:root{
  --blue:#1a3a5c; --blue2:#2c5a8a; --gold:#c9a227; --bg:#f4f6f9; --card:#ffffff;
  --ink:#1c2733; --muted:#5b6b7c; --green:#1e7d46; --red:#b3261e; --radius:14px;
}
*{box-sizing:border-box}
html{direction:rtl}
body{margin:0;font-family:'Heebo','Assistant',Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.65}
a{color:var(--blue2)}
.wrap{max-width:1000px;margin:0 auto;padding:0 18px}
header.site-top{background:linear-gradient(135deg,#16294a,#2c5a8a);color:#fff;padding:34px 0 28px}
header.site-top h1{margin:0;font-size:2rem;font-weight:800}
header.site-top p{margin:6px 0 0;opacity:.85}
.crumb{font-size:.85rem;margin-bottom:10px}
.crumb a{color:#cfe1f5;text-decoration:none}
.card{background:var(--card);border-radius:var(--radius);box-shadow:0 2px 10px rgba(20,40,70,.08);padding:22px;margin:18px 0}
.gates{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:26px 0}
@media(max-width:640px){.gates{grid-template-columns:1fr}}
.gate{display:block;text-decoration:none;color:#fff;border-radius:18px;padding:34px 24px;min-height:170px;position:relative;overflow:hidden;box-shadow:0 4px 14px rgba(20,40,70,.18);transition:transform .15s}
.gate:hover{transform:translateY(-3px)}
.gate.hist{background:linear-gradient(135deg,#5a2d82,#8a4fb8)}
.gate.civ{background:linear-gradient(135deg,#0f6b4f,#1f9c72)}
.gate h2{margin:0 0 8px;font-size:1.6rem;color:#fff}
.gate p{margin:0;opacity:.9}
.btn{display:inline-block;background:var(--blue);color:#fff!important;border:none;border-radius:10px;padding:11px 22px;font-size:1rem;font-weight:600;cursor:pointer;text-decoration:none;font-family:inherit}
.btn.gold{background:var(--gold);color:#1c2733!important}
.btn.ghost{background:#e8edf3;color:var(--ink)!important}
.btn:disabled{opacity:.5;cursor:default}
.dl-strip{display:flex;flex-wrap:wrap;gap:12px;align-items:center;background:#fff8e6;border:1px solid #ead9a0;border-radius:var(--radius);padding:16px 18px;margin:18px 0}
.topic-list{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:640px){.topic-list{grid-template-columns:1fr}}
.topic-list a{display:flex;align-items:center;gap:10px;background:var(--card);border-radius:12px;padding:14px 16px;text-decoration:none;color:var(--ink);box-shadow:0 1px 5px rgba(20,40,70,.07);border-right:4px solid var(--blue2)}
.topic-list a:hover{background:#eef4fb}
.topic-list .num{background:var(--blue);color:#fff;border-radius:50%;width:30px;height:30px;display:flex;align-items:center;justify-content:center;font-size:.85rem;flex-shrink:0}
h2.sec{border-right:5px solid var(--gold);padding-right:12px;margin-top:34px}
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin:20px 0}
.tabs button{background:#e8edf3;border:none;border-radius:9px;padding:10px 18px;font-family:inherit;font-size:.95rem;font-weight:600;cursor:pointer;color:var(--ink)}
.tabs button.active{background:var(--blue);color:#fff}
.pane{display:none}.pane.active{display:block}
/* deck */
.deck-view{background:#0d1b2e;border-radius:var(--radius);overflow:hidden}
.slide{display:none;min-height:430px;padding:34px 40px;color:#fff;flex-direction:column;justify-content:center}
.slide.on{display:flex}
.slide h3{color:var(--gold);margin:0 0 14px;font-size:1.5rem}
.slide ul{padding-right:20px;margin:0}
.slide li{margin:8px 0;font-size:1.08rem}
.slide img{max-width:88%;max-height:300px;border-radius:10px;margin:10px auto;display:block;background:#fff}
.slide .term{font-size:1.35rem;font-weight:800;color:#ffd970}
.slide .def{font-size:1.12rem}
.deck-nav{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;background:#122441;color:#fff}
.deck-nav .dots{font-size:.9rem;opacity:.8}
/* video */
.vid{position:relative;width:100%;padding-top:56.25%;border-radius:var(--radius);overflow:hidden;background:#000}
.vid iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.vid-thumb{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;cursor:pointer}
.vid-play{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:rgba(200,30,30,.92);color:#fff;border-radius:16px;padding:14px 30px;font-size:1.1rem;font-weight:700;cursor:pointer;border:none}
/* games */
.game{max-width:720px;margin:0 auto}
.game .hud{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;background:#122441;color:#fff;border-radius:10px;padding:10px 16px;margin-bottom:14px;font-weight:600}
.hud .hearts{color:#ff6b6b;letter-spacing:2px}
.mcq-q{font-size:1.25rem;font-weight:700;margin:6px 0 16px}
.mcq-a{display:block;width:100%;text-align:right;background:#fff;border:2px solid #d5dde6;border-radius:10px;padding:13px 16px;margin:8px 0;font-size:1.05rem;cursor:pointer;font-family:inherit;transition:border-color .12s}
.mcq-a:hover{border-color:var(--blue2)}
.mcq-a.ok{background:#e3f5ea;border-color:var(--green)}
.mcq-a.bad{background:#fbe7e5;border-color:var(--red)}
.mcq-a:disabled{cursor:default}
.match-cols{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.match-item{background:#fff;border:2px solid #d5dde6;border-radius:10px;padding:11px 14px;margin:6px 0;cursor:pointer;font-size:.98rem}
.match-item.sel{border-color:var(--gold);background:#fff8e6}
.match-item.done{background:#e3f5ea;border-color:var(--green);cursor:default;opacity:.75}
.tl-ev{background:#fff;border:2px solid #d5dde6;border-radius:10px;padding:11px 14px;margin:6px 0;cursor:pointer;display:flex;justify-content:space-between;align-items:center}
.tl-ev.sel{border-color:var(--gold);background:#fff8e6}
.progress-line{height:8px;background:#dde5ee;border-radius:5px;overflow:hidden;margin:10px 0}
.progress-line>div{height:100%;background:var(--gold);transition:width .3s}
.summary{background:#f0f6ff;border-radius:var(--radius);padding:20px;margin-top:16px}
/* question checker */
.qbox{background:#fbfdf7;border:1px solid #d9e4c8;border-radius:var(--radius);padding:20px}
.qbox .moed{display:inline-block;background:var(--blue);color:#fff;border-radius:20px;padding:3px 14px;font-size:.85rem;margin-bottom:10px}
.qbox textarea{width:100%;min-height:130px;border:2px solid #d5dde6;border-radius:10px;padding:12px;font-family:inherit;font-size:1rem;resize:vertical}
.rubric{list-style:none;padding:0;margin:14px 0}
.rubric li{padding:9px 14px;border-radius:9px;margin:6px 0;background:#f2f4f7}
.rubric li.hit{background:#e3f5ea;border-right:4px solid var(--green)}
.rubric li.miss{background:#fbe7e5;border-right:4px solid var(--red)}
.rubric li.self{background:#fff8e6;border-right:4px solid var(--gold);cursor:pointer}
details.ans{margin-top:14px;background:#fff;border:1px solid #d5dde6;border-radius:10px;padding:14px}
details.ans summary{font-weight:700;cursor:pointer}
.ans-quote{border-right:4px solid var(--blue2);padding-right:14px;margin-top:10px;white-space:pre-wrap;font-size:.98rem;color:#333}
.note-s{background:#eef4fb;border-radius:10px;padding:12px 16px;font-size:.92rem;color:var(--muted);margin:10px 0}
.tag{display:inline-block;background:#eef2f7;border-radius:6px;padding:2px 10px;font-size:.8rem;margin:2px}
footer.site-f{text-align:center;color:var(--muted);font-size:.85rem;padding:26px 0 34px}
img.q-img{max-width:100%;border-radius:10px;margin:8px 0;background:#fff;border:1px solid #dde}

.self-assess-note{background:#fff8e1;border:1px solid #e6c860;border-radius:10px;padding:10px 14px;margin:0 0 12px;font-weight:600;color:#5a4700}