/* Variables */
:root {
  --primary-color: #f0c27b;
  --primary-light: #f7d4a3;
  --primary-dark: #d59b6a;
  --secondary-color: #2d3748;
  --background-color: #fcfcfc;
  --background-light-color: #fcf5e8;
  --surface-color: #ffffff;
  --text-primary: #1a202c;
  --text-secondary: #4a5568;
  --error-color: #e53e3e;
  --success-color: #38a169;
  --border-color: #e2e8f0;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: linear-gradient(135deg, white 0%, var(--background-light-color) 100%);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  width: 100%;
  max-width: 1200px;
  padding: 2.5rem;
  margin: 0 auto;
  flex: 1;
}

/* Hero Section */
.hero {
  text-align: center;
  margin-bottom: 2.5rem;
}

.hero p {
  color: var(--text-secondary);
  font-size: 1.125rem;
  margin-top: 0.5rem;
}

/* Progress Bar */
.progress-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 3rem;
  position: relative;
  max-width: 600px;
  margin: 0 auto 3rem;
  padding: 0 1rem;
}

.progress-bar::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--border-color);
  transform: translateY(-50%);
  z-index: 0;
  border-radius: 999px;
}

.progress-bar-inner {
  position: absolute;
  top: 50%;
  left: 0;
  height: 3px;
  background: var(--primary-color);
  transform: translateY(-50%);
  transition: width var(--transition-normal);
  z-index: 1;
  border-radius: 999px;
}

.step-indicator {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  background: var(--surface-color);
  border: 2px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: var(--text-secondary);
  position: relative;
  z-index: 2;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
}

.step-indicator.active {
  background: #D98E04;
  border-color: #D98E04;
  color: white;
  transform: scale(1.1);
  box-shadow: var(--shadow-md);
}

.step-indicator.completed {
  background: var(--primary-color);
  border-color: var(--primary-color);
  color: white;
}

/* Auth Card */
.auth-card {
  background: var(--surface-color);
  border-radius: 1.25rem;
  box-shadow: var(--shadow-lg);
  padding: 2.5rem;
  max-width: 600px;
  margin: 0 auto;
  position: relative;
  border: 1px solid var(--border-color);
}

/* Toggle Buttons */
.toggle-buttons {
  display: flex;
  gap: 1rem;
  margin-bottom: 2.5rem;
  background-color: #f8f9fa;
  padding: 0.5rem;
  border-radius: 1rem;
  border: 1px solid var(--border-color);
}

.toggle-btn {
  flex: 1;
  padding: 1rem 1.5rem;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}

.toggle-btn i {
  font-size: 1.25rem;
}

.toggle-btn.active {
  background-color: var(--primary-color);
  color: white;
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

/* Forms */
.form {
  display: none;
  opacity: 0;
  transform: translateY(10px);
  transition: all var(--transition-normal);
}

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

.form h2 {
  text-align: center;
  color: var(--text-primary);
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.form-subtitle {
  text-align: center;
  color: var(--text-secondary);
  font-size: 1.125rem;
  margin-bottom: 2rem;
}

/* Form Steps */
.form-step {
  display: none;
  opacity: 0;
  transform: translateX(20px);
  transition: all var(--transition-normal);
}

.form-step.active {
  display: block;
  opacity: 1;
  transform: translateX(0);
}

.step-title {
  text-align: center;
  margin-bottom: 2.5rem;
}

.step-title h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.step-title p {
  color: var(--text-secondary);
  font-size: 1.125rem;
}

.input-group {
  position: relative;
  margin-bottom: 1.75rem;
}

.input-group label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
  font-weight: 500;
  font-size: 1rem;
}

.input-group label i {
  color: var(--primary-color);
  font-size: 1.25rem;
}

.form input,
.form select {
  width: 100%;
  padding: 1rem 1.25rem;
  border: 2px solid var(--border-color);
  background: var(--background-color);
  border-radius: 0.75rem;
  font-size: 1rem;
  transition: all var(--transition-fast);
  color: var(--text-primary);
}

.form input:hover,
.form select:hover {
  border-color: var(--primary-light);
}

.form input:focus,
.form select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 4px rgba(240, 194, 123, 0.15);
  background-color: var(--surface-color);
}

.form input.error {
  border-color: var(--error-color);
  background-color: #fff5f5;
}

.error-message {
  color: var(--error-color);
  font-size: 0.875rem;
  margin-top: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.error-message::before {
  content: '⚠️';
}

/* Password Requirements */
.password-requirements {
  margin-top: 1.25rem;
  padding: 1.25rem;
  background: var(--background-color);
  border-radius: 0.75rem;
  border: 1px solid var(--border-color);
}

.requirement-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: 0.75rem;
}

.requirement-item:last-child {
  margin-bottom: 0;
}

.requirement-item i {
  color: var(--text-secondary);
  font-size: 1rem;
}

.requirement-item.valid i {
  color: var(--success-color);
}

/* Navigation Buttons */
.form-navigation {
  display: flex;
  justify-content: space-between;
  margin-top: 2.5rem;
  gap: 1rem;
}

.nav-button {
  padding: 1rem 2rem;
  border: none;
  border-radius: 0.75rem;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-button.primary {
  background: var(--primary-color);
  color: white;
  box-shadow: var(--shadow-md);
}

.nav-button.primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.nav-button.secondary {
  background: var(--background-color);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.nav-button.secondary:hover {
  background: var(--border-color);
  transform: translateY(-1px);
}

/* Social Sign-in */
.social-signin {
  margin-top: 2.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--border-color);
  text-align: center;
}

.social-signin p {
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  font-size: 1rem;
}

.social-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

.social-button {
  padding: 1rem 2rem;
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  background: var(--surface-color);
  color: var(--text-primary);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1rem;
}

.social-button:hover {
  background: var(--background-color);
  border-color: var(--primary-color);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.social-button img {
  width: 1.5rem;
  height: 1.5rem;
}

/* Loading Spinner */
.fa-spinner {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.form input::placeholder {
  color: #a0aec0;
}

.password-input-group {
  position: relative;
}

.password-toggle {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.5rem;
  transition: color var(--transition-fast);
}

.password-toggle:hover {
  color: var(--primary-color);
}

.submit-btn {
  width: 100%;
  background: var(--primary-color);
  color: white;
  padding: 1.25rem;
  border: none;
  border-radius: 0.75rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 1.5rem;
  box-shadow: var(--shadow-md);
}

.submit-btn:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.submit-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

.submit-btn i {
  font-size: 1.25rem;
}

.logo {
  font-size: 1.75rem;
  font-weight: bold;
  color: var(--primary-color);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  justify-content: center;
}

.logo i {
  font-size: 2rem;
}

.forgot-password {
  text-align: center;
  margin-top: 1.25rem;
}

.forgot-password a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  padding: 0.5rem;
  transition: all var(--transition-normal);
  border-bottom: 2px solid transparent;
}

.forgot-password a:hover {
  color: var(--primary-color);
  border-bottom: 2px solid var(--primary-color);
}

/* Toast Notifications */
.toast {
  position: fixed;
  top: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  background-color: white;
  color: var(--text-primary);
  padding: 1rem 1.5rem;
  border-radius: 0.75rem;
  box-shadow: var(--shadow-lg);
  font-size: 0.875rem;
  z-index: 9999;
  opacity: 0;
  transition: all var(--transition-normal);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 300px;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0.5rem);
}

.toast.success {
  border-left: 4px solid var(--success-color);
}

.toast.error {
  border-left: 4px solid var(--error-color);
}

.toast i {
  font-size: 1.25rem;
}

/* Address Suggestions */
.address-suggestions {
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 0;
  right: 0;
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  box-shadow: var(--shadow-lg);
  margin-top: 0.25rem;
  z-index: 1000;
  max-height: 250px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--primary-color) var(--border-color);
}

.address-suggestions::-webkit-scrollbar {
  width: 6px;
}

.address-suggestions::-webkit-scrollbar-track {
  background: var(--border-color);
  border-radius: 3px;
}

.address-suggestions::-webkit-scrollbar-thumb {
  background-color: var(--primary-color);
  border-radius: 3px;
}

.suggestion-item {
  padding: 1rem 1.25rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
}

.suggestion-item:first-child {
  border-top-left-radius: 0.75rem;
  border-top-right-radius: 0.75rem;
}

.suggestion-item:last-child {
  border-bottom: none;
  border-bottom-left-radius: 0.75rem;
  border-bottom-right-radius: 0.75rem;
}

.suggestion-item::before {
  content: '\f3c5';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  color: var(--primary-color);
  font-size: 1rem;
}

.suggestion-item:hover {
  background-color: var(--primary-light);
  color: var(--text-primary);
  padding-left: 1.5rem;
}

.suggestion-item:active {
  background-color: var(--primary-color);
  color: white;
}

.suggestion-item:active::before {
  color: white;
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 1.5rem;
  }

  .auth-card {
    padding: 1.5rem;
    margin: 1rem;
  }

  .toggle-btn {
    padding: 0.875rem;
  }

  .form input,
  .form select,
  .submit-btn {
    padding: 1rem;
  }

  .social-buttons {
    flex-direction: column;
  }

  .form-navigation {
    flex-direction: column;
  }

  .nav-button {
    width: 100%;
    justify-content: center;
  }

  .form h2 {
    font-size: 1.75rem;
  }

  .step-title h2 {
    font-size: 1.75rem;
  }

  .address-suggestions {
    position: fixed;
    top: auto;
    bottom: 0;
    left: 0;
    right: 0;
    margin: 0;
    max-height: 50vh;
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
    border-top-left-radius: 1rem;
    border-top-right-radius: 1rem;
    box-shadow: 0 -4px 6px -1px rgb(0 0 0 / 0.1);
    padding: 0.5rem 0;
  }

  .address-suggestions::before {
    content: '';
    position: absolute;
    top: 0.25rem;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 4px;
    background: var(--border-color);
    border-radius: 2px;
  }

  .suggestion-item {
    padding: 1rem;
    font-size: 1rem;
  }

  .suggestion-item:hover {
    padding-left: 1.25rem;
  }

  /* Add backdrop for mobile */
  .address-suggestions::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0);
    z-index: -1;
  }

  /* Improve touch targets */
  .suggestion-item {
    min-height: 3.5rem;
    padding: 1rem 1.5rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 1rem;
  }

  .auth-card {
    padding: 1.25rem;
    margin: 0.5rem;
  }

  .form h2 {
    font-size: 1.5rem;
  }

  .step-title h2 {
    font-size: 1.5rem;
  }

  .logo {
    font-size: 1.5rem;
  }

  .logo i {
    font-size: 1.75rem;
  }
}