/* CIA Part 1 — تحضير الاختبار
   Colors: primary #1B3A6B (navy) · accent #C49A00 (gold) · surface #FFFFFF
*/
:root{
  --navy:#1B3A6B;
  --navy-2:#254E8A;
  --navy-3:#0F2648;
  --gold:#C49A00;
  --gold-2:#E4B62E;
  --bg:#F4F6FA;
  --card:#FFFFFF;
  --text:#1D2433;
  --muted:#5B6478;
  --border:#E1E6EF;
  --good:#1F8A4C;
  --good-bg:#E6F6EC;
  --bad:#B4232C;
  --bad-bg:#FDECEC;
  --warn:#B4232C;
  --warn-bg:#FFF3F3;
  --warn-border:#F1B6B6;
  --tip:#0A5F86;
  --tip-bg:#E7F4FA;
  --shadow:0 4px 18px rgba(27,58,107,0.08);
  --radius:14px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:"Cairo","Tajawal","Segoe UI",Arial,sans-serif;direction:rtl;line-height:1.75;font-size:16px}
a{color:var(--navy);text-decoration:none}
a:hover{color:var(--gold)}
button{font-family:inherit;cursor:pointer}
img{max-width:100%}

/* ========== Header ========== */
.topbar{background:linear-gradient(120deg,var(--navy) 0%,var(--navy-2) 100%);color:#fff;box-shadow:var(--shadow);position:sticky;top:0;z-index:50}
.topbar-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:14px 20px;gap:12px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:1.15rem}
.brand .logo{width:38px;height:38px;border-radius:10px;background:var(--gold);display:flex;align-items:center;justify-content:center;color:var(--navy-3);font-weight:900}
.brand small{display:block;font-size:.75rem;font-weight:500;opacity:.85}
.nav{display:flex;gap:6px;flex-wrap:wrap}
.nav button{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.25);border-radius:10px;padding:8px 14px;font-size:.92rem;transition:.2s}
.nav button:hover{background:rgba(255,255,255,.1)}
.nav button.active{background:var(--gold);color:var(--navy-3);border-color:var(--gold);font-weight:700}

/* ========== Page ========== */
.page{max-width:1200px;margin:24px auto;padding:0 20px 60px;min-height:60vh}
.page h1{color:var(--navy-3);font-size:1.7rem;margin:8px 0 20px;border-bottom:3px solid var(--gold);padding-bottom:8px;display:inline-block}
.page h2{color:var(--navy);font-size:1.3rem;margin-top:28px}
.page h3{color:var(--navy-2);font-size:1.1rem;margin-top:22px}

.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px;margin-bottom:20px;border:1px solid var(--border)}

/* ========== Home dashboard ========== */
.hero{background:linear-gradient(135deg,var(--navy) 0%,var(--navy-2) 100%);color:#fff;border-radius:var(--radius);padding:28px;margin-bottom:20px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;left:-40px;top:-40px;width:220px;height:220px;background:radial-gradient(circle,rgba(196,154,0,.25),transparent 70%);border-radius:50%}
.hero h1{color:#fff;border:none;font-size:1.7rem;margin:0 0 8px}
.hero p{margin:0;opacity:.95}
.hero .badge{display:inline-block;background:var(--gold);color:var(--navy-3);padding:4px 12px;border-radius:20px;font-weight:700;font-size:.85rem;margin-bottom:10px}

.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin-bottom:22px}
.stat{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);text-align:center}
.stat .num{font-size:1.9rem;font-weight:800;color:var(--navy);line-height:1}
.stat .lbl{color:var(--muted);font-size:.9rem;margin-top:6px}
.stat.gold .num{color:var(--gold)}

.quick-actions{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px;margin-bottom:24px}
.quick-actions button{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);font-size:1rem;font-weight:700;color:var(--navy);display:flex;align-items:center;gap:10px;justify-content:center;transition:.2s}
.quick-actions button:hover{transform:translateY(-2px);border-color:var(--gold)}
.quick-actions .ico{font-size:1.3rem}

/* Chapter progress list */
.chap-list{display:grid;gap:12px}
.chap-item{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:14px 18px;display:flex;align-items:center;gap:14px;box-shadow:var(--shadow);cursor:pointer;transition:.2s}
.chap-item:hover{border-color:var(--gold);transform:translateX(-3px)}
.chap-item .n{background:var(--navy);color:#fff;width:38px;height:38px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-weight:800;flex-shrink:0}
.chap-item .body{flex:1;min-width:0}
.chap-item .ttl{font-weight:700;color:var(--navy-3);margin-bottom:6px}
.chap-item.locked{opacity:.6}
.chap-item.locked .n{background:#8892a3}
.progress{height:8px;background:#EAEEF6;border-radius:6px;overflow:hidden}
.progress > i{display:block;height:100%;background:linear-gradient(90deg,var(--gold),var(--gold-2));border-radius:6px;transition:.4s}
.chap-item .pct{color:var(--muted);font-size:.85rem;margin-top:4px}

/* ========== Lessons content ========== */
.lesson-body p{margin:12px 0}
.lesson-body ul{padding-right:22px}
.lesson-body li{margin:6px 0}
.example{background:#EAF3FF;border:1px solid #B6D4FA;border-right:6px solid var(--navy-2);border-radius:10px;padding:14px 18px;margin:16px 0}
.example .head{font-weight:800;color:var(--navy);margin-bottom:6px;display:flex;align-items:center;gap:8px}
.concept{background:#FFFCEE;border:1px solid #F1E29A;border-right:6px solid var(--gold);border-radius:10px;padding:14px 18px;margin:16px 0}
.concept .head{font-weight:800;color:#7C6100;margin-bottom:6px;display:flex;align-items:center;gap:8px}
.summary{background:var(--good-bg);border:1px solid #B8E1C8;border-right:6px solid var(--good);border-radius:10px;padding:14px 18px;margin:16px 0}
.summary .head{font-weight:800;color:var(--good);margin-bottom:6px;display:flex;align-items:center;gap:8px}
.warn{background:var(--warn-bg);border:1px solid var(--warn-border);border-right:6px solid var(--warn);border-radius:10px;padding:14px 18px;margin:16px 0}
.warn .head{font-weight:800;color:var(--warn);margin-bottom:6px;display:flex;align-items:center;gap:8px}
.tip{background:var(--tip-bg);border:1px solid #B4DDEC;border-right:6px solid var(--tip);border-radius:10px;padding:14px 18px;margin:16px 0}
.tip .head{font-weight:800;color:var(--tip);margin-bottom:6px}

.compare{width:100%;border-collapse:collapse;margin:14px 0;background:#fff;border-radius:10px;overflow:hidden;box-shadow:0 1px 6px rgba(0,0,0,.05)}
.compare th,.compare td{border:1px solid var(--border);padding:10px 12px;text-align:right;vertical-align:top}
.compare th{background:var(--navy);color:#fff;font-weight:700}
.compare tr:nth-child(even) td{background:#F7F9FD}
.compare td.h{background:var(--gold);color:var(--navy-3);font-weight:700}

.pillars{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;margin:14px 0}
.pillar{background:#fff;border:1px solid var(--border);border-top:4px solid var(--gold);border-radius:10px;padding:14px}
.pillar .t{font-weight:800;color:var(--navy);margin-bottom:6px}
.pillar .en{color:var(--muted);font-size:.85rem}

.saudi-example{background:#F0F7EE;border:1px dashed #7EBA6A;border-radius:10px;padding:12px 16px;margin:14px 0}
.saudi-example .head{font-weight:800;color:#37782A;margin-bottom:4px}

/* Lesson TOC on side */
.lesson-wrap{display:grid;grid-template-columns:260px 1fr;gap:20px}
.lesson-toc{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:16px;position:sticky;top:80px;height:max-content;box-shadow:var(--shadow)}
.lesson-toc h4{margin:0 0 10px;color:var(--navy)}
.lesson-toc a{display:block;padding:6px 0;color:var(--text);font-size:.92rem;border-bottom:1px dashed var(--border)}
.lesson-toc a:last-child{border:none}
.lesson-toc a.active{color:var(--gold);font-weight:700}
@media (max-width:900px){
  .lesson-wrap{grid-template-columns:1fr}
  .lesson-toc{position:relative;top:0}
}

/* ========== Flashcards ========== */
.fc-header{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;margin-bottom:14px}
.fc-header .meta{color:var(--muted);font-size:.95rem}
.fc-scene{perspective:1400px;max-width:640px;margin:22px auto;height:320px}
.fc-card{position:relative;width:100%;height:100%;transform-style:preserve-3d;transition:transform .6s cubic-bezier(.4,.2,.2,1);cursor:pointer}
.fc-card.flipped{transform:rotateY(180deg)}
.fc-face{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;border-radius:var(--radius);padding:28px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;box-shadow:var(--shadow);border:1px solid var(--border);background:#fff}
.fc-face .lbl{font-size:.8rem;color:var(--muted);margin-bottom:12px;letter-spacing:2px}
.fc-face .body{font-size:1.15rem;font-weight:600;color:var(--navy-3);line-height:1.9}
.fc-face .body small{display:block;color:var(--muted);font-weight:400;margin-top:10px;font-size:.9rem;line-height:1.7}
.fc-back{transform:rotateY(180deg);background:linear-gradient(135deg,#FFFCEE,#FFF5D2)}
.fc-controls{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:14px}
.btn{background:var(--navy);color:#fff;border:none;border-radius:10px;padding:10px 18px;font-weight:700;transition:.2s;font-size:.95rem}
.btn:hover{background:var(--navy-2);transform:translateY(-1px)}
.btn.gold{background:var(--gold);color:var(--navy-3)}
.btn.gold:hover{background:var(--gold-2)}
.btn.good{background:var(--good)}
.btn.bad{background:var(--bad)}
.btn.ghost{background:transparent;color:var(--navy);border:1px solid var(--navy)}
.btn.sm{padding:6px 12px;font-size:.85rem}

/* ========== Quizzes ========== */
.q-selector{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px}
.q-tile{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);cursor:pointer;transition:.2s}
.q-tile:hover{border-color:var(--gold);transform:translateY(-2px)}
.q-tile .n{color:var(--gold);font-weight:800}
.q-tile .t{font-weight:700;color:var(--navy);margin:6px 0}
.q-tile .m{color:var(--muted);font-size:.9rem}

.qb-progress{background:#EAEEF6;height:10px;border-radius:8px;overflow:hidden;margin-bottom:14px}
.qb-progress > i{display:block;height:100%;background:linear-gradient(90deg,var(--navy),var(--navy-2));transition:.3s}
.qb-meta{display:flex;justify-content:space-between;color:var(--muted);font-size:.9rem;margin-bottom:10px;flex-wrap:wrap;gap:8px}
.q-text{font-size:1.05rem;font-weight:600;color:var(--navy-3);margin-bottom:16px;line-height:2}
.q-opts{display:grid;gap:10px}
.q-opt{background:#fff;border:1.5px solid var(--border);border-radius:10px;padding:12px 14px;cursor:pointer;transition:.2s;display:flex;align-items:flex-start;gap:10px;text-align:right;line-height:1.75}
.q-opt:hover{border-color:var(--navy-2);background:#F7F9FD}
.q-opt .idx{width:28px;height:28px;border-radius:8px;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;flex-shrink:0}
.q-opt.correct{border-color:var(--good);background:var(--good-bg)}
.q-opt.correct .idx{background:var(--good)}
.q-opt.wrong{border-color:var(--bad);background:var(--bad-bg)}
.q-opt.wrong .idx{background:var(--bad)}
.q-opt.disabled{cursor:default}
.q-explain{margin-top:14px;background:#F7F9FD;border:1px solid var(--border);border-radius:10px;padding:14px}
.q-explain h4{margin:0 0 8px;color:var(--navy)}
.q-explain .opt-exp{margin:6px 0;padding:6px 10px;border-right:4px solid var(--border);background:#fff;border-radius:6px}
.q-explain .opt-exp.right{border-color:var(--good);background:#F1FAF3}
.q-explain .opt-exp.wrong{border-color:var(--bad);background:#FDF2F2}
.q-actions{margin-top:16px;display:flex;gap:10px;flex-wrap:wrap;justify-content:space-between}

/* Report */
.report-hero{background:linear-gradient(135deg,var(--navy),var(--navy-2));color:#fff;border-radius:var(--radius);padding:24px;text-align:center;margin-bottom:14px}
.report-hero .big{font-size:3rem;font-weight:900;color:var(--gold)}
.report-hero .lbl{opacity:.9;font-size:1rem}
.topic-bar{display:flex;justify-content:space-between;align-items:center;padding:6px 0}
.topic-bar span{font-weight:600}
.topic-bar .bar{flex:1;margin:0 12px;height:10px;background:#EAEEF6;border-radius:8px;overflow:hidden}
.topic-bar .bar i{display:block;height:100%;background:var(--gold);border-radius:8px}

/* ========== Glossary ========== */
.gloss-search{width:100%;padding:12px 16px;border:1.5px solid var(--border);border-radius:10px;font-size:1rem;font-family:inherit;margin-bottom:10px}
.gloss-search:focus{border-color:var(--gold);outline:none}
.gloss-filter{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:16px}
.gloss-filter button{background:#fff;border:1px solid var(--border);border-radius:20px;padding:5px 12px;font-size:.85rem;color:var(--navy)}
.gloss-filter button.active{background:var(--navy);color:#fff;border-color:var(--navy)}
.gloss-item{background:#fff;border:1px solid var(--border);border-right:5px solid var(--gold);border-radius:10px;padding:12px 16px;margin-bottom:10px}
.gloss-item .ar{font-weight:800;color:var(--navy-3);font-size:1.05rem}
.gloss-item .en{color:var(--muted);font-size:.9rem;font-style:italic;margin-right:8px}
.gloss-item .def{margin-top:6px;color:var(--text)}
.gloss-item .chip{display:inline-block;background:#EAF3FF;color:var(--navy);border-radius:20px;padding:2px 10px;font-size:.75rem;margin-top:6px}

/* ========== Daily ========== */
.daily-hero{background:linear-gradient(135deg,var(--gold),var(--gold-2));color:var(--navy-3);border-radius:var(--radius);padding:20px 24px;margin-bottom:18px}
.daily-hero h2{color:var(--navy-3);margin:0;border:none}
.daily-hero p{margin:6px 0 0}

/* Locked chapter */
.locked-msg{background:#fff;border:1px dashed var(--border);border-radius:var(--radius);padding:40px;text-align:center;color:var(--muted)}
.locked-msg .ic{font-size:3rem;color:var(--gold);margin-bottom:10px}
.locked-msg h2{color:var(--navy);border:none;margin:0 0 8px}

/* Utility */
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.spacer{flex:1}
.hidden{display:none !important}
.text-muted{color:var(--muted)}
.text-good{color:var(--good);font-weight:700}
.text-bad{color:var(--bad);font-weight:700}
.small{font-size:.9rem}
.center{text-align:center}

/* Footer */
.footer{max-width:1200px;margin:20px auto 0;padding:20px;color:var(--muted);font-size:.85rem;text-align:center;border-top:1px solid var(--border)}

/* Diagram-style boxes (simulating the reference PDFs) */
.diag{background:#F7F9FD;border:1px solid var(--border);border-radius:12px;padding:18px;margin:14px 0}
.diag-title{text-align:center;color:var(--navy);font-weight:800;margin-bottom:14px;padding-bottom:8px;border-bottom:2px solid var(--gold);display:inline-block}
.diag-flow{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;align-items:center}
.diag-node{background:var(--navy);color:#fff;padding:12px 16px;border-radius:10px;min-width:130px;text-align:center;font-weight:700;font-size:.95rem}
.diag-node.alt{background:var(--gold);color:var(--navy-3)}
.diag-arrow{color:var(--gold);font-size:1.5rem;font-weight:900}