:root {
  --bg: #f7f6f2;
  --surface: #ffffff;
  --surface-2: #ece8dd;
  --text: #20252b;
  --muted: #6f746f;
  --line: #ddd7cb;
  --line-strong: #c8bda9;
  --blue: #222b33;
  --blue-2: #2f3942;
  --blue-soft: #fff5e6;
  --accent: #f49a1c;
  --accent-2: #2d6f92;
  --danger: #b42318;
  --warning: #b87512;
  --radius: 8px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  min-height: 36px;
  padding: 0 12px;
}

button:hover {
  border-color: var(--accent);
  background: var(--blue-soft);
}

.shell {
  width: min(1500px, 100%);
  margin: 0 auto;
  padding: 18px 24px 24px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  background: var(--blue);
  border-radius: var(--radius);
  border-bottom: 4px solid var(--accent);
  box-shadow: 0 16px 34px rgba(34, 43, 51, 0.18);
  padding: 14px 18px;
  margin-bottom: 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.logo-mark {
  position: relative;
  display: grid;
  place-items: center;
  width: 122px;
  height: 48px;
  flex: 0 0 auto;
  background: transparent;
  border-radius: 0;
  overflow: hidden;
}

.logo-mark img {
  position: relative;
  z-index: 1;
  width: 104px;
  height: auto;
  display: block;
}

.logo-fallback {
  position: absolute;
  color: #ffffff;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0;
}

.logo-fallback[hidden] {
  display: none;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  color: #ffffff;
  font-size: 25px;
  line-height: 1.2;
  font-weight: 700;
}

.topbar p {
  color: #eee8dc;
  margin-top: 6px;
  max-width: 760px;
}

.status {
  border: 1px solid rgba(244, 154, 28, 0.46);
  background: rgba(244, 154, 28, 0.15);
  border-radius: 999px;
  padding: 6px 12px;
  white-space: nowrap;
  color: #ffffff;
  font-weight: 650;
}

.controls,
.toolbar,
.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 10px 24px rgba(34, 43, 51, 0.07);
}

.controls {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  padding: 0;
  align-items: start;
  overflow: hidden;
}

.control-section {
  display: grid;
  gap: 0;
  border: 0;
  border-radius: 0;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.control-section:last-child {
  border-bottom: 0;
}

.section-toggle {
  align-items: center;
  background: var(--surface);
  border: 0;
  border-radius: 0;
  color: var(--blue);
  display: grid;
  font-size: 14px;
  font-weight: 750;
  gap: 12px;
  grid-template-columns: auto minmax(0, 1fr) auto;
  justify-content: stretch;
  min-height: 44px;
  padding: 11px 16px;
  text-align: left;
  text-transform: uppercase;
  width: 100%;
}

.section-toggle::after {
  content: "›";
  color: var(--accent);
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
}

.control-section.open .section-toggle::after {
  content: "⌄";
}

.section-toggle:hover {
  background: #fff9f0;
}

.section-summary {
  color: var(--muted);
  font-size: 12px;
  font-weight: 650;
  overflow: hidden;
  text-align: right;
  text-overflow: ellipsis;
  text-transform: none;
  white-space: nowrap;
}

.section-body {
  border-top: 1px solid var(--surface-2);
  display: grid;
  gap: 12px;
  padding: 14px 16px 16px;
  background: #fbfaf7;
}

.section-body[hidden] {
  display: none;
}

.main-config-groups {
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
}

fieldset {
  border: 1px solid var(--line);
  background: #ffffff;
  border-radius: 6px;
  margin: 0;
  min-width: 0;
  padding: 12px;
}

legend {
  color: var(--accent);
  font-size: 12px;
  font-weight: 750;
  padding: 0 6px;
  text-transform: uppercase;
}

.control-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px;
  align-items: start;
}

.control-grid label {
  grid-column: span 2;
}

.control-grid label:nth-child(3),
.control-grid label:nth-child(5) {
  grid-column: span 3;
}

.logging-grid label {
  grid-column: span 3;
}

.rate-limit-grid label {
  grid-column: span 2;
}

.main-config-groups .control-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.main-config-groups .control-grid label {
  grid-column: span 1;
}

.main-config-groups fieldset:last-child .control-grid label:last-child {
  grid-column: span 2;
}

.wide-control {
  grid-column: span 2;
}

.toggle-control {
  align-items: center;
  color: var(--text);
  display: flex;
  font-size: 14px;
  gap: 8px;
}

.toggle-control input {
  height: 16px;
  min-height: 16px;
  padding: 0;
  width: 16px;
}

.client-filter-fields {
  display: grid;
  grid-template-columns: minmax(120px, 0.4fr) minmax(170px, 1fr);
  gap: 8px;
}

.client-effect {
  align-self: end;
  min-height: 36px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff8ec;
  color: var(--muted);
  display: flex;
  align-items: center;
  padding: 8px 10px;
  font-size: 13px;
  overflow-wrap: anywhere;
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 650;
}

input,
select,
textarea {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--text);
  min-height: 36px;
  padding: 8px 10px;
  width: 100%;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid rgba(244, 154, 28, 0.2);
  border-color: var(--accent);
}

.toolbar {
  display: flex;
  gap: 8px;
  align-items: center;
  padding: 12px;
  margin: 14px 0;
}

.toolbar input {
  max-width: 360px;
}

#selectionSummary {
  color: var(--muted);
  font-size: 13px;
  margin-left: auto;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(460px, 0.95fr) minmax(520px, 1.05fr);
  gap: 14px;
  align-items: stretch;
}

.panel {
  min-height: 620px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.panel-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  background: #fbfaf7;
}

.request-heading {
  display: flex;
  align-items: center;
  gap: 12px;
}

.panel-title h2 {
  color: var(--blue);
  font-size: 16px;
}

.version-tabs {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
}

.version-tabs button {
  border: 0;
  border-radius: 0;
  min-height: 30px;
  padding: 0 10px;
  background: #fff;
}

.version-tabs button + button {
  border-left: 1px solid var(--line);
}

.version-tabs button.active {
  background: var(--accent);
  color: #fff;
}

.panel-title span {
  color: var(--muted);
  font-size: 13px;
}

.endpoint-list {
  overflow: auto;
  height: 720px;
}

.endpoint-row {
  display: grid;
  grid-template-columns: 22px 72px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  padding: 10px 14px;
  border-bottom: 1px solid var(--surface-2);
  color: var(--text);
}

.endpoint-row:hover {
  background: var(--blue-soft);
}

.endpoint-row input {
  width: 16px;
  height: 16px;
  min-height: 16px;
  padding: 0;
}

.method {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 58px;
  height: 24px;
  border-radius: 5px;
  font-size: 12px;
  font-weight: 750;
  color: #fff;
}

.method.get {
  background: #2d7a57;
}

.method.post {
  background: #2d6f92;
}

.method.patch,
.method.put {
  background: var(--warning);
}

.method.delete {
  background: var(--danger);
}

.method.options,
.method.head,
.method.other {
  background: #505860;
}

.endpoint-details {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.endpoint-path {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 13px;
  overflow-wrap: anywhere;
}

.endpoint-summary {
  color: var(--muted);
  font-size: 12px;
  overflow-wrap: anywhere;
}

#generatedConfig {
  border: 0;
  border-radius: 0;
  flex: 1;
  min-height: 720px;
  resize: none;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 12px;
  line-height: 1.5;
  color: #1f252b;
  background: #fbfaf7;
}

.empty {
  padding: 18px;
  color: var(--danger);
}

.empty.neutral {
  color: var(--muted);
}

@media (max-width: 1100px) {
  .workspace {
    grid-template-columns: 1fr;
  }

  .control-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .main-config-groups {
    grid-template-columns: 1fr;
  }

  .control-grid label,
  .control-grid label:nth-child(3),
  .control-grid label:nth-child(5),
  .logging-grid label,
  .rate-limit-grid label {
    grid-column: auto;
  }

  .wide-control {
    grid-column: auto;
  }

  .client-filter-fields {
    grid-template-columns: 1fr;
  }

  .panel,
  .endpoint-list,
  #generatedConfig {
    min-height: 520px;
    height: 520px;
  }
}

@media (max-width: 680px) {
  .shell {
    padding: 14px;
  }

  .topbar,
  .toolbar {
    align-items: stretch;
    flex-direction: column;
  }

  .brand,
  .request-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .logo-mark {
    width: 113px;
    height: 46px;
  }

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

  .main-config-groups .control-grid {
    grid-template-columns: 1fr;
  }

  .section-toggle {
    align-items: start;
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .section-summary {
    grid-column: 1 / -1;
    order: 3;
    text-align: left;
    white-space: normal;
  }

  .control-grid label:nth-child(3),
  .control-grid label:nth-child(5),
  .logging-grid label,
  .rate-limit-grid label,
  .main-config-groups .control-grid label,
  .main-config-groups fieldset:last-child .control-grid label:last-child {
    grid-column: auto;
  }

  .toolbar input {
    max-width: none;
  }

  #selectionSummary {
    margin-left: 0;
  }

  .endpoint-row {
    grid-template-columns: 22px 62px minmax(0, 1fr);
    padding: 10px;
  }
}