:root {
  color-scheme: light dark;
  --bg: #f5f5f7;
  --bg-elevated: #ffffff;
  --bg-subtle: #e8e8ed;
  --text: #1d1d1f;
  --text-secondary: #6e6e73;
  --border: rgba(0, 0, 0, 0.08);
  --accent: #0071e3;
  --accent-hover: #0077ed;
  --danger: #ff3b30;
  --success: #34c759;
  --warning: #ff9f0a;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 8px 24px rgba(0, 0, 0, 0.06);
  --radius: 12px;
  --radius-sm: 8px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display",
    "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: "SF Mono", ui-monospace, Menlo, Monaco, Consolas, monospace;
  --nav-height: 52px;
  --max: 1080px;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --bg: #000000;
    --bg-elevated: #1c1c1e;
    --bg-subtle: #2c2c2e;
    --text: #f5f5f7;
    --text-secondary: #a1a1a6;
    --border: rgba(255, 255, 255, 0.12);
    --accent: #0a84ff;
    --accent-hover: #409cff;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 8px 24px rgba(0, 0, 0, 0.35);
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 22px;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-brand {
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
  text-decoration: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 13px;
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
}

.icon-btn.nav-toggle {
  display: none;
}

.icon-btn {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text);
  width: 32px;
  height: 32px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 14px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.container {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  padding: 36px 0 72px;
}

.page-header {
  margin-bottom: 28px;
}

.page-header h1 {
  margin: 0 0 6px;
  font-size: 34px;
  font-weight: 600;
  letter-spacing: -0.03em;
}

.page-header p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.45;
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 28px;
}

.stat {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 16px;
  box-shadow: var(--shadow);
}

.stat .label {
  color: var(--text-secondary);
  font-size: 12px;
  margin-bottom: 8px;
}

.stat .value {
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.03em;
}

.stat .hint {
  margin-top: 6px;
  color: var(--text-secondary);
  font-size: 11px;
}

.panel {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 18px;
  border-bottom: 1px solid var(--border);
}

.panel-header h2 {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.table {
  width: 100%;
  border-collapse: collapse;
}

.table-scroll {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.summary-table {
  table-layout: fixed;
}

.summary-table th {
  width: 40%;
}

.table th,
.table td {
  text-align: left;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  vertical-align: top;
}

.table th {
  color: var(--text-secondary);
  font-weight: 500;
  background: color-mix(in srgb, var(--bg-subtle) 55%, var(--bg-elevated));
}

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

.table a {
  color: var(--text);
  font-weight: 500;
}

.muted {
  color: var(--text-secondary);
}

.text-danger {
  color: var(--danger);
}

.mono {
  font-family: var(--mono);
  font-size: 12px;
  overflow-wrap: anywhere;
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1.2;
  white-space: nowrap;
  background: var(--bg-subtle);
  color: var(--text-secondary);
}

.table td:has(> a .chip),
.table td:has(> .chip) {
  white-space: nowrap;
  width: 1%;
}

.chip.responded,
.chip.received {
  background: color-mix(in srgb, var(--accent) 16%, transparent);
  color: var(--accent);
}

.chip.declined {
  background: color-mix(in srgb, var(--success) 18%, transparent);
  color: var(--success);
}

.chip.refunded {
  background: color-mix(in srgb, var(--warning) 20%, transparent);
  color: var(--warning);
}

.chip.failed,
.chip.skipped {
  background: color-mix(in srgb, var(--danger) 16%, transparent);
  color: var(--danger);
}

.chip.reversed,
.chip.info {
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  color: var(--accent);
}

.chip.ok {
  background: color-mix(in srgb, var(--success) 18%, transparent);
  color: var(--success);
}

.chip.warn {
  background: color-mix(in srgb, var(--warning) 20%, transparent);
  color: var(--warning);
}

.chip.neutral {
  background: var(--bg-subtle);
  color: var(--text-secondary);
}

/* Health banner */
.health-banner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  padding: 14px 18px;
  margin-bottom: 20px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  box-shadow: var(--shadow);
  font-size: 13px;
}

.health-banner.ok {
  border-color: color-mix(in srgb, var(--success) 45%, var(--border));
}

.health-banner.degraded {
  border-color: color-mix(in srgb, var(--warning) 55%, var(--border));
  background: color-mix(in srgb, var(--warning) 6%, var(--bg-elevated));
}

.health-banner.down {
  border-color: color-mix(in srgb, var(--danger) 55%, var(--border));
  background: color-mix(in srgb, var(--danger) 6%, var(--bg-elevated));
}

.health-banner .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--success);
  flex: none;
}

.health-banner.degraded .dot {
  background: var(--warning);
}

.health-banner.down .dot {
  background: var(--danger);
}

.health-banner strong {
  font-weight: 600;
}

.health-banner .signals {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  color: var(--text-secondary);
}

.health-banner ul {
  margin: 4px 0 0;
  padding-left: 18px;
  width: 100%;
  color: var(--text);
}

.health-banner .spacer {
  flex: 1;
}

.inline-form {
  display: inline;
}

.btn.small {
  padding: 6px 12px;
  font-size: 12px;
}

.stack {
  display: grid;
  gap: 16px;
}

.kv {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 6px 16px;
  font-size: 13px;
  padding: 14px 18px;
}

.kv dt {
  color: var(--text-secondary);
}

.kv dd {
  margin: 0;
  overflow-wrap: anywhere;
}

.nav-text .nav-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  margin-left: 6px;
  vertical-align: middle;
  background: var(--warning);
}

.nav-text .nav-dot.down {
  background: var(--danger);
}

.chip.env.sandbox {
  background: color-mix(in srgb, var(--warning) 22%, transparent);
  color: color-mix(in srgb, var(--warning) 70%, var(--text));
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.chip.env.production {
  background: color-mix(in srgb, var(--success) 16%, transparent);
  color: var(--success);
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}

label.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 14px;
}

input[type="text"],
input[type="password"],
input[type="file"],
select,
textarea {
  font: inherit;
  color: var(--text);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  outline: none;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent);
}

textarea {
  min-height: 110px;
  resize: vertical;
}

.btn {
  appearance: none;
  border: none;
  border-radius: 980px;
  padding: 10px 18px;
  font: inherit;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.btn:hover {
  background: var(--accent-hover);
  text-decoration: none;
}

.btn.secondary {
  background: var(--bg-subtle);
  color: var(--text);
}

.btn.danger {
  background: var(--danger);
}

.btn.ghost {
  background: transparent;
  color: var(--accent);
  padding-inline: 10px;
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 12px 0;
  color: var(--text);
  font-size: 14px;
}

.flash-wrap {
  width: min(var(--max), calc(100% - 40px));
  margin: 16px auto 0;
  display: grid;
  gap: 8px;
}

.flash {
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  font-size: 13px;
}

.flash.success {
  border-color: color-mix(in srgb, var(--success) 40%, var(--border));
}

.flash.error {
  border-color: color-mix(in srgb, var(--danger) 40%, var(--border));
}

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(1200px 500px at 50% -10%, color-mix(in srgb, var(--accent) 12%, transparent), transparent),
    var(--bg);
}

.login-card {
  width: min(380px, 100%);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 32px 28px;
  box-shadow: var(--shadow);
}

.login-card h1 {
  margin: 0 0 6px;
  font-size: 28px;
  letter-spacing: -0.03em;
}

.login-card p {
  margin: 0 0 22px;
  color: var(--text-secondary);
  font-size: 14px;
}

.login-card .btn {
  width: 100%;
  margin-top: 8px;
}

.error-text {
  color: var(--danger);
  font-size: 13px;
  margin: 0 0 12px;
}

.timeline {
  list-style: none;
  margin: 0;
  padding: 8px 0;
}

.timeline li {
  position: relative;
  padding: 16px 18px 16px 42px;
  border-bottom: 1px solid var(--border);
}

.timeline li:last-child {
  border-bottom: none;
}

.timeline li::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 22px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.timeline .when {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.timeline .msg {
  font-size: 14px;
  line-height: 1.4;
}

details.payload {
  margin-top: 10px;
}

details.payload summary {
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 12px;
}

pre.code {
  margin: 8px 0 0;
  padding: 12px;
  border-radius: var(--radius-sm);
  background: var(--bg-subtle);
  overflow: auto;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.45;
}

.copy-row {
  display: flex;
  gap: 8px;
  align-items: center;
}

.copy-row input {
  flex: 1;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 16px;
}

.steps {
  counter-reset: step;
  list-style: none;
  padding: 0;
  margin: 0;
}

.steps li {
  counter-increment: step;
  position: relative;
  padding: 18px 18px 18px 56px;
  border-bottom: 1px solid var(--border);
}

.steps li:last-child {
  border-bottom: none;
}

.steps li::before {
  content: counter(step);
  position: absolute;
  left: 18px;
  top: 18px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--bg-subtle);
  color: var(--text);
  display: grid;
  place-items: center;
  font-size: 12px;
  font-weight: 600;
}

.steps h3 {
  margin: 0 0 6px;
  font-size: 15px;
}

.steps p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 1.45;
}

.empty {
  padding: 36px 18px;
  text-align: center;
  color: var(--text-secondary);
  font-size: 14px;
}

@media (max-width: 860px) {
  .stats,
  .grid-2 {
    grid-template-columns: 1fr 1fr;
  }

  .wide-table {
    min-width: 720px;
  }
}

@media (max-width: 640px) {
  .stats,
  .grid-2 {
    grid-template-columns: 1fr;
  }

  .nav {
    padding-inline: 14px;
  }

  .icon-btn.nav-toggle {
    display: inline-flex;
  }

  .nav-toggle[aria-expanded="true"] {
    background: var(--bg-subtle);
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 8px 14px 12px;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-links a {
    display: block;
    padding: 11px 12px;
    border-radius: var(--radius-sm);
    font-size: 15px;
  }

  .nav-links a:hover,
  .nav-links a.active {
    background: var(--bg-subtle);
    text-decoration: none;
  }

  .panel-header {
    gap: 12px;
    flex-wrap: wrap;
  }

  .filters {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .filters .field,
  .filters select {
    width: 100%;
    min-width: 0;
  }

  .wide-table {
    min-width: 100%;
  }

  .responsive-table,
  .responsive-table tbody,
  .responsive-table tr,
  .responsive-table td {
    display: block;
    width: 100%;
  }

  .responsive-table thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
  }

  .responsive-table tbody tr {
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
  }

  .responsive-table tbody tr:last-child {
    border-bottom: none;
  }

  .responsive-table td,
  .responsive-table td:has(> a .chip),
  .responsive-table td:has(> .chip) {
    display: grid;
    grid-template-columns: minmax(84px, 32%) minmax(0, 1fr);
    gap: 12px;
    align-items: start;
    width: 100%;
    padding: 8px 14px;
    border: 0;
    white-space: normal;
    text-align: left !important;
  }

  .responsive-table td::before {
    content: attr(data-label);
    grid-column: 1;
    grid-row: 1;
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 500;
  }

  .responsive-table td > * {
    grid-column: 2;
  }

  .summary-table th,
  .summary-table td {
    padding-inline: 14px;
    overflow-wrap: anywhere;
  }

  .page-header h1 {
    font-size: 28px;
  }

  .container {
    width: min(var(--max), calc(100% - 28px));
  }
}