:root {
  color-scheme: light;
  --bg: #f5fbfe;
  --panel: #ffffff;
  --text: #1c2635;
  --muted: #637184;
  --line: #d9e7f1;
  --light-blue: #009fe3;
  --dark-blue: #283583;
  --wash: #e9f7fd;
  --green: #007f3b;
  --red: #d5281b;
  --shadow: 0 18px 45px rgba(40, 53, 131, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background:
    linear-gradient(180deg, rgba(0, 159, 227, 0.12), rgba(245, 251, 254, 0) 280px),
    var(--bg);
  color: var(--text);
  font-family: Omnes, "Omnes Pro", Arial, sans-serif;
}

main {
  max-width: 1380px;
  margin: 0 auto;
  padding: 28px;
}

h1, h2, p {
  margin-top: 0;
}

h1 {
  color: var(--dark-blue);
  font-size: 30px;
  font-weight: 500;
  line-height: 1.05;
  margin-bottom: 6px;
}

h2 {
  color: var(--dark-blue);
  font-size: 18px;
  font-weight: 500;
  margin-bottom: 16px;
}

h3 {
  color: var(--dark-blue);
  font-size: 16px;
  font-weight: 500;
  margin: 0 0 12px;
}

p {
  color: var(--muted);
  margin-bottom: 0;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
  padding: 18px 20px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(0, 159, 227, 0.16);
  box-shadow: var(--shadow);
}

.brandBlock {
  display: flex;
  align-items: center;
  gap: 22px;
}

.logo {
  display: block;
  width: clamp(180px, 22vw, 310px);
  max-height: 58px;
  object-fit: contain;
}

.status {
  min-width: 130px;
  padding: 11px 16px;
  border: 1px solid rgba(0, 159, 227, 0.24);
  background: var(--wash);
  color: var(--dark-blue);
  text-align: center;
  font-weight: 500;
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.tabButton {
  border: 1px solid rgba(40, 53, 131, 0.2);
  background: var(--dark-blue);
  color: #fff;
}

.tabButton.active {
  background: #1d2763;
  color: #fff;
}

.tabButton:hover {
  background: #1d2763;
}

.tabPanel {
  display: none;
}

.tabPanel.active {
  display: grid;
  gap: 16px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: 0 10px 28px rgba(40, 53, 131, 0.05);
  padding: 20px;
}

.panel h2 {
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.columns {
  display: grid;
  grid-template-columns: repeat(4, minmax(150px, 1fr));
  gap: 12px;
}

.retrieveControls {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.retrieveControls.single {
  grid-template-columns: minmax(280px, 520px);
}

.retrieveControls > div {
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 14px;
}

.retrieveControls label + label {
  margin-top: 12px;
}

.helperText {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
  margin: -4px 0 14px;
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 400;
}

.requiredMark {
  color: var(--red);
  font-size: 15px;
}

input, select, textarea {
  width: 100%;
  border: 1px solid #bfd4e3;
  border-radius: 4px;
  padding: 10px 11px;
  color: var(--text);
  background: #fff;
  font: inherit;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--light-blue);
  box-shadow: 0 0 0 3px rgba(0, 159, 227, 0.15);
  outline: 0;
}

button {
  border: 0;
  border-radius: 4px;
  background: var(--light-blue);
  color: #fff;
  padding: 11px 16px;
  font-weight: 500;
  cursor: pointer;
}

button:hover {
  background: #0088c7;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.note {
  margin-top: 20px;
  border-left: 4px solid var(--light-blue);
  padding: 14px;
  color: var(--muted);
  background: var(--wash);
  line-height: 1.45;
}

code {
  background: #dff3fb;
  color: var(--dark-blue);
  padding: 2px 4px;
}

.technicalPanel {
  margin-top: 16px;
}

.payloadOnly textarea {
  min-height: 360px;
}

textarea, pre {
  min-height: 420px;
  margin: 0;
  overflow: auto;
  white-space: pre-wrap;
  font-family: Menlo, Consolas, monospace;
  font-size: 12px;
  line-height: 1.45;
}

pre {
  border: 1px solid #1d2763;
  border-radius: 4px;
  background: #131b36;
  color: #eaf2f8;
  padding: 12px;
}

.responseStack {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.recordSummary {
  min-height: 160px;
  border: 1px solid rgba(0, 159, 227, 0.18);
  border-radius: 4px;
  background: var(--wash);
  padding: 14px;
}

.recordSummary p {
  font-size: 16px;
  line-height: 1.45;
}

.recordSummary h3 {
  font-size: 18px;
}

.validationIntro {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.validationIntro > div {
  border: 1px solid rgba(0, 159, 227, 0.18);
  background: var(--wash);
  padding: 14px;
}

.validationIntro strong {
  display: block;
  color: var(--dark-blue);
  font-weight: 500;
  margin-bottom: 5px;
}

.validationIntro span {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.validationGrid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 16px;
}

.validationCard {
  border: 1px solid var(--line);
  background: #fff;
  padding: 14px;
}

.validationCard h3 {
  font-size: 18px;
}

.validationList {
  display: grid;
  gap: 8px;
}

.validationItem {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  border: 1px solid var(--line);
  padding: 10px;
}

.validationItem > span {
  border-radius: 2px;
  padding: 4px 6px;
  text-align: center;
  color: #fff;
  font-size: 12px;
}

.validationItem strong {
  display: block;
  color: var(--text);
  font-size: 16px;
  font-weight: 400;
}

.validationItem small {
  display: block;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.35;
  margin-top: 4px;
}

.validationItem.pass > span {
  background: var(--green);
}

.validationItem.fail > span {
  background: var(--red);
}

.validationItem.warn > span {
  background: var(--dark-blue);
}

.emptyValidation {
  border: 1px solid rgba(0, 127, 59, 0.22);
  background: #e8f6ee;
  color: var(--green);
  padding: 12px;
}

.summaryGrid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 12px;
}

.summaryRow {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.summaryRow span {
  color: var(--muted);
  font-size: 14px;
}

.summaryRow strong {
  color: var(--text);
  font-size: 16px;
  font-weight: 400;
  overflow-wrap: anywhere;
}

.ok {
  color: var(--green);
}

.bad {
  color: var(--red);
}

.modalOverlay {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(28, 38, 53, 0.42);
}

.modalOverlay[hidden] {
  display: none;
}

.successModal {
  width: min(420px, 100%);
  border: 1px solid rgba(0, 159, 227, 0.24);
  background: #fff;
  box-shadow: 0 24px 60px rgba(28, 38, 53, 0.22);
  padding: 22px;
  position: relative;
}

.successModal h2 {
  border: 0;
  padding: 0;
  margin-bottom: 8px;
}

.modalStatus {
  margin-top: 18px;
  border: 1px solid rgba(0, 127, 59, 0.22);
  background: #e8f6ee;
  color: var(--green);
  padding: 12px 14px;
  font-size: 18px;
}

.modalClose {
  position: absolute;
  top: 12px;
  right: 12px;
  background: transparent;
  color: var(--dark-blue);
  padding: 6px 8px;
}

.modalClose:hover {
  background: var(--wash);
}

@media (max-width: 980px) {
  .topbar, .tabPanel.active, .retrieveControls, .retrieveControls.single, .validationGrid, .validationIntro {
    grid-template-columns: 1fr;
    display: grid;
  }

  .brandBlock {
    align-items: flex-start;
    display: grid;
  }

  .columns {
    grid-template-columns: repeat(2, minmax(140px, 1fr));
  }
}

@media (max-width: 560px) {
  main {
    padding: 14px;
  }

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

  .summaryGrid {
    grid-template-columns: 1fr;
  }
}