:root {
  --bg0: #102018;
  --bg1: #173024;
  --ink: #f3f7f2;
  --muted: #b7c7bb;
  --line: rgba(243, 247, 242, 0.12);
  --accent: #d6ff4b;
  --accent-ink: #132016;
  --danger: #ff8f8f;
  --panel: rgba(8, 18, 12, 0.72);
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
  --radius: 18px;
  --mono: "DM Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: "Instrument Sans", Georgia, "Times New Roman", serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  color: var(--ink);
  font-family: var(--sans);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(214, 255, 75, 0.18), transparent 55%),
    radial-gradient(900px 500px at 90% 0%, rgba(92, 180, 130, 0.22), transparent 50%),
    linear-gradient(160deg, var(--bg0), var(--bg1) 55%, #0c1711);
}

.shell {
  width: min(980px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 3.5rem 0 4rem;
}

.shell-wide {
  width: min(1180px, calc(100% - 2rem));
}

.workspace {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 1.25rem;
  margin-top: 1.75rem;
  align-items: start;
}

.api-nav {
  display: grid;
  gap: 0.35rem;
  padding: 0.6rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(8, 18, 12, 0.45);
  max-height: min(78vh, 820px);
  overflow: auto;
  position: sticky;
  top: 1rem;
}

.api-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  width: 100%;
  padding: 0.7rem 0.8rem;
  border-radius: 12px;
  background: transparent;
  color: var(--muted);
  text-align: left;
  font: 600 0.88rem/1.2 var(--sans);
}

.api-link code {
  font: 500 0.72rem/1 var(--mono);
  color: rgba(214, 255, 75, 0.7);
}

.api-link.is-active {
  background: var(--accent);
  color: var(--accent-ink);
}

.api-link.is-active code {
  color: var(--accent-ink);
}

.api-main {
  min-width: 0;
}

.api-form {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.75rem;
  margin-top: 0.85rem;
  padding: 0.85rem;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 4px);
  background: rgba(8, 18, 12, 0.45);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
  align-items: end;
}

.api-form .field.grow {
  grid-column: 1 / -1;
}

.api-form .submit-btn {
  justify-self: stretch;
}

.api-form select {
  width: 100%;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
  font: 500 1.05rem/1.2 var(--sans);
}

.hero {
  animation: rise 0.55s ease both;
}

.brand {
  margin: 0 0 0.75rem;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
}

h1 {
  margin: 0;
  max-width: 14ch;
  font-size: clamp(2.4rem, 6vw, 4rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
}

.lede {
  margin: 1rem 0 0;
  max-width: 48ch;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.5;
}

.lede code {
  font-family: var(--mono);
  font-size: 0.9em;
  color: var(--accent);
}

.endpoint {
  margin: 0.85rem 0 0;
  color: var(--muted);
  font: 400 0.85rem/1.4 var(--mono);
  word-break: break-all;
}

.mode-tabs {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 1.6rem;
  padding: 0.3rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(8, 18, 12, 0.35);
}

.mode-tab {
  padding: 0.55rem 1rem;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font: 600 0.92rem/1 var(--sans);
}

.mode-tab.is-active {
  background: var(--accent);
  color: var(--accent-ink);
}

.search {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.75rem;
  margin-top: 1rem;
  padding: 0.85rem;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 4px);
  background: rgba(8, 18, 12, 0.45);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
}

#search-form,
.search-form {
  grid-template-columns: 1fr 6.5rem 8.5rem auto;
}

.offer-form,
.url-form {
  grid-template-columns: 1fr 7rem auto auto;
}

.check-field {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0 0.35rem;
  color: var(--muted);
  font-size: 0.85rem;
  white-space: nowrap;
}

.check-field input {
  width: 1rem;
  height: 1rem;
  accent-color: var(--accent);
}

.lang-field select {
  width: 100%;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
  font: 500 1.05rem/1.2 var(--sans);
}

.field.grow {
  min-width: 0;
}

.page-field input {
  font-variant-numeric: tabular-nums;
}

.field {
  display: grid;
  gap: 0.35rem;
  padding: 0.35rem 0.7rem;
}

.field span {
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.field input {
  width: 100%;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
  font: 500 1.25rem/1.2 var(--mono);
}

.field input::placeholder {
  color: rgba(183, 199, 187, 0.45);
}

button {
  border: 0;
  cursor: pointer;
  font: 600 1rem/1 var(--sans);
}

.submit-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-width: 8.5rem;
  padding: 0 1.35rem;
  border-radius: 14px;
  background: var(--accent);
  color: var(--accent-ink);
  transition: transform 0.15s ease, filter 0.15s ease;
}

.submit-btn:hover:not(:disabled) {
  transform: translateY(-1px);
  filter: brightness(1.05);
}

.submit-btn:disabled {
  cursor: wait;
  opacity: 0.8;
}

.btn-spinner {
  display: none;
  width: 0.95rem;
  height: 0.95rem;
  border: 2px solid rgba(19, 32, 22, 0.25);
  border-top-color: var(--accent-ink);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

body.is-loading .btn-label {
  opacity: 0.7;
}

body.is-loading .btn-spinner {
  display: inline-block;
}

.status {
  min-height: 1.4rem;
  margin: 0.9rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

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

.panel {
  margin-top: 1.75rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
  overflow: hidden;
  animation: rise 0.45s ease both;
}

.panel-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 1rem 1.15rem;
  border-bottom: 1px solid var(--line);
}

.panel-meta {
  display: grid;
  gap: 0.2rem;
}

.panel-meta strong {
  font-size: 1.05rem;
}

.panel-meta span {
  color: var(--muted);
  font-size: 0.9rem;
}

.panel-actions {
  display: flex;
  gap: 0.5rem;
}

.ghost {
  padding: 0.65rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--ink);
}

.ghost:hover {
  background: rgba(214, 255, 75, 0.08);
}

.summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.75rem;
  padding: 1rem 1.15rem;
  border-bottom: 1px solid var(--line);
}

.summary-card {
  padding: 0.85rem 0.95rem;
  border-radius: 12px;
  background: rgba(214, 255, 75, 0.06);
}

.summary-card span {
  display: block;
  margin-bottom: 0.3rem;
  color: var(--muted);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.summary-card strong {
  font-size: 1rem;
  font-weight: 600;
  word-break: break-word;
}

.json {
  margin: 0;
  padding: 1.15rem;
  overflow: auto;
  max-height: min(70vh, 720px);
  font: 400 0.92rem/1.55 var(--mono);
  white-space: pre-wrap;
  word-break: break-word;
  color: #dff5df;
}

.json .key {
  color: #9ad4ff;
}

.json .string {
  color: #d6ff4b;
}

.json .number {
  color: #ffd28a;
}

.json .boolean {
  color: #ff9ecb;
}

.json .null {
  color: #b7c7bb;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 900px) {
  .workspace {
    grid-template-columns: 1fr;
  }

  .api-nav {
    position: static;
    max-height: none;
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 720px) {
  .shell {
    padding-top: 2rem;
  }

  .search,
  #search-form,
  .search-form,
  .offer-form,
  .url-form,
  .api-form {
    grid-template-columns: 1fr;
  }

  .api-nav {
    grid-template-columns: 1fr;
  }

  .submit-btn {
    min-height: 3.1rem;
  }

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