/* ===== LOGIN — OBSERVADOR DEL ESTUDIANTE ===== */

/* ----- GENERAL ----- */
body {
  background: #f4f6f9;
  font-family: Poppins, sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  margin: 0;
  padding: 15px; /* para evitar bordes pegados en celulares */
  box-sizing: border-box;
}

/* ----- TARJETA ----- */
.card {
  background: white;
  width: 90%;            /* RESPONSIVE */
  max-width: 380px;      /* límite en PC */
  padding: 30px 25px;
  border-radius: 16px;
  box-shadow: 0 6px 18px rgba(0,0,0,0.15);
  text-align: center;
  box-sizing: border-box;
}

/* ----- IMAGEN ESCUDO ----- */
.logo {
  width: 110px;
  height: auto;
  margin-bottom: 18px;
}

/* ----- TEXTOS ----- */
.title {
  font-size: 22px;
  font-weight: 700;
  color: #1E3A8A;
  margin-bottom: 5px;
}

.subtitle {
  font-size: 14px;
  color: #555;
  margin-bottom: 22px;
}

/* ----- INPUTS ----- */
input {
  width: 100%;
  padding: 13px;
  border-radius: 10px;
  border: 1px solid #ccc;
  margin-bottom: 18px;
  font-size: 14px;
  background: white;
  transition: 0.2s ease-in-out;
  box-sizing: border-box;
}

input:focus {
  outline: none;
  border-color: #1E3A8A;
  box-shadow: 0 0 6px rgba(30,58,138,0.30);
}

/* ----- BOTÓN ----- */
button {
  width: 100%;
  padding: 13px;
  background: #F87C2D;
  color: white;
  border: none;
  border-radius: 10px;
  font-weight: bold;
  cursor: pointer;
  font-size: 15px;
  margin-top: 10px;
}

button:hover {
  background: #d8681f;
}

/* ----- ERROR ----- */
.error {
  background: #ffcccc;
  padding: 10px;
  border-radius: 8px;
  color: #900;
  margin-bottom: 12px;
}

/* ----- MOBILE OPTIMIZATION ----- */
@media (max-width: 400px) {
  .card {
    padding: 20px 15px;
  }

  .logo {
    width: 95px;
  }

  .title {
    font-size: 20px;
  }
}