:root{
  --bg:#f6f8fb;
  --surface:#ffffff;
  --text:#111827;
  --muted:#6b7280;
  --border:#e5e7eb;
  --accent:#1e66f5;
  --accent-ghost: rgba(30,102,245,.12);
}

*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font-family:system-ui,Segoe UI,Roboto,Arial;background:var(--bg);color:var(--text)}

.topbar{
  position:sticky;top:0;z-index:10;
  display:flex;align-items:center;gap:16px;
  padding:12px 16px;border-bottom:1px solid var(--border);background:var(--surface);
}
.brand{font-weight:800;font-size:20px}
.brand span{color:var(--accent)}
.nav{display:flex;gap:8px}
.nav button{
  background:var(--surface);border:1px solid var(--border);color:var(--text);
  padding:8px 12px;border-radius:10px;cursor:pointer
}
.nav button.active{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-ghost)}
.right{margin-left:auto;display:flex;gap:8px;align-items:center}
#moduleSelect{
  border:1px solid var(--border);border-radius:10px;background:var(--surface);padding:8px 10px;color:var(--text)
}
.userchip{
  border:1px solid var(--border);border-radius:999px;padding:8px 12px;background:var(--surface);
  font-weight:700
}

main{max-width:860px;margin:24px auto;padding:0 16px}
.card{
  background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:20px;margin-bottom:16px
}
.badge{display:inline-block;border:1px solid var(--border);background:#fff;padding:4px 8px;border-radius:8px;color:var(--muted);margin-bottom:8px}
.small{color:var(--muted);font-size:12px}
.controls{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.controls button{
  padding:10px 12px;border-radius:10px;border:1px solid var(--border);background:var(--surface);cursor:pointer
}
.controls button.ok{border-color:#22c55e}
.controls button.again{border-color:#ef4444}
ul.choices{list-style:none;padding:0;margin:12px 0}
ul.choices li{margin:6px 0}
ul.choices button{width:100%}

.table{width:100%;border-collapse:collapse}
.table th,.table td{border:1px solid var(--border);padding:8px;text-align:left}
.table th{background:#fafafa}

footer{opacity:.7;text-align:center;padding:24px}

/* Modal */
.modal{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.3)}
.modal.hidden{display:none}
.modal-card{width:min(520px,90vw);background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:16px}
.list{margin:8px 0 12px;padding:0;list-style:none;max-height:40vh;overflow:auto}
.list li{display:flex;align-items:center;justify-content:space-between;border:1px solid var(--border);border-radius:10px;padding:8px 10px;margin:6px 0}
.row{display:flex;gap:8px;align-items:center;margin-top:8px}
.row.end{justify-content:flex-end}
input[type="text"]{border:1px solid var(--border);border-radius:10px;padding:8px 10px;background:#fff}
.btn-warn{border-color:#ef4444;color:#ef4444}