.rlb-alert-demo {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  width: 100%;
}

/* Base alert styles */
.rlb-alert {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--border-color);
  border-radius: var(--border-radius);
  background: var(--surface-color);
  font-size: var(--font-size-base);
  line-height: 1.5;
}

.rlb-alert__icon {
  flex-shrink: 0;
  font-size: 1.25rem;
  line-height: 1.4;
  user-select: none;
}

.rlb-alert__content {
  flex: 1;
  min-width: 0;
}

.rlb-alert__label {
  font-weight: 700;
  margin-right: 0.25rem;
}

/* Info variant */
.rlb-alert--info {
  border-left-color: var(--alert-blue);
  background: var(--alert-blue-surface);
}

/* Success variant */
.rlb-alert--success {
  border-left-color: var(--alert-green);
  background: var(--alert-green-surface);
}

/* Warning variant */
.rlb-alert--warning {
  border-left-color: var(--alert-yellow-dark);
  background: var(--alert-yellow-surface);
}

.rlb-alert--warning .rlb-alert__label {
  color: var(--alert-yellow-dark);
}

/* Error variant */
.rlb-alert--error {
  border-left-color: var(--alert-red);
  background: var(--alert-red-surface);
}

/* Dismissible variant */
.rlb-alert--dismissible {
  padding-right: 0.5rem;
}

.rlb-alert__dismiss {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-left: auto;
  padding: 0.25rem;
  min-width: 28px;
  min-height: 28px;
  background: transparent;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  color: var(--text-color-muted);
  transition: background-color var(--transition-duration);
}

.rlb-alert__dismiss:hover {
  background: rgba(0, 0, 0, 0.08);
}

.rlb-alert__dismiss:focus-visible {
  outline: 2px solid var(--focus-color);
  outline-offset: 2px;
}

/* Trigger button */
.rlb-alert-demo__trigger {
  font-size: var(--font-size-base);
  padding: 0.6rem 1.2rem;
  background-color: var(--primary-color);
  color: var(--text-color-inverse);
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: background-color var(--transition-duration);
}

.rlb-alert-demo__trigger:hover {
  background-color: var(--primary-color-hover);
}

.rlb-alert-demo__trigger:focus {
  outline: 3px solid var(--focus-color);
  outline-offset: 2px;
}

/* Live region container */
.rlb-alert-demo__live-region {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}