:root {
  color-scheme: dark;
  --bg: #11120f;
  --surface: #181a16;
  --surface-raised: #20231d;
  --surface-input: #0d0e0c;
  --border: #393d33;
  --border-strong: #555b4d;
  --text: #f1f3ed;
  --text-muted: #a7ad9c;
  --text-dim: #7f8676;
  --accent: #75c879;
  --accent-strong: #96dc98;
  --accent-ink: #102312;
  --focus: #67b7e8;
  --danger: #f07872;
  --warning: #e4b95d;
  --method-blue: #74b9e6;
  --method-yellow: #dfbd6a;
  --method-red: #ed817b;
  --method-violet: #c39be7;
  --radius: 6px;
  --mono: "SFMono-Regular", "Cascadia Code", "Roboto Mono", Consolas, monospace;
  --sans: "Atkinson Hyperlegible", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

html,
body {
  margin: 0;
  min-width: 320px;
  min-height: 100%;
  background: var(--bg);
}

body {
  overflow: hidden;
  color: var(--text);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.45;
  letter-spacing: 0;
}

button,
input,
textarea {
  color: inherit;
  font: inherit;
  letter-spacing: 0;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  cursor: pointer;
}

a {
  color: var(--accent-strong);
}

.icon-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.icon {
  width: 17px;
  height: 17px;
  flex: 0 0 17px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.app-shell {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  height: 100dvh;
}

.topbar {
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 58px;
  gap: 16px;
  padding: 8px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.brand-block,
.toolbar,
.section-row,
.dialog-header,
.dialog-actions {
  display: flex;
  align-items: center;
}

.brand-block {
  min-width: 0;
  gap: 12px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--text);
  font-size: 0.98rem;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}

.brand-mark {
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border: 1px solid #587c58;
  border-radius: var(--radius);
  background: #1c2b1b;
  color: var(--accent-strong);
  font-family: var(--mono);
  font-size: 0.86rem;
}

.privacy-note {
  overflow: hidden;
  color: var(--text-muted);
  font-size: 0.78rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.toolbar {
  justify-content: flex-end;
  gap: 6px;
}

.tool-button,
.locale-button,
.icon-link,
.icon-button,
.add-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  gap: 7px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-raised);
  color: var(--text);
  text-decoration: none;
  transition: border-color 160ms ease, background-color 160ms ease, color 160ms ease;
}

.tool-button {
  padding: 7px 10px;
  font-size: 0.8rem;
}

.tool-button:hover,
.locale-button:hover,
.icon-link:hover,
.icon-button:hover,
.add-button:hover {
  border-color: var(--border-strong);
  background: #2a2e26;
}

.tool-button.primary {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 700;
}

.tool-button.primary:hover {
  border-color: var(--accent-strong);
  background: var(--accent-strong);
}

.locale-button {
  min-width: 62px;
  padding: 7px 9px;
  font-size: 0.78rem;
}

.icon-link,
.icon-button {
  width: 36px;
  height: 36px;
  padding: 0;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(380px, 46%) minmax(0, 1fr);
  min-height: 0;
  overflow: hidden;
}

.request-panel,
.output-panel {
  min-width: 0;
  min-height: 0;
}

.request-panel {
  overflow-y: auto;
  border-right: 1px solid var(--border);
  background: var(--bg);
}

.output-panel {
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr);
  background: var(--surface-input);
}

.panel-heading,
.output-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 17px 18px 15px;
  border-bottom: 1px solid var(--border);
}

.output-header {
  align-items: center;
  background: var(--surface);
}

.eyebrow {
  margin: 0 0 3px;
  color: var(--text-dim);
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  font-size: 1rem;
  line-height: 1.3;
  letter-spacing: 0;
}

.alpha-badge {
  padding: 3px 7px;
  border: 1px solid #796936;
  border-radius: 999px;
  background: #2b2514;
  color: #f0cc72;
  font-size: 0.67rem;
  font-weight: 700;
}

.output-status {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.75rem;
  text-align: right;
}

.output-status.error {
  color: var(--danger);
}

.copy-warning {
  max-width: 460px;
  margin: 4px 0 0;
  color: var(--warning);
  font-size: 0.7rem;
}

.control-section {
  min-width: 0;
  margin: 0;
  padding: 15px 18px;
  border: 0;
  border-bottom: 1px solid var(--border);
}

.control-section > label,
.control-section > legend,
.section-row > label,
.import-dialog > label {
  display: block;
  margin: 0 0 8px;
  padding: 0;
  color: var(--text-muted);
  font-size: 0.73rem;
  font-weight: 700;
  text-transform: uppercase;
}

.section-row {
  justify-content: space-between;
  margin-bottom: 8px;
}

.section-row > label {
  margin: 0;
}

.counter {
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 0.69rem;
}

.segmented-control {
  display: flex;
  align-items: stretch;
  flex-wrap: wrap;
  gap: 5px;
}

.segment-button,
.tab-button {
  border: 1px solid var(--border);
  border-radius: 5px;
  background: var(--surface);
  color: var(--text-muted);
  cursor: pointer;
  font-weight: 700;
  transition: border-color 160ms ease, background-color 160ms ease, color 160ms ease;
}

.segment-button {
  min-width: 56px;
  min-height: 34px;
  padding: 6px 9px;
  font-family: var(--mono);
  font-size: 0.72rem;
}

.segment-button:hover,
.tab-button:hover {
  border-color: var(--border-strong);
  color: var(--text);
}

.segment-button:disabled {
  cursor: not-allowed;
  opacity: 0.42;
}

.segment-button:disabled:hover {
  border-color: var(--border);
  color: var(--text-muted);
}

.segment-button[aria-pressed="true"] {
  border-color: currentColor;
  background: #242821;
  color: var(--accent-strong);
}

.segment-button[data-method="GET"] { color: var(--accent-strong); }
.segment-button[data-method="POST"] { color: var(--method-blue); }
.segment-button[data-method="PUT"] { color: var(--method-yellow); }
.segment-button[data-method="PATCH"] { color: var(--method-violet); }
.segment-button[data-method="DELETE"] { color: var(--method-red); }

.text-input,
.body-input,
.header-input,
.import-input {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-input);
  color: var(--text);
}

.text-input,
.header-input {
  height: 40px;
  padding: 8px 10px;
}

.text-input::placeholder,
.body-input::placeholder,
.header-input::placeholder,
.import-input::placeholder {
  color: #686e61;
}

.text-input[aria-invalid="true"],
.header-input[aria-invalid="true"],
.body-input[aria-invalid="true"] {
  border-color: var(--danger);
}

.mono {
  font-family: var(--mono);
}

.field-status,
.body-hint,
.dialog-note,
.dialog-error {
  min-height: 18px;
  margin: 6px 0 0;
  color: var(--text-dim);
  font-size: 0.72rem;
}

.field-status.valid {
  color: var(--accent-strong);
}

.field-status.error,
.dialog-error {
  color: var(--danger);
}

.header-columns,
.header-row {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr) 36px;
  gap: 7px;
}

.header-columns {
  padding: 0 1px 5px;
  color: var(--text-dim);
  font-size: 0.67rem;
}

.header-list {
  display: grid;
  gap: 7px;
}

.remove-header-button {
  display: grid;
  width: 36px;
  height: 40px;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text-muted);
}

.remove-header-button:hover {
  border-color: var(--danger);
  color: var(--danger);
}

.add-button {
  margin-top: 8px;
  padding: 6px 9px;
  color: var(--text-muted);
  font-size: 0.75rem;
}

.add-button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.body-section {
  min-height: 210px;
}

.body-control {
  margin-bottom: 10px;
}

.body-input,
.import-input {
  min-height: 124px;
  padding: 10px 11px;
  resize: vertical;
  font-size: 0.78rem;
  line-height: 1.55;
}

.body-input:disabled {
  cursor: not-allowed;
  opacity: 0.48;
}

.language-tabs {
  display: flex;
  min-width: 0;
  overflow-x: auto;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  scrollbar-width: thin;
}

.tab-button {
  min-width: max-content;
  min-height: 39px;
  padding: 8px 12px;
  border: 0;
  border-right: 1px solid var(--border);
  border-radius: 0;
  font-family: var(--mono);
  font-size: 0.72rem;
}

.tab-button[aria-selected="true"] {
  box-shadow: inset 0 -2px var(--accent);
  background: var(--surface-raised);
  color: var(--text);
}

.code-viewport {
  position: relative;
  min-height: 0;
  overflow: auto;
}

.empty-state {
  display: grid;
  min-height: 100%;
  place-content: center;
  gap: 12px;
  padding: 28px;
  color: var(--text-dim);
  text-align: center;
}

.empty-state[hidden] {
  display: none;
}

.empty-state p {
  max-width: 320px;
  margin: 0;
  font-size: 0.82rem;
}

.empty-mark {
  color: #5f6658;
  font-family: var(--mono);
  font-size: 1.6rem;
}

.code-panel {
  position: relative;
  min-height: 100%;
}

.code-panel[hidden] {
  display: none;
}

.panel-copy-button {
  position: sticky;
  z-index: 2;
  top: 10px;
  left: calc(100% - 46px);
  display: grid;
  width: 34px;
  height: 34px;
  margin: 10px 10px -44px 0;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #1d201b;
  color: var(--text-muted);
}

.panel-copy-button:hover {
  border-color: var(--accent);
  color: var(--accent-strong);
}

.code-panel pre {
  min-width: max-content;
  margin: 0;
  padding: 20px 62px 28px 20px;
  color: #dce6d7;
  font-family: var(--mono);
  font-size: 0.77rem;
  line-height: 1.65;
  tab-size: 2;
  white-space: pre;
}

.statusbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 28px;
  gap: 16px;
  padding: 4px 12px;
  border-top: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-dim);
  font-size: 0.68rem;
}

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

.import-dialog {
  width: min(620px, calc(100% - 28px));
  padding: 20px;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 22px 60px rgb(0 0 0 / 0.55);
}

.import-dialog::backdrop {
  background: rgb(0 0 0 / 0.72);
}

.dialog-header {
  justify-content: space-between;
  margin-bottom: 18px;
}

.import-input {
  min-height: 178px;
}

.dialog-actions {
  justify-content: flex-end;
  gap: 8px;
  margin-top: 18px;
}

.toast {
  position: fixed;
  z-index: 30;
  right: 16px;
  bottom: 42px;
  max-width: min(390px, calc(100% - 32px));
  padding: 9px 12px;
  border: 1px solid #577456;
  border-radius: var(--radius);
  background: #1a2819;
  color: #dff2dd;
  font-size: 0.78rem;
  opacity: 0;
  pointer-events: none;
  transform: translateY(6px);
  transition: opacity 160ms ease, transform 160ms ease;
}

.toast.visible {
  opacity: 1;
  transform: translateY(0);
}

.toast.error {
  border-color: #89504d;
  background: #2d1918;
  color: #ffd7d3;
}

.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;
}

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

@media (max-width: 900px) {
  body {
    overflow: auto;
  }

  .app-shell {
    min-height: 100dvh;
    height: auto;
  }

  .workspace {
    grid-template-columns: 1fr;
    overflow: visible;
  }

  .request-panel {
    overflow: visible;
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  .output-panel {
    min-height: 520px;
  }

  .privacy-note {
    display: none;
  }
}

@media (max-width: 640px) {
  .topbar {
    align-items: flex-start;
    gap: 8px;
    padding: 8px 10px;
  }

  .brand {
    padding-top: 3px;
  }

  .brand > span:last-child {
    display: none;
  }

  .toolbar {
    flex-wrap: wrap;
  }

  .tool-button {
    width: 36px;
    padding: 0;
  }

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

  .locale-button {
    min-width: 56px;
  }

  .panel-heading,
  .output-header,
  .control-section {
    padding-right: 13px;
    padding-left: 13px;
  }

  .method-control .segment-button {
    flex: 1 0 calc(25% - 5px);
    min-width: 66px;
  }

  .statusbar {
    align-items: flex-start;
    flex-direction: column;
    gap: 2px;
    padding: 5px 10px;
  }

  .toast {
    bottom: 54px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}