/* Signup.css */

.signup-page {
  min-height: 100vh;
  background: var(--bg-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
}

.signup-container {
  width: 100%;
  max-width: 520px;
  background: var(--bg-primary);
  border: 1px solid var(--border-primary);
  border-radius: 20px;
  box-shadow: var(--shadow-xl);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  overflow: hidden;
  animation: fadeInUp 0.6s ease-out;
}

[data-theme="dark"] .signup-container {
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
}

/* Header Section */
.signup-header {
  text-align: center;
  padding: 40px 32px 32px 32px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-primary);
}

.logo-container {
  width: 56px;
  height: 56px;
  background: var(--accent-gradient);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px auto;
  box-shadow: var(--shadow-md);
}

.logo-icon {
  width: 28px;
  height: 28px;
  color: #FFFFFF;
}

.signup-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 8px 0;
  line-height: 1.2;
}

.signup-subtitle {
  font-size: 16px;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.5;
}

/* Form Container */
.signup-form-container {
  padding: 32px;
}

.signup-form {
  margin-bottom: 24px;
}

/* Form Groups and Rows */
.form-group {
  margin-bottom: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}

.form-row .form-group {
  margin-bottom: 0;
}

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.optional {
  font-weight: 400;
  color: var(--text-tertiary);
  font-size: 13px;
}

/* Input Container */
.input-container {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: 16px;
  width: 16px;
  height: 16px;
  color: var(--text-tertiary);
  z-index: 1;
  transition: color 0.2s ease;
}

.form-input,
.form-select {
  width: 100%;
  padding: 16px 16px 16px 48px;
  border: 1px solid var(--border-secondary);
  border-radius: 12px;
  background: var(--input-bg);
  color: var(--text-primary);
  font-size: 16px;
  transition: all 0.2s ease;
  outline: none;
}

.form-input::placeholder {
  color: var(--text-tertiary);
}

.form-select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 12px center;
  background-repeat: no-repeat;
  background-size: 16px;
  padding-right: 48px;
}

[data-theme="dark"] .form-select {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%9ca3af' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
}

.form-input:focus,
.form-select:focus {
  border-color: var(--accent-primary);
  box-shadow: var(--input-focus-shadow);
}

.form-input:focus + .input-icon,
.form-select:focus + .input-icon,
.input-container:focus-within .input-icon {
  color: var(--accent-primary);
}

.form-input.error,
.form-select.error {
  border-color: var(--error-text);
  background: var(--error-bg);
}

/* Password Toggle */
.password-toggle {
  position: absolute;
  right: 16px;
  background: none;
  border: none;
  color: var(--text-tertiary);
  cursor: pointer;
  padding: 4px;
  border-radius: 6px;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
}

.password-toggle:hover {
  color: var(--text-primary);
  background: var(--bg-secondary);
}

/* Terms Section */
.terms-section {
  margin-bottom: 24px;
  padding: 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: 12px;
}

.terms-text {
  font-size: 14px;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.5;
  text-align: center;
}

/* Error Messages */
.error-message {
  display: block;
  color: var(--error-text);
  font-size: 13px;
  margin-top: 6px;
  font-weight: 500;
}

.submit-error {
  background: var(--error-bg);
  border: 1px solid var(--error-border);
  border-radius: 8px;
  padding: 12px 16px;
  margin-bottom: 20px;
  color: var(--error-text);
  font-size: 14px;
  font-weight: 500;
  text-align: center;
}

/* Submit Button */
.submit-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--accent-gradient);
  color: #FFFFFF;
  border: none;
  padding: 16px 24px;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-md);
  margin-bottom: 24px;
}

.submit-btn:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.submit-btn:active:not(:disabled) {
  transform: translateY(0);
}

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

.submit-btn.loading {
  pointer-events: none;
}

/* Loading Spinner */
.loading-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top: 2px solid #FFFFFF;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* Divider */
.divider {
  position: relative;
  text-align: center;
  margin: 24px 0;
}

.divider::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--border-secondary);
}

.divider span {
  background: var(--bg-primary);
  color: var(--text-tertiary);
  font-size: 13px;
  font-weight: 500;
  padding: 0 16px;
  position: relative;
  z-index: 1;
}

/* Social Signup */
.social-signup {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}

.google-btn,
.phone-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 14px 20px;
  border: 1px solid var(--border-secondary);
  border-radius: 12px;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.google-btn:hover:not(:disabled),
.phone-btn:hover:not(:disabled) {
  border-color: var(--border-primary);
  background: var(--bg-secondary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.google-btn:disabled,
.phone-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.google-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* Footer */
.signup-footer {
  text-align: center;
  padding: 24px 32px 32px 32px;
  border-top: 1px solid var(--border-primary);
  background: var(--bg-secondary);
}

.signup-footer p {
  color: var(--text-secondary);
  font-size: 14px;
  margin: 0;
}

.link-btn {
  background: none;
  border: none;
  color: var(--accent-primary);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  padding: 0;
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color 0.2s ease;
}

.link-btn:hover {
  color: var(--accent-secondary);
}

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

/* Mobile Responsive */
@media (max-width: 640px) {
  .signup-page {
    padding: 16px 12px;
  }
  
  .signup-container {
    max-width: 100%;
    border-radius: 16px;
  }
  
  .signup-header {
    padding: 32px 24px 24px 24px;
  }
  
  .signup-title {
    font-size: 24px;
  }
  
  .signup-subtitle {
    font-size: 15px;
  }
  
  .signup-form-container {
    padding: 24px;
  }
  
  /* Stack form rows on mobile */
  .form-row {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .form-row .form-group {
    margin-bottom: 0;
  }
  
  .form-input,
  .form-select {
    font-size: 16px; /* Prevents zoom on iOS */
    padding: 14px 14px 14px 44px;
  }
  
  .submit-btn {
    padding: 14px 20px;
    font-size: 15px;
  }
  
  .google-btn,
  .phone-btn {
    padding: 12px 16px;
    font-size: 14px;
  }
  
  .signup-footer {
    padding: 20px 24px 24px 24px;
  }
  
  .terms-section {
    padding: 14px;
  }
  
  .terms-text {
    font-size: 13px;
  }
}

@media (max-width: 480px) {
  .signup-container {
    max-width: 100%;
  }
  
  .form-row {
    gap: 16px;
  }
  
  .form-input,
  .form-select {
    padding: 12px 12px 12px 40px;
  }
  
  .input-icon {
    left: 14px;
    width: 14px;
    height: 14px;
  }
  
  .password-toggle {
    right: 14px;
  }
}

/* Focus and Accessibility */
.submit-btn:focus-visible,
.google-btn:focus-visible,
.phone-btn:focus-visible,
.link-btn:focus-visible,
.password-toggle:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

.form-input:focus-visible,
.form-select:focus-visible {
  outline: none; /* Handled by border and shadow */
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
  .signup-container {
    border-width: 2px;
  }
  
  .form-input,
  .form-select {
    border-width: 2px;
  }
  
  .submit-btn {
    border: 2px solid var(--accent-primary);
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  .signup-container,
  .submit-btn,
  .google-btn,
  .phone-btn,
  .form-input,
  .form-select,
  .password-toggle,
  .link-btn {
    transition: none;
  }
  
  .loading-spinner {
    animation: none;
  }
  
  .fadeInUp {
    animation: none;
  }
}

/* Password Strength Indicator (Optional Enhancement) */
.password-strength {
  margin-top: 8px;
  display: flex;
  gap: 4px;
}

.strength-bar {
  height: 3px;
  flex: 1;
  background: var(--border-tertiary);
  border-radius: 2px;
  transition: background-color 0.2s ease;
}

.strength-bar.weak {
  background: #EF4444;
}

.strength-bar.medium {
  background: #F59E0B;
}

.strength-bar.strong {
  background: #10B981;
}

.strength-text {
  font-size: 12px;
  margin-top: 4px;
  font-weight: 500;
}

.strength-text.weak {
  color: #EF4444;
}

.strength-text.medium {
  color: #F59E0B;
}

.strength-text.strong {
  color: #10B981;
}