:root{
  --bg: #1c1a17;
  --bg-panel: #24211d;
  --paper: #f2ede2;
  --paper-dim: #cabf9a;
  --mustard: #d6a13c;
  --teal: #3f7e78;
  --rust: #b5502e;
  --line: #3a3530;
  --mono: 'JetBrains Mono', 'Fira Code', ui-monospace, SFMono-Regular, Consolas, monospace;
  --serif: Georgia, 'Iowan Old Style', 'Palatino Linotype', serif;
}
html{
  /* solid dark base so overscroll / rubber-banding never shows white */
  background-color: #1c1a17;
  overscroll-behavior: none;
}
*{box-sizing:border-box;}
body{
  margin:0;
  background:
    radial-gradient(ellipse at top left, #262219 0%, #1c1a17 55%),
    #1c1a17;
  background-attachment: fixed;
  background-color: #1c1a17;
  color:var(--paper);
  font-family:var(--mono);
  min-height:100vh;
  overscroll-behavior: none;
  padding:32px 20px 80px;
}
.wrap{max-width:820px;margin:0 auto;}

header{
  border-bottom:1px solid var(--line);
  padding-bottom:18px;
  margin-bottom:14px;
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap:16px;
  flex-wrap:wrap;
}
.brand{
  font-family:var(--serif);
  font-size:2.1rem;
  letter-spacing:0.5px;
  color:var(--paper);
  font-style:italic;
  text-decoration:none;
}
.brand span{color:var(--mustard);font-style:normal;}
.tagline{
  font-size:0.75rem;
  color:var(--paper-dim);
  letter-spacing:0.08em;
  text-transform:uppercase;
  max-width:280px;
  text-align:right;
  line-height:1.5;
}

.catnav{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:26px;}
.catnav a{
  font-size:0.68rem;letter-spacing:0.06em;text-transform:uppercase;color:var(--paper-dim);
  text-decoration:none;border:1px solid var(--line);padding:5px 10px;border-radius:20px;
  transition:all .12s ease;
}
.catnav a:hover{border-color:var(--mustard);color:var(--mustard);}

.hero-copy{margin-bottom:24px;}
.hero-copy h1{
  font-family:var(--serif);
  font-size:1.5rem;
  font-weight:normal;
  font-style:italic;
  color:var(--paper);
  margin:0 0 10px;
  line-height:1.35;
}
.hero-copy p{
  font-size:0.82rem;
  color:var(--paper-dim);
  line-height:1.7;
  max-width:640px;
  margin:0 0 8px;
}

.panel{
  background:var(--bg-panel);border:1px solid var(--line);border-radius:2px;
  padding:26px;margin-bottom:22px;position:relative;
}
.panel-label{
  position:absolute;top:-10px;left:20px;background:var(--bg);padding:0 8px;
  font-size:0.68rem;letter-spacing:0.1em;text-transform:uppercase;color:var(--mustard);
}

.drop{
  border:1.5px dashed var(--line);border-radius:2px;padding:40px 20px;text-align:center;
  cursor:pointer;transition:border-color .15s ease, background .15s ease;
}
.drop.drag{border-color:var(--mustard);background:rgba(214,161,60,0.06);}
.drop svg{opacity:0.5;margin-bottom:10px;}
.drop-main{font-size:0.95rem;color:var(--paper);margin-bottom:4px;}
.drop-sub{font-size:0.72rem;color:var(--paper-dim);}
input[type=file]{display:none;}

.filecard{
  display:flex;align-items:center;gap:14px;padding:14px 16px;
  background:rgba(0,0,0,0.2);border:1px solid var(--line);border-radius:2px;
}
.filecard .icon{
  width:36px;height:36px;flex:none;background:var(--mustard);color:#1c1a17;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:0.65rem;border-radius:2px;
}
.filecard .meta{flex:1;min-width:0;}
.filecard .name{font-size:0.85rem;color:var(--paper);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.filecard .size{font-size:0.7rem;color:var(--paper-dim);margin-top:2px;}
.filecard .clear{background:none;border:none;color:var(--paper-dim);cursor:pointer;font-size:1.1rem;padding:4px 8px;}
.filecard .clear:hover{color:var(--rust);}

.cat-block{margin-bottom:26px;scroll-margin-top:20px;}
.cat-block:last-child{margin-bottom:0;}
.section-title{
  font-size:0.68rem;letter-spacing:0.1em;text-transform:uppercase;
  color:var(--mustard);margin:0 0 10px;display:flex;align-items:center;gap:8px;
}
.section-title::after{content:"";flex:1;height:1px;background:var(--line);}

.op-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px;}
.op-btn{
  background:transparent;border:1px solid var(--line);color:var(--paper-dim);
  padding:11px 10px;border-radius:2px;cursor:pointer;font-family:var(--mono);
  font-size:0.76rem;text-align:left;transition:all .12s ease;
}
.op-btn:hover{border-color:var(--paper-dim);color:var(--paper);}
.op-btn.active{border-color:var(--mustard);color:var(--mustard);background:rgba(214,161,60,0.07);}
.op-btn .op-name{display:block;font-weight:600;}
.op-btn .op-desc{display:block;font-size:0.64rem;margin-top:3px;opacity:0.75;}

.params{margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);display:none;}
.params.show{display:block;}
.field-row{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:12px;}
.field{flex:1;min-width:130px;}
.field label{
  display:block;font-size:0.66rem;color:var(--paper-dim);
  text-transform:uppercase;letter-spacing:0.05em;margin-bottom:6px;
}
select, input[type=text], input[type=number]{
  width:100%;background:var(--bg);border:1px solid var(--line);color:var(--paper);
  padding:9px 10px;font-family:var(--mono);font-size:0.8rem;border-radius:2px;
}
select:focus, input:focus{outline:1px solid var(--mustard);border-color:var(--mustard);}
input[type=range]{width:100%;accent-color:var(--mustard);}
.range-val{font-size:0.7rem;color:var(--mustard);margin-top:4px;}
.hint{font-size:0.66rem;color:var(--paper-dim);margin-top:-4px;margin-bottom:10px;line-height:1.5;}
.mini-drop{
  border:1px dashed var(--line);border-radius:2px;padding:14px;text-align:center;
  cursor:pointer;font-size:0.72rem;color:var(--paper-dim);margin-bottom:12px;
}
.mini-drop:hover{border-color:var(--mustard);color:var(--mustard);}
.mini-drop.filled{border-color:var(--teal);color:var(--teal);}

.run-bar{display:flex;align-items:center;gap:14px;margin-top:26px;flex-wrap:wrap;}
.run-btn{
  background:var(--mustard);color:#1c1a17;border:none;padding:13px 26px;
  font-family:var(--mono);font-weight:700;font-size:0.85rem;letter-spacing:0.03em;
  border-radius:2px;cursor:pointer;transition:filter .12s ease;
}
.run-btn:hover{filter:brightness(1.1);}
.run-btn:disabled{background:var(--line);color:var(--paper-dim);cursor:not-allowed;}
.status{font-size:0.75rem;color:var(--paper-dim);}
.status.err{color:var(--rust);}
.status.ok{color:var(--teal);}

.reel{margin-top:18px;height:6px;background:var(--bg);border:1px solid var(--line);border-radius:3px;overflow:hidden;display:none;}
.reel.show{display:block;}
.reel-fill{
  height:100%;width:0%;
  background:repeating-linear-gradient(45deg, var(--mustard), var(--mustard) 6px, #b5822c 6px, #b5822c 12px);
  transition:width .2s ease;
}
.log{margin-top:10px;font-size:0.66rem;color:var(--paper-dim);max-height:70px;overflow-y:auto;white-space:pre-wrap;line-height:1.5;}
.result{margin-top:20px;padding:18px;background:rgba(63,126,120,0.08);border:1px solid var(--teal);border-radius:2px;display:none;}
.result.show{display:block;}
.result-title{color:var(--teal);font-size:0.78rem;margin-bottom:10px;font-weight:600;}
.dl-btn{
  display:inline-block;background:var(--teal);color:#0f1e1c;padding:10px 20px;
  text-decoration:none;border-radius:2px;font-size:0.8rem;font-weight:700;
}
.dl-btn:hover{filter:brightness(1.1);}

.related{margin-top:36px;padding-top:20px;border-top:1px solid var(--line);}
.related h2{font-size:0.68rem;letter-spacing:0.1em;text-transform:uppercase;color:var(--mustard);margin:0 0 12px;font-weight:normal;}
.related ul{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:8px;}
.related a{
  font-size:0.75rem;color:var(--paper-dim);text-decoration:none;border:1px solid var(--line);
  padding:8px 12px;border-radius:2px;display:inline-block;transition:all .12s ease;
}
.related a:hover{border-color:var(--mustard);color:var(--mustard);}

footer{text-align:center;font-size:0.68rem;color:var(--paper-dim);margin-top:40px;opacity:0.7;}
footer a{color:var(--paper-dim);}
.privacy-note{display:flex;align-items:center;gap:8px;font-size:0.7rem;color:var(--paper-dim);margin-bottom:18px;}
.privacy-dot{width:6px;height:6px;border-radius:50%;background:var(--teal);flex:none;}

/* ---- UX additions: locked tools, size warning, preview ---- */
.op-btn.locked{
  opacity:0.32;
  cursor:not-allowed;
  filter:grayscale(0.6);
}
.op-btn.locked:hover{border-color:var(--line);color:var(--paper-dim);}

.size-warn{
  display:none;
  margin:14px 0 4px;
  padding:11px 14px;
  border:1px solid var(--rust);
  border-left-width:3px;
  border-radius:2px;
  background:rgba(181,80,46,0.08);
  color:#e0a48c;
  font-size:0.72rem;
  line-height:1.55;
}

.preview-wrap{
  display:none;
  gap:16px;
  margin-top:18px;
  flex-wrap:wrap;
}
.preview-col{flex:1;min-width:220px;}
.preview-col h4{
  font-size:0.64rem;letter-spacing:0.1em;text-transform:uppercase;
  color:var(--paper-dim);margin:0 0 8px;font-weight:normal;
}
.preview-media{
  width:100%;
  max-height:280px;
  border:1px solid var(--line);
  border-radius:2px;
  background:#000;
  display:block;
}
.preview-col img.preview-media{object-fit:contain;}
.preview-col audio.preview-media{background:var(--bg-panel);height:44px;max-height:44px;}

.result .out-size{
  font-size:0.7rem;color:var(--paper-dim);margin-left:10px;
}

/* gentle fade for status + result */
.result{transition:opacity .2s ease;}
.status{transition:color .15s ease;}

@media (max-width:560px){
  body{padding:20px 14px 60px;}
  .op-grid{grid-template-columns:1fr 1fr;}
  header{flex-direction:column;align-items:flex-start;}
  .tagline{text-align:left;}
  .preview-col{min-width:100%;}
}

/* ---- deeper mobile refinements ---- */
@media (max-width:560px){
  /* smaller, tighter drop zone — nobody drags on a phone */
  .drop{padding:26px 16px;}
  .drop svg{width:24px;height:24px;margin-bottom:6px;}
  .drop-main{font-size:0.9rem;}

  /* full-width, thumb-friendly run button */
  .run-bar{flex-direction:column;align-items:stretch;gap:10px;}
  .run-btn{width:100%;padding:15px;font-size:0.9rem;}
  .run-bar .status{text-align:center;}

  /* bigger touch targets for tool buttons */
  .op-btn{padding:14px 12px;}

  /* category pills scroll horizontally instead of wrapping messily */
  .catnav{
    flex-wrap:nowrap;
    overflow-x:auto;
    -webkit-overflow-scrolling:touch;
    padding-bottom:4px;
    scrollbar-width:none;
  }
  .catnav::-webkit-scrollbar{display:none;}
  .catnav a{flex:none;}

  /* download button full width, easier to hit */
  .dl-btn{display:block;text-align:center;padding:14px;}

  /* panels a touch tighter */
  .panel{padding:20px 16px;}

  /* hero text slightly smaller so it doesn't dominate */
  .hero-copy h1{font-size:1.25rem;}
  .brand{font-size:1.8rem;}
}

/* mobile-specific, stronger size warning styling */
.size-warn.mobile-strict{
  border-color:var(--mustard);
  background:rgba(214,161,60,0.1);
  color:var(--mustard);
}