@import url("https://fonts.googleapis.com/css2?family=Ubuntu&display=swap");

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Ubuntu", sans-serif;
}

:root {
  --notification-green: rgb(121, 185, 79);
  --notification-red: rgb(185, 79, 79);
  --crimson-red: rgb(198, 62, 47);
  --crimson-red-tr: rgba(198, 62, 47, 0.2);
  --grayish: rgb(212, 212, 212);
  --shadow: rgba(0, 0, 0, 0.2);
  --shadow-btn: rgb(0, 0, 0);
  --gradient1st: rgb(233, 228, 240);
  --gradient2nd: rgb(211, 204, 227);
}

main {
  max-width: 26rem;
  display: flex;
  flex-direction: column;
  margin: auto;
  gap: 0.5rem;
}

body {
  background: linear-gradient(to right, var(--gradient1st), var(--gradient2nd));
}

h1 {
  margin-top: 1rem;
}

#passlengthnumber {
  height: 2.5rem;
  width: 4rem;
  font-size: 1rem;
  border-radius: 0.313rem;
  box-shadow: inset 0 1px 2px 0 var(--shadow);
  border: 1px solid var(--grayish);
  text-align: center;
}

#genpass {
  border-radius: 1rem 1rem 0.2rem 0.2rem;
  width: 100%;
  height: 5rem;
  font-size: 1.375rem;
  margin-bottom: 0.625rem;
  box-shadow: 0 2px 8px var(--shadow);
  padding: 0.625rem;
  border: none;
}

#genpass:focus-visible,
#passlengthnumber:focus-visible {
  outline: none;
}

button {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: inherit;
  padding: 0.5rem;
  border-radius: 1.25rem;
  border: 0;
  background-color: var(--crimson-red);
  color: white;
  width: 7.5rem;
  transition: all 200ms;
}

button svg {
  margin-right: 0.3rem;
}

button:hover {
  opacity: 0.8;
  cursor: pointer;
}

button:active {
  transform: translateY(-0.2rem);
  box-shadow: var(--shadow-btn) 0 0 0.8rem;
}

button:focus-visible {
  outline: 0;
}

/* CLASSES */

.application-form {
  display: flex;
  width: 100%;
  justify-content: space-evenly;
  align-self: center;
  gap: 1rem;
  padding: 1rem;
  background-color: white;
  border-radius: 0.625rem;
  box-shadow: 0 2px 8px var(--shadow);
}

.password-input-container {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.range-container label {
  display: block;
  margin-bottom: 0.5rem;
}

.checkboxes-container div {
  margin-bottom: 0.5rem;
}

.checkboxes-container div:last-child {
  margin-bottom: 0;
}

.buttons {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
}

/* CHECKBOXES CSS */

.checkbox-container input {
  padding: 0;
  height: initial;
  width: initial;
  margin-bottom: 0;
  display: none;
  cursor: pointer;
}

.checkbox-container label {
  position: relative;
  cursor: pointer;
}

.checkbox-container label:before {
  content: "";
  appearance: none;
  border: solid 1px var(--crimson-red);
  background: var(--crimson-red-tr);
  border-radius: 2px;
  padding: 12px;
  display: inline-block;
  position: relative;
  vertical-align: middle;
  cursor: pointer;
  margin-right: 5px;
}

.checkbox-container input:checked + label:after {
  content: "";
  display: block;
  position: absolute;
  top: -2px;
  left: 8px;
  width: 6px;
  height: 18px;
  border: solid var(--crimson-red);
  border-width: 0 3px 3px 0;
  transform: rotate(45deg);
}

/* RANGE CSS */
input[type="range"] {
  appearance: none;
  width: 6rem;
}
input[type="range"]:focus {
  outline: none;
}
input[type="range"]::-webkit-slider-runnable-track {
  height: 0.5rem;
  cursor: pointer;
  background: var(--grayish);
  border-radius: 0.313rem;
}
input[type="range"]::-webkit-slider-thumb {
  height: 1rem;
  width: 1rem;
  border-radius: 50%;
  background: var(--crimson-red);
  cursor: pointer;
  appearance: none;
  margin-top: -0.25rem;
}

input[type="range"]::-moz-range-track {
  height: 0.5rem;
  cursor: pointer;
  background: var(--grayish);
  border-radius: 0.313rem;
}
input[type="range"]::-moz-range-thumb {
  border: 0;
  height: 1rem;
  width: 1rem;
  border-radius: 50%;
  background: var(--crimson-red);
  cursor: pointer;
}

/* NOTIFICATION */

.notification {
  padding: 0.5rem;
  border-radius: 0.3rem;
  text-align: center;
  opacity: 0;
  transition: all 0.4s;
}

.notification-message-success {
  background: var(--notification-green);
  opacity: 1;
  color: green;
}

.notification-message-failure {
  background: var(--notification-red);
  opacity: 1;
  color: red;
}