
  --ink-mute:    #a89eba;
  --ink-dim:     #6e6485;
  --signal:      #8ce9d3;   /* teal — primary accent / success */
  --signal-soft: #6b8cf0;   /* iris — secondary accent / info */
  --signal-warm: #ffb38a;   /* warm beacon — pending / attention */
  --danger:      #ff8a96;
  --soft-shadow: 0 1px 0 rgba(255,255,255,0.04) inset, 0 24px 60px -20px rgba(0,0,0,0.6);
  color-scheme: dark;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg-page:     #ebe3d2;
    --bg-stage:    #f4ecdb;
    --bg-card:     #fbf6e9;
    --bg-card-2:   #f5ecd7;
    --bg-elevated: #fffaee;
    --line:        rgba(40,28,12,0.10);
    --line-strong: rgba(40,28,12,0.20);
    --ink:         #2a1f10;
    --ink-mute:    #6b5638;
    --ink-dim:     #9a8463;
    --signal:      #2f6b54;
    --signal-soft: #41538f;
    --signal-warm: #b3551f;
    --danger:      #a83b3b;
    --soft-shadow: 0 1px 0 rgba(255,255,255,0.5) inset, 0 18px 40px -18px rgba(60,42,22,0.25);
    color-scheme: light;
  }
}
/* 手动主题开关预留位：若将来需要独立于系统设置切换，可加
   body.theme-dark / body.theme-light 覆盖以上 :root token
   （与 xs_tts 的 body-class 方案一致）。这些页面是一次性停留页
   （登录/支付），目前只跟随系统 prefers-color-scheme，不做手动切换。 */

/* ===== 2. RESET / BASE ===== */
* { box-sizing: border-box; }
html, body { height: auto; min-height: 100%; }
body {
  position: relative;
  margin: 0;
  font-family: 'Space Grotesk', system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-size: 14px;
  line-height: 1.45;
  background: var(--bg-page);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { margin: 0; font-weight: 600; }
p { margin: 0; }
a { color: var(--signal-soft); }
::selection { background: var(--signal); color: var(--bg-page); }

.mono {
  font-family: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
}
.eyebrow {
  font-family: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-dim);
  margin-bottom: 8px;
}
.hint {
  color: var(--ink-mute);
  font-size: 0.8125rem;
  line-height: 1.5;
}

/* ===== 3. ATMOSPHERE ===== */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 60% at 30% 10%, rgba(140,233,211,0.06), transparent 70%),
    radial-gradient(ellipse 80% 60% at 30% 10%, color-mix(in oklab, var(--signal) 6%, transparent), transparent 70%),
    radial-gradient(ellipse 70% 70% at 80% 90%, rgba(107,140,240,0.06), transparent 70%),
    radial-gradient(ellipse 70% 70% at 80% 90%, color-mix(in oklab, var(--signal-soft) 6%, transparent), transparent 70%);
}

/* ===== 4. LAYOUT ===== */
.stage-wrap {
  position: relative;
  z-index: 1;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 16px;
}
.stage-wrap--top {
  align-items: flex-start;
  padding-top: 48px;
  padding-bottom: 48px;
}
.portal {
  position: relative;
  width: 100%;
  background: var(--bg-stage);
  border-radius: 28px;
  border: 1px solid var(--line);
  box-shadow: var(--soft-shadow), 0 60px 140px -40px rgba(0,0,0,0.55);
  padding: 32px 28px;
  animation: fade-up 400ms cubic-bezier(.2,.8,.2,1) both;
}
.portal--sm   { max-width: 420px; }
.portal--md   { max-width: 560px; }
.portal--wide { max-width: 768px; padding: 40px 44px 56px; }

@media (max-width: 479px) {
  .stage-wrap { padding: 0; }
  .portal { border-radius: 0; min-height: 100dvh; box-shadow: none; border: none; }
  .portal--wide { padding: 32px 20px 40px; }
}

/* ===== 5. FORM CONTROLS ===== */
label {
  display: block;
  margin-top: 10px;
  margin-bottom: 4px;
  font-size: 0.8125rem;
  color: var(--ink-mute);
}
input[type="text"], input[type="email"], input[type="password"], textarea, select {
  width: 100%;
  padding: 9px 12px;
  font: inherit;
  font-size: 0.875rem;
  color: var(--ink);
  background: var(--bg-card-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  outline: none;
  transition: border-color 180ms ease, box-shadow 180ms ease;
}
input::placeholder, textarea::placeholder { color: var(--ink-dim); }
input[type="text"]:focus, input[type="email"]:focus, input[type="password"]:focus, textarea:focus, select:focus {
  border-color: var(--signal);
  border-color: color-mix(in oklab, var(--signal) 55%, var(--line));
  box-shadow: 0 0 0 3px rgba(140,233,211,0.16);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--signal) 16%, transparent);
}

/* ===== 6. BUTTONS ===== */
button {
  font: inherit;
  cursor: pointer;
}
button, a.btn {
  border-radius: 14px;
  border: none;
}
.cta, button[type="submit"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  height: 46px;
  padding: 0 16px;
  margin-top: 14px;
  border-radius: 14px;
  background: var(--ink);
  color: var(--bg-stage);
  font-weight: 600;
  font-size: 0.9375rem;
  letter-spacing: -0.005em;
  transition: transform 120ms ease, box-shadow 220ms ease, opacity 200ms ease;
}
.cta:hover, button[type="submit"]:hover { transform: translateY(-1px); }
.cta:active, button[type="submit"]:active { transform: translateY(0); }
.cta:disabled, button[type="submit"]:disabled,
.cta[disabled], button[type="submit"][disabled] {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.btn-ghost, a.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 38px;
  padding: 0 16px;
  border-radius: 12px;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--ink-mute);
  font-size: 0.875rem;
  text-decoration: none;
  transition: color 180ms ease, border-color 180ms ease, background 180ms ease;
}
.btn-ghost:hover, a.btn:hover { color: var(--ink); background: var(--line); }
.btn-ghost:disabled { opacity: 0.5; cursor: not-allowed; }

a.btn { width: 100%; }

/* ===== 7. CARDS / SECTIONS ===== */
.section, .card, .order-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px 18px;
  margin-bottom: 20px;
}
.section h2 { font-size: 0.9375rem; margin: 0 0 12px 0; }

/* ===== 8. RESULT / STATUS FEEDBACK ===== */
.result {
  margin-top: 12px;
  padding: 10px 12px;
  font-size: 0.8125rem;
  border-radius: 12px;
  border: 1px solid transparent;
  animation: fade-up 300ms cubic-bezier(.2,.8,.2,1) both;
}
.result.success {
  background: rgba(140,233,211,0.12);
  background: color-mix(in oklab, var(--signal) 12%, transparent);
  border-color: rgba(140,233,211,0.3);
  border-color: color-mix(in oklab, var(--signal) 30%, transparent);
  color: var(--signal);
}
.result.error {
  background: rgba(255,138,150,0.12);
  background: color-mix(in oklab, var(--danger) 12%, transparent);
  border-color: rgba(255,138,150,0.3);
  border-color: color-mix(in oklab, var(--danger) 30%, transparent);
  color: var(--danger);
}
.result.info {
  background: rgba(107,140,240,0.12);
  background: color-mix(in oklab, var(--signal-soft) 12%, transparent);
  border-color: rgba(107,140,240,0.3);
  border-color: color-mix(in oklab, var(--signal-soft) 30%, transparent);
  color: var(--signal-soft);
}
.countdown { font-weight: 600; color: var(--signal-soft); }

/* status pill (billing success page) */
.status {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-family: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  letter-spacing: 0.04em;
  margin-bottom: 16px;
}
.status-paid {
  background: rgba(140,233,211,0.14);
  background: color-mix(in oklab, var(--signal) 14%, transparent);
  color: var(--signal);
}
.status-pending {
  background: rgba(255,179,138,0.14);
  background: color-mix(in oklab, var(--signal-warm) 14%, transparent);
  color: var(--signal-warm);
  animation: breathe 1.6s ease-in-out infinite;
}

/* checkout state machine: JS explicitly flips these to 'block' as needed */
#summary, #success, #error { display: none; }

/* generic error/warning box (checkout #error) */
#error {
  background: rgba(255,138,150,0.1);
  background: color-mix(in oklab, var(--danger) 10%, transparent);
  border: 1px solid rgba(255,138,150,0.3);
  border: 1px solid color-mix(in oklab, var(--danger) 30%, transparent);
  border-radius: 14px;
  padding: 16px;
  margin-top: 16px;
}
#error h2 { font-size: 0.9375rem; color: var(--danger); margin-bottom: 6px; }
#error p { font-size: 0.8125rem; color: var(--ink-mute); line-height: 1.5; }
#error a { color: var(--signal-soft); }

/* beta / warm informational banner (billing #beta-banner) */
.banner-warm {
  display: none;
  margin: 0 0 16px;
  padding: 12px 14px;
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--signal-warm);
  background: rgba(255,179,138,0.12);
  background: color-mix(in oklab, var(--signal-warm) 12%, transparent);
  border: 1px solid rgba(255,179,138,0.3);
  border: 1px solid color-mix(in oklab, var(--signal-warm) 30%, transparent);
  border-radius: 12px;
}

/* ===== 9. TABS (segmented control) ===== */
.tabs {
  display: flex;
  gap: 2px;
  padding: 4px;
  margin-bottom: 20px;
  background: var(--bg-card-2);
  border-radius: 14px;
  border: none;
}
.tabs button {
  flex: 1;
  margin: 0;
  height: 34px;
  border-radius: 10px;
  background: transparent;
  color: var(--ink-mute);
  font-size: 0.8125rem;
  font-weight: 500;
  border: none;
  transition: color 200ms ease, background 200ms ease;
}
.tabs button:hover { color: var(--ink); }
.tabs button.active {
  background: var(--bg-elevated);
  color: var(--ink);
}
.tab-panel { display: none; }
.tab-panel.active { display: block; animation: fade-up 300ms cubic-bezier(.2,.8,.2,1) both; }

/* ===== 10. LANG SWITCH ===== */
.lang-switch {
  position: absolute;
  top: 16px;
  right: 16px;
  font-family: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  z-index: 2;
}
.lang-switch a {
  color: var(--ink-dim);
  text-decoration: none;
  margin-left: 8px;
  cursor: pointer;
}
.lang-switch a.active { color: var(--ink); font-weight: 600; }

/* In-document language toggle (privacy policy) */
.doc-toolbar {
  display: flex;
  justify-content: flex-end;
  margin: -8px -4px 16px;
}
.lang-toggle {
  display: inline-flex;
  padding: 3px;
  gap: 2px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: var(--bg-card-2);
}
.lang-toggle button {
  appearance: none;
  margin: 0;
  border: none;
  background: transparent;
  color: var(--ink-mute);
  font: inherit;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0;
  padding: 7px 14px;
  border-radius: 999px;
  line-height: 1.2;
  min-width: 4.5em;
  height: auto;
  width: auto;
}
.lang-toggle button:hover { color: var(--ink); }
.lang-toggle button:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}
.lang-toggle button.active {
  background: var(--bg-elevated);
  color: var(--ink);
  box-shadow: 0 1px 0 rgba(255,255,255,0.06) inset;
}
.doc-lang[hidden] { display: none !important; }

/* ===== 11. TURNSTILE / PAYPAL ISLANDS ===== */
.turnstile-wrap {
  display: flex;
  justify-content: center;
  min-height: 65px;
  margin: 14px 0;
}
.turnstile-fail {
  width: 100%;
  padding: 12px 14px;
  font-size: 0.8125rem;
  color: var(--ink-mute);
  background: var(--bg-card-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  text-align: center;
}
.turnstile-fail button {
  margin-top: 8px;
  width: auto;
  min-width: 120px;
  height: 36px;
  margin-top: 10px;
  padding: 0 14px;
  font-size: 0.8125rem;
}
.verify-hint {
  margin: 6px 0 0;
  font-size: 0.75rem;
  color: var(--signal-warm);
}
.verify-loading {
  margin: 6px 0 0;
  font-size: 0.75rem;
  color: var(--signal-warm);
}
.pw-hint {
  margin: 4px 0 8px;
  font-size: 0.75rem;
  color: var(--ink-dim);
  min-height: 1.1em;
}
.pw-hint--error { color: var(--danger); }
.pw-hint--ok { color: var(--signal); }

/* ===== 11b. SLIDER CAPTCHA ===== */
.lai-slider-host {
  /* .turnstile-wrap 是 flex 容器，宿主 div 是 flex item。滑块内部（fill/thumb/label）
     全部 position:absolute，max-content 宽度为 0，flex item 会塌缩成 2px（只剩 track 边框），
     滑块肉眼不可见 → 按钮永久禁用。挂载时由 slider-captcha.js 打上本类，强制占满整行。
     不能直接写在 .turnstile-wrap > div 上：Turnstile widget 需要保持自身固有宽度。 */
  flex: 1 1 auto;
  width: 100%;
  min-width: 0;
}
.lai-slider { width: 100%; user-select: none; }
.lai-slider__track {
  position: relative;
  width: 100%;
  height: 42px;
  background: var(--bg-card-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
}
.lai-slider__fill {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 0;
  background: color-mix(in oklab, var(--signal) 18%, transparent);
  pointer-events: none;
  transition: width 120ms ease;
}
.lai-slider__thumb {
  position: absolute;
  left: 0;
  top: 3px;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--ink);
  color: var(--bg-stage);
  cursor: grab;
  touch-action: none;
  box-shadow: 0 2px 8px rgba(0,0,0,0.25);
  z-index: 2;
}
.lai-slider__thumb:active { cursor: grabbing; }
.lai-slider__label {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8125rem;
  color: var(--ink-dim);
  pointer-events: none;
  padding-left: 44px;
}
.lai-slider--passed .lai-slider__track {
  border-color: color-mix(in oklab, var(--signal) 45%, var(--line));
}
.lai-slider--passed .lai-slider__label { color: var(--signal); }
.lai-slider--passed .lai-slider__thumb { cursor: default; }

#paypal-btn-wrap {
  min-height: 55px;
  padding: 16px;
  background: var(--bg-card-2);
  border: 1px solid var(--line);
  border-radius: 14px;
}

/* ===== 12. SPINNER ===== */
.spinner {
  width: 40px;
  height: 40px;
  margin: 0 auto 20px;
  border: 3px solid var(--line-strong);
  border-top-color: var(--signal);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== 13. ICON / ORB ===== */
.icon, .success-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  border-radius: 50%;
  font-size: 1.75rem;
  background: rgba(140,233,211,0.14);
  background: color-mix(in oklab, var(--signal) 14%, transparent);
  color: var(--signal);
}
/* cancel page uses .icon for a warning glyph — warm tint instead of teal */
.cancel-icon {
  background: rgba(255,179,138,0.14);
  background: color-mix(in oklab, var(--signal-warm) 14%, transparent);
  color: var(--signal-warm);
}

/* ===== 14. PLAN CARDS (billing) ===== */
.plans { display: flex; flex-direction: column; gap: 12px; }
.plan {
  position: relative;
  padding: 18px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: var(--bg-card);
  transition: transform 200ms ease, border-color 200ms ease;
}
.plan:hover { transform: translateY(-2px); border-color: var(--line-strong); }
.plan.featured {
  border: 1px solid transparent;
  background:
    linear-gradient(var(--bg-card), var(--bg-card)) padding-box,
    linear-gradient(135deg, var(--signal), var(--signal-soft)) border-box;
  box-shadow: 0 12px 32px -16px rgba(140,233,211,0.35);
  box-shadow: 0 12px 32px -16px color-mix(in oklab, var(--signal) 35%, transparent);
}
.plan h2 { font-size: 0.9375rem; margin: 0 0 6px 0; }
.plan .price {
  font-family: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
}
.plan.featured .price { color: var(--signal); }
.plan .price small { font-size: 0.75rem; color: var(--ink-mute); font-weight: normal; }
.plan .features { list-style: none; padding: 0; margin: 0 0 4px 0; }
.plan .features li { font-size: 0.8125rem; color: var(--ink-mute); padding: 3px 0; }
.plan .features li::before { content: "✓ "; color: var(--signal); }
.badge {
  position: absolute;
  top: -1px;
  right: 12px;
  font-family: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  font-size: 0.625rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 0 0 8px 8px;
  background: var(--signal);
  color: var(--bg-stage);
}

/* ===== 15. ORDER CARD (checkout) ===== */
.order-title { font-size: 0.9375rem; color: var(--ink-mute); margin-bottom: 12px; }
.order-amount {
  font-family: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--signal);
  line-height: 1;
}
.order-amount small { font-size: 0.875rem; color: var(--ink-mute); font-weight: normal; margin-left: 4px; }
.order-meta { margin-top: 10px; font-size: 0.8125rem; color: var(--ink-dim); }

/* ===== 15b. CHECKOUT PAYMENT METHODS ===== */
.portal [hidden] { display: none !important; }
.checkout-countdown {
  margin: -8px 0 12px;
  font-size: 0.75rem;
  color: var(--signal-warm);
  text-align: right;
}
.pay-methods { position: relative; margin-top: 20px; }
/* 固定最小高度：PayPal 按钮异步渲染时不推挤下方内容 */
.pay-slot { min-height: 45px; margin-bottom: 10px; }
.pay-slot--gpay { height: 45px; }
/* 新版付款区里 PayPal 按钮与 Google Pay 平铺对齐；旧版页面（无 .pay-methods）保留原岛状样式 */
.pay-methods #paypal-btn-wrap { min-height: 45px; padding: 0; background: none; border: 0; border-radius: 0; }
.pay-divider {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 18px 0 4px;
  font-size: 0.75rem;
  color: var(--ink-dim);
}
.pay-divider::before, .pay-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line-strong);
}
/* Card Fields 的 iframe 容器：只占位，可见的输入框由 PayPal 在 iframe 内绘制
   （样式经 CardFields 的 style 传入，见 checkout.js cardFieldStyle）。
   外层不要再画边框或裁剪：iframe 实际高度由 PayPal 决定（实测 62px），
   容器写死高度 + overflow:hidden 会把它的输入框切掉，看起来就是框体溢出。 */
/* PayPal 的 iframe 文档自带白底且改不掉（body/:root 选择器不被 CardFields 支持），
   iframe 又比输入框高一圈，白边会在深色主题下露出来。
   办法是按输入框高度裁剪：高度固定 + overflow:hidden，iframe 的上移量由 checkout.js
   运行时按实测高度计算（不写死，PayPal 改内部间距也不会错位）。 */
.card-field {
  height: 46px;
  overflow: hidden;
  border-radius: 12px;
  border: 1px solid var(--line-strong);
  background: #fff;
  transition: border-color 180ms ease, box-shadow 180ms ease;
}
/* 焦点在跨域 iframe 内时 :focus-within 不会命中祖先，
   所以聚焦/错误态由 checkout.js 用 CardFields 的 inputEvents 回调打类 */
.card-field.is-focused {
  border-color: var(--signal);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--signal) 16%, transparent);
}
.card-field.is-invalid { border-color: var(--danger); }
.card-field.is-invalid.is-focused {
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--danger) 16%, transparent);
}
.card-field iframe { display: block; }
.card-field > *, .card-field iframe { width: 100% !important; max-width: 100%; }
/* minmax(0,1fr) + min-width:0：iframe 自带 300px 固有宽度，默认 min-width:auto 会把窄屏撑出横向滚动 */
.card-row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 12px; }
.card-row > div { min-width: 0; }
.card-error {
  min-height: 1.1em;
  margin: 6px 0 0;
  font-size: 0.75rem;
  color: var(--danger);
}
.guest-card { margin-top: 14px; font-size: 0.8125rem; color: var(--ink-mute); }
.guest-card summary { cursor: pointer; padding: 6px 0; }
.guest-card[open] summary { margin-bottom: 8px; }
/* 付款进行中遮住所有入口（托管 iframe 无法 disable） */
.pay-lock {
  position: absolute;
  inset: 0;
  z-index: 5;
  border-radius: 14px;
  background: rgba(17,13,28,0.55);
  background: color-mix(in oklab, var(--bg-stage) 55%, transparent);
  cursor: progress;
}
.pay-status {
  margin-top: 14px;
  padding: 10px 12px;
  border-radius: 12px;
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--ink-mute);
  background: var(--bg-card-2);
  border: 1px solid var(--line);
}
.pay-status--error {
  color: var(--danger);
  background: color-mix(in oklab, var(--danger) 8%, transparent);
  border-color: color-mix(in oklab, var(--danger) 30%, transparent);
}
.pay-status--warn {
  color: var(--signal-warm);
  background: color-mix(in oklab, var(--signal-warm) 8%, transparent);
  border-color: color-mix(in oklab, var(--signal-warm) 30%, transparent);
}
/* #error 的"确认中/处理中"形态：暖色而非红色，避免把未定结果渲染成失败 */
#error.is-info {
  background: color-mix(in oklab, var(--signal-warm) 10%, transparent);
  border-color: color-mix(in oklab, var(--signal-warm) 30%, transparent);
}
#error.is-info h2 { color: var(--signal-warm); }
#error .spinner { width: 28px; height: 28px; margin: 0 0 12px; }
#error:focus { outline: none; }
.error-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 12px; }
.error-actions:empty { display: none; }
.error-actions .btn-ghost { width: auto; }
@media (max-width: 359px) {
  .card-row { grid-template-columns: 1fr; gap: 0; }
}

/* ===== 16. MISC TEXT BLOCKS ===== */
.note {
  margin-top: 20px;
  padding: 12px 14px;
  font-size: 0.75rem;
  color: var(--ink-mute);
  background: var(--bg-card-2);
  border-radius: 12px;
  border: 1px solid var(--line);
  line-height: 1.5;
}
.footer {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 0.8125rem;
  color: var(--ink-dim);
}
.footer a { color: var(--signal-soft); text-decoration: none; }
.section-hint {
  font-size: 0.75rem;
  color: var(--ink-dim);
  text-align: center;
  margin-top: 14px;
  line-height: 1.5;
}

.banner-empty { padding: 32px 0; text-align: center; }
.banner-empty-text { font-size: 0.9375rem; color: var(--ink-mute); margin-bottom: 14px; }

.code-row { display: flex; gap: 8px; align-items: flex-end; }
.code-row input { flex: 1; }
.code-row button, .code-row .btn-ghost { margin-top: 0; white-space: nowrap; min-width: 108px; height: 38px; }
.register-login-hint { margin-top: 12px; font-size: 0.8125rem; text-align: center; }
.register-login-hint a { color: var(--signal-soft); text-decoration: none; cursor: pointer; }
.register-login-hint a:hover { text-decoration: underline; }

/* privacy document */
.meta { font-size: 0.75rem; color: var(--ink-dim); margin-bottom: 20px; }
h2.doc-heading, .portal--wide h2 {
  font-family: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  font-size: 0.875rem;
  letter-spacing: 0.02em;
  margin: 24px 0 8px;
  color: var(--signal);
}
.portal--wide p, .portal--wide li { font-size: 0.875rem; color: var(--ink-mute); }
.portal--wide ul { padding-left: 20px; margin: 8px 0; }
.contact {
  margin-top: 24px;
  padding: 12px 16px;
  background: var(--bg-card-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  font-size: 0.875rem;
}

/* ===== 17. ANIMATIONS ===== */
@keyframes fade-up {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes breathe {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.55; }
}

@media (prefers-reduced-motion: reduce) {
  .portal, .result, .tab-panel.active { animation: none !important; }
  .status-pending { animation: none !important; }
  .cta:hover, button[type="submit"]:hover, .plan:hover { transform: none !important; }
}