:root {
  --bg: #0b0d12;
  --bg-2: #11141b;
  --bg-3: #171b24;
  --border: #232936;
  --fg: #e6e9ef;
  --fg-2: #9aa3b2;
  --accent: #7c5cff;
  --accent-2: #4ad9b6;
  --danger: #ff6b6b;
  --warn: #f5b14a;
  --ok: #4ad9b6;
  --info: #6cc1ff;
  --mono: ui-monospace, "JetBrains Mono", "SF Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, system-ui, sans-serif;
}
[data-theme="light"] {
  --bg: #fafbff; --bg-2: #ffffff; --bg-3: #f1f3f9;
  --border: #e3e6ee; --fg: #0e1320; --fg-2: #5b6677;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
kbd {
  background: var(--bg-3); border: 1px solid var(--border);
  border-radius: 4px; padding: 1px 6px; font-family: var(--mono);
  font-size: 12px;
}
code { font-family: var(--mono); background: var(--bg-3); padding: 1px 5px; border-radius: 4px; font-size: 13px; }
.muted { color: var(--fg-2); }
.small { font-size: 13px; }
.tiny { font-size: 12px; }
.hidden { display: none !important; }

.btn {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--bg-3); color: var(--fg);
  border: 1px solid var(--border); border-radius: 8px;
  padding: 8px 14px; font-size: 14px; font-weight: 500;
  cursor: pointer; transition: all 120ms ease;
  font-family: inherit;
}
.btn:hover { border-color: var(--accent); transform: translateY(-1px); }
.btn-primary {
  background: linear-gradient(135deg, var(--accent), #5d3ef0);
  border-color: transparent; color: white;
}
.btn-primary:hover { filter: brightness(1.1); }
.btn-ghost { background: transparent; }
.btn-lg { padding: 12px 22px; font-size: 16px; }
.btn-sm { padding: 4px 10px; font-size: 12px; }

/* === Landing === */
.landing { font-size: 16px; }
.nav {
  display: flex; justify-content: space-between; align-items: center;
  padding: 18px 32px; max-width: 1200px; margin: 0 auto;
}
.nav nav { display: flex; gap: 22px; align-items: center; }
.nav nav a { color: var(--fg-2); font-weight: 500; }
.nav nav a:hover { color: var(--fg); text-decoration: none; }
.brand {
  display: flex; align-items: center; gap: 8px;
  font-weight: 700; font-size: 18px; color: var(--fg);
}
.logo {
  width: 22px; height: 22px; border-radius: 6px;
  background: conic-gradient(from 210deg, var(--accent), var(--accent-2), var(--accent));
}

.hero {
  display: grid; grid-template-columns: 1.1fr 1fr;
  gap: 60px; max-width: 1200px; margin: 60px auto 80px;
  padding: 0 32px; align-items: center;
}
.pill {
  display: inline-block; padding: 5px 12px; border-radius: 999px;
  background: var(--bg-3); color: var(--fg-2); font-size: 13px;
  border: 1px solid var(--border); margin-bottom: 18px;
}
.hero h1 {
  font-size: 56px; line-height: 1.07; margin: 0 0 20px;
  letter-spacing: -0.025em; font-weight: 800;
}
.grad {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.lede { font-size: 19px; color: var(--fg-2); margin: 0 0 28px; max-width: 540px; }
.cta-row { display: flex; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }

.hero-card { perspective: 1200px; }
.terminal {
  background: var(--bg-2); border: 1px solid var(--border);
  border-radius: 12px; overflow: hidden;
  box-shadow: 0 30px 80px rgba(124,92,255,0.18), 0 8px 24px rgba(0,0,0,0.4);
  transform: rotateY(-4deg) rotateX(2deg);
}
.terminal-bar {
  background: var(--bg-3); padding: 10px 14px;
  border-bottom: 1px solid var(--border); display: flex; gap: 6px;
}
.terminal-bar span {
  width: 12px; height: 12px; border-radius: 50%;
  background: #3a4252;
}
.terminal-bar span:first-child { background: #ff5f57; }
.terminal-bar span:nth-child(2) { background: #febc2e; }
.terminal-bar span:nth-child(3) { background: #28c840; }
.terminal-body { padding: 22px; font-family: var(--mono); font-size: 13px; line-height: 1.7; }
.terminal-body pre { margin: 0; white-space: pre-wrap; color: var(--fg); }
.t-c { color: var(--accent-2); font-weight: 700; }
.t-m { color: var(--warn); }
.t-h { color: var(--accent); font-weight: 700; display: inline-block; margin-top: 8px; }

.features { max-width: 1200px; margin: 100px auto; padding: 0 32px; }
.features h2, .demo h2, .pricing h2 {
  font-size: 40px; text-align: center; margin: 0 0 50px;
  letter-spacing: -0.02em; font-weight: 800;
}
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card {
  background: var(--bg-2); border: 1px solid var(--border);
  border-radius: 14px; padding: 28px;
  transition: transform 200ms ease, border-color 200ms ease;
}
.card:hover { transform: translateY(-3px); border-color: var(--accent); }
.icon { font-size: 28px; margin-bottom: 12px; }
.card h3 { margin: 0 0 8px; font-size: 18px; }
.card p { margin: 0; color: var(--fg-2); font-size: 14.5px; }

.demo { max-width: 800px; margin: 100px auto; padding: 0 32px; text-align: center; }
.demo ol { text-align: left; font-size: 17px; color: var(--fg-2); margin: 0 0 36px; padding-left: 22px; }
.demo ol li { margin: 12px 0; }
.demo ol b { color: var(--fg); }

.pricing { max-width: 900px; margin: 80px auto 100px; padding: 0 32px; }
.plans { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.plan {
  background: var(--bg-2); border: 1px solid var(--border);
  border-radius: 16px; padding: 32px; position: relative;
}
.plan-pro { border-color: var(--accent); box-shadow: 0 20px 60px rgba(124,92,255,0.18); }
.ribbon {
  position: absolute; top: -12px; right: 20px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: white; padding: 4px 12px; border-radius: 999px;
  font-size: 12px; font-weight: 600;
}
.plan h3 { margin: 0 0 8px; font-size: 22px; }
.price { font-size: 44px; font-weight: 800; letter-spacing: -0.02em; margin-bottom: 18px; }
.price span { font-size: 16px; color: var(--fg-2); font-weight: 500; }
.plan ul { list-style: none; padding: 0; margin: 0 0 24px; }
.plan ul li { padding: 8px 0; color: var(--fg-2); border-bottom: 1px solid var(--border); font-size: 14.5px; }
.plan ul li::before { content: "✓ "; color: var(--accent-2); font-weight: 700; }

.footer { text-align: center; padding: 50px 0 40px; color: var(--fg-2); font-size: 14px; border-top: 1px solid var(--border); }

/* Beta popup */
.beta {
  position: fixed; inset: 0; background: rgba(0,0,0,0.6);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000; backdrop-filter: blur(6px);
}
.beta-card {
  background: var(--bg-2); border: 1px solid var(--accent);
  border-radius: 16px; padding: 36px; max-width: 460px;
  position: relative; text-align: center;
  box-shadow: 0 30px 100px rgba(124,92,255,0.4);
}
.beta-card h3 { margin: 0 0 12px; font-size: 24px; }
.beta-card p { margin: 8px 0; color: var(--fg-2); }
.beta-card .btn { margin-top: 14px; }
.x {
  position: absolute; top: 12px; right: 14px;
  background: none; border: none; color: var(--fg-2);
  font-size: 26px; cursor: pointer; line-height: 1;
}
.x:hover { color: var(--fg); }

/* === App === */
.app { height: 100vh; display: flex; flex-direction: column; overflow: hidden; }
.app-bar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 18px; border-bottom: 1px solid var(--border);
  background: var(--bg-2);
}
.app-bar-right { display: flex; gap: 8px; }

.workspace {
  flex: 1; display: grid; grid-template-columns: 1fr 1fr;
  gap: 1px; background: var(--border); overflow: hidden;
}
.workspace.single { grid-template-columns: 1fr; }
.request-pane, .response-pane {
  background: var(--bg); padding: 18px;
  overflow-y: auto; display: flex; flex-direction: column;
}

.url-row { display: flex; gap: 8px; margin-bottom: 14px; }
.method {
  background: var(--bg-3); color: var(--fg);
  border: 1px solid var(--border); border-radius: 8px;
  padding: 8px 10px; font-family: var(--mono); font-weight: 600;
  font-size: 13px; cursor: pointer;
}
.url {
  flex: 1; background: var(--bg-3); color: var(--fg);
  border: 1px solid var(--border); border-radius: 8px;
  padding: 9px 12px; font-family: var(--mono); font-size: 13px;
}
.url:focus, .method:focus { outline: 2px solid var(--accent); border-color: var(--accent); }

.tabs {
  display: flex; gap: 0; border-bottom: 1px solid var(--border);
  margin: 8px 0 14px;
}
.tab {
  background: none; border: none; color: var(--fg-2);
  padding: 8px 14px; cursor: pointer; font-family: inherit;
  font-size: 13px; border-bottom: 2px solid transparent;
}
.tab.active { color: var(--fg); border-bottom-color: var(--accent); }
.tab:hover { color: var(--fg); }

.kv-list { display: flex; flex-direction: column; gap: 6px; margin-bottom: 8px; }
.kv-row { display: flex; gap: 6px; }
.kv-row input {
  flex: 1; background: var(--bg-3); color: var(--fg);
  border: 1px solid var(--border); border-radius: 6px;
  padding: 6px 10px; font-family: var(--mono); font-size: 12.5px;
}
.kv-row input:focus { outline: 1px solid var(--accent); border-color: var(--accent); }
.kv-row button {
  background: var(--bg-3); color: var(--fg-2); border: 1px solid var(--border);
  border-radius: 6px; cursor: pointer; padding: 0 10px;
}
.kv-row button:hover { color: var(--danger); }

.code, .code-out {
  background: var(--bg-3); color: var(--fg);
  border: 1px solid var(--border); border-radius: 8px;
  padding: 12px; font-family: var(--mono); font-size: 12.5px;
  min-height: 220px; width: 100%; resize: vertical;
  white-space: pre-wrap; word-break: break-word;
}
.code:focus { outline: 1px solid var(--accent); }
.code-out { max-height: 50vh; overflow: auto; }

.empty { text-align: center; margin: auto; color: var(--fg-2); }
.empty h3 { color: var(--fg); margin: 0 0 6px; }

.response-meta { display: flex; gap: 12px; align-items: center; margin-bottom: 14px; }
.status-pill {
  display: inline-block; padding: 4px 10px; border-radius: 6px;
  font-family: var(--mono); font-weight: 700; font-size: 12px;
  background: var(--bg-3); color: var(--fg);
}
.status-2xx { background: rgba(74,217,182,0.15); color: var(--ok); }
.status-3xx { background: rgba(108,193,255,0.15); color: var(--info); }
.status-4xx { background: rgba(245,177,74,0.15); color: var(--warn); }
.status-5xx, .status-0 { background: rgba(255,107,107,0.15); color: var(--danger); }

.analysis {
  background: linear-gradient(135deg, rgba(124,92,255,0.08), rgba(74,217,182,0.05));
  border: 1px solid rgba(124,92,255,0.3);
  border-radius: 10px; padding: 14px 16px; margin-bottom: 16px;
}
.analysis h4 { margin: 0 0 10px; font-size: 14px; }
.analysis ul { list-style: none; padding: 0; margin: 0; }
.analysis li {
  padding: 6px 0; border-top: 1px dashed var(--border);
  font-size: 13.5px; color: var(--fg);
}
.analysis li:first-child { border-top: none; }
.f-tag {
  display: inline-block; font-size: 10px; font-weight: 700;
  padding: 2px 6px; border-radius: 4px; margin-right: 8px;
  text-transform: uppercase; letter-spacing: 0.05em;
}
.f-error { background: rgba(255,107,107,0.2); color: var(--danger); }
.f-perf { background: rgba(245,177,74,0.2); color: var(--warn); }
.f-security { background: rgba(255,107,107,0.2); color: var(--danger); }
.f-fix { background: rgba(124,92,255,0.2); color: var(--accent); }
.f-info { background: rgba(108,193,255,0.2); color: var(--info); }
.f-ok { background: rgba(74,217,182,0.2); color: var(--ok); }
.llm { margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--border); font-size: 13px; white-space: pre-wrap; }

.modal {
  position: fixed; inset: 0; background: rgba(0,0,0,0.6);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000; backdrop-filter: blur(4px);
}
.modal-card {
  background: var(--bg-2); border: 1px solid var(--border);
  border-radius: 12px; padding: 28px; min-width: 360px; position: relative;
}
.modal-card h3 { margin: 0 0 14px; }
.modal-card table { width: 100%; border-collapse: collapse; }
.modal-card td { padding: 8px 0; border-bottom: 1px solid var(--border); font-size: 14px; }
.modal-card td:last-child { color: var(--fg-2); text-align: right; }

.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: var(--bg-3); border: 1px solid var(--accent);
  padding: 12px 20px; border-radius: 10px; font-size: 14px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.4); z-index: 999;
}

.request-summary {
  background: var(--bg-2); border: 1px solid var(--border);
  border-radius: 8px; padding: 12px 14px; margin-bottom: 14px;
  display: flex; gap: 10px; align-items: center; flex-wrap: wrap;
}
.request-summary code { font-size: 13px; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  .hero h1 { font-size: 38px; }
  .grid { grid-template-columns: 1fr; }
  .plans { grid-template-columns: 1fr; }
  .workspace { grid-template-columns: 1fr; }
}