/*=======Common Styles=======*/
* {
  box-sizing: border-box;
}

html {
  overflow-x: hidden;
  max-width: 100vw;
  scroll-behavior: smooth;
}

:root {
  --font-family: "Reddit Sans", serif;
  --font-size: clamp(14px, 1.5vw, 16px);
  --font-weight: 400;
  --font-color: #212121;
  --primary-color: #6b21a8;
  --primary-color-light: #6b21a854;
  --secondary-color: #be185d;
  --secondary-color-light: #be185d5c;
  --light-color: #ffffff;
  --navbar-height: clamp(50px, 8vw, 70px);
  --container-max-width: clamp(320px, 90vw, 600px);
  --spacing-xs: clamp(4px, 1vw, 6px);
  --spacing-sm: clamp(8px, 1.5vw, 12px);
  --spacing-md: clamp(12px, 2vw, 16px);
  --spacing-lg: clamp(16px, 3vw, 24px);
  --spacing-xl: clamp(24px, 4vw, 32px);
  --spacing-xxl: clamp(32px, 5vw, 48px);
  --border-radius-sm: clamp(6px, 1vw, 8px);
  --border-radius-md: clamp(8px, 1.5vw, 12px);
  --border-radius-lg: clamp(12px, 2.5vw, 20px);
  --border-radius-xl: clamp(16px, 3vw, 24px);
}

/*=======Login Page Styles=======*/
body {
  font-family: var(--font-family);
  font-size: var(--font-size);
  font-weight: var(--font-weight);
  color: var(--font-color);
  background: linear-gradient(
    135deg,
    var(--primary-color) 0%,
    var(--secondary-color) 100%
  );
  position: relative;
  overflow-x: hidden;
  margin: 0;
  padding: 0;
  padding-top: var(--navbar-height);
}

.form-holder {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
    Arial, sans-serif;
  min-height: calc(100vh - var(--navbar-height)); /* Subtract navbar height */
  min-height: calc(100dvh - var(--navbar-height)); /* Dynamic viewport height for mobile */
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: clamp(60px, 12vw, 100px); /* Extra top padding for navbar clearance */
  padding-bottom: clamp(20px, 5vw, 60px);
  padding-left: clamp(12px, 3vw, 24px);
  padding-right: clamp(12px, 3vw, 24px);
  width: 100%;
  max-width: 100vw;
  box-sizing: border-box;
}

.form-holder::before {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  z-index: 1;
}

.form-holder::after {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  opacity: 0.1;
  background-image: radial-gradient(
    circle,
    var(--light-color) 1px,
    transparent 1px
  );
  background-size: clamp(20px, 4vw, 30px) clamp(20px, 4vw, 30px);
  z-index: 2;
}

.icon-orbit {
  position: absolute;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 3;
}

.icon {
  position: absolute;
  font-size: clamp(20px, 4vw + 1rem, 35px);
  opacity: 0.3;
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  filter: brightness(2) drop-shadow(0 2px 4px var(--primary-color-light));
  color: var(--light-color);
}

.form-holder .container {
  position: relative;
  z-index: 10;
  width: 100%;
  max-width: var(--container-max-width);
  padding: 0;
}

.page-header {
  margin-bottom: clamp(24px, 5vw, 40px);
  position: relative;
  z-index: 10;
  text-align: center;
}

.page-title {
  color: var(--light-color);
  margin-bottom: clamp(8px, 1.5vw, 12px);
  font-size: clamp(32px, 7vw + 1rem, 56px);
  font-weight: 700;
  letter-spacing: clamp(-0.5px, -0.1vw, -0.8px);
  line-height: 1.2;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.page-subtitle {
  color: var(--light-color);
  font-size: clamp(14px, 2.5vw + 0.5rem, 20px);
  font-weight: 400;
  margin: 0;
  opacity: 0.95;
  line-height: 1.4;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
}

.form-card {
  background: var(--light-color);
  padding: clamp(24px, 5vw + 1rem, 50px) clamp(16px, 4vw + 0.5rem, 45px);
  border-radius: var(--border-radius-xl);
  box-shadow: 0 clamp(15px, 3vw, 25px) clamp(50px, 10vw, 80px) var(--primary-color-light);
  animation: slideIn 0.7s cubic-bezier(0.4, 0, 0.2, 1);
  transition: all 0.4s ease;
}

.form-card:hover {
  box-shadow: 0 clamp(20px, 4vw, 30px) clamp(60px, 12vw, 100px) var(--secondary-color-light);
}

@keyframes slideIn {
  from {
    transform: translateY(-40px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.messages-container {
  margin-bottom: clamp(16px, 3vw, 20px);
}

.alert {
  padding: clamp(8px, 2vw, 12px) clamp(10px, 2.5vw, 16px);
  border-radius: var(--border-radius-sm);
  margin-bottom: clamp(8px, 1.5vw, 10px);
  font-size: clamp(12px, 1.8vw + 0.25rem, 14px);
  line-height: 1.5;
}

.alert-success {
  background: var(--primary-color-light);
  border: 1px solid var(--primary-color);
  color: var(--font-color);
}

.alert-error,
.alert-danger {
  background: var(--secondary-color-light);
  border: 1px solid var(--secondary-color);
  color: var(--font-color);
}

.alert-warning {
  background: var(--secondary-color-light);
  border: 1px solid var(--secondary-color);
  color: var(--font-color);
}

.alert-info {
  background: var(--primary-color-light);
  border: 1px solid var(--primary-color);
  color: var(--font-color);
}

.btn-close {
  background: transparent;
  border: none;
  font-size: clamp(16px, 2.5vw, 20px);
  cursor: pointer;
  float: right;
  line-height: 1;
  color: var(--font-color);
  padding: var(--spacing-xs);
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.progress-bar {
  width: 100%;
  height: clamp(2px, 0.4vw, 4px);
  background: var(--primary-color-light);
  border-radius: 2px;
  margin-bottom: clamp(16px, 3vw + 0.5rem, 30px);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(
    90deg,
    var(--primary-color),
    var(--secondary-color)
  );
  transition: width 0.5s ease;
  border-radius: 2px;
}

.form-header {
  margin-bottom: clamp(20px, 4vw + 0.5rem, 35px);
  position: relative;
}

.form-header::after {
  content: "";
  position: absolute;
  bottom: clamp(-8px, -1.5vw, -15px);
  left: 50%;
  transform: translateX(-50%);
  width: clamp(40px, 8vw + 1rem, 60px);
  height: clamp(2px, 0.4vw, 4px);
  background: linear-gradient(
    90deg,
    var(--primary-color),
    var(--secondary-color)
  );
  border-radius: 2px;
}

.form-title {
  color: var(--font-color);
  margin-bottom: clamp(4px, 1vw, 8px);
  font-size: clamp(22px, 5vw + 0.5rem, 32px);
  font-weight: 700;
  letter-spacing: clamp(-0.3px, -0.05vw, -0.5px);
  line-height: 1.2;
}

.form-title i {
  color: var(--primary-color);
  margin-right: clamp(4px, 1vw, 8px);
  font-size: clamp(20px, 4.5vw + 0.5rem, 32px);
}

.form-subtitle {
  color: var(--font-color);
  font-size: clamp(12px, 2vw + 0.25rem, 15px);
  font-weight: 400;
  margin: 0;
  opacity: 0.75;
  line-height: 1.4;
}

.form-group {
  margin-bottom: clamp(16px, 3vw + 0.5rem, 28px);
  position: relative;
  animation: fadeInUp 0.5s ease backwards;
}

.form-group:nth-child(1) {
  animation-delay: 0.1s;
}
.form-group:nth-child(2) {
  animation-delay: 0.15s;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

label {
  display: block;
  margin-bottom: clamp(6px, 1.5vw, 10px);
  color: var(--font-color);
  font-weight: 600;
  font-size: clamp(11px, 1.8vw + 0.25rem, 13px);
  text-transform: uppercase;
  letter-spacing: clamp(0.3px, 0.1vw, 0.8px);
  transition: color 0.3s ease;
  line-height: 1.4;
}

.required {
  color: var(--secondary-color);
}

.tooltip {
  position: absolute;
  right: 0;
  top: 0;
  background: var(--primary-color);
  color: var(--light-color);
  padding: clamp(3px, 0.5vw, 4px) clamp(6px, 1.5vw, 10px);
  border-radius: var(--border-radius-sm);
  font-size: clamp(9px, 1.5vw + 0.1rem, 11px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  white-space: nowrap;
  text-transform: none;
  font-weight: 400;
  letter-spacing: normal;
}

.form-group:hover .tooltip {
  opacity: 1;
}

.input-wrapper {
  position: relative;
}

.input-wrapper input,
.input-wrapper select,
.input-wrapper textarea {
  width: 100%;
  padding: clamp(12px, 1.5vw + 0.5rem, 16px) clamp(12px, 2vw, 16px);
  border: none;
  border-bottom: 2px solid var(--primary-color-light);
  border-radius: 0;
  font-size: clamp(16px, 2vw + 0.25rem, 16px); /* 16px minimum prevents iOS zoom */
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  background: transparent;
  color: var(--font-color);
  font-family: inherit;
  min-height: 44px; /* Touch target size */
  line-height: 1.5;
}

.input-wrapper input:hover,
.input-wrapper select:hover,
.input-wrapper textarea:hover {
  border-bottom-color: var(--secondary-color-light);
}

.input-wrapper input:focus,
.input-wrapper select:focus,
.input-wrapper textarea:focus {
  outline: none;
  border-bottom-color: var(--primary-color);
  border-bottom-width: 2px;
}

.input-wrapper::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(
    90deg,
    var(--primary-color),
    var(--secondary-color)
  );
  transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.input-wrapper:has(input:focus)::after,
.input-wrapper:has(select:focus)::after,
.input-wrapper:has(textarea:focus)::after {
  width: 100%;
}

.form-group:has(input:focus) label,
.form-group:has(select:focus) label,
.form-group:has(textarea:focus) label {
  color: var(--primary-color);
}

.forgot-password {
  text-align: right;
  margin-top: clamp(6px, 1vw, 8px);
}

.forgot-password a {
  color: var(--primary-color);
  text-decoration: none;
  font-size: clamp(12px, 1.8vw + 0.1rem, 13px);
  transition: color 0.3s ease;
  display: inline-block;
  min-height: 44px;
  line-height: 44px;
  padding: 0 var(--spacing-xs);
}

.forgot-password a:hover {
  color: var(--secondary-color);
  text-decoration: underline;
}

.btn-submit {
  width: 100%;
  padding: clamp(14px, 2.5vw + 0.5rem, 18px);
  background: linear-gradient(
    135deg,
    var(--primary-color) 0%,
    var(--secondary-color) 100%
  );
  color: var(--light-color);
  border: none;
  border-radius: var(--border-radius-md);
  font-size: clamp(14px, 2vw + 0.25rem, 16px);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  text-transform: uppercase;
  letter-spacing: clamp(0.5px, 0.15vw, 1.2px);
  margin-top: clamp(8px, 1.5vw, 10px);
  position: relative;
  overflow: hidden;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-submit::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: var(--primary-color-light);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn-submit:hover::before {
  width: clamp(200px, 40vw, 300px);
  height: clamp(200px, 40vw, 300px);
}

.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 clamp(8px, 1.5vw, 12px) clamp(20px, 4vw, 30px) var(--primary-color-light);
}

.btn-submit:active {
  transform: translateY(0);
}

.btn-submit span {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(6px, 1vw, 8px);
}

.divider {
  display: flex;
  align-items: center;
  text-align: center;
  margin: clamp(12px, 2vw, 20px) 0;
  color: var(--font-color);
  font-size: clamp(11px, 2vw + 0.1rem, 14px);
  opacity: 0.6;
}

.divider::before,
.divider::after {
  content: "";
  flex: 1;
  border-bottom: 1px solid var(--primary-color-light);
}

.divider span {
  padding: 0 clamp(10px, 2vw, 15px);
  font-weight: 500;
}

.social-login {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(clamp(120px, 25vw, 140px), 1fr));
  gap: clamp(10px, 2vw, 12px);
  margin-bottom: clamp(20px, 3vw, 25px);
}

.btn-social {
  padding: clamp(12px, 1.5vw + 0.5rem, 16px) clamp(14px, 2.5vw, 20px);
  border: 2px solid var(--primary-color-light);
  border-radius: var(--border-radius-md);
  background: var(--light-color);
  color: var(--font-color);
  font-size: clamp(12px, 2vw + 0.1rem, 14px);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(6px, 1vw, 8px);
  min-height: 44px;
  white-space: nowrap;
}

.btn-social:hover {
  transform: translateY(-2px);
  box-shadow: 0 clamp(3px, 0.8vw, 4px) clamp(8px, 1.5vw, 12px) var(--primary-color-light);
}

.btn-google:hover,
.btn-facebook:hover {
  border-color: var(--secondary-color);
  color: var(--secondary-color);
}

.form-footer {
  text-align: center;
  margin-top: clamp(20px, 3vw, 25px);
}

.signup-link {
  color: var(--font-color);
  font-size: clamp(12px, 2vw + 0.1rem, 14px);
  margin: 0;
  opacity: 0.75;
  line-height: 1.5;
}

.signup-link a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s ease;
  padding: var(--spacing-xs);
  display: inline-block;
  min-height: 44px;
  line-height: 44px;
}

.signup-link a:hover {
  color: var(--secondary-color);
  text-decoration: underline;
}

.signup-link a i {
  margin-right: clamp(3px, 0.5vw, 4px);
}

/*=======Responsive Optimizations=======*/

/* Small Mobile Devices - Stack social buttons */
@media only screen and (max-width: 480px) {
  .social-login {
    grid-template-columns: 1fr;
  }
  
  .icon-orbit {
    opacity: 0.5;
  }
}

/* Landscape Mobile Devices - Optimize for height */
@media only screen and (max-height: 600px) and (orientation: landscape) {
  body {
    padding-top: clamp(40px, 6vw, 50px); /* Smaller navbar in landscape */
  }
  
  .form-holder {
    min-height: calc(100vh - clamp(40px, 6vw, 50px));
    min-height: calc(100dvh - clamp(40px, 6vw, 50px));
    padding-bottom: clamp(12px, 2vw, 20px);
    padding-left: clamp(12px, 3vw, 24px);
    padding-right: clamp(12px, 3vw, 24px);
    align-items: flex-start;
    padding-top: clamp(50px, 8vw, 70px); /* More top padding in landscape */
  }

  .form-card {
    padding: clamp(16px, 3vw, 24px) clamp(16px, 3vw, 28px);
  }

  .form-header {
    margin-bottom: clamp(12px, 2vw, 18px);
  }

  .form-group {
    margin-bottom: clamp(10px, 2vw, 16px);
  }

  .btn-submit {
    margin-top: clamp(4px, 1vw, 8px);
  }

  .icon-orbit {
    display: none;
  }

  .form-holder::after {
    opacity: 0.05;
  }

  .divider {
    margin: clamp(8px, 1.5vw, 12px) 0;
  }
  
  .messages-container {
    margin-bottom: clamp(10px, 2vw, 14px);
  }
}

/* Touch Device Optimizations */
@media (hover: none) and (pointer: coarse) {
  .btn-submit:active {
    transform: scale(0.98);
  }

  .btn-social:active {
    transform: scale(0.98);
  }
  
  .btn-close:active {
    transform: scale(0.9);
  }
}

/* High DPI Screens */
@media only screen and (-webkit-min-device-pixel-ratio: 2),
       only screen and (min-resolution: 192dpi) {
  .form-card {
    box-shadow: 0 clamp(15px, 3vw, 25px) clamp(50px, 10vw, 80px) var(--primary-color-light);
  }

  .icon {
    filter: brightness(2) drop-shadow(0 clamp(2px, 0.5vw, 3px) clamp(4px, 1vw, 6px) var(--primary-color-light));
  }
}

/* Large Screens - Optimize spacing */
@media only screen and (min-width: 1200px) {
  .form-holder .container {
    max-width: clamp(550px, 50vw, 600px);
  }
}

/* Print Styles */
@media print {
  .form-holder::before,
  .icon-orbit {
    display: none;
  }

  .form-card {
    box-shadow: none;
    border: 1px solid #ccc;
  }
}