/* ═══════════════════════════════════════════════════════
   EhliyetKolay — Modern CSS Tasarım
   ═══════════════════════════════════════════════════════ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:'Inter',system-ui,-apple-system,sans-serif;background:#09090b;color:#fafafa;min-height:100vh;line-height:1.6;transition:background 0.3s,color 0.3s}

/* Light Theme */
body.light-theme{background:#f5f5f5;color:#171717}
body.light-theme .site-header{background:#ffffff;border-color:#e5e5e5}
body.light-theme .logo-text{color:#171717}
body.light-theme .header-nav a{color:#52525b}
body.light-theme .header-nav a:hover,body.light-theme .header-nav a.active{background:#f5f5f5;color:#171717}
body.light-theme .hero{background:linear-gradient(180deg,#ffffff,#f5f5f5)}
body.light-theme .hero h1,body.light-theme .section-title{color:#171717}
body.light-theme .hero-desc,body.light-theme .section-desc{color:#52525b}
body.light-theme .test-card,body.light-theme .exam-card,body.light-theme .lesson-card,body.light-theme .lesson-detail-container,body.light-theme .page-content{background:#ffffff;border-color:#e5e5e5}
body.light-theme .test-card h3,body.light-theme .exam-card h3,body.light-theme .lesson-card h3{color:#171717}
body.light-theme .test-card p,body.light-theme .exam-card p,body.light-theme .lesson-card p{color:#52525b}
body.light-theme .site-footer{background:#ffffff;border-color:#e5e5e5}
body.light-theme .footer-brand,body.light-theme .footer-copy{color:#52525b}
body.light-theme .info-card{background:#ffffff;border-color:#e5e5e5}
body.light-theme .info-card .info-text h3{color:#171717}
body.light-theme .nav-dropdown-content{background:#ffffff;border-color:#e5e5e5}

/* Tema Toggle */
.theme-toggle{
  background:#18181b;
  border:1px solid #27272a;
  color:#a1a1aa;
  width:40px;
  height:40px;
  border-radius:10px;
  cursor:pointer;
  font-size:16px;
  margin-right:12px;
  display:flex;
  align-items:center;
  justify-content:center;
  transition:all 0.2s
}
.theme-toggle:hover{background:#27272a;color:#fafafa}
body.light-theme .theme-toggle{background:#fff;border-color:#e5e5e5;color:#52525b}
body.light-theme .theme-toggle:hover{background:#f5f5f5}

.site-header{display:flex;align-items:center}

/* ─── SCROLLBAR ─── */
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-track{background:#18181b}
::-webkit-scrollbar-thumb{background:#3f3f46;border-radius:4px}
::-webkit-scrollbar-thumb:hover{background:#52525b}

/* ─── HEADER ─── */
.site-header{
  background:linear-gradient(180deg,#18181b 0%,#09090b 100%);
  border-bottom:1px solid #27272a;
  padding:14px 20px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  position:sticky;
  top:0;
  z-index:1000;
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px)
}
.logo{
  display:flex;
  align-items:center;
  gap:12px;
  text-decoration:none;
  transition:opacity 0.2s
}
.logo:hover{opacity:0.85}
.logo-icon{
  width:42px;
  height:42px;
  border-radius:12px;
  background:linear-gradient(135deg,#ef4444,#f97316);
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 8px 24px rgba(239,68,68,0.35);
  flex-shrink:0
}
.logo-text{font-size:20px;font-weight:900;color:#fafafa;letter-spacing:-0.5px}
.header-nav{display:flex;gap:8px}
.header-nav a{
  padding:8px 14px;
  border-radius:8px;
  font-size:13px;
  font-weight:600;
  color:#a1a1aa;
  text-decoration:none;
  transition:all 0.2s
}
.header-nav a:hover{color:#fafafa;background:#27272a}
.header-nav a.active{color:#fafafa;background:#27272a}

.nav-dropdown{position:relative;display:inline-block}
.nav-dropdown>a{display:flex;align-items:center;gap:6px}
.nav-dropdown>a .fa-chevron-down{font-size:10px;margin-left:4px}
.nav-dropdown-content{
  display:none;
  position:absolute;
  top:100%;
  right:0;
  background:#18181b;
  border:1px solid #27272a;
  border-radius:12px;
  min-width:200px;
  box-shadow:0 16px 48px rgba(0,0,0,0.5);
  z-index:100;
  padding:8px;
  margin-top:8px
}
.nav-dropdown:hover .nav-dropdown-content{display:block}
.nav-dropdown-content a{
  display:flex;
  align-items:center;
  gap:10px;
  padding:12px 16px;
  color:#a1a1aa;
  text-decoration:none;
  border-radius:8px;
  font-size:13px;
  transition:all 0.2s
}
.nav-dropdown-content a:hover{background:#27272a;color:#fafafa}
.nav-dropdown-content a i{width:18px;text-align:center;color:#22c55e}

/* ─── HERO ─── */
.hero{
  padding:60px 20px 50px;
  text-align:center;
  background:linear-gradient(180deg,#09090b 0%,#18181b 100%);
  position:relative;
  overflow:hidden
}
.hero::before{
  content:'';
  position:absolute;
  top:0;
  left:50%;
  transform:translateX(-50%);
  width:600px;
  height:600px;
  background:radial-gradient(circle,rgba(239,68,68,0.08) 0%,transparent 70%);
  pointer-events:none
}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:rgba(239,68,68,0.1);
  border:1px solid rgba(239,68,68,0.3);
  padding:6px 14px;
  border-radius:20px;
  font-size:12px;
  font-weight:600;
  color:#fca5a5;
  margin-bottom:20px
}
.hero h1{
  font-size:clamp(28px,5vw,48px);
  font-weight:900;
  color:#fafafa;
  margin-bottom:12px;
  line-height:1.2
}
.hero h1 span{
  background:linear-gradient(135deg,#ef4444,#f97316);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text
}
.hero-desc{
  font-size:16px;
  color:#a1a1aa;
  max-width:560px;
  margin:0 auto 24px;
  line-height:1.6
}
.hero-stats{
  display:flex;
  justify-content:center;
  gap:32px;
  flex-wrap:wrap
}
.hero-stat{
  text-align:center
}
.hero-stat-num{
  font-size:28px;
  font-weight:900;
  color:#fafafa
}
.hero-stat-lbl{
  font-size:11px;
  color:#71717a;
  font-weight:600;
  letter-spacing:0.5px
}

/* ─── ANNOUNCEMENTS SLIDER ─── */
.announcements{display:none}
.announcement-slider{
  max-width:800px;
  margin:-30px auto 30px;
  padding:0 20px;
  position:relative;
  z-index:10;
  display:none
}
.announcement-slider.active{display:block}
.announcement-track{
  overflow:hidden;
  border-radius:16px
}
.announcement-card{
  min-width:100%;
  background:#18181b;
  border:1px solid rgba(239,68,68,0.3);
  border-radius:16px;
  padding:18px 20px;
  display:flex;
  align-items:flex-start;
  gap:14px;
  box-shadow:0 8px 32px rgba(0,0,0,0.4);
  transition:transform 0.4s ease
}
.announcement-icon{
  width:40px;
  height:40px;
  border-radius:10px;
  background:linear-gradient(135deg,rgba(239,68,68,0.2),rgba(249,115,22,0.1));
  display:flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0
}
.announcement-content{flex:1}
.announcement-title{
  font-size:14px;
  font-weight:700;
  color:#fafafa;
  margin-bottom:4px
}
.announcement-text{
  font-size:13px;
  color:#a1a1aa;
  line-height:1.5
}
.announcement-nav{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:12px;
  margin-top:12px
}
.announcement-prev,.announcement-next{
  background:#27272a;
  border:none;
  color:#a1a1aa;
  width:32px;
  height:32px;
  border-radius:8px;
  cursor:pointer;
  transition:all 0.2s;
  display:flex;
  align-items:center;
  justify-content:center
}
.announcement-prev:hover,.announcement-next:hover{background:#3f3f46;color:#fafafa}
.announcement-dots{display:flex;gap:8px}
.announcement-dot{
  width:8px;
  height:8px;
  border-radius:50%;
  background:#3f3f46;
  cursor:pointer;
  transition:all 0.2s
}
.announcement-dot.active{background:#ef4444;transform:scale(1.3)}
.announcement-single{
  display:flex;
  align-items:center;
  gap:14px;
  padding:16px 20px;
  background:#18181b;
  border:1px solid rgba(239,68,68,0.3);
  border-radius:16px;
  box-shadow:0 8px 32px rgba(0,0,0,0.4)
}
.announcement-single .ann-title{font-weight:700;color:#fafafa;margin-right:8px}
.announcement-single .ann-text{color:#a1a1aa}

/* ─── QUICK ACTIONS ─── */
.quick-actions{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  gap:16px;
  max-width:900px;
  margin:0 auto 40px;
  padding:0 20px
}
.quick-card{
  background:#18181b;
  border:1px solid #27272a;
  border-radius:16px;
  padding:24px;
  text-decoration:none;
  color:inherit;
  transition:all 0.3s;
  display:block
}
.quick-card:hover{
  transform:translateY(-4px);
  box-shadow:0 16px 48px rgba(0,0,0,0.5)
}
.quick-card.test:hover{border-color:#22c55e}
.quick-card.exam:hover{border-color:#a78bfa}
.quick-card-icon{
  width:52px;
  height:52px;
  border-radius:14px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:24px;
  margin-bottom:14px
}
.quick-card.test .quick-card-icon{
  background:linear-gradient(135deg,rgba(34,197,94,0.2),rgba(34,197,94,0.05));
  color:#22c55e
}
.quick-card.exam .quick-card-icon{
  background:linear-gradient(135deg,rgba(167,139,250,0.2),rgba(167,139,250,0.05));
  color:#a78bfa
}
.quick-card h3{
  font-size:16px;
  font-weight:700;
  color:#fafafa;
  margin-bottom:6px
}
.quick-card p{
  font-size:13px;
  color:#71717a;
  line-height:1.5
}

/* ─── SECTION ─── */
.section{
  padding:20px;
  max-width:900px;
  margin:0 auto
}
.section-header{
  margin-bottom:20px
}
.section-title{
  font-size:18px;
  font-weight:800;
  color:#fafafa;
  margin-bottom:6px;
  display:flex;
  align-items:center;
  gap:10px
}
.section-title i{color:#ef4444}
.section-desc{
  font-size:13px;
  color:#71717a
}

/* ─── TEST CARDS (GRID) ─── */
.test-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(260px,1fr));
  gap:16px
}
.test-card{
  background:#18181b;
  border:1px solid #27272a;
  border-radius:16px;
  padding:20px;
  text-decoration:none;
  color:inherit;
  transition:all 0.3s;
  position:relative;
  overflow:hidden
}
.test-card::before{
  content:'';
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:3px;
  background:linear-gradient(90deg,#22c55e,#16a34a);
  opacity:0;
  transition:opacity 0.3s
}
.test-card:hover{
  transform:translateY(-4px);
  box-shadow:0 16px 48px rgba(0,0,0,0.5);
  border-color:#22c55e
}
.test-card:hover::before{opacity:1}
.test-card-header{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  margin-bottom:14px
}
.test-card-icon{
  width:44px;
  height:44px;
  border-radius:12px;
  background:linear-gradient(135deg,rgba(34,197,94,0.2),rgba(34,197,94,0.05));
  display:flex;
  align-items:center;
  justify-content:center;
  color:#22c55e;
  font-size:20px
}
.test-card-badge{
  font-size:10px;
  font-weight:700;
  padding:4px 10px;
  border-radius:20px;
  background:rgba(34,197,94,0.1);
  color:#22c55e;
  border:1px solid rgba(34,197,94,0.2)
}
.test-card h3{
  font-size:15px;
  font-weight:700;
  color:#fafafa;
  margin-bottom:8px;
  line-height:1.3
}
.test-card-meta{
  display:flex;
  gap:12px;
  font-size:12px;
  color:#71717a;
  margin-bottom:16px
}
.test-card-meta span{
  display:flex;
  align-items:center;
  gap:4px
}
.test-card-btn{
  width:100%;
  background:linear-gradient(135deg,#22c55e,#16a34a);
  color:white;
  border:none;
  padding:11px;
  border-radius:10px;
  font-size:13px;
  font-weight:700;
  cursor:pointer;
  transition:all 0.2s;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:6px
}
.test-card-btn:hover{filter:brightness(1.1)}

/* ─── EXAM LIST ─── */
.exam-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(280px,1fr));
  gap:16px
}
.exam-card{
  background:#18181b;
  border:1px solid #27272a;
  border-radius:16px;
  padding:20px;
  transition:all 0.3s
}
.exam-card:hover{
  transform:translateY(-2px);
  border-color:#a78bfa;
  box-shadow:0 8px 32px rgba(0,0,0,0.4)
}
.exam-card-header{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:12px
}
.exam-card-icon{
  width:40px;
  height:40px;
  border-radius:10px;
  background:linear-gradient(135deg,rgba(167,139,250,0.2),rgba(167,139,250,0.05));
  display:flex;
  align-items:center;
  justify-content:center;
  color:#a78bfa;
  font-size:18px;
  flex-shrink:0
}
.exam-card h3{
  font-size:14px;
  font-weight:700;
  color:#fafafa;
  flex:1;
  min-width:0
}
.exam-card-date{
  font-size:11px;
  color:#71717a;
  margin-bottom:14px;
  display:flex;
  align-items:center;
  gap:4px
}
.exam-card-actions{
  display:flex;
  gap:8px
}
.exam-btn{
  flex:1;
  padding:9px;
  border-radius:8px;
  font-size:12px;
  font-weight:700;
  cursor:pointer;
  text-decoration:none;
  text-align:center;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:5px;
  transition:all 0.2s
}
.exam-btn.view{
  background:rgba(167,139,250,0.1);
  color:#a78bfa;
  border:1px solid rgba(167,139,250,0.2)
}
.exam-btn.download{
  background:linear-gradient(135deg,#7c3aed,#6d28d9);
  color:white;
  border:none
}
.exam-btn:hover{filter:brightness(1.15)}

/* ─── INFO GRID ─── */
.info-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(280px,1fr));
  gap:12px;
  max-width:900px;
  margin:0 auto;
  padding:0 20px
}
.info-card{
  display:flex;
  align-items:center;
  gap:14px;
  padding:16px;
  background:#18181b;
  border:1px solid #27272a;
  border-radius:14px;
  text-decoration:none;
  color:inherit;
  transition:all 0.2s
}
.info-card:hover{background:#1f1f23;border-color:#3f3f46;transform:translateX(4px)}
.info-card .info-icon{
  width:48px;
  height:48px;
  border-radius:12px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:20px;
  flex-shrink:0
}
.info-card .info-text{flex:1}
.info-card .info-text h3{font-size:14px;font-weight:700;color:#fafafa;margin-bottom:2px}
.info-card .info-text p{font-size:12px;color:#71717a}
.info-card .fa-arrow-right{color:#52525b;font-size:14px}

/* ─── SEO CONTENT ─── */
.seo-content{
  max-width:800px;
  margin:40px auto;
  padding:0 20px
}
.seo-card{
  background:#18181b;
  border:1px solid #27272a;
  border-radius:20px;
  padding:28px
}
.seo-card h2{
  font-size:20px;
  font-weight:800;
  color:#fafafa;
  margin-bottom:16px;
  display:flex;
  align-items:center;
  gap:10px
}
.seo-card h2 i{color:#ef4444}
.seo-card p{
  font-size:14px;
  color:#a1a1aa;
  line-height:1.8;
  margin-bottom:12px
}
.seo-card ul{
  list-style:none;
  margin:16px 0
}
.seo-card li{
  padding:10px 0;
  border-bottom:1px solid #27272a;
  font-size:14px;
  color:#a1a1aa;
  display:flex;
  align-items:center;
  gap:10px
}
.seo-card li:last-child{border:none}
.seo-card li i{color:#22c55e;font-size:16px}
.seo-card strong{color:#fafafa}

/* ─── FOOTER ─── */
.site-footer{
  border-top:1px solid #18181b;
  padding:40px 20px;
  margin-top:60px;
  text-align:center
}
.footer-brand{
  font-size:16px;
  font-weight:800;
  color:#71717a;
  margin-bottom:8px;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:8px
}
.footer-brand i{color:#ef4444}
.footer-copy{font-size:12px;color:#52525b}

/* ─── EMPTY STATE ─── */
.empty-state{
  text-align:center;
  padding:60px 20px;
  color:#52525b
}
.empty-state i{
  font-size:48px;
  margin-bottom:16px;
  display:block;
  color:#3f3f46
}
.empty-state h3{
  font-size:16px;
  font-weight:700;
  color:#71717a;
  margin-bottom:6px
}
.empty-state p{font-size:13px}

/* ═══════════════════════════════════════════════════════
   TEST SOLVE PAGE
   ═══════════════════════════════════════════════════════ */

/* ─── SOLVE HEADER ─── */
.solve-header{
  background:#18181b;
  border-bottom:1px solid #27272a;
  padding:12px 20px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  position:sticky;
  top:0;
  z-index:1000;
  backdrop-filter:blur(12px)
}
.solve-info{min-width:0;flex:1}
.solve-title{
  font-size:15px;
  font-weight:700;
  color:#fafafa;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
  margin-bottom:2px
}
.solve-meta{font-size:11px;color:#71717a}
.solve-right{
  display:flex;
  align-items:center;
  gap:16px;
  flex-shrink:0
}
.solve-progress{
  font-size:13px;
  font-weight:600;
  color:#a1a1aa
}
.solve-timer{
  background:#09090b;
  border:1px solid #27272a;
  border-radius:10px;
  padding:8px 16px;
  font-family:monospace;
  font-size:18px;
  font-weight:800;
  color:#22c55e
}
.solve-timer.warning{color:#f59e0b;border-color:rgba(245,158,11,0.3)}
.solve-timer.danger{color:#ef4444;border-color:rgba(239,68,68,0.3);animation:pulse 0.5s infinite}

/* ─── PROGRESS BAR ─── */
.progress-container{
  background:#27272a;
  height:3px
}
.progress-fill{
  height:100%;
  background:linear-gradient(90deg,#22c55e,#16a34a);
  transition:width 0.4s ease
}

/* ─── QUESTION NAV ─── */
.q-nav{
  background:#18181b;
  border-bottom:1px solid #27272a;
  padding:12px 20px;
  overflow-x:auto;
  position:sticky;
  top:0;
  z-index:50
}
.q-nav::-webkit-scrollbar{height:4px}
.q-nav-inner{
  display:flex;
  gap:8px;
  min-width:max-content;
  justify-content:center
}
.q-nav-btn{
  width:44px;
  height:44px;
  border-radius:10px;
  border:2px solid #27272a;
  background:#09090b;
  color:#71717a;
  font-size:14px;
  font-weight:700;
  cursor:pointer;
  transition:all 0.2s;
  display:flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
  position:relative
}
.q-nav-btn:hover{
  transform:scale(1.1);
  box-shadow:0 4px 12px rgba(0,0,0,0.3)
}
/* Unanswered */
.q-nav-btn.unanswered{
  background:#09090b;
  border-color:#3f3f46;
  color:#71717a
}
/* Answered - Correct */
.q-nav-btn.correct{
  background:linear-gradient(135deg,#22c55e,#16a34a);
  border-color:#22c55e;
  color:#fff;
  box-shadow:0 4px 12px rgba(34,197,94,0.3)
}
/* Answered - Wrong */
.q-nav-btn.wrong{
  background:linear-gradient(135deg,#ef4444,#dc2626);
  border-color:#ef4444;
  color:#fff;
  box-shadow:0 4px 12px rgba(239,68,68,0.3)
}
/* Current */
.q-nav-btn.current{
  border-color:#f59e0b;
  color:#f59e0b;
  box-shadow:0 0 0 3px rgba(245,158,11,0.3);
  transform:scale(1.15)
}
/* Status icons */
.q-nav-btn.correct::after,
.q-nav-btn.wrong::after{
  content:'';
  position:absolute;
  top:-4px;
  right:-4px;
  width:12px;
  height:12px;
  border-radius:50%;
  border:2px solid #09090b
}
.q-nav-btn.correct::after{background:#fff}
.q-nav-btn.wrong::after{background:#fff}

/* ─── SOLVE BODY ─── */
.solve-body{
  max-width:800px;
  margin:0 auto;
  padding:20px 16px 120px;
  position:relative;
  overflow:hidden
}

/* ─── QUESTION CARD ─── */
.question-card{
  background:#18181b;
  border:2px solid #27272a;
  border-radius:20px;
  padding:24px;
  margin-bottom:0;
  transition:all 0.3s
}
/* Slide animations */
@keyframes slideInRight{from{opacity:0;transform:translateX(100%)}to{opacity:1;transform:translateX(0)}}
@keyframes slideInLeft{from{opacity:0;transform:translateX(-100%)}to{opacity:1;transform:translateX(0)}}
.question-card.slide-right{animation:slideInRight 0.4s ease forwards}
.question-card.slide-left{animation:slideInLeft 0.4s ease forwards}
.question-card.answered{border-color:#22c55e}

.q-num{
  font-size:12px;
  font-weight:700;
  color:#71717a;
  letter-spacing:1px;
  margin-bottom:16px;
  display:flex;
  align-items:center;
  gap:8px
}
.q-num span{color:#52525b}
.q-image{
  max-width:100%;
  max-height:200px;
  width:auto;
  height:auto;
  object-fit:contain;
  border-radius:10px;
  margin:0 auto 12px;
  display:block;
  border:1px solid #27272a;
  background:#09090b
}
.q-text{
  font-size:15px;
  color:#fafafa;
  line-height:1.6;
  margin-bottom:14px
}

/* ─── CHOICES (YAN YANA 2x2 GRID) ─── */
.choices{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:8px;
  margin-top:16px
}
.choice-btn{
  display:flex;
  align-items:center;
  gap:10px;
  padding:12px 14px;
  background:#09090b;
  border:2px solid #27272a;
  border-radius:12px;
  cursor:pointer;
  transition:all 0.2s;
  user-select:none
}
.choice-btn:hover:not(.answered){
  border-color:#22c55e;
  background:rgba(34,197,94,0.08)
}
.choice-btn.selected{
  border-color:#22c55e;
  background:rgba(34,197,94,0.12)
}
/* Cevap verildikten sonra seçim kapalı */
.choice-btn.answered{
  cursor:not-allowed;
  opacity:0.85
}
.choice-btn.answered:hover{
  transform:none
}
.choice-btn.correct{
  border-color:#22c55e;
  background:rgba(34,197,94,0.2)
}
.choice-btn.wrong{
  border-color:#ef4444;
  background:rgba(239,68,68,0.15)
}
.choice-letter{
  width:34px;
  height:34px;
  border-radius:8px;
  background:#27272a;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:16px;
  font-weight:800;
  color:#71717a;
  flex-shrink:0;
  transition:all 0.2s
}
.choice-btn:hover .choice-letter{background:#22c55e;color:#fff}
.choice-btn.selected .choice-letter{background:#22c55e;color:#fff}
.choice-btn.correct .choice-letter{background:#22c55e;color:#fff}
.choice-btn.wrong .choice-letter{background:#ef4444;color:#fff}
.choice-text{
  flex:1;
  font-size:14px;
  color:#e4e4e7;
  line-height:1.4;
  min-width:0
}
.choice-indicator{
  font-size:18px;
  font-weight:800;
  width:28px;
  height:28px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  flex-shrink:0
}
.choice-btn.correct .choice-indicator{color:#22c55e}
.choice-btn.wrong .choice-indicator{color:#ef4444}

/* PDF SORUSU — HARF BUTONLARI (aynı grid yapısı) */
.choices-letter-only{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:8px;
  margin-top:16px
}
.choice-letter-btn{
  height:48px;
  border-radius:10px;
  border:2px solid #27272a;
  background:#09090b;
  display:flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  transition:all 0.2s;
  position:relative
}
.choice-letter-btn span{
  font-size:18px;
  font-weight:900;
  color:#71717a;
  transition:color 0.2s
}
.choice-letter-btn:hover:not(.answered){border-color:#22c55e;background:rgba(34,197,94,0.08)}
.choice-letter-btn:hover span{color:#22c55e}
.choice-letter-btn.selected{border-color:#22c55e;background:rgba(34,197,94,0.15)}
.choice-letter-btn.selected span{color:#22c55e}
.choice-letter-btn.correct{border-color:#22c55e;background:rgba(34,197,94,0.2)}
.choice-letter-btn.correct span{color:#22c55e}
.choice-letter-btn.wrong{border-color:#ef4444;background:rgba(239,68,68,0.15)}
.choice-letter-btn.wrong span{color:#ef4444}
.choice-letter-btn.answered{cursor:not-allowed;opacity:0.85}

/* ─── CARD NAV BUTTONS ─── */
.card-nav{
  display:flex;
  justify-content:space-between;
  gap:12px;
  margin-top:20px;
  padding-top:20px;
  border-top:1px solid #27272a
}
.card-nav-btn{
  flex:1;
  padding:14px 20px;
  border-radius:12px;
  border:none;
  font-size:14px;
  font-weight:700;
  cursor:pointer;
  transition:all 0.2s;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:8px
}
.card-nav-btn.prev{
  background:#27272a;
  color:#a1a1aa;
  border:1px solid #3f3f46
}
.card-nav-btn.prev:hover{
  background:#3f3f46;
  color:#fafafa
}
.card-nav-btn.next{
  background:linear-gradient(135deg,#22c55e,#16a34a);
  color:#fff
}
.card-nav-btn.next:hover{
  filter:brightness(1.1)
}
.card-nav-btn.next.disabled{
  background:#27272a;
  color:#52525b;
  cursor:not-allowed;
  opacity:0.6
}

/* ─── FINISH BAR ─── */
.finish-bar{
  position:fixed;
  bottom:0;
  left:0;
  right:0;
  background:#09090b;
  padding:20px 20px;
  display:flex;
  justify-content:center;
  z-index:200;
  border-top:1px solid #27272a
}
.finish-btn{
  background:linear-gradient(135deg,#22c55e,#16a34a);
  color:white;
  border:none;
  padding:16px 40px;
  border-radius:14px;
  font-size:15px;
  font-weight:700;
  cursor:pointer;
  transition:all 0.2s;
  box-shadow:0 8px 32px rgba(34,197,94,0.4);
  display:flex;
  align-items:center;
  gap:8px
}
.finish-btn:hover{transform:translateY(-2px);box-shadow:0 12px 40px rgba(34,197,94,0.5)}

/* ─── RESULT ─── */
.result-container{
  text-align:center;
  padding:40px 20px;
  position:relative;
  z-index:50;
  background:#09090b;
  min-height:100vh
}
.result-card{
  background:#18181b;
  border:1px solid #27272a;
  border-radius:24px;
  padding:32px;
  max-width:500px;
  margin:0 auto
}
.result-score{
  margin-bottom:32px
}
.result-num{
  font-size:80px;
  font-weight:900;
  line-height:1;
  background:linear-gradient(135deg,#fafafa,#71717a);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text
}
.result-label{
  font-size:20px;
  font-weight:700;
  margin-top:8px
}
.result-pass{color:#22c55e}
.result-fail{color:#ef4444}
.result-grade{
  font-size:24px;
  margin-top:8px;
  font-weight:700
}
.result-stats{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:12px;
  margin-bottom:28px
}
.result-stat{
  background:#09090b;
  border:1px solid #27272a;
  border-radius:14px;
  padding:18px
}
.result-stat-num{
  font-size:28px;
  font-weight:800;
  margin-bottom:4px
}
.result-stat-lbl{
  font-size:11px;
  color:#71717a;
  font-weight:600;
  letter-spacing:0.5px
}
.result-actions{
  display:flex;
  gap:10px
}
.result-btn{
  flex:1;
  padding:14px;
  border-radius:12px;
  font-size:14px;
  font-weight:700;
  cursor:pointer;
  text-decoration:none;
  text-align:center;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:6px;
  transition:all 0.2s
}
.result-btn.primary{
  background:linear-gradient(135deg,#22c55e,#16a34a);
  color:white;
  border:none
}
.result-btn.secondary{
  background:#27272a;
  color:#a1a1aa;
  border:1px solid #3f3f46
}
.result-btn:hover{transform:translateY(-2px)}

/* ═══════════════════════════════════════════════════════
   ADMIN PANEL
   ═══════════════════════════════════════════════════════ */

.admin-header{
  background:#18181b;
  border-bottom:1px solid #27272a;
  padding:12px 20px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  position:sticky;
  top:0;
  z-index:1000
}
.admin-logo{
  display:flex;
  align-items:center;
  gap:10px
}
.admin-logo-icon{
  width:36px;
  height:36px;
  border-radius:10px;
  background:linear-gradient(135deg,#ef4444,#f97316);
  display:flex;
  align-items:center;
  justify-content:center
}
.admin-logo-text{font-size:17px;font-weight:900;color:#fafafa}
.admin-back{
  color:#71717a;
  text-decoration:none;
  font-size:12px;
  font-weight:600;
  display:flex;
  align-items:center;
  gap:6px;
  padding:8px 12px;
  border-radius:8px;
  border:1px solid #27272a;
  transition:all 0.2s
}
.admin-back:hover{color:#fafafa;border-color:#3f3f46}

/* ─── ADMIN TABS ─── */
.admin-tabs{
  display:flex;
  gap:2px;
  padding:16px 20px 0;
  max-width:1100px;
  margin:0 auto;
  overflow-x:auto
}
.admin-tab{
  flex:1;
  min-width:120px;
  padding:12px 16px;
  border-radius:12px 12px 0 0;
  border:1px solid transparent;
  border-bottom:none;
  font-size:12px;
  font-weight:700;
  cursor:pointer;
  background:#18181b;
  color:#71717a;
  transition:all 0.2s;
  text-align:center;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  white-space:nowrap
}
.admin-tab i{display:block;font-size:18px;margin-bottom:4px}
.admin-tab.active{
  background:#0a0a0f;
  color:#fafafa;
  border-color:#27272a
}
.admin-tab.dashboard.active{color:#22d3ee}
.admin-tab.tests.active{color:#22c55e}
.admin-tab.exams.active{color:#a78bfa}
.admin-tab.stats.active{color:#f59e0b}
.admin-tab.announcements.active{color:#fb7185}

/* ─── ADMIN PANELS ─── */
.admin-panels{max-width:1100px;margin:0 auto;padding:0 20px 20px}
.admin-panel{
  display:none;
  background:#0a0a0f;
  border:1px solid #27272a;
  border-radius:0 16px 16px 16px;
  padding:20px;
  min-height:400px
}
.admin-panel.active{display:block}

/* ─── DASHBOARD ─── */
.dashboard-stats{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(160px,1fr));
  gap:14px;
  margin-bottom:24px
}
.dash-stat{
  background:#18181b;
  border:1px solid #27272a;
  border-radius:14px;
  padding:18px;
  text-align:center;
  transition:all 0.2s
}
.dash-stat:hover{transform:translateY(-2px);border-color:#3f3f46}
.dash-stat-num{
  font-size:32px;
  font-weight:900;
  margin-bottom:4px
}
.dash-stat-lbl{
  font-size:11px;
  color:#71717a;
  font-weight:600;
  letter-spacing:0.5px
}
.dash-recent{
  background:#18181b;
  border:1px solid #27272a;
  border-radius:14px;
  padding:16px
}
.dash-recent-title{
  font-size:12px;
  font-weight:700;
  color:#71717a;
  letter-spacing:1px;
  margin-bottom:12px;
  text-transform:uppercase
}
.dash-recent-item{
  display:flex;
  align-items:center;
  gap:12px;
  padding:10px 0;
  border-bottom:1px solid #18181b
}
.dash-recent-item:last-child{border:none}
.dash-recent-icon{
  width:36px;
  height:36px;
  border-radius:8px;
  background:#27272a;
  display:flex;
  align-items:center;
  justify-content:center;
  color:#71717a;
  font-size:14px
}
.dash-recent-info{flex:1;min-width:0}
.dash-recent-name{
  font-size:13px;
  font-weight:600;
  color:#fafafa;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis
}
.dash-recent-meta{font-size:11px;color:#52525b}

/* ─── ADMIN FORMS ─── */
.panel-header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:16px;
  flex-wrap:wrap;
  gap:10px
}
.panel-title{font-size:16px;font-weight:800;color:#fafafa}
.panel-desc{font-size:12px;color:#71717a;margin-top:2px}
.add-btn{
  background:linear-gradient(135deg,#22c55e,#16a34a);
  color:white;
  border:none;
  padding:10px 16px;
  border-radius:10px;
  font-size:12px;
  font-weight:700;
  cursor:pointer;
  display:flex;
  align-items:center;
  gap:6px;
  transition:all 0.2s
}
.add-btn:hover{filter:brightness(1.1);transform:translateY(-1px)}
.add-btn.purple{background:linear-gradient(135deg,#7c3aed,#6d28d9)}
.add-btn.red{background:linear-gradient(135deg,#ef4444,#dc2626)}

/* ─── ITEM LIST ─── */
.item-list{display:flex;flex-direction:column;gap:8px}
.item-card{
  background:#18181b;
  border:1px solid #27272a;
  border-radius:12px;
  padding:14px 16px;
  display:flex;
  align-items:center;
  gap:12px;
  transition:all 0.2s
}
.item-card:hover{border-color:#3f3f46}
.item-icon{
  width:40px;
  height:40px;
  border-radius:10px;
  background:#27272a;
  display:flex;
  align-items:center;
  justify-content:center;
  color:#71717a;
  font-size:16px;
  flex-shrink:0
}
.item-info{flex:1;min-width:0}
.item-name{
  font-size:14px;
  font-weight:700;
  color:#fafafa;
  margin-bottom:2px
}
.item-meta{font-size:11px;color:#71717a}
.item-actions{display:flex;gap:6px}
.item-btn{
  background:#27272a;
  color:#71717a;
  border:1px solid #3f3f46;
  padding:8px 10px;
  border-radius:8px;
  font-size:11px;
  cursor:pointer;
  transition:all 0.2s;
  display:flex;
  align-items:center
}
.item-btn:hover{color:#fafafa;background:#3f3f46}
.item-btn.edit:hover{color:#22c55e;border-color:#22c55e}
.item-btn.delete:hover{color:#ef4444;border-color:#ef4444}

/* ─── POOL GRID ─── */
.pool-toolbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin:16px 0 12px;
  gap:10px;
  flex-wrap:wrap
}
.pool-count{font-size:12px;color:#71717a}
.pool-count span{color:#22c55e;font-weight:700}
.pool-search{
  background:#18181b;
  border:1px solid #27272a;
  border-radius:8px;
  padding:8px 12px;
  color:#fafafa;
  font-size:12px;
  width:200px;
  outline:none
}
.pool-search:focus{border-color:#22c55e}
.pool-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(220px,1fr));
  gap:12px
}
.q-card{
  background:#18181b;
  border:2px solid #27272a;
  border-radius:12px;
  overflow:visible;
  transition:all 0.2s;
  cursor:grab;
  position:relative
}
.q-card:hover{border-color:#22c55e;box-shadow:0 8px 24px rgba(0,0,0,0.4)}
.q-card.dragging{opacity:0.4;transform:rotate(1deg)}
.q-card-header{
  display:flex;
  align-items:center;
  padding:6px 8px;
  border-bottom:1px solid #27272a;
  gap:6px
}
.q-num-badge{
  background:#22c55e;
  color:white;
  font-size:10px;
  font-weight:900;
  width:24px;
  height:24px;
  border-radius:6px;
  display:flex;
  align-items:center;
  justify-content:center
}
.q-drag{color:#52525b;cursor:grab;font-size:12px}
.q-drag:hover{color:#71717a}
.q-header-actions{display:flex;gap:2px;margin-left:auto}
.q-hbtn{
  background:none;
  border:none;
  color:#71717a;
  font-size:12px;
  cursor:pointer;
  padding:4px 6px;
  border-radius:4px;
  transition:0.15s
}
.q-hbtn:hover{background:#3f3f46;color:#fafafa}
.q-hbtn.delete:hover{color:#ef4444}
.q-card-content{
  padding:8px;
  max-height:100px;
  overflow:hidden
}
.q-card-content img{
  max-width:100%;
  max-height:80px;
  width:auto;
  height:auto;
  object-fit:contain;
  border-radius:6px;
  display:block;
  margin:0 auto
}
.q-text-preview{font-size:12px;color:#a1a1aa;line-height:1.4}
.q-ans-bar{
  display:flex;
  gap:4px;
  padding:6px 8px;
  background:#09090b;
  border-top:1px solid #27272a;
  border-radius:0 0 10px 10px;
  align-items:center
}
.q-ans-lbl{font-size:10px;font-weight:700;color:#52525b;margin-right:4px}
.q-ans-btn{
  width:26px;
  height:26px;
  border-radius:6px;
  border:1.5px solid #3f3f46;
  background:#18181b;
  color:#71717a;
  font-size:11px;
  font-weight:900;
  cursor:pointer;
  transition:0.15s;
  display:flex;
  align-items:center;
  justify-content:center
}
.q-ans-btn:hover{border-color:#22c55e;color:#22c55e}
.q-ans-btn.active{background:linear-gradient(135deg,#22c55e,#16a34a);border-color:#22c55e;color:white}

.pool-empty{
  text-align:center;
  padding:40px;
  color:#52525b
}
.pool-empty i{font-size:40px;margin-bottom:10px;display:block;color:#3f3f46}
.pool-empty h3{font-size:14px;font-weight:700;color:#71717a;margin-bottom:4px}

/* ─── FORM ─── */
.form-group{margin-bottom:14px}
.form-group label{
  display:block;
  font-size:11px;
  font-weight:700;
  color:#71717a;
  letter-spacing:1px;
  margin-bottom:6px;
  text-transform:uppercase
}
.form-input{
  width:100%;
  padding:12px 14px;
  background:#18181b;
  border:1px solid #27272a;
  border-radius:10px;
  color:#fafafa;
  font-size:14px;
  font-family:inherit;
  outline:none;
  transition:border-color 0.2s
}
.form-input:focus{border-color:#22c55e}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}

/* ─── MODAL ─── */
.modal{
  position:fixed;
  inset:0;
  background:rgba(0,0,0,0.9);
  z-index:9000;
  display:none;
  justify-content:center;
  align-items:center;
  padding:20px;
  backdrop-filter:blur(8px)
}
.modal-content{
  background:#18181b;
  border:1px solid #27272a;
  border-radius:20px;
  padding:24px;
  width:100%;
  max-width:540px;
  max-height:90vh;
  overflow-y:auto
}
.modal-title{
  font-size:16px;
  font-weight:800;
  color:#fafafa;
  margin-bottom:16px;
  display:flex;
  align-items:center;
  gap:10px
}
.modal-title i{color:#22c55e}
.modal-actions{display:flex;gap:10px;margin-top:18px}
.modal-btn{
  flex:1;
  padding:12px;
  border-radius:10px;
  border:none;
  font-size:13px;
  font-weight:700;
  cursor:pointer;
  transition:all 0.2s
}
.modal-btn.save{
  background:linear-gradient(135deg,#22c55e,#16a34a);
  color:white
}
.modal-btn.cancel{
  background:#27272a;
  color:#a1a1aa;
  border:1px solid #3f3f46
}
.modal-btn:hover{filter:brightness(1.1)}
.correct-group{display:flex;gap:6px}
.correct-btn{
  width:40px;
  height:36px;
  border-radius:8px;
  border:2px solid #27272a;
  background:#18181b;
  color:#71717a;
  font-size:14px;
  font-weight:900;
  cursor:pointer;
  transition:0.15s
}
.correct-btn:hover{border-color:#22c55e;color:#22c55e}
.correct-btn.active{background:#22c55e;border-color:#22c55e;color:white}

/* ─── STATS ─── */
.stats-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
  gap:14px;
  margin-bottom:24px
}
.stat-card{
  background:#18181b;
  border:1px solid #27272a;
  border-radius:14px;
  padding:20px;
  text-align:center
}
.stat-card-num{font-size:36px;font-weight:900;margin-bottom:4px}
.stat-card-lbl{font-size:11px;color:#71717a;font-weight:600}
.stat-row{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:10px 12px;
  border-bottom:1px solid #18181b;
  font-size:13px
}
.stat-row-name{color:#a1a1aa;flex:1}
.stat-row-val{color:#22c55e;font-weight:700;font-size:15px}

/* ─── PDF MODAL ─── */
.pdf-modal{
  position:fixed;
  inset:0;
  background:#000;
  z-index:9500;
  display:none;
  flex-direction:column
}
.pdf-modal-header{
  background:#18181b;
  padding:12px 16px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  border-bottom:2px solid #22c55e;
  flex-shrink:0
}
.pdf-modal-body{
  flex:1;
  overflow-y:auto;
  padding:20px;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:24px
}
.pdf-page-wrapper{
  position:relative;
  background:#fff;
  box-shadow:0 8px 32px rgba(0,0,0,0.5);
  max-width:100%
}
.pdf-page-wrapper canvas{display:block;max-width:100%;height:auto}
.crop-selection{
  position:absolute;
  border:2px solid #22c55e;
  background:rgba(34,197,94,0.15);
  cursor:move
}
.crop-box-tools{
  position:absolute;
  top:-32px;
  left:0;
  background:#18181b;
  display:flex;
  gap:2px;
  padding:3px;
  border-radius:6px;
  box-shadow:0 4px 12px rgba(0,0,0,0.5);
  border:1px solid #27272a
}
.crop-box-tools button{
  border:none;
  background:#27272a;
  font-size:10px;
  font-weight:800;
  padding:5px 8px;
  border-radius:4px;
  cursor:pointer;
  color:#a1a1aa;
  transition:0.15s
}
.crop-box-tools button:hover{background:#3f3f46;color:#fff}
.crop-box-tools button.active{background:#22c55e;color:#fff}
.crop-handle{
  position:absolute;
  width:12px;
  height:12px;
  background:#22c55e;
  border:2px solid #fff;
  border-radius:50%;
  z-index:1
}
.crop-handle.nw{top:-6px;left:-6px;cursor:nw-resize}
.crop-handle.ne{top:-6px;right:-6px;cursor:ne-resize}
.crop-handle.sw{bottom:-6px;left:-6px;cursor:sw-resize}
.crop-handle.se{bottom:-6px;right:-6px;cursor:se-resize}

/* ─── SAVE BAR ─── */
.save-bar{
  background:#18181b;
  border:1px solid #22c55e;
  border-radius:14px;
  padding:18px;
  margin-top:20px;
  display:none
}
.save-bar.show{display:block}
.save-bar-title{
  font-size:14px;
  font-weight:800;
  color:#fafafa;
  margin-bottom:14px;
  display:flex;
  align-items:center;
  gap:8px
}

/* ═══════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════ */
@media(max-width:768px){
  .hero{padding:40px 16px 30px}
  .hero h1{font-size:26px}
  .hero-desc{font-size:14px}
  .hero-stats{gap:20px}
  .quick-actions{grid-template-columns:1fr}
  .test-grid{grid-template-columns:1fr}
  .exam-grid{grid-template-columns:1fr}
  .solve-header{flex-wrap:wrap;gap:10px}
  .solve-right{width:100%;justify-content:space-between}
  .solve-body{padding:16px 12px 120px}
  .question-card{padding:18px}
  .choices{grid-template-columns:1fr 1fr;gap:6px}
  .choice-btn{padding:10px 12px;gap:8px}
  .choice-letter{width:30px;height:30px;font-size:14px}
  .choice-text{font-size:13px}
  .result-stats{grid-template-columns:1fr}
  .admin-tabs{flex-direction:column;gap:4px}
  .admin-tab{border-radius:10px}
  .pool-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr))}
  .form-row{grid-template-columns:1fr}
}

@media(max-width:480px){
  .logo-text{font-size:17px}
  .header-nav a span{display:none}
  .test-grid,.exam-grid{grid-template-columns:1fr}
  .hero-stats{flex-direction:column;gap:12px}
  .q-nav-inner{gap:6px}
  .q-nav-btn{width:34px;height:34px;font-size:12px}
}

/* ═══════════════════════════════════════════════════════
   DERSLER
   ═══════════════════════════════════════════════════════ */

.lesson-categories{
  display:flex;
  gap:8px;
  margin-bottom:20px;
  flex-wrap:wrap
}
.cat-btn{
  padding:8px 16px;
  border-radius:20px;
  border:1px solid #27272a;
  background:#18181b;
  color:#71717a;
  font-size:12px;
  font-weight:600;
  cursor:pointer;
  transition:all 0.2s
}
.cat-btn:hover{border-color:#3f3f46;color:#fafafa}
.cat-btn.active{background:#22c55e;border-color:#22c55e;color:#fff}

.lesson-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(280px,1fr));
  gap:16px
}
.lesson-card{
  background:#18181b;
  border:1px solid #27272a;
  border-radius:16px;
  overflow:hidden;
  text-decoration:none;
  color:inherit;
  transition:all 0.3s;
  display:block
}
.lesson-card:hover{
  transform:translateY(-4px);
  box-shadow:0 16px 48px rgba(0,0,0,0.5);
  border-color:#3b82f6
}
.lesson-card-img{
  height:140px;
  display:flex;
  align-items:center;
  justify-content:center;
  position:relative;
  overflow:hidden
}
.lesson-card-img img{
  width:100%;
  height:100%;
  object-fit:cover
}
.lesson-card-img i{font-size:48px;opacity:0.6}
.lesson-play{
  position:absolute;
  width:44px;
  height:44px;
  background:rgba(0,0,0,0.7);
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  font-size:18px;
  animation:pulse 2s infinite
}
.lesson-card-body{padding:16px}
.lesson-cat{
  display:inline-block;
  font-size:10px;
  font-weight:700;
  padding:4px 10px;
  border-radius:20px;
  margin-bottom:10px
}
.lesson-card h3{
  font-size:15px;
  font-weight:700;
  color:#fafafa;
  margin-bottom:8px;
  line-height:1.3
}
.lesson-card p{
  font-size:13px;
  color:#71717a;
  line-height:1.5;
  margin-bottom:12px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden
}
.lesson-meta{
  display:flex;
  gap:12px;
  font-size:11px;
  color:#52525b
}
.lesson-meta span{display:flex;align-items:center;gap:4px}

/* ═══════════════════════════════════════════════════════
   DERS DETAY SAYFASI
   ═══════════════════════════════════════════════════════ */

.lesson-detail{max-width:900px;margin:0 auto;padding:0 20px 60px}
.lesson-detail-container{background:#18181b;border:1px solid #27272a;border-radius:20px;overflow:hidden;margin-bottom:30px}
.lesson-hero{
  padding:40px 30px;
  position:relative;
  border-bottom:1px solid #27272a
}
.lesson-hero-img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  opacity:0.15
}
.lesson-hero-content{position:relative;z-index:1}
.lesson-back{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:#71717a;
  text-decoration:none;
  font-size:12px;
  font-weight:600;
  margin-bottom:16px;
  transition:color 0.2s
}
.lesson-back:hover{color:#fafafa}
.lesson-hero h1{
  font-size:28px;
  font-weight:900;
  color:#fafafa;
  margin-bottom:8px;
  line-height:1.2
}
.lesson-hero .lesson-desc{
  font-size:15px;
  color:#a1a1aa;
  max-width:600px
}
.lesson-body{padding:30px}
.lesson-video{
  position:relative;
  padding-bottom:56.25%;
  margin-bottom:24px;
  border-radius:12px;
  overflow:hidden;
  background:#000
}
.lesson-video iframe{
  position:absolute;
  top:0;
  left:0;
  width:100%;
  height:100%
}
.lesson-content{
  font-size:15px;
  color:#e4e4e7;
  line-height:1.8
}
.lesson-content h2{font-size:22px;font-weight:800;color:#fafafa;margin:24px 0 12px}
.lesson-content h3{font-size:18px;font-weight:700;color:#fafafa;margin:20px 0 10px}
.lesson-content p{margin-bottom:12px}
.lesson-content ul,.lesson-content ol{margin:12px 0;padding-left:24px}
.lesson-content li{margin-bottom:8px}
.lesson-content strong{color:#fafafa}
.lesson-content img{max-width:100%;border-radius:10px;margin:16px 0}

.related-tests{padding:0 20px;max-width:900px;margin:0 auto 40px}
.related-tests h3{
  font-size:18px;
  font-weight:800;
  color:#fafafa;
  margin-bottom:16px;
  display:flex;
  align-items:center;
  gap:10px
}
.related-tests h3 i{color:#22c55e}

/* ═══════════════════════════════════════════════════════
   SAYFA ŞABLONU
   ═══════════════════════════════════════════════════════ */

.page-container{max-width:900px;margin:0 auto;padding:0 20px 60px}
.page-content{background:#18181b;border:1px solid #27272a;border-radius:20px;overflow:hidden}
.page-hero{
  padding:30px;
  border-bottom:1px solid #27272a;
  background:linear-gradient(135deg,#18181b,#09090b)
}
.page-back{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:#71717a;
  text-decoration:none;
  font-size:12px;
  font-weight:600;
  margin-bottom:16px;
  transition:color 0.2s
}
.page-back:hover{color:#fafafa}
.page-hero h1{
  font-size:26px;
  font-weight:900;
  color:#fafafa;
  line-height:1.2
}
.page-body{padding:30px;font-size:15px;color:#e4e4e7;line-height:1.8}
.page-body h2{font-size:22px;font-weight:800;color:#fafafa;margin:24px 0 12px}
.page-body h3{font-size:18px;font-weight:700;color:#fafafa;margin:20px 0 10px}
.page-body p{margin-bottom:12px}
.page-body ul,.page-body ol{margin:12px 0;padding-left:24px}
.page-body li{margin-bottom:8px}
.page-body strong{color:#fafafa}
.page-body img{max-width:100%;border-radius:10px;margin:16px 0}

@keyframes pulse{0%,100%{opacity:1}50%{opacity:0.6}}