/**
 * @file
 * Styles for GMS Alert banners.
 */

/* CSS Custom Properties for colors (can be overridden inline) */
:root {
  --gms-alert-bg-info: #0074D9;
  --gms-alert-bg-warning: #FF851B;
  --gms-alert-bg-error: #FF4136;
  --gms-alert-text-info: white;
  --gms-alert-text-warning: white;
  --gms-alert-text-error: white;
}

/* Alert wrapper */
.gms-alert-wrapper {
  position: relative;
  width: 100%;
  padding: 0 2rem;
}

/* Base alert styles - hidden by default to prevent flash */
.gms-alert {
  position: relative;
  display: none; /* Hidden by default, shown by JS if not dismissed */
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 1rem 3rem 1rem 1.5rem;
  margin-bottom: 0.5rem;
  font-weight: 500;
  line-height: 1.5;
}

/* When JS shows the alert, it becomes flex */
.gms-alert[style*="display:"][style*="block"],
.gms-alert[style*="display:"][style*="flex"],
.gms-alert[style=""] {
  display: flex;
}

/* Severity-specific background and text colors */
.gms-alert--info {
  background-color: var(--gms-alert-bg-info);
  color: var(--gms-alert-text-info);
}

.gms-alert--warning {
  background-color: var(--gms-alert-bg-warning);
  color: var(--gms-alert-text-warning);
}

.gms-alert--error {
  background-color: var(--gms-alert-bg-error);
  color: var(--gms-alert-text-error);
}

/* Alert content */
.gms-alert__content {
  flex: 1;
}

.gms-alert__content p:last-child {
  margin-bottom: 0;
}

.gms-alert__content a {
  color: inherit;
  text-decoration: underline;
}

.gms-alert__content a:hover,
.gms-alert__content a:focus {
  text-decoration: none;
}

/* Close button */
.gms-alert__close {
  position: absolute;
  top: 50%;
  right: 1rem;
  transform: translateY(-50%);
  width: 2rem;
  height: 2rem;
  padding: 0;
  background: transparent;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease;
  color: inherit; /* Inherit text color from alert */
}

.gms-alert__close:hover,
.gms-alert__close:focus {
  transform: translateY(-50%) scale(1.1);
  outline: none;
}

/* X icon using pseudo-elements */
.gms-alert__close::before,
.gms-alert__close::after {
  content: '';
  position: absolute;
  width: 1.5rem;
  height: 2px;
  background-color: currentColor;
}

.gms-alert__close::before {
  transform: rotate(45deg);
}

.gms-alert__close::after {
  transform: rotate(-45deg);
}

.gms-alert__close:hover::before,
.gms-alert__close:hover::after,
.gms-alert__close:focus::before,
.gms-alert__close:focus::after {
  height: 3px;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .gms-alert {
    padding: 0.8rem 2.5rem 0.8rem 1rem;
    font-size: 1.3rem;
  }

  .gms-alert__close {
    width: 2.5rem;
    height: 2.5rem;
    right: 0.5rem;
  }

  .gms-alert__close::before,
  .gms-alert__close::after {
    width: 1.2rem;
  }
}

/* Accessibility: visually hidden but screen reader accessible */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}