*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --primary:#737373;--primary-dim:rgba(115,115,115,.12);
  --secondary:#A3A3A3;--accent:#3B82F6;--accent-dim:rgba(59,130,246,.12);
  --bg:#0A0A0A;--surface:#141414;--surface2:#1E1E1E;
  --border:rgba(115,115,115,.15);--text:#FAFAFA;--text-dim:#A3A3A3;
  --radius:12px;--font:'Inter',system-ui,sans-serif;--mono:'Fira Code',monospace;
  --transition:250ms ease;
}
html{font-size:16px}
body{background:var(--bg);color:var(--text);font-family:var(--font);min-height:100vh}
.header{position:sticky;top:0;z-index:100;backdrop-filter:blur(16px);background:rgba(10,10,10,.8);border-bottom:1px solid var(--border)}
.header-inner{max-width:1000px;margin:0 auto;padding:.75rem 1.5rem;display:flex;align-items:center}
.logo{display:flex;align-items:center;gap:.5rem}
.logo-icon{font-size:1.25rem}
.logo h1{font-size:1.1rem;font-weight:700;background:linear-gradient(135deg,var(--primary),var(--secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.btn{display:inline-flex;align-items:center;gap:.3rem;padding:.45rem .85rem;border:none;border-radius:8px;font-size:.8rem;font-weight:600;cursor:pointer;transition:all var(--transition);font-family:var(--font)}
.btn-primary{background:linear-gradient(135deg,var(--accent),#60A5FA);color:#fff}
.btn-primary:hover{filter:brightness(1.15);transform:translateY(-1px)}
.btn-sm{background:var(--surface2);color:var(--text-dim);border:1px solid var(--border)}
.btn-sm:hover{border-color:var(--accent);color:var(--accent)}
.main{max-width:1000px;margin:0 auto;padding:1.5rem}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem}
.glass-card{background:rgba(20,20,20,.6);backdrop-filter:blur(12px);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem}
.section-title{font-size:.9rem;font-weight:700;margin-bottom:.75rem;display:flex;align-items:center;gap:.5rem}
.section-title::before{content:'';width:4px;height:18px;background:linear-gradient(to bottom,var(--accent),#60A5FA);border-radius:2px}
.sub-title{font-size:.75rem;font-weight:700;color:var(--accent);margin:.75rem 0 .5rem;text-transform:uppercase;letter-spacing:.5px}
.form-group{display:flex;flex-direction:column;gap:.3rem;margin-bottom:.6rem}
.form-group input,.form-group textarea,.form-group select{background:var(--surface2);border:1px solid var(--border);border-radius:8px;padding:.5rem;color:var(--text);font-family:var(--font);font-size:.8rem;outline:none;resize:vertical}
.form-group input[type="color"]{height:36px;padding:2px;cursor:pointer}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{border-color:var(--accent)}
.ctrl-label{font-size:.65rem;font-weight:600;color:var(--text-dim);text-transform:uppercase;letter-spacing:.5px}
.category-row{margin-bottom:.3rem;font-size:.8rem;color:var(--text-dim)}
.category-row input[type="checkbox"]{margin-right:.4rem}
.preview-frame{background:var(--surface);border:1px solid var(--border);border-radius:8px;min-height:120px;position:relative;overflow:hidden}
.code-output{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:.6rem;font-family:var(--mono);font-size:.65rem;color:var(--accent);max-height:300px;overflow-y:auto;white-space:pre-wrap;word-break:break-all}
.actions-row{display:flex;gap:.5rem}
/* Preview banner styles */
.cb-banner{position:absolute;left:0;right:0;padding:.75rem 1rem;font-family:var(--font);font-size:.75rem;display:flex;align-items:center;gap:.5rem;flex-wrap:wrap}
.cb-banner.bottom{bottom:0}.cb-banner.top{top:0}
.cb-banner.center{top:50%;left:50%;right:auto;transform:translate(-50%,-50%);width:90%;border-radius:8px}
.cb-msg{flex:1;min-width:200px;color:#fff}
.cb-btns{display:flex;gap:.3rem;flex-wrap:wrap}
.cb-btn{padding:.3rem .6rem;border:none;border-radius:6px;font-size:.7rem;font-weight:600;cursor:pointer;font-family:var(--font)}
.toast{position:fixed;bottom:2rem;left:50%;transform:translateX(-50%) translateY(100px);background:var(--surface2);color:var(--text);padding:.6rem 1.25rem;border-radius:var(--radius);font-size:.8rem;font-weight:500;border:1px solid var(--accent);box-shadow:0 8px 32px rgba(0,0,0,.4);transition:transform 300ms ease;z-index:9999;pointer-events:none}
.toast.show{transform:translateX(-50%) translateY(0)}
@media(max-width:700px){.two-col{grid-template-columns:1fr}.main{padding:1rem}}