:root{
  --bg:#050a12;
  --text:#f6f8fc;
  --muted:#a7b6c9;
  --line:rgba(255,255,255,.12);
  --card:rgba(255,255,255,.065);
  --blue:#1677ff;
  --blue2:#66b2ff;
  --shadow:0 25px 90px rgba(0,0,0,.55);
}

body.light{
  --bg:#edf4ff;
  --text:#07111f;
  --muted:#5f6f86;
  --line:rgba(10,20,40,.14);
  --card:rgba(255,255,255,.82);
  --shadow:0 25px 90px rgba(20,50,90,.18);
}

*{box-sizing:border-box}

html,body{
  margin:0;
  width:100%;
  height:100%;
  overflow:hidden;
  font-family:Arial,sans-serif;
  color:var(--text);
  background:var(--bg);
}

.bg{
  position:fixed;
  inset:0;
  background:
    radial-gradient(circle at 18% 22%, rgba(22,119,255,.22), transparent 28%),
    radial-gradient(circle at 86% 18%, rgba(102,178,255,.12), transparent 28%),
    linear-gradient(135deg,var(--bg),#02050a);
  z-index:-3;
}

.bg:after{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size:38px 38px;
  mask-image:radial-gradient(circle at center, black, transparent 76%);
}

.cursor-light{
  position:fixed;
  width:520px;
  height:520px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(22,119,255,.14), transparent 60%);
  transform:translate(-50%,-50%);
  pointer-events:none;
  z-index:-1;
}

.app{
  width:min(1340px,calc(100vw - 48px));
  height:min(760px,calc(100vh - 48px));
  margin:24px auto;
  padding:26px 28px;
  border:1px solid var(--line);
  border-radius:30px;
  background:linear-gradient(145deg,rgba(8,17,29,.9),rgba(5,10,18,.78));
  box-shadow:var(--shadow);
  display:grid;
  grid-template-rows:78px 152px 54px 1fr;
  gap:18px;
  overflow:hidden;
}

body.light .app{
  background:rgba(255,255,255,.74);
}

.topbar{
  display:grid;
  grid-template-columns:360px 1fr 180px;
  gap:22px;
  align-items:center;
}

.brand{
  display:flex;
  align-items:center;
  gap:14px;
  color:var(--text);
  text-decoration:none;
}


.brand-logo{
  width:86px;
  height:86px;
  object-fit:contain;
  flex:0 0 auto;
}

.brand-icon{
  width:38px;
  height:38px;
  border-radius:13px;
  display:grid;
  place-items:center;
  font-weight:900;
  background:linear-gradient(135deg,var(--blue),var(--blue2));
  box-shadow:0 0 32px rgba(22,119,255,.42);
  transform:rotate(-8deg);
}

.brand strong{display:block;letter-spacing:.5px;font-size:22px;line-height:1.05}
.brand em{font-style:normal;color:var(--blue2)}
.brand small{
  display:block;
  margin-top:4px;
  color:var(--blue2);
  font-size:11px;
  letter-spacing:.18em;
}

.search{
  height:48px;
  border:1px solid var(--line);
  border-radius:16px;
  background:rgba(255,255,255,.06);
  display:flex;
  align-items:center;
  gap:12px;
  padding:0 14px;
}

.search:focus-within{
  border-color:rgba(22,119,255,.65);
  box-shadow:0 0 0 4px rgba(22,119,255,.12);
}

.search input{
  flex:1;
  border:0;
  outline:0;
  background:transparent;
  color:var(--text);
  font-size:16px;
}

.search span,.search kbd{color:var(--muted)}
.search kbd{
  border:1px solid var(--line);
  border-radius:8px;
  padding:3px 7px;
  font-size:12px;
}

.top-actions{
  display:flex;
  align-items:center;
  justify-content:flex-end;
  gap:10px;
}

.mini-link,.theme-btn{
  height:42px;
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(255,255,255,.06);
  color:var(--text);
  cursor:pointer;
  text-decoration:none;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:0 16px;
}

.hero-clean{
  display:flex;
  align-items:end;
  justify-content:space-between;
  gap:28px;
}

.eyebrow{
  margin:0 0 10px;
  color:var(--blue2);
  font-size:13px;
  font-weight:800;
  letter-spacing:.22em;
  text-transform:uppercase;
}

h1{
  margin:0;
  font-size:clamp(48px,5vw,74px);
  line-height:1;
  letter-spacing:-2px;
}

.lead{
  max-width:740px;
  margin:18px 0 0;
  color:var(--muted);
  font-size:18px;
  line-height:1.5;
}


.filterbar{
  display:flex;
  align-items:center;
  gap:10px;
}

.filter{
  height:40px;
  padding:0 18px;
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(255,255,255,.045);
  color:var(--muted);
  cursor:pointer;
}

.filter:hover,.filter.active{
  color:var(--text);
  background:rgba(22,119,255,.16);
  border-color:rgba(22,119,255,.45);
}

.tools-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  grid-template-rows:repeat(2,1fr);
  gap:18px;
  min-height:0;
}

.tool-card{
  color:var(--text);
  text-decoration:none;
  border:1px solid var(--line);
  border-radius:24px;
  background:var(--card);
  padding:22px;
  display:flex;
  align-items:center;
  gap:18px;
  position:relative;
  overflow:hidden;
  transition:transform .22s ease, border-color .22s ease, box-shadow .22s ease;
  backdrop-filter:blur(16px);
}

.tool-card:before{
  content:"";
  position:absolute;
  inset:-120px;
  background:radial-gradient(circle at var(--mx,50%) var(--my,50%), rgba(22,119,255,.24), transparent 36%);
  opacity:0;
  transition:.2s ease;
}

.tool-card:hover{
  transform:translateY(-8px) scale(1.012);
  border-color:rgba(22,119,255,.62);
  box-shadow:0 20px 45px rgba(0,0,0,.28);
}

.tool-card:hover:before{opacity:1}

.cat-icon{
  width:58px;
  height:58px;
  border-radius:18px;
  display:grid;
  place-items:center;
  background:rgba(22,119,255,.15);
  border:1px solid rgba(22,119,255,.3);
  font-size:30px;
  position:relative;
  z-index:1;
}

.tool-card strong{
  display:block;
  font-size:20px;
  position:relative;
  z-index:1;
}

.tool-card small{
  display:block;
  margin-top:7px;
  color:var(--muted);
  font-size:14px;
  line-height:1.35;
  position:relative;
  z-index:1;
}

.tool-card.hidden{display:none}

.tool-shell{
  width:100vw;
  height:100vh;
  display:grid;
  grid-template-rows:64px 1fr;
  background:#08111d;
}

.toolbar{
  height:64px;
  border-bottom:1px solid var(--line);
  background:#08111d;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:0 18px;
}

body.light .toolbar{
  background:rgba(255,255,255,.88);
}

.breadcrumb{
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--muted);
  font-size:14px;
}

.breadcrumb a{
  color:var(--text);
  text-decoration:none;
  font-weight:700;
}

.breadcrumb .current{
  color:var(--blue2);
  font-weight:700;
}

.tool-actions{
  display:flex;
  align-items:center;
  gap:10px;
}

.tool-frame{
  width:100%;
  height:100%;
  border:0;
}

@media(max-width:1050px){
  .brand-logo{width:70px;height:70px}
  .brand strong{font-size:20px}

  .app{
    width:calc(100vw - 20px);
    height:calc(100vh - 20px);
    margin:10px;
    min-height:0;
    grid-template-rows:74px 150px 54px 1fr;
  }

  .topbar{
    grid-template-columns:300px 1fr 92px;
  }

  .top-actions .mini-link{
    display:none;
  }

  .tools-grid{
    grid-template-columns:repeat(2,1fr);
    grid-template-rows:repeat(4,1fr);
  }
}