/* --- LOGIN SCREEN --- */
#login-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 5000;
  display: flex;
  justify-content: center;
  align-items: center;

  /* Arka plan görseli: resim.png (dosya kökte, CSS /css içinde olduğu için ../) */
  background: linear-gradient(rgba(14, 27, 66, 0.6), rgba(14, 27, 66, 0.6)),
    url("giris.png");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;

  /* İstersen sabit dursun */
  background-attachment: fixed;
}

.login-card {
  /* Glassmorphism (cam efekti) */
  background: rgba(28, 36, 56, 0.55);
  padding: 15px 42px;
  border-radius: 14px;
  text-align: center;
  width: 320px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.55),
    0 0 0 1px rgba(255, 255, 255, 0.08) inset;
  border: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  position: relative;
  overflow: hidden;
}

.login-card::before {
  /* Üstten hafif parıltı */
  content: "";
  position: absolute;
  inset: -1px;
  background: radial-gradient(circle at 30% 10%,
      rgba(255, 255, 255, 0.16),
      transparent 55%);
  pointer-events: none;
}

.login-logo-img {
  width: 75px;
  height: 75px;
  object-fit: contain;
  margin-bottom: 0px;
  filter: drop-shadow(0 0 10px rgba(207, 10, 44, 0.3));
}

.login-card h2 {
  margin-top: 5px !important;
  margin-bottom: 0px !important;
  font-weight: 700;
  color: #fff;
}

.login-card h2 strong {
  font-weight: 900;
}

.login-card p {
  margin-top: 5px !important;
  margin-bottom: 25px !important;
}

/* Login alt başlık (Personel Girişi) kurumsal gri */
.login-subtitle {
  color: var(--corp-gray) !important;
}

.login-input {
  width: 100%;
  padding: 12px;
  margin: 8px 0;
  background: #2c344a;
  color: #fff;
  border: 1px solid #3a4563;
  border-radius: 6px;
  text-align: center;
  box-sizing: border-box;
  font-size: 0.9rem;
  outline: none;
  transition: 0.3s;
}

.login-input:focus {
  border-color: var(--secondary);
  background: #323c54;
}

.login-btn {
  width: 100%;
  padding: 12px;
  background: var(--secondary);
  border: none;
  border-radius: 8px;
  font-weight: 800;
  cursor: pointer;
  margin-top: 15px;
  /* "Giriş Yap" yazısı beyaz */
  color: #ffffff;
  transition: 0.2s;
  box-shadow: 0 8px 20px rgba(207, 10, 44, 0.18);
}

.login-btn:hover {
  background: #b50925;
  box-shadow: 0 10px 26px rgba(207, 10, 44, 0.28),
    0 0 18px rgba(207, 10, 44, 0.35);
  /* hafif glow */
  transform: translateY(-1px);
}

.login-btn:active {
  transform: translateY(0px);
  box-shadow: 0 6px 16px rgba(207, 10, 44, 0.22);
}

.login-btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(14, 27, 66, 0.55), 0 0 0 6px rgba(207, 10, 44, 0.3),
    0 0 18px rgba(207, 10, 44, 0.35);
  /* glow */
}

.loading-text {
  font-size: 0.8rem;
  color: #666;
  margin-top: 10px;
  display: none;
}

#maintenance-screen {
  display: none !important;
}

#main-app {
  display: none;
}