:root{
  --y:#FFC72C; --k:#111111; --w:#FFFFFF;
  --font:'Plus Jakarta Sans',system-ui,-apple-system,'Segoe UI',sans-serif;
  --disp:'Barlow Condensed','Arial Narrow',sans-serif;
  --stripe:repeating-linear-gradient(-45deg,#111 0 10px,#FFC72C 10px 20px);
  /* tema (C varsayılan) */
  --bg:#FAFAF7; --ink:#111111; --muted:#555555; --head:#FFFFFF; --head-ink:#111111; --head-sub:#555555;
  --card:#FFFFFF; --line:#111111; --soft-line:#E2DED0; --primary:#111111; --primary-ink:#FFC72C;
  --track:#ECE8DA; --fill:#FFC72C; --stat:#F3F0E6; --stat-ink:#111111; --badge:#FFF4D1; --badge-ink:#111111;
  --badge-line:#111111; --label:#8A6A00; --icon:#111111; --nav:#FFFFFF; --nav-on:#111111; --nav-off:#6B6B6B;
  --opt:#FFFFFF; --opt-line:#D9D4C4; --opt-key:#F1EEE3;
  --ok-bg:#E5F4EA; --ok-line:#14804A; --ok-ink:#0F5C36; --bad-bg:#FDECEC; --bad-line:#C62828; --bad-ink:#8E1B1B;
  --sel-bg:#FFF4D1; --sel-line:#111111;
}
body[data-lv="B"]{
  --bg:#FFF8E1; --head:#FFC72C; --head-sub:#3A3000; --stat:#111111; --stat-ink:#FFFFFF; --badge:#111111; --badge-ink:#FFC72C;
  --label:#3A3000; --fill:#111111; --track:#F5E7B8; --soft-line:#EADCA8; --nav-off:#6E6030; --opt-key:#FFF1C2; --opt-line:#E5D6A0;
}
body[data-lv="A"]{
  --bg:#0E0E0E; --ink:#F5F5F5; --muted:#BDBDBD; --head:#111111; --head-ink:#FFFFFF; --head-sub:#BDBDBD;
  --card:#1A1A1A; --line:#333333; --soft-line:#2A2A2A; --primary:#FFC72C; --primary-ink:#111111;
  --track:#333333; --fill:#FFC72C; --stat:#1E1E1E; --stat-ink:#FFFFFF; --badge:#FFC72C; --badge-ink:#111111; --badge-line:#FFC72C;
  --label:#FFC72C; --icon:#FFC72C; --nav:#111111; --nav-on:#FFC72C; --nav-off:#9A9A9A;
  --opt:#1A1A1A; --opt-line:#333333; --opt-key:#262626;
  --ok-bg:#10301E; --ok-line:#2FBF71; --ok-ink:#9BE7BC; --bad-bg:#3A1414; --bad-line:#E5484D; --bad-ink:#FFB3B5;
  --sel-bg:#3A300A; --sel-line:#FFC72C;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:#1b1b1b;color:var(--ink);font-family:var(--font);-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent}
button,input{font:inherit;color:inherit}
button{cursor:pointer}
a{color:inherit}
img{max-width:100%}
:focus-visible{outline:3px solid #2F7DE1;outline-offset:2px}
.app{max-width:480px;margin:0 auto;min-height:100vh;min-height:100dvh;background:var(--bg);display:flex;flex-direction:column;position:relative;overflow-x:hidden}
@media (min-width:520px){.app{box-shadow:0 0 0 1px #000,0 20px 60px rgba(0,0,0,.5)}}
.disp{font-family:var(--disp);font-weight:800;text-transform:uppercase;letter-spacing:.2px;line-height:.98}
.muted{color:var(--muted)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.stripe{height:10px;background:var(--stripe);flex-shrink:0}

/* butonlar */
.btn{display:flex;align-items:center;justify-content:center;gap:8px;min-height:54px;border-radius:12px;border:none;font-weight:800;font-size:16px;text-decoration:none;padding:0 18px;width:100%}
.btn-y{background:var(--y);color:#111}
.btn-k{background:#111;color:var(--y)}
.btn-p{background:var(--primary);color:var(--primary-ink)}
.btn-o{background:transparent;border:1.5px solid var(--line);color:var(--ink);font-weight:700}
.btn-o.on-dark{border-color:#3A3A3A;color:#fff}
.btn:disabled{opacity:.45;cursor:not-allowed}
.icon-btn{width:44px;height:44px;border-radius:12px;border:2px solid currentColor;background:transparent;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}
.link{background:none;border:none;padding:0;font-weight:800;text-decoration:underline;text-underline-offset:3px}

/* kapak */
.cover{flex:1;background:var(--y);color:#111;display:flex;flex-direction:column;position:relative;overflow:hidden;min-height:100dvh}
.cover .ring{position:absolute;border-radius:50%;border:2px solid rgba(17,17,17,.1)}
.cover-top{padding:calc(env(safe-area-inset-top) + 40px) 24px 0;display:flex;justify-content:space-between;align-items:center;position:relative}
.chip{font-size:11px;font-weight:800;letter-spacing:2.5px}
.chip-b{border:2px solid #111;border-radius:999px;padding:4px 10px;letter-spacing:2px}
.cover-logo{display:flex;justify-content:center;padding:36px 20px 20px;position:relative}
.cover-logo img{width:min(340px,86%);filter:drop-shadow(0 14px 18px rgba(0,0,0,.18))}
.cover-bottom{margin-top:auto;background:#111;color:#fff;border-radius:32px 32px 0 0;padding:28px 24px calc(env(safe-area-inset-bottom) + 28px);display:flex;flex-direction:column;gap:12px;position:relative}
.cover-bottom h1{margin:0;font-size:clamp(34px,11vw,44px);color:#fff}
.cover-bottom h1 span{color:var(--y)}
.cover-bottom p{margin:0;color:#C9C9C9;line-height:1.55;font-size:15px}
.cover-note{font-size:12.5px;color:#9A9A9A;text-align:center;margin:0}
.cover-note b{color:#fff}

/* başlık bölgesi */
.head{background:var(--head);color:var(--head-ink);padding:calc(env(safe-area-inset-top) + 22px) 20px 18px;display:flex;flex-direction:column;gap:14px}
.head-row{display:flex;align-items:center;gap:12px}
.badge{width:56px;height:56px;border-radius:14px;background:var(--badge);color:var(--badge-ink);border:2px solid var(--badge-line);display:flex;align-items:center;justify-content:center;font-family:var(--disp);font-weight:800;font-size:34px;flex-shrink:0}
.lbl{font-size:11px;font-weight:800;letter-spacing:1.8px;color:var(--label)}
.ttl{font-family:var(--disp);font-weight:800;font-size:30px;line-height:1;text-transform:uppercase}
.eyes{display:flex;align-items:center;gap:6px}
.eyes i{width:22px;height:8px;border-radius:999px;background:var(--soft-line)}
body[data-lv="B"] .eyes i{background:#E5B21F}
body[data-lv="A"] .eyes i{background:#3A3A3A}
.eyes i.on{background:var(--head-ink)}
body[data-lv="A"] .eyes i.on{background:var(--y)}
.motto{margin-left:6px;font-size:14px;font-weight:600;color:var(--head-sub)}
.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.stat{background:var(--stat);color:var(--stat-ink);border-radius:12px;padding:10px 12px;display:flex;flex-direction:column;gap:2px}
.stat b{font-size:20px;font-weight:800}
.stat span{font-size:12px;opacity:.75}

/* gövde */
.body{padding:18px 20px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.card{background:var(--card);border:2px solid var(--line);border-radius:18px;padding:16px;display:flex;flex-direction:column;gap:12px}
.row{display:flex;justify-content:space-between;align-items:baseline;gap:10px}
.track{height:10px;background:var(--track);border-radius:999px;overflow:hidden}
.track>i{display:block;height:100%;background:var(--fill);border-radius:999px;transition:width .4s}
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.tile{background:var(--card);border:2px solid var(--line);border-radius:16px;padding:16px;display:flex;flex-direction:column;gap:10px;text-decoration:none;color:var(--ink);text-align:left;min-height:104px}
.tile b{font-size:15px;font-weight:800}
.tile small{font-size:12.5px;color:var(--muted)}
.tile svg{color:var(--icon)}
.sec-t{font-weight:800;font-size:15px;margin:6px 0 0}

/* alt menü */
.nav{position:sticky;bottom:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));background:var(--nav);border-top:1px solid var(--soft-line);padding:6px 6px calc(env(safe-area-inset-bottom) + 10px);z-index:5}
.nav button{background:none;border:none;display:flex;flex-direction:column;align-items:center;gap:3px;padding:6px 0;font-size:12px;font-weight:600;color:var(--nav-off);min-height:52px}
.nav button.on{color:var(--nav-on);font-weight:800}

/* üst çubuk (iç sayfalar) */
.bar{background:var(--head);color:var(--head-ink);padding:calc(env(safe-area-inset-top) + 16px) 16px 14px;display:flex;align-items:center;gap:12px}
.bar h1{margin:0;font-family:var(--disp);font-weight:800;font-size:26px;text-transform:uppercase;line-height:1}
.bar .sub{font-size:12px;font-weight:700;color:var(--head-sub);letter-spacing:.3px}

/* seviye seçimi */
.lvl-card{border:2px solid #111;border-radius:18px;padding:16px;display:flex;align-items:center;gap:14px;text-align:left;width:100%}
.lvl-card .badge{border-width:2px}
.lvl-card b{font-size:18px;font-weight:800;display:block}
.lvl-card small{font-size:13px;display:block}
.lvl-card .k{font-size:11.5px;font-weight:800;letter-spacing:1.5px;display:block}

/* konu listesi */
.topic{background:var(--card);border:2px solid var(--line);border-radius:16px;padding:14px 16px;display:flex;flex-direction:column;gap:10px;text-align:left;width:100%;color:var(--ink)}
.topic .row b{font-size:15px;font-weight:800}
.topic .row span{font-size:12.5px;color:var(--muted);white-space:nowrap}

/* soru ekranı */
.qhead{display:flex;align-items:center;gap:10px}
.qhead .grow{flex:1;min-width:0}
.qhead .grow small{display:block;font-size:12.5px;color:var(--head-sub);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.qhead .grow b{font-size:16px;font-weight:800}
.timer{display:flex;align-items:center;gap:6px;background:#111;color:#fff;border-radius:999px;padding:8px 12px;font-weight:800;font-size:14px;font-variant-numeric:tabular-nums}
body[data-lv="A"] .timer{background:var(--y);color:#111}
.timer.low{background:#C62828;color:#fff}
.qtext{font-size:18.5px;font-weight:700;line-height:1.42;margin:2px 0 0}
.qimg{display:flex;justify-content:center;background:#fff;border-radius:16px;padding:12px;border:2px solid var(--line)}
.qimg img{max-height:150px}
.opts{display:flex;flex-direction:column;gap:10px}
.opt{display:flex;align-items:center;gap:12px;min-height:56px;padding:10px 12px;border-radius:14px;background:var(--opt);border:2px solid var(--opt-line);text-align:left;font-size:15px;font-weight:600;line-height:1.35;width:100%;color:var(--ink)}
.opt .k{width:32px;height:32px;border-radius:9px;background:var(--opt-key);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px;flex-shrink:0}
.opt .t{flex:1}
.opt.sel{background:var(--sel-bg);border-color:var(--sel-line)}
.opt.sel .k{background:var(--sel-line);color:var(--bg)}
.opt.ok{background:var(--ok-bg);border-color:var(--ok-line);color:var(--ok-ink)}
.opt.ok .k{background:var(--ok-line);color:#fff}
.opt.bad{background:var(--bad-bg);border-color:var(--bad-line);color:var(--bad-ink)}
.opt.bad .k{background:var(--bad-line);color:#fff}
.opt:disabled{cursor:default}
.expl{border-radius:16px;padding:14px 16px;display:flex;flex-direction:column;gap:6px;border:2px solid var(--ok-line);background:var(--ok-bg);color:var(--ok-ink)}
.expl.bad{border-color:var(--bad-line);background:var(--bad-bg);color:var(--bad-ink)}
.expl b{font-size:14px;font-weight:800}
.expl span{font-size:14.5px;line-height:1.55;color:var(--ink)}
.qfoot{position:sticky;bottom:0;background:var(--bg);padding:12px 20px calc(env(safe-area-inset-bottom) + 14px);display:flex;gap:10px;border-top:1px solid var(--soft-line);z-index:4}
.qgrid{display:grid;grid-template-columns:repeat(10,minmax(0,1fr));gap:6px}
.qgrid button{aspect-ratio:1;border-radius:8px;border:1.5px solid var(--opt-line);background:var(--opt);font-size:12px;font-weight:800;color:var(--ink);padding:0;min-height:28px}
.qgrid button.done{background:var(--fill);border-color:var(--fill);color:var(--primary-ink)}
body[data-lv="C"] .qgrid button.done{color:#111}
body[data-lv="B"] .qgrid button.done{color:#FFC72C}
.qgrid button.cur{outline:2px solid var(--ink);outline-offset:1px}
.qgrid button.ok{background:var(--ok-line);border-color:var(--ok-line);color:#fff}
.qgrid button.bad{background:var(--bad-line);border-color:var(--bad-line);color:#fff}

/* sonuç */
.score{display:flex;flex-direction:column;align-items:center;gap:10px;background:var(--head);color:var(--head-ink);padding:calc(env(safe-area-inset-top) + 26px) 20px 22px}
.ring-wrap{position:relative;width:170px;height:170px}
.ring-wrap .c{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}
.ring-wrap .c b{font-family:var(--disp);font-size:52px;font-weight:800;line-height:1}
.pass{font-weight:800;font-size:13px;letter-spacing:1px;border-radius:999px;padding:6px 14px}
.pass.y{background:#14804A;color:#fff}
.pass.n{background:#C62828;color:#fff}
.mini3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;width:100%}
.review{display:flex;flex-direction:column;gap:10px}
.rv{background:var(--card);border:2px solid var(--soft-line);border-radius:14px;padding:12px 14px;display:flex;flex-direction:column;gap:6px;font-size:14px;line-height:1.45}
.rv .tag{font-size:11px;font-weight:800;letter-spacing:1px}
.rv .tag.ok{color:var(--ok-line)}.rv .tag.bad{color:var(--bad-line)}.rv .tag.empty{color:var(--muted)}
.rv .a{font-weight:700}

/* grafik */
.bars{display:flex;align-items:flex-end;gap:6px;height:120px;padding-top:6px}
.bars div{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;height:100%;justify-content:flex-end}
.bars i{display:block;width:100%;max-width:26px;border-radius:6px 6px 2px 2px;background:var(--fill);min-height:4px}
.bars i.n{background:var(--bad-line)}
.bars span{font-size:10.5px;color:var(--muted);font-weight:700}
.empty{color:var(--muted);font-size:14px;text-align:center;padding:18px 8px}

/* form */
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:13px;font-weight:700;color:var(--muted)}
.field input{height:50px;border-radius:12px;border:2px solid var(--line);background:var(--card);padding:0 14px;font-size:16px;color:var(--ink)}
.seg{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;background:var(--stat);padding:5px;border-radius:14px}
.seg button{min-height:44px;border-radius:10px;border:none;background:transparent;font-weight:800;color:var(--stat-ink)}
.seg button.on{background:var(--y);color:#111}

/* modal & toast */
.modal{position:fixed;inset:0;background:rgba(0,0,0,.55);display:flex;align-items:flex-end;justify-content:center;z-index:50;padding:16px}
.modal[hidden]{display:none}
.sheet{background:var(--card);color:var(--ink);border-radius:20px;max-width:440px;width:100%;padding:20px;display:flex;flex-direction:column;gap:12px;border:2px solid var(--line);margin-bottom:env(safe-area-inset-bottom)}
.sheet h2{margin:0;font-size:20px;font-weight:800}
.sheet p{margin:0;line-height:1.5;color:var(--muted)}
@media (min-width:520px){.modal{align-items:center}}
.toast{position:fixed;left:50%;bottom:90px;transform:translateX(-50%);background:#111;color:#fff;border:2px solid var(--y);border-radius:12px;padding:12px 16px;font-weight:700;font-size:14px;z-index:60;max-width:90vw}
.toast[hidden]{display:none}
.foot-note{font-size:12px;color:var(--muted);text-align:center;line-height:1.5;margin:6px 0 0}

.lbl.osym{width:fit-content;align-self:flex-start;display:inline-block;margin-left:6px;background:var(--badge);color:var(--badge-ink);padding:2px 6px;border-radius:4px;letter-spacing:1px}

.steps{margin:4px 0 14px;padding-left:22px;display:grid;gap:8px;line-height:1.45}
.steps li::marker{font-weight:800}
.kbd{display:inline-block;border:1.5px solid currentColor;border-radius:6px;padding:0 6px;font-size:12px}
.btn svg{vertical-align:-3px;margin-right:4px}

.field select{height:50px;border-radius:12px;border:2px solid var(--line);background:var(--card);padding:0 12px;font-size:16px;color:var(--ink)}
.chk{display:flex;gap:10px;align-items:flex-start;font-size:14px;line-height:1.5;color:var(--ink)}
.chk input{width:22px;height:22px;flex-shrink:0;margin-top:1px;accent-color:#111}
.lnk{background:none;border:none;padding:0;font:inherit;font-weight:800;color:var(--ink);text-decoration:underline;text-underline-offset:3px;cursor:pointer}
.err{margin:0;color:var(--bad-ink);background:var(--bad-bg);border:1.5px solid var(--bad-line);border-radius:10px;padding:10px 12px;font-size:14px;font-weight:600}
.kvkk{max-height:55vh;overflow:auto;display:flex;flex-direction:column;gap:8px;font-size:14px;line-height:1.55}
.kvkk h3{margin:6px 0 0;font-size:15px}
.kvkk p{margin:0}