:root{
  --bg:#0a0c1e;
  --card:#101633;
  --ink:#e9eeff;
  --muted:#a8b2d8;
  --brand:#7aa8ff;
  --accent:#8df6d0;
  --shadow:0 10px 30px rgba(0,0,0,.25);
  --warn:#ffd166;
  --good:#8ef8c7;
  --bad:#ff6b6b;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Inter,Arial,sans-serif;line-height:1.5}
.container{max-width:980px;margin:0 auto;padding:0 20px}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.small{font-size:.9rem}
.muted{color:var(--muted)}
.site-header{position:sticky;top:0;background:rgba(10,12,31,.85);backdrop-filter:saturate(120%) blur(6px);border-bottom:1px solid rgba(255,255,255,.08);z-index:50}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{font-weight:800;font-size:1.12rem;color:var(--ink)}
.nav a{margin-left:16px;color:var(--ink);opacity:.85}
.hero{padding:40px 20px 10px}
h1{font-size:clamp(1.8rem,4vw,2.4rem);margin:.2em 0 .4em}
.lead{opacity:.9;max-width:65ch}
.card{background:var(--card);border:1px solid rgba(255,255,255,.08);border-radius:16px;box-shadow:var(--shadow);padding:18px;margin:18px 0}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.wrap{flex-wrap:wrap}
label{font-weight:600;display:flex;flex-direction:column}
input[type="text"], input[type="number"], input[type="range"], input[type="checkbox"], select{accent-color:#9df7ee}
input[type="text"], input[type="number"], select{background:#0e1530;color:var(--ink);border:1px solid rgba(255,255,255,.15);border-radius:12px;padding:10px;outline:none}
input:focus, select:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(110,168,255,.25)}
textarea{width:100%;min-height:180px;background:#0e1530;color:#e9eeff;border:1px solid rgba(255,255,255,.15);border-radius:12px;padding:10px;resize:vertical}
.primary{appearance:none;border:0;background:linear-gradient(135deg,var(--brand),#9df7ee);color:#091022;font-weight:800;padding:10px 14px;border-radius:14px;cursor:pointer}
.primary:hover{filter:brightness(1.05)}
.ghost{appearance:none;border:1px solid rgba(255,255,255,.2);background:transparent;color:var(--ink);font-weight:700;padding:10px 12px;border-radius:12px;cursor:pointer}
.check{display:flex;align-items:center;gap:8px}
.out{flex:1 1 320px;background:#0e1530;color:#d9e4ff;border:1px solid rgba(255,255,255,.15);border-radius:12px;padding:10px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace}
.k{display:block;color:var(--muted);font-size:.9rem}
.v{display:block;font-weight:900;font-size:1.1rem}
.ad-wrap{min-height:90px;display:flex;align-items:center;justify-content:center;border:1px dashed rgba(255,255,255,.12);border-radius:14px;padding:8px;margin:14px 0;opacity:.85}
/* Tabs */
.tabs{display:flex;gap:8px;margin-bottom:10px}
.tab{appearance:none;border:1px solid rgba(255,255,255,.2);background:#0e1530;color:#e9eeff;font-weight:700;padding:8px 12px;border-radius:10px;cursor:pointer}
.tab.active{background:linear-gradient(135deg,#7aa8ff,#9df7ee);color:#091022;border-color:transparent}
.tabp{display:block}
.tabp[hidden]{display:none}
/* Strength meter */
.meter{height:10px;background:#0e1530;border:1px solid rgba(255,255,255,.15);border-radius:999px;margin:10px 0}
.bar{height:100%;width:0;border-radius:999px;background:linear-gradient(90deg,#ff6b6b,#ffd166,#8ef8c7)}
/* Carousel */
.carousel-head{display:flex;align-items:center;justify-content:space-between;margin:10px 0}
.car-ctrls button{appearance:none;border:1px solid rgba(255,255,255,.2);background:#0e1530;color:#e9eeff;width:36px;height:36px;border-radius:10px;cursor:pointer}
.car-ctrls button:hover{filter:brightness(1.15)}
.carousel{display:flex;gap:12px;overflow:auto;scroll-snap-type:x mandatory;padding-bottom:10px;scroll-behavior:smooth}
.carousel::-webkit-scrollbar{display:none}
.carousel a.chip{min-width:320px;scroll-snap-align:start;background:linear-gradient(135deg,#7aa8ff,#9df7ee);color:#091022;border-radius:16px;padding:14px 16px;box-shadow:var(--shadow);display:flex;flex-direction:column;text-decoration:none}
.chip .title{font-weight:900;letter-spacing:.2px;font-size:1.05rem}
.chip .meta{display:flex;align-items:center;gap:10px;margin-top:6px}
.chip .badge{background:#091022;color:#c7e4ff;border-radius:999px;padding:4px 8px;font-weight:700;font-size:.82rem}
.chip .cta{margin-left:auto;font-weight:900}
a:focus, button:focus{outline:3px solid #9df7ee;outline-offset:2px}

.site-footer{margin-top:30px;border-top:1px solid rgba(255,255,255,.08);padding:22px 0 60px}
.footer-inner{display:flex;align-items:center;justify-content:space-between}
@media(max-width:880px){.grid-4{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.grid-4{grid-template-columns:1fr} .grid-3{grid-template-columns:1fr}}