/* Ultra Auth Design System */

:root {
  /* Ultra Brand Colors */
  --brand-pink: #ED6C9D;
  --brand-blue: #4E81DD;
  --brand-orange: #E99E3C;
  --brand-black: #090909;
  --brand-gray: #B7B7B7;
  --brand-blush: #FFDBE8;
  --brand-white: #FFFFFF;

  /* Background layers */
  --bg-base: #090909;
  --bg-surface: #111113;
  --bg-elevated: #1a1a1d;
  --bg-hover: #222226;
  --bg-input: #161618;

  /* Text */
  --text-primary: #FFFFFF;
  --text-secondary: #B7B7B7;
  --text-muted: #666666;
  --text-placeholder: #555555;

  /* Accent (Ultra Cyber Pink) */
  --accent: #ED6C9D;
  --accent-hover: #F490B5;
  --accent-muted: #C45A82;
  --accent-glow: rgba(237, 108, 157, 0.15);

  /* Secondary accent (Signal Blue) */
  --accent-secondary: #4E81DD;
  --accent-secondary-hover: #6A97E8;

  /* Borders */
  --border: #27272a;
  --border-focus: #ED6C9D;
  --border-subtle: #1f1f22;

  /* Status */
  --success: #22c55e;
  --success-bg: rgba(34, 197, 94, 0.1);
  --error: #ef4444;
  --error-bg: rgba(239, 68, 68, 0.1);
  --warning: #E99E3C;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px var(--accent-glow);

  /* Spacing */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
}

/* Reset */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-base);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.5;
}

/* Auth Container */
.auth-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background:
    radial-gradient(ellipse at top, rgba(139, 92, 246, 0.08) 0%, transparent 50%),
    var(--bg-base);
}

/* Logo */
.auth-logo {
  margin-bottom: 2rem;
}

.auth-logo svg {
  display: block;
}

/* Auth Card */
.auth-card {
  width: 100%;
  max-width: 400px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 2rem;
  box-shadow: var(--shadow-lg);
}

.auth-card-header {
  text-align: center;
  margin-bottom: 2rem;
}

.auth-card-title {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.auth-card-subtitle {
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

/* Form Elements */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.9375rem;
  font-family: inherit;
  color: var(--text-primary);
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

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

.form-input:hover {
  border-color: var(--border-focus);
}

.form-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

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

.form-error {
  font-size: 0.8125rem;
  color: var(--error);
  margin-top: 0.5rem;
}

.form-hint {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  font-size: 0.9375rem;
  font-weight: 500;
  font-family: inherit;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  width: 100%;
  background: var(--accent);
  color: white;
}

.btn-primary:hover:not(:disabled) {
  background: var(--accent-hover);
  box-shadow: var(--shadow-glow);
}

.btn-secondary {
  background: var(--bg-elevated);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--bg-hover);
  border-color: var(--text-muted);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}

.btn-ghost:hover:not(:disabled) {
  color: var(--text-primary);
  background: var(--bg-elevated);
}

.btn-link {
  background: none;
  color: var(--accent);
  padding: 0;
}

.btn-link:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

/* Loading Spinner */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Divider */
.divider {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 1.5rem 0;
  color: var(--text-muted);
  font-size: 0.8125rem;
}

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

/* Alert/Message Boxes */
.alert {
  padding: 1rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
}

.alert-error {
  background: var(--error-bg);
  border: 1px solid var(--error);
  color: var(--error);
}

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

.alert-info {
  background: var(--accent-glow);
  border: 1px solid var(--accent);
  color: var(--text-primary);
}

/* Code Input (for verification codes) */
.code-input-group {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.code-input {
  width: 3rem;
  height: 3.5rem;
  text-align: center;
  font-size: 1.5rem;
  font-weight: 600;
  font-family: 'SF Mono', Consolas, monospace;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.code-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

/* Email Sent Illustration */
.email-sent-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.5rem;
  padding: 1.25rem;
  background: var(--accent-glow);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.email-sent-icon svg {
  width: 40px;
  height: 40px;
  color: var(--accent);
}

/* Footer */
.auth-footer {
  margin-top: 2rem;
  text-align: center;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.auth-footer a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.auth-footer a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

/* Legal Disclaimer */
.auth-legal {
  margin-top: 1rem;
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.auth-legal a {
  color: var(--text-secondary);
  text-decoration: underline;
  transition: color var(--transition-fast);
}

.auth-legal a:hover {
  color: var(--text-primary);
}

/* Link Row */
.link-row {
  text-align: center;
  margin-top: 1.5rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.link-row a {
  color: var(--accent);
  text-decoration: none;
}

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

/* Onboarding Specific */
.onboarding-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg-base);
}

.onboarding-header {
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.onboarding-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.onboarding-card {
  width: 100%;
  max-width: 480px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
}

/* Progress Steps */
.progress-steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.progress-step {
  width: 2rem;
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  transition: background var(--transition-base);
}

.progress-step.active {
  background: var(--accent);
}

.progress-step.completed {
  background: var(--success);
}

/* Skip Button */
.skip-link {
  display: block;
  width: 100%;
  text-align: center;
  margin-top: 1.5rem;
  padding: 0.75rem 1rem;
  color: var(--text-muted);
  font-size: 0.875rem;
  font-family: var(--font-sans);
  text-decoration: none;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.skip-link:hover {
  color: var(--text-secondary);
  border-color: var(--border-hover);
  background: var(--bg-hover);
}

/* Success Check */
.success-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.5rem;
  padding: 1.25rem;
  background: var(--success-bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.success-icon svg {
  width: 40px;
  height: 40px;
  color: var(--success);
}

/* Next Steps List */
.next-steps {
  margin: 1.5rem 0;
}

.next-step-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 0.75rem;
}

.next-step-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  color: var(--accent);
}

.next-step-content {
  flex: 1;
}

.next-step-title {
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.next-step-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

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

  .auth-card {
    padding: 1.5rem;
  }

  .onboarding-card {
    padding: 1.5rem;
  }
}

/* Focus visible for keyboard navigation */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

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