:root {
  --bg: #0b1220;
  --card: #111a2e;
  --text: #e7eefc;
  --muted: #a9b6d3;
  --border: rgba(231, 238, 252, 0.12);
  --accent: #7aa2ff;
  --good: #19c37d;
  --warn: #f4b400;
  --bad: #ff5c5c;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  font-family:
    ui-sans-serif,
    system-ui,
    -apple-system,
    Segoe UI,
    Roboto,
    Helvetica,
    Arial,
    "Apple Color Emoji",
    "Segoe UI Emoji";
  color: var(--text);
  background:
    radial-gradient(
      1200px 600px at 20% 0%,
      rgba(122, 162, 255, 0.25),
      transparent 60%
    ),
    radial-gradient(
      900px 500px at 90% 10%,
      rgba(25, 195, 125, 0.15),
      transparent 55%
    ),
    var(--bg);
}
code,
pre {
  font-family:
    ui-monospace,
    SFMono-Regular,
    Menlo,
    Monaco,
    Consolas,
    Liberation Mono,
    Courier New,
    monospace;
}
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 18px 16px;
}
header.container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.logo {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: #7aa2ff33;
  border: 1px solid var(--border);
  font-weight: 800;
  letter-spacing: 0.02em;
}
.title {
  font-weight: 800;
  font-size: 16px;
}
.subtitle {
  color: var(--muted);
  font-size: 13px;
}
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: #0b122099;
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
}
.mobile-menu-btn span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--muted);
  border-radius: 2px;
  transition:
    transform 0.2s ease,
    opacity 0.2s ease;
}
.mobile-menu-btn.menu-open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.mobile-menu-btn.menu-open span:nth-child(2) {
  opacity: 0;
}
.mobile-menu-btn.menu-open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}
.nav {
  display: flex;
  gap: 14px;
}
.nav a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition:
    color 0.2s ease,
    border-color 0.2s ease;
}
.nav a:hover {
  color: var(--text);
  border-bottom-color: var(--border);
}
.nav a[data-disabled="true"] {
  opacity: 0.55;
  cursor: not-allowed;
  pointer-events: none;
}
.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
@media (min-width: 900px) {
  .grid {
    grid-template-columns: 1fr 1fr;
  }
}
.span-2 {
  grid-column: 1 / -1;
}
.card {
  background: #111a2ecc;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px;
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}
h1,
h2 {
  margin: 0 0 10px;
}
h3 {
  margin: 12px 0 8px;
  font-size: 14px;
}
.muted {
  color: var(--muted);
}
.form {
  display: grid;
  gap: 12px;
  margin-top: 14px;
}
label {
  display: grid;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
}
.input-wrapper {
  position: relative;
}
.input-icon {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 14px;
  color: var(--muted);
  pointer-events: none;
  transition: color 0.2s ease;
}
.input-icon.valid {
  color: var(--good);
}
.input-icon.invalid {
  color: var(--bad);
}
.input-hint {
  font-size: 12px;
  min-height: 16px;
  transition: color 0.2s ease;
}
.input-hint.hint-error {
  color: var(--bad);
}
input {
  width: 100%;
  padding: 10px 36px 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #0b122099;
  color: var(--text);
  outline: none;
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}
input:focus {
  border-color: #7aa2ff99;
  box-shadow: 0 0 0 3px #7aa2ff26;
}
.input-valid {
  border-color: #19c37d80;
}
.input-valid:focus {
  border-color: #19c37db3;
  box-shadow: 0 0 0 3px #19c37d26;
}
.input-invalid {
  border-color: #ff5c5c80;
}
.input-invalid:focus {
  border-color: #ff5c5cb3;
  box-shadow: 0 0 0 3px #ff5c5c26;
}
.row {
  display: flex;
  gap: 12px;
  align-items: end;
}
.row > label {
  flex: 1;
}
.checkbox {
  align-items: center;
  grid-auto-flow: column;
  justify-content: start;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #0b122099;
  min-height: 44px;
  min-width: 44px;
}
.checkbox input {
  width: 16px;
  height: 16px;
  padding: 0;
}
button {
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid rgba(122, 162, 255, 0.5);
  background: #7aa2ff26;
  color: var(--text);
  font-weight: 700;
  cursor: pointer;
  transition:
    background 0.2s ease,
    transform 0.1s ease;
  min-height: 44px;
  min-width: 44px;
}
button:hover:not(:disabled) {
  background: #7aa2ff38;
}
button:active:not(:disabled) {
  transform: scale(0.98);
}
button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}
.btn-primary {
  position: relative;
  overflow: hidden;
}
.btn-primary .btn-text {
  transition: opacity 0.2s ease;
}
.btn-primary.loading .btn-text {
  opacity: 0;
}
.btn-spinner {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 18px;
  height: 18px;
  opacity: 0;
  pointer-events: none;
}
.btn-primary.loading .btn-spinner {
  opacity: 1;
}
.btn-spinner:before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 2px solid transparent;
  border-top-color: var(--text);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}
.shake {
  animation: shake 0.5s ease;
}
@keyframes shake {
  0%,
  to {
    transform: translate(0);
  }
  20%,
  60% {
    transform: translate(-4px);
  }
  40%,
  80% {
    transform: translate(4px);
  }
}
.actions {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}
button.secondary {
  border-color: var(--border);
  background: #0b122099;
  color: var(--muted);
  font-weight: 600;
}
button.secondary:hover {
  color: var(--text);
  background: #0b1220bf;
}
button.tiny {
  padding: 8px 12px;
  border-radius: 10px;
  font-size: 12px;
  min-height: 36px;
}
.rate-limit-banner {
  display: flex;
  gap: 12px;
  padding: 12px;
  margin-top: 14px;
  border-radius: 12px;
  background: #f4b4001a;
  border: 1px solid rgba(244, 180, 0, 0.3);
}
.rate-limit-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #f4b40033;
  color: var(--warn);
  font-weight: 700;
}
.rate-limit-content {
  flex: 1;
}
.rate-limit-title {
  font-weight: 600;
  color: var(--warn);
  margin-bottom: 4px;
}
.rate-limit-desc {
  font-size: 13px;
  color: var(--muted);
}
.status-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.retry-btn {
  border-color: var(--warn);
  color: var(--warn);
  background: #f4b4001a;
}
.retry-btn:hover {
  background: #f4b40033;
}
.skeleton {
  display: grid;
  gap: 10px;
  padding: 4px 0;
}
.skeleton-line {
  height: 16px;
  background: linear-gradient(90deg, #e7eefc0d 25%, #e7eefc1a, #e7eefc0d 75%);
  background-size: 200% 100%;
  border-radius: 4px;
  animation: skeleton-loading 1.5s ease-in-out infinite;
}
.skeleton-line.short {
  width: 60%;
}
@keyframes skeleton-loading {
  0% {
    background-position: 200% 0;
  }
  to {
    background-position: -200% 0;
  }
}
.error-state {
  display: flex;
  gap: 12px;
  padding: 16px;
  border-radius: 12px;
  background: #ff5c5c1a;
  border: 1px solid rgba(255, 92, 92, 0.3);
}
.error-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #ff5c5c33;
  color: var(--bad);
  font-weight: 700;
}
.error-content {
  flex: 1;
}
.error-title {
  font-weight: 600;
  color: var(--bad);
  margin-bottom: 4px;
}
.error-message {
  font-size: 13px;
  color: var(--muted);
}
.hint {
  margin-top: 14px;
  border-top: 1px solid var(--border);
  padding-top: 14px;
}
.hint-actions {
  display: flex;
  justify-content: flex-end;
  margin: -32px 0 8px;
}
.hint-title {
  font-weight: 700;
  font-size: 13px;
  color: var(--text);
  margin-bottom: 8px;
}
pre {
  margin: 0;
  padding: 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #0b1220b3;
  overflow: auto;
}
.pill {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #0b122073;
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 12px;
}
.pill.good {
  color: var(--good);
  border-color: #19c37d59;
  background: #19c37d1a;
}
.pill.warn {
  color: var(--warn);
  border-color: #f4b40059;
  background: #f4b4001a;
}
.pill.bad {
  color: var(--bad);
  border-color: #ff5c5c59;
  background: #ff5c5c1a;
}
.meta {
  display: grid;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 10px;
  white-space: pre-line;
}
.output {
  width: 100%;
  min-height: 240px;
  resize: vertical;
  padding: 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #0b122099;
  color: var(--text);
  outline: none;
}
.cols {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}
@media (min-width: 900px) {
  .cols {
    grid-template-columns: 1fr 1fr;
  }
}
.list {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  font-size: 13px;
}
.footer {
  padding-bottom: 32px;
}
.details {
  margin-top: 12px;
}
.details summary {
  cursor: pointer;
  color: var(--muted);
  -webkit-user-select: none;
  user-select: none;
}
.details summary:hover {
  color: var(--text);
}
.json-actions {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 8px;
}
.raw {
  margin-top: 10px;
  max-height: 260px;
}
.json-output {
  font-size: 12px;
  line-height: 1.5;
}
.json-key {
  color: #7aa2ff;
}
.json-string {
  color: #19c37d;
}
.json-number {
  color: #f4b400;
}
.json-boolean {
  color: #ff79c6;
}
.json-null {
  color: #8be9fd;
}
.dropdown {
  position: relative;
}
.dropdown-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-right: 10px;
}
.dropdown-toggle svg {
  transition: transform 0.2s ease;
}
.dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 160px;
  padding: 6px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow:
    0 4px 20px #0006,
    0 0 1px #0006;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition:
    opacity 0.2s ease,
    transform 0.2s ease,
    visibility 0.2s;
  z-index: 100;
}
.dropdown-menu.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dropdown-item {
  width: 100%;
  padding: 10px 12px;
  border: none;
  background: transparent;
  color: var(--text);
  font-weight: 400;
  text-align: left;
  border-radius: 8px;
  min-height: auto;
}
.dropdown-item:hover {
  background: #7aa2ff26;
}
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 1000;
  pointer-events: none;
}
.toast {
  padding: 12px 16px;
  border-radius: 12px;
  background: var(--card);
  border: 1px solid var(--border);
  box-shadow:
    0 4px 20px #0006,
    0 0 1px #0006;
  font-size: 14px;
  font-weight: 500;
  opacity: 0;
  transform: translate(100%);
  transition:
    opacity 0.3s ease,
    transform 0.3s ease;
  pointer-events: auto;
}
.toast.show {
  opacity: 1;
  transform: translate(0);
}
.toast-success {
  border-color: #19c37d66;
  background: #19c37d1a;
  color: var(--good);
}
.toast-error {
  border-color: #ff5c5c66;
  background: #ff5c5c1a;
  color: var(--bad);
}
.toast-info {
  border-color: #7aa2ff66;
  background: #7aa2ff1a;
  color: var(--accent);
}
.faq-list {
  display: grid;
  gap: 12px;
}
.faq-item {
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.faq-item summary {
  padding: 14px 16px;
  font-weight: 600;
  cursor: pointer;
  -webkit-user-select: none;
  user-select: none;
  background: #0b12204d;
  transition: background 0.2s ease;
}
.faq-item summary:hover {
  background: #0b122080;
}
.faq-item[open] summary {
  border-bottom: 1px solid var(--border);
}
.faq-content {
  padding: 14px 16px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}
.copy-check {
  color: var(--good);
}
.footer {
  padding-top: 0;
  padding-bottom: 24px;
}
@media (max-width: 768px) {
  .mobile-menu-btn {
    display: flex;
  }
  .nav {
    position: fixed;
    top: 80px;
    left: 16px;
    right: 16px;
    flex-direction: column;
    padding: 16px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow:
      0 4px 20px #0006,
      0 0 1px #0006;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-16px);
    transition:
      opacity 0.2s ease,
      transform 0.2s ease,
      visibility 0.2s;
  }
  .nav.nav-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  .nav a {
    padding: 12px;
    border-bottom: 1px solid var(--border);
  }
  .nav a:last-child {
    border-bottom: none;
  }
  .toast-container {
    left: 16px;
    right: 16px;
    bottom: 16px;
  }
  .toast {
    transform: translateY(100%);
  }
  .toast.show {
    transform: translateY(0);
  }
  .actions {
    flex-direction: column;
  }
  .actions button {
    width: 100%;
  }
  .dropdown-menu {
    left: auto;
    right: 0;
    min-width: 200px;
  }
  .rate-limit-banner {
    flex-direction: column;
    gap: 8px;
  }
}
@media (max-width: 480px) {
  .container {
    padding: 14px 12px;
  }
  .card {
    padding: 14px;
    border-radius: 12px;
  }
  .brand {
    gap: 8px;
  }
  .logo {
    width: 36px;
    height: 36px;
    font-size: 12px;
  }
  .title {
    font-size: 14px;
  }
  .subtitle {
    display: none;
  }
}
@media (hover: none) and (pointer: coarse) {
  button:hover {
    background: #7aa2ff26;
  }
  button:active {
    background: #7aa2ff40;
  }
  .nav a:hover {
    color: var(--muted);
    border-bottom-color: transparent;
  }
  .nav a:active {
    color: var(--text);
  }
  .faq-item summary:hover {
    background: #0b12204d;
  }
  .faq-item summary:active {
    background: #0b122080;
  }
}
@media (prefers-reduced-motion: reduce) {
  *,
  *:before,
  *:after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}
button:focus-visible,
input:focus-visible,
a:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}