/* ============================================================
   oyun.css — motorlara ozgu gorsel bilesenler
   ============================================================ */

/* ---------------- Carkmatik ---------------- */
.cark-sar {
  position: relative;
  width: min(78vw, 340px);
  aspect-ratio: 1;
  margin: .5rem auto;
  display: grid;
  place-items: center;
}
.cark {
  width: 100%; height: 100%;
  border-radius: 50%;
  border: 8px solid #fff;
  box-shadow: var(--golge-yk), inset 0 0 0 3px rgba(0,0,0,.06);
  position: relative;
  transition: transform 3.6s cubic-bezier(.15, .85, .18, 1);
  will-change: transform;
}
.cark-etiket {
  position: absolute;
  transform-origin: center center;
  font-weight: 900; font-size: clamp(.95rem, 2.6vw, 1.25rem);
  color: #fff; text-shadow: 0 1px 3px rgba(0,0,0,.45);
  pointer-events: none; white-space: nowrap;
}
.cark-ok {
  position: absolute; top: -6px; left: 50%;
  transform: translateX(-50%);
  width: 0; height: 0; z-index: 5;
  border-left: 15px solid transparent;
  border-right: 15px solid transparent;
  border-top: 30px solid var(--kirmizi);
  filter: drop-shadow(0 2px 3px rgba(0,0,0,.3));
}
.cark-gobek {
  position: absolute; width: 24%; height: 24%;
  border-radius: 50%; background: #fff;
  box-shadow: var(--golge); z-index: 4;
  display: grid; place-items: center;
  font-size: 1.6rem;
}

/* ---------------- 100 Puan Yarismasi ---------------- */
.merdiven {
  display: flex; gap: .25rem; flex-wrap: wrap; justify-content: center;
  width: 100%; margin-bottom: .3rem;
}
.merdiven span {
  min-width: 2.4rem; padding: .25rem .45rem; text-align: center;
  border-radius: var(--r-s); font-weight: 800; font-size: .85rem;
  background: #eef0f4; color: var(--metin-soluk);
}
.merdiven span.gecti { background: #dcfce7; color: #14532d; }
.merdiven span.simdi { background: var(--sari); color: #fff; transform: scale(1.12); }

.joker-sar { display: flex; gap: .6rem; justify-content: center; flex-wrap: wrap; }
.joker {
  min-height: var(--dokunma); padding: .5rem 1.1rem;
  border: 2px dashed var(--mor-ac); border-radius: 999px;
  background: var(--mor-cok); color: var(--mor);
  font: inherit; font-weight: 700; cursor: pointer;
}
.joker:disabled { opacity: .35; cursor: not-allowed; text-decoration: line-through; }

/* ---------------- Iki kisilik carpma ---------------- */
.oyuncu-serit { display: flex; gap: .7rem; width: 100%; }
.oyuncu-kart {
  flex: 1; padding: .6rem 1rem; border-radius: var(--r-m);
  border: 3px solid var(--cizgi); background: var(--kart);
  text-align: center; font-weight: 800;
}
.oyuncu-kart small { display: block; font-weight: 600; color: var(--metin-soluk); }
.oyuncu-kart.aktif1 { border-color: var(--mavi);   background: #dbeafe; color: #1e3a8a; }
.oyuncu-kart.aktif2 { border-color: var(--turuncu);background: #ffedd5; color: #7c2d12; }

.urun-tahta {
  display: grid; grid-template-columns: repeat(6, 1fr);
  gap: .4rem; width: 100%; max-width: 520px;
}
.urun-hucre {
  aspect-ratio: 1; display: grid; place-items: center;
  border: 2px solid var(--cizgi); border-radius: var(--r-s);
  background: var(--kart); font-weight: 800;
  font-size: clamp(.85rem, 2.6vw, 1.15rem);
  transition: background .15s, transform .1s;
}
.urun-hucre.hedef { outline: 3px dashed var(--yesil); outline-offset: 2px; }
.urun-hucre.p1 { background: #3b82f6; color: #fff; border-color: #1d4ed8; }
.urun-hucre.p2 { background: #f97316; color: #fff; border-color: #c2410c; }
.urun-hucre.kazanan { animation: parla .5s ease-in-out 3; }
@keyframes parla { 50% { transform: scale(1.15); box-shadow: 0 0 0 4px var(--sari); } }

.carpan-serit {
  display: flex; gap: .35rem; flex-wrap: wrap; justify-content: center;
  padding: .7rem; background: var(--kart);
  border: 1px solid var(--cizgi); border-radius: var(--r-m); width: 100%;
}
.carpan-btn {
  min-width: var(--dokunma); min-height: var(--dokunma);
  border: 2px solid var(--cizgi); border-radius: var(--r-s);
  background: var(--zemin); font: inherit; font-weight: 800; font-size: 1.1rem;
  cursor: pointer; position: relative;
}
.carpan-btn:hover:not(:disabled) { border-color: var(--mor-ac); }
.carpan-btn.im1 { background: #3b82f6; color: #fff; border-color: #1d4ed8; }
.carpan-btn.im2 { background: #f97316; color: #fff; border-color: #c2410c; }
.carpan-btn.im12 { background: linear-gradient(135deg, #3b82f6 50%, #f97316 50%); color: #fff; }
.carpan-btn:disabled { opacity: .5; cursor: not-allowed; }

/* ---------------- Carpan & bolen ---------------- */
.sayi-izgara {
  display: grid; gap: .5rem; width: 100%;
  grid-template-columns: repeat(auto-fill, minmax(72px, 1fr));
}
.sayi-kutu {
  aspect-ratio: 1.25; display: grid; place-items: center;
  border: 3px solid var(--cizgi); border-radius: var(--r-m);
  background: var(--kart); font-weight: 800;
  font-size: clamp(1rem, 3vw, 1.35rem);
  cursor: pointer; font-family: inherit; color: inherit;
  transition: transform .08s, background .15s, border-color .15s;
}
.sayi-kutu:hover:not(:disabled) { border-color: var(--mor-ac); background: var(--mor-cok); }
.sayi-kutu:active:not(:disabled) { transform: scale(.95); }
.sayi-kutu.secili { border-color: var(--mavi); background: #dbeafe; color: #1e3a8a; }
.sayi-kutu.dogru  { border-color: var(--yesil); background: #dcfce7; color: #14532d; }
.sayi-kutu.yanlis { border-color: var(--kirmizi); background: #fee2e2; color: #7f1d1d; }
.sayi-kutu.kacti  { border-color: var(--sari); background: #fef3c7; color: #78350f; }
.sayi-kutu:disabled { cursor: default; }

.jg-serit { display: flex; gap: .4rem; flex-wrap: wrap; justify-content: center; }
.jg-sayi {
  min-width: 56px; min-height: 56px; display: grid; place-items: center;
  border: 3px solid var(--cizgi); border-radius: var(--r-s);
  background: var(--kart); font: inherit; font-weight: 800; font-size: 1.1rem;
  cursor: pointer;
}
.jg-sayi.sen  { background: #dbeafe; border-color: var(--mavi); color: #1e3a8a; }
.jg-sayi.bil  { background: #ffedd5; border-color: var(--turuncu); color: #7c2d12; }
.jg-sayi.son  { outline: 4px solid var(--sari); outline-offset: 2px; }
.jg-sayi.olur { border-color: var(--yesil); }
.jg-sayi:disabled { opacity: .45; cursor: not-allowed; }

/* ---------------- Bolunebilme fabrikasi ---------------- */
.fabrika {
  position: relative; width: 100%; height: min(46dvh, 340px);
  background:
    repeating-linear-gradient(90deg, #ffffff 0 38px, #fafaff 38px 76px),
    var(--kart);
  border: 1px solid var(--cizgi); border-radius: var(--r-m);
  overflow: hidden; box-shadow: var(--golge);
}
.fabrika::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 6px;
  background: repeating-linear-gradient(90deg, var(--metin-soluk) 0 12px, transparent 12px 24px);
  opacity: .35;
}
.dusen {
  position: absolute; left: 50%; transform: translateX(-50%);
  min-width: 78px; padding: .5rem 1rem;
  background: linear-gradient(135deg, var(--mor-ac), var(--mor));
  color: #fff; font-weight: 900; font-size: 1.7rem;
  border-radius: var(--r-m); box-shadow: var(--golge-yk);
  text-align: center;
}
.dusen.iyi  { background: linear-gradient(135deg, #22c55e, var(--yesil)); }
.dusen.kotu { background: linear-gradient(135deg, #f87171, var(--kirmizi)); }

.kapi-sar { display: grid; gap: .5rem; width: 100%; grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); }
.kapi {
  min-height: calc(var(--dokunma) + 16px);
  border: 3px solid var(--cizgi); border-radius: var(--r-m);
  background: var(--kart); font: inherit; font-weight: 800; font-size: 1.15rem;
  cursor: pointer; padding: .6rem;
}
.kapi:hover:not(:disabled) { border-color: var(--pembe); background: #fce7f3; }
.kapi.secili { border-color: var(--pembe); background: #fce7f3; color: #9d174d; }
.kapi.dogru  { border-color: var(--yesil); background: #dcfce7; }
.kapi.yanlis { border-color: var(--kirmizi); background: #fee2e2; }

/* ---------------- Model & Kesif ortak ---------------- */
.mk-arac {
  display: flex; gap: .5rem; flex-wrap: wrap; justify-content: center;
  width: 100%;
}
.mk-arac button {
  min-height: var(--dokunma); padding: .55rem 1.1rem;
  border: 2px solid var(--cizgi); border-radius: var(--r-m);
  background: var(--kart); font: inherit; font-weight: 700; cursor: pointer;
}
.mk-arac button:hover:not(:disabled) { border-color: var(--yesil); background: #dcfce7; }
.mk-arac button:disabled { opacity: .4; cursor: not-allowed; }
.mk-gorev {
  width: 100%; padding: .9rem 1.2rem; border-radius: var(--r-m);
  background: #ecfdf5; border: 2px solid #a7f3d0; color: #065f46;
  font-weight: 700; text-align: center;
}

/* --- Denklem terazisi --- */
.terazi { width: 100%; max-width: 620px; margin-inline: auto; }
.terazi-kol {
  display: flex; align-items: flex-end; gap: .5rem;
  transition: transform .45s cubic-bezier(.4,.1,.2,1);
  transform-origin: 50% 100%;
}
.kefe {
  flex: 1; min-height: 118px;
  border: 3px solid var(--metin-soluk); border-top: 0;
  border-radius: 0 0 var(--r-l) var(--r-l);
  background: #fff;
  display: flex; flex-wrap: wrap; align-content: flex-end;
  gap: .3rem; padding: .5rem; justify-content: center;
}
.terazi-govde {
  height: 74px; width: 100%;
  background:
    linear-gradient(to top, var(--metin-soluk) 0 8px, transparent 8px),
    linear-gradient(to right, transparent calc(50% - 5px), var(--metin-soluk) calc(50% - 5px) calc(50% + 5px), transparent calc(50% + 5px));
}
.blok {
  display: grid; place-items: center;
  border-radius: 8px; font-weight: 900; color: #fff;
  box-shadow: 0 2px 4px rgba(0,0,0,.2);
}
.blok.x   { width: 46px; height: 46px; background: var(--mor-ac); font-size: 1.4rem; }
.blok.bir { width: 30px; height: 30px; background: var(--turkuaz); font-size: .95rem; }
.blok.eksi { opacity: .55; }
.blok.yeni { animation: dus .3s ease-out; }
@keyframes dus { from { transform: translateY(-22px); opacity: 0; } }

.terazi-durum { text-align: center; font-weight: 800; font-size: 1.15rem; margin-top: .4rem; }

/* --- Kesir cubuklari --- */
.kesir-liste { display: flex; flex-direction: column; gap: .55rem; width: 100%; }
.kesir-satir { display: flex; align-items: center; gap: .7rem; }
.kesir-etiket { min-width: 74px; text-align: right; font-weight: 800; font-size: 1.1rem; }
.kesir-cubuk {
  flex: 1; display: flex; height: 46px;
  border: 2px solid var(--metin-soluk); border-radius: 8px; overflow: hidden;
  background: #fff;
}
.kesir-parca {
  flex: 1; border-right: 1px solid rgba(0,0,0,.18);
  cursor: pointer; transition: background .12s;
}
.kesir-parca:last-child { border-right: 0; }
.kesir-parca.dolu { background: var(--mor-ac); }
.kesir-parca.dolu2 { background: var(--turuncu); }

.sayi-dogrusu { position: relative; width: 100%; height: 92px; margin-top: .5rem; }
.sd-cizgi { position: absolute; left: 0; right: 0; top: 40px; height: 4px; background: var(--metin); border-radius: 2px; }
.sd-tik { position: absolute; top: 30px; width: 2px; height: 24px; background: var(--metin-soluk); }
.sd-yazi { position: absolute; top: 58px; transform: translateX(-50%); font-size: .8rem; color: var(--metin-soluk); }
.sd-nokta {
  position: absolute; top: 26px; transform: translateX(-50%);
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--pembe); border: 3px solid #fff; box-shadow: var(--golge);
  cursor: grab; touch-action: none;
}
.sd-nokta.hedef { background: var(--yesil); }

/* --- Alan modeli --- */
.alan-sar { display: grid; grid-template-columns: auto 1fr; gap: .4rem; width: 100%; max-width: 560px; margin-inline: auto; }
.alan-model {
  display: grid; border: 3px solid var(--metin); border-radius: 6px; overflow: hidden;
  aspect-ratio: 1.35;
}
.alan-parca {
  display: grid; place-items: center; font-weight: 800;
  border: 1px solid rgba(255,255,255,.7);
  font-size: clamp(.75rem, 2.4vw, 1.05rem);
  color: #fff; text-shadow: 0 1px 2px rgba(0,0,0,.35);
}
.alan-etiket-ust { display: grid; gap: 0; font-weight: 800; text-align: center; }
.alan-etiket-sol { display: grid; gap: 0; font-weight: 800; align-items: center; text-align: right; padding-right: .35rem; }

/* ---------------- kucuk ekran ayarlari ---------------- */
@media (max-width: 480px) {
  .hud .baslik { font-size: .95rem; }
  .hud .kutu { min-width: 68px; padding: .25rem .5rem; }
  .hud .kutu b { font-size: 1.2rem; }
  .urun-tahta { gap: .25rem; }
}

/* ============================================================
   Faz 2 — Model & Kesif etkinlikleri
   ============================================================ */

/* --- Koordinat duzlemi / donusum izgarasi (ortak SVG) --- */
.kd-svg {
  width: 100%; max-width: 480px; height: auto;
  display: block; margin-inline: auto;
  background: var(--kart);
  border: 1px solid var(--cizgi); border-radius: var(--r-m);
  box-shadow: var(--golge);
  touch-action: manipulation;
}
.kd-tiklanir { cursor: crosshair; }
.kd-izgara { stroke: #d9d5ea; stroke-width: .035; }
.kd-eksen  { stroke: var(--metin); stroke-width: .07; }
.kd-ok     { fill: var(--metin); }
.kd-sayi {
  font-size: .42px; fill: var(--metin-soluk);
  text-anchor: middle; font-weight: 600;
}
.kd-sayi.kd-sag { text-anchor: end; }
.kd-eksen-ad { font-size: .6px; fill: var(--metin); font-weight: 800; text-anchor: middle; }
.kd-bolge {
  font-size: .8px; fill: #c9c3e0; font-weight: 800;
  text-anchor: middle; dominant-baseline: middle;
}
.kd-nokta circle { fill: var(--pembe); stroke: #fff; stroke-width: .07; }
.kd-nokta.kd-hedef circle { fill: var(--mavi); }
.kd-nokta.kd-dogru circle { fill: var(--yesil); }
.kd-etiket { font-size: .45px; fill: var(--metin); font-weight: 700; }

/* --- Donusum atolyesi --- */
.dn-hedef { fill: #ddd6fe; stroke: #a78bfa; stroke-width: .05; }
.dn-sekil { fill: var(--mor-ac); stroke: #fff; stroke-width: .06; }

/* --- Sayi makinesi --- */
.makine { display: flex; justify-content: center; width: 100%; }
.makine-govde {
  display: flex; align-items: center; gap: .8rem;
  padding: 1rem 1.8rem; min-width: 240px; justify-content: center;
  background: linear-gradient(135deg, #4338ca, #6d28d9);
  color: #fff; border-radius: var(--r-l);
  box-shadow: var(--golge-yk);
}
.makine-disli { font-size: 2.4rem; animation: dis-don 4s linear infinite; }
@keyframes dis-don { to { transform: rotate(360deg); } }
.makine-yazi { font-size: 1.8rem; font-weight: 900; font-variant-numeric: tabular-nums; }

.girdi-serit {
  display: flex; gap: .35rem; flex-wrap: wrap; justify-content: center; align-items: center;
  padding: .7rem; width: 100%;
  background: var(--kart); border: 1px solid var(--cizgi); border-radius: var(--r-m);
}
.girdi-baslik { font-weight: 800; margin-right: .3rem; }
.girdi-btn {
  min-width: var(--dokunma); min-height: var(--dokunma);
  border: 2px solid var(--cizgi); border-radius: var(--r-s);
  background: var(--zemin); font: inherit; font-weight: 800; font-size: 1.05rem;
  cursor: pointer;
}
.girdi-btn:hover:not(:disabled) { border-color: var(--mor-ac); background: var(--mor-cok); }
.girdi-btn.kullanildi { background: var(--mor-cok); border-color: var(--mor-ac); color: var(--mor); }
.girdi-btn:disabled { opacity: .45; cursor: not-allowed; }

.makine-tablo-sar { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }
.makine-tablo {
  border-collapse: collapse; margin-inline: auto;
  background: var(--kart); border-radius: var(--r-m); overflow: hidden;
  box-shadow: var(--golge);
}
.makine-tablo th, .makine-tablo td {
  border: 1px solid var(--cizgi); padding: .5rem .85rem;
  text-align: center; font-weight: 800; font-variant-numeric: tabular-nums;
  min-width: 52px;
}
.makine-tablo th { background: var(--mor-cok); color: var(--mor); }
.makine-tablo td.bos { color: var(--metin-soluk); font-weight: 500; }

/* --- Hacim kupleri --- */
.hc-svg {
  width: 100%; max-width: 420px; height: auto;
  display: block; margin-inline: auto;
}
.hc-olcu { display: flex; gap: .6rem; flex-wrap: wrap; justify-content: center; width: 100%; }
.hc-kutu {
  display: flex; flex-direction: column; align-items: center;
  padding: .5rem 1.1rem; min-width: 120px;
  background: var(--kart); border: 2px solid var(--cizgi); border-radius: var(--r-m);
}
.hc-kutu small { font-size: .75rem; color: var(--metin-soluk); font-weight: 700; text-transform: uppercase; letter-spacing: .04em; }
.hc-kutu b { font-size: 1.15rem; }
.hc-kutu.vurgu { border-color: var(--mor); background: var(--mor-cok); color: var(--mor); }

.hc-kenar {
  display: flex; align-items: center; gap: .4rem;
  padding: .35rem .7rem;
  background: var(--kart); border: 2px solid var(--cizgi); border-radius: var(--r-m);
}
.hc-kenar small { font-weight: 700; color: var(--metin-soluk); min-width: 62px; }
.hc-kenar b { min-width: 1.5rem; text-align: center; font-size: 1.2rem; font-variant-numeric: tabular-nums; }
.hc-kenar button {
  width: var(--dokunma); height: var(--dokunma);
  border: 2px solid var(--cizgi); border-radius: var(--r-s);
  background: var(--zemin); font: inherit; font-size: 1.3rem; font-weight: 800;
  cursor: pointer; line-height: 1;
}
.hc-kenar button:hover:not(:disabled) { border-color: var(--yesil); background: #dcfce7; }
.hc-kenar button:disabled { opacity: .35; cursor: not-allowed; }

/* --- Oran mutfagi --- */
.oran-tablo {
  border-collapse: collapse; margin-inline: auto;
  background: var(--kart); box-shadow: var(--golge);
  border-radius: var(--r-m); overflow: hidden;
}
.oran-tablo th, .oran-tablo td {
  border: 1px solid var(--cizgi); padding: .6rem 1rem;
  text-align: center; font-variant-numeric: tabular-nums;
}
.oran-tablo th { background: var(--mor-cok); color: var(--mor); font-weight: 800; }
.oran-tablo td { font-weight: 700; }
.oran-tablo td.bos {
  background: #fef3c7; color: #92400e; font-size: 1.3rem; font-weight: 900;
}

/* ============================================================
   Faz 3 — yeni oyunlar
   ============================================================ */

/* ---------------- ekran tus takimi (ortak) ---------------- */
.tus-takimi {
  display: inline-flex; flex-direction: column; gap: .5rem;
  background: var(--kart); border: 1px solid var(--cizgi);
  border-radius: var(--r-m); box-shadow: var(--golge); padding: .7rem;
}
.tus-gosterge {
  min-height: 54px; padding: .4rem .9rem;
  display: flex; align-items: center; justify-content: center;
  background: var(--zemin); border: 2px solid var(--cizgi); border-radius: var(--r-s);
  font-size: 1.8rem; font-weight: 900; letter-spacing: .06em;
  font-variant-numeric: tabular-nums; word-break: break-all; text-align: center;
}
.tus-gosterge.bos { color: #c9c3e0; font-weight: 700; }

.tus-izgara { display: grid; grid-template-columns: repeat(4, 1fr); gap: .4rem; }
.tus {
  min-width: 56px; min-height: 56px;
  border: 2px solid var(--cizgi); border-radius: var(--r-s);
  background: var(--zemin); font: inherit; font-size: 1.35rem; font-weight: 800;
  cursor: pointer; -webkit-tap-highlight-color: transparent;
  transition: transform .06s, background .12s, border-color .12s;
}
.tus:hover  { border-color: var(--mor-ac); background: var(--mor-cok); }
.tus:active { transform: translateY(2px); }
.tus-islev  { background: #eef0f4; color: var(--metin-soluk); font-size: 1.15rem; }
.tus-onay   {
  background: var(--yesil); color: #fff; border-color: #15803d;
  font-size: 1.6rem; line-height: 1;
}
.tus-onay:hover { background: #15803d; border-color: #14532d; }

.tus-ek { display: flex; gap: .4rem; flex-wrap: wrap; }
.tus-yan {
  flex: 1; min-width: 110px; min-height: 48px; font-size: 1rem;
  background: var(--mor-cok); color: var(--mor); border-color: var(--mor-ac);
}
.tus-yan.tus-ekle { background: #dcfce7; color: #14532d; border-color: var(--yesil); }
.tus-yan-genis { min-width: 100%; }

body.tahta .tus { min-width: 68px; min-height: 68px; font-size: 1.6rem; }
body.tahta .tus-gosterge { font-size: 2.2rem; min-height: 64px; }

/* ---------------- Bolunebilme Kurallari (kutu_sec) ---------------- */
.ks-durum {
  display: flex; gap: .8rem; flex-wrap: wrap; justify-content: center;
  width: 100%;
}
.ks-rozet {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .4rem .9rem; border-radius: 999px;
  background: var(--kart); border: 2px solid var(--cizgi);
  font-weight: 800; font-size: .95rem;
}
.ks-rozet.ceza { border-color: var(--kirmizi); background: #fee2e2; color: #7f1d1d; }
.ks-izgara { grid-template-columns: repeat(4, 1fr); max-width: 480px; margin-inline: auto; }

/* ---------------- Eratosthenes Kalburu ---------------- */
.er-eleyiciler {
  display: flex; gap: .5rem; flex-wrap: wrap; justify-content: center;
  width: 100%; padding: .7rem;
  background: var(--kart); border: 1px solid var(--cizgi); border-radius: var(--r-m);
}
.er-eleyici {
  min-width: var(--dokunma); min-height: var(--dokunma);
  border: 3px solid var(--er-renk, var(--cizgi)); border-radius: var(--r-s);
  background: var(--kart); color: var(--er-renk, var(--metin));
  font: inherit; font-weight: 900; font-size: 1.25rem; cursor: pointer;
}
.er-eleyici.secili { background: var(--er-renk); color: #fff; }

.er-izgara {
  display: grid; grid-template-columns: repeat(10, 1fr);
  gap: 3px; width: 100%; max-width: 560px; margin-inline: auto;
}
.er-kutu {
  aspect-ratio: 1; display: grid; place-items: center;
  border: 1px solid var(--cizgi); border-radius: 5px;
  background: var(--kart); color: var(--metin);
  font: inherit; font-weight: 700;
  font-size: clamp(.62rem, 1.9vw, .95rem);
  cursor: pointer; padding: 0;
}
.er-kutu:hover { border-color: var(--mor-ac); }
.er-kutu.er-bir { background: #eef0f4; color: #b8b2cc; cursor: default; }
.er-kutu.er-elendi { border-color: transparent; }
.er-kutu.er-eleyen { outline: 3px solid var(--sari); outline-offset: -3px; font-weight: 900; }
.er-kutu.er-asal {
  background: #dcfce7; color: #14532d; border-color: var(--yesil);
  box-shadow: 0 0 0 2px var(--yesil) inset; font-weight: 900;
}
.er-ozet { text-align: center; }

/* ---------------- Asal Carpan Agaci ---------------- */
.ca-agac {
  width: 100%; overflow-x: auto; padding: .5rem 0 1rem;
  display: flex; justify-content: center;
}
.ca-dal { display: flex; flex-direction: column; align-items: center; }
.ca-cocuklar { display: flex; gap: 1.1rem; position: relative; padding-top: 1.4rem; }
.ca-cocuklar::before {
  content: ""; position: absolute; top: 0; left: 25%; right: 25%; height: 1.4rem;
  border-top: 3px solid var(--cizgi);
  border-left: 3px solid var(--cizgi);
  border-right: 3px solid var(--cizgi);
  border-radius: 8px 8px 0 0;
}
.ca-dugum {
  min-width: 58px; min-height: 58px; padding: .3rem .6rem;
  border-radius: 50%; border: 3px solid transparent;
  font: inherit; font-weight: 900; font-size: 1.1rem; cursor: default;
  display: grid; place-items: center;
}
.ca-bilesik { background: var(--mor-ac); color: #fff; }
.ca-bilesik.ca-acilabilir { cursor: pointer; box-shadow: 0 0 0 3px var(--mor-cok); }
.ca-bilesik.ca-acilabilir:hover { background: var(--mor); transform: scale(1.06); }
.ca-asal { background: var(--turuncu); color: #fff; }
.ca-secili { outline: 4px solid var(--sari); outline-offset: 3px; }

.ca-durum { text-align: center; width: 100%; }
.ca-sonuc {
  display: inline-block; padding: .6rem 1.2rem; border-radius: var(--r-m);
  background: #dcfce7; color: #14532d; border: 2px solid var(--yesil);
  font-size: 1.3rem; font-weight: 800;
}

.ca-giris {
  width: 100%; padding: 1rem; text-align: center;
  background: var(--kart); border: 2px solid var(--mor-cok); border-radius: var(--r-m);
}
.ca-giris[hidden] { display: none !important; }
.ca-giris-baslik { font-size: 1.1rem; margin: 0 0 .8rem; }
.ca-giris-satir {
  display: flex; gap: .8rem; align-items: center; justify-content: center; flex-wrap: wrap;
}
.ca-carpi { font-size: 2rem; font-weight: 900; color: var(--metin-soluk); }
.ca-giris-arac {
  display: flex; gap: .6rem; justify-content: center; flex-wrap: wrap; margin-top: .9rem;
}

/* ---------------- Kok-Yaprak ---------------- */
.ky-tablo-kap { width: 100%; overflow-x: auto; }
.ky-tablo {
  border-collapse: collapse; margin-inline: auto;
  background: var(--kart); box-shadow: var(--golge);
  border-radius: var(--r-m); overflow: hidden; min-width: 260px;
}
.ky-tablo th {
  background: var(--mor-cok); color: var(--mor); padding: .5rem 1rem;
  font-size: .85rem; text-transform: uppercase; letter-spacing: .04em;
}
.ky-tablo td { border-top: 1px solid var(--cizgi); padding: .4rem 1rem; }
.ky-govde {
  text-align: right; font-weight: 900; background: var(--zemin);
  border-right: 3px solid var(--mor-ac); min-width: 60px;
}
.ky-yaprak { letter-spacing: .35em; font-weight: 700; font-variant-numeric: tabular-nums; }

.ky-ozet {
  display: flex; gap: .5rem; flex-wrap: wrap; justify-content: center; width: 100%;
}
.ky-kutu {
  display: flex; flex-direction: column; align-items: center;
  padding: .45rem 1rem; min-width: 110px;
  background: var(--kart); border: 2px solid var(--cizgi); border-radius: var(--r-m);
}
.ky-kutu small { font-size: .72rem; color: var(--metin-soluk); font-weight: 700; text-transform: uppercase; }
.ky-kutu b { font-size: 1.1rem; }

.ky-liste { display: flex; gap: .35rem; flex-wrap: wrap; align-items: center; width: 100%; }
.ky-liste-baslik { font-weight: 700; color: var(--metin-soluk); }
.ky-cip {
  display: inline-flex; align-items: center; gap: .25rem;
  padding: .25rem .6rem; border-radius: 999px;
  border: 2px solid var(--cizgi); background: var(--kart);
  font: inherit; font-weight: 700; cursor: pointer; min-height: 36px;
}
.ky-cip:hover { border-color: var(--kirmizi); background: #fee2e2; }
.ky-cip-sil { color: var(--kirmizi); font-weight: 900; }
.ky-giris { display: flex; flex-direction: column; align-items: center; width: 100%; }

/* ---------------- Basamak Tablosu ---------------- */
.bs-tablo-kap { width: 100%; overflow-x: auto; }
.bs-tablo {
  border-collapse: collapse; margin-inline: auto;
  box-shadow: var(--golge); border-radius: var(--r-m); overflow: hidden;
}
.bs-tablo th, .bs-tablo td { border: 1px solid #fff; text-align: center; }
.bs-grup { padding: .4rem .6rem; color: #fff; font-size: .85rem; letter-spacing: .05em; }
.bs-basamak-ad {
  padding: .25rem .3rem; font-size: .68rem; color: var(--metin-soluk);
  background: var(--zemin);
}
.bs-rakam {
  padding: .4rem; font-size: clamp(1.1rem, 4vw, 1.8rem); font-weight: 900;
  color: #fff; min-width: 40px; font-variant-numeric: tabular-nums;
}
.bs-rakam.bos { background: #e9e6f3 !important; }
.bg-milyar { background: #7c3aed; }
.bg-milyon { background: #0d9488; }
.bg-bin    { background: #ea580c; }
.bg-birler { background: #2563eb; }

.bs-okunus {
  width: 100%; text-align: center; padding: .8rem 1rem;
  background: var(--kart); border: 1px solid var(--cizgi); border-radius: var(--r-m);
}
.bs-okunus[hidden] { display: none !important; }
.bs-sayi { font-size: 1.5rem; font-weight: 900; font-variant-numeric: tabular-nums; }
.bs-metin { font-size: 1.15rem; color: var(--mor); font-weight: 700; margin-top: .3rem; }
.bs-metin.bs-hedef { font-size: clamp(1.1rem, 3.2vw, 1.5rem); color: var(--metin); }

@media (max-width: 520px) {
  .er-izgara { gap: 2px; }
  .ca-cocuklar { gap: .5rem; }
  .ca-dugum { min-width: 46px; min-height: 46px; font-size: .95rem; }
}

/* ---------------- Kok-Yaprak alistirma ---------------- */
.ky-yaprak-kutu {
  display: inline-grid; place-items: center;
  min-width: 26px; height: 30px; margin-right: .28rem;
  border-radius: 6px; background: #fef3c7; color: #92400e;
  font-weight: 900; letter-spacing: 0;
  border: 2px solid #fcd34d;
}
.ky-yaprak-kutu.acik {
  background: #dcfce7; color: #14532d; border-color: var(--yesil);
  animation: ky-ac .3s ease-out;
}
@keyframes ky-ac { from { transform: scale(.6); opacity: 0; } }

.ky-cip-gizli {
  background: #fef3c7; color: #92400e; border-color: #fcd34d;
  cursor: default; min-width: 52px; justify-content: center;
}
.ky-cip-gizli.acik {
  background: #dcfce7; color: #14532d; border-color: var(--yesil);
  animation: ky-ac .3s ease-out;
}
.ky-cip-gizli:hover { background: #fef3c7; border-color: #fcd34d; }
.ky-cip-gizli.acik:hover { background: #dcfce7; border-color: var(--yesil); }

/* ---------------- tus takimi duzen cesitleri ---------------- */
.tus-izgara.uc-sutun { grid-template-columns: repeat(3, 1fr); }
.tus-izgara.uc-sutun .tus { min-width: 72px; min-height: 64px; font-size: 1.5rem; }
body.tahta .tus-izgara.uc-sutun .tus { min-width: 86px; min-height: 78px; font-size: 1.85rem; }

/* ✓ yokken onun yerini tutan bosluk */
.tus-bos { display: block; }

/* ---------------- Kok-Yaprak "kur" modu hucreleri ---------------- */
.ky-hucre {
  display: inline-grid; place-items: center;
  min-width: 30px; height: 32px; margin-right: .28rem;
  border-radius: 6px; font-weight: 900; letter-spacing: 0;
  border: 2px solid transparent;
  transition: transform .12s, background .15s;
}
.ky-hucre.pasif {
  background: #f1f0f7; color: #c2bcd6; border-color: #e3e0ee;
}
.ky-hucre.aktif {
  background: #fef3c7; color: #92400e; border-color: var(--sari);
  transform: scale(1.14);
  box-shadow: 0 0 0 3px rgba(245, 158, 11, .28);
  animation: ky-nabiz 1.4s ease-in-out infinite;
}
@keyframes ky-nabiz { 50% { box-shadow: 0 0 0 6px rgba(245, 158, 11, .16); } }
.ky-hucre.acik {
  background: #dcfce7; color: #14532d; border-color: var(--yesil);
  animation: ky-ac .3s ease-out;
}
.ky-kok-kutu { min-width: 38px; }

/* kur modunda kaynak liste: silinemez, sadece okunur */
.ky-cip-kaynak {
  background: var(--zemin); color: var(--metin);
  border-color: var(--cizgi); cursor: default;
  min-width: 46px; justify-content: center;
}

/* ---------------- Kesir oyunlari ---------------- */
/* Sayi dogrusunda tam sayi tikleri daha belirgin */
.sd-tik-tam { height: 34px; top: 25px; width: 3px; background: var(--metin); }
.sd-yazi { font-weight: 800; color: var(--metin); }

/* ---------------- Sayı Dostları (motor: tamamlama) ---------------- */
/* #alan bir flex sutunudur ve align-items:center oldugu icin cocuklari
   icerigi kadar genisler. Sarmalayiciya acikca genislik vermezsek havuzun
   "width:100%" hesabi sifira duser. */
.sd-sar { display: flex; justify-content: center; width: 100%; margin: .8rem 0; }
.sd-havuz {
  position: relative; width: min(100%, 420px);
  background: linear-gradient(180deg, #e0f2fe, #bae6fd);
  border: 4px solid var(--mor-ac); border-radius: var(--r-m);
  overflow: hidden; touch-action: manipulation;
}
/* Havuz dolmaya yaklasinca cerceve uyarir. Zemini kirmiziya boyamiyoruz:
   kirmizi baloncuklar zemine karisip okunmaz oluyordu. */
.sd-havuz.dolmak-uzere { border-color: var(--kirmizi); animation: sd-uyari 1.1s ease-in-out infinite; }
@keyframes sd-uyari {
  50% { box-shadow: inset 0 0 0 6px rgba(220, 38, 38, .28); }
}

/* Dugme hucrenin tamamini kaplar (dokunma alani genis olsun);
   gorunen baloncuk icindeki .sd-daire'dir. */
.sd-top {
  position: absolute; padding: 0; margin: 0;
  border: none; background: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font: inherit;
  transition: bottom .38s cubic-bezier(.34, 1.3, .64, 1), left .2s ease, transform .12s ease;
  -webkit-tap-highlight-color: transparent;
}
.sd-daire {
  width: 86%; height: 86%; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--sd-renk, var(--mor));
  color: #fff; font-weight: 900;
  font-size: calc(var(--hucre, 56px) * .38);
  box-shadow: inset 0 -.18em 0 rgba(0, 0, 0, .18), inset 0 .16em 0 rgba(255, 255, 255, .28);
  transition: box-shadow .12s ease, background .15s ease;
}
.sd-top:hover { transform: scale(1.06); }
.sd-top.secili { transform: scale(1.12); }
.sd-top.secili .sd-daire { box-shadow: 0 0 0 4px var(--mor), inset 0 -.18em 0 rgba(0, 0, 0, .18); }
.sd-top.hatali .sd-daire { background: var(--kirmizi); }
.sd-top.hatali { animation: sd-sarsil .4s; }
.sd-top.patla { transform: scale(0); opacity: 0; transition: transform .25s ease, opacity .25s ease; }

@keyframes sd-sarsil {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-12%); }
  75% { transform: translateX(12%); }
}

/* Rakama gore renk: ayni sayi hep ayni renkte olsun, goz alissin. */
.sd-top[data-r="0"] { --sd-renk: #ef4444; }
.sd-top[data-r="1"] { --sd-renk: #f97316; }
.sd-top[data-r="2"] { --sd-renk: #eab308; }
.sd-top[data-r="3"] { --sd-renk: #22c55e; }
.sd-top[data-r="4"] { --sd-renk: #14b8a6; }
.sd-top[data-r="5"] { --sd-renk: #0ea5e9; }
.sd-top[data-r="6"] { --sd-renk: #6366f1; }
.sd-top[data-r="7"] { --sd-renk: #a855f7; }
.sd-top[data-r="8"] { --sd-renk: #ec4899; }
.sd-top[data-r="9"] { --sd-renk: #78716c; }

@media (prefers-reduced-motion: reduce) {
  .sd-top { transition: none; }
  .sd-top.hatali { animation: none; }
}

/* Uzun sayilar (1-1000 araligi) baloncuga sigsin diye yaziyi kucult. */
.sd-top[data-b="3"] .sd-daire { font-size: calc(var(--hucre, 56px) * .30); }
.sd-top[data-b="4"] .sd-daire { font-size: calc(var(--hucre, 56px) * .235); }

/* ---------------- Hızlı İşlem (motor: hizli) ---------------- */
/* Bu oyun siniftaki AKILLI TAHTADA da oynanir: 1920x1080 bir ekranda kart
   640 piksele sikismasin, soru arka siradan okunsun. Olculer bu yuzden
   min(vw, vh) uzerinden buyur — genis ama basik bir ekranda yaziyi yukseklik
   sinirlar, dar ve uzun bir telefonda genislik. */
.hz-tahta {
  display: flex; flex-direction: column; gap: .8rem;
  width: 100%; max-width: 1400px;
}

/* Tek kisilik: kart bos ekranda kucuk kalmasin, soru buyuk dursun. */
.hz-tahta:not(.ikili) .hz-yari { min-height: 58dvh; justify-content: center; gap: clamp(1.2rem, 4vh, 3rem); }
.hz-tahta:not(.ikili) .hz-soru { font-size: clamp(3rem, min(13vw, 20vh), 9rem); }
.hz-tahta:not(.ikili) .hz-sik {
  min-width: clamp(120px, 13vw, 300px);
  font-size: clamp(1.8rem, min(6vw, 9vh), 4.5rem);
  padding: clamp(.6rem, 2vh, 1.6rem) clamp(1rem, 3vw, 2.4rem);
}

/* ---- iki kisilik ----
   Ekran ENINE genisse (akilli tahta, dizustu) iki oyuncu YAN YANA durur ve
   ikisinin de yazisi duz gelir: tahtanin onunde omuz omuza oynarlar.
   Ekran BOYUNA uzunsa (masaya duz konmus tablet) alt-ust bolunur ve ustteki
   tarafin yazisi 180 doner: karsilikli oturup oynarlar. */
.hz-tahta.ikili { gap: .5rem; min-height: 76dvh; }
.hz-tahta.ikili .hz-yari { flex: 1; justify-content: center; }

@media (max-aspect-ratio: 1/1) {
  .hz-tahta.ikili .hz-yari.ters { transform: rotate(180deg); }
}

@media (min-aspect-ratio: 1/1) {
  .hz-tahta.ikili { flex-direction: row; align-items: stretch; }
  /* Sure cubugu iki oyuncunun arasinda dikey bir serit olur. */
  .hz-tahta.ikili > .hz-cubuk {
    width: 16px; height: auto; flex: 0 0 16px;
    display: flex; align-items: flex-end;
  }
  .hz-tahta.ikili > .hz-cubuk i {
    width: 100%; height: 100%;
    background: linear-gradient(180deg, #22c55e, #eab308 45%, #f97316 75%, #dc2626);
  }
  .hz-tahta.ikili .hz-soru { font-size: clamp(2.4rem, min(9vw, 15vh), 6rem); }
  .hz-tahta.ikili .hz-sik {
    min-width: clamp(100px, 9vw, 200px);
    font-size: clamp(1.5rem, min(4vw, 6vh), 3rem);
    padding: clamp(.5rem, 1.6vh, 1.2rem) clamp(.8rem, 2vw, 1.8rem);
  }
}

.hz-yari {
  display: flex; flex-direction: column; align-items: center; gap: .7rem;
  background: var(--kart); border: 1px solid var(--cizgi);
  border-radius: var(--r-m); box-shadow: var(--golge);
  padding: 1rem .8rem;
}
.hz-serit {
  display: flex; align-items: baseline; gap: .9rem;
  font-weight: 800; color: var(--metin-soluk); font-size: .95rem;
}
.hz-ad { color: var(--mor); }
.hz-puan { font-size: 1.5rem; color: var(--metin); font-variant-numeric: tabular-nums; }
.hz-sure { font-variant-numeric: tabular-nums; }

.hz-soru {
  font-weight: 900; line-height: 1;
  font-size: clamp(2.4rem, 9vw, 4rem);
  color: var(--mor); font-variant-numeric: tabular-nums;
  transition: color .15s ease;
}
.hz-soru.iyi  { color: var(--yesil); }
.hz-soru.kotu { color: var(--kirmizi); }

.hz-secenekler { display: flex; gap: .6rem; flex-wrap: wrap; justify-content: center; }
.hz-sik {
  min-width: 96px; min-height: calc(var(--dokunma) + 14px);
  padding: .6rem 1.2rem;
  border: 3px solid var(--cizgi); border-radius: 999px;
  background: var(--zemin); color: inherit;
  font: inherit; font-weight: 900; font-size: 1.6rem;
  font-variant-numeric: tabular-nums; cursor: pointer;
  transition: transform .08s, background .15s, border-color .15s;
  -webkit-tap-highlight-color: transparent;
}
.hz-sik:hover:not(:disabled) { border-color: var(--mor-ac); background: var(--mor-cok); }
.hz-sik:active:not(:disabled) { transform: scale(.95); }
.hz-sik.dogru  { border-color: var(--yesil); background: #dcfce7; color: #14532d; }
.hz-sik.yanlis { border-color: var(--kirmizi); background: #fee2e2; color: #7f1d1d; }
.hz-sik:disabled { cursor: default; }

/* Sure cubugu: genisligi sayacin suresince sifira iner. */
.hz-cubuk {
  height: 16px; border-radius: 999px; overflow: hidden;
  background: var(--cizgi); width: 100%;
}
.hz-cubuk i {
  display: block; height: 100%; width: 100%;
  background: linear-gradient(90deg, #22c55e, #eab308 45%, #f97316 75%, #dc2626);
}

@media (prefers-reduced-motion: reduce) {
  .hz-soru, .hz-sik { transition: none; }
}