/* Mantık Atölyesi — tasarım: sıcak, modern eğitim atölyesi. Telefon önce, tablet/masaüstünde ortalanır. */
:root {
  --zemin: #f6f4ef;
  --kart: #ffffff;
  --kart-2: #f1efe9;
  --cizgi: #e4e0d7;
  --cizgi-koyu: #1f2937;
  --yazi: #1b1f24;
  --yazi-2: #5b6470;
  --yazi-3: #8a93a0;
  --marka: #0f766e;
  --marka-acik: #e6f4f1;
  --marka-koyu: #0b5e58;
  --vurgu: #f59e0b;
  --vurgu-acik: #fff4d6;
  --hata: #dc2626;
  --hata-acik: #fee2e2;
  --dogru: #16a34a;
  --dogru-acik: #dcfce7;
  --secili: #cfe8e3;
  --ilgili: #eef3f1;
  --ayni: #d8e9fb;
  --golge: 0 1px 2px rgba(20, 30, 40, .06), 0 6px 18px rgba(20, 30, 40, .06);
  --yuvarlak: 16px;
  --yazi-tipi: ui-rounded, "SF Pro Rounded", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  color-scheme: light;
}
:root[data-tema="koyu"] { color-scheme: dark; }
@media (prefers-color-scheme: dark) { :root[data-tema="sistem"] { color-scheme: dark; } }
:root[data-koyu] {
  --zemin: #111417; --kart: #1a1f24; --kart-2: #22282e; --cizgi: #2d343b; --cizgi-koyu: #d1d5db;
  --yazi: #eef1f4; --yazi-2: #aab3bd; --yazi-3: #76808b;
  --marka: #2dd4bf; --marka-acik: #123b38; --marka-koyu: #5eead4;
  --vurgu: #fbbf24; --vurgu-acik: #3a2e0f;
  --hata: #f87171; --hata-acik: #3f1d1d; --dogru: #4ade80; --dogru-acik: #14321f;
  --secili: #1f4a45; --ilgili: #1e2529; --ayni: #1d3550;
  --golge: 0 1px 2px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.35);
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { height: 100%; }
body {
  margin: 0; background: var(--zemin); color: var(--yazi);
  font-family: var(--yazi-tipi); font-size: 16px; line-height: 1.4;
  -webkit-font-smoothing: antialiased; overscroll-behavior: none; touch-action: manipulation;
  -webkit-user-select: none; user-select: none;
}
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; padding: 0; }
button:disabled { cursor: default; }
h1, h2, h3, p { margin: 0; }
[hidden] { display: none !important; }
svg { display: block; }
.simge-dugme svg, .dugme svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

#uygulama { min-height: 100%; max-width: 560px; margin: 0 auto; position: relative; }
@media (min-width: 600px) {
  body { background: var(--kart-2); }
  #uygulama { background: var(--zemin); min-height: 100vh; box-shadow: 0 0 0 1px var(--cizgi); }
}

/* ---------- Ekranlar ---------- */
.ekran { display: none; min-height: 100vh; min-height: 100dvh; flex-direction: column; padding-bottom: env(safe-area-inset-bottom); }
.ekran.aktif { display: flex; }
.icerik { padding: 8px 16px 24px; display: flex; flex-direction: column; gap: 14px; }

/* Üst çubuk */
.ust {
  display: flex; align-items: center; gap: 8px; padding: calc(10px + env(safe-area-inset-top)) 12px 10px;
  position: sticky; top: 0; z-index: 5; background: color-mix(in srgb, var(--zemin) 88%, transparent);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}
.ust-ana { padding-top: calc(14px + env(safe-area-inset-top)); padding-left: 16px; padding-right: 10px; }
.ust-baslik { flex: 1; min-width: 0; }
.ust-baslik h1 { font-size: 17px; font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ust-baslik p { font-size: 12.5px; color: var(--yazi-2); }
.ust-sag { display: flex; gap: 4px; }
.simge-dugme {
  width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; color: var(--yazi-2);
  transition: background .15s, transform .1s;
}
.simge-dugme:active { background: var(--kart-2); transform: scale(.94); }
.marka { display: flex; align-items: center; gap: 12px; flex: 1; }
.marka-simge { width: 42px; height: 42px; border-radius: 12px; box-shadow: var(--golge); }
.marka h1 { font-size: 21px; font-weight: 800; letter-spacing: -.01em; }
.marka-alt { font-size: 12.5px; color: var(--yazi-2); }

/* İstatistik şeridi */
.istatistikler { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.ist { background: var(--kart); border-radius: 14px; padding: 10px 12px; box-shadow: var(--golge); display: flex; align-items: center; gap: 10px; }
.ist-simge { font-size: 20px; }
.ist b { display: block; font-size: 18px; line-height: 1.1; font-variant-numeric: tabular-nums; }
.ist span { font-size: 11.5px; color: var(--yazi-2); }

/* Günün bulmacası / devam kartı */
.kart-ozel {
  position: relative; overflow: hidden; border-radius: var(--yuvarlak); padding: 16px; color: #fff;
  background: linear-gradient(135deg, var(--marka), var(--marka-koyu)); box-shadow: var(--golge);
  display: flex; align-items: center; gap: 14px;
}
.kart-ozel.devam { background: linear-gradient(135deg, #475569, #1e293b); }
.kart-ozel::after { content: ""; position: absolute; right: -40px; top: -40px; width: 140px; height: 140px; border-radius: 50%; background: rgba(255,255,255,.08); }
.kart-ozel-metin { flex: 1; min-width: 0; }
.kart-ozel-etiket { font-size: 11.5px; text-transform: uppercase; letter-spacing: .08em; opacity: .85; font-weight: 700; }
.kart-ozel h3 { font-size: 18px; font-weight: 800; margin-top: 2px; }
.kart-ozel p { font-size: 13px; opacity: .9; margin-top: 2px; }
.kart-ozel .dugme { background: #fff; color: var(--marka-koyu); flex-shrink: 0; }
:root[data-koyu] .kart-ozel .dugme { color: #0b5e58; }
.kart-ozel.tamam .dugme { background: rgba(255,255,255,.2); color: #fff; }

.bolum-baslik { font-size: 15px; font-weight: 800; color: var(--yazi-2); margin-top: 4px; text-transform: uppercase; letter-spacing: .06em; font-size: 12.5px; }

/* Bulmaca tür kartları */
.tur-listesi { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.tur-kart {
  background: var(--kart); border-radius: var(--yuvarlak); padding: 14px; box-shadow: var(--golge);
  display: flex; flex-direction: column; align-items: flex-start; gap: 10px; text-align: left; transition: transform .12s;
  border: 1px solid transparent;
}
.tur-kart:active { transform: scale(.97); }
.tur-simge { width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center; color: #fff; }
.tur-simge svg { width: 28px; height: 28px; fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.tur-kart h3 { font-size: 16px; font-weight: 800; }
.tur-kart p { font-size: 12.5px; color: var(--yazi-2); }
.tur-ilerleme { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--yazi-3); margin-top: auto; }
.tur-ilerleme .cubuk { flex: 1; height: 5px; border-radius: 3px; background: var(--kart-2); overflow: hidden; }
.tur-ilerleme .cubuk i { display: block; height: 100%; border-radius: 3px; background: var(--tur-renk, var(--marka)); }
.dipnot { text-align: center; font-size: 12px; color: var(--yazi-3); padding: 8px 0 0; }

/* Düğmeler */
.dugme {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 11px 18px; border-radius: 12px;
  font-weight: 700; font-size: 15px; background: var(--marka); color: #fff; transition: transform .1s, filter .15s; min-height: 44px;
}
.dugme:active { transform: scale(.97); filter: brightness(.95); }
.dugme.ikincil { background: var(--kart-2); color: var(--yazi); }
.dugme.genis { width: 100%; }
.dugme.tehlike { background: var(--hata-acik); color: var(--hata); }

/* ---------- Seviye seçimi ---------- */
.seviye-sekmeler { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; background: var(--kart-2); padding: 4px; border-radius: 14px; }
.seviye-sekme { padding: 10px 6px; border-radius: 11px; font-weight: 700; font-size: 14px; color: var(--yazi-2); transition: background .15s, color .15s; }
.seviye-sekme[aria-selected="true"] { background: var(--kart); color: var(--yazi); box-shadow: var(--golge); }
.seviye-aciklama { font-size: 13px; color: var(--yazi-2); text-align: center; }
.bulmaca-izgara { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; }
.bulmaca-kutu {
  aspect-ratio: 1; border-radius: 14px; background: var(--kart); box-shadow: var(--golge); display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 2px; font-weight: 800; font-size: 17px; font-variant-numeric: tabular-nums;
  border: 2px solid transparent; transition: transform .1s;
}
.bulmaca-kutu:active { transform: scale(.94); }
.bulmaca-kutu.sirada { border-color: var(--tur-renk, var(--marka)); color: var(--tur-renk, var(--marka)); }
.bulmaca-kutu.cozuldu { background: var(--marka-acik); }
.bulmaca-kutu .yildizlar { font-size: 9px; letter-spacing: -1px; line-height: 1; }
.yildizlar b { color: var(--vurgu); }
.yildizlar i { color: var(--cizgi); font-style: normal; }
:root[data-koyu] .yildizlar i { color: #3b434c; }

/* ---------- Oyun ---------- */
.oyun-govde { flex: 1; display: flex; flex-direction: column; padding: 4px 12px 16px; gap: 12px; min-height: 0; }
.tahta-alani { flex: 1; display: flex; align-items: center; justify-content: center; min-height: 0; }
.sure { font-variant-numeric: tabular-nums; font-weight: 700; font-size: 15px; color: var(--yazi-2); padding: 0 6px; min-width: 48px; text-align: right; }
.sure.durdu { opacity: .5; }

/* Izgara tahtası */
.tahta { --n: 9; width: min(100%, 60vh, 480px); aspect-ratio: 1; display: grid; gap: 0; background: var(--kart); border: 2.5px solid var(--cizgi-koyu); border-radius: 8px; overflow: hidden; position: relative; box-shadow: var(--golge); }
.tahta.n9 { --hucre-yazi: clamp(16px, 4.6vmin, 28px); }
.tahta.n6, .tahta.n5, .tahta.n4 { --hucre-yazi: clamp(20px, 6vmin, 36px); }
.h {
  position: relative; display: grid; place-items: center; font-size: var(--hucre-yazi, 24px); font-weight: 600; font-variant-numeric: tabular-nums;
  border-right: 1px solid var(--cizgi); border-bottom: 1px solid var(--cizgi); color: var(--marka-koyu); background: var(--kart);
  transition: background .1s; cursor: pointer; overflow: hidden; line-height: 1;
}
:root[data-koyu] .h { color: var(--marka); }
.h.verilen { color: var(--yazi); font-weight: 800; }
.h.ipucu { color: var(--vurgu); }
.h.ilgili { background: var(--ilgili); }
.h.ayni { background: var(--ayni); }
.h.secili { background: var(--secili) !important; box-shadow: inset 0 0 0 2px var(--marka); }
.h.cakisma { color: var(--hata); }
.h.yanlis { background: var(--hata-acik) !important; color: var(--hata); }
.h.kalin-sag { border-right: 2.5px solid var(--cizgi-koyu); }
.h.kalin-alt { border-bottom: 2.5px solid var(--cizgi-koyu); }
.h.son-sutun { border-right: 0; }
.h.son-satir { border-bottom: 0; }
/* Kafes sınırları (içeriden çizilir) */
.h.k-ust { box-shadow: inset 0 2.5px 0 var(--cizgi-koyu); }
.h.k-sol { box-shadow: inset 2.5px 0 0 var(--cizgi-koyu); }
.h.k-ust.k-sol { box-shadow: inset 2.5px 2.5px 0 var(--cizgi-koyu); }
.h.secili.k-ust, .h.secili.k-sol, .h.secili.k-ust.k-sol { box-shadow: inset 0 0 0 2px var(--marka); }
.kafes-etiket { position: absolute; left: 3px; top: 2px; font-size: clamp(9px, 2vmin, 12px); font-weight: 800; color: var(--yazi-2); line-height: 1; letter-spacing: -.02em; }
.notlar { display: grid; grid-template-columns: repeat(3, 1fr); width: 100%; height: 100%; padding: 2px; font-size: clamp(7px, 1.9vmin, 11px); font-weight: 600; color: var(--yazi-2); }
.notlar span { display: grid; place-items: center; }
.tahta.n4 .notlar, .tahta.n5 .notlar, .tahta.n6 .notlar { font-size: clamp(9px, 2.4vmin, 13px); }
/* Futoshiki boşlukları */
.tahta.futoshiki { gap: 0; background: var(--kart); }
.bosluk { display: grid; place-items: center; font-size: clamp(12px, 3vmin, 20px); font-weight: 800; color: var(--yazi-2); background: var(--kart); }
.tahta.futoshiki .h { border: 1.5px solid var(--cizgi); border-radius: 6px; margin: 1px; }
.tahta.futoshiki .h.secili { box-shadow: inset 0 0 0 2px var(--marka); }

/* Piramit */
.piramit { display: flex; flex-direction: column; align-items: center; gap: 6px; width: 100%; }
.piramit-sira { display: flex; gap: 6px; }
.tas {
  width: var(--tas, 56px); height: calc(var(--tas, 56px) * .8); border-radius: 10px; background: var(--kart); box-shadow: var(--golge);
  display: grid; place-items: center; font-weight: 700; font-size: calc(var(--tas, 56px) * .36); font-variant-numeric: tabular-nums; color: var(--marka-koyu);
  border: 2px solid var(--cizgi); cursor: pointer;
}
:root[data-koyu] .tas { color: var(--marka); }
.tas.verilen { background: var(--kart-2); color: var(--yazi); font-weight: 800; cursor: default; }
.tas.secili { border-color: var(--marka); background: var(--secili); }
.tas.ipucu { color: var(--vurgu); }
.tas.yanlis { background: var(--hata-acik); color: var(--hata); border-color: var(--hata); }
.tas.bos::after { content: "?"; color: var(--yazi-3); font-weight: 600; }
.tas.secili.bos::after { content: ""; }

/* Terazi */
.terazi { width: 100%; display: flex; flex-direction: column; gap: 14px; }
.denklemler { display: flex; flex-direction: column; gap: 8px; }
.denklem { background: var(--kart); border-radius: 14px; padding: 12px 14px; box-shadow: var(--golge); display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 6px; font-size: 24px; font-weight: 700; font-variant-numeric: tabular-nums; }
.denklem .op { color: var(--yazi-2); font-size: 20px; }
.denklem .sonuc { color: var(--yazi); }
.terazi-not { font-size: 12.5px; color: var(--yazi-2); text-align: center; }
.sembol-kutular { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; }
.sembol-kutu {
  width: 72px; border-radius: 14px; background: var(--kart); box-shadow: var(--golge); border: 2px solid var(--cizgi); padding: 8px 4px;
  display: flex; flex-direction: column; align-items: center; gap: 4px; cursor: pointer;
}
.sembol-kutu .sem { font-size: 26px; line-height: 1; }
.sembol-kutu .deger { font-size: 22px; font-weight: 800; min-height: 28px; color: var(--marka-koyu); font-variant-numeric: tabular-nums; }
:root[data-koyu] .sembol-kutu .deger { color: var(--marka); }
.sembol-kutu .deger:empty::before { content: "?"; color: var(--yazi-3); font-weight: 600; }
.sembol-kutu.secili { border-color: var(--marka); background: var(--secili); }
.sembol-kutu.ipucu .deger { color: var(--vurgu); }
.sembol-kutu.yanlis { border-color: var(--hata); background: var(--hata-acik); }
.sembol-kutu.yanlis .deger { color: var(--hata); }

/* Örüntü */
.oruntu { width: 100%; display: flex; flex-direction: column; gap: 14px; }
.oruntu-ilerleme { display: flex; justify-content: center; gap: 6px; }
.oruntu-ilerleme i { width: 10px; height: 10px; border-radius: 50%; background: var(--cizgi); }
.oruntu-ilerleme i.dogru { background: var(--dogru); }
.oruntu-ilerleme i.yanlis { background: var(--hata); }
.oruntu-ilerleme i.simdi { background: var(--marka); transform: scale(1.25); }
.oruntu-soru { background: var(--kart); border-radius: var(--yuvarlak); padding: 18px 14px; box-shadow: var(--golge); text-align: center; }
.oruntu-soru p { font-size: 13px; color: var(--yazi-2); margin-bottom: 10px; }
.dizi { display: flex; justify-content: center; align-items: center; gap: 6px; flex-wrap: wrap; }
.dizi span { min-width: 44px; padding: 8px 10px; border-radius: 10px; background: var(--kart-2); font-weight: 800; font-size: 20px; font-variant-numeric: tabular-nums; }
.dizi .soru { background: var(--marka-acik); color: var(--marka-koyu); border: 2px dashed var(--marka); }
:root[data-koyu] .dizi .soru { color: var(--marka); }
.dizi .ok { color: var(--yazi-3); font-size: 14px; min-width: 0; background: none; padding: 0; }
.secenekler { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.secenek { padding: 16px; border-radius: 14px; background: var(--kart); box-shadow: var(--golge); font-size: 22px; font-weight: 800; border: 2px solid var(--cizgi); font-variant-numeric: tabular-nums; transition: transform .1s; }
.secenek:active { transform: scale(.96); }
.secenek.dogru { border-color: var(--dogru); background: var(--dogru-acik); color: var(--dogru); }
.secenek.yanlis { border-color: var(--hata); background: var(--hata-acik); color: var(--hata); }
.secenek.elendi { opacity: .3; text-decoration: line-through; }
.secenek:disabled:not(.dogru):not(.yanlis) { opacity: .6; }
.aciklama-kutu { background: var(--vurgu-acik); border-radius: 14px; padding: 12px 14px; font-size: 14px; display: flex; gap: 10px; align-items: flex-start; }
.aciklama-kutu b { display: block; font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--yazi-2); margin-bottom: 2px; }

/* Kontroller */
.kontroller { display: flex; flex-direction: column; gap: 10px; }
.araclar { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.arac { display: flex; flex-direction: column; align-items: center; gap: 3px; padding: 8px 4px; border-radius: 12px; background: var(--kart); box-shadow: var(--golge); font-size: 11.5px; font-weight: 700; color: var(--yazi-2); position: relative; transition: transform .1s; }
.arac:active { transform: scale(.95); }
.arac svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.arac.aktif { background: var(--marka); color: #fff; }
.arac .rozet { position: absolute; top: 4px; right: 8px; font-size: 10.5px; background: var(--vurgu); color: #1b1f24; border-radius: 10px; padding: 1px 6px; font-weight: 800; }
.arac:disabled { opacity: .4; }
.tuslar { display: grid; gap: 8px; }
.tus { height: 52px; border-radius: 12px; background: var(--kart); box-shadow: var(--golge); font-size: 22px; font-weight: 800; color: var(--marka-koyu); position: relative; transition: transform .08s; font-variant-numeric: tabular-nums; }
:root[data-koyu] .tus { color: var(--marka); }
.tus:active { transform: scale(.93); background: var(--secili); }
.tus:disabled { opacity: .25; }
.tus small { position: absolute; bottom: 3px; right: 6px; font-size: 9.5px; color: var(--yazi-3); font-weight: 700; }
.tus.sil { color: var(--yazi-2); }
.tus.sil svg { width: 24px; height: 24px; margin: 0 auto; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.tus.genis { grid-column: span 2; }

/* ---------- Alt sayfa ---------- */
.perde { position: fixed; inset: 0; background: rgba(15, 23, 42, .45); z-index: 20; display: flex; align-items: flex-end; justify-content: center; animation: belir .18s ease-out; }
.sayfa {
  width: 100%; max-width: 560px; max-height: 88vh; max-height: 88dvh; overflow: auto; background: var(--kart); border-radius: 22px 22px 0 0;
  padding: 10px 20px calc(20px + env(safe-area-inset-bottom)); animation: kay .22s cubic-bezier(.2,.8,.2,1); -webkit-user-select: text; user-select: text;
}
.sayfa::before { content: ""; display: block; width: 40px; height: 4px; border-radius: 2px; background: var(--cizgi); margin: 0 auto 14px; }
.sayfa h2 { font-size: 20px; font-weight: 800; margin-bottom: 4px; }
.sayfa .alt { color: var(--yazi-2); font-size: 14px; margin-bottom: 14px; }
.sayfa ol, .sayfa ul { margin: 0 0 16px; padding-left: 22px; font-size: 15px; display: flex; flex-direction: column; gap: 8px; }
.sayfa li::marker { color: var(--marka); font-weight: 800; }
.sayfa .dugmeler { display: flex; flex-direction: column; gap: 8px; margin-top: 8px; }
.ornek { background: var(--kart-2); border-radius: 12px; padding: 10px 12px; font-size: 14px; margin-bottom: 14px; color: var(--yazi-2); }
@keyframes belir { from { opacity: 0 } }
@keyframes kay { from { transform: translateY(40px); opacity: 0 } }
@media (min-width: 600px) { .perde { align-items: center; padding: 20px; } .sayfa { border-radius: 22px; } }

/* Sonuç sayfası */
.sonuc { text-align: center; padding: 6px 0 10px; }
.sonuc-yildizlar { font-size: 44px; letter-spacing: 2px; margin: 6px 0; }
.sonuc-yildizlar b { color: var(--vurgu); }
.sonuc-yildizlar i { color: var(--cizgi); font-style: normal; }
.sonuc h2 { font-size: 24px; }
.sonuc-bilgi { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin: 14px 0 6px; }
.sonuc-bilgi div { background: var(--kart-2); border-radius: 12px; padding: 10px 6px; }
.sonuc-bilgi b { display: block; font-size: 18px; font-variant-numeric: tabular-nums; }
.sonuc-bilgi span { font-size: 11.5px; color: var(--yazi-2); }
.rekor { color: var(--dogru); font-weight: 700; font-size: 13px; }

/* Ayarlar */
.ayar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--cizgi); font-size: 15px; }
.ayar:last-of-type { border-bottom: 0; }
.ayar small { display: block; color: var(--yazi-2); font-size: 12.5px; }
.anahtar { width: 50px; height: 30px; border-radius: 15px; background: var(--cizgi); position: relative; transition: background .15s; flex-shrink: 0; }
.anahtar::after { content: ""; position: absolute; top: 3px; left: 3px; width: 24px; height: 24px; border-radius: 50%; background: #fff; box-shadow: 0 1px 3px rgba(0,0,0,.3); transition: transform .15s; }
.anahtar[aria-checked="true"] { background: var(--marka); }
.anahtar[aria-checked="true"]::after { transform: translateX(20px); }
.secim-grubu { display: flex; background: var(--kart-2); border-radius: 10px; padding: 3px; gap: 2px; }
.secim-grubu button { padding: 6px 10px; border-radius: 8px; font-size: 13px; font-weight: 700; color: var(--yazi-2); }
.secim-grubu button[aria-pressed="true"] { background: var(--kart); color: var(--yazi); box-shadow: var(--golge); }

/* Bildirim */
.bildirim { position: fixed; left: 50%; bottom: calc(24px + env(safe-area-inset-bottom)); transform: translateX(-50%) translateY(20px); background: var(--cizgi-koyu); color: var(--zemin); padding: 10px 16px; border-radius: 12px; font-size: 14px; font-weight: 600; opacity: 0; transition: opacity .2s, transform .2s; z-index: 30; pointer-events: none; max-width: 90vw; text-align: center; }
.bildirim.goster { opacity: 1; transform: translateX(-50%) translateY(0); }

/* Animasyonlar */
@keyframes salla { 0%, 100% { transform: translateX(0) } 25% { transform: translateX(-4px) } 75% { transform: translateX(4px) } }
.salla { animation: salla .3s; }
@keyframes pat { 0% { transform: scale(.6); opacity: 0 } 60% { transform: scale(1.15) } 100% { transform: scale(1); opacity: 1 } }
.pat { animation: pat .35s cubic-bezier(.2,.8,.2,1); }
@keyframes bekle { to { transform: rotate(360deg) } }
.bekliyor { width: 36px; height: 36px; border: 4px solid var(--cizgi); border-top-color: var(--marka); border-radius: 50%; animation: bekle .8s linear infinite; }

@media (max-height: 640px) {
  .tus { height: 44px; font-size: 19px; }
  .arac { padding: 6px 4px; font-size: 10.5px; }
}
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }