:root {

  /* Colors in HEX */
  --gray1: #333333;
  --gray4: #BDBDBD;
  --gray6: #F2F2F2;
  --white: #fcfcfc;
  --dark-blue: #184BCE;
  --dark-blue-hover: #3768E8;
  --dark-green: #298808;
  --light-green: #91F58C;
  --red: #EB5757;

  /* Colors in hsl */
  --gray1-hsl:           hsl(0,   0%,   20%);
  --gray4-hsl:           hsl(0,   0%,   74%);
  --gray5-hsl:           hsl(0, 0%, 88%);
  --gray6-hsl:           hsl(0,   0%,   95%);
  --white-hsl:           hsl(0,   0%,   99%);
  --dark-blue-hsl:       hsl(223, 79%,  45%);
  --dark-blue-opac-hsl:  hsla(223, 79%,  45%, 0.1);
  --dark-blue-hover-hsl: hsl(233, 79%,  56%);
  --dark-green-hsl:      hsl(104, 89%,  28%);
  --light-green-hsl:     hsl(117, 85%,  76%);
  --red-hsl:             hsl(0,   79%,  63%);
  --orange-hsl:          hsl(36,100%,48%,1);
}

[data-theme="dark"] {
  --gray1-hsl:           hsl(0,   0%,   95%);
  --gray4-hsl:           hsl(0,   0%,   51%);
  --gray5-hsl:           hsl(0, 0%, 31%);
  --gray6-hsl:           hsl(0,   0%,   20%);
  --white-hsl:           hsl(0,   0%,   20%);
  --dark-blue-hsl:       hsl(187, 100%, 76%); 
  --dark-blue-opac-hsl:  hsla(187, 100%, 76%, 0.1);
  --dark-blue-hover-hsl: hsl(187, 79%,  86%);
  --dark-green-hsl:      hsl(117, 85%,  76%);
  --red-hsl:             hsl(0,   79%,  63%);
  --orange-hsl:          hsl(36,85%,62%,1);
}

*, html {
  font-family: 'Roboto', sans-serif;
  padding: 0;
  margin: 0;
  box-sizing: border-box;
  color: var(--gray1-hsl);
  background-color: var(--white-hsl);
}

h1 {
  font-size: 1.5rem;
  font-weight: 800;
}

.registers-container {
  display: flex;
  justify-content: center;
}

.register-underline {
  margin: 3rem;
  max-width: 25rem;
  background: var(--white-hsl);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center; 
  border-radius: 0.75rem;
  box-shadow: rgba(0, 0, 0, 0.36) 5px 3px 6px, 
              rgba(0, 0, 0, 0.43) 0px 3px 6px;
}

h2 {
  font-size: 1.5rem;
  padding-bottom: 0.5rem;
}

button:focus,
button:active,
input:focus,
input:active {
  border-color: transparent;
  outline: none;
}

.input{
  border-style: hidden;
  margin-top: 0.75rem;
}

#email-underline {
  width: 100%;
}

.register-form-underline {
  width: 100%;
}

.register-form-underline input{
  border-radius: 5px;
  padding: 10px 5px;
  border: 1px solid var(--gray1-hsl);
  margin-top: 5px;
  filter: none;
  transition: all 0.1s ease-in-out;
}

.register-form-underline .input-underline {
  border: none;
}

.underline {
  background: var(--gray1-hsl);
  height: 1px;
  width: 100%;
}

.register-form-underline .input-underline:hover + .underline {
  background: var(--gray4-hsl);
}

.register-form-underline .input-underline:not(:placeholder-shown) + .underline{
  background: var(--dark-blue-hsl);
}



.register-form-underline .input-underline:focus + .underline,
.register-form-underline .input-underline:active + .underline {
  background: var(--dark-blue-hsl);
  filter: drop-shadow(0px 0px 3px var(--dark-blue-hsl));
}

.register-form-underline .validate-underline:not(:focus):invalid:not(:placeholder-shown) + .underline {
  background: var(--red);
  filter: drop-shadow(0px 0px 3px var(--red));
}

.register-form-underline .validate-underline:not(:focus):not(:invalid):not(:placeholder-shown) + .underline {
  background: var(--dark-green-hsl);
  box-sizing: border-box;
  filter: drop-shadow(0px 0px 3px var(--dark-green-hsl))
}

.register-form-underline label {
  font-size: 1.1rem;
}

.modified-inputfield {
  flex: 3;
}




.btn-underline {
  background-color: var(--dark-blue-hsl);
  color: var(--gray6-hsl);
  margin-top: 2rem;
  border: none;
  border-radius: 5px;
  height: 40px;
  width: 100%;
  transition: all 0.1s ease-in-out;
}

.btn-underline:hover:not(.disabled) {
  background-color: var(--dark-blue-hover-hsl);
}

.btn-underline:active:not(.disabled) {
  box-shadow: inset 0px 4px 8px rgba(0, 0, 0, 0.3);
}

.btn-secondary,
.btn-secondary:focus {
  background-color: transparent;
  border: 1px solid var(--dark-blue-hsl);
  border-radius: 5px;
  color: var(--gray1-hsl);
  height: 40px;
  font-size: 0.8rem;
  margin-left: 15px;
  margin-top: 5px;
  flex: 1;
  transition: all 0.1s ease-in-out;
}

.btn-secondary:hover:not(.disabled) {
  filter: drop-shadow(2px 3px 1px var(--gray5-hsl));
}

.btn-secondary:active:not(.disabled) {
  background-color: var(--dark-blue-opac-hsl);
}




.password-field {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

#password-underline {
  width: 100%;
  flex: 3;
}

#confirm-password-underline {
  width: 100%;
  flex: 3;
}




.disabled {
  opacity: 0.4;
}

.password-input {
  width: 100%;
  flex: 3;
}

.notification-underline {
  color: var(--red);
  font-size: 0.8rem;
  margin-top: 2px;
}

.notification-underline:empty:before {
  content: ' ';
  white-space: pre;
}

.strength-notification-underline {
  color: var(--gray1-hsl);
}


/* Strenght Lines */
.strengthlines-container {
  margin-bottom: 4px;
}

.strength-lines{
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  bottom: 2px;
  left: 0;
  right: 0 + size(calc(100% - 50px), 6px);
  margin-top: 2px;
}

.line-underline {
  border: none;
  height: 6px;
  width: 95%;
  border-radius: 2px;
  transition: background-color 0.25s ease-in;
}

.bg-default {
  color: var(--gray1-hsl);
}

.bg-red {
  color:var(--red);
}

.bg-orange {
  color: var(--orange-hsl);
}

.bg-green {
  color: var(--dark-green-hsl);
}

/* Classes for strength lines */

.line-bg-default {
  background-color: var(--gray4-hsl);
}

.line-bg-red {
  background-color:var(--red);
}

.line-bg-orange {
  background-color: var(--orange-hsl);
}

.line-bg-green {
  background-color: var(--dark-green-hsl);
}


/* Criterias */

.pw-criterias {
  font-size: 0.7rem;
  display: flex;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.criteria-icon {
  margin-right: 2px;
  font-size: 10px;
}