/* Login Page Specific Styles */

.login-container {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: var(--spacing-xl) var(--spacing-md);
  max-width: 400px;
  margin: 0 auto;
  z-index: 2;
}

/* App Branding */
.login-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.app-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.logo-icon {
  font-size: 64px;
  width: 96px;
  height: 96px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  border-radius: var(--radius-xl);
  box-shadow: 0 8px 32px rgba(0, 122, 255, 0.3);
  margin-bottom: var(--spacing-sm);
}

.app-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.app-subtitle {
  font-size: var(--font-size-md);
  margin-top: var(--spacing-sm);
  max-width: 280px;
  line-height: 1.4;
}

/* Login Form */
.login-form-container {
  width: 100%;
  margin-bottom: var(--spacing-xl);
}

.login-form {
  background-color: var(--bg-tertiary);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  box-shadow: 0 8px 32px var(--shadow-primary);
  border: 1px solid var(--border-secondary);
  backdrop-filter: blur(20px);
}

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-group:last-of-type {
  margin-bottom: var(--spacing-xl);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-secondary);
}

.form-input {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-lg);
  border: 1.5px solid var(--border-primary);
  border-radius: var(--radius-md);
  font-family: var(--font-family);
  font-size: var(--font-size-md);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.form-input:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 4px rgba(0, 122, 255, 0.1);
  transform: translateY(-1px);
}

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

/* Button Styling */
.form-actions {
  margin-bottom: var(--spacing-lg);
}

.btn-lg {
  padding: var(--spacing-lg) var(--spacing-xl);
  font-size: var(--font-size-lg);
  font-weight: 600;
  border-radius: var(--radius-md);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-blue), #0051d0);
  box-shadow: 0 4px 16px rgba(0, 122, 255, 0.4);
  border: none;
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 122, 255, 0.5);
}

.btn-primary:active {
  transform: translateY(0);
}

/* Loading State */
.btn-loading {
  display: flex;
  align-items: center;
  justify-content: center;
}

.loading-spinner {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top: 2px solid white;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* Error Messages */
.form-error {
  background-color: rgba(255, 59, 48, 0.1);
  border: 1px solid var(--accent-red);
  border-radius: var(--radius-sm);
  padding: var(--spacing-md);
  color: var(--accent-red);
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-md);
  text-align: center;
}

/* Footer */
.login-footer {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.login-link {
  color: var(--accent-blue);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.2s ease;
}

.login-link:hover {
  color: #0051d0;
  text-decoration: underline;
}

/* Background Elements */
.login-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  overflow: hidden;
  pointer-events: none;
}

.bg-circle {
  position: absolute;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(0, 122, 255, 0.1), rgba(175, 82, 222, 0.1));
  animation: float 6s ease-in-out infinite;
}

.bg-circle-1 {
  width: 200px;
  height: 200px;
  top: 10%;
  left: -10%;
  animation-delay: 0s;
}

.bg-circle-2 {
  width: 150px;
  height: 150px;
  top: 60%;
  right: -10%;
  animation-delay: 2s;
}

.bg-circle-3 {
  width: 100px;
  height: 100px;
  top: 80%;
  left: 20%;
  animation-delay: 4s;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px) rotate(0deg);
  }
  50% {
    transform: translateY(-20px) rotate(10deg);
  }
}

/* Success Message */
.success-message {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: var(--z-modal);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.success-message.show {
  opacity: 1;
}

.success-content {
  background-color: var(--bg-tertiary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: 0 16px 48px var(--shadow-primary);
  border: 1px solid var(--border-secondary);
  text-align: center;
  min-width: 200px;
}

.success-icon {
  font-size: 48px;
  color: var(--accent-green);
  margin-bottom: var(--spacing-md);
}

.success-content p {
  color: var(--text-primary);
  font-weight: 600;
  margin: 0;
}

/* Responsive Design */
@media (max-width: 480px) {
  .login-container {
    padding: var(--spacing-lg) var(--spacing-md);
  }
  
  .app-title {
    font-size: var(--font-size-2xl);
  }
  
  .logo-icon {
    width: 80px;
    height: 80px;
    font-size: 48px;
  }
  
  .login-form {
    padding: var(--spacing-lg);
  }
}

@media (min-width: 768px) {
  .login-container {
    max-width: 480px;
  }
  
  .login-background {
    display: block;
  }
  
  .bg-circle-1 {
    width: 300px;
    height: 300px;
  }
  
  .bg-circle-2 {
    width: 250px;
    height: 250px;
  }
  
  .bg-circle-3 {
    width: 150px;
    height: 150px;
  }
}

/* Dark Mode Specific Adjustments */
@media (prefers-color-scheme: dark) {
  .login-form {
    background-color: rgba(44, 44, 46, 0.8);
    backdrop-filter: blur(20px);
  }
  
  .logo-icon {
    box-shadow: 0 8px 32px rgba(10, 132, 255, 0.4);
  }
}

[data-theme="dark"] .login-form,
.dark-mode .login-form {
  background-color: rgba(44, 44, 46, 0.8);
  backdrop-filter: blur(20px);
}

[data-theme="dark"] .logo-icon,
.dark-mode .logo-icon {
  box-shadow: 0 8px 32px rgba(10, 132, 255, 0.4);
}

/* Animation improvements */
.animate-fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

/* Focus visible for accessibility */
.btn:focus-visible,
.form-input:focus-visible,
.demo-summary:focus-visible {
  outline: 2px solid var(--accent-blue);
  outline-offset: 2px;
}