/* Importar fuente */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600&display=swap');

:root {
  --color-principal: #e63946; /* Rojo principal */
  --color-fondo: #121212;     /* Fondo oscuro */
  --color-fondo-sec: #1d1d1d; /* Fondo cajas */
  --color-texto: #fff;        /* Texto blanco */
  --color-texto-sec: #ccc;    /* Texto secundario */
}

body {
  margin: 0;
  padding: 0;
  font-family: 'Poppins', sans-serif;
  background-color: var(--color-fondo);
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  color: var(--color-texto);
}

/* FORMULARIO LOGIN */
.formulario {
  background: var(--color-fondo-sec);
  padding: 40px 30px;
  border-radius: 15px;
  box-shadow: 0px 0px 20px rgba(0, 0, 0, 0.4);
  width: 100%;
  max-width: 400px;
  text-align: center;
}

.formulario h1 {
  margin-bottom: 30px;
  font-size: 28px;
  color: var(--color-principal);
}

.usuario, .contraseña {
  position: relative;
  margin-bottom: 25px;
}

.usuario input,
.contraseña input {
  width: 100%;
  padding: 10px 10px 10px 0;
  border: none;
  border-bottom: 2px solid var(--color-principal);
  outline: none;
  background: transparent;
  color: var(--color-texto);
  font-size: 16px;
}

.usuario label,
.contraseña label {
  position: absolute;
  top: 10px;
  left: 0;
  color: var(--color-texto-sec);
  font-size: 16px;
  transition: 0.3s ease all;
  pointer-events: none;
}

.usuario input:focus ~ label,
.usuario input:valid ~ label,
.contraseña input:focus ~ label,
.contraseña input:valid ~ label {
  top: -15px;
  font-size: 12px;
  color: var(--color-principal);
}

.recordar {
  text-align: right;
  margin-bottom: 20px;
  font-size: 14px;
  color: var(--color-texto-sec);
}

.login-btn {
  width: 100%;
  background: var(--color-principal);
  color: var(--color-texto);
  padding: 12px;
  border: none;
  border-radius: 25px;
  font-size: 16px;
}

.login-btn:hover {
  background: #ff5a5f;
}

.Registrarse {
  margin-top: 20px;
  font-size: 14px;
  color: var(--color-texto-sec);
}

.Registrarse a {
  color: var(--color-principal);
  text-decoration: none;
}

.Registrarse a:hover {
  text-decoration: underline;
}

/* NAV */
.navtop {
  background-color: var(--color-fondo-sec);
  color: var(--color-texto);
  padding: 15px;
  text-align: center;
  font-weight: bold;
  font-size: 18px;
  position: fixed;
  width: 100%;
  top: 0;
  left: 0;
  z-index: 1000;
}

.logout-link {
  color: var(--color-texto);
  float: right;
  margin-right: 20px;
  text-decoration: none;
}

.logout-link:hover {
  text-decoration: underline;
}

/* BIENVENIDA */
.bienvenida-box {
  max-width: 500px;
  background: var(--color-fondo-sec);
  padding: 30px;
  border-radius: 15px;
  box-shadow: 0 0 10px rgba(0,0,0,0.4);
  text-align: center;
  color: var(--color-principal);
  font-size: 20px;
  margin: 120px auto 0;
}

/* FORMULARIO OSCURO */
.form-container {
    max-width: 800px;
    margin: 60px auto;
    padding: 25px;
    background: transparent;
}

.form-container h2 {
    text-align: center;
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 30px;
    color: var(--color-principal);
}

.form-container form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.form-container form input,
.form-container form select,
.form-container form textarea {
    background: var(--color-fondo-sec);
    color: var(--color-texto);
    padding: 14px;
    border: none;
    border-radius: 5px;
    font-size: 15px;
    outline: none;
    transition: background 0.3s ease;
}

.form-container form input::placeholder,
.form-container form textarea::placeholder {
    color: var(--color-texto-sec);
}

.form-container form input:focus,
.form-container form select:focus,
.form-container form textarea:focus {
    background: #111;
}

.form-container form textarea {
    grid-column: span 2;
    resize: none;
    height: 120px;
}

.form-container button {
    grid-column: span 2;
    padding: 14px;
    background: var(--color-principal);
    color: var(--color-texto);
    font-size: 16px;
    font-weight: 600;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: background 0.3s ease;
}

.form-container button:hover {
    background: #ff5a5f;
}