*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
:root{
  --bg:#f6f7fb;--card:#fff;--text:#1b1d2a;--muted:#6b7086;--line:#e3e5ef;
  --acc:#4f46e5;--acc2:#eef0ff;--ink:#fff;
  --ok:#16a34a;--okbg:#dcfce7;--bad:#dc2626;--badbg:#fee2e2;--warn:#b45309;
  --r:18px;
}
[data-theme=dark]{
  --bg:#0f1020;--card:#191a2e;--text:#eceefb;--muted:#9a9fba;--line:#2a2c47;
  --acc:#8b86ff;--acc2:#23244a;--ink:#10112a;
  --ok:#4ade80;--okbg:#12341f;--bad:#f87171;--badbg:#3b1717;--warn:#fbbf24;
}
html,body{margin:0;height:100%;background:var(--bg);color:var(--text);
  font:16px/1.4 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;overscroll-behavior:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
h1{font-size:26px;margin:0}
h2{font-size:20px;margin:0 0 6px}
h3{font-size:17px;margin:0}
p{margin:4px 0}
.muted{color:var(--muted);font-size:14px}
.ic{display:block;flex:none}

#app{display:flex;flex-direction:column;height:100dvh;max-width:640px;margin:0 auto;position:relative}
#view{flex:1;min-height:0;overflow-y:auto;padding:16px 16px 28px;padding-top:max(16px,env(safe-area-inset-top))}
#view.isquiz{display:flex;flex-direction:column;overflow-y:auto}
#nav{display:flex;border-top:1px solid var(--line);background:var(--card);padding-bottom:env(safe-area-inset-bottom)}
#nav button{flex:1;border:0;background:none;color:var(--muted);padding:8px 0 6px;font-size:12px;
  display:flex;flex-direction:column;align-items:center;gap:3px;min-height:58px}
#nav button.on{color:var(--acc);font-weight:600}
body.inquiz #nav{display:none}
#pill{position:absolute;left:50%;transform:translateX(-50%);bottom:calc(70px + env(safe-area-inset-bottom));
  background:var(--text);color:var(--bg);padding:8px 14px;border-radius:99px;font-size:13px;z-index:5;
  box-shadow:0 4px 14px rgba(0,0,0,.25);white-space:nowrap}
body.inquiz #pill{display:none}

.top{display:flex;align-items:center;gap:10px;margin-bottom:14px;min-height:44px}
.top h1{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.top.big h1{font-size:28px}

.icon{border:0;background:none;color:var(--muted);width:44px;height:44px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;flex:none;padding:0}
.icon:active{background:var(--acc2)}
.icon.round{background:var(--acc2);color:var(--acc);width:52px;height:52px}

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:14px 16px}
button.card{width:100%;text-align:left;display:block;margin-bottom:10px}
button.card:active{background:var(--acc2)}
.list h3{margin-bottom:2px}
.pbar,.meter{height:8px;border-radius:99px;background:var(--line);overflow:hidden}
.pbar i,.meter i{display:block;height:100%;background:var(--acc);border-radius:99px;transition:width .3s}
.meter{margin-top:8px}
.meter.stack{display:flex}
.meter.stack i{border-radius:0}

.btn{border:2px solid var(--line);background:var(--card);border-radius:16px;min-height:52px;padding:10px 16px;
  font-weight:600;display:inline-flex;align-items:center;justify-content:center;gap:8px;text-decoration:none;color:var(--text)}
.btn:active{filter:brightness(.95)}
.btn.primary{background:var(--acc);border-color:var(--acc);color:var(--ink)}
.btn.danger{color:var(--bad);border-color:var(--badbg)}
.btn.ghost{background:none}
.btn.big{width:100%;min-height:58px;font-size:18px;border-radius:18px}
.btn[disabled]{opacity:.5}
.btnrow{display:flex;gap:10px;margin:10px 0;flex-wrap:wrap}
.btnrow>*{flex:1;min-width:130px}
.actions{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:12px}
.actions .btn{flex-direction:column;gap:4px;font-size:12px;min-height:72px;padding:8px 2px;text-align:center}

.wrow{display:flex;align-items:center;gap:6px;padding:4px 8px 4px 2px;border-bottom:1px solid var(--line);cursor:pointer;min-height:64px}
.wrow .wt{flex:1;min-width:0;display:flex;flex-direction:column}
.wrow .wt b{font-size:18px}
.wrow .wt span{color:var(--muted);font-size:15px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.wrow em{font-style:normal;font-size:14px}
em.warn{color:var(--warn)}
.dot{width:12px;height:12px;border-radius:50%;background:var(--line);flex:none}
.dot.learning{background:#f59e0b}
.dot.learned{background:var(--ok)}
.tag{font-size:11px;border-radius:99px;padding:2px 8px;font-weight:600}
.tag.bad{background:var(--badbg);color:var(--bad)}
.wlist{margin-top:6px}
.empty{text-align:center;padding:40px 16px;color:var(--muted)}
.empty h3{color:var(--text);margin-bottom:6px}

label.lbl{display:block;font-size:13px;font-weight:600;color:var(--muted);margin:14px 0 6px;text-transform:uppercase;letter-spacing:.04em}
.field{width:100%;min-height:52px;border:2px solid var(--line);background:var(--card);border-radius:14px;padding:10px 14px;font-size:17px}
.field:focus{outline:none;border-color:var(--acc)}
.seg{display:flex;gap:6px;background:var(--line);padding:4px;border-radius:14px}
.seg button{flex:1;border:0;background:none;border-radius:11px;min-height:44px;font-weight:600;color:var(--muted)}
.seg button.on{background:var(--card);color:var(--acc);box-shadow:0 1px 4px rgba(0,0,0,.12)}
.modes{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.modes button{border:2px solid var(--line);background:var(--card);border-radius:16px;padding:12px;text-align:left;min-height:76px}
.modes button.on{border-color:var(--acc);background:var(--acc2)}
.modes b{display:block}
.modes span{font-size:13px;color:var(--muted)}
.switch{display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:52px}
.switch .tg{width:52px;height:30px;border-radius:99px;background:var(--line);border:0;position:relative;flex:none;padding:0}
.switch .tg::after{content:"";position:absolute;top:3px;left:3px;width:24px;height:24px;border-radius:50%;background:#fff;transition:left .15s}
.switch .tg.on{background:var(--acc)}
.switch .tg.on::after{left:25px}
.stats{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:12px}
.stat b{display:block;font-size:30px}
.stat span{color:var(--muted);font-size:13px}
.sect{margin:20px 0 8px;font-size:13px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.hint{font-size:13px;color:var(--muted);margin-top:6px}

/* ---- Test ekranı ---- */
.quiz{flex:1;min-height:0;display:flex;flex-direction:column;gap:12px}
.qtop{display:flex;align-items:center;gap:8px}
.qtop .pbar{flex:1}
.qtop .cnt{font-size:14px;color:var(--muted);min-width:44px;text-align:right}
.qword{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;padding:4px 0}
.qword h1{font-size:40px;letter-spacing:.01em;text-align:center;word-break:break-word}
.pill{border:2px solid var(--line);background:var(--card);border-radius:99px;min-width:48px;min-height:34px;padding:0 10px;font-weight:700;font-size:13px;color:var(--muted)}
.qimg{flex:1 1 auto;min-height:160px;border-radius:22px;overflow:hidden;background:var(--card);border:1px solid var(--line);display:flex}
.qimg img{width:100%;height:100%;object-fit:cover;display:block}
.opts{display:flex;flex-direction:column;gap:10px}
.opt{width:100%;min-height:56px;border-radius:16px;border:2px solid var(--line);background:var(--card);
  font-weight:600;font-size:19px;padding:10px 14px;text-align:center}
.opt:active{background:var(--acc2)}
.opt.ok{border-color:var(--ok);background:var(--okbg);color:var(--ok)}
.opt.bad{border-color:var(--bad);background:var(--badbg);color:var(--bad)}
.opt[disabled]{opacity:1}
.qfoot{min-height:92px;display:flex;flex-direction:column;gap:8px;justify-content:flex-end}
.fb{display:flex;justify-content:space-between;align-items:center;gap:8px;font-weight:600;font-size:15px}
.fb.ok{color:var(--ok)}.fb.bad{color:var(--bad)}
.fb a{color:var(--muted);font-weight:500;font-size:13px}
.done{text-align:center;padding-top:20px}
.done .score{font-size:64px;font-weight:800;color:var(--acc)}

/* ---- Alt sayfa / modal ---- */
#sheetRoot{position:fixed;inset:0;z-index:20;display:none}
#sheetRoot.on{display:block}
.backdrop{position:absolute;inset:0;background:rgba(10,10,30,.5)}
.sheet{position:absolute;left:0;right:0;bottom:0;max-width:640px;margin:0 auto;background:var(--bg);
  border-radius:24px 24px 0 0;padding:18px 16px calc(16px + env(safe-area-inset-bottom));
  max-height:92dvh;overflow-y:auto;animation:up .18s ease-out}
@keyframes up{from{transform:translateY(30px);opacity:0}to{transform:none;opacity:1}}
.sheetfoot{display:flex;gap:10px;margin-top:16px;position:sticky;bottom:-16px;background:var(--bg);padding:8px 0}
.sheetfoot .btn{flex:1}
.rvrow{display:flex;gap:6px;align-items:center;margin-bottom:8px}
.rvrow .field{min-height:48px}
.addrow{display:flex;gap:8px;margin-top:8px}
.addrow .btn{min-height:52px}
.wimg{height:180px;border-radius:16px;overflow:hidden;background:var(--card);border:1px solid var(--line);margin:8px 0}
.wimg img{width:100%;height:100%;object-fit:cover;display:block}
.ctx{font-size:14px;color:var(--muted);background:var(--card);border:1px solid var(--line);border-radius:12px;padding:10px 12px;margin:8px 0}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:10px 0}
.gimg{border:3px solid transparent;border-radius:12px;padding:0;overflow:hidden;aspect-ratio:1;background:var(--card)}
.gimg:active{border-color:var(--acc)}
.gimg img{width:100%;height:100%;object-fit:cover;display:block}
.menu .btn{width:100%;margin-bottom:8px;justify-content:flex-start}

/* ---- Bildirim / meşgul ---- */
#toast{position:fixed;left:50%;transform:translateX(-50%) translateY(20px);bottom:calc(86px + env(safe-area-inset-bottom));
  background:var(--text);color:var(--bg);padding:12px 18px;border-radius:14px;font-size:14px;z-index:40;opacity:0;
  pointer-events:none;transition:.2s;max-width:min(92vw,520px);text-align:center}
#toast.on{opacity:1;transform:translateX(-50%)}
#busy{position:fixed;inset:0;background:rgba(10,10,30,.55);z-index:50;display:flex;align-items:center;justify-content:center}
#busy[hidden]{display:none}
.busybox{background:var(--card);border-radius:20px;padding:24px;width:min(86vw,340px);text-align:center}
.spinner{width:38px;height:38px;border-radius:50%;border:4px solid var(--line);border-top-color:var(--acc);margin:0 auto 12px;animation:sp .8s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}