*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --primary:#4A90E2;--primary-dim:rgba(74,144,226,.12);
  --secondary:#50E3C2;--accent:#7B61FF;
  --bg:#0B0F18;--surface:#111827;--surface2:#1A2235;
  --border:rgba(74,144,226,.1);--text:#F1F5F9;--text-dim:#94A3B8;
  --radius:12px;--font:'Inter',system-ui,sans-serif;--mono:'Fira Code',monospace;
  --transition:250ms ease;
}
html{font-size:16px;scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--font);line-height:1.6;min-height:100vh}
.header{position:sticky;top:0;z-index:100;backdrop-filter:blur(16px);background:rgba(11,15,24,.8);border-bottom:1px solid var(--border)}
.header-inner{max-width:1200px;margin:0 auto;padding:.75rem 1.5rem;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:.75rem}
.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}
.header-right{display:flex;gap:.5rem}
.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(--primary),var(--secondary));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(--primary);color:var(--primary)}
.main{max-width:1200px;margin:0 auto;padding:1.5rem}
.split{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem}
.panel{min-height:400px}
.glass-card{background:rgba(17,24,39,.6);backdrop-filter:blur(12px);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem}
.section-title{font-size:.95rem;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(--primary),var(--secondary));border-radius:2px}
.panel-header{display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;gap:.5rem;margin-bottom:.5rem}
.gen-controls{display:flex;align-items:center;gap:.5rem}
.ctrl-label{font-size:.7rem;font-weight:600;color:var(--text-dim);text-transform:uppercase}
input[type="number"]{width:55px;background:var(--surface2);border:1px solid var(--border);border-radius:6px;padding:.35rem .5rem;color:var(--text);font-family:var(--font);font-size:.8rem;outline:none;text-align:center}
input[type="number"]:focus{border-color:var(--primary)}
textarea{width:100%;height:calc(100% - 50px);min-height:300px;background:var(--surface2);border:1px solid var(--border);border-radius:8px;padding:.75rem;color:var(--secondary);font-family:var(--mono);font-size:.78rem;outline:none;resize:vertical;transition:border-color var(--transition);tab-size:2}
textarea:focus{border-color:var(--primary)}
.output-pre{background:var(--surface2);border:1px solid var(--border);border-radius:8px;padding:.75rem;overflow:auto;max-height:500px;min-height:300px;font-size:.78rem;line-height:1.6;color:var(--secondary)}
.output-pre code{font-family:var(--mono)}
.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(--primary);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:768px){.split{grid-template-columns:1fr}.main{padding:1rem}}