:root{
  --bg:#0f1213;
  --surface:#0f1415;
  --card:#0f1415;
  --muted:#9aa0a6;
  --text:#e6e6e6;
  --accent:#7c3bff;
  --accent-2:#9b59ff;
  --cta:#7c3bff;
  --glass:rgba(255,255,255,0.03);
}

/* Light theme overrides */
[data-theme="light"]{
  --bg:#f6f7fb;
  --surface:#ffffff;
  --card:#ffffff;
  --muted:#5b6570;
  --text:#111217;
  --accent:#6a3bff;
  --accent-2:#8a5cff;
  --cta:#6a3bff;
  --glass:rgba(13,18,28,0.03);
}
*{box-sizing:border-box}
html,body{height:100%}
.theme-transition{
  transition:background-color .28s ease,color .28s ease;
}
body{
  margin:0;
  font-family:Inter,Segoe UI,Arial,Helvetica,sans-serif;
  background:linear-gradient(180deg,var(--bg),#0b0b0b);
  color:var(--text);
  -webkit-font-smoothing:antialiased;
}
.container{max-width:980px;margin:0 auto;padding:0 20px}
.site-header{padding:18px 0;border-bottom:1px solid rgba(255,255,255,0.02)}
.header-inner{display:flex;align-items:center;justify-content:space-between}
.site-header{position:sticky;top:0;z-index:40;background:linear-gradient(180deg,transparent,rgba(0,0,0,0.02));backdrop-filter:blur(6px);}
[data-theme="light"] .site-header{
  background:#ffffff;
  border-bottom:1px solid rgba(0,0,0,.06);
}
.brand{font-weight:700;color:var(--text);font-family:Poppins,Inter,Segoe UI,Arial}
.site-nav a{color:rgba(255,255,255,0.9);text-decoration:none;margin-left:20px;font-size:14px;padding:8px 10px;border-radius:8px}
.site-nav a:hover{background:var(--glass);color:var(--text)}

.hero{padding:60px 0}
.hero h1{font-size:44px;margin:0 0 8px;color:var(--text);font-family:Poppins,Inter;letter-spacing:-0.6px}
.hero .accent{color:var(--accent);margin:0 0 18px}
.lead{color:var(--muted);max-width:720px}

.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:40px}
.card{background:linear-gradient(180deg,var(--surface),rgba(0,0,0,0.02));padding:22px;border-radius:12px;box-shadow:0 8px 30px rgba(2,6,23,0.06);border:1px solid rgba(255,255,255,0.03)}
[data-theme="light"] .card{
  background:var(--card);
  box-shadow:0 6px 18px rgba(0,0,0,.05);
  border:1px solid rgba(0,0,0,.05);
}
[data-theme="light"] .cards{
  gap:18px;
}
[data-theme="light"] body{
  background:var(--bg);
}
[data-theme="light"] body{
  background:linear-gradient(180deg,var(--bg), #f3f5f9);
}
[data-theme="light"] .site-nav a{
  color: var(--text);
}
[data-theme="light"] .site-nav a:hover{
  background: rgba(0,0,0,.05);
  color: var(--text);
}
.card h3{margin:0 0 8px;color:var(--accent);font-size:15px}
.card p{color:var(--muted);font-size:13px}
.card .btn{margin-top:18px;background:linear-gradient(90deg,var(--accent),var(--accent-2));border:none;color:#fff;padding:10px 16px;border-radius:10px;cursor:pointer;box-shadow:0 8px 20px rgba(124,59,255,0.06)}
.card.featured{outline:2px solid rgba(124,59,255,0.12)}


.site-footer{
  padding:36px 0;
  text-align:center;
  color:var(--muted);
  border-top:1px solid rgba(0,0,0,.06);
  margin-top:60px;
}

/* Improved buttons and previews */
.btn{transition:transform .12s ease,box-shadow .12s ease,opacity .12s}
.btn:hover{transform:translateY(-3px);box-shadow:0 12px 26px rgba(124,59,255,0.12);opacity:0.98}

.file-info{font-size:13px;color:var(--muted)}
.preview{display:block;max-width:200px;max-height:160px;border-radius:8px;margin-top:12px;box-shadow:0 6px 18px rgba(0,0,0,0.6)}
.file-row{display:flex;align-items:center;gap:14px}
.progress{height:8px;background:rgba(255,255,255,0.06);border-radius:6px;overflow:hidden;margin-top:10px}
.progress > i{display:block;height:100%;background:linear-gradient(90deg,var(--accent),#9b59ff);width:0%}

/* Card hover effect */
.card:hover{transform:translateY(-6px);transition:transform .18s cubic-bezier(.2,.9,.3,1)}

/* Adjust hero spacing for clarity */
.hero{padding:56px 0}

/* Make input labels look nicer */
label{display:block;color:var(--muted);font-size:13px}

/* header actions (theme toggle) */
.header-actions{display:flex;align-items:center;gap:12px}
.theme-toggle{background:transparent;border:1px solid rgba(255,255,255,0.06);color:var(--text);padding:8px;border-radius:8px;cursor:pointer}
.theme-toggle:hover{background:var(--glass)}

/* small utility */
.muted{color:var(--muted)}

/* Tool page panel */
.tool-page .tool-panel{
  max-width:920px;margin:28px auto 0;padding:36px;border-radius:20px;background:linear-gradient(180deg,rgba(255,255,255,0.01),transparent);box-shadow:0 40px 90px rgba(2,6,23,0.6);border:1px solid rgba(255,255,255,0.02)
}
.tool-panel h2{margin:0 0 18px;color:var(--accent);text-align:center;font-size:20px}
.dropzone{
  position:relative;display:flex;align-items:center;justify-content:center;
  max-width:760px;width:88%;margin:14px auto;padding:34px 22px;min-height:160px;border-radius:14px;
  background:linear-gradient(180deg, rgba(255,255,255,0.01), rgba(0,0,0,0.02));
  box-shadow: inset 0 6px 18px rgba(0,0,0,0.35);
  border:3px dashed rgba(124,59,255,0.35);
}
.dropzone.dragover{border-color:var(--accent);box-shadow:0 8px 30px rgba(124,59,255,0.06);}
.dropzone p{margin:0;font-size:16px}
.dropzone input[type=file]{position:absolute;left:0;top:0;right:0;bottom:0;opacity:0;cursor:pointer;width:100%;height:100%;z-index:3}

.dropzone p{margin:0;font-size:16px;color:var(--muted)}
.dropzone .hint{display:block;margin-top:6px;color:rgba(124,59,255,0.9);font-weight:600}

/* Range styling */
input[type=range]{-webkit-appearance:none;width:280px;height:12px;background:transparent;vertical-align:middle;margin-left:12px;border-radius:12px}
input[type=range]::-webkit-slider-runnable-track{height:12px;background:rgba(255,255,255,0.06);border-radius:12px}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:18px;height:18px;border-radius:50%;background:#fff;border:5px solid var(--accent);margin-top:-3px;box-shadow:0 6px 18px rgba(124,59,255,0.12)}
input[type=range]:focus{outline:none}

.tool-controls{display:flex;align-items:center;justify-content:center;gap:24px;margin-top:18px}
.tool-controls .btn{padding:10px 18px;border-radius:999px;background:linear-gradient(90deg,var(--accent),var(--accent-2));border:none;color:#fff}

/* Large page title for tool pages */
.tool-hero{padding:48px 0 8px;text-align:center}
.tool-hero h1{font-size:48px;margin:0 0 8px}

@media (max-width:720px){
  .tool-panel{padding:18px}
  input[type=range]{width:160px}
  .preview{max-width:140px}
}

@media (max-width:420px){
  .dropzone{width:100%;padding:20px;min-height:120px}
  .tool-controls{flex-direction:column;gap:12px}
}

@media (max-width:900px){
  .cards{grid-template-columns:repeat(2,1fr)}
  .hero h1{font-size:36px}
}
@media (max-width:560px){
  .site-nav{display:none}
  .cards{grid-template-columns:1fr}
  .hero{padding:36px 0}
}
@media (max-width:640px){
  .site-footer{
    margin-top:80px;
    padding-bottom:50px;
  }
}
@media (max-width:640px){
  main{
    padding-bottom:20px;
  }
}

.ad-slot{
  margin:28px 0;
  display:flex;
  justify-content:center;
}

.ad-box{
  width:100%;
  max-width:728px;
  min-height:90px;
  background:linear-gradient(180deg,var(--surface),transparent);
  border:1px dashed rgba(124,59,255,.25);
  border-radius:12px;
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--muted);
  font-size:13px;
}

.btn{
  background: var(--primary);
  color:#fff;
  border:none;
  padding:10px 18px;
  border-radius:999px;
  cursor:pointer;
  font-weight:600;
  transition:.2s;
}

.btn:hover{
  transform:translateY(-1px);
  opacity:.9;
}