/**
 * Authentication styles
 */

.login-container {
  min-height: 100vh;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-bg-tertiary) 100%);
  padding: var(--spacing-lg);
  margin: 0;
}

.login-card {
  width: 100%;
  max-width: 400px;
  background-color: var(--color-bg-primary);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-2xl);
}

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

.login-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-xs);
}

.login-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.login-form {
  margin-top: var(--spacing-xl);
}

.login-error {
  padding: var(--spacing-md);
  background-color: #fee;
  border: 1px solid var(--color-error);
  border-radius: var(--border-radius);
  color: var(--color-error);
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-sm);
}

.login-button {
  width: 100%;
  margin-top: var(--spacing-md);
}

.login-container {
  position: relative;
  overflow: hidden;
  background: radial-gradient(circle at 20% 20%, #e0f2fe, transparent 50%),
    radial-gradient(circle at 80% 30%, #e9d5ff, transparent 45%),
    linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-bg-tertiary) 100%);
}

.login-container::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--brand-logo, none);
  background-repeat: no-repeat;
  background-position: center;
  background-size: 70%;
  opacity: 0.06;
  pointer-events: none;
}

.login-card {
  position: relative;
  z-index: 1;
  backdrop-filter: blur(8px);
  background-color: rgba(255, 255, 255, 0.88);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.6);
  animation: cardGlow 5s ease-in-out infinite;
}

.login-button {
  position: relative;
  overflow: hidden;
}

.login-button::after {
  content: "";
  position: absolute;
  top: -50%;
  left: -120%;
  width: 60%;
  height: 200%;
  background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.35), transparent);
  transform: skewX(-20deg);
  animation: buttonShimmer 3.2s ease-in-out infinite;
  pointer-events: none;
}

@keyframes buttonShimmer {
  0% {
    left: -120%;
  }
  45% {
    left: 120%;
  }
  100% {
    left: 120%;
  }
}

@keyframes cardGlow {
  0%,
  100% {
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
  }
  50% {
    box-shadow: 0 22px 70px rgba(99, 102, 241, 0.22);
  }
}