:root {
  --bg: #111315;
  --panel: #191d20;
  --panel-2: #20262a;
  --text: #f4f7f6;
  --muted: #9ba8a5;
  --line: rgba(244, 247, 246, 0.13);
  --accent: #42d2c6;
  --accent-2: #f0c75e;
  --danger: #ff6b6b;
  --ok: #9be564;
  --shadow: 0 16px 42px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(135deg, rgba(66, 210, 198, 0.08), transparent 34rem),
    linear-gradient(315deg, rgba(240, 199, 94, 0.07), transparent 30rem),
    var(--bg);
}

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

button,
.icon-button {
  min-height: 2.5rem;
  border: 1px solid rgba(66, 210, 198, 0.45);
  border-radius: 8px;
  background: var(--accent);
  color: #08100f;
  cursor: pointer;
  font-weight: 700;
  padding: 0.55rem 0.85rem;
}

button:hover,
.icon-button:hover {
  filter: brightness(1.06);
}

.secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--line);
}

.danger {
  background: transparent;
  border-color: rgba(255, 107, 107, 0.45);
  color: var(--danger);
}

.icon-only {
  width: 2.5rem;
  padding: 0;
  font-size: 1.25rem;
}

.icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.icon-button input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.home-link {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 20;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.5rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(17, 19, 21, 0.88);
  color: var(--text);
  font-weight: 700;
  padding: 0.55rem 0.85rem;
  text-decoration: none;
  backdrop-filter: blur(10px);
}

.home-link:hover,
.home-link:focus-visible {
  color: var(--accent);
}

.home-link:focus-visible {
  outline: 1px solid var(--accent);
  outline-offset: 0.3rem;
}

.topbar {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem clamp(1rem, 4vw, 3rem);
  border-bottom: 1px solid var(--line);
}

.topbar h1,
.panel-header h2 {
  margin: 0;
  letter-spacing: 0;
  line-height: 1.15;
}

.topbar h1 {
  max-width: 50rem;
  font-size: clamp(1.75rem, 3vw, 3rem);
}

.topbar-actions,
.button-row,
.tabs,
.request-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.eyebrow {
  margin: 0 0 0.3rem;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.app-shell {
  display: grid;
  grid-template-columns: minmax(16rem, 21rem) minmax(0, 1fr);
  gap: 1rem;
  padding: 1rem clamp(1rem, 4vw, 3rem) 3rem;
}

.sidebar,
.workspace,
.editor,
.inspector,
.workflow-list-panel,
.workflow-editor,
.log-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(25, 29, 32, 0.9);
  box-shadow: var(--shadow);
}

.sidebar,
.editor,
.inspector,
.workflow-list-panel,
.workflow-editor,
.log-panel {
  padding: 1rem;
}

.workspace {
  overflow: hidden;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.tabs {
  padding: 0.7rem;
  border-bottom: 1px solid var(--line);
  background: rgba(32, 38, 42, 0.7);
}

.tab {
  background: transparent;
  border-color: transparent;
  color: var(--muted);
}

.tab.is-active {
  background: rgba(66, 210, 198, 0.14);
  border-color: rgba(66, 210, 198, 0.45);
  color: var(--text);
}

.tab-panel {
  display: none;
  padding: 1rem;
}

.tab-panel.is-visible {
  display: block;
}

.section-grid,
.runner-grid,
.code-layout,
.workflow-layout {
  display: grid;
  gap: 1rem;
}

.section-grid {
  grid-template-columns: minmax(20rem, 27rem) minmax(0, 1fr);
}

.runner-grid,
.code-layout,
.workflow-layout {
  grid-template-columns: minmax(17rem, 24rem) minmax(0, 1fr);
}

label {
  display: grid;
  gap: 0.4rem;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  min-height: 2.45rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #101315;
  color: var(--text);
  padding: 0.6rem 0.7rem;
  outline: none;
}

textarea {
  min-height: 5.8rem;
  resize: vertical;
  line-height: 1.45;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent);
}

.editor {
  display: grid;
  gap: 0.85rem;
  align-content: start;
}

.compact-editor {
  margin-bottom: 1rem;
}

.field-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.compact-row {
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
}

.search {
  max-width: 24rem;
}

.system-list,
.workflow-list,
.card-grid,
.steps-list {
  display: grid;
  gap: 0.75rem;
}

.system-block,
.endpoint-card,
.workflow-item,
.step-card,
.request-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(32, 38, 42, 0.72);
}

.system-block summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  cursor: pointer;
  padding: 0.85rem;
  font-weight: 800;
}

.collection-name {
  min-width: 0;
}

.collection-actions {
  display: flex;
  gap: 0.4rem;
  flex: 0 0 auto;
}

.collection-actions button {
  min-height: 2rem;
  padding: 0.35rem 0.55rem;
}

.system-endpoints {
  display: grid;
  gap: 0.45rem;
  padding: 0 0.85rem 0.85rem;
}

.system-endpoints button,
.workflow-item {
  width: 100%;
  text-align: left;
  background: #111517;
  color: var(--text);
  border-color: var(--line);
}

.endpoint-card {
  padding: 1rem;
  display: grid;
  gap: 0.55rem;
}

.endpoint-card h3,
.workflow-item h3 {
  margin: 0;
  font-size: 1rem;
}

.endpoint-card p,
.workflow-item p,
.hint {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.meta-row {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 1.65rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 800;
  padding: 0 0.55rem;
}

.pill.method {
  color: #0d1413;
  background: var(--accent-2);
  border-color: transparent;
}

.workflow-item {
  display: grid;
  gap: 0.3rem;
  padding: 0.85rem;
}

.workflow-item.is-active {
  border-color: var(--accent);
  background: rgba(66, 210, 198, 0.12);
}

.steps-heading {
  margin-top: 1rem;
}

.step-card {
  padding: 1rem;
}

.step-card.is-collapsed {
  padding-bottom: 0.75rem;
}

.step-card-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.75rem;
  align-items: start;
  margin-bottom: 1rem;
}

.step-name {
  font-size: 1rem;
  font-weight: 800;
}

.step-card.is-collapsed .step-card-header {
  margin-bottom: 0;
}

.step-card.is-collapsed .request-list {
  display: none;
}

.request-list {
  display: grid;
  gap: 0.75rem;
}

.request-card {
  display: grid;
  gap: 0.75rem;
  padding: 0.85rem;
  background: #111517;
}

.request-header {
  justify-content: space-between;
}

pre {
  margin: 0;
  min-height: 28rem;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #0b0e10;
  color: #d9fffa;
  padding: 1rem;
  line-height: 1.5;
}

.code-output {
  min-height: 36rem;
}

@media (max-width: 1050px) {
  .app-shell,
  .section-grid,
  .runner-grid,
  .code-layout,
  .workflow-layout {
    grid-template-columns: 1fr;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .field-row,
  .step-card-header {
    grid-template-columns: 1fr;
  }

  .tab-panel {
    padding: 0.75rem;
  }

  .topbar-actions,
  .button-row,
  .tabs {
    width: 100%;
  }

  .topbar-actions > *,
  .tabs .tab {
    flex: 1 1 auto;
  }
}