:root{
  --bg:#0a0b12;
  --bg-2:#12152a;
  --card:#151a2f;
  --card-border:rgba(255,255,255,.08);
  --text:#f6f2ec;
  --muted:rgba(246,242,236,.7);
  --accent:#ffcf5b;
  --accent-2:#57e6e6;
  --shadow:0 18px 40px rgba(0,0,0,.55);
}
*{ box-sizing:border-box; }
html, body{ height:100%; }
body{
  margin:0;
  background:
    radial-gradient(1100px 520px at 10% -10%, rgba(255,207,91,.14), transparent),
    radial-gradient(900px 520px at 90% 0%, rgba(87,230,230,.14), transparent),
    linear-gradient(160deg, var(--bg) 15%, var(--bg-2) 85%);
  color:var(--text);
  font-family:"Space Grotesk", "Segoe UI", sans-serif;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background-image:
    linear-gradient(transparent 94%, rgba(255,255,255,.02) 96%),
    linear-gradient(90deg, transparent 94%, rgba(255,255,255,.02) 96%);
  background-size:48px 48px;
  pointer-events:none;
  opacity:.4;
  mix-blend-mode:screen;
}

a{ color:inherit; }
.tool-shell{
  min-height:100%;
  padding:48px 20px 64px;
  max-width:1100px;
  margin:0 auto;
  display:flex;
  flex-direction:column;
  gap:32px;
  position:relative;
  z-index:1;
}
.tool-nav{
  display:flex;
  gap:16px;
  font-size:13px;
  letter-spacing:.6px;
  text-transform:uppercase;
  color:var(--muted);
}
.tool-nav a{
  text-decoration:none;
  border-bottom:1px solid transparent;
  padding-bottom:2px;
}
.tool-nav a:hover{
  color:var(--text);
  border-bottom-color:var(--accent);
}
.eyebrow{
  font-size:12px;
  letter-spacing:2px;
  text-transform:uppercase;
  color:var(--muted);
}
.tool-hero{
  display:grid;
  gap:14px;
  text-align:center;
  place-items:center;
  animation: heroIn .8s ease both;
}
.tool-hero h1{
  margin:8px 0 0;
  font-family:"Bebas Neue", "Space Grotesk", sans-serif;
  font-size:clamp(34px, 7vw, 70px);
  letter-spacing:1.2px;
}
.lead{
  margin:0;
  max-width:720px;
  color:var(--muted);
  font-size:clamp(14px, 2.5vw, 18px);
}
.tool-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(280px, 1fr));
  gap:18px;
  animation: rise .7s ease both;
}
.panel{
  background:var(--card);
  border:1px solid var(--card-border);
  border-radius:18px;
  padding:20px;
  box-shadow:0 12px 24px rgba(0,0,0,.3);
  transition: transform .15s ease, box-shadow .2s ease, border-color .2s ease;
}
.panel:hover{
  transform: translateY(-2px);
  border-color: rgba(255,255,255,.18);
  box-shadow:0 16px 30px rgba(0,0,0,.35);
}
.panel h2{
  margin:0 0 12px;
  font-size:20px;
}
.panel.span-2{ grid-column:1 / -1; }

.stack{ display:flex; flex-direction:column; gap:12px; }
.controls{ display:flex; flex-wrap:wrap; gap:10px; }

.button, .chip{
  border-radius:999px;
  border:1px solid rgba(255,255,255,.14);
  background:rgba(10,11,18,.6);
  color:var(--text);
  padding:10px 16px;
  font-size:13px;
  letter-spacing:.4px;
  text-transform:uppercase;
  cursor:pointer;
  font-weight:600;
  transition:transform .08s ease, background .2s ease, color .2s ease;
}
.button:hover, .chip:hover{ transform:translateY(-1px); }
.button.primary{
  background:var(--accent);
  color:#111015;
  border-color:transparent;
}
.chip.active{
  background:var(--accent-2);
  color:#051015;
  border-color:transparent;
}
.output{
  min-height:78px;
  border-radius:16px;
  padding:16px;
  background:linear-gradient(135deg, rgba(255,255,255,.12), rgba(255,255,255,.02));
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
  font-size:clamp(18px, 3vw, 28px);
  font-weight:700;
  color:#fef7ef;
  border:1px solid rgba(255,255,255,.1);
}
.output.small{ min-height:56px; font-size:16px; }

.input-row{ display:flex; flex-wrap:wrap; gap:10px; }
input, textarea{
  flex:1 1 220px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.12);
  background:rgba(9,10,18,.6);
  color:var(--text);
  padding:12px 14px;
  font-size:14px;
}
textarea{ min-height:92px; resize:vertical; }

.pill-list{ display:flex; flex-wrap:wrap; gap:8px; }
.pill{
  border-radius:999px;
  padding:8px 12px;
  font-size:12px;
  border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.05);
  display:flex;
  align-items:center;
  gap:8px;
}
.pill button{
  border:none;
  background:transparent;
  color:var(--muted);
  cursor:pointer;
  font-size:14px;
  line-height:1;
}

.list{
  display:flex;
  flex-direction:column;
  gap:10px;
  margin-top:10px;
}
.list-item{
  display:flex;
  justify-content:space-between;
  padding:8px 0;
  border-bottom:1px solid rgba(255,255,255,.08);
  font-size:14px;
}

.option-row{
  display:grid;
  grid-template-columns:1fr 80px;
  gap:12px;
  align-items:center;
}
.option-meta{
  display:flex;
  align-items:center;
  gap:10px;
}
.option-bar{
  flex:1;
  height:8px;
  border-radius:999px;
  background:rgba(255,255,255,.08);
  overflow:hidden;
}
.option-bar span{
  display:block;
  height:100%;
  background:var(--accent);
  width:0%;
}
.option-count{
  text-align:right;
  font-size:12px;
  color:var(--muted);
}

.helper{
  font-size:12px;
  color:var(--muted);
}

.footer{
  text-align:center;
  color:var(--muted);
  font-size:12px;
}

@keyframes rise{
  from{ opacity:0; transform:translateY(10px); }
  to{ opacity:1; transform:translateY(0); }
}

@keyframes heroIn{
  from{ opacity:0; transform:translateY(8px); }
  to{ opacity:1; transform:translateY(0); }
}

@media (max-width: 640px){
  .tool-shell{ padding:36px 16px 56px; }
  .option-row{ grid-template-columns:1fr; }
}