/**
 * Login Page Styles
 * Modern, elegant login experience
 */

.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  padding: var(--space-4);
  position: relative;
  overflow: hidden;
}

/* Animated background pattern */
.login-container::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
  animation: backgroundFloat 20s ease-in-out infinite;
}

@keyframes backgroundFloat {
  0%, 100% {
    transform: translate(0, 0);
  }
  50% {
    transform: translate(30px, 30px);
  }
}

.login-card {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 420px;
  background-color: var(--color-neutral-0);
  border-radius: var(--radius-xl);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  padding: var(--space-10) var(--space-8);
  animation: slideUp 0.5s ease-out;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.login-header {
  text-align: center;
  margin-bottom: var(--space-8);
}

.login-logo {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-4);
  background: linear-gradient(135deg, var(--color-brand-600), var(--color-brand-700));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
}

.login-title {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--color-neutral-900);
  margin-bottom: var(--space-2);
}

.login-subtitle {
  font-size: var(--text-base);
  color: var(--color-neutral-600);
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.login-footer {
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: var(--border-width) solid var(--color-neutral-200);
  text-align: center;
  font-size: var(--text-sm);
  color: var(--color-neutral-600);
}

/* Flash messages on login page */
.login-flash {
  position: fixed;
  top: var(--space-6);
  left: 50%;
  transform: translateX(-50%);
  z-index: var(--z-tooltip);
  min-width: 320px;
  max-width: 500px;
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-base);
  box-shadow: var(--shadow-lg);
  animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translate(-50%, -20px);
  }
  to {
    opacity: 1;
    transform: translate(-50%, 0);
  }
}

.login-flash-error {
  background-color: var(--color-error-50);
  color: var(--color-error-700);
  border: var(--border-width) solid var(--color-error-200);
}

.login-flash-notice {
  background-color: var(--color-success-50);
  color: var(--color-success-700);
  border: var(--border-width) solid var(--color-success-200);
}

/* Mobile responsive */
@media (max-width: 640px) {
  .login-card {
    padding: var(--space-8) var(--space-6);
  }

  .login-title {
    font-size: var(--text-2xl);
  }
}