:root {
  --bg: #0b0f14;
  --bg-soft: #0e141b;
  --panel: #0f1622;
  --panel-elev: #101a2b;
  --fg: #e6edf3;
  --muted: #a0afc2;
  --primary: #3b82f6;
  --primary-600: #2563eb;
  --border: #1f2937;
  --accent: #22c55e;
  --warn: #f59e0b;
  --shadow: 0 10px 30px rgba(0,0,0,0.35), 0 1px 0 rgba(255,255,255,0.04) inset;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: radial-gradient(1200px 600px at 10% -100px, #112342 0%, transparent 60%),
              radial-gradient(1000px 500px at 100% -200px, #2b1b51 0%, transparent 60%),
              linear-gradient(180deg, var(--bg) 0%, var(--bg-soft) 100%);
  color: var(--fg);
  font: 15px/1.6 ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  letter-spacing: 0.2px;
}

.container { max-width: 1100px; margin: 0 auto; padding: 0 16px; }

.navbar { position: sticky; top: 0; z-index: 20; background: rgba(10,15,22,0.6); backdrop-filter: blur(10px); border-bottom: 1px solid rgba(255,255,255,0.04); }
.navbar-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--fg); text-decoration: none; font-weight: 600; }
.nav-links { display: flex; align-items: center; gap: 16px; }
.nav-links a { color: var(--muted); text-decoration: none; padding: 6px 10px; border-radius: 8px; }
.nav-links a:hover { color: #d7e6ff; background: rgba(255,255,255,0.04); }

.tabs { display: flex; gap: 8px; padding: 16px; margin-top: 8px; }
.tab {
  background: linear-gradient(180deg, #0f1827 0%, #0c1320 100%);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 12px;
  cursor: pointer;
  transition: transform .15s ease, background .2s ease, border-color .2s ease;
}
.tab:hover { transform: translateY(-1px); }
.tab.active { background: #142034; border-color: #3251a8; color: #cfe1ff; box-shadow: 0 6px 20px rgba(34,75,160,0.25); }

.main { padding: 16px; }

.card {
  background: linear-gradient(180deg, var(--panel-elev) 0%, var(--panel) 100%);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  margin: 16px 0;
  box-shadow: var(--shadow);
}
.card h3 { margin: 6px 0 14px; }

label { display: block; margin: 10px 0 8px; color: var(--fg); }
input[type="text"], input[type="url"], input[type="number"], select, textarea {
  width: 100%; padding: 10px 12px; border-radius: 8px; border: 1px solid var(--border);
  background: #0c1219; color: var(--fg);
}
textarea.code, pre.code { font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace; }
textarea.code { background: #0a0f15; }
pre.code { background: #0a0f15; border: 1px solid var(--border); border-radius: 8px; padding: 12px; max-height: 300px; overflow: auto; }

.grid { display: grid; gap: 14px; }
.grid.two { grid-template-columns: 1fr 1fr; }
.grid.three { grid-template-columns: 1fr 1fr 1fr; }
.grid.compact label { margin-top: 0; }

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

.preview { border: 1px dashed var(--border); border-radius: 12px; padding: 12px; margin-bottom: 8px; background: #0a0f15; }
.search-card { line-height: 1.4; }
.search-title { color: #8ab4f8; font-size: 16px; margin-bottom: 6px; }
.search-url { color: #9ccc65; font-size: 12px; margin-bottom: 6px; }
.search-desc { color: #cbd5e1; font-size: 13px; }

.actions { display: flex; gap: 8px; margin-top: 8px; }
button, .btn { border: 1px solid var(--border); background: #132032; color: var(--fg); padding: 10px 14px; border-radius: 10px; cursor: pointer; text-decoration: none; display: inline-flex; align-items: center; gap: 6px; }
button.primary, .btn-primary { background: var(--primary); border-color: var(--primary-600); color: white; }
button.secondary { background: #0f172a; }
button:disabled { opacity: 0.6; cursor: not-allowed; }

.hint { color: var(--muted); font-size: 12px; margin-top: 4px; }
.kv { display: flex; justify-content: space-between; padding: 6px 0; border-bottom: 1px dashed var(--border); }
.kv:last-child { border-bottom: 0; }

.checkbox { display: inline-flex; align-items: center; gap: 8px; user-select: none; }

.tab-panel { display: none; animation: fade .25s ease; }
.tab-panel.active { display: block; }

.footer { color: var(--muted); padding: 28px 0 40px; border-top: 1px solid rgba(255,255,255,0.06); margin-top: 32px; background: linear-gradient(180deg, rgba(5,8,12,0) 0%, rgba(5,8,12,0.35) 100%); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.foot-brand { display: inline-flex; align-items: center; gap: 8px; color: var(--fg); }
.foot-meta { display: inline-flex; align-items: center; gap: 10px; }
.foot-meta a { color: var(--muted); text-decoration: none; }
.sep { opacity: .5; }

/* Hero */
.hero { padding: 54px 0 20px; background: radial-gradient(600px 240px at 20% -60px, rgba(59,130,246,0.25) 0%, transparent 60%); border-bottom: 1px solid rgba(255,255,255,0.04); }
.hero-inner { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 24px; align-items: center; }
.hero-copy h1 { margin: 0 0 10px; font-size: 30px; letter-spacing: .2px; }
.hero-sub { margin: 0 0 16px; color: #c5d2e4; }
.hero-actions { display: flex; gap: 10px; }
.hero-visual { display: flex; justify-content: center; }
.hero-card { position: relative; width: 100%; max-width: 420px; min-height: 180px; border-radius: 16px; background: linear-gradient(180deg, #0e1726 0%, #0b1220 100%); border: 1px solid rgba(255,255,255,0.06); box-shadow: var(--shadow); padding: 16px; overflow: hidden; }
.hero-card .dot { width: 8px; height: 8px; border-radius: 50%; background: #2a3952; position: absolute; top: 12px; }
.hero-card .dot:nth-child(1){ left: 12px; }
.hero-card .dot:nth-child(2){ left: 26px; }
.hero-card .dot:nth-child(3){ left: 40px; }
.hero-title { margin-top: 36px; color: #cfe1ff; font-weight: 600; }
.hero-desc { color: #93a2b6; font-size: 13px; margin-top: 6px; }

/* Features */
.features { padding: 18px 0 6px; }
.feature-grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.feature-grid li { display: flex; gap: 12px; align-items: flex-start; padding: 14px; border: 1px solid var(--border); border-radius: 12px; background: linear-gradient(180deg, #0e1726 0%, #0c1320 100%); box-shadow: var(--shadow); }
.feature-grid svg { width: 20px; height: 20px; color: #9ec0ff; flex: none; margin-top: 3px; }
.feature-grid h3 { margin: 0 0 4px; font-size: 14px; }
.feature-grid p { margin: 0; color: #b3c0d3; font-size: 13px; }

@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .feature-grid { grid-template-columns: 1fr; }
}

@keyframes fade { from { opacity: 0; transform: translateY(2px); } to { opacity: 1; transform: none; } }