:root{
  --navy-950:#0a1220;
  --navy-900:#0e1a2e;
  --navy-800:#132540;
  --navy-700:#1b3253;
  --navy-600:#274468;
  --line:#2a3d5c;
  --off-white:#f3f1ea;
  --parchment:#e9e5d8;
  --gold:#b6903f;
  --gold-bright:#d4ac5c;
  --teal:#3f8f86;
  --teal-dim:#2b5f59;
  --red:#c1553f;
  --green:#5a9c6f;
  --muted:#93a1bd;
  --muted-dim:#5f6f8f;
  --radius-s:3px;
  --radius-m:6px;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:var(--navy-950);
  color:var(--off-white);
  font-family:'IBM Plex Sans Arabic',sans-serif;
  font-weight:400;
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family:'Markazi Text','IBM Plex Sans Arabic',sans-serif;
  font-weight:600;
  margin:0;
  color:var(--off-white);
  letter-spacing:.2px;
}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;}
::selection{background:var(--gold);color:var(--navy-950);}

/* layout */
#app{display:flex;min-height:100vh;}
.sidebar{
  width:242px;flex:0 0 242px;background:var(--navy-900);
  border-left:1px solid var(--line);padding:22px 16px;
  position:sticky;top:0;height:100vh;overflow-y:auto;
}
.brand{padding:0 6px 20px 6px;border-bottom:1px solid var(--line);margin-bottom:16px;}
.brand .mark{font-family:'Markazi Text';font-size:26px;color:var(--gold-bright);line-height:1.15;}
.brand .sub{font-size:11px;color:var(--muted-dim);margin-top:4px;letter-spacing:.3px;}
.nav-group{margin-bottom:14px;}
.nav-label{font-size:11px;color:var(--muted-dim);padding:8px 10px 4px;}
.nav-item{
  display:flex;align-items:center;gap:9px;padding:9px 10px;border-radius:var(--radius-s);
  font-size:14px;color:var(--muted);margin-bottom:1px;transition:background .12s,color .12s;
}
.nav-item:hover{background:var(--navy-800);color:var(--off-white);}
.nav-item.active{background:var(--navy-700);color:var(--gold-bright);border-right:2px solid var(--gold);padding-right:8px;}
.nav-item .dot{width:5px;height:5px;border-radius:50%;background:var(--muted-dim);flex:0 0 auto;}
.nav-item.active .dot{background:var(--gold-bright);}

.main{flex:1;min-width:0;padding:30px 42px 80px;max-width:1180px;}
@media (max-width:900px){
  #app{flex-direction:column;}
  .sidebar{width:100%;flex:none;height:auto;position:relative;border-left:none;border-bottom:1px solid var(--line);}
  .main{padding:20px 18px 60px;max-width:100%;}
}

.topline{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:26px;flex-wrap:wrap;gap:12px;}
.eyebrow{font-size:12px;color:var(--teal);margin-bottom:6px;}
.page-title{font-size:28px;}
.page-desc{color:var(--muted);font-size:14px;margin-top:6px;max-width:640px;line-height:1.7;}

/* cards */
.card{
  background:var(--navy-900);border:1px solid var(--line);border-radius:var(--radius-m);
  padding:20px 22px;
}
.grid{display:grid;gap:16px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
@media (max-width:760px){.grid-3,.grid-2,.grid-4{grid-template-columns:1fr;}}

.stat-card .num{font-family:'Markazi Text';font-size:40px;color:var(--gold-bright);line-height:1;}
.stat-card .lbl{color:var(--muted);font-size:13px;margin-top:8px;}
.stat-card .delta{font-size:12px;margin-top:6px;}
.delta.up{color:var(--green);}
.delta.down{color:var(--red);}

.bar-row{display:flex;align-items:center;gap:10px;margin-bottom:12px;}
.bar-row .name{width:150px;flex:0 0 150px;font-size:13px;color:var(--off-white);}
.bar-track{flex:1;height:7px;background:var(--navy-800);border-radius:8px;overflow:hidden;}
.bar-fill{height:100%;background:linear-gradient(90deg,var(--teal-dim),var(--teal));border-radius:8px;}
.bar-fill.gold{background:linear-gradient(90deg,var(--gold),var(--gold-bright));}
.bar-val{width:34px;flex:0 0 34px;font-size:12px;color:var(--muted);text-align:left;}

.btn{
  display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:var(--radius-s);
  border:1px solid var(--gold);color:var(--navy-950);background:var(--gold-bright);font-size:14px;font-weight:600;
  transition:filter .12s;
}
.btn:hover{filter:brightness(1.08);}
.btn.secondary{background:transparent;color:var(--off-white);border:1px solid var(--line);font-weight:400;}
.btn.secondary:hover{border-color:var(--muted);}
.btn.teal{background:var(--teal);border-color:var(--teal);color:#fff;}
.btn:disabled{opacity:.4;cursor:not-allowed;}

.badge{display:inline-block;font-size:11px;padding:3px 9px;border-radius:20px;border:1px solid var(--line);color:var(--muted);}
.badge.level{border-color:var(--teal-dim);color:var(--teal);}
.badge.gold{border-color:var(--gold);color:var(--gold-bright);}
.badge.done{border-color:var(--green);color:var(--green);}

hr{border:none;border-top:1px solid var(--line);margin:20px 0;}

.section-title{font-size:13px;color:var(--muted);margin:26px 0 12px;letter-spacing:.4px;}
.section-title:first-child{margin-top:0;}

/* level list */
.level-item{
  display:flex;justify-content:space-between;align-items:center;padding:15px 18px;
  border:1px solid var(--line);border-radius:var(--radius-m);margin-bottom:10px;background:var(--navy-900);
  cursor:pointer;transition:border-color .12s;
}
.level-item:hover{border-color:var(--teal-dim);}
.level-item .lname{font-size:15px;color:var(--off-white);margin-bottom:4px;}
.level-item .lmeta{font-size:12px;color:var(--muted-dim);}
.level-progress-ring{width:38px;height:38px;flex:0 0 auto;position:relative;}

/* lesson viewer */
.lesson-block{margin-bottom:22px;}
.lesson-block h4{font-size:15px;color:var(--gold-bright);margin-bottom:8px;}
.lesson-block p, .lesson-block li{color:#d8d4c8;font-size:14.5px;line-height:1.85;}
.lesson-block ul{padding-right:20px;margin:8px 0;}
.term{color:var(--teal);}

textarea.answer-box{
  width:100%;min-height:120px;background:var(--navy-800);border:1px solid var(--line);
  color:var(--off-white);border-radius:var(--radius-s);padding:12px 14px;font-family:inherit;font-size:14px;
  line-height:1.7;resize:vertical;
}
textarea.answer-box:focus{outline:none;border-color:var(--teal);}

.opt{
  display:block;width:100%;text-align:right;padding:11px 14px;margin-bottom:8px;border-radius:var(--radius-s);
  background:var(--navy-800);border:1px solid var(--line);color:var(--off-white);font-size:14px;transition:.12s;
}
.opt:hover{border-color:var(--teal-dim);}
.opt.selected{border-color:var(--teal);background:var(--navy-700);}
.opt.correct{border-color:var(--green);background:rgba(90,156,111,.12);}
.opt.wrong{border-color:var(--red);background:rgba(193,85,63,.12);}

.feedback-box{border-right:3px solid var(--gold);background:var(--navy-800);padding:14px 18px;border-radius:0 var(--radius-m) var(--radius-m) 0;margin-top:16px;}
.feedback-box h5{color:var(--gold-bright);font-size:13px;margin-bottom:6px;}
.feedback-box p{font-size:13.5px;color:#d8d4c8;line-height:1.75;margin:0 0 10px;}

.hint-box{background:var(--navy-800);border:1px dashed var(--muted-dim);padding:10px 14px;border-radius:var(--radius-s);font-size:13px;color:var(--muted);margin-top:10px;}

.doc-card{background:var(--navy-800);border:1px solid var(--line);border-radius:var(--radius-s);padding:14px 16px;margin-bottom:10px;font-size:13.5px;color:#d8d4c8;line-height:1.8;}
.doc-card .doctitle{color:var(--teal);font-size:12px;margin-bottom:6px;}

table.matrix{width:100%;border-collapse:collapse;font-size:13.5px;}
table.matrix th{text-align:right;color:var(--muted);font-weight:500;font-size:12px;padding:8px 10px;border-bottom:1px solid var(--line);}
table.matrix td{padding:10px 10px;border-bottom:1px solid var(--line);color:var(--off-white);}

.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px;}
.chip{font-size:12px;padding:5px 11px;border-radius:16px;background:var(--navy-800);border:1px solid var(--line);color:var(--muted);}
.chip.weak{border-color:var(--red);color:#e19484;}
.chip.strong{border-color:var(--green);color:#93c9a4;}

.toast{
  position:fixed;bottom:22px;left:50%;transform:translateX(-50%);background:var(--navy-700);
  border:1px solid var(--gold);padding:12px 22px;border-radius:var(--radius-m);font-size:13.5px;z-index:999;
  box-shadow:0 6px 24px rgba(0,0,0,.4);
}

.mission-strip{
  display:flex;justify-content:space-between;align-items:center;background:linear-gradient(90deg,var(--navy-800),var(--navy-700));
  border:1px solid var(--gold);border-radius:var(--radius-m);padding:16px 22px;margin-bottom:22px;flex-wrap:wrap;gap:12px;
}
.mission-strip .mtitle{font-size:12px;color:var(--gold-bright);margin-bottom:4px;}
.mission-strip .mtext{font-size:15px;}

.week-track{display:flex;gap:8px;margin-top:14px;flex-wrap:wrap;}
.week-node{flex:1;min-width:110px;padding:12px;border-radius:var(--radius-s);border:1px solid var(--line);background:var(--navy-800);font-size:12px;}
.week-node.current{border-color:var(--gold);background:var(--navy-700);}
.week-node.past{opacity:.55;}
.week-node .wk{color:var(--muted-dim);font-size:11px;margin-bottom:4px;}

.timeline-item{display:flex;gap:14px;padding:10px 0;border-bottom:1px solid var(--line);}
.timeline-item .time{width:56px;flex:0 0 56px;color:var(--muted-dim);font-size:12px;padding-top:2px;}
.timeline-item .desc{font-size:13.5px;color:#d8d4c8;}

.roadmap-track{display:flex;flex-direction:column;gap:0;margin-top:10px;}
.roadmap-node{display:flex;align-items:flex-start;gap:16px;padding:14px 0;position:relative;}
.roadmap-node .rdot{width:12px;height:12px;border-radius:50%;background:var(--navy-800);border:2px solid var(--muted-dim);flex:0 0 auto;margin-top:4px;z-index:1;}
.roadmap-node.reached .rdot{background:var(--gold);border-color:var(--gold-bright);}
.roadmap-node:not(:last-child)::before{content:'';position:absolute;right:5px;top:26px;bottom:-14px;width:2px;background:var(--line);}
.roadmap-node .rname{font-size:15px;}
.roadmap-node .rskills{font-size:12.5px;color:var(--muted);margin-top:4px;line-height:1.7;}

.radar-wrap{display:flex;justify-content:center;padding:10px 0;}

::-webkit-scrollbar{width:9px;height:9px;}
::-webkit-scrollbar-thumb{background:var(--navy-600);border-radius:6px;}
::-webkit-scrollbar-track{background:transparent;}

.small-note{font-size:11.5px;color:var(--muted-dim);margin-top:18px;line-height:1.7;border-top:1px solid var(--line);padding-top:14px;}
.disclaimer-banner{background:rgba(182,144,63,.08);border:1px solid var(--gold);border-radius:var(--radius-s);padding:10px 16px;font-size:12.5px;color:var(--gold-bright);margin-bottom:20px;line-height:1.7;}

.project-card{border:1px solid var(--line);border-radius:var(--radius-m);padding:18px 20px;margin-bottom:14px;background:var(--navy-900);}
.project-card .ptitle{font-size:16px;margin-bottom:6px;}
.project-card .pmeta{font-size:12px;color:var(--muted-dim);margin-bottom:10px;}

.score-pill{display:inline-flex;align-items:baseline;gap:4px;font-family:'Markazi Text';font-size:22px;color:var(--gold-bright);}
.score-pill span{font-size:12px;color:var(--muted-dim);font-family:'IBM Plex Sans Arabic';}