/* ===========================================================
   Risale-i Nur Sınavı — Mobile-first, canlı arayüz
   =========================================================== */

/* ---------- Renk sistemi ---------- */
:root {
  --mor:        #6d28d9;
  --mor-koyu:   #5b21b6;
  --teal:       #0d9488;
  --teal-acik:  #14b8a6;
  --amber:      #f59e0b;
  --yesil:      #16a34a;
  --yesil-acik: #22c55e;
  --kirmizi:    #dc2626;
  --kirmizi-a:  #ef4444;

  --bg-grad: linear-gradient(160deg, #7c3aed 0%, #6d28d9 35%, #0d9488 100%);
  --kart:       #ffffff;
  --kart-alt:   #f7f5ff;
  --metin:      #1e1b4b;
  --metin-sol:  #4b5563;
  --cizgi:      #e5e0f5;
  --golge:      0 10px 30px rgba(76, 29, 149, .18);
  --golge-yum:  0 4px 14px rgba(76, 29, 149, .12);

  --r-buyuk: 22px;
  --r-orta:  16px;
  --r-kucuk: 12px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-grad: linear-gradient(160deg, #2e1065 0%, #1e1b4b 45%, #042f2e 100%);
    --kart:      #211d3d;
    --kart-alt:  #2a2550;
    --metin:     #f1eefe;
    --metin-sol: #b8b2d8;
    --cizgi:     #3a3466;
    --golge:     0 10px 30px rgba(0, 0, 0, .45);
    --golge-yum: 0 4px 14px rgba(0, 0, 0, .3);
  }
}

/* ---------- Temel ---------- */
* { box-sizing: border-box; margin: 0; padding: 0; }

/* hidden özniteliği her zaman gizlesin — sınıf tanımlı display'leri ezmesin */
[hidden] { display: none !important; }

html { -webkit-text-size-adjust: 100%; }

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  color: var(--metin);
  background: var(--bg-grad);
  background-attachment: fixed;
  min-height: 100dvh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.app {
  width: 100%;
  max-width: 640px;
  margin: 0 auto;
  padding: max(16px, env(safe-area-inset-top)) 16px calc(16px + env(safe-area-inset-bottom));
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

/* ---------- Ekran geçişleri ---------- */
.screen {
  flex: 1;
  display: flex;
  flex-direction: column;
  animation: ekran-gir .35s ease both;
}
.screen[hidden] { display: none; }

@keyframes ekran-gir {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---------- Butonlar ---------- */
.btn {
  font: inherit;
  font-weight: 700;
  border: none;
  border-radius: 999px;
  padding: 14px 22px;
  min-height: 50px;
  cursor: pointer;
  transition: transform .12s ease, box-shadow .2s ease, background .2s ease, opacity .2s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.btn:active { transform: scale(.96); }
.btn:disabled { opacity: .4; cursor: not-allowed; }
.btn:focus-visible { outline: 3px solid var(--amber); outline-offset: 2px; }

.btn--birincil { background: var(--mor); color: #fff; box-shadow: var(--golge-yum); }
.btn--birincil:hover:not(:disabled) { background: var(--mor-koyu); }
.btn--ikincil  { background: var(--kart-alt); color: var(--metin); box-shadow: inset 0 0 0 2px var(--cizgi); }
.btn--basari   { background: var(--yesil); color: #fff; box-shadow: var(--golge-yum); }
.btn--basari:hover:not(:disabled) { background: #15803d; }
.btn--buyuk    { padding: 17px 30px; font-size: 1.1rem; width: 100%; }

.btn-metin {
  background: none; border: none; color: inherit; font: inherit;
  cursor: pointer; padding: 6px 4px; opacity: .8; font-weight: 600;
}
.btn-metin:hover { opacity: 1; }

/* ===========================================================
   KARŞILAMA
   =========================================================== */
.screen--home { justify-content: center; }

.home-card {
  background: var(--kart);
  border-radius: var(--r-buyuk);
  padding: 34px 24px 28px;
  box-shadow: var(--golge);
  text-align: center;
}

.home-emoji {
  font-size: 4rem;
  line-height: 1;
  animation: yumusak-zipla 3s ease-in-out infinite;
}
@keyframes yumusak-zipla {
  0%,100% { transform: translateY(0); }
  50%     { transform: translateY(-8px); }
}

.home-baslik {
  font-size: 1.7rem;
  margin-top: 12px;
  background: linear-gradient(90deg, var(--mor), var(--teal));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.home-alt { color: var(--metin-sol); margin-top: 6px; font-size: 1rem; }

.home-rozetler { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; margin: 18px 0 22px; }
.rozet {
  background: var(--kart-alt);
  color: var(--metin-sol);
  border: 1px solid var(--cizgi);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: .85rem;
  font-weight: 600;
}
.rozet--vurgu { background: var(--mor); color: #fff; border-color: transparent; }

.home-aksiyon { display: flex; flex-direction: column; gap: 10px; }
.home-devam-not { color: var(--metin-sol); font-size: .95rem; margin-bottom: 4px; }

.home-ipucu {
  margin-top: 20px;
  font-size: .82rem;
  color: var(--metin-sol);
  line-height: 1.7;
}
.home-ipucu b { color: var(--mor); }
@media (prefers-color-scheme: dark) { .home-ipucu b { color: var(--teal-acik); } }

/* ===========================================================
   SORU EKRANI
   =========================================================== */
.soru-ust { margin-bottom: 18px; }
.soru-ust-satir {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: #fff;
  margin-bottom: 12px;
}
.soru-sayac {
  font-weight: 700;
  background: rgba(255,255,255,.18);
  padding: 5px 14px;
  border-radius: 999px;
  font-size: .9rem;
  backdrop-filter: blur(4px);
}
.btn-cikis, #btn-cikis { color: #fff; }
.inceleme-etiket {
  font-weight: 700; font-size: .85rem; color: #fff;
  background: var(--amber); padding: 5px 12px; border-radius: 999px;
}

.ilerleme {
  height: 10px;
  background: rgba(255,255,255,.25);
  border-radius: 999px;
  overflow: hidden;
}
.ilerleme-dolgu {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--amber), var(--yesil-acik));
  border-radius: 999px;
  transition: width .4s cubic-bezier(.4,0,.2,1);
}

.soru-govde {
  background: var(--kart);
  border-radius: var(--r-buyuk);
  padding: 24px 20px;
  box-shadow: var(--golge);
  flex: 1;
}

.soru-metin {
  font-size: 1.18rem;
  font-weight: 700;
  line-height: 1.45;
  margin-bottom: 22px;
}

.secenekler { display: flex; flex-direction: column; gap: 12px; }

.secenek {
  display: flex;
  align-items: center;
  gap: 14px;
  text-align: left;
  width: 100%;
  background: var(--kart-alt);
  border: 2px solid var(--cizgi);
  border-radius: var(--r-orta);
  padding: 14px 16px;
  min-height: 56px;
  font: inherit;
  color: var(--metin);
  cursor: pointer;
  transition: transform .12s ease, border-color .18s, background .18s, box-shadow .18s;
}
.secenek:hover { border-color: var(--mor); }
.secenek:active { transform: scale(.98); }
.secenek:focus-visible { outline: 3px solid var(--amber); outline-offset: 2px; }

.secenek-harf {
  flex: 0 0 auto;
  width: 34px; height: 34px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--cizgi);
  display: grid; place-items: center;
  font-weight: 800;
  color: var(--mor);
  transition: background .18s, color .18s, border-color .18s;
}
@media (prefers-color-scheme: dark) { .secenek-harf { background: #1a1733; } }
.secenek-yazi { flex: 1; }

/* seçili (cevaplama modu) */
.secenek.is-secili {
  border-color: var(--mor);
  background: color-mix(in srgb, var(--mor) 12%, var(--kart-alt));
  box-shadow: var(--golge-yum);
}
.secenek.is-secili .secenek-harf { background: var(--mor); color: #fff; border-color: var(--mor); }

/* inceleme modu — doğru cevap */
.secenek.is-dogru {
  border-color: var(--yesil);
  background: color-mix(in srgb, var(--yesil) 14%, var(--kart-alt));
}
.secenek.is-dogru .secenek-harf { background: var(--yesil); color: #fff; border-color: var(--yesil); }
/* inceleme modu — kullanıcının yanlış seçimi */
.secenek.is-yanlis {
  border-color: var(--kirmizi);
  background: color-mix(in srgb, var(--kirmizi) 12%, var(--kart-alt));
}
.secenek.is-yanlis .secenek-harf { background: var(--kirmizi); color: #fff; border-color: var(--kirmizi); }

.secenek .isaret { margin-left: auto; font-size: 1.2rem; }

.inceleme-sonuc {
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: var(--r-orta);
  font-weight: 700;
  animation: ekran-gir .3s ease both;
}
.inceleme-sonuc.dogru  { background: color-mix(in srgb, var(--yesil) 15%, transparent); color: var(--yesil); }
.inceleme-sonuc.yanlis { background: color-mix(in srgb, var(--kirmizi) 15%, transparent); color: var(--kirmizi); }
.inceleme-sonuc.bos    { background: var(--kart-alt); color: var(--metin-sol); }
@media (prefers-color-scheme: dark) {
  .inceleme-sonuc.dogru  { color: var(--yesil-acik); }
  .inceleme-sonuc.yanlis { color: var(--kirmizi-a); }
}

.soru-alt {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}
/* Geri / İleri / Bitir aynı satırda eşit paylaşır */
#btn-geri, #btn-ileri, #btn-bitir { flex: 1 1 0; min-width: 0; }
/* Sonuçlara Dön inceleme modunda kendi tam-genişlik satırında durur */
#btn-incele-don { flex: 1 1 100%; }
/* Dar ekranda metin sıkışmasın: yatay padding küçülür, taşma engellenir */
.soru-alt .btn {
  padding-left: 12px;
  padding-right: 12px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ===========================================================
   SONUÇ EKRANI
   =========================================================== */
.sonuc-ozet {
  background: var(--kart);
  border-radius: var(--r-buyuk);
  padding: 28px 22px;
  box-shadow: var(--golge);
  text-align: center;
  margin-bottom: 18px;
}
.sonuc-baslik { font-size: 1.5rem; margin-bottom: 18px; }

.puan-daire {
  --yuzde: 0;
  width: 170px; height: 170px;
  border-radius: 50%;
  margin: 0 auto 16px;
  display: grid; place-items: center;
  background:
    radial-gradient(closest-side, var(--kart) 76%, transparent 77% 100%),
    conic-gradient(var(--yesil-acik) calc(var(--yuzde) * 1%), var(--cizgi) 0);
  transition: background .1s;
}
.puan-ic { display: flex; flex-direction: column; line-height: 1; }
.puan-buyuk { font-size: 3rem; font-weight: 800; color: var(--mor); }
@media (prefers-color-scheme: dark) { .puan-buyuk { color: var(--teal-acik); } }
.puan-kucuk { font-size: .95rem; color: var(--metin-sol); margin-top: 4px; }

.sonuc-dogru-sayi { font-size: 1.2rem; font-weight: 700; margin-bottom: 6px; }
.sonuc-mesaj { color: var(--metin-sol); margin-bottom: 20px; min-height: 1.5em; }

/* Filtreler */
.filtreler {
  display: flex;
  gap: 8px;
  margin-bottom: 14px;
}
.filtre-btn {
  flex: 1;
  font: inherit;
  font-weight: 700;
  font-size: .9rem;
  padding: 11px 6px;
  border-radius: var(--r-kucuk);
  border: 2px solid transparent;
  background: rgba(255,255,255,.85);
  color: var(--metin);
  cursor: pointer;
  transition: background .18s, transform .12s;
  white-space: nowrap;
}
@media (prefers-color-scheme: dark) { .filtre-btn { background: var(--kart); } }
.filtre-btn:active { transform: scale(.96); }
.filtre-btn.is-aktif { background: var(--mor); color: #fff; }
.filtre-btn span { opacity: .75; font-weight: 800; }

/* Sonuç listesi */
.sonuc-liste { list-style: none; display: flex; flex-direction: column; gap: 10px; }

.sonuc-oge {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  text-align: left;
  background: var(--kart);
  border: none;
  border-left: 5px solid var(--cizgi);
  border-radius: var(--r-orta);
  padding: 14px 16px;
  cursor: pointer;
  font: inherit;
  color: var(--metin);
  box-shadow: var(--golge-yum);
  transition: transform .12s ease, box-shadow .18s;
  animation: ekran-gir .3s ease both;
}
.sonuc-oge:hover { transform: translateX(3px); }
.sonuc-oge:focus-visible { outline: 3px solid var(--amber); outline-offset: 2px; }
.sonuc-oge.dogru  { border-left-color: var(--yesil); }
.sonuc-oge.yanlis { border-left-color: var(--kirmizi); }

.oge-durum { font-size: 1.4rem; flex: 0 0 auto; animation: pop .35s ease both; }
@keyframes pop { 0% { transform: scale(0); } 70% { transform: scale(1.25); } 100% { transform: scale(1); } }

.oge-metin { flex: 1; min-width: 0; }
.oge-no { font-weight: 800; color: var(--mor); margin-right: 6px; }
@media (prefers-color-scheme: dark) { .oge-no { color: var(--teal-acik); } }
.oge-soru {
  font-size: .95rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.oge-ok { color: var(--metin-sol); flex: 0 0 auto; }

.liste-bos {
  text-align: center;
  color: rgba(255,255,255,.9);
  padding: 30px 10px;
  font-weight: 600;
}

/* ---------- Masaüstü ---------- */
@media (min-width: 700px) {
  .app { padding-top: 40px; padding-bottom: 40px; }
  .home-baslik { font-size: 2.1rem; }
  .home-emoji { font-size: 5rem; }
  .soru-metin { font-size: 1.3rem; }
  .soru-govde { padding: 32px 30px; }
  .home-card { padding: 44px 40px 34px; }
}

/* ---------- Hareket azaltma tercihi ---------- */
@media (prefers-reduced-motion: reduce) {
  *, .home-emoji, .screen, .sonuc-oge, .oge-durum, .inceleme-sonuc {
    animation: none !important;
    transition: none !important;
  }
}