/*
 * Ortak giris ekrani - hem personel arayuzu (index.html) hem firma
 * portali (portal.html) ayni ekrani gosterir. Iki arayuzun kendi CSS
 * dosyalari (style.css / portal.css) farkli oldugu icin bu ekran KENDI
 * sinif isimlerini (gr-*) ve kendi renklerini tasir; boylece hangi
 * sayfadan acilirsa acilsin birebir ayni gorunur.
 */
.gr-sarmal {
  --gr-lacivert: #16215c;
  --gr-mavi: #2f5fd6;
  --gr-mavi-koyu: #23439c;
  --gr-mavi-acik: #eef2fd;
  --gr-metin: #1c2333;
  --gr-soluk: #5b6577;
  --gr-cizgi: #e2e6ef;
  --gr-beyaz: #fff;
  --gr-kirmizi: #d0342c;
  --gr-kirmizi-zemin: #fdeceb;

  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 28px 16px calc(36px + env(safe-area-inset-bottom));
  font-family: 'Inter', system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--gr-metin);
  background:
    radial-gradient(circle at 20% 15%, rgba(47, 95, 214, .10), transparent 45%),
    radial-gradient(circle at 85% 85%, rgba(245, 158, 11, .08), transparent 40%);
}

.gr-marka {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  margin-bottom: 24px;
  text-align: center;
}

.gr-marka img {
  width: 76px;
  height: 76px;
  filter: drop-shadow(0 3px 10px rgba(22, 33, 92, .25));
}

.gr-marka__ad {
  font-size: 1.28rem;
  font-weight: 800;
  color: var(--gr-lacivert);
  letter-spacing: -.01em;
}

.gr-marka__alt { font-size: .85rem; color: var(--gr-soluk); font-weight: 500; }

.gr-kart {
  width: 100%;
  max-width: 390px;
  background: var(--gr-beyaz);
  border-radius: 14px;
  box-shadow: 0 10px 30px rgba(16, 24, 64, .14);
  overflow: hidden;
}

/* ---------------- sekmeler ---------------- */

.gr-sekmeler {
  display: flex;
  border-bottom: 1px solid var(--gr-cizgi);
  background: #fafbfe;
}

.gr-sekme {
  flex: 1;
  font-family: inherit;
  font-size: .92rem;
  font-weight: 600;
  color: var(--gr-soluk);
  background: transparent;
  border: none;
  /* Alttaki cizgi aktif sekmede renklenir; yer degistirmesin diye
     pasif haldeyken de ayni kalinlikta seffaf duruyor. */
  border-bottom: 3px solid transparent;
  padding: 15px 10px 12px;
  cursor: pointer;
}

.gr-sekme--aktif {
  color: var(--gr-mavi-koyu);
  background: var(--gr-beyaz);
  border-bottom-color: var(--gr-mavi);
}

.gr-govde { padding: 22px 20px 24px; }

.gr-baslik {
  font-size: 1.02rem;
  font-weight: 700;
  margin: 0 0 6px;
  text-align: center;
}

.gr-aciklama {
  font-size: .87rem;
  color: var(--gr-soluk);
  line-height: 1.5;
  text-align: center;
  margin: 0 0 18px;
}

/* ---------------- form ---------------- */

.gr-alan { margin-bottom: 14px; }

.gr-alan label {
  display: block;
  font-size: .81rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--gr-metin);
}

.gr-govde input {
  width: 100%;
  box-sizing: border-box;
  /* 16px'in altina dusmemeli: iOS Safari odaklaninca sayfayi zorla
     yakinlastiriyor ve duzen bozuluyor. */
  font-size: 16px;
  font-family: inherit;
  padding: 12px 14px;
  border: 1px solid var(--gr-cizgi);
  border-radius: 9px;
  background: var(--gr-beyaz);
  color: var(--gr-metin);
}

.gr-govde input:focus {
  outline: none;
  border-color: var(--gr-mavi);
  box-shadow: 0 0 0 3px rgba(47, 95, 214, .15);
}

.gr-kod {
  text-align: center;
  letter-spacing: .5em;
  text-indent: .5em;
  font-size: 24px !important;
  font-weight: 700;
}

.gr-btn {
  width: 100%;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  padding: 13px 18px;
  border: none;
  border-radius: 9px;
  background: var(--gr-mavi);
  color: var(--gr-beyaz);
  cursor: pointer;
  margin-top: 6px;
}

.gr-btn:active { transform: translateY(1px); }
.gr-btn:disabled { opacity: .6; cursor: default; }

.gr-btn--sade {
  background: transparent;
  color: var(--gr-mavi);
  padding: 10px;
  margin-top: 8px;
  font-size: .9rem;
}

/* Metin bagi gorunumlu buton: "Şifremi unuttum" gibi ikincil cikislar
   asil eylemle ayni agirlikta gorunmesin diye butondan ziyade bag gibi. */
.gr-bag {
  display: block;
  width: 100%;
  margin-top: 12px;
  padding: 0;
  border: none;
  background: none;
  font-family: inherit;
  font-size: .84rem;
  color: var(--gr-mavi);
  text-align: center;
  text-decoration: underline;
  cursor: pointer;
}

.gr-bag:disabled { opacity: .6; cursor: default; text-decoration: none; }

/* Alan alti kural aciklamasi (ornegin sifre uzunlugu). */
.gr-ipucu {
  margin: 6px 0 0;
  font-size: .76rem;
  color: var(--gr-soluk);
}

.gr-uyari {
  margin-top: 14px;
  padding: 11px 13px;
  border-radius: 9px;
  font-size: .87rem;
  line-height: 1.45;
  background: var(--gr-kirmizi-zemin);
  color: var(--gr-kirmizi);
}

.gr-dipnot {
  margin-top: 18px;
  font-size: .78rem;
  color: var(--gr-soluk);
  text-align: center;
  line-height: 1.5;
}

@media (max-width: 380px) {
  .gr-sekme { font-size: .85rem; padding: 14px 6px 11px; }
  .gr-marka img { width: 64px; height: 64px; }
}

/* Bilgi kutusu (hata degil): "yeni kod gonderildi" gibi durumlar. */
.gr-uyari--bilgi {
  background: var(--gr-mavi-acik);
  color: var(--gr-mavi-koyu);
}