:root {
  --bg-canvas: #090d13;
  --bg-surface: #121820;
  --bg-subtle: #1a222d;
  --bg-code: #05080c;

  --border-default: #26303d;
  --border-muted: #1c2430;
  --border-active: #3b82f6;

  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-muted: #626c79;

  --accent-primary: #1f6feb;
  --accent-hover: #388bfd;

  --color-success: #238636;
  --color-success-bg: rgba(35, 134, 54, 0.15);
  --color-success-border: rgba(63, 185, 80, 0.3);
  --color-success-text: #3fb950;

  --color-warning: #9e6a03;
  --color-warning-bg: rgba(210, 153, 34, 0.15);
  --color-warning-border: rgba(210, 153, 34, 0.3);
  --color-warning-text: #d29922;

  --color-danger: #da3633;
  --color-danger-bg: rgba(218, 54, 51, 0.15);
  --color-danger-border: rgba(218, 54, 51, 0.4);
  --color-danger-text: #f85149;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

  --radius-sm: 4px;
  --radius-md: 6px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.mono { font-family: var(--font-mono); }
.text-bold { font-weight: 600; }
.text-secondary { color: var(--text-secondary); }
.text-sm { font-size: 12px; }
.text-center { text-align: center; }

.link {
  color: var(--accent-hover);
  text-decoration: none;
}
.link:hover {
  text-decoration: underline;
}

.navbar {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-default);
  height: 52px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar-container {
  max-width: 1400px;
  width: 100%;
  height: 100%;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.navbar-left {
  display: flex;
  align-items: center;
  gap: 24px;
}

.brand-link {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.brand-logo-img {
  height: 28px;
  width: auto;
  max-width: 150px;
  object-fit: contain;
  display: block;
}

.brand-text {
  font-weight: 600;
  font-size: 14px;
  color: var(--text-primary);
}

.nav-links {
  display: flex;
  gap: 4px;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 13px;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: color 0.15s, background-color 0.15s;
}

.nav-link:hover {
  color: var(--text-primary);
  background: var(--bg-subtle);
}

.nav-link.active {
  color: var(--text-primary);
  background: var(--bg-subtle);
  font-weight: 500;
}

.navbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-email {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-secondary);
}

.page-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 24px 20px 48px;
}

.page-header {
  margin-bottom: 20px;
}

.page-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
}

.page-subtitle {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 2px;
}

.grid-2col {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 20px;
  align-items: start;
}

.panel {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.panel-header {
  padding: 12px 16px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-default);
}

.panel-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

.panel-body {
  padding: 16px;
}

.form-group {
  margin-bottom: 12px;
}

.form-label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.form-control {
  width: 100%;
  padding: 6px 10px;
  background: var(--bg-canvas);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 13px;
  transition: border-color 0.15s;
}

.form-control:focus {
  outline: none;
  border-color: var(--border-active);
}

.form-row {
  display: flex;
  gap: 8px;
}

.field-hint {
  display: block;
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 5px 12px;
  font-size: 13px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-default);
  cursor: pointer;
  text-decoration: none;
  font-family: inherit;
  line-height: 20px;
  white-space: nowrap;
  transition: background-color 0.15s, border-color 0.15s, color 0.15s;
}

.btn-primary {
  background: var(--accent-primary);
  border-color: rgba(240, 246, 252, 0.1);
  color: #fff;
}
.btn-primary:hover {
  background: var(--accent-hover);
}

.btn-secondary {
  background: var(--bg-subtle);
  border-color: var(--border-default);
  color: var(--text-primary);
}
.btn-secondary:hover {
  background: #252f3d;
}

.btn-danger {
  background: transparent;
  border-color: var(--border-default);
  color: #f85149;
}
.btn-danger:hover {
  background: var(--color-danger);
  border-color: var(--color-danger);
  color: #fff;
}

.btn-sm {
  padding: 2px 8px;
  font-size: 12px;
  line-height: 18px;
}

.full-width {
  width: 100%;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.data-table th,
.data-table td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-muted);
  font-size: 12px;
}

.data-table th {
  background: var(--bg-surface);
  color: var(--text-secondary);
  font-weight: 500;
}

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

.specs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

.specs-table td {
  padding: 8px 0;
  border-bottom: 1px solid var(--border-muted);
}

.specs-table td:first-child {
  color: var(--text-secondary);
}

.specs-table td:last-child {
  text-align: right;
  font-weight: 500;
}

.badge {
  display: inline-block;
  padding: 2px 6px;
  font-size: 11px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  text-transform: lowercase;
}

.badge-success {
  background: var(--color-success-bg);
  color: var(--color-success-text);
  border: 1px solid var(--color-success-border);
}

.badge-warning {
  background: var(--color-warning-bg);
  color: var(--color-warning-text);
  border: 1px solid var(--color-warning-border);
}

.badge-danger {
  background: var(--color-danger-bg);
  color: var(--color-danger-text);
  border: 1px solid var(--color-danger-border);
}

.badge-neutral {
  background: var(--bg-subtle);
  color: var(--text-secondary);
  border: 1px solid var(--border-default);
}

.method-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 3px;
  letter-spacing: 0.5px;
}
.method-get {
  background: rgba(56, 139, 253, 0.15);
  color: #58a6ff;
  border: 1px solid rgba(56, 139, 253, 0.3);
}
.method-put {
  background: rgba(210, 153, 34, 0.15);
  color: #d29922;
  border: 1px solid rgba(210, 153, 34, 0.3);
}

.banner {
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  margin-bottom: 16px;
}

.banner-error {
  background: var(--color-danger-bg);
  border: 1px solid var(--color-danger-border);
  color: var(--color-danger-text);
}

.banner-success {
  background: var(--color-success-bg);
  border: 1px solid var(--color-success-border);
  color: var(--color-success-text);
}

.separator {
  border: 0;
  border-top: 1px solid var(--border-default);
  margin: 16px 0;
}

.stats-overview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
}

.stat-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: 14px 18px;
}

.stat-card-label {
  display: block;
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
}

.stat-card-value {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: 4px;
}

.stat-unit {
  font-size: 12px;
  font-weight: 400;
  color: var(--text-secondary);
}

.stat-card-meta {
  display: block;
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

.order-controls-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
}

.order-summary-box {
  background: var(--bg-canvas);
  border: 1px solid var(--border-muted);
  border-radius: var(--radius-sm);
  padding: 6px 14px;
}

.order-total-price {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

.price-display {
  margin-bottom: 16px;
}

.price-amount {
  font-size: 28px;
  font-weight: 600;
  color: var(--text-primary);
}

.price-interval {
  font-size: 12px;
  color: var(--text-secondary);
  margin-left: 4px;
}

.invoice-checkout-grid {
  display: grid;
  grid-template-columns: 210px 1fr;
  gap: 24px;
  align-items: center;
}

.qr-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.qr-canvas-box {
  position: relative;
  width: 190px;
  height: 190px;
  background: #ffffff;
  border-radius: var(--radius-md);
  padding: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
}

.qr-canvas-box svg {
  width: 100% !important;
  height: 100% !important;
  display: block;
}

.qr-center-badge {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: #ffffff;
  padding: 2px 4px;
  border-radius: var(--radius-sm);
  border: 1px solid #d0d7de;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.15);
  max-width: 48px;
  max-height: 24px;
}

.qr-center-logo {
  height: 12px;
  width: auto;
  max-width: 42px;
  object-fit: contain;
  display: block;
}

.qr-center-text {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  color: #1f2328;
}

.docs-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 32px;
  align-items: start;
}

.docs-sidebar {
  position: sticky;
  top: 72px;
  max-height: calc(100vh - 90px);
  overflow-y: auto;
  border-right: 1px solid var(--border-muted);
  padding-right: 16px;
}

.docs-sidebar-section {
  margin-bottom: 22px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.docs-sidebar-title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.docs-sidebar-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 12px;
  padding: 5px 8px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 8px;
  transition: color 0.15s, background-color 0.15s;
}

.docs-sidebar-link:hover {
  color: var(--text-primary);
  background: var(--bg-surface);
}

.docs-main {
  min-width: 0;
}

.doc-group-header {
  margin-top: 36px;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-default);
}

.doc-group-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
}

.doc-endpoint-container {
  display: grid;
  grid-template-columns: 1fr 460px;
  gap: 24px;
  align-items: start;
  margin-bottom: 24px;
  padding: 20px;
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
}

.doc-endpoint-left {
  min-width: 0;
}

.endpoint-badge-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.endpoint-uri {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

.endpoint-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

.doc-subheading {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  margin-top: 18px;
  margin-bottom: 8px;
}

.doc-prop-list {
  list-style: none;
  padding: 0;
  margin: 6px 0 0 0;
  font-size: 12px;
  color: var(--text-secondary);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.doc-param-table th,
.doc-param-table td {
  padding: 6px 10px;
}

.doc-endpoint-right {
  min-width: 0;
}

.code-panel {
  background: var(--bg-code);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.code-panel-header {
  padding: 6px 12px;
  background: var(--bg-subtle);
  border-bottom: 1px solid var(--border-default);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.code-panel-body {
  padding: 12px 14px;
  font-size: 12px;
  line-height: 1.55;
  color: #d1d7e0;
  overflow-x: auto;
  white-space: pre;
}

.code-box-wrapper {
  position: relative;
}

.code-box {
  background: var(--bg-code);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 12px;
  color: var(--text-primary);
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-all;
}

.copy-code-btn {
  background: var(--bg-subtle);
  border: 1px solid var(--border-default);
  color: var(--text-secondary);
  font-size: 11px;
  font-family: var(--font-sans);
  font-weight: 500;
  padding: 3px 8px;
  border-radius: 3px;
  cursor: pointer;
  transition: background-color 0.15s, color 0.15s;
}

.copy-code-btn:hover {
  color: var(--text-primary);
  background: #252f3d;
}

.code-box-wrapper .copy-code-btn {
  position: absolute;
  top: 8px;
  right: 8px;
}

.doc-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.doc-card-header {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-default);
}

.doc-card-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.doc-card-body {
  padding: 16px;
}

.specs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
}

.specs-item {
  background: var(--bg-canvas);
  border: 1px solid var(--border-muted);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.specs-label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
}

@media (max-width: 1180px) {
  .doc-endpoint-container {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  .docs-layout {
    grid-template-columns: 1fr;
  }
  .docs-sidebar {
    display: none;
  }
  .grid-2col {
    grid-template-columns: 1fr;
  }
  .invoice-checkout-grid {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }
}