/* ==========================================================================
   Popup/Modal Module
   ========================================================================== */

/* Container - covers viewport, hidden by default */
.popup-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2000;
  pointer-events: none;
  overflow: hidden;
  overflow-y: auto;
}

.popup-container[aria-hidden="false"] {
  pointer-events: auto;
}

/* Overlay */
.popup-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(0.3em);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  z-index: 2001;
}

.popup-overlay.is-visible {
  opacity: 1;
  visibility: visible;
}

/* Base Popup */
.popup {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  max-width: var(--max-width);
  max-height: 100%;
  transform: translate(-50%, -50%) scale(0.9);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease;
  z-index: 2002;
  
  display: flex;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  
  box-sizing: border-box;
  padding: calc(min(var(--max-width), 100%) * 0.2) 0 var(--spacing-md);
}

.popup.is-open {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, -50%) scale(1);
}

/* Inner wrapper for scrolling */
.popup__inner {
  position: relative;
  pointer-events: visible;
  
  width: calc(100% - (var(--spacing-md) * 2));
  max-width: calc(var(--max-width) - (var(--spacing-md) * 2));
  border-radius: 1.5em;
  background-color: #FFFCF1;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  
  margin: auto;
  margin-block: auto;
  margin-inline: auto;
}

/* Close button */
.popup__close {
  position: absolute;
  top: calc(var(--spacing-md) / -2);
  right: calc(var(--spacing-md) / -2);
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 10;
  padding: 0;
}

.popup__close-icon {
  display: block;
  width: 100%;
  height: 100%;
  position: relative;
  background: transparent url(../images/btn_close1.svg) no-repeat center center;
  background-size: contain;
}

/* Content area */
.popup__content {
  padding: calc(var(--spacing-md) * 0.8);
}

.popup__header {
	text-align: center;
	margin-bottom: var(--spacing-md);
	background-color: #FFFCF1;
	border-radius: 49.5%;
	position: absolute;
	top: 0;
	left: 50%;
	transform: translate(-50%, -50%);
  width: 40%;
  pointer-events: none;
}

.popup__header::before {
  content: '';
  display: block;
  padding-top: 100%;
}

.popup__icon {
  width: 50%;
  height: auto;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.popup__title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: calc(var(--spacing-md) / 2) 0;
  text-align: center;
}

.popup__body {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-secondary);
  position: relative;
  z-index: 10;
  overflow: hidden;
}

.popup__body p {
  margin: 0 0 1em;
  font-size: 16px;
  /*line-break: anywhere;*/
  text-align: justify;
}

.popup__body b {
  color: #8F553E;
  font-weight: 700;
}

.popup__body .footnote {
  font-size: 0.8em;
  color: #6e6e6e;
  text-align: left;
}

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

/* ==========================================================================
   Popup Theme Modifiers
   ========================================================================== */

/* Popup 1: Learning - Yellow/Orange theme */
#popup-learning .popup__icon {
  width: 60%;
}

/* ==========================================================================
   Animation
   ========================================================================== */

@keyframes popupOpen {
  0% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.8);
  }
  70% {
    transform: translate(-50%, -50%) scale(1.02);
  }
  100% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
  }
}

.popup.is-open {
  animation: popupOpen 0.2s ease-out forwards;
}