/* ============================================
   BUZZABOO - Authentication Styles
   Glassmorphism Design System
   ============================================ */

/* Auth Page Layout */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
  position: relative;
  overflow: hidden;
}

/* Animated Background */
.auth-bg {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: -1;
  overflow: hidden;
}

.auth-bg-gradient {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse at 20% 20%, rgba(139, 92, 246, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(236, 72, 153, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(6, 182, 212, 0.1) 0%, transparent 50%),
    var(--bg-primary);
}

.auth-bg-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 50px 50px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.auth-bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
  animation: float 20s ease-in-out infinite;
}

.auth-bg-orb-1 {
  width: 600px;
  height: 600px;
  background: var(--primary);
  top: -300px;
  left: -200px;
  animation-delay: 0s;
}

.auth-bg-orb-2 {
  width: 500px;
  height: 500px;
  background: var(--secondary);
  bottom: -200px;
  right: -150px;
  animation-delay: -7s;
}

.auth-bg-orb-3 {
  width: 400px;
  height: 400px;
  background: var(--accent);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: -14s;
  opacity: 0.3;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(30px, -30px) scale(1.05); }
  50% { transform: translate(-20px, 20px) scale(0.95); }
  75% { transform: translate(20px, 30px) scale(1.02); }
}

/* Auth Container */
.auth-container {
  width: 100%;
  max-width: 440px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xl);
  z-index: 1;
}

/* Logo */
.auth-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 1.75rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
  transition: transform var(--transition-fast);
}

.auth-logo:hover {
  transform: scale(1.02);
}

.auth-logo .logo-icon {
  width: 44px;
  height: 44px;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  -webkit-text-fill-color: white;
}

/* Auth Card */
.auth-card {
  width: 100%;
  padding: var(--spacing-2xl);
  animation: slideUp 0.6s ease-out;
}

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

/* Auth Header */
.auth-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.auth-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-lg);
  background: var(--gradient-primary);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.auth-icon.success {
  background: linear-gradient(135deg, var(--accent-green) 0%, #059669 100%);
}

.auth-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
  color: var(--text-primary);
}

.auth-subtitle {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Messages */
.auth-message {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-lg);
  font-size: 0.9rem;
  animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

.auth-message-error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #ef4444;
}

.auth-message-success {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #10b981;
}

/* Social Login */
.auth-social {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.btn-social {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  width: 100%;
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

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

.btn-google:hover {
  background: var(--bg-glass-hover);
  border-color: rgba(66, 133, 244, 0.5);
}

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

.btn-apple:hover {
  background: var(--bg-glass-hover);
  border-color: rgba(255, 255, 255, 0.3);
}

.btn-social.loading {
  pointer-events: none;
  opacity: 0.7;
}

.btn-social.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Divider */
.auth-divider {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  color: var(--text-muted);
  font-size: 0.85rem;
}

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

/* Form Styles */
.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.form-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: var(--spacing-md);
  color: var(--text-muted);
  pointer-events: none;
  z-index: 1;
}

.form-input {
  width: 100%;
  padding: var(--spacing-md);
  padding-left: calc(var(--spacing-md) * 2 + 18px);
  background: var(--bg-glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.2);
}

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

.input-toggle-password {
  position: absolute;
  right: var(--spacing-md);
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: var(--spacing-xs);
  display: flex;
  transition: color var(--transition-fast);
}

.input-toggle-password:hover {
  color: var(--text-secondary);
}

/* Password Strength */
.password-strength {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-xs);
}

.strength-bar {
  flex: 1;
  height: 4px;
  background: var(--bg-glass);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.strength-bar span {
  display: block;
  height: 100%;
  width: 0;
  border-radius: var(--radius-full);
  transition: width var(--transition-normal), background var(--transition-normal);
}

.strength-bar span.weak { background: #ef4444; }
.strength-bar span.fair { background: #f59e0b; }
.strength-bar span.good { background: #10b981; }
.strength-bar span.strong { background: #06b6d4; }

.strength-text {
  font-size: 0.75rem;
  color: var(--text-muted);
  white-space: nowrap;
}

/* Form Row */
.form-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
}

/* Checkbox */
.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  cursor: pointer;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.form-checkbox input {
  display: none;
}

.checkbox-custom {
  width: 20px;
  height: 20px;
  min-width: 20px;
  border: 2px solid var(--glass-border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.form-checkbox input:checked + .checkbox-custom {
  background: var(--gradient-primary);
  border-color: var(--primary);
}

.form-checkbox input:checked + .checkbox-custom::after {
  content: '✓';
  color: white;
  font-size: 0.75rem;
  font-weight: 700;
}

.checkbox-label {
  line-height: 1.4;
}

.form-link,
.form-link-inline {
  color: var(--primary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.form-link:hover,
.form-link-inline:hover {
  color: var(--primary-light);
}

/* Buttons */
.btn-block {
  width: 100%;
}

.btn-lg {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1rem;
}

.btn-loader {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.spinner {
  animation: spin 1s linear infinite;
}

.spinner .spinner-head {
  stroke: currentColor;
}

/* Auth Footer */
.auth-footer {
  text-align: center;
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--glass-border);
}

.auth-footer p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.auth-link {
  color: var(--primary);
  font-weight: 600;
  transition: color var(--transition-fast);
}

.auth-link:hover {
  color: var(--primary-light);
}

/* Terms */
.auth-terms {
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  max-width: 360px;
}

.auth-terms a {
  color: var(--text-secondary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

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

/* Info Box */
.auth-info-box {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background: var(--bg-glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-lg);
}

.auth-info-box svg {
  color: var(--primary);
  flex-shrink: 0;
}

.auth-info-box p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin: 0;
}

.auth-info-box p:first-child {
  margin-bottom: var(--spacing-xs);
}

.btn-link {
  background: none;
  border: none;
  color: var(--primary);
  font-size: inherit;
  font-weight: 600;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.btn-link:hover {
  color: var(--primary-light);
}

/* Mobile Responsiveness */
@media (max-width: 480px) {
  .auth-page {
    padding: var(--spacing-md);
  }

  .auth-card {
    padding: var(--spacing-lg);
  }

  .auth-title {
    font-size: 1.5rem;
  }

  .form-row {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* Light Theme Adjustments */
[data-theme="light"] .auth-bg-gradient {
  background: 
    radial-gradient(ellipse at 20% 20%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(236, 72, 153, 0.1) 0%, transparent 50%),
    var(--bg-primary);
}

[data-theme="light"] .auth-bg-orb {
  opacity: 0.2;
}

[data-theme="light"] .btn-social {
  background: white;
}

[data-theme="light"] .btn-social:hover {
  background: rgba(0, 0, 0, 0.02);
}