/* SyntixNet — Exams portal / runner / certificate (self-contained, light theme) */
:root{
  --navy:#1e3c72; --purple:#5b3d8c; --blue:#2f74b5; --accent:#e8752a;
  --ink:#152036; --soft:#46516d; --muted:#7b8698; --line:#e6e9f2; --bg:#f5f7fc; --surface:#ffffff;
  --grad:linear-gradient(115deg,#5b3d8c 0%,#1e3c72 55%,#2f74b5 100%);
  --ok:#1c7d4d; --okbg:#e6f5ec; --bad:#b83726; --badbg:#fbe8e4;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"Cairo","IBM Plex Sans Arabic","Segoe UI",Tahoma,sans-serif;line-height:1.8}
a{color:var(--blue);text-decoration:none}
.ex-top{background:var(--grad);color:#fff;padding:14px 0}
.ex-top .in{max-width:960px;margin:0 auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.ex-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:#fff}
.ex-brand .m{width:38px;height:38px;border-radius:10px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.4);display:grid;place-items:center;font-weight:800}
.ex-wrap{max-width:960px;margin:26px auto;padding:0 20px}
.ex-narrow{max-width:520px}
.ex-card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:24px;box-shadow:0 10px 30px rgba(20,32,54,.06);margin-bottom:18px}
.ex-h1{font-size:26px;font-weight:800;margin:0 0 6px}
.ex-lead{color:var(--muted);margin:0 0 14px}
label{display:block;font-size:13px;font-weight:700;color:var(--soft);margin-bottom:6px}
input,select{width:100%;border:1px solid var(--line);border-radius:10px;padding:11px 13px;font-family:inherit;font-size:15px;background:#fff;color:var(--ink)}
input:focus,select:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(47,116,181,.15)}
.ex-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:800;font-size:15px;padding:12px 22px;border-radius:11px;border:1px solid var(--line);background:#fff;color:var(--ink);cursor:pointer;text-decoration:none}
.ex-btn-primary{background:var(--grad);color:#fff;border:0}
.ex-btn-ok{background:var(--ok);color:#fff;border:0}
.ex-msg{border-radius:11px;padding:12px 15px;margin-bottom:14px;font-weight:600}
.ex-msg.ok{background:var(--okbg);color:var(--ok)} .ex-msg.bad{background:var(--badbg);color:var(--bad)}
.ex-grid{display:grid;gap:14px}
table.ex-tbl{width:100%;border-collapse:collapse}
table.ex-tbl th,table.ex-tbl td{padding:10px;border-bottom:1px solid var(--line);text-align:start;font-size:14px}
.badge{display:inline-block;font-size:12px;font-weight:800;padding:3px 10px;border-radius:999px}
.badge.g{background:var(--okbg);color:var(--ok)} .badge.r{background:var(--badbg);color:var(--bad)} .badge.n{background:#eef1f7;color:#5b6478}
/* runner */
.ex-timer{position:sticky;top:0;z-index:5;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 16px;display:flex;justify-content:space-between;align-items:center;font-weight:800;margin-bottom:16px}
.ex-timer .t{font-variant-numeric:tabular-nums;font-size:20px;color:var(--navy)}
.ex-timer .t.warn{color:#c0392b}
.q{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:18px 20px;margin-bottom:14px}
.q .qn{font-weight:800;font-size:16px;margin-bottom:12px}
.opt{display:flex;align-items:center;gap:11px;border:1.5px solid var(--line);border-radius:11px;padding:12px 14px;margin-bottom:9px;cursor:pointer;transition:.12s}
.opt:hover{border-color:var(--blue);background:#f7faff}
.opt input{width:auto;margin:0}
.opt.sel{border-color:var(--blue);background:#eef5ff}
.sec-title{font-size:20px;font-weight:800;color:var(--navy);margin:0 0 4px}
.progress{height:8px;background:#e9edf6;border-radius:6px;overflow:hidden;margin:8px 0 20px}
.progress > i{display:block;height:100%;background:var(--grad)}
/* result */
.score-ring{width:150px;height:150px;border-radius:50%;display:grid;place-items:center;margin:0 auto 12px;font-size:34px;font-weight:900;color:#fff}
/* print certificate */
@media print{ .noprint{display:none!important} body{background:#fff} }