:root {
  color-scheme: dark;
  --glass-bg: rgba(255, 255, 255, 0.08);
  --glass-border: rgba(255, 255, 255, 0.15);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  --glass-blur: blur(16px);
  --ink: #f0f4ff;
  --muted: #a0aec0;
  --accent: #22d3ee;
  --accent-strong: #67e8f9;
  --accent-soft: rgba(34, 211, 238, 0.12);
  --gradient-1: #0f172a;
  --gradient-2: #1e293b;
  --get-color: #22d3ee;
  --post-color: #f59e0b;
  --delete-color: #ef4444;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2));
  background-size: 400% 400%;
  animation: gradientShift 15s ease infinite;
  color: var(--ink);
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  line-height: 1.6;
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.shell {
  width: min(1400px, calc(100% - 32px));
  margin: 24px auto 48px;
}

.glass {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  box-shadow: var(--glass-shadow);
}

/* Header */
.header-panel {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 32px;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 16px;
}

.eyebrow {
  color: var(--accent);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 1.5px;
  margin-bottom: 8px;
}

h1 {
  font-size: 36px;
  font-weight: 700;
  background: linear-gradient(135deg, #fff, var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}

h2 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

h3 {
  font-size: 17px;
  font-weight: 600;
  margin-top: 24px;
  margin-bottom: 12px;
  color: #e2e8f0;
}

.lede {
  color: var(--muted);
  font-size: 15px;
}

.glass-btn {
  display: inline-block;
  padding: 10px 20px;
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  backdrop-filter: blur(4px);
  transition: all 0.2s;
}

.glass-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--accent);
  transform: translateY(-1px);
}

/* Layout */
.doc-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 20px;
  align-items: start;
}

/* Sidebar */
.sidebar {
  position: sticky;
  top: 24px;
  padding: 24px;
}

.sidebar h3 {
  margin-top: 0;
  margin-bottom: 16px;
  color: var(--accent);
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.sidebar-nav {
  list-style: none;
  padding: 0;
  margin: 0 0 24px 0;
}

.sidebar-nav li { margin-bottom: 4px; }

.sidebar-nav a {
  display: block;
  padding: 8px 12px;
  color: var(--muted);
  text-decoration: none;
  border-radius: 8px;
  font-size: 14px;
  transition: all 0.2s;
}

.sidebar-nav a:hover, .sidebar-nav a:focus {
  background: rgba(255, 255, 255, 0.06);
  color: var(--ink);
}

.env-card {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--glass-border);
}

.env-card h4 {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--accent);
  margin-bottom: 12px;
}

.env-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 0;
  font-size: 13px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.env-row span { color: var(--muted); }

.env-row code {
  background: rgba(255,255,255,0.08);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 12px;
}

/* Content */
.doc-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.doc-section {
  padding: 28px;
}

.section-desc {
  color: var(--muted);
  margin-bottom: 16px;
  font-size: 15px;
}

.endpoint-url {
  margin: 16px 0;
  padding: 12px 16px;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  font-size: 15px;
}

.endpoint-url code { color: var(--accent); }

/* Endpoint badges */
.endpoint-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.5px;
  min-width: 56px;
  text-align: center;
}

.endpoint-badge.get {
  background: rgba(34, 211, 238, 0.15);
  color: var(--get-color);
  border: 1px solid rgba(34, 211, 238, 0.3);
}

.endpoint-badge.post {
  background: rgba(245, 158, 11, 0.15);
  color: var(--post-color);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.endpoint-badge.delete {
  background: rgba(239, 68, 68, 0.15);
  color: var(--delete-color);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

/* Tables */
.param-table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 14px;
}

.param-table th, .param-table td {
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--glass-border);
}

.param-table th {
  background: rgba(255, 255, 255, 0.04);
  color: var(--accent);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0.5px;
}

.param-table tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

/* Code blocks */
.code-block {
  margin: 16px 0;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--glass-border);
}

pre {
  margin: 0;
  padding: 16px;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(8px);
  color: #e2e8f0;
  font-family: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
  font-size: 13px;
  line-height: 1.6;
  overflow-x: auto;
}

code {
  background: rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  padding: 2px 6px;
  font-size: 0.9em;
  font-family: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
}

/* Forms & Inputs */
label {
  display: block;
  margin-bottom: 14px;
  color: #cbd5e1;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.3px;
}

input, select, textarea {
  width: 100%;
  margin-top: 7px;
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--ink);
  padding: 11px 14px;
  font: inherit;
  backdrop-filter: blur(4px);
  transition: border-color 0.2s, box-shadow 0.2s;
}

input::placeholder, textarea::placeholder {
  color: rgba(160, 174, 192, 0.5);
}

textarea { resize: vertical; }

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

/* Buttons */
button {
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.2), rgba(34, 211, 238, 0.1));
  color: #fff;
  padding: 11px 18px;
  font-weight: 600;
  cursor: pointer;
  backdrop-filter: blur(4px);
  transition: all 0.2s;
}

button:hover {
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.35), rgba(34, 211, 238, 0.2));
  border-color: var(--accent);
  box-shadow: 0 0 20px rgba(34, 211, 238, 0.15);
  transform: translateY(-1px);
}

button:active { transform: translateY(0); }

button.secondary {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--glass-border);
}

button.secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.25);
}

button.small { padding: 8px 12px; font-size: 13px; }
button:disabled { cursor: not-allowed; opacity: 0.45; }

/* Utility */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.button-row, .send-row, .response-head {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 18px;
}

.tab {
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
  border-color: transparent;
}

.tab.active {
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.25), rgba(34, 211, 238, 0.1));
  color: var(--accent);
  border-color: var(--accent);
}

.options {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin: 14px 0;
}

.check {
  display: flex;
  align-items: center;
  gap: 9px;
  min-height: 42px;
  margin: 0;
  padding: 10px;
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  font-weight: 500;
}

.check input {
  width: 18px;
  height: 18px;
  margin: 0;
  accent-color: var(--accent);
}

.proxy-check {
  margin-bottom: 14px;
  background: rgba(255, 255, 255, 0.04);
}

details {
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  padding: 14px;
  background: rgba(255, 255, 255, 0.03);
  margin-top: 14px;
}

summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--muted);
}

.advanced { margin-top: 14px; }

.note {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
  margin-top: 8px;
}

.hidden { display: none !important; }

.response-panel, .docs-panel { margin-top: 18px; }

.response-head {
  justify-content: space-between;
  margin-bottom: 12px;
}

.response-head h2 { margin-bottom: 0; }

/* Status card */
.status-card {
  min-width: 250px;
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 14px 18px;
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(8px);
}

.status-card small {
  display: block;
  color: var(--muted);
  margin-top: 3px;
}

.status-dot {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 12px rgba(34, 211, 238, 0.5);
}

.status-dot.error {
  background: #ef4444;
  box-shadow: 0 0 12px rgba(239, 68, 68, 0.5);
}

/* Footer */
.footer {
  padding: 20px 28px;
  margin-top: 24px;
  text-align: center;
  color: var(--muted);
  font-size: 14px;
}

.footer a {
  color: var(--accent);
  text-decoration: none;
  margin: 0 8px;
}

.footer a:hover {
  color: var(--accent-strong);
  text-decoration: underline;
}

/* Links */
a {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--accent-strong);
  text-decoration: underline;
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.25);
}

/* Responsive */
@media (max-width: 1024px) {
  .doc-layout {
    grid-template-columns: 1fr;
  }
  .sidebar {
    position: static;
    order: -1;
  }
  .sidebar-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
  }
  .sidebar-nav li { margin-bottom: 0; }
  .sidebar-nav a {
    padding: 6px 12px;
    font-size: 13px;
  }
  .env-card { margin-top: 16px; padding-top: 16px; }
}

@media (max-width: 900px) {
  .header-panel {
    flex-direction: column;
    align-items: flex-start;
  }
  .docs-grid, .options, .two-col {
    grid-template-columns: 1fr;
  }
  .tabs { grid-template-columns: 1fr 1fr; }
  .shell { margin: 16px auto 32px; }
  .doc-section { padding: 20px; }
  .param-table { font-size: 13px; }
  .param-table th, .param-table td { padding: 8px 10px; }
}

@media (max-width: 600px) {
  .sidebar-nav {
    grid-template-columns: 1fr 1fr;
  }
  .endpoint-badge {
    font-size: 11px;
    padding: 3px 8px;
    min-width: 48px;
  }
  pre { font-size: 12px; padding: 12px; }
}