:root {
  --black: #000000;
  --white: #ffffff;
  --gray-100: #f5f5f5;
  --gray-200: #e0e0e0;
  --gray-400: #9a9a9a;
  --gray-600: #5a5a5a;
  --gray-800: #1a1a1a;
  --gray-900: #0d0d0d;
  --border: rgba(255, 255, 255, 0.14);
  --border-strong: rgba(255, 255, 255, 0.28);
  --radius: 0;
  --font: Inter, system-ui, -apple-system, sans-serif;
  --mono: "JetBrains Mono", "Consolas", monospace;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font);
  background: var(--black);
  color: var(--white);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ── Login ── */

.login-page {
  display: grid;
  place-items: center;
  padding: 24px;
  background: var(--black);
}

.login-card {
  width: min(400px, 100%);
  background: var(--black);
  border: 1px solid var(--border-strong);
  padding: 40px 36px;
}

.login-brand,
.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 32px;
}

.brand-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 1.1rem;
  background: var(--white);
  color: var(--black);
  flex-shrink: 0;
}

.brand-icon.sm {
  width: 40px;
  height: 40px;
  font-size: 1rem;
}

.login-brand h1,
.content-header h2 {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.login-brand p,
.sidebar-brand span {
  margin: 2px 0 0;
  color: var(--gray-400);
  font-size: 0.85rem;
}

.sidebar-brand strong {
  display: block;
  font-size: 0.95rem;
  font-weight: 600;
}

.login-form {
  display: grid;
  gap: 16px;
}

label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

input[type="password"],
input[type="text"] {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border-strong);
  background: var(--black);
  color: var(--white);
  outline: none;
  font-family: var(--font);
  font-size: 0.95rem;
  transition: border-color 0.15s;
}

input::placeholder {
  color: var(--gray-600);
}

input:focus {
  border-color: var(--white);
}

button {
  border: 1px solid transparent;
  padding: 12px 18px;
  font-family: var(--font);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--white);
  color: var(--black);
  border-color: var(--white);
}

.btn-primary:hover:not(:disabled) {
  background: var(--gray-200);
  border-color: var(--gray-200);
}

.btn-secondary {
  background: transparent;
  color: var(--white);
  border-color: var(--border-strong);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--white);
  color: var(--black);
  border-color: var(--white);
}

.btn-danger {
  background: transparent;
  color: var(--gray-400);
  border-color: var(--border);
}

.btn-danger:hover:not(:disabled) {
  background: var(--white);
  color: var(--black);
  border-color: var(--white);
}

.btn-ghost {
  background: transparent;
  color: var(--gray-400);
  border-color: transparent;
}

.btn-ghost:hover:not(:disabled) {
  color: var(--white);
}

.form-error {
  color: var(--white);
  margin: 0;
  font-size: 0.85rem;
  opacity: 0.7;
}

/* ── Panel layout ── */

.panel-page {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
}

.sidebar {
  background: var(--black);
  border-right: 1px solid var(--border);
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.sidebar-nav {
  display: grid;
  gap: 2px;
}

.nav-item {
  text-align: left;
  background: transparent;
  color: var(--gray-400);
  padding: 11px 14px;
  border: 1px solid transparent;
  font-size: 0.9rem;
}

.nav-item:hover {
  color: var(--white);
  border-color: var(--border);
}

.nav-item.active {
  background: var(--white);
  color: var(--black);
  border-color: var(--white);
}

.sidebar-footer {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.content {
  padding: 32px 40px 48px;
  background: var(--black);
}

.content-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.content-header h2 {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.03em;
}

.stats-bar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.stat-pill {
  background: transparent;
  border: 1px solid var(--border);
  padding: 6px 12px;
  font-size: 0.78rem;
  color: var(--gray-400);
  letter-spacing: 0.02em;
}

.stat-pill--warn {
  border-color: var(--white);
  color: var(--white);
}

/* ── Banners ── */

.panel-banner {
  margin: 0 0 20px;
  padding: 12px 16px;
  font-size: 0.88rem;
  line-height: 1.5;
  border: 1px solid var(--border-strong);
  background: var(--gray-900);
}

.panel-banner--error,
.panel-banner--warn {
  border-color: var(--white);
  color: var(--white);
}

/* ── Sections ── */

.section {
  display: none;
}

.section.active {
  display: block;
}

.section-toolbar {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
}

.section-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.section-tab {
  padding: 10px 18px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--gray-400);
  font: inherit;
  font-size: 0.9rem;
  cursor: pointer;
  margin-bottom: -1px;
  transition: color 0.15s, border-color 0.15s;
}

.section-tab:hover {
  color: var(--white);
}

.section-tab.active {
  color: var(--white);
  border-bottom-color: var(--white);
}

.section-tab-panel {
  display: none;
}

.section-tab-panel.active {
  display: block;
}

/* ── Tables ── */

.table-wrap {
  overflow: auto;
  border: 1px solid var(--border);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
}

th,
td {
  padding: 13px 16px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  font-size: 0.88rem;
}

tr:last-child td {
  border-bottom: none;
}

th {
  color: var(--gray-400);
  font-weight: 500;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: var(--gray-900);
}

tbody tr:hover td {
  background: var(--gray-900);
}

.status-on {
  color: var(--white);
  font-weight: 500;
}

.status-off {
  color: var(--gray-600);
}

.row-actions {
  display: flex;
  gap: 6px;
}

.row-actions button {
  padding: 7px 12px;
  font-size: 0.8rem;
}

/* ── Docs layout (API reference) ── */

.content--docs {
  padding: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100vh;
  max-height: 100vh;
}

.content--docs .content-header {
  margin: 0;
  padding: 20px 32px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.content--docs .stats-bar {
  display: none;
}

.docs-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.docs-nav {
  border-right: 1px solid var(--border);
  padding: 20px 0 32px;
  overflow-y: auto;
  background: var(--black);
  position: sticky;
  top: 0;
  align-self: start;
  max-height: calc(100vh - 72px);
}

.docs-nav-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 20px 16px;
  margin-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.docs-nav-badge {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 8px;
  border: 1px solid var(--white);
  color: var(--white);
}

.docs-nav-version {
  font-size: 0.75rem;
  color: var(--gray-600);
  font-family: var(--mono);
}

.docs-nav-group {
  padding: 12px 0 4px;
}

.docs-nav-title {
  margin: 0;
  padding: 0 20px 8px;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-600);
}

.docs-nav-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 20px;
  font-size: 0.84rem;
  color: var(--gray-400);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}

.docs-nav-link:hover {
  color: var(--white);
  background: var(--gray-900);
}

.docs-nav-link.active {
  color: var(--white);
  border-left-color: var(--white);
  background: var(--gray-900);
}

.docs-nav-link--sub {
  padding-left: 32px;
  font-size: 0.8rem;
}

.docs-nav-method {
  font-family: var(--mono);
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 5px;
  border: 1px solid var(--border-strong);
  color: var(--gray-400);
  flex-shrink: 0;
}

.docs-nav-link.active .docs-nav-method {
  border-color: var(--white);
  color: var(--white);
}

.docs-main {
  overflow-y: auto;
  padding: 32px 48px 80px;
  max-height: calc(100vh - 72px);
}

.doc-section {
  margin-bottom: 56px;
  scroll-margin-top: 24px;
}

.doc-section--sub {
  margin-bottom: 40px;
  padding-left: 0;
}

.doc-section-divider {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 48px 0 40px;
  color: var(--gray-600);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.doc-section-divider::before,
.doc-section-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.doc-eyebrow {
  margin: 0 0 8px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-600);
}

.doc-title {
  margin: 0 0 16px;
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.doc-subtitle {
  margin: 0 0 16px;
  font-size: 1.1rem;
  font-weight: 600;
}

.doc-lead {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--gray-400);
  margin: 0 0 20px;
  max-width: 680px;
}

.doc-section p {
  color: var(--gray-400);
  line-height: 1.7;
  font-size: 0.92rem;
  margin: 0 0 14px;
  max-width: 680px;
}

.doc-list {
  margin: 0;
  padding-left: 20px;
  color: var(--gray-400);
  line-height: 1.8;
  font-size: 0.92rem;
}

.doc-url-box {
  display: inline-flex;
  align-items: center;
  padding: 10px 16px;
  border: 1px solid var(--border-strong);
  background: var(--gray-900);
  margin-bottom: 16px;
}

.doc-url-box code {
  font-size: 0.9rem;
  color: var(--white);
}

.doc-callout {
  margin: 20px 0;
  padding: 16px 20px;
  border: 1px solid var(--border);
  border-left: 3px solid var(--white);
  background: var(--gray-900);
  max-width: 680px;
}

.doc-callout-title {
  margin: 0 0 10px;
  font-weight: 600;
  color: var(--white);
  font-size: 0.9rem;
}

.doc-callout ol {
  margin: 0;
  padding-left: 20px;
  color: var(--gray-400);
  line-height: 1.8;
  font-size: 0.9rem;
}

.doc-callout--important {
  border-left-color: var(--white);
}

.doc-inline-code {
  display: block;
  margin-top: 10px;
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--gray-200);
}

.doc-table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0 24px;
  font-size: 0.85rem;
  max-width: 720px;
}

.doc-table th,
.doc-table td {
  border: 1px solid var(--border);
  padding: 10px 14px;
  text-align: left;
  vertical-align: top;
}

.doc-table th {
  background: var(--gray-900);
  color: var(--gray-400);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 500;
}

.doc-table td {
  color: var(--gray-400);
}

.doc-table code {
  white-space: nowrap;
  color: var(--gray-200);
}

.type-badge {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.72rem;
  padding: 2px 7px;
  border: 1px solid var(--border);
  color: var(--gray-400);
}

.status-code {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 2px 8px;
  border: 1px solid var(--border-strong);
  color: var(--gray-400);
}

.status-code--ok {
  border-color: var(--white);
  color: var(--white);
}

/* Endpoint cards */

.doc-endpoint {
  padding-bottom: 64px;
  border-bottom: 1px solid var(--border);
}

.endpoint-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border: 1px solid var(--border-strong);
  background: var(--gray-900);
  margin-bottom: 16px;
}

.endpoint-method {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 4px 10px;
  background: var(--white);
  color: var(--black);
  flex-shrink: 0;
}

.endpoint-path {
  font-family: var(--mono);
  font-size: 0.9rem;
  color: var(--white);
}

.endpoint-desc {
  margin: 0 0 16px !important;
  max-width: 680px;
}

.doc-hint {
  margin: -24px 0 32px;
  font-size: 0.88rem;
  color: var(--gray-600);
  max-width: 680px;
}

.doc-hint code {
  color: var(--gray-400);
}

/* Request example switcher */

.request-example {
  margin: 16px 0;
  border: 1px solid var(--border);
  max-width: 720px;
  overflow: hidden;
}

.request-example-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 14px;
  background: var(--gray-900);
  border-bottom: 1px solid var(--border);
}

.request-example-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-600);
  margin-right: auto;
}

.request-lang-select {
  appearance: none;
  background: var(--black);
  color: var(--white);
  border: 1px solid var(--border-strong);
  padding: 6px 28px 6px 10px;
  font-family: var(--font);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath fill='%239a9a9a' d='M0 0l5 6 5-6z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
}

.request-lang-select:hover,
.request-lang-select:focus {
  border-color: var(--white);
  outline: none;
}

.request-example-body pre {
  margin: 0;
  border: 0;
  border-radius: 0;
  padding: 16px;
  background: var(--black);
}

.request-example-body pre[hidden] {
  display: none;
}

.request-example .code-copy-btn {
  flex-shrink: 0;
}

/* Code panels */

.code-panel {
  margin: 12px 0;
  border: 1px solid var(--border);
  max-width: 720px;
  overflow: hidden;
}

.code-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 14px;
  background: var(--gray-900);
  border-bottom: 1px solid var(--border);
}

.code-panel-lang {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-600);
}

.code-copy-btn {
  padding: 4px 10px;
  font-size: 0.72rem;
  font-weight: 500;
  background: transparent;
  color: var(--gray-400);
  border: 1px solid var(--border);
}

.code-copy-btn:hover {
  color: var(--white);
  border-color: var(--white);
}

.code-copy-btn.copied {
  color: var(--white);
  border-color: var(--white);
}

.code-panel pre {
  margin: 0;
  border: 0;
  border-radius: 0;
  padding: 16px;
  background: var(--black);
}

.code-panel code {
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--gray-200);
}

pre {
  background: var(--black);
  border: 1px solid var(--border);
  padding: 16px;
  overflow: auto;
  margin: 0;
}

code {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--gray-200);
}

/* FAQ */

.faq-list {
  max-width: 680px;
  display: grid;
  gap: 8px;
}

.faq-item {
  border: 1px solid var(--border);
  background: var(--gray-900);
}

.faq-item summary {
  padding: 14px 16px;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--white);
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::before {
  content: '+';
  display: inline-block;
  width: 16px;
  margin-right: 8px;
  color: var(--gray-600);
  font-family: var(--mono);
}

.faq-item[open] summary::before {
  content: '−';
}

.faq-item p {
  margin: 0;
  padding: 0 16px 14px 40px;
  font-size: 0.88rem;
}

/* ── Modal ── */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  display: grid;
  place-items: center;
  padding: 20px;
  z-index: 100;
}

.modal-overlay[hidden] {
  display: none !important;
}

#keyNameInput[hidden],
#modalKeyBox[hidden] {
  display: none !important;
}

.modal {
  width: min(480px, 100%);
  background: var(--black);
  border: 1px solid var(--border-strong);
  padding: 28px;
}

.modal h3 {
  margin: 0 0 8px;
  font-size: 1.1rem;
  font-weight: 600;
}

.modal p {
  margin: 0 0 16px;
  color: var(--gray-400);
  font-size: 0.9rem;
  line-height: 1.5;
}

.key-box {
  display: grid;
  gap: 10px;
  margin: 12px 0;
  padding: 14px;
  background: var(--gray-900);
  border: 1px dashed var(--border-strong);
}

.key-box code {
  word-break: break-all;
  color: var(--white);
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 20px;
}

/* ── Scrollbar ── */

::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: var(--black);
}

::-webkit-scrollbar-thumb {
  background: var(--gray-600);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gray-400);
}

/* ── Responsive ── */

@media (max-width: 900px) {
  .panel-page {
    grid-template-columns: 1fr;
  }

  .sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--border);
    padding: 16px;
  }

  .sidebar-nav {
    grid-template-columns: repeat(3, 1fr);
  }

  .nav-item {
    text-align: center;
    padding: 10px 8px;
    font-size: 0.8rem;
  }

  .content {
    padding: 20px 16px 32px;
  }

  .content-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .stats-bar {
    justify-content: flex-start;
  }

  .docs-layout {
    grid-template-columns: 1fr;
  }

  .docs-nav {
    position: static;
    max-height: none;
    border-right: 0;
    border-bottom: 1px solid var(--border);
    padding: 12px 0;
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    gap: 0;
  }

  .docs-nav-header,
  .docs-nav-group {
    display: contents;
  }

  .docs-nav-title {
    display: none;
  }

  .docs-nav-link {
    white-space: nowrap;
    padding: 8px 14px;
    border-left: 0;
    border-bottom: 2px solid transparent;
    font-size: 0.78rem;
  }

  .docs-nav-link.active {
    border-bottom-color: var(--white);
    background: transparent;
  }

  .docs-nav-link--sub {
    display: none;
  }

  .docs-main {
    padding: 24px 16px 48px;
    max-height: none;
  }

  .content--docs .content-header {
    padding: 16px;
  }
}