* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}
html {
  font-size: 62.5%;
}

body {
  background-color: #f3f3f3;
  padding: 2rem;
  font-family: 'Poppins', sans-serif;
  color: #444;
  height: 100vh;
}
.help {
  position: absolute;
  top: 1%;
  right: 1%;
  font-size: 2rem;
  display: block;
  padding: 1rem 2rem;
  border-radius: 50%;
  background-color: white;
  cursor: pointer;
}
.help:hover {
  background-color: #333;
  color: #fff;
}
.backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.493);
  backdrop-filter: blur(2px);
  display: none;
  z-index: 100;
}
.modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  background-color: white;
  border: 3px solid #333;
  padding: 2rem 3rem;
  opacity: 0;
  visibility: hidden;
  transform: all 400ms;
  z-index: 101;
}

.open {
  opacity: 1 !important;
  visibility: visible !important;
  display: block;
}

.modal h2 {
  font-size: 2.5rem;
}
.modal__close {
  position: absolute;
  top: 5%;
  font-weight: bold;
  right: 4%;
  font-size: 1.8rem;
  cursor: pointer;
}
.modal p {
  font-size: 1.5rem;
  margin-bottom: 2rem;
}
.modal ul {
  list-style: none;
  font-size: 1.8rem;
  text-align: left;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.modal li {
  margin-bottom: 1rem;
}
.modal__username {
  font-weight: bold;
  margin-right: 1rem;
}
.modal__pin {
  font-weight: bold;
}
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 3rem 2rem;
}

.nav__welcome {
  font-size: 1.9rem;
  font-weight: 600;
}

.nav__logo {
  height: 10.5rem;
}

.nav__form {
  display: flex;
  gap: 1rem;
}

.nav__form input {
  border-radius: 30px;
  border: none;
  background-color: white;
  color: #333;
  padding: 0.5rem 2rem;
  text-align: center;
  color: inherit;
  width: 12rem;
  height: 4rem;
  transition: all 300ms;
}

.nav__form input:focus {
  outline: none;
  border: 1px solid #ccc;
}

.nav__form input::placeholder {
  color: #999;
  text-align: center;
  font-size: 1.4rem;
}

.nav__form button {
  border: none;
  background-color: transparent;
  font-size: 2rem;
  cursor: pointer;
}

.login__btn:hover,
.login__btn:focus,
.btn--sort:hover,
.btn--sort:focus {
  outline: none;
  color: #777;
}

/* MAIN APP */
main {
  max-width: 100rem;
  margin: 4rem auto;
  display: grid;
  grid-template-columns: 4fr 3fr;
  grid-template-rows: auto repeat(3, 15rem) auto;
  gap: 2rem;
  /* opacity: 0; */
  transition: all 1s;
}

.balance {
  display: flex;
  justify-content: space-between;
  grid-column: 1/-1;
}

.textBalance {
  font-size: 2.2rem;
  font-weight: 500;
  margin-bottom: -0.2rem;
}

.dateTime {
  font-size: 1.4rem;
  color: #888;
}

.currentBalance {
  font-size: 4.5rem;
  font-weight: 400;
}

.movements {
  grid-row: 2 / 5;
  overflow: scroll;
  background-color: #fff;
  border-radius: 5px;
}

.movements__row {
  border-bottom: 1px solid #eee;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 2rem 3.5rem;
}

.movements__type {
  font-size: 1.1rem;
  color: white;
  font-weight: 600;
  text-transform: uppercase;
  padding: 0.5rem 1rem;
  border-radius: 30px;
}

.movements__type--deposit {
  background-image: linear-gradient(to top left, #39b385, #9be15d);
}

.movements__type--withdrawal {
  background-image: linear-gradient(to top left, #e52a5a, #ff585f);
}

.movements__date {
  text-transform: uppercase;
  font-size: 1.1rem;
  font-weight: 500;
  color: #666;
}

.movements__value {
  margin-left: auto;
  font-size: 1.7rem;
}

/* SUMMARY */

.summary {
  grid-row: 5/6;
  display: flex;
  align-items: baseline;
  justify-content: space-around;
  padding: 0 0.3rem;
}

.summary__label {
  font-size: 1.2rem;
  text-transform: uppercase;
  font-weight: 500;
  margin-right: 0.8rem;
}

.summary__value {
  font-size: 2.2rem;
  margin-right: 2.5rem;
}

.summary__value--in,
.summary__value--interest {
  color: #66c873;
}

.summary__value--out {
  color: #f5465d;
}

.summary .btn--sort {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.3rem;
  font-weight: 500;
}

/* OPERATIONS */

.operation {
  padding: 3rem 4rem;
  border-radius: 1rem;
  color: #333;
}

.operation h2 {
  margin-bottom: 1.5rem;
  font-size: 1.7rem;
  font-weight: 600;
  color: #333;
}

.operation--transfer {
  background: linear-gradient(to top left, #ffb003, #ffcb03);
}

.operation--loan {
  background: linear-gradient(to top left, #39b385, #9be15d);
}

.operation--close {
  background: linear-gradient(to top left, #e52a5a, #ff585f);
}

.operation .form {
  display: grid;
  grid-template-columns: 2.5fr 2.5fr 1fr;
  grid-template-rows: 3rem auto;
  gap: 0.4rem 1rem;
}

.operation .form__loans {
  grid-template-columns: 2.5fr 1fr 2.5fr;
}

.operation .form__input {
  width: 100%;
  border-radius: 5px;
  background-color: rgba(255, 255, 255, 0.4);
  border: none;
  font-size: 1.5rem;
  text-align: center;
  color: #333;
  padding: 0.3rem 1rem;
  transform: all 300ms;
}

.form__input:focus {
  outline: none;
  background-color: rgba(255, 255, 255, 0.6);
}

.form__label {
  font-size: 1.3rem;
  text-align: center;
}

.form__label--loan {
  grid-row: 2/3;
}

.operation .form__btn {
  background-color: #fff;
  border: none;
  border-radius: 0.7rem;
  cursor: pointer;
  font-size: 1.8rem;
  transform: all 300ms;
  display: flex;
  justify-content: center;
  align-items: baseline;
}

.operation .form__btn:focus {
  outline: none;
  background-color: rgba(255, 255, 255, 0.8);
}
/* TIMER */
.logout__timer {
  justify-self: end;
  align-self: center;
  padding-right: 1rem;
  font-size: 1.25rem;
}

.logout__timer .timer {
  font-weight: bold;
}

@media only screen and (max-width: 900px) {
  .operation {
    padding: 1rem 1.5rem;
  }
}

@media only screen and (max-width: 780px) {
  main {
    grid-template-columns: 3fr 1fr;
    grid-template-rows: auto repeat(3, 15rem) auto auto auto auto;
  }
  .nav__logo {
    height: 7rem;
  }
  .textBalance {
    font-size: 1.8rem;
  }
  .currentBalance {
    font-size: 2.5rem;
    font-weight: bold;
  }
  .summary__value {
    font-size: 1.5rem;
    margin-right: 1.5rem;
  }
  .movements {
    grid-column: 1/-1;
    grid-row: 2/5;
  }

  .operation--transfer {
    grid-column: 1/-1;
    grid-row: 6;
    justify-self: center;
  }
  .operation h2 {
    text-align: center;
  }
  .operation--loan {
    grid-column: 1/-1;
    grid-row: 7;
    justify-self: center;
  }

  .operation--close {
    grid-column: 1/-1;
    grid-row: 8;
    justify-self: center;
  }
  .summary {
    grid-row: 5;
    grid-column: 1/2;
  }
  .logout__timer {
    grid-row: 5;
    grid-column: 2/3;
  }
}

@media only screen and (max-width: 600px) {
  main {
    grid-template-rows: auto repeat(3, 15rem) auto auto auto auto auto;
  }
  .summary {
    grid-column: 1/-1;
  }
  .logout__timer {
    grid-row: 9;
    grid-column: 1/-1;
    justify-self: center;
  }
  .modal {
    padding: 0.5rem 1rem;
  }
  .modal ul {
    font-size: 1.4rem;
  }
}

@media only screen and (max-width: 500px) {
  html {
    font-size: 55%;
  }
  nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem 1.5rem;
  }
  .nav__welcome {
    grid-column: 1/2;
    grid-row: 2/3;
  }
  .nav__logo {
    grid-column: 2/3;
    grid-row: 2/3;
    justify-self: center;
  }
  .nav__form {
    grid-column: 1/-1;
    grid-row: 1/2;
    justify-content: center;
  }
}

@media only screen and (max-width: 411px) {
  .summary {
    justify-content: flex-start;
    gap: 0.3rem;
  }
  .summary__label {
    margin-right: 0.1rem;
  }
  .summary__value {
    font-size: 1.25rem;
    font-weight: bold;
    margin-right: 1.25rem;
  }
  .modal__username {
    margin-right: 0.3rem;
  }
}