:root {
  --ink: #161311;
  --rail: #1c1815;
  --stage: #211c18;
  --panel: #2a241f;
  --line: #3d352e;
  --text: #f3eee6;
  --muted: #9c948a;
  --brass: #c4a574;
  --brass-ink: #1c160f;
  --sage: #8ea07a;
  --sky: #7d9bb0;
  --clay: #c17b6b;
  --lilac: #a894b8;
  --focus: #d4b896;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", Menlo, monospace;
  --sans: "Avenir Next", "Segoe UI", system-ui, sans-serif;
  --serif: "Iowan Old Style", Palatino, "Palatino Linotype", Georgia, serif;
}

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

html,
body {
  margin: 0;
  height: 100%;
  background: var(--ink);
  color: var(--text);
  font: 13px/1.45 var(--sans);
}

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

button {
  cursor: pointer;
}

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

.app {
  display: grid;
  grid-template-columns: 248px 1fr;
  height: 100%;
}

.rail {
  background: var(--rail);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.brand {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 10px;
  padding: 18px 16px 6px;
}

.mark {
  margin: 0;
  font: italic 22px/1 var(--serif);
  letter-spacing: -0.02em;
}

.lede {
  width: 100%;
  margin: 0 0 8px;
  padding: 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.4;
}

.tag {
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brass);
}

.rail-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding: 8px 12px 12px;
}

.search {
  padding: 0 12px 12px;
}

.search input,
.urlbar input,
.urlbar select,
.auth-form input,
.auth-form select,
.body-toolbar select,
.env select,
.kv input,
.dialog input,
#body {
  width: 100%;
  background: var(--ink);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 7px 9px;
  outline: none;
}

.search input:focus,
.urlbar input:focus,
.urlbar select:focus,
.auth-form input:focus,
.auth-form select:focus,
.body-toolbar select:focus,
.env select:focus,
.kv input:focus,
.dialog input:focus,
#body:focus {
  border-color: var(--focus);
}

.rail-section {
  padding: 4px 0 8px;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.rail-section.grow {
  flex: 1;
}

.section-head,
.rail-section h2 {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 0;
  padding: 8px 16px 6px;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
}

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

.list li {
  display: grid;
  grid-template-columns: 56px 1fr auto;
  gap: 8px;
  align-items: center;
  padding: 7px 8px;
  border-radius: 2px;
  cursor: pointer;
}

.list li:hover,
.list li.active {
  background: var(--panel);
}

.list .method {
  font: 10px/1 var(--mono);
  letter-spacing: 0.04em;
  font-weight: 700;
}

.list .name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.list .remove {
  opacity: 0;
  background: none;
  border: 0;
  color: var(--muted);
  padding: 0 2px;
}

.list li:hover .remove {
  opacity: 1;
}

.method.get { color: var(--sage); }
.method.post { color: var(--brass); }
.method.put { color: var(--sky); }
.method.patch { color: var(--lilac); }
.method.delete { color: var(--clay); }
.method.head,
.method.options { color: var(--muted); }

.rail-foot {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 10px 16px 14px;
  border-top: 1px solid var(--line);
}

.rail-foot-actions {
  display: flex;
  gap: 12px;
}

.about-fold {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.45;
}

.about-fold summary {
  cursor: pointer;
  color: var(--brass);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 10px;
}

.about-fold h2 {
  margin: 10px 0 4px;
  font-size: 12px;
  letter-spacing: 0;
  text-transform: none;
  color: var(--text);
}

.about-fold p,
.about-fold li {
  margin: 0 0 6px;
}

.about-fold ul {
  margin: 0;
  padding-left: 16px;
}

.about-fold a {
  color: var(--brass);
}

.about-fold code {
  font-family: var(--mono);
  color: var(--text);
}

.stage {
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: var(--stage);
}

.urlbar {
  display: grid;
  grid-template-columns: 108px 1fr auto auto;
  gap: 8px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
}

#method {
  font: 12px/1 var(--mono);
  font-weight: 700;
}

.btn {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 7px 14px;
  border-radius: 2px;
}

.btn.ghost:hover {
  border-color: var(--brass);
}

.btn.brass {
  background: var(--brass);
  color: var(--brass-ink);
  border-color: var(--brass);
  font-weight: 650;
  min-width: 84px;
}

.btn.brass:hover {
  filter: brightness(1.06);
}

.btn:disabled {
  opacity: 0.5;
  cursor: default;
}

.text-btn {
  background: none;
  border: 0;
  color: var(--muted);
  padding: 0;
}

.text-btn:hover {
  color: var(--text);
}

.hidden {
  display: none !important;
}

.workspace {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.pane {
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.request-pane {
  flex: 0 0 42%;
}

.response-pane {
  flex: 1;
}

.splitter {
  height: 6px;
  cursor: row-resize;
  background: var(--line);
  flex: 0 0 6px;
}

.splitter:hover {
  background: var(--brass);
}

.tabs {
  display: flex;
  gap: 2px;
  padding: 8px 12px 0;
  border-bottom: 1px solid var(--line);
}

.tab {
  background: none;
  border: 0;
  color: var(--muted);
  padding: 8px 12px;
  border-bottom: 1px solid transparent;
  margin-bottom: -1px;
}

.tab.active {
  color: var(--text);
  border-bottom-color: var(--brass);
}

.tab-panels,
.response-view {
  flex: 1;
  min-height: 0;
  position: relative;
}

.panel {
  display: none;
  height: 100%;
  overflow: auto;
  padding: 10px 12px;
}

.panel.active {
  display: block;
}

.kv {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.kv-row {
  display: grid;
  grid-template-columns: 18px 1fr 1fr auto;
  gap: 6px;
  align-items: center;
}

.kv-row input[type="checkbox"] {
  width: 14px;
  height: 14px;
  accent-color: var(--brass);
}

.kv-row .gone {
  background: none;
  border: 0;
  color: var(--muted);
  width: 22px;
}

.body-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}

.body-toolbar label,
.auth-form label,
.dialog label,
.env {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
}

.body-toolbar select,
.auth-form select,
.env select {
  width: auto;
  min-width: 160px;
}

#body {
  height: calc(100% - 42px);
  min-height: 120px;
  resize: none;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.5;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 420px;
}

.auth-fields {
  display: none;
  flex-direction: column;
  gap: 10px;
}

.auth-fields.show {
  display: flex;
}

.auth-fields label {
  flex-direction: column;
  align-items: stretch;
  gap: 4px;
}

.response-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  padding: 10px 14px 4px;
  min-height: 40px;
}

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

.status-pill {
  font: 12px/1 var(--mono);
  font-weight: 700;
}

.status-pill.ok { color: var(--sage); }
.status-pill.warn { color: var(--brass); }
.status-pill.err { color: var(--clay); }

.meta {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
}

.meta.url {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 40vw;
}

.response-actions {
  margin-left: auto;
  display: flex;
  gap: 12px;
}

.response-view .code {
  display: none;
  margin: 0;
  height: 100%;
  overflow: auto;
  padding: 12px 16px 20px;
  font: 12px/1.55 var(--mono);
  white-space: pre-wrap;
  word-break: break-word;
}

.response-view .code.active {
  display: block;
}

.tok-key { color: #d4b896; }
.tok-str { color: #b7c9a3; }
.tok-num { color: #8fb4c9; }
.tok-lit { color: #c17b6b; }

.statusbar {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 8px 14px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.hint {
  margin-left: auto;
  font-size: 11px;
}

dialog {
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 0;
  width: min(520px, calc(100vw - 32px));
}

dialog::backdrop {
  background: rgb(12 10 8 / 0.62);
}

.dialog {
  padding: 18px 18px 14px;
}

.dialog h3 {
  margin: 0 0 8px;
  font: italic 20px/1.2 var(--serif);
}

.dialog p {
  margin: 0 0 12px;
}

.dialog code {
  font-family: var(--mono);
  color: var(--brass);
}

.dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 16px;
}

.empty {
  padding: 8px;
  color: var(--muted);
  font-size: 12px;
}

@media (max-width: 820px) {
  .app {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
  }

  .rail {
    border-right: 0;
    border-bottom: 1px solid var(--line);
    max-height: 36vh;
  }
}