:root{
  --indigo:#4F46E5; --purple:#7C3AED; --bg:#F5F4FB; --card:#fff;
  --text:#1E2138; --soft:#6B7280; --faint:#9CA3AF; --border:#ECEAF6;
  --grad:linear-gradient(135deg,#6D5DF6,#4F46E5,#7C3AED);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  color:var(--text);line-height:1.5;
  background:linear-gradient(180deg,#EFECFA 0%,#F6F5FC 38%,#FBF2F7 100%);
  background-attachment:fixed;min-height:100vh}
a{color:var(--indigo)}
.row{display:flex;align-items:center}

/* ===== Liquid-glass site navbar (tier 1, sabit) ===== */
.sitebar{position:sticky;top:0;z-index:50;min-height:54px;box-sizing:border-box;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:9px max(14px,calc((100vw - 960px)/2));
  background:rgba(255,255,255,.68);
  backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);
  border-bottom:1px solid rgba(255,255,255,.5);box-shadow:0 4px 24px rgba(59,47,122,.06)}
.brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:16px;color:var(--text);text-decoration:none;flex-shrink:0}
.brand img{width:30px;height:30px;border-radius:9px}
.navlinks{display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.navlinks::-webkit-scrollbar{display:none}
.nlink{display:inline-flex;align-items:center;gap:6px;white-space:nowrap;border:0;background:none;cursor:pointer;
  color:var(--soft);font-weight:700;font-size:14px;padding:8px 13px;border-radius:999px;text-decoration:none;
  font-family:inherit;transition:background .15s,color .15s}
.nlink .ic{font-size:15px}
.nlink:hover{background:rgba(79,70,229,.09);color:var(--indigo)}
.nlink.on{background:linear-gradient(135deg,#4F46E5,#7C3AED);color:#fff;box-shadow:0 6px 16px rgba(79,70,229,.30)}
.nlink.dim{color:var(--faint);font-weight:600;font-size:13px}
.nlink.dim:hover{color:var(--indigo)}

/* ===== Bağlam satırı (tier 2, cam, geri + başlık) ===== */
.ctxbar{position:sticky;top:54px;z-index:45;
  background:rgba(255,255,255,.55);
  backdrop-filter:saturate(180%) blur(16px);-webkit-backdrop-filter:saturate(180%) blur(16px);
  border-bottom:1px solid rgba(255,255,255,.45)}
.ctx-in{display:flex;align-items:center;gap:11px;max-width:960px;margin:0 auto;padding:9px 14px}
.cback{flex-shrink:0;width:34px;height:34px;border-radius:11px;border:1px solid rgba(79,70,229,.18);
  background:rgba(255,255,255,.6);color:var(--indigo);font-size:22px;line-height:1;cursor:pointer;
  display:flex;align-items:center;justify-content:center}
.cback:active{transform:scale(.92)}
.ctx-t{flex:1;min-width:0}
.ctx-t h1{margin:0;font-size:16.5px;font-weight:800;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ctx-t .sub{font-size:12px;color:var(--soft);margin-top:1px}
.wrap{max-width:760px;margin:0 auto;padding:14px}
.card{background:rgba(255,255,255,.88);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  border-radius:16px;padding:16px;margin-bottom:12px;
  box-shadow:0 6px 18px rgba(59,47,122,.08);cursor:pointer;border:1px solid rgba(255,255,255,.7);
  transition:transform .18s,box-shadow .18s,border-color .18s}
.card:hover{border-color:rgba(124,58,237,.25);box-shadow:0 12px 28px rgba(59,47,122,.12)}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.badge{width:52px;height:52px;border-radius:15px;display:flex;align-items:center;justify-content:center;font-size:26px;flex-shrink:0}
.badge svg{width:28px;height:28px;fill:none;stroke:#fff;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.pill{font-size:12px;font-weight:700;padding:4px 10px;border-radius:999px;flex-shrink:0}

/* Dersler ekranı */
.welcome{padding:8px 2px 18px}
.welcome h2{margin:0 0 4px;font-size:23px;font-weight:900}
.welcome p{margin:0;color:var(--soft);font-size:14px}
.subjlist{display:flex;flex-direction:column;gap:12px}
.subjrow{display:flex;align-items:center;gap:15px;padding:15px 16px}
.subjrow:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(59,47,122,.14)}
.sb-body{flex:1;min-width:0}
.sb-body h3{margin:0;font-size:17.5px}
.sb-body p{margin:3px 0 0;color:var(--soft);font-size:13px}
.sb-chev{color:var(--faint);font-size:26px;font-weight:700;margin-left:2px}

/* geniş harita */
.mapwide{max-width:940px}
.tlist .card{display:flex;align-items:center;gap:12px}
.tnum{min-width:30px;height:30px;border-radius:9px;display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:13px;color:#fff}
.tlist .ttl{font-weight:700;font-size:15px;flex:1}
.chev{color:var(--faint);font-size:22px}
/* konu metni */
.topic h1{font-size:21px;margin:6px 0 8px;color:var(--indigo)}
.topic h2{font-size:18px;margin:18px 0 8px;border-left:4px solid var(--indigo);padding-left:10px}
.topic h3{font-size:15.5px;margin:12px 0 4px;color:var(--indigo)}
.topic p{font-size:15px;margin:6px 0}
.topic ul{margin:6px 0;padding-left:22px}
.topic li{font-size:15px;margin:3px 0}
.topic blockquote{border-left:4px solid var(--indigo);background:#eef0ff;margin:8px 0;
  padding:8px 12px;border-radius:8px;color:var(--soft);font-style:italic}
.topic table{border-collapse:collapse;width:100%;margin:10px 0;font-size:13.5px;
  border:1px solid #ddd6fe;border-radius:8px;overflow:hidden}
.topic th{background:#ede9fe;font-weight:800;color:var(--indigo)}
.topic th,.topic td{border:1px solid var(--border);padding:7px 9px;text-align:left}
.topic hr{border:0;border-top:1px solid var(--border);margin:14px 0}
.topic b{color:var(--text)}
.hl{background:#ddd6fe55;border:1.5px solid #a78bfa88;border-radius:8px;padding:2px 6px}
.btn{display:inline-block;background:var(--grad);color:#fff;border:0;border-radius:12px;
  padding:12px 16px;font-size:15px;font-weight:800;cursor:pointer;text-align:center}
.btn.ghost{background:var(--bg);color:var(--soft);border:1px solid var(--border)}
.btnrow{display:flex;gap:10px;margin-top:16px}
.btnrow .btn{flex:1}
/* harita */
.chips{display:flex;gap:8px;overflow-x:auto;padding:10px 14px;scrollbar-width:none}
.chips::-webkit-scrollbar{display:none}
.chip{white-space:nowrap;padding:9px 14px;border-radius:999px;background:var(--card);
  border:1px solid var(--border);font-size:13.5px;font-weight:700;cursor:pointer}
.chip.on{background:#0E9F73;border-color:#0E9F73;color:#fff}
.mapwrap{background:var(--card);border-radius:16px;padding:8px;box-shadow:0 6px 16px rgba(59,47,122,.07)}
.mapwrap svg{width:100%;height:auto;display:block}
.mapwrap path{stroke:#fff;stroke-width:.5;cursor:pointer}
.legend{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.legend .lg{display:flex;align-items:center;gap:6px;width:48%;font-size:13px}
.dot{width:13px;height:13px;border-radius:4px}
.sheet{position:fixed;left:0;right:0;bottom:0;z-index:30;
  background:rgba(255,255,255,.82);backdrop-filter:saturate(180%) blur(22px);-webkit-backdrop-filter:saturate(180%) blur(22px);
  border-top:1px solid rgba(255,255,255,.6);
  border-radius:24px 24px 0 0;box-shadow:0 -10px 40px rgba(20,18,40,.16);padding:14px 18px 22px;
  max-width:760px;margin:0 auto}
.sheet .handle{width:40px;height:4px;border-radius:2px;background:var(--border);margin:0 auto 12px}
.sheet h3{margin:0;font-size:19px}
.sheet .reg{color:#0E9F73;font-weight:700;font-size:13.5px}
.fact{display:flex;gap:8px;padding:8px 0;border-top:1px solid var(--border)}
.fact .ic{width:26px;text-align:center}
.fact .ft{font-size:12px;color:var(--faint);font-weight:700}
.fact .fl{font-size:14.5px;font-weight:700}
.x{background:var(--bg);border:0;width:34px;height:34px;border-radius:10px;cursor:pointer;font-size:15px;font-weight:800;color:var(--soft)}
/* test */
.opt{display:flex;align-items:center;gap:12px;background:var(--card);border:1.5px solid var(--border);
  border-radius:14px;padding:13px;margin-bottom:10px;cursor:pointer}
.opt .lt{width:30px;height:30px;border-radius:9px;background:var(--bg);display:flex;align-items:center;
  justify-content:center;font-weight:800;border:1px solid var(--border)}
.opt.ok{border-color:#10B981;background:#10B98115}.opt.ok .lt{background:#10B981;color:#fff;border-color:#10B981}
.opt.no{border-color:#EF4444;background:#EF444415}.opt.no .lt{background:#EF4444;color:#fff;border-color:#EF4444}
.qprog{height:6px;background:#eee;border-radius:4px;overflow:hidden;margin:10px 0}
.qprog>div{height:6px;background:var(--indigo)}
.explain{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:14px;margin-top:8px}
/* notlar */
.note{background:var(--card);border-radius:14px;padding:14px;margin-bottom:10px;box-shadow:0 4px 12px rgba(59,47,122,.06)}
.note .nt{font-weight:800}.note .nb{color:var(--soft);font-size:13.5px;margin-top:4px;white-space:pre-wrap}
.fab{position:fixed;right:18px;bottom:22px;background:var(--grad);color:#fff;border:0;border-radius:999px;
  padding:14px 20px;font-weight:800;font-size:15px;cursor:pointer;box-shadow:0 10px 26px rgba(79,70,229,.4);z-index:25}
input.f,textarea.f{width:100%;border:1px solid var(--border);border-radius:12px;padding:12px;font-size:15px;
  font-family:inherit;background:var(--card);color:var(--text)}
textarea.f{min-height:180px;resize:vertical}
.muted{color:var(--soft);text-align:center;padding:40px 20px}
.hint{color:var(--faint);font-size:12.5px;text-align:center;margin-top:14px}

/* Bağlam satırı sağ butonu (Not) */
.barbtn{flex-shrink:0;background:linear-gradient(135deg,#4F46E5,#7C3AED);border:0;color:#fff;font-size:13px;font-weight:800;
  padding:9px 15px;border-radius:999px;cursor:pointer;white-space:nowrap;box-shadow:0 4px 12px rgba(79,70,229,.3)}
.barbtn:active{transform:scale(.95)}

/* Kayan not çekmecesi (glass) */
.notepanel{position:fixed;inset:0;z-index:100;pointer-events:none}
.np-back{position:absolute;inset:0;background:rgba(20,18,40,.28);opacity:0;transition:opacity .3s;pointer-events:none}
.np-sheet{position:absolute;top:0;right:0;height:100%;width:420px;max-width:94vw;pointer-events:auto;
  display:flex;flex-direction:column;
  background:linear-gradient(165deg,rgba(255,255,255,.92),rgba(246,244,251,.82));
  backdrop-filter:blur(28px) saturate(1.7);-webkit-backdrop-filter:blur(28px) saturate(1.7);
  border-left:1px solid rgba(255,255,255,.65);box-shadow:-24px 0 70px rgba(20,18,40,.28);
  transform:translateX(101%);transition:transform .38s cubic-bezier(.2,.7,.2,1)}
.notepanel.open .np-back{opacity:1}
.notepanel.open .np-sheet{transform:none}

.np-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px 12px}
.np-title{font-size:19px;font-weight:900;color:var(--text)}
.np-title span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.np-x{background:rgba(0,0,0,.05);border:0;width:36px;height:36px;border-radius:11px;font-size:16px;cursor:pointer;color:var(--soft)}
.np-x:active{transform:scale(.92)}
.np-tt{font-size:12.5px;color:var(--soft);font-weight:700;padding:0 20px 12px;border-bottom:1px solid var(--border)}

.np-tools{display:flex;flex-wrap:wrap;gap:6px;align-items:center;padding:12px 18px}
.np-sel{font-weight:700;font-size:13px;border:1.5px solid var(--border);border-radius:9px;padding:7px 8px;background:#fff;color:var(--text);cursor:pointer}
.np-tools button{min-width:34px;height:34px;border:1.5px solid var(--border);background:#fff;border-radius:9px;
  cursor:pointer;font-size:15px;color:var(--text);display:inline-flex;align-items:center;justify-content:center;padding:0 9px}
.np-tools button:active{transform:scale(.9)}
.np-sep{width:1px;height:24px;background:var(--border);margin:0 3px}
.np-cols{display:flex;gap:6px;margin-left:auto}
.np-cols .sw{width:24px;height:24px;min-width:24px;border-radius:50%;border:2px solid #fff;box-shadow:0 0 0 1px var(--border);padding:0;cursor:pointer}
.np-cols .sw:active{transform:scale(.85)}

.np-surface{flex:1;margin:4px 18px 0;border:1px solid var(--border);border-radius:14px;overflow:hidden;background:#fff}
.np-editor{height:100%;overflow:auto;padding:16px;outline:none;font-size:15.5px;line-height:1.65;color:var(--text)}
.np-editor:empty:before{content:attr(data-ph);color:var(--faint)}
.np-editor h2{font-size:20px;color:var(--indigo);margin:8px 0 4px;font-weight:800}
.np-editor h3{font-size:16.5px;color:var(--indigo);margin:8px 0 4px;font-weight:800}
.np-editor ul,.np-editor ol{margin:6px 0 6px 22px}

.np-meta{display:flex;justify-content:space-between;padding:8px 22px 0;font-size:12px;color:var(--faint)}
.np-meta .np-saved{color:#16a34a;font-weight:700}
.np-foot{display:flex;gap:10px;padding:14px 18px}
.np-foot button{font-weight:800;font-size:15px;padding:13px;border-radius:13px;border:0;cursor:pointer}
.np-foot .np-save{flex:1;background:var(--grad);color:#fff;box-shadow:0 8px 20px -6px rgba(79,70,229,.6)}
.np-foot .np-pdf{background:var(--bg);border:1.5px solid var(--border);color:var(--soft)}
.np-foot button:active{transform:scale(.97)}
@media(max-width:520px){.np-sheet{width:100%;max-width:100%}.np-back{background:rgba(20,18,40,.4)}}

/* ============ v4: test/deneme/hızlı tekrar + responsive ============ */
.tblwrap{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:10px 0}
.tblwrap table{margin:0}
.qtext{font-size:17px;font-weight:700;margin:12px 0 16px;line-height:1.45}
.qtext b,.opt b,.wq b{color:var(--indigo)}

/* test home */
.feature{display:flex;align-items:center;gap:14px;background:var(--grad);color:#fff;padding:16px}
.feature.alt{background:linear-gradient(135deg,#0EA5E9,#2563EB)}
.feature h3{margin:0;font-size:17px;color:#fff}
.feature p{margin:3px 0 0;font-size:12.5px;color:rgba(255,255,255,.85)}
.feature .ft-ic{font-size:28px;width:48px;height:48px;background:rgba(255,255,255,.18);border-radius:14px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.feature .sb-chev{color:#fff;font-size:26px}
.secttl{font-size:13px;font-weight:800;color:var(--faint);text-transform:uppercase;letter-spacing:.4px;margin:18px 2px 10px}
.trow{display:flex;align-items:center;gap:12px}
.trow .ttl{font-weight:700;font-size:15.5px}
.trow .sub2{font-size:12.5px;color:var(--soft)}

/* konu konu test kartı */
.ttcard{padding:13px 15px}
.tt-top{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.tt-name{font-weight:700;font-size:14.5px}
.tt-btns{display:flex;gap:9px;flex-wrap:wrap}
.ttbtn{flex:1;min-width:120px;background:var(--bg);border:1.5px solid var(--border);border-radius:11px;
  padding:10px;font-weight:800;font-size:14px;color:var(--indigo);cursor:pointer}
.ttbtn small{color:var(--faint);font-weight:700}
.ttbtn:active{transform:scale(.97)}

/* seçili şık (deneme) */
.opt.sel{border-color:var(--indigo);background:#eef0ff}.opt.sel .lt{background:var(--indigo);color:#fff;border-color:var(--indigo)}

/* sonuç halkası */
.resultwrap{text-align:center;padding-top:28px}
.ring{--p:0;width:170px;height:170px;border-radius:50%;margin:0 auto 8px;
  background:conic-gradient(var(--indigo) calc(var(--p)*1%),#e9e7f7 0);
  display:flex;align-items:center;justify-content:center}
.ring-in{width:132px;height:132px;border-radius:50%;background:var(--card);display:flex;flex-direction:column;
  align-items:center;justify-content:center;box-shadow:inset 0 2px 8px rgba(0,0,0,.05)}
.ring-n{font-size:34px;font-weight:900;color:var(--indigo);line-height:1}
.ring-p{font-size:13px;font-weight:800;color:var(--soft);margin-top:4px;letter-spacing:1px}
.result-msg{font-size:18px;font-weight:800;margin:16px 0 22px}
.netrow{display:flex;gap:8px;justify-content:center;margin:6px 0 20px;flex-wrap:wrap}
.nb{font-size:13.5px;font-weight:800;padding:7px 13px;border-radius:999px}
.nb.ok{background:#10B98118;color:#0E9F73}.nb.no{background:#EF444418;color:#DC2626}.nb.bl{background:#9CA3AF22;color:#6B7280}

/* deneme listesi */
.examgrid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.examcard{display:flex;align-items:center;gap:12px;margin:0;padding:14px}
.ex-no{width:40px;height:40px;border-radius:12px;background:var(--grad);color:#fff;font-weight:900;font-size:17px;
  display:flex;align-items:center;justify-content:center;flex-shrink:0}
.ex-t{font-weight:800;font-size:15px}.ex-s{font-size:12px;color:var(--soft);margin-top:2px}
.ex-body{flex:1;min-width:0}

/* yanlış kartı */
.wcard{text-align:left;padding:14px}
.wq{font-size:15px;font-weight:700;margin:8px 0 10px}
.wa{font-size:13.5px;padding:7px 11px;border-radius:9px;margin-top:6px;font-weight:600}
.wa.no{background:#EF444412;color:#DC2626}.wa.ok{background:#10B98112;color:#0E9F73}

/* hızlı tekrar kartı (tarih listesi) */
.hzcard{display:flex;align-items:center;gap:14px;background:linear-gradient(135deg,#FFF7ED,#FEF3E2);border:1.5px solid #FED7AA}
.hzcard h3{margin:0;font-size:16px;color:#B45309}.hzcard p{margin:2px 0 0;font-size:12.5px;color:#C2703A}
.hzcard .badge{color:#fff;font-size:22px}

/* padişahlar */
.era{margin-bottom:20px}
.era-h{display:flex;justify-content:space-between;align-items:baseline;background:var(--grad);color:#fff;
  padding:10px 15px;border-radius:12px;font-weight:900;font-size:15px;margin-bottom:10px}
.era-y{font-size:12.5px;opacity:.85;font-weight:700}
.pcard{background:var(--card);border-radius:14px;padding:13px 15px;margin-bottom:9px;box-shadow:0 4px 12px rgba(59,47,122,.06)}
.pc-h{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin-bottom:8px}
.pno{width:26px;height:26px;border-radius:8px;background:#EA7B0E;color:#fff;font-weight:900;font-size:13px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.pname{font-weight:900;font-size:15px;flex:1;min-width:0}
.pstar{font-size:11px}
.preign{font-size:12px;color:var(--soft);font-weight:700}
.pf{display:flex;gap:8px;padding:5px 0;border-top:1px dashed var(--border);font-size:13.5px}
.pf-l{font-weight:800;color:var(--indigo);min-width:70px;flex-shrink:0}
.pf-v{flex:1}
.pf.imp{background:#fff7ed;margin:0 -8px;padding:6px 8px;border-radius:8px;border-top:0}
.pnote{background:#eef0ff;border-left:4px solid var(--indigo);padding:9px 13px;border-radius:10px;
  font-size:13.5px;font-weight:600;color:var(--soft);margin-bottom:9px}

/* ============ TABLET / geniş ekran ============ */
@media(min-width:760px){
  .wrap{max-width:820px}
  .subjlist{display:grid;grid-template-columns:1fr 1fr;gap:14px}
  .tlist{display:grid;grid-template-columns:1fr 1fr;gap:12px}
  .tlist .card{margin-bottom:0}
  .examgrid{grid-template-columns:1fr 1fr 1fr}
  .topic{font-size:16px}
  .topic p,.topic li{font-size:16px}
  .tabs{max-width:820px;margin:0 auto}
}
@media(min-width:1040px){
  .wrap{max-width:960px}
  .subjlist{grid-template-columns:1fr 1fr 1fr}
  .examgrid{grid-template-columns:repeat(4,1fr)}
  .tabs{max-width:960px}
}