body {
    overflow: hidden;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0;
}
body > img {
    position: fixed;
    top: 0;
    left: 0;
    z-index: -1;
    width: 100%;
    height: 100%;
    object-fit: cover;
}
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
main {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5vh;
    height: 50vh;
    width: 50vh;
    backdrop-filter: blur(30px);
    padding: 5vh;
    border-radius: 30px;
    box-shadow: rgba(0, 0, 0, 0.35) 0px 5px 15px;
}
#mail-main {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}
main > div {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  justify-content: center;
  gap: 5vh;
}
main > #giris {
  width: 8vh;
  height: 8vh;
}
#inputs-div {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
}
#inputs-div > input {
  width: 8vh;
  height: 8vh;
  padding: 0;
  text-align: center;
  -webkit-appearance: none;
}
#headers {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}
h2, h4 {
    color: #645bff;
    margin: 0;
}
input {
    padding: 1em 1.8em;
    border-radius: 20px;
    border: 2px solid #645bff;
}

button {
    justify-content: center;
  --primary-color: #645bff;
  --secondary-color: #fff;
  --hover-color: #111;
  --arrow-width: 10px;
  --arrow-stroke: 2px;
  box-sizing: border-box;
  border: 0;
  border-radius: 20px;
  color: var(--secondary-color);
  padding: 1em 1.8em;
  background: var(--primary-color);
  display: flex;
  transition: 0.2s background;
  align-items: center;
  gap: 0.6em;
  font-weight: bold;
  cursor: pointer;
}

button .arrow-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
}

button .arrow {
  margin-top: 1px;
  width: var(--arrow-width);
  background: var(--primary-color);
  height: var(--arrow-stroke);
  position: relative;
  transition: 0.2s;
}

button .arrow::before {
  content: "";
  box-sizing: border-box;
  position: absolute;
  border: solid var(--secondary-color);
  border-width: 0 var(--arrow-stroke) var(--arrow-stroke) 0;
  display: inline-block;
  top: -3px;
  right: 3px;
  transition: 0.2s;
  padding: 3px;
  transform: rotate(-45deg);
}

button:hover {
  background-color: var(--hover-color);
}

button:hover .arrow {
  background: var(--secondary-color);
}

button:hover .arrow:before {
  right: 0;
}
/* Hide the default checkbox */
.container input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
  height: 0;
  width: 0;
}

.container {
  display: flex;
  gap: 10px;
  color: #645bff;
  text-align: center;
  align-items: center;
  justify-content: center;
}


/* Create a custom checkbox */
.checkmark {
  position: relative;
  box-shadow: #645bff 0px 0px 0px 2px;
  background-color: rgba(16, 16, 16, 0.5);
  height: 20px;
  width: 20px;
  flex-shrink: 0;
  margin-top: -1px;
  transition: all 0.2s ease 0s;
  cursor: pointer;
  transform-origin: 0px 10px;
  border-radius: 4px;
  padding: 0px;
  box-sizing: border-box;
}

.container input:checked ~ .checkmark {
  box-shadow: #645bff 0px 0px 0px 2px;
  background-color: #8782de;
  height: 20px;
  width: 20px;
  flex-shrink: 0;
  margin-top: -1px;
  transition: all 0.2s ease 0s;
  cursor: pointer;
  transform-origin: 0px 10px;
  border-radius: 4px;
  padding: 0px;
  box-sizing: border-box;
}

.checkmark:after {
  content: "";
  position: absolute;
  display: none;
}

.container input:checked ~ .checkmark:after {
  display: block;
}

/* Style the checkmark/indicator */
.container .checkmark:after {
  left: 0.45em;
  top: 0.25em;
  width: 0.25em;
  height: 0.5em;
  border: solid white;
  border-width: 0 0.15em 0.15em 0;
  transform: rotate(45deg);
  transition: all 500ms ease-in-out;
}
.error {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  width: 320px;
  padding: 12px;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: start;
  background: #EF665B;
  border-radius: 8px;
  box-shadow: 0px 0px 5px -3px #111;
  position: fixed;
  z-index: 9;
  bottom: 5vh;
}

.error__icon {
  width: 20px;
  height: 20px;
  transform: translateY(-2px);
  margin-right: 8px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.error__title {
  font-weight: 500;
  font-size: 14px;
  color: #fff;
}