:root {
  color-scheme: light dark;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  font-size: 16px;
  --bg: #10131a;
  --panel: rgba(17, 25, 40, 0.75);
  --panel-contrast: rgba(255, 255, 255, 0.04);
  --border: rgba(255, 255, 255, 0.08);
  --text: #f1f5f9;
  --text-subtle: rgba(241, 245, 249, 0.7);
  --accent: #38bdf8;
  --accent-strong: #0ea5e9;
  --positive: #4ade80;
  --negative: #f87171;
  background-color: var(--bg);
}

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

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  background: radial-gradient(circle at top left, rgba(14, 165, 233, 0.08), transparent 40%),
    radial-gradient(circle at bottom right, rgba(56, 189, 248, 0.08), transparent 35%),
    var(--bg);
  color: var(--text);
}

code {
  font-family: "JetBrains Mono", "Fira Code", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono",
    "Courier New", monospace;
  padding: 0.2rem 0.4rem;
  border-radius: 0.4rem;
  background-color: rgba(148, 163, 184, 0.12);
  color: inherit;
}

.app-shell {
  display: grid;
  grid-template-columns: minmax(320px, 360px) 1fr;
  width: 100%;
  height: 100vh;
  overflow: hidden;
  backdrop-filter: blur(18px);
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding: 2rem;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.85), rgba(15, 23, 42, 0.72));
  border-right: 1px solid var(--border);
  overflow-y: auto;
}

.sidebar__header h1 {
  font-size: 1.45rem;
  margin: 0 0 0.35rem;
}

.sidebar__header p {
  margin: 0;
  color: var(--text-subtle);
  font-size: 0.9rem;
}

.sidebar__section {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.sidebar label {
  font-size: 0.9rem;
  color: var(--text-subtle);
}

input[type="url"],
input[type="search"],
input[type="text"],
input[type="number"],
textarea,
select {
  width: 100%;
  background-color: rgba(148, 163, 184, 0.08);
  border: 1px solid transparent;
  color: var(--text);
  border-radius: 0.6rem;
  padding: 0.65rem 0.75rem;
  transition: border 0.2s ease, box-shadow 0.2s ease;
  font-size: 0.95rem;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: rgba(56, 189, 248, 0.7);
  box-shadow: 0 0 0 2px rgba(56, 189, 248, 0.2);
}

small {
  font-size: 0.75rem;
  color: var(--text-subtle);
}

.endpoint-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin: 0;
  padding: 0;
}

.endpoint-category {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-subtle);
  margin: 1rem 0 0.25rem;
}

.endpoint-button {
  width: 100%;
  border: 1px solid rgba(148, 163, 184, 0.08);
  border-radius: 0.75rem;
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.35rem;
  background: rgba(15, 23, 42, 0.35);
  color: inherit;
  text-align: left;
  cursor: pointer;
  transition: border 0.2s ease, transform 0.15s ease, background 0.2s ease;
}

.endpoint-button:hover,
.endpoint-button:focus-visible {
  border-color: rgba(56, 189, 248, 0.4);
  transform: translateY(-1px);
  outline: none;
}

.endpoint-button.active {
  border-color: var(--accent);
  background: rgba(56, 189, 248, 0.14);
}

.endpoint-button .method {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.15rem 0.4rem;
  border-radius: 999px;
  background-color: rgba(56, 189, 248, 0.12);
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.endpoint-button .path {
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono",
    "Courier New", monospace;
  font-size: 0.8rem;
  color: var(--text);
}

.endpoint-button .summary {
  font-size: 0.8rem;
  color: var(--text-subtle);
}

.workspace {
  display: grid;
  grid-template-columns: minmax(420px, 1.1fr) minmax(420px, 1fr);
  height: 100%;
  overflow: hidden;
}

.request-panel,
.response-panel {
  padding: 2rem;
  overflow-y: auto;
  border-left: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.82), rgba(15, 23, 42, 0.68));
}

.request-panel {
  border-left: none;
  border-right: 1px solid var(--border);
}

.field,
.field-cluster,
.request-actions {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.field-cluster {
  flex-direction: row;
}

.field-cluster .field {
  margin-bottom: 0;
}

.field--grow {
  flex: 1;
}

.kv-container {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  background: rgba(148, 163, 184, 0.06);
  border: 1px solid rgba(148, 163, 184, 0.12);
  border-radius: 0.75rem;
  padding: 0.75rem;
}

.kv-row {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 0.5rem;
}

.kv-row input {
  width: 100%;
}

.kv-row button {
  align-self: center;
  padding: 0.4rem 0.6rem;
}

.plain-button {
  border: none;
  background: none;
  color: var(--accent);
  font-weight: 600;
  padding: 0.35rem 0.2rem;
  cursor: pointer;
  align-self: flex-start;
  transition: color 0.2s ease;
}

.plain-button:hover,
.plain-button:focus-visible {
  color: var(--accent-strong);
  outline: none;
}

.primary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 2.75rem;
  min-width: 8rem;
  padding: 0 1.5rem;
  border-radius: 0.75rem;
  border: none;
  background: linear-gradient(135deg, var(--accent-strong), var(--accent));
  color: #0b1120;
  font-weight: 700;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.primary-button:hover,
.primary-button:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 15px 40px -12px rgba(14, 165, 233, 0.55);
  outline: none;
}

.toggle-field {
  flex-direction: row;
  align-items: center;
  gap: 0.75rem;
  margin-top: -0.5rem;
}

.toggle-field input[type="checkbox"] {
  width: 1.2rem;
  height: 1.2rem;
}

textarea {
  min-height: 12rem;
  resize: vertical;
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono",
    "Courier New", monospace;
  white-space: pre;
}

.field-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--text-subtle);
  font-size: 0.8rem;
}

.request-actions {
  flex-direction: row;
  align-items: center;
  gap: 1.5rem;
}

.request-meta {
  font-size: 0.85rem;
  color: var(--text-subtle);
}

.endpoint-info {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1rem;
  border-radius: 0.75rem;
  border: 1px solid rgba(148, 163, 184, 0.16);
  background: rgba(148, 163, 184, 0.06);
  font-size: 0.85rem;
  color: var(--text-subtle);
}

.endpoint-info strong {
  color: var(--text);
}

.response-panel {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.response-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.response-status {
  font-size: 0.95rem;
  color: var(--text-subtle);
  padding: 0.35rem 0.6rem;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.1);
}

.response-status.success {
  color: var(--positive);
  background: rgba(74, 222, 128, 0.12);
}

.response-status.error {
  color: var(--negative);
  background: rgba(248, 113, 113, 0.12);
}

.response-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0.75rem;
  padding: 1rem;
  border-radius: 0.75rem;
  border: 1px solid rgba(148, 163, 184, 0.12);
  background: rgba(148, 163, 184, 0.05);
  font-size: 0.85rem;
}

.meta-label {
  color: var(--text-subtle);
  margin-right: 0.35rem;
}

.response-section {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  border-radius: 0.75rem;
  border: 1px solid rgba(148, 163, 184, 0.12);
  background: rgba(15, 23, 42, 0.4);
  padding: 1rem;
}

.response-section header h3 {
  margin: 0;
  font-size: 1rem;
  color: var(--text);
}

.response-body,
.response-headers {
  margin: 0;
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono",
    "Courier New", monospace;
  font-size: 0.85rem;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 400px;
  overflow: auto;
  padding: 1rem;
  border-radius: 0.65rem;
  background: rgba(10, 15, 25, 0.68);
  border: 1px solid rgba(148, 163, 184, 0.08);
}

.response-body.empty,
.response-headers.empty {
  color: var(--text-subtle);
}

.status-ok {
  color: var(--positive);
}

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

.empty-state {
  font-size: 0.9rem;
  color: var(--text-subtle);
}

.flash {
  animation: flash-border 0.6s ease;
}

@keyframes flash-border {
  0% {
    box-shadow: 0 0 0 0 rgba(56, 189, 248, 0.4);
  }
  100% {
    box-shadow: 0 0 0 6px transparent;
  }
}

@media (max-width: 1220px) {
  .workspace {
    grid-template-columns: 1fr;
  }

  .response-panel {
    border-left: none;
    border-top: 1px solid var(--border);
  }
}

@media (max-width: 880px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    max-height: 40vh;
  }

  .workspace {
    grid-template-columns: 1fr;
    height: auto;
  }
}