/* AniLink API Explorer — refined "developer console" aesthetic.
   Dark theme, single sharp cyan accent, monospace code, clean sans UI. */

:root {
  --bg: #0b0f14;
  --bg-elev: #111821;
  --bg-elev-2: #161f2a;
  --bg-input: #0d141c;
  --border: #1e2a38;
  --border-soft: #18222e;
  --text: #d7e0ea;
  --text-dim: #8a9aae;
  --text-faint: #5a6b80;
  --accent: #5eead4;
  --accent-dim: #2dd4bf;
  --accent-glow: rgba(94, 234, 212, 0.12);
  --amber: #fbbf24;
  --rose: #fb7185;
  --violet: #a78bfa;
  --green: #86efac;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", "JetBrains Mono", "Fira Code", Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --radius: 6px;
  --radius-sm: 4px;
  --shadow: 0 1px 0 rgba(255, 255, 255, 0.03), 0 8px 24px rgba(0, 0, 0, 0.4);
}

* { box-sizing: border-box; }

/* Ensure the [hidden] attribute always hides elements, even when a class
   sets display (e.g. .builder-content { display: flex }). */
[hidden] { display: none !important; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Subtle grain/noise atmosphere via layered radial gradients. */
body {
  background-image:
    radial-gradient(ellipse 80% 50% at 20% -10%, rgba(94, 234, 212, 0.04), transparent),
    radial-gradient(ellipse 60% 40% at 100% 0%, rgba(167, 139, 250, 0.03), transparent);
  background-attachment: fixed;
}

/* ---------- Header ---------- */

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, var(--bg-elev) 0%, var(--bg) 100%);
  position: sticky;
  top: 0;
  z-index: 20;
}

.brand-link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  text-decoration: none;
  color: inherit;
}

.brand-mark {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.02em;
  color: var(--text);
}

.brand-sub {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

/* ---------- Token bar ---------- */

.token-details {
  position: relative;
}

.token-details summary {
  cursor: pointer;
  list-style: none;
  font-size: 13px;
  color: var(--text-dim);
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-elev);
  user-select: none;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: border-color 0.15s, color 0.15s;
}

.token-details summary:hover { border-color: var(--accent-dim); color: var(--text); }
.token-details summary::-webkit-details-marker { display: none; }
.token-icon { font-size: 12px; }

.token-controls {
  position: absolute;
  right: 0;
  top: calc(100% + 6px);
  width: 280px;
  padding: 12px;
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  z-index: 30;
}

#token-input {
  width: 100%;
  padding: 8px 10px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--mono);
  font-size: 12px;
}
#token-input:focus { outline: none; border-color: var(--accent-dim); }

.token-buttons { display: flex; gap: 8px; margin-top: 8px; }

.token-warn {
  margin: 10px 0 0;
  font-size: 11px;
  line-height: 1.4;
  color: var(--text-faint);
}

/* ---------- Layout ---------- */

.layout {
  display: grid;
  grid-template-columns: 260px 1fr 1fr;
  height: calc(100vh - 57px);
  min-height: 0;
}

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

.pane-tree { border-right: 1px solid var(--border); background: var(--bg-elev); }
.pane-builder { border-right: 1px solid var(--border); }
.pane-response { background: var(--bg); }

/* ---------- Tree pane ---------- */

.pane-head { padding: 12px; border-bottom: 1px solid var(--border-soft); }

#op-search {
  width: 100%;
  padding: 8px 10px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 13px;
}
#op-search:focus { outline: none; border-color: var(--accent-dim); box-shadow: 0 0 0 3px var(--accent-glow); }

.op-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px 0;
}

.op-group {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
  padding: 14px 16px 4px;
}

.op-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 7px 16px;
  cursor: pointer;
  border-left: 2px solid transparent;
  transition: background 0.12s, border-color 0.12s;
}
.op-item:hover { background: var(--bg-elev-2); }
.op-item.active {
  background: var(--accent-glow);
  border-left-color: var(--accent);
}
.op-item-name {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--text);
}
.op-item.active .op-item-name { color: var(--accent); }
.op-item-desc {
  font-size: 11px;
  color: var(--text-faint);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ---------- Builder pane ---------- */

.builder-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  text-align: center;
  color: var(--text-faint);
  gap: 8px;
  padding: 40px;
}
.empty-icon {
  font-family: var(--mono);
  font-size: 40px;
  color: var(--border);
  margin-bottom: 4px;
}
.empty-hint { font-size: 12px; }
.empty-hint code { font-family: var(--mono); color: var(--accent); }

.builder-content {
  flex: 1;
  overflow-y: auto;
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.builder-head { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
#op-title {
  margin: 0;
  font-family: var(--mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
}

.op-meta { display: flex; gap: 8px; flex-wrap: wrap; }
.badge {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 3px 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text-dim);
  background: var(--bg-elev);
}
.badge.badge-auth { color: var(--amber); border-color: rgba(251, 191, 36, 0.3); }
.badge.badge-type { color: var(--accent); border-color: rgba(94, 234, 212, 0.25); }

#op-description {
  margin: 0;
  color: var(--text-dim);
  font-size: 13px;
  max-width: 70ch;
}

/* ---------- Variables form ---------- */

.vars-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.field {
  display: grid;
  grid-template-columns: minmax(140px, 220px) 1fr;
  gap: 12px;
  align-items: start;
  padding: 10px 12px;
  background: var(--bg-elev);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
}

.field-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text);
}
.field-name { color: var(--text); }
.req-mark { color: var(--rose); font-weight: 700; }
.field-type-tag {
  font-size: 10px;
  color: var(--text-faint);
  padding: 1px 5px;
  border: 1px solid var(--border);
  border-radius: 3px;
}

.field-input { display: flex; flex-direction: column; gap: 4px; }
.field-input input,
.field-input select,
.field-input textarea {
  width: 100%;
  padding: 6px 8px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--mono);
  font-size: 12px;
}
.field-input textarea { resize: vertical; min-height: 60px; }
.field-input input:focus,
.field-input select:focus,
.field-input textarea:focus { outline: none; border-color: var(--accent-dim); }
.field-input input[type="checkbox"] { width: auto; }

.field-desc { font-size: 11px; color: var(--text-faint); line-height: 1.4; }

.nested-fields {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 8px;
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-input);
}
.nested-row { display: flex; gap: 6px; align-items: center; }
.nested-row label { font-family: var(--mono); font-size: 11px; color: var(--text-dim); min-width: 48px; }
.nested-row input { flex: 1; }

/* ---------- Code blocks ---------- */

.code-blocks { display: flex; flex-direction: column; gap: 12px; }

.code-block {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-input);
}

.code-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 12px;
  background: var(--bg-elev-2);
  border-bottom: 1px solid var(--border);
}
.code-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.copy-btn {
  font-size: 11px;
  padding: 3px 10px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  cursor: pointer;
  transition: all 0.12s;
}
.copy-btn:hover { border-color: var(--accent-dim); color: var(--accent); }
.copy-btn.copied { color: var(--green); border-color: var(--green); }

.code {
  margin: 0;
  padding: 12px 14px;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--text);
  overflow-x: auto;
  max-height: 280px;
  white-space: pre;
}

/* ---------- Run button ---------- */

.run-btn {
  align-self: flex-start;
  padding: 10px 28px;
  font-size: 14px;
  font-weight: 600;
  font-family: var(--sans);
  color: var(--bg);
  background: var(--accent);
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.15s, transform 0.05s;
  letter-spacing: 0.02em;
}
.run-btn:hover { background: var(--accent-dim); }
.run-btn:active { transform: translateY(1px); }
.run-btn:disabled { opacity: 0.5; cursor: wait; }

/* ---------- Response pane ---------- */

.response-tabs {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elev);
}

.tab {
  font-size: 12px;
  font-weight: 600;
  padding: 6px 14px;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-faint);
  cursor: pointer;
  transition: color 0.12s, background 0.12s;
}
.tab:hover { color: var(--text-dim); }
.tab.tab-active { color: var(--accent); background: var(--accent-glow); }

.response-status {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-faint);
}
.response-status.ok { color: var(--green); }
.response-status.err { color: var(--rose); }

.response-output {
  flex: 1;
  margin: 0;
  padding: 14px 16px;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--text);
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

/* JSON syntax highlight tokens */
.tok-key { color: var(--accent); }
.tok-string { color: var(--green); }
.tok-number { color: var(--amber); }
.tok-bool { color: var(--violet); }
.tok-null { color: var(--violet); }
.tok-punct { color: var(--text-faint); }
.tok-err { color: var(--rose); }

/* GraphQL syntax highlight */
.code-gql .gql-keyword { color: var(--violet); }
.code-gql .gql-field { color: var(--accent); }
.code-gql .gql-arg { color: var(--text-dim); }
.code-gql .gql-punct { color: var(--text-faint); }

/* TS syntax highlight (simple) */
.code-ts .ts-keyword { color: var(--violet); }
.code-ts .ts-fn { color: var(--accent); }
.code-ts .ts-string { color: var(--green); }
.code-ts .ts-comment { color: var(--text-faint); }

/* ---------- Scrollbars ---------- */

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 5px; border: 2px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: var(--text-faint); }

/* ---------- Responsive ---------- */

@media (max-width: 1000px) {
  .layout {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
    height: auto;
  }
  .pane { max-height: 70vh; }
  .pane-tree { border-right: none; border-bottom: 1px solid var(--border); }
  .pane-builder { border-right: none; border-bottom: 1px solid var(--border); }
  .field { grid-template-columns: 1fr; }
}