:root{
  --bg:#fbfbff;
  --ink:#0a1020;
  --muted:rgba(10,16,32,.66);
  --border:rgba(10,16,32,.10);
  --surface:rgba(255,255,255,.78);
  --surface2:rgba(255,255,255,.94);
  --shadow: 0 22px 55px rgba(10,16,32,.10);
  --shadow2: 0 10px 26px rgba(10,16,32,.10);
  --radius:22px;
  --max:1180px;
  --a:#ff3d7f;  /* pink */
  --b:#5b7cfa;  /* blue */
  --c:#25d6a2;  /* mint */
  --d:#ffb020;  /* amber */
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono","Courier New", monospace;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial;
  color:var(--ink);
  background: linear-gradient(180deg, #ffffff 0%, var(--bg) 72%);
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
a:focus{outline:2px solid rgba(91,124,250,.6); outline-offset:3px; border-radius:12px}

.container{max-width:var(--max);margin:0 auto;padding:30px 24px}

/* Animated colorful blobs */
.blobs{position:fixed; inset:-20vh -20vw auto -20vw; height:90vh; pointer-events:none; z-index:-2; filter: blur(45px); opacity:.75}
.blob{position:absolute; width:46vw; height:46vw; border-radius:999px; mix-blend-mode:multiply; animation: drift 16s ease-in-out infinite alternate}
.blob.one{left:-10vw; top:-10vh; background: radial-gradient(circle at 30% 30%, rgba(255,61,127,.55), transparent 60%)}
.blob.two{right:-14vw; top:-6vh; background: radial-gradient(circle at 40% 40%, rgba(91,124,250,.50), transparent 62%); animation-duration: 18s}
.blob.three{left:18vw; top:28vh; background: radial-gradient(circle at 40% 40%, rgba(37,214,162,.40), transparent 62%); animation-duration: 20s}
.blob.four{right:10vw; top:36vh; background: radial-gradient(circle at 40% 40%, rgba(255,176,32,.40), transparent 62%); animation-duration: 22s}
@keyframes drift{
  from{ transform: translate3d(-1vw,-1vh,0) scale(1.02); }
  to{ transform: translate3d(2vw,2vh,0) scale(1.08); }
}

/* Subtle grain */
.grain{
  position:fixed; inset:0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='.12'/%3E%3C/svg%3E");
  mix-blend-mode:multiply;
  opacity:.18;
  pointer-events:none;
  z-index:-1;
}

/* Topbar */
.topbar{
  position:sticky; top:0; z-index:60;
  background: rgba(255,255,255,.72);
  border-bottom:1px solid var(--border);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .topbar{ background: rgba(255,255,255,.95); }
}
.topbar-inner{max-width:var(--max);margin:0 auto;padding:14px 24px;display:flex;align-items:center;justify-content:space-between;gap:14px}
.brand{display:flex;align-items:center;gap:10px;font-weight:950;letter-spacing:.2px}
.brand-mark{width:14px;height:14px;border-radius:999px;background:linear-gradient(135deg,var(--a),var(--b));box-shadow:0 0 0 8px rgba(91,124,250,.10)}
.nav{display:flex;gap:8px;flex-wrap:wrap;color:var(--muted);font-size:14px}
.nav a{padding:9px 10px;border-radius:14px;transition: background .16s ease, transform .16s ease}
.nav a:hover{background:rgba(10,16,32,.05);color:var(--ink);transform:translateY(-1px)}
.nav a:visited{color:inherit}

/* Hero */
.hero{padding:44px 0 12px}
.kicker{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:13px;flex-wrap:wrap}
.pill{
  font-family:var(--mono);font-size:12px;border:1px solid var(--border);
  padding:6px 10px;border-radius:999px;background:rgba(255,255,255,.75)
}
.hero h1{margin:12px 0 10px;font-size:60px;line-height:1.02;letter-spacing:-1.4px}
.hero p{margin:0 0 18px;color:var(--muted);max-width:78ch;line-height:1.6;font-size:16px}

/* Buttons */
.actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.btn{
  border:1px solid var(--border);
  background:rgba(255,255,255,.74);
  padding:11px 14px;border-radius:16px;
  display:inline-flex;align-items:center;gap:10px;
  transition:transform .14s ease, box-shadow .14s ease, background .14s ease;
  box-shadow: var(--shadow2);
  will-change: transform;
}
.btn:hover{transform:translateY(-2px);background:rgba(255,255,255,.94)}
.btn.primary{
  border-color:transparent;
  background:linear-gradient(135deg, rgba(255,61,127,.98), rgba(91,124,250,.92));
  color:white;font-weight:950;
  box-shadow: 0 18px 44px rgba(91,124,250,.22);
}
.btn.alt{
  border-color:transparent;
  background:linear-gradient(135deg, rgba(37,214,162,.95), rgba(255,176,32,.92));
  color:#0a1020;font-weight:950;
  box-shadow: 0 18px 44px rgba(37,214,162,.18);
}
.btn.ghost{background:rgba(255,255,255,.35);box-shadow:none}
.btn small{font-family:var(--mono);opacity:.9}

/* Sections */
.section{
  margin-top:18px;
  border:1px solid var(--border);
  border-radius:var(--radius);
  background: rgba(255,255,255,.70);
  box-shadow: var(--shadow);
  overflow:hidden;
}
.section-head{padding:14px 16px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:flex-end;gap:12px;flex-wrap:wrap}
.section-head h2{margin:0;font-size:15px;letter-spacing:.2px}
.muted{color:var(--muted);font-size:13px}
.section-body{padding:16px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:12px}

/* Cards */
.card{
  border:1px solid var(--border);
  background: rgba(255,255,255,.86);
  border-radius:var(--radius);
  padding:14px;
  transition: transform .14s ease, box-shadow .14s ease, border-color .14s ease;
  position:relative;
  box-shadow: 0 10px 24px rgba(10,16,32,.08);
  will-change: transform;
  transform: translateZ(0);
}
.card:before{
  content:""; position:absolute; inset:0;
  background:
    radial-gradient(680px 240px at 0% 0%, rgba(255,61,127,.10), transparent 60%),
    radial-gradient(680px 240px at 100% 0%, rgba(91,124,250,.10), transparent 60%),
    radial-gradient(680px 240px at 50% 120%, rgba(37,214,162,.08), transparent 60%);
  opacity:.9; pointer-events:none;
  border-radius:var(--radius);
}
.card:hover{transform:translateY(-4px);border-color:rgba(10,16,32,.18);box-shadow: 0 18px 44px rgba(10,16,32,.14)}

.badge{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;color:rgba(10,16,32,.62);
  border:1px solid rgba(10,16,32,.12);
  padding:5px 10px;border-radius:999px;
  background: rgba(255,255,255,.78);
  font-family: var(--mono);
  position:relative;
}
.card h3{margin:12px 0 6px;font-size:16px;position:relative}
.card p{margin:0;color:var(--muted);font-size:13px;line-height:1.5;position:relative}
.meta{margin-top:10px;display:flex;flex-wrap:wrap;gap:8px;position:relative}
.tag{
  font-family:var(--mono);font-size:12px;
  color:rgba(10,16,32,.62);
  border:1px solid rgba(10,16,32,.12);
  padding:4px 8px;border-radius:999px;
  background: rgba(255,255,255,.70);
}

/* Inputs */
.input{
  min-width:240px;
  padding:11px 12px;border-radius:16px;
  border:1px solid var(--border);
  background: rgba(255,255,255,.92);
  color:var(--ink);
  box-shadow: 0 10px 24px rgba(10,16,32,.06);
}
textarea.input{font-family:inherit}

.notice{
  padding:12px 14px;border:1px dashed rgba(10,16,32,.20);
  border-radius:var(--radius);
  background: rgba(255,255,255,.80);
  color:rgba(10,16,32,.74);
}
.prose{max-width:82ch;color:rgba(10,16,32,.74);line-height:1.75}
.prose strong{color:var(--ink)}
.hr{height:1px;background:rgba(10,16,32,.10);margin:14px 0}
kbd{font-family:var(--mono);font-size:12px;border:1px solid rgba(10,16,32,.16);padding:2px 6px;border-radius:8px;background:rgba(255,255,255,.85)}

/* Reveal animations */
.reveal{opacity:0; transform: translateY(14px); transition: opacity .65s ease, transform .65s cubic-bezier(.2,.8,.2,1)}
.reveal.in{opacity:1; transform:none}
.brand:hover .brand-mark{animation: pop .55s ease}
@keyframes pop{0%{transform:scale(1)}40%{transform:scale(1.18)}100%{transform:scale(1)}}

/* Footer */
.footer{margin-top:28px;border-top:1px solid var(--border);background:rgba(255,255,255,.72)}
.footer-inner{max-width:var(--max);margin:0 auto;padding:18px 24px;display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;color:var(--muted);font-size:13px}

@media (max-width:720px){
  .hero h1{font-size:42px}
  .input{min-width: 100%}
}

/* chips */
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.chip{
  border:1px solid rgba(10,16,32,.14);
  background: rgba(255,255,255,.70);
  padding:7px 10px;
  border-radius:999px;
  font-family: var(--mono);
  font-size:12px;
  cursor:pointer;
  transition: transform .12s ease, background .12s ease, box-shadow .12s ease;
}
.chip:hover{transform: translateY(-1px); background: rgba(255,255,255,.92)}
.chip.active{
  border-color: transparent;
  background: linear-gradient(135deg, rgba(255,61,127,.95), rgba(91,124,250,.90));
  color: white;
  box-shadow: 0 12px 30px rgba(91,124,250,.20);
}


/* v11 fixes */
.grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:18px;
}
.card{
  min-height:unset !important;
  height:auto !important;
  display:flex;
  flex-direction:column;
  align-items:flex-start;
}
.card .meta{
  display:flex !important;
  flex-wrap:wrap !important;
  gap:8px !important;
  margin-top:14px;
  width:100%;
}
.card .tag{
  display:inline-flex !important;
  width:auto !important;
  min-width:0 !important;
  height:auto !important;
  white-space:nowrap;
  padding:7px 10px !important;
  border-radius:999px !important;
  line-height:1 !important;
}
.badge{
  display:inline-flex;
  width:auto !important;
  white-space:nowrap;
}
.section-body{overflow:visible !important;}
#tools-grid{align-items:start;}
@media (max-width:720px){
  .grid{grid-template-columns:1fr;}
}

/* v15 theme */
:root{
  --ink:#0c1530;
  --muted:rgba(12,21,48,.66);
  --border:rgba(12,21,48,.09);
}
body{
  background:
    radial-gradient(900px 500px at 8% 10%, rgba(81,214,184,.18), transparent 60%),
    radial-gradient(900px 500px at 92% 12%, rgba(255,174,87,.16), transparent 60%),
    radial-gradient(900px 500px at 50% 100%, rgba(125,111,255,.10), transparent 55%),
    linear-gradient(180deg,#fffdfb 0%,#fbfcff 100%);
}
.hero h1{max-width:980px}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px;align-items:start}
.stack{display:grid;gap:14px}
.mini-card{
  padding:20px;border-radius:24px;border:1px solid var(--border);
  background:linear-gradient(180deg,rgba(255,255,255,.96),rgba(251,252,255,.84));
  box-shadow:0 18px 40px rgba(16,24,40,.06)
}
.mini-card h3{margin:8px 0;font-size:22px}
.tool-logo{
  width:42px;height:42px;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;
  font-weight:800;font-size:14px;letter-spacing:-.4px;color:#fff;
  background:linear-gradient(135deg,#6b7cff,#ff5e98 60%,#ffb84d);
  box-shadow:0 10px 22px rgba(107,124,255,.24);
  flex:0 0 auto;
}
.card-top{display:flex;align-items:flex-start;gap:12px}
.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.prompt-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.metric{padding:16px;border-radius:20px;border:1px solid var(--border);background:rgba(255,255,255,.82)}
.metric strong{display:block;font-size:30px;letter-spacing:-1px}
.logo-pill{font-size:14px}
.section-accent{
  background:
    radial-gradient(700px 220px at 0% 0%, rgba(81,214,184,.08), transparent 60%),
    radial-gradient(700px 220px at 100% 0%, rgba(255,174,87,.08), transparent 60%),
    linear-gradient(180deg,rgba(255,255,255,.92),rgba(255,255,255,.78));
}
.tagline{max-width:820px}
@media (max-width:1000px){
  .hero-grid,.feature-grid,.prompt-grid{grid-template-columns:1fr 1fr}
  .metric-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  .hero-grid,.feature-grid,.prompt-grid,.metric-grid{grid-template-columns:1fr}
}

/* v16 dynamic refinements */
.kpi-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.kpi{padding:16px;border-radius:20px;border:1px solid rgba(12,21,48,.09);background:rgba(255,255,255,.84)}
.kpi strong{display:block;font-size:30px;letter-spacing:-1px}
.tool-grid-tight{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.prose ul{margin:0;padding-left:18px}
.copybox{padding:18px;border-radius:20px;border:1px solid rgba(12,21,48,.09);background:#fff}
.copybox pre{white-space:pre-wrap;margin:0}
@media (max-width:1000px){.tool-grid-tight,.kpi-grid{grid-template-columns:1fr 1fr}}
@media (max-width:720px){.tool-grid-tight,.kpi-grid{grid-template-columns:1fr}}

/* v17 blog styles */
.blog-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.article{max-width:900px;margin:0 auto}
.article h2{margin-top:26px}
.article h3{margin-top:18px}
.article p,.article li{color:var(--muted);line-height:1.7}
.article ul{padding-left:20px}
.article table{width:100%;border-collapse:collapse;margin:14px 0;background:#fff}
.article th,.article td{border:1px solid rgba(12,21,48,.08);padding:10px;text-align:left}
.cta-row{display:flex;gap:10px;flex-wrap:wrap}
@media (max-width:900px){.blog-list{grid-template-columns:1fr}}


/* v18 content styles */
.article{max-width:920px;margin:0 auto}
.article h2{margin-top:28px;margin-bottom:10px}
.article h3{margin-top:20px;margin-bottom:8px}
.article p,.article li{line-height:1.75;color:var(--muted)}
.article ul,.article ol{padding-left:22px}
.article table{width:100%;border-collapse:collapse;margin:16px 0;background:#fff;border:1px solid rgba(12,21,48,.08)}
.article th,.article td{padding:12px;border:1px solid rgba(12,21,48,.08);text-align:left;vertical-align:top}
.article .toc{padding:18px;border:1px solid rgba(12,21,48,.08);border-radius:20px;background:rgba(255,255,255,.82)}
.article .note{padding:16px;border-left:4px solid rgba(107,124,255,.7);background:rgba(255,255,255,.84);border-radius:14px}
.article .tool-block{padding:18px;border:1px solid rgba(12,21,48,.08);border-radius:20px;background:rgba(255,255,255,.86);margin:18px 0}
.article .cta-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}

/* v19 admin styles */
.admin-wrap{max-width:1100px;margin:0 auto}
.admin-grid{display:grid;grid-template-columns:240px 1fr;gap:18px}
.admin-side,.admin-main,.admin-card{padding:18px;border-radius:22px;border:1px solid rgba(12,21,48,.08);background:rgba(255,255,255,.88)}
.admin-tabs button{display:block;width:100%;margin-bottom:8px;padding:12px 14px;border-radius:14px;border:1px solid rgba(12,21,48,.08);background:#fff;text-align:left;cursor:pointer}
.admin-tabs button.active{background:rgba(107,124,255,.12)}
.admin-form{display:grid;gap:12px}
.admin-form input,.admin-form textarea{width:100%;padding:12px 14px;border-radius:14px;border:1px solid rgba(12,21,48,.12);background:#fff}
.admin-form textarea{min-height:160px;resize:vertical}
.admin-list{display:grid;gap:12px}
.admin-item{padding:14px;border-radius:16px;border:1px solid rgba(12,21,48,.08);background:#fff}
.admin-row{display:flex;gap:10px;flex-wrap:wrap}
.small{font-size:13px;color:var(--muted)}
.hidden{display:none!important}
@media (max-width:900px){.admin-grid{grid-template-columns:1fr}}