/* InvoiceHub - skin "outil de documents". Theme CyberArena conserve. */
:root{--bg:#050816;--primary:#00e5ff;--secondary:#8b5cf6;
  --text:#f8fafc;--muted:#94a3b8;--border:rgba(148,163,184,.22);--shadow:0 24px 80px rgba(0,0,0,.55)}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:Inter,system-ui,"Segoe UI",sans-serif;min-height:100vh;color:var(--text);
  background:radial-gradient(circle at top left,rgba(0,229,255,.16),transparent 34%),
             radial-gradient(circle at bottom right,rgba(139,92,246,.22),transparent 36%),var(--bg)}
.background-grid{position:fixed;inset:0;z-index:-1;
  background-image:linear-gradient(rgba(148,163,184,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(148,163,184,.06) 1px,transparent 1px);
  background-size:42px 42px;mask-image:linear-gradient(to bottom,black,transparent 85%)}
.page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:32px 18px}
.card{width:100%;max-width:600px;background:rgba(12,18,38,.92);border:1px solid var(--border);
  border-radius:22px;box-shadow:var(--shadow);padding:28px}
.brand{display:flex;align-items:center;gap:12px;margin-bottom:20px}
.logo-image-wrap{width:46px;height:46px;border-radius:13px;display:flex;align-items:center;justify-content:center;overflow:hidden;
  background:radial-gradient(circle at top,rgba(151,71,255,.35),transparent 60%),rgba(10,8,24,.92);
  border:1px solid rgba(151,71,255,.45);box-shadow:0 0 18px rgba(151,71,255,.35)}
.logo-image{width:86%;height:86%;object-fit:contain}
.brand h1{font-size:1.15rem;letter-spacing:-.03em}.brand p{color:var(--muted);font-size:.8rem;margin-top:2px}
/* fenetre "document" */
.doc{border:1px solid var(--border);border-radius:14px;overflow:hidden;background:rgba(2,6,23,.5)}
.doc-bar{display:flex;align-items:center;gap:12px;padding:10px 14px;background:rgba(0,229,255,.05);border-bottom:1px solid var(--border)}
.dots{display:flex;gap:6px}.dots i{width:11px;height:11px;border-radius:50%;display:block}
.dots i:nth-child(1){background:#ff5f57}.dots i:nth-child(2){background:#febc2e}.dots i:nth-child(3){background:#28c840}
.doc-name{color:var(--muted);font-size:.8rem;font-family:"Cascadia Code",Consolas,monospace}
textarea{width:100%;min-height:200px;background:transparent;border:none;color:#cfe9ff;padding:16px;outline:none;resize:vertical;
  font-family:"Cascadia Code",Consolas,monospace;font-size:.85rem;line-height:1.5}
.btn{margin-top:16px;border:none;cursor:pointer;border-radius:12px;padding:13px 24px;font-weight:800;color:#020617;
  background:linear-gradient(135deg,var(--primary),var(--secondary));box-shadow:0 12px 32px rgba(0,229,255,.22)}
.btn:hover{filter:brightness(1.07)}
.result-title{font-size:.74rem;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);margin:22px 0 8px;font-weight:700}
#out{padding:14px;border-radius:12px;background:#020617;border:1px solid var(--border);
  color:#9af5c9;font-family:"Cascadia Code",Consolas,monospace;font-size:.82rem;white-space:pre-wrap;word-break:break-all}