/* Vector Doctor — style.css (advanced) */
:root{
  --bg:#0f1216;
  --panel:#161b22;
  --border:#262c36;
  --text:#e6ebf2;
  --muted:#a3adbb;
  --accent:#6aa6ff;
  --accent-2:#8ef0c5;
  --danger:#ff6b6b;
  --shadow: 0 8px 24px rgba(0,0,0,0.35);
  --radius: 16px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:Inter,system-ui,Segoe UI,Roboto,Arial,sans-serif;
  line-height:1.45;
}

.topbar{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:14px 18px;border-bottom:1px solid var(--border);
  position:sticky;top:0;background:linear-gradient(#0f1216, #0f1216cc);
  backdrop-filter:saturate(1.1) blur(6px); z-index:10;
}
.brand{display:flex;align-items:center;gap:12px}
.brand .logo{width:28px;height:28px;display:grid;place-items:center;font-size:20px}
h1{font-size:20px;margin:0;font-family:"JetBrains Mono", monospace;letter-spacing:0.2px}

.top-actions{display:flex;gap:8px;align-items:center}

.container{
  max-width:1200px;margin:18px auto;padding:0 16px;
  display:grid;grid-template-columns: minmax(280px, 420px) 1fr; gap:18px;
}
.panel{
  background:var(--panel);border:1px solid var(--border);
  border-radius:var(--radius); padding:16px; box-shadow:var(--shadow);
}
.controls h2, .preview h2{margin:0 0 8px}
.group{margin:14px 0 18px}
.group h3{margin:0 0 10px;font-size:14px;color:var(--muted)}
.label{display:block;font-size:13px;margin-bottom:6px;color:var(--muted)}
.meta{color:var(--muted)}
.small{font-size:12px}
.tiny{font-size:11px;color:var(--muted)}
.muted{color:var(--muted)}
.sep{opacity:.5;margin:0 8px}

.grid.two{display:grid;grid-template-columns:1fr 1fr; gap:10px}
.row{display:flex;align-items:center;gap:10px}
.wrap{flex-wrap:wrap}
.gap{gap:8px}

input[type="file"], input[type="number"], input[type="color"]{
  width:100%;padding:10px 12px;border-radius:10px;border:1px solid var(--border);
  background:#0c0f13;color:var(--text);outline:none;
}
input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}

.checkbox{display:flex;align-items:center;gap:8px;cursor:pointer}
.checkbox input{width:16px;height:16px}

.btn{
  padding:10px 14px;border-radius:999px;border:1px solid var(--border);
  background:#0c0f13;color:var(--text);cursor:pointer;
  transition:.15s transform ease,.15s background ease,.15s border-color ease;
}
.btn:hover{transform:translateY(-1px);border-color:#2f3642}
.btn:active{transform:translateY(0)}
.btn.primary{background:linear-gradient(90deg,var(--accent),var(--accent-2));color:#05121a;border-color:transparent}
.btn.ghost{background:transparent}
.btn.link{background:transparent;text-decoration:none;display:inline-flex;align-items:center}

.dropzone{
  margin-top:10px;border:2px dashed #2a2f3a;border-radius:12px;padding:24px; text-align:center;
  color:var(--muted); background:#0d1117; cursor:pointer;
}
.dropzone.drag{border-color:var(--accent); color:#d7e6ff; box-shadow: 0 0 0 3px rgba(106,166,255,.2) inset;}

.preview-header{display:flex;align-items:center;gap:12px;justify-content:space-between;margin-bottom:10px}
.spinner{width:18px;height:18px;border:2px solid #2b313d;border-top-color:var(--accent);border-radius:50%;animation:spin .9s linear infinite}
.spinner.hidden{display:none}
@keyframes spin{to{transform:rotate(360deg)}}

.tabs{display:flex;gap:8px;margin:6px 0}
.tab{
  padding:8px 12px;border-radius:999px;background:#0c0f13;border:1px solid var(--border);color:var(--text);cursor:pointer
}
.tab.active{background:#121722;border-color:#374151}

.tabpanes{min-height:300px}
.tabpane{display:none}
.tabpane.active{display:block}

.canvas, .svgbox{
  width:100%;min-height:300px;border-radius:12px;border:1px dashed #2a2f3a; background:#0d1117;
  display:block;
}
.svgbox svg{width:100%;height:auto;display:block}

.footer{max-width:1200px;margin:24px auto 40px;padding:0 16px;text-align:center;color:var(--muted)}

.fit-actions{display:flex;align-items:flex-end;justify-content:flex-end}
.status{margin-top:8px;color:var(--muted)}
@media (max-width: 960px){
  .container{grid-template-columns: 1fr}
}