/* CSS Variables */
:root {
  --outrun-pink: #ff00de;
  --outrun-green: #39ff14;
  --outrun-dark: #000000;
  --outrun-dark-lighter: #2a2a4e;
  --outrun-text: #ffffff;
  --outrun-text-secondary: #b8b8d0;
  --outrun-border: rgba(255, 20, 147, 0.3);
  --outrun-card-bg: rgba(18, 18, 30, 0.95);
  --outrun-input-bg: rgba(30, 30, 60, 0.3);
}

/* Base Styles - Mobile First */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Bruno Ace', cursive;
  background: linear-gradient(135deg, #0f0f1a 0%, #1a1a2e 100%);
  color: var(--outrun-text);
  min-height: 100vh;
  line-height: 1.6;
}

/* Header Styles */
.main-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(18, 18, 30, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--outrun-border);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  max-width: 1200px;
  margin: 0 auto;
}

.header-logo img {
  width: 60px;
  height: auto;
}

/* Navigation Styles */
.header-nav {
  position: relative;
}

.nav-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  color: var(--outrun-text);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 4px;
  transition: background-color 0.3s ease;
}

.nav-toggle:hover {
  background: rgba(255, 20, 147, 0.1);
}

.nav-list {
  position: absolute;
  top: calc(100% + 1rem);
  right: 0;
  background: var(--outrun-card-bg);
  border: 1px solid var(--outrun-border);
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  list-style: none;
  min-width: 150px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.3s ease;
}

.nav-list.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-list li {
  border-bottom: 1px solid rgba(255, 20, 147, 0.1);
}

.nav-list li:last-child {
  border-bottom: none;
}

.nav-list a {
  display: block;
  padding: 1rem 1.5rem;
  color: var(--outrun-text);
  text-decoration: none;
  font-family: 'Teko', sans-serif;
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: all 0.3s ease;
}

.nav-list a:hover {
  background: rgba(255, 20, 147, 0.1);
  color: var(--outrun-pink);
  text-shadow: 0 0 8px var(--outrun-pink);
}

/* Main Content */
.main-content {
  padding: 2rem 1rem;
  max-width: 480px;
  margin: 0 auto;
  min-height: calc(100vh - 80px);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Registration Card */
.registration-card {
  background: var(--outrun-card-bg);
  border-radius: 20px;
  padding: 2rem;
  width: 100%;
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.registration-card:hover {
  border-color: rgba(255, 20, 147, 0.5);
  box-shadow: 0 12px 40px rgba(255, 20, 147, 0.1);
}

/* Card Header */
.card-header {
  text-align: center;
  margin-bottom: 2rem;
}

.page-header {
  font-family: 'Teko', sans-serif;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--outrun-text);
  text-shadow: 0 0 20px var(--outrun-pink);
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, #fff, var(--outrun-pink));
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.page-subtitle {
  font-family: 'Teko', sans-serif;
  font-size: 1.2rem;
  color: var(--outrun-text-secondary);
  margin-bottom: 0;
}

/* Error Messages */
.error-messages,
.error-message {
  background: rgba(255, 0, 0, 0.1);
  border: 1px solid rgba(255, 0, 0, 0.3);
  border-radius: 8px;
  padding: 1rem;
  margin-bottom: 1.5rem;
  color: #ff6b6b;
  font-family: 'Teko', sans-serif;
  font-size: 1.1rem;
  text-align: center;
}

/* Form Styles */
.registration-form {
  margin-bottom: 1.5rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-family: 'Teko', sans-serif;
  font-size: 1.1rem;
  color: var(--outrun-text-secondary);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.optional {
  color: rgba(184, 184, 208, 0.6);
  font-size: 0.9rem;
  text-transform: none;
  font-weight: normal;
}

.form-control {
  width: 100%;
  padding: 1rem;
  background: var(--outrun-input-bg);
  border: 2px solid transparent;
  border-radius: 12px;
  color: var(--outrun-text);
  font-family: 'Bruno Ace', cursive;
  font-size: 0.9rem;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.form-control::placeholder {
  color: rgba(184, 184, 208, 0.5);
  font-family: 'Teko', sans-serif;
}

.form-control:focus {
  outline: none;
  border-color: var(--outrun-pink);
  box-shadow: 0 0 0 3px rgba(255, 0, 222, 0.1);
  background: rgba(30, 30, 60, 0.5);
}

.form-control:valid:not(:placeholder-shown) {
  border-color: var(--outrun-green);
}

/* Submit Button */
.submit-button {
  width: 100%;
  padding: 1.2rem;
  background: linear-gradient(135deg, var(--outrun-green), green);
  border: none;
  border-radius: 50px;
  color: var(--outrun-text);
  font-family: 'Teko', sans-serif;
  font-size: 1.3rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px rgba(255, 0, 222, 0.3);
  position: relative;
  overflow: hidden;
}

.submit-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.submit-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(255, 0, 222, 0.4);
}

.submit-button:hover::before {
  left: 100%;
}

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

/* Divider */
.divider {
  display: flex;
  align-items: center;
  margin: 1.5rem 0;
  color: var(--outrun-text-secondary);
  font-family: 'Teko', sans-serif;
}

.divider::before,
.divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--outrun-border);
}

.divider span {
  padding: 0 1rem;
  font-size: 0.9rem;
  text-transform: uppercase;
}

/* Social Login */
.social-login {
  margin-bottom: 1.5rem;
}

.google-button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 1rem;
  background: white;
  color: #333;
  border: none;
  border-radius: 12px;
  text-decoration: none;
  font-family: 'Roboto', sans-serif;
  font-size: 1rem;
  font-weight: 500;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.google-button:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  transform: translateY(-1px);
  color: #333;
  text-decoration: none;
}

.google-icon {
  width: 20px;
  height: 20px;
  margin-right: 0.75rem;
}

/* Trust Indicators */
.trust-indicators {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin: 1.5rem 0;
  padding: 1.5rem;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 12px;
  border: 1px solid rgba(255, 20, 147, 0.1);
}

.trust-item {
  text-align: center;
}

.trust-stat {
  font-family: 'Teko', sans-serif;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--outrun-green);
  text-shadow: 0 0 10px rgba(57, 255, 20, 0.5);
  margin-bottom: 0.25rem;
}

.trust-label {
  font-family: 'Teko', sans-serif;
  font-size: 0.8rem;
  color: var(--outrun-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Card Footer */
.card-footer {
  text-align: center;
  color: var(--outrun-text-secondary);
  font-family: 'Teko', sans-serif;
}

.card-footer p {
  margin-bottom: 0.5rem;
}

.login-link {
  color: var(--outrun-pink);
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
}

.login-link:hover {
  text-shadow: 0 0 8px var(--outrun-pink);
  color: var(--outrun-pink);
  text-decoration: none;
}

.legal-links {
  font-size: 0.8rem;
  opacity: 0.8;
  margin-top: 0.5rem;
}

.legal-links a {
  color: var(--outrun-text-secondary);
  text-decoration: none;
  transition: color 0.3s ease;
}

.legal-links a:hover {
  color: var(--outrun-pink);
}

/* Tablet Styles */
@media (min-width: 768px) {
  .header-container {
    padding: 1.5rem 2rem;
  }

  .header-logo img {
    width: 80px;
  }

  .nav-toggle {
    display: none;
  }

  .nav-list {
    position: static;
    display: flex;
    background: none;
    border: none;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
    min-width: auto;
  }

  .nav-list li {
    border: none;
    margin-left: 1.5rem;
  }

  .nav-list a {
    padding: 0.5rem 0;
    font-size: 1.2rem;
  }

  .main-content {
    max-width: 600px;
    padding: 3rem 2rem;
  }

  .registration-card {
    padding: 3rem;
  }

  .page-header {
    font-size: 3.5rem;
  }

  .trust-indicators {
    gap: 2rem;
    padding: 2rem;
  }

  .trust-stat {
    font-size: 2.2rem;
  }

  .trust-label {
    font-size: 0.9rem;
  }
}

/* Desktop Styles */
@media (min-width: 1024px) {
  .main-content {
    max-width: 1200px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 4rem;
    padding: 4rem 2rem;
  }

  .registration-card {
    max-width: 500px;
    justify-self: center;
  }

  .page-header {
    font-size: 4rem;
  }

  .trust-indicators {
    grid-column: 1 / -1;
    max-width: 600px;
    margin: 2rem auto;
  }
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.registration-card {
  animation: fadeInUp 0.6s ease-out;
}

/* Focus and accessibility styles */
.form-control:focus,
.submit-button:focus,
.google-button:focus,
.nav-list a:focus {
  outline: 2px solid var(--outrun-pink);
  outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --outrun-border: rgba(255, 20, 147, 0.8);
    --outrun-card-bg: rgba(0, 0, 0, 0.9);
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}