/* === HEADER === */
header {
  position: relative;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 40px;
  background-color: #ffffff;
  box-sizing: border-box;
}

.join-logo {
  width: 110px;
  height: auto;
  cursor: pointer;
}

.signup-box {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: nowrap;
}

.signup-text {
  color: #2a3647;
  font-size: 16px;
  font-family: "Inter", sans-serif;
}

/* — compact & taller Header Button — */
.signup-btn {
  background-color: #2a3647;
  color: white;
  border: none;
  border-radius: 10px;
  padding: 10px 10px;
  min-width: 80px;
  font-size: 16px;
  cursor: pointer;
  transition: all 0.2s ease;
  font-weight: 600;
}

.signup-btn:hover {
  background-color: #5fc0ea;
  box-shadow: 0 0 16px rgba(95, 192, 234, 0.8);
}

/* === BODY / MAIN === */
body {
  margin: 0;
  background-color: #ffffff;
  font-family: "Inter", sans-serif;
  height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 1900px;
  margin-left: auto;
  margin-right: auto;

}

main {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 480px;
  max-width: calc(100% - 40px);
  margin: 90px auto 0;
  padding: 40px 31px;
  background-color: white;
  border-radius: 20px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  box-sizing: border-box;
}

h1 {
  font-size: 40px;
  color: #2a3647;
  margin-top: 1px;
  margin-bottom: 8px;
  text-align: center;
}

.blueline {
  width: 90px;
  height: 3px;
  background-color: #29abe2;
  border-radius: 2px;
  margin-bottom: 32px;
}

/* === INPUTS === */
.input-group {
  position: relative;
  width: 100%;
  margin-bottom: 20px;
}

.input-group input::placeholder {
  color: #d1d1d1;
  opacity: 1;
  /* important, so browser doesn't apply transparency */
}

.input-group input {
  width: 100%;
  padding: 12px 40px 12px 12px;
  font-size: 16px;
  border: 1px solid #d1d1d1;
  border-radius: 8px;
  outline: none;
  box-sizing: border-box;
}

.input-group input:focus {
  border-color: #29abe2;
}

.input-group .material-icons {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: #9a9a9a;
  cursor: pointer;
}

/* === PRIVACY ACCEPT FIELD === */
.privacy-accept {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: -5px;
  margin-bottom: 20px;
  font-size: 1rem;
  color: #a8a8a8;
}

.privacy-accept input[type="checkbox"] {
  width: 16px;
  height: 16px;
  cursor: pointer;
  accent-color: #29abe2;
  /* modern color for Checkbox */
}

.privacy-accept a {
  color: #5fc0ea;
  text-decoration: none;
}

.privacy-accept a:hover {
  text-decoration: underline;
}

/* === BUTTONS === */
.button-group {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-top: 24px;
}

button {
  width: 140px;
  padding: 12px;
  font-size: 16px;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.dark-button {
  background-color: #2a3647;
  color: white;
}

.dark-button:hover {
  background-color: #5fc0ea;
  box-shadow: 0 0 20px rgba(95, 192, 234, 0.9);
}

button:not(.dark-button) {
  background-color: white;
  border: 1px solid #2a3647;
  color: #2a3647;
}

button:not(.dark-button):hover {
  background-color: #e8f4fb;
  border-color: #5fc0ea;
  color: #5fc0ea;
  box-shadow: 0 0 12px rgba(95, 192, 234, 0.5);
}

/* === FOOTER === */
.footer-links {
  font-size: 16px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 32px;
  margin-top: auto;
  margin-bottom: 20px;
  text-align: center;
}

.footer-links a {
  color: #a8a8a8;
  text-decoration: none;
  font-family: "Inter", sans-serif;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: #5fc0ea;
}

/* === FORM TOGGLE ANIMATION === */
.form-section {
  transition: opacity 0.4s ease, transform 0.3s ease;
}

.hidden {
  display: none;
  opacity: 0;
  transform: translateY(20px);
}

.active {
  display: flex;
  opacity: 1;
  transform: translateY(0);
}

/* === RESPONSIVE DESIGN === */
@media (max-width: 480px) {
  #signup-top {
    display: none;
  }

  body {
    overflow: auto;
  }

  #signup-bottom {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
    padding: 0 20px;
    width: 100%;
    box-sizing: border-box;
  }

  main {
    width: 95%;
    margin-top: 20px;
    padding: 28px 20px;
  }

  .join-logo {
    width: 60px;
  }

  h1 {
    font-size: 28px;
  }

  button {
    width: 100%;
  }

  .signup-btn {
    width: auto;
  }

  .footer-links {
    flex-direction: column;
    gap: 12px;
    font-size: 1rem;
    padding-bottom: 20px;
    padding-top: 10px;
  }

  .privacy-accept {
    font-size: 1rem;
  }
}

@media (min-width: 481px) {
  #signup-bottom {
    display: none;
  }

  #signup-top {
    display: flex;
  }
}

/* === SIGN-UP HEADER (with arrow) === */
.signup-header {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  width: 100%;
  margin-bottom: 8px;
}

.signup-header h1 {
  flex-grow: 1;
  text-align: center;
  margin: 0;
  font-size: 40px;
  color: #2a3647;
}

.back-arrow {
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  color: #5fc0ea;
  cursor: pointer;
  font-size: 26px;
  transition: color 0.2s ease, transform 0.2s ease;
}

.back-arrow:hover {
  color: #29abe2;
  transform: translateY(-50%) scale(1.1);
}

.dark-button.inactive {
  opacity: 0.65;
  cursor: pointer; 
  transform: none;
  box-shadow: none;
  width: 100%;
}

.dark-button.inactive:after {
  content: "";
  display: block;
  height: 0;
  width: 0;
}


/* === CUSTOM ICONS IN INPUT FIELDS === */
.input-group {
  position: relative;
  width: 100%;
  margin-bottom: 20px;
}

.input-group input {
  width: 100%;
  padding: 12px 40px 12px 12px;
  /* space on the right for icon */
  font-size: 16px;
  border: 1px solid #d1d1d1;
  border-radius: 8px;
  outline: none;
  box-sizing: border-box;
}

.input-group input:focus {
  border-color: #29abe2;
}

/* Position icons on the right side of the field */
.input-group img.icon-email,
.input-group img.icon-lock {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 22px;
  /* Size can be adjusted */
  height: 22px;
  pointer-events: none;
  /* prevents the icon from blocking clicks */
  opacity: 0.7;
}

.input-group img.icon-mail {
  filter: invert(48%) sepia(5%) saturate(0%) hue-rotate(180deg) brightness(95%) contrast(90%);
}

.input-group img.icon-lock {
  filter: invert(48%) sepia(5%) saturate(0%) hue-rotate(180deg) brightness(95%) contrast(90%);
}

/* If you want a slight effect on hover or focus */
.input-group input:focus+img {
  opacity: 1;
  filter: none;
}

/* === ICONS IN INPUT (COMPLEMENTED WITH PERSON) === */
.input-group img.icon-person,
.input-group img.icon-mail,
.input-group img.icon-lock {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 22px;
  height: 22px;
  pointer-events: none;
  opacity: 0.7;
  filter: invert(48%) sepia(5%) saturate(0%) hue-rotate(180deg) brightness(95%) contrast(90%);
}

/* Effect on focus */
.input-group input:focus+img {
  opacity: 1;
  filter: none;
}

/* === STARTANIMATION === */
#intro-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.8s ease, background-color 0.5s ease;
  /* smoother transition for BG */
}

#intro-screen img {
  width: 220px;
  height: auto;
  transition: opacity 0.3s ease, filter 0.5s ease;
  /* for smoother logo transition */
}

/* Logo flies diagonally to top left */
@keyframes logo-move {
  0% {
    transform: scale(1) translate(0, 0);
  }

  100% {
    transform: scale(0.35) translate(-120vw, -120vh);
  }
}

.join-logo {
  visibility: hidden;
}

body.loaded .join-logo {
  visibility: visible;
}

/* Body invisible until animation ends */
body.loaded main,
body.loaded header,
body.loaded .footer-links,
body.loaded #signup-bottom {
  opacity: 1;
}

main,
header,
.footer-links,
#signup-bottom {
  opacity: 0;
  transition: opacity 0.9s ease;
}

/* === INTRO-SCREEN RESPONSIVE === */
#intro-screen img {
  width: 220px;
  height: auto;
  transition: width 0.3s ease;
}

/* On mobile: smaller start logo + initially dark BG */
@media (max-width: 480px) {
  #intro-screen {
    background-color: #2a3647;
    /* Initially dark to avoid white flash */
  }

  #intro-screen img {
    width: 150px;
  }
}

/* 🔔 Notification Styling */
#notification-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.notification {
  padding: 14px 18px;
  border-radius: 12px;
  color: white;
  font-family: "Inter", sans-serif;
  font-size: 16px;
  font-weight: 500;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  animation: fadeInOut 3.2s ease forwards;
}

.notification.success {
  background-color: #28a745;
  /* green */
}

.notification.error {
  background-color: #dc3545;
  /* rot */
}

@keyframes fadeInOut {
  0% {
    opacity: 0;
    transform: translateY(-10px);
  }

  10%,
  80% {
    opacity: 1;
    transform: translateY(0);
  }

  100% {
    opacity: 0;
    transform: translateY(-10px);
  }
}

.error-message {
  color: red;
  font-size: 14px;
}