:root{
  --bg:#0c1116; --card:#141b22; --line:#232d38; --text:#e8edf2; --muted:#93a1b0;
  --accent:#3ddc97; --accent2:#2bb9ff; --warn:#ffb020; --danger:#ff5c5c;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
.wrap{max-width:760px;margin:0 auto;padding:24px 18px 60px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px;margin-bottom:16px}
h1{font-size:1.5rem;margin:0 0 6px}
h2{font-size:1.15rem;margin:0 0 10px}
p.muted{color:var(--muted);margin:4px 0 0}
.btn{display:inline-block;background:var(--accent);color:#06110b;font-weight:700;border:none;border-radius:10px;padding:12px 18px;text-decoration:none;cursor:pointer;font-size:1rem}
.btn.secondary{background:transparent;color:var(--text);border:1px solid var(--line)}
.btn:disabled{opacity:.4;cursor:not-allowed}
input[type=text],input[type=password]{width:100%;padding:12px;border-radius:10px;border:1px solid var(--line);background:#0f151b;color:var(--text);font-size:1rem;margin:6px 0 14px}
label{font-size:.9rem;color:var(--muted)}
.err{background:rgba(255,92,92,.12);border:1px solid var(--danger);color:#ffb3b3;padding:10px 14px;border-radius:10px;margin-bottom:14px;font-size:.92rem}
.ok{background:rgba(61,220,151,.12);border:1px solid var(--accent);color:#b8f5da;padding:10px 14px;border-radius:10px;margin-bottom:14px;font-size:.92rem}
.moduleRow{display:flex;align-items:center;justify-content:space-between;padding:14px 0;border-top:1px solid var(--line)}
.moduleRow:first-of-type{border-top:none}
.modTitle{font-weight:600}
.badge{font-size:.75rem;padding:3px 9px;border-radius:99px;font-weight:700}
.badge.locked{background:#232d38;color:var(--muted)}
.badge.in_progress{background:rgba(43,185,255,.15);color:var(--accent2)}
.badge.completed{background:rgba(61,220,151,.15);color:var(--accent)}
.progressbar{height:8px;background:#0f151b;border-radius:99px;overflow:hidden;margin-top:6px}
.progressbar > div{height:100%;background:var(--accent)}
.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
.topbar a{color:var(--muted);font-size:.85rem;text-decoration:none}
table{width:100%;border-collapse:collapse;font-size:.9rem}
th,td{text-align:left;padding:8px 6px;border-bottom:1px solid var(--line)}
th{color:var(--muted);font-weight:600}