:root{--bg: #f7fafc;--surface: #ffffff;--muted: #94a3b8;--text: #0f172a;--primary: #0ea5e9;--primary-600: #0891b2;--accent: #7c3aed;--success: #10b981;--danger: #ef4444;--card-radius: 12px;--shadow-sm: 0 1px 2px rgba(2,6,23,.06);--shadow-md: 0 8px 20px rgba(2,6,23,.08);--container-width: 1100px;--gap: 1rem}@font-face{font-family:InterVarLocal;src:local("Inter"),local("Inter var");font-display:swap}body{margin:0;padding:0;font-family:InterVarLocal,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;color:var(--text);background-color:var(--bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.5}*{box-sizing:border-box}.container{max-width:var(--container-width);margin:0 auto;padding:0 1.25rem}.app-header{background:linear-gradient(90deg,#0ea5e90f,#7c3aed0a);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);border-bottom:1px solid rgba(15,23,42,.03);position:sticky;top:0;z-index:800}.app-header .header-inner{display:flex;align-items:center;justify-content:space-between;padding:.75rem 1.25rem;max-width:var(--container-width);margin:0 auto}.logo{font-weight:700;color:var(--primary);font-size:1.1rem;letter-spacing:.3px}.nav{display:flex;gap:.5rem;align-items:center}.nav a{color:var(--muted);text-decoration:none;padding:.45rem .6rem;border-radius:8px;transition:all .15s}.nav a.active,.nav a:hover{color:var(--text);background:#02061708}.card{background:var(--surface);border-radius:var(--card-radius);padding:1rem;box-shadow:var(--shadow-sm);border:1px solid rgba(2,6,23,.04);transition:transform .12s ease,box-shadow .12s ease}.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.5rem .85rem;border-radius:10px;border:none;cursor:pointer;font-weight:600;font-size:.95rem;transition:all .12s}.btn:focus{outline:none;box-shadow:0 0 0 4px #0ea5e91f}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-600)}.btn-ghost{background:transparent;border:1px solid rgba(2,6,23,.04);color:var(--text)}input,select,textarea{padding:.6rem .75rem;border:1px solid rgba(2,6,23,.06);border-radius:10px;background:transparent;font-size:1rem}input:focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 6px 18px #0206170f}.license-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:var(--gap);margin:2rem 0 4rem}.license-card{padding:1rem;border-radius:12px}.license-key code{background:transparent;border:none;padding:0;color:var(--text);font-weight:700}.btn-copy,.btn-download{border-radius:8px;padding:.35rem .5rem}@media(max-width:640px){.container{padding:0 .75rem}.app-header .header-inner{padding:.5rem .75rem}}.text-muted{color:var(--muted)}.small{font-size:.85rem;color:var(--muted)}