@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --primary:#14B8A6;--primary-light:#2DD4BF;--primary-glow:rgba(20,184,166,.2);
  --accent:#E11D48;--yellow:#F59E0B;--green:#22C55E;
  --bg:#0A1A18;--bg2:#14302C;--bg-card:rgba(20,48,44,.8);
  --text:#F1F5F9;--text2:#94A3B8;--text3:#64748B;
  --border:rgba(148,163,184,.1);--radius:12px;--radius-sm:8px;
  --font:'Inter',system-ui,sans-serif;--mono:'JetBrains Mono',monospace;
  --tr:.25s ease;
}
body{font-family:var(--font);background:var(--bg);color:var(--text);min-height:100vh}
body::before{content:'';position:fixed;inset:0;background:radial-gradient(ellipse at 50% 0%,rgba(20,184,166,.05) 0%,transparent 50%);pointer-events:none}
.app{position:relative;z-index:1;max-width:900px;margin:0 auto;padding:24px 20px 60px}
.hdr{text-align:center;padding:40px 0 24px}
.hdr__icon{display:inline-flex;align-items:center;justify-content:center;width:64px;height:64px;border-radius:var(--radius);background:linear-gradient(135deg,var(--primary),#0D9488);font-size:32px;margin-bottom:16px;box-shadow:0 8px 30px var(--primary-glow);animation:fl 3s ease-in-out infinite}
@keyframes fl{0%,100%{transform:translateY(0)}50%{transform:translateY(-5px)}}
.hdr h1{font-size:2rem;font-weight:800;background:linear-gradient(135deg,var(--text),var(--primary-light));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hdr p{color:var(--text2);font-size:.95rem;margin:8px auto 0}
.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;backdrop-filter:blur(16px);margin-bottom:16px}
.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;flex-wrap:wrap;gap:8px}
.card-title{font-size:.9rem;font-weight:700;margin-bottom:10px}
.select{padding:8px 12px;font-family:var(--font);font-size:.82rem;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);outline:none}
.btn{padding:9px 16px;font-family:var(--font);font-size:.82rem;font-weight:600;border:none;border-radius:var(--radius-sm);cursor:pointer;transition:var(--tr)}
.btn-sm{padding:6px 12px;font-size:.75rem}
.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:#0D9488}
.btn-outline{background:transparent;color:var(--text2);border:1px solid var(--border)}.btn-outline:hover{border-color:var(--primary);color:var(--primary)}
.code-area{width:100%;padding:14px;font-family:var(--mono);font-size:.78rem;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);outline:none;resize:vertical;line-height:1.6;white-space:pre;overflow-x:auto;tab-size:2}
.output-area{margin:0;color:var(--primary-light);min-height:120px;max-height:400px;overflow-y:auto}
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:.78rem}
th{position:sticky;top:0;background:var(--bg2);font-weight:600;padding:8px 10px;text-align:left;border-bottom:1px solid var(--border);color:var(--primary-light)}
td{padding:6px 10px;border-bottom:1px solid var(--border);color:var(--text2)}
tr:hover td{background:rgba(20,184,166,.05)}
.badge{display:inline-block;font-size:.68rem;padding:2px 6px;border-radius:4px;font-weight:600}
.badge-req{background:rgba(225,29,72,.1);color:var(--accent)}
.badge-opt{background:rgba(34,197,94,.1);color:var(--green)}
.badge-type{background:rgba(20,184,166,.1);color:var(--primary-light);font-family:var(--mono)}
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(80px);padding:10px 20px;background:var(--bg2);border:1px solid var(--primary);border-radius:var(--radius-sm);color:var(--text);font-size:.85rem;font-weight:500;z-index:1000;opacity:0;transition:all .3s ease;pointer-events:none}
.toast.visible{opacity:1;transform:translateX(-50%) translateY(0)}
@media(max-width:640px){.card-header{flex-direction:column;align-items:flex-start}.app{padding:16px 12px 48px}.hdr h1{font-size:1.5rem}}
::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--bg)}::-webkit-scrollbar-thumb{background:var(--bg2);border-radius:3px}
::selection{background:var(--primary);color:var(--bg)}