:root {
  --azul-corporativo: #003366;
  --azul-medio: #005B99;
  --celeste-tecnico: #66A3CC;
  --gris-metalico: #B3B3B3;
  --blanco: #FFFFFF;
  --gris-oscuro: #333333;
}
body {
  min-height: 100vh;
  background: 
        linear-gradient(rgba(0,36,80,0.40), rgba(31,41,55,0.70)),
    url('../img/fondoInicio3.png') center center/cover no-repeat;
  position: relative;
}
.background-overlay {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}
.box-area {
  background: rgba(255,255,255,0.97);
  border-radius: 1.4rem;
  box-shadow: 0 6px 22px rgba(0,34,51,0.18);
  overflow: hidden;
  max-width: 800px;
}

.login-left {
  background: var(--azul-corporativo);
  color: var(--blanco);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.login-left img {
  max-width: 70%;
  border-radius: 14px;
  box-shadow: 0 2px 10px rgba(0,34,51,0.15);
}
.login-left h2 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  letter-spacing: 2px;
  margin-top: 1.3rem;
  font-size: 2rem;
  color: var(--blanco);
}
.login-left p {
  font-size: 20px;
  color: var(--celeste-tecnico);
  margin-bottom: 0;
  font-family: 'Poppins', sans-serif;
}
.form-label {
  color: var(--azul-corporativo);
  font-weight: 600;
}
.form-control {
  border-radius: 8px;
  border: 1.5px solid var(--azul-medio);
  background: rgba(255,255,255,0.97);
  color: var(--gris-oscuro);
  font-size: 1rem;
}
.form-control:focus {
  border-color: var(--celeste-tecnico);
  box-shadow: 0 0 5px var(--celeste-tecnico);
}
.btn-prodin {
  background: var(--azul-corporativo);
  color: var(--blanco);
  font-weight: 600;
  border-radius: 10px;
  border: 2px solid var(--azul-medio);
  transition: background .2s, color .2s, border .2s;
  font-size: 1.1rem;
  padding: 0.65em 1.1em;
}
.btn-prodin:hover {
  background: var(--azul-medio);
  border-color: var(--azul-medio);
  color: var(--blanco);
}
.btn-google {
  background: var(--celeste-tecnico);
  color: var(--azul-corporativo);
  border: 2px solid var(--azul-medio);
  font-weight: 600;
  border-radius: 10px;
  transition: background .2s, color .2s;
}
.btn-google:hover {
  background: var(--azul-medio);
  color: var(--blanco);
  border-color: var(--azul-medio);
}
.link-accent {
  color: var(--azul-medio);
  text-decoration: underline;
  font-weight: 500;
}
.link-accent:hover {
  color: var(--azul-corporativo);
}
.error-message {
  color: #d32f2f;
  text-align: center;
  margin-bottom: 1rem;
}

/* ------------------- RESPONSIVE ADDED ------------------- */

/* General mobile fix for container */
@media (max-width: 576px) {
  .container {
    padding-left: 5vw !important;
    padding-right: 5vw !important;
  }
  .prodin-header {
    padding: 18px 8px 14px 8px;
    max-width: 100%;
  }
}

/* Login left column hides in mobile */
@media (max-width: 991px) {
  .login-left { min-height: 200px; }
}
@media (max-width: 767px) {
  .login-left { display: none; }
  .box-area { padding: 1.2rem 0.4rem; }
}

/* Responsive for auth cards */
@media (max-width: 576px) {
  .box-area,
  .card {
    max-width: 98vw !important;
    width: 100% !important;
    min-width: 0 !important;
    margin: 0 auto !important;
    padding: 1.2em 0.6em !important;
    font-size: 1.05rem;
  }
  .card-body {
    padding: 1em 0.2em !important;
  }
  .form-label,
  .form-control,
  .btn,
  .card-title,
  .card p,
  .link-accent {
    font-size: 1.08rem !important;
  }
  .btn, .btn-prodin, .btn-primary {
    padding: 0.8em 1.2em !important;
    font-size: 1.1rem !important;
  }
  .error-message, .alert {
    font-size: 1rem !important;
  }
}

/* Extra: more breathing room for very small screens */
@media (max-width: 400px) {
  .box-area, .card {
    padding: 0.5em 0.2em !important;
  }
  .card-title {
    font-size: 1.05rem !important;
  }
}

/* ------------------- END RESPONSIVE ------------------- */

.prodin-header {
  background: var(--azul-corporativo);
  border-radius: 18px;
  box-shadow: 0 2px 18px rgba(0,34,51,0.13);
  padding: 32px 28px 22px 28px;
  max-width: 420px;
  margin: 0 auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.prodin-header h2 {
  font-size: 2.3rem;
  font-weight: 800;
  letter-spacing: 2px;
  color: var(--blanco);
  margin-bottom: 0.4em;
  font-family: 'Montserrat', sans-serif;
  text-shadow: 0 2px 12px rgba(0,0,0,0.07);
}
.prodin-header .divider {
  width: 48px;
  height: 3px;
  background: linear-gradient(90deg, var(--celeste-tecnico) 60%, #8fd0ff 100%);
  border-radius: 3px;
  margin: 0 auto 16px auto;
}
.prodin-header p {
  font-size: 1.18rem;
  color: var(--celeste-tecnico);
  font-weight: 500;
  letter-spacing: 0.5px;
  margin: 0;
  font-family: 'Poppins', sans-serif;
  text-shadow: 0 1px 8px rgba(0,0,0,0.09);
}