* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: #202124;
  background: #F4F5F6;
  line-height: 1.6;
}
.logo-i { position: relative; }
.logo-i::after {
  content: "";
  position: absolute;
  top: -0.05em;
  left: 50%;
  transform: translateX(-50%);
  width: 0.16em;
  height: 0.16em;
  border-radius: 50%;
  background: #E4342F;
}
.giris-sayfasi {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 20px;
  background: linear-gradient(180deg, #E3F2E9 0%, #F4F5F6 100%);
}
.giris-kart {
  width: min(400px, 100%);
  padding: 34px 30px;
  background: #fff;
  border: 1px solid #E5E8E9;
  border-radius: 16px;
  box-shadow: 0 12px 34px rgba(60, 64, 67, 0.16);
  text-align: center;
}
.giris-logo { font-size: 23px; font-weight: 800; color: #17191C; }
.giris-logo small { font-size: 13px; font-weight: 600; color: #5F6368; margin-left: 6px; }
.giris-alt { margin: 6px 0 20px; font-size: 13.5px; font-weight: 600; color: #5F6368; }
.giris-kart form { display: flex; flex-direction: column; gap: 6px; text-align: left; }
.giris-kart label { font-size: 13px; font-weight: 700; margin-top: 8px; }
.giris-kart input {
  min-height: 48px;
  padding: 10px 14px;
  font-family: inherit;
  font-size: 15px;
  border: 1.5px solid #DADCE0;
  border-radius: 12px;
  outline: none;
  transition: all 150ms ease;
}
.giris-kart input:focus { border-color: #4285F4; box-shadow: 0 0 0 3px rgba(66, 133, 244, 0.18); }
.giris-kart button {
  margin-top: 16px;
  min-height: 48px;
  border: none;
  border-radius: 12px;
  background: #4285F4;
  color: #fff;
  font-family: inherit;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: background 150ms ease;
}
.giris-kart button:hover { background: #3367D6; }
.giris-hata { margin-bottom: 12px; padding: 10px 14px; border-radius: 10px; background: #FDECEA; color: #C5221F; font-size: 13.5px; font-weight: 600; }
.giris-bilgi { margin-bottom: 12px; padding: 10px 14px; border-radius: 10px; background: #E6F4EC; color: #0B7A44; font-size: 13.5px; font-weight: 600; }
.giris-unut { display: inline-block; margin-top: 16px; font-size: 13.5px; font-weight: 600; color: #4285F4; text-decoration: none; }
.giris-unut:hover { text-decoration: underline; }
.panel-ust {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: #fff;
  border-bottom: 1px solid #E5E8E9;
}
.panel-kullanici { display: flex; align-items: center; gap: 14px; font-size: 14px; font-weight: 600; }
.panel-kullanici a { color: #C5221F; text-decoration: none; }
.panel-icerik { max-width: 960px; margin: 0 auto; padding: 40px 24px; }
.panel-icerik h1 { font-size: 26px; margin-bottom: 10px; }
.sifre-ipucu { display: block; margin: 2px 0 4px; font-size: 12px; font-weight: 500; color: #5F6368; line-height: 1.5; }