/* Shared portal palette, based on nexcaptcha.net. */
:root {
  color-scheme: dark;
  --paper: #06070a;
  --surface: #0c0e14;
  --surface-2: #11141c;
  --surface-3: #171b25;
  --ink: #f3f5f9;
  --ink-soft: #c3c9d6;
  --muted: #868da0;
  --line: #ffffff12;
  --line-strong: #ffffff26;
  --accent: #35e6a4;
  --accent-text: #35e6a4;
  --accent-bright: #5affbd;
  --accent-ink: #04150e;
  --accent-soft: #35e6a410;
  --focus: #35e6a466;
  --danger: #ff7373;
  --warning: #f5a524;
  --soft: var(--surface-2);
  --shadow: 0 18px 50px #00000030;
  --header-background: var(--header-background);
  font-family:
    "Geist",
    "PingFang SC",
    "Microsoft YaHei",
    system-ui,
    -apple-system,
    "Segoe UI",
    sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}
body {
  color: var(--ink);
  background: var(--paper);
}
button,
input,
select,
textarea {
  font: inherit;
}
button,
a,
summary {
  -webkit-tap-highlight-color: transparent;
}
button,
a,
summary,
input,
select,
textarea {
  transition:
    color 0.18s ease,
    background-color 0.18s ease,
    border-color 0.18s ease,
    box-shadow 0.18s ease,
    transform 0.18s ease;
}
button,
summary {
  cursor: pointer;
}
button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}
a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}
input,
select,
textarea {
  color: var(--ink);
  background: var(--surface);
  accent-color: var(--accent-text);
}
input:focus,
select:focus,
textarea:focus {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}
::selection {
  color: var(--ink);
  background: #35e6a433;
}
[hidden] {
  display: none !important;
}

/* Sticky navigation and a single primary action match the public portal. */
.site-header,
.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  min-height: 74px;
  border-bottom: 1px solid var(--line);
  background: var(--header-background);
  backdrop-filter: blur(18px);
}
.site-header {
  padding-top: 20px;
  padding-bottom: 20px;
}
.brand,
.sidebar-brand {
  color: var(--ink);
}
.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
}
.brand-lockup img {
  display: block;
  flex: 0 0 28px;
}
.brand .brand-wordmark,
.sidebar-brand .brand-wordmark {
  color: var(--ink);
  font-size: 17px;
  font-weight: 650;
  letter-spacing: -0.02em;
}
.brand .brand-wordmark > span,
.sidebar-brand .brand-wordmark > span {
  color: var(--accent-text);
}
.brand-mark,
.mark {
  background: var(--surface-2);
  border: 1px solid #35e6a440;
  color: var(--accent-text);
}
.brand-mark span {
  border-color: var(--accent-text);
}
.site-nav > a,
.topbar nav > a,
.topbar nav > button {
  border-radius: 999px;
}
.site-nav > a:hover,
.topbar nav > a:hover,
.topbar nav > button:hover {
  color: var(--ink);
}
.site-nav .nav-signup,
.topbar nav > .nav-signup,
.auth-account-nav .nav-signup,
.primary,
.primary-button,
.config-panel form > button:not(.secondary) {
  color: var(--accent-ink);
  background: var(--accent);
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
}
.site-nav .nav-signup:hover,
.topbar nav > .nav-signup:hover,
.auth-account-nav .nav-signup:hover,
.primary:hover,
.primary-button:hover:not(:disabled),
.config-panel form > button:not(.secondary):hover {
  color: var(--accent-ink);
  background: var(--accent-bright);
  box-shadow: 0 0 24px #35e6a42b;
  transform: translateY(-1px);
}
.primary-button span {
  color: inherit;
}
.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  padding: 0;
  flex-shrink: 0;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--surface);
  color: var(--ink);
  font-size: 22px;
}
.language-menu {
  position: relative;
  font-size: 12px;
}
.language-menu summary {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  list-style: none;
}
.language-menu summary::-webkit-details-marker {
  display: none;
}
.language-menu summary::after {
  content: "⌄";
  transition: transform 0.18s ease;
}
.language-menu[open] summary::after {
  transform: rotate(180deg);
}
.language-menu[open] summary,
.language-menu summary:hover {
  color: var(--ink);
  border-color: var(--line-strong);
}
.language-menu .language-links {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  z-index: 40;
  display: grid;
  gap: 4px;
  min-width: 160px;
  padding: 8px;
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  background: var(--surface-2);
  box-shadow: var(--shadow);
}
.language-menu .language-links a {
  width: auto;
  height: auto;
  padding: 10px 12px;
  justify-content: start;
  color: var(--ink-soft);
}
.language-menu .language-links a:hover,
.language-menu .language-links a.is-active {
  color: var(--accent-text);
  background: var(--accent-soft);
  border-color: transparent;
}

.hero {
  position: relative;
  isolation: isolate;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(ellipse at 70% 25%, #35e6a40c, transparent 65%),
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size:
    auto,
    64px 64px,
    64px 64px;
  mask-image: linear-gradient(#000, transparent);
}
.hero h1 {
  font-size: clamp(44px, calc(25.6px + 4.6vw), 84px);
  text-wrap: balance;
  line-height: .98;
  letter-spacing: -.038em;
  color: var(--ink);
  background: none;
  font-weight: 600;
}
.hero h1:lang(zh) { font-size: clamp(36px, calc(21.6px + 3.6vw), 64px); line-height: 1.16; letter-spacing: -.005em; }
.hero-gradient { background-image: linear-gradient(100deg, var(--accent-bright) 0%, var(--accent) 26%, #7fb0ff 62%, #a78bfa 100%); color: transparent; background-clip: text; }
.hero-live { display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--line-strong); border-radius: 99px; padding: 5px 12px 5px 5px; color: var(--muted); font-size: 11px; text-decoration: none; }
.hero-live > span:first-child { color: var(--accent-text); background: var(--accent-soft); border: 1px solid var(--focus); border-radius: 99px; padding: 2px 7px; font-weight: 700; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 36px; }
.hero-actions a { display: inline-flex; align-items: center; justify-content: center; gap: 12px; margin: 0; padding: 16px 24px; border-radius: 99px; text-decoration: none; font-size: 14px; }
.hero-key { background: var(--accent); color: var(--accent-ink); font-weight: 700; border: 1px solid var(--accent); }
.hero-key:hover { background: var(--accent-bright); }
.hero-note { color: var(--muted); font-size: 12px; line-height: 1.7; margin: 16px 0 0; }
.site-header + main > .hero {
  padding-top: 64px;
  padding-bottom: 72px;
}
.hero-link {
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 14px 22px;
}
.hero-link:hover {
  border-color: var(--accent-text);
  background: var(--accent-soft);
}
.hero-panel {
  border: 1px solid var(--line-strong);
  background: linear-gradient(145deg, var(--surface-2), var(--surface));
  color: var(--ink);
}
.panel-number {
  color: var(--accent-text);
}
.catalog-banner {
  box-shadow: none;
  padding-left: 0;
  padding-right: 0;
  background: transparent;
}
.catalog {
  scroll-margin-top: 96px;
}
.catalog-table {
  padding: 0;
  overflow: hidden;
  border-color: var(--line-strong);
  background: var(--surface);
}
.product-list-heading {
  padding: 16px 22px;
  border-bottom: 1px solid var(--line);
}
.product-grid {
  gap: 0;
}
.product-card {
  padding: 17px 22px;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
}
.product-card:last-child {
  border-bottom: 0;
}
.product-card:hover,
.product-card:focus-within {
  background: var(--surface-2);
}
.product-card:hover h3 {
  color: var(--accent-text);
}
.product-icon {
  background: var(--surface-2);
  border-color: var(--line);
}
.product-actions a,
.test-section-links a {
  color: var(--ink-soft);
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
}
.product-actions a:hover,
.test-section-links a:hover {
  color: var(--accent-text);
  border-color: var(--accent-text);
  background: var(--accent-soft);
}
.product-actions .product-test {
  color: var(--accent-text);
  border-color: #35e6a433;
}
.catalog-search {
  border-radius: 999px;
  background: var(--surface);
}
.catalog-search:focus-within {
  border-color: var(--accent-text);
  box-shadow: 0 0 0 3px var(--accent-soft);
  background: var(--surface);
}
.catalog-search input {
  color: var(--ink);
  outline: none;
}
.search-clear {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  color: var(--muted);
  background: var(--surface-3);
}
.search-clear:hover {
  color: var(--ink);
}
.catalog-empty {
  border: 0;
}
.eyebrow-dot,
.panel-spark,
.test-status-dot {
  box-shadow: 0 0 12px #35e6a466;
}

.auth-card {
  border-radius: 20px;
  background: var(--surface);
  border-color: var(--line-strong);
}
.auth-card .brand {
  color: var(--accent-text);
}
.auth-card input {
  border-color: var(--line-strong);
}
.auth-card input:focus {
  border-color: var(--accent-text);
}
.auth-card #send-code,
.config-panel button.secondary {
  color: var(--accent-text);
  border: 1px solid #35e6a433;
  background: var(--accent-soft);
  border-radius: 999px;
}
.test-card,
.panel,
.metrics article {
  border-radius: 14px;
}
.test-card input,
.test-card textarea,
.config-panel input,
.config-panel select {
  background: var(--surface-2);
}
.test-card input:focus,
.test-card textarea:focus {
  border-color: var(--accent-text);
  box-shadow: 0 0 0 3px var(--accent-soft);
  background: var(--surface-2);
}
.task-result,
.reference-code,
.codebox {
  background: var(--surface);
  color: var(--ink-soft);
  border: 1px solid var(--line-strong);
}
.codebar {
  background: var(--surface-2);
  color: var(--muted);
}
.codebar button:hover,
.reference-code-heading button:hover {
  border-color: var(--accent-text);
  color: var(--accent-text);
  background: var(--accent-soft);
}
.topbar nav .active,
.account-sidebar nav a.active {
  color: var(--accent-text);
}
.account-sidebar nav a.active {
  background: var(--accent-soft);
  box-shadow: inset 2px 0 var(--accent);
}
.account-sidebar nav a:hover,
tbody tr:hover {
  background: var(--surface-2);
}
.metrics strong {
  color: var(--accent-text);
}
.table-wrap,
.response,
.flow,
.status-label,
.test-code {
  background: var(--surface-2);
}
.response {
  color: var(--ink-soft);
}
.status-label,
.test-code,
.endpoint span,
.badge {
  color: var(--accent-text);
  background: var(--accent-soft);
}
.warning,
.notice {
  color: var(--warning);
  background: #f5a52410;
}
.muted {
  color: var(--muted);
  background: var(--surface-3);
}
.positive,
.message.success {
  color: var(--accent-text);
}
.negative,
.message.error,
.error-message {
  color: var(--danger);
}

@media (max-width: 760px) {
  .brand .brand-lockup,
  .brand .brand-wordmark,
  .brand .brand-wordmark > span {
    display: inline-flex;
  }
  .site-header,
  .topbar {
    min-height: 72px;
    height: auto;
    flex-direction: row;
    align-items: center;
    flex-wrap: nowrap;
  }
  .site-header {
    width: 100%;
    padding: 15px 20px;
  }
  .nav-toggle {
    display: inline-flex;
  }
  .nav-enhanced > nav {
    display: none;
  }
  .nav-enhanced.nav-open > nav {
    position: fixed;
    inset: 72px 0 0;
    height: calc(100dvh - 72px);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    padding: 16px 24px 40px;
    background: var(--paper);
  }
  .nav-enhanced.nav-open > nav > a,
  .nav-enhanced.nav-open > nav > button {
    padding: 20px 0;
    border-bottom: 1px solid var(--line);
    border-radius: 0;
    font-size: 16px;
    text-align: left;
  }
  .nav-enhanced.nav-open > nav > .nav-signup {
    padding: 15px 20px;
    margin: 24px 0 10px;
    border: 0;
    border-radius: 999px;
    text-align: center;
  }
  .nav-open .language-menu {
    align-self: flex-start;
    margin-top: 24px;
  }
  .nav-open .language-menu .language-links {
    position: static;
    margin-top: 10px;
    box-shadow: none;
  }
  body.navigation-open {
    overflow: hidden;
  }
  .product-card {
    padding: 16px;
    gap: 14px;
  }
  .product-actions {
    margin-left: 62px;
  }
  .hero-panel {
    width: 100%;
  }
  .brand {
    white-space: nowrap;
  }
  .account-sidebar {
    z-index: 20;
  }
  .profile-shell,
  .test-page {
    min-width: 0;
  }
}
.back-to-top {
  position: fixed;
  right: max(20px, env(safe-area-inset-right));
  bottom: max(24px, env(safe-area-inset-bottom));
  z-index: 30;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: var(--surface-2);
  color: var(--accent-text);
  box-shadow: 0 4px 18px #0006;
  cursor: pointer;
}
.back-to-top[hidden] {
  display: none;
}
.back-to-top:hover,
.back-to-top:focus-visible {
  border-color: var(--accent-text);
  background: var(--surface-3);
}
.back-to-top-label {
  position: absolute;
  right: calc(100% + 10px);
  padding: 7px 10px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--surface-2);
  color: var(--ink-soft);
  font-size: 12px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
}
.back-to-top:hover .back-to-top-label,
.back-to-top:focus-visible .back-to-top-label {
  opacity: 1;
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }
}

.nav-signup {
  padding: 9px 16px;
  text-decoration: none;
}

:is(.copy-email, .copy-button) {
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  padding: 0;
  flex: 0 0 28px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 11px;
  cursor: pointer;
}
:is(.copy-email, .copy-button):hover,
:is(.copy-email, .copy-button):focus-visible {
  color: var(--accent-text);
  border-color: var(--accent-text);
}
.copy-icon-success,
.copy-icon-error,
:is(.copy-email, .copy-button)[data-copy-state] .copy-icon-default {
  display: none;
}
:is(.copy-email, .copy-button)[data-copy-state="success"] .copy-icon-success,
:is(.copy-email, .copy-button)[data-copy-state="error"] .copy-icon-error {
  display: block;
}
:is(.copy-email, .copy-button)[data-copy-state="success"] {
  color: var(--accent-text);
}
:is(.copy-email, .copy-button)[data-copy-state="error"] {
  color: #ff7777;
}
.copy-status {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.account-control {
  position: relative;
  flex: 0 0 auto;
}
.account-menu {
  position: relative;
}
.account-menu > summary {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  padding: 6px 12px 6px 7px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  color: var(--ink);
  list-style: none;
}
.account-menu > summary::-webkit-details-marker {
  display: none;
}
.account-menu > summary:hover,
.account-menu[open] > summary {
  border-color: var(--line-strong);
  background: var(--surface-2);
}
.account-avatar {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  flex: 0 0 32px;
  border-radius: 7px;
  background: var(--accent-soft);
  color: var(--accent-text);
  font-size: 14px;
  font-weight: 700;
}
.account-caption {
  display: grid;
  gap: 2px;
  white-space: nowrap;
  text-align: left;
}
.account-caption small {
  color: var(--muted);
  font-size: 10px;
  line-height: 1.2;
}
.account-caption strong {
  color: var(--ink);
  font-size: 12px;
  line-height: 1.4;
  font-weight: 600;
}
.account-chevron {
  margin-left: 34px;
  color: var(--muted);
  transition: transform 0.18s;
}
.account-menu[open] .account-chevron {
  transform: rotate(180deg);
}
.account-control > .copy-email {
  position: absolute;
  right: 31px;
  top: 50%;
  transform: translateY(-50%);
  border-color: transparent;
}
.account-dropdown {
  position: absolute;
  z-index: 40;
  top: calc(100% + 8px);
  right: 0;
  min-width: 200px;
  padding: 6px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: var(--surface);
  box-shadow: var(--shadow);
}
.account-dropdown > a,
.account-dropdown > button {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 10px 12px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--ink);
  font-size: 13px;
  text-align: left;
  text-decoration: none;
}
.account-dropdown > a:hover,
.account-dropdown > button:hover {
  background: var(--surface-2);
}
.account-dropdown > button[data-account-logout] {
  margin-top: 4px;
  border-top: 1px solid var(--line);
  border-radius: 0 0 6px 6px;
  color: var(--danger);
}
.account-dropdown > small {
  display: block;
  color: var(--danger);
  white-space: normal;
  font-size: 12px;
}
.account-dropdown > small:empty {
  display: none;
}
@media (max-width: 760px) {
  .nav-open .account-control {
    margin-top: 24px;
    align-self: stretch;
  }
  .nav-open .account-caption {
    flex: 1;
  }
  .nav-open .account-dropdown {
    position: static;
    margin-top: 8px;
    box-shadow: none;
  }
  .nav-open .account-control > .copy-email {
    top: 24px;
  }
}

.account-dropdown > a > svg, .account-dropdown > button > svg { flex: 0 0 16px; }

/* The accent stays green; light surfaces use darker text for readability. */
:root[data-theme="light"] {
  color-scheme: light;
  --paper: #f6f8fa;
  --surface: #ffffff;
  --surface-2: #f0f3f6;
  --surface-3: #e7edf2;
  --ink: #18232e;
  --ink-soft: #405366;
  --muted: #627488;
  --line: #183b5520;
  --line-strong: #183b5538;
  --accent-text: #087b55;
  --accent-soft: #35e6a418;
  --danger: #bf3545;
  --warning: #926000;
  --header-background: #f6f8faed;
  --shadow: 0 18px 50px #183b5512;
}
.theme-toggle,
.topbar nav .theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 36px;
  width: 36px;
  height: 36px;
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--ink-soft);
  background: var(--surface);
}
.theme-toggle:hover { color: var(--accent-text); border-color: var(--accent); }
.theme-moon { display: none; }
[data-theme="light"] .theme-sun { display: none; }
[data-theme="light"] .theme-moon { display: block; }
[data-theme="light"] .hero-gradient { background-image: linear-gradient(100deg, #087b55, #3e73d5, #7d52c2); }
[data-theme="light"] .status[data-state="SUCCEEDED"],
[data-theme="light"] .status[data-payment-state="1"] { color: var(--accent-text); }
[data-theme="light"] .status[data-state="FAILED"],
[data-theme="light"] .status[data-payment-state="-1"] { color: var(--danger); }
[data-theme="light"] .status[data-payment-state="0"] { color: var(--warning); }
[data-theme="light"] .transaction-type.teal { color: #087c74; }
[data-theme="light"] .transaction-type.info { color: #356aad; }
[data-theme="light"] .primary,
[data-theme="light"] .primary-button,
[data-theme="light"] .list-pagination .page-number.current { color: var(--accent-ink); }

/* Compact task IDs and quiet account tables in the light theme. */
.task-id { display: inline-flex; align-items: center; gap: 8px; white-space: nowrap; }
.task-id .copy-button { width: 24px; height: 24px; flex-basis: 24px; border-color: transparent; }
.task-id .copy-button:hover, .task-id .copy-button:focus-visible { background: var(--accent-soft); border-color: var(--line); }
:root[data-theme="light"] .account-layout .table-wrap { background: var(--surface); }
:root[data-theme="light"] .account-layout .table-wrap thead { background: #fafbfc; }
:root[data-theme="light"] .account-layout .table-wrap tbody tr:hover { background: #f7faf9; }