:root {
  /* Colors */
  --primary-color: #1976d2;
  --primary-dark: #1251a3;
  --secondary-color: #1a4b91;
  --secondary-dark: #1a4b91;
  --text-color: #222;
  --text-muted: #444;
  --text-light: #888;
  --bg-color: #fafbfc;
  --bg-white: #fff;
  --highlight-bg: #fffbe6;
  --highlight-border: #ffe066;
  --highlight-accent: #b8860b;
  --modal-backdrop: rgba(0, 0, 0, 0.18);
  --shadow-light: rgba(0, 0, 0, 0.07);
  --shadow-medium: rgba(0, 0, 0, 0.27);
  --shadow-dark: rgba(0, 0, 0, 0.8);
  --transparent: rgba(0, 0, 0, 0);

  /* Typography */
  --font-family-primary: "Segoe UI", Arial, sans-serif;
  --font-family-secondary: "Inter", "Segoe UI", Arial, sans-serif;
  --font-size-modal-link: 1rem;
  --font-size-modal-title: 1.5rem;
  --font-size-popup-title: 1rem;
  --font-size-popup-link: 0.85rem;
  --font-size-popup-text: 0.8rem;
  --font-size-popup-container: 1rem;
  --font-size-popup-close: 1.5rem;
  --font-size-modal-close: 1.5rem;
  --font-weight-normal: 500;
  --font-weight-bold: 700;

  /* Spacing */
  --spacing-container-top: 32px;
  --spacing-modal-horizontal: 32px;
  --spacing-modal-top: 24px;
  --spacing-modal-bottom: 16px;
  --spacing-modal-title-bottom: 10px;
  --spacing-modal-description-bottom: 16px;
  --spacing-modal-link-vertical: 10px;
  --spacing-modal-close-right: 16px;
  --spacing-popup-vertical: 10px;
  --spacing-popup-horizontal: 10px;
  --spacing-popup-gap: 10px;
  --spacing-popup-link-horizontal: 10px;

  /* Border radius */
  --border-radius-sm: 5px;
  --border-radius-md: 6px;
  --border-radius-lg: 9px;
  --border-radius-xl: 12px;

  /* Transitions */
  --transition-fast: 0.18s;
  --transition-medium: 0.22s;
  --transition-slow: 0.28s;
  --transition-cubic: cubic-bezier(0.4, 2, 0.6, 1);

  /* Sizes */
  --modal-max-width: 90vw;
  --popup-max-width: 250px;
  --container-max-width: 1200px;

  /* Z-index */
  --z-hotspot: 2;
  --z-modal-root: 1000;
  --z-modal: 1001;
  --z-popup: 9999;
}

body {
  margin: 0;
  font-family: var(--font-family-primary);
  background: var(--bg-color);
  color: var(--text-color);
}

.interactive-image-container {
  position: relative;
  max-width: var(--container-max-width);
  margin: var(--spacing-container-top) auto 0 auto;
  background: var(--bg-white);
  border-radius: var(--border-radius-xl);
  box-shadow: 0 4px 24px var(--shadow-light);
  overflow: visible;
  container-type: inline-size;
}

.main-image {
  width: 100%;
  display: block;
  border-radius: var(--border-radius-xl);
}

#hotspot-layer {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
}

/* Odstraněny zbytečné styly pro .hotspot, .tooltip, .modal, .popup-tooltip, .modal-backdrop, #modal-root, .interactive-image-container::after a související media query bloky */

/* Modal */
#modal-root {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: var(--z-modal-root);
  pointer-events: none;
}
.modal-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--modal-backdrop);
  opacity: 0;
  transition: opacity var(--transition-medium);
  pointer-events: auto;
}
.modal-backdrop.visible {
  opacity: 1;
}
.modal {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) scale(0.97);
  max-width: var(--modal-max-width);
  width: max-content;
  background: var(--bg-white);
  border-radius: var(--border-radius-xl);
  box-shadow: 0 8px 32px var(--shadow-dark);
  padding: var(--spacing-modal-top) var(--spacing-modal-horizontal)
    var(--spacing-modal-bottom) var(--spacing-modal-horizontal);
  opacity: 0;
  transition:
    opacity var(--transition-medium),
    transform var(--transition-medium);
  z-index: var(--z-modal);
  pointer-events: auto;
}
.modal.visible {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}
.modal.highlight {
  background: var(--highlight-bg);
  border: 2px solid var(--highlight-border);
  box-shadow: 0 8px 32px rgba(255, 224, 102, 0.18);
}
.modal-title {
  font-size: var(--font-size-modal-title);
  font-weight: var(--font-weight-bold);
  margin: 0 0 var(--spacing-modal-title-bottom) 0;
  color: var(--primary-color);
}
.modal.highlight .modal-title {
  color: var(--highlight-accent);
}
.modal-description {
  margin: 0 0 var(--spacing-modal-description-bottom) 0;
  color: var(--text-muted);
}
.modal-actions {
  text-align: right;
  margin: 0;
}
.modal-link {
  background: var(--primary-color);
  color: var(--bg-white);
  border: none;
  border-radius: var(--border-radius-md);
  padding: var(--spacing-modal-link-vertical) 18px;
  font-size: var(--font-size-modal-link);
  font-weight: var(--font-weight-normal);
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(25, 118, 210, 0.1);
  transition: background var(--transition-fast);
  text-decoration: none;
  display: inline-block;
}
.modal-link:hover {
  background: var(--primary-dark);
}
.modal-close {
  position: absolute;
  top: 10px;
  right: var(--spacing-modal-close-right);
  background: none;
  border: none;
  font-size: var(--font-size-modal-close);
  color: var(--text-light);
  cursor: pointer;
  transition: color var(--transition-fast);
}
.modal-close:hover {
  color: var(--primary-color);
}

/* Neviditelné aktivní oblasti */
.active-area {
  position: absolute;
  background: var(--transparent);
  cursor: pointer;
  z-index: var(--z-hotspot);
  pointer-events: auto;
}
.active-area:focus {
  outline: 3px solid var(--primary-color);
  outline-offset: 2px;
}

/* Enhanced focus styles for accessibility */
.cross-btn:focus {
  outline: 3px solid var(--primary-color);
  outline-offset: 2px;
}

.popup-link:focus {
  outline: 3px solid var(--primary-color);
  outline-offset: 2px;
}

/* Popup modal (malé, decentní) */
.popup-modal {
  position: absolute;
  background: rgba(255, 255, 255, 0.97);
  color: var(--text-color);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--text-color);
  box-shadow: 0 5px 10px var(--shadow-medium);
  padding: var(--spacing-popup-vertical) var(--spacing-popup-horizontal);
  font-size: var(--font-size-popup-container);
  width: max-content;
  max-width: var(--popup-max-width);
  min-width: 160px;
  opacity: 0;
  transform: scale(0.97);
  transition:
    opacity var(--transition-medium),
    transform var(--transition-medium);
  z-index: var(--z-popup);
  pointer-events: none;
  /* Hide from screen readers when not visible, but allow focus */
  visibility: hidden;
  box-sizing: border-box;
  font-family: var(--font-family-secondary);
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-popup-gap);
  overflow: visible;
  text-wrap: balance;

  /* Positioning relative to icon */
  left: calc(100% + 10px);
  top: 50%;
  transform-origin: left center;
  transform: translateY(-50%) scale(0.97);
}

/* Invisible bridge to prevent hover gaps */
.popup-modal::before {
  content: "";
  position: absolute;
  left: -15px;
  top: 0;
  bottom: 0;
  width: 15px;
  background: transparent;
  pointer-events: auto;
}

/* Show popup on hover and focus */
.hotspot-wrapper:hover .popup-modal,
.cross-btn:focus .popup-modal,
.hotspot-wrapper:focus-within .popup-modal {
  opacity: 1;
  transform: translateY(-50%) scale(1);
  pointer-events: auto;
  visibility: visible;
}

/* 
 * Keyboard Navigation Flow:
 * 1. Tab to button -> popup appears via :focus
 * 2. Tab again -> focus moves to link inside popup (popup stays visible via :focus-within)
 * 3. Tab again -> focus moves to next hotspot button, popup hides
 */

/* Position popup to the left if it would overflow (for right-side icons) */
.hotspot-wrapper:last-child .popup-modal {
  left: calc(-100% - 210px);
  transform-origin: right center;
  transform: translateY(-50%) scale(0.97);
}

/* Bridge for right-positioned popup */
.hotspot-wrapper:last-child .popup-modal::before {
  left: auto;
  right: -15px;
}

.hotspot-wrapper:last-child:hover .popup-modal,
.hotspot-wrapper:last-child .cross-btn:focus .popup-modal,
.hotspot-wrapper:last-child:focus-within .popup-modal {
  transform: translateY(-50%) scale(1);
  opacity: 1;
  pointer-events: auto;
  visibility: visible;
}
.popup-modal.highlight {
  background: var(--highlight-bg);
  border: 2px solid var(--highlight-border);
  box-shadow: 0 4px 24px rgba(255, 224, 102, 0.18);
}
.popup-modal .popup-title {
  font-weight: var(--font-weight-bold);
  margin: 0;
  color: var(--secondary-color);
  font-size: var(--font-size-popup-title);
  text-align: center;
  word-break: break-word;
  white-space: normal;
  max-width: 100%;
  overflow-wrap: break-word;
}
.popup-modal .popup-description {
  text-align: center;
  font-size: var(--font-size-popup-text);
  margin: 0;
  color: var(--text-color);
  word-break: break-word;
  white-space: normal;
  max-width: 100%;
  overflow-wrap: break-word;
}
.popup-modal .popup-actions {
  text-align: center;
  width: 100%;
  margin: 0;
  display: flex;
  justify-content: center;
  align-items: center;
}
.popup-modal .popup-link {
  background: var(--secondary-color);
  color: var(--bg-white);
  border: none;
  border-radius: var(--border-radius-sm);
  padding: 3px var(--spacing-popup-link-horizontal);
  font-size: var(--font-size-popup-link);
  font-weight: var(--font-weight-normal);
  cursor: pointer;
  box-shadow: 0 1px 3px rgba(26, 57, 123, 0.1);
  transition: background var(--transition-fast);
  text-decoration: none;
  display: flex;
  justify-content: center;
  align-items: center;
  font-family: var(--font-family-secondary);
  margin-top: 0;
  margin-bottom: 0;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  overflow-wrap: break-word;
}
.popup-modal .popup-link:hover {
  opacity: 0.8;
}
.popup-modal .popup-close {
  display: none;
}

/* Šipka pod oknem (volitelně, lze přidat ::after) */
.popup-tooltip::after,
.popup-modal::after {
  display: none !important;
  content: none !important;
}

/* Skryji původní styly pro .hotspot, .modal, .tooltip atd. */
.hotspot,
.modal,
.tooltip,
#modal-root {
  display: none !important;
}

/* Hotspot wrapper - obsahuje icon + popup */
.hotspot-wrapper {
  position: absolute;
  width: 48px;
  height: 48px;
  z-index: var(--z-hotspot);
}

/* Boost z-index when popup is active to ensure it appears above other hotspots */
.hotspot-wrapper:hover,
.hotspot-wrapper:focus-within {
  z-index: var(--z-popup);
}

.cross-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  outline: none;
  transition: filter var(--transition-fast);
  z-index: var(--z-hotspot);
  pointer-events: auto;
  width: 48px;
  height: 48px;
  position: relative;
}
.cross-svg {
  width: 34px;
  height: 34px;
  transition: transform var(--transition-slow) var(--transition-cubic);
  will-change: transform;
}
.hotspot-wrapper:hover .cross-svg,
.cross-btn:focus .cross-svg,
.cross-btn:active .cross-svg {
  transform: rotate(90deg) scale(1.25);
  filter: drop-shadow(0 2px 8px rgba(26, 57, 123, 0.18));
}
/* SVG icon colors are now defined in the external SVG file */

.active-area {
  outline: none !important;
  border: none !important;
  box-shadow: none !important;
  background: var(--transparent);
  pointer-events: none;
}

/* @container (max-width: 900px) {
  .hotspot-wrapper {
    display: none !important;
  }
} */

/* Reduced motion preferences for accessibility */
@media (prefers-reduced-motion: reduce) {
  /* Disable all animations and transitions */
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0s !important;
  }

  /* Remove transforms but keep hover states visible */
  .hotspot-wrapper:hover .cross-svg,
  .cross-btn:focus .cross-svg,
  .cross-btn:active .cross-svg {
    transform: none !important;
  }

  /* Simplify popup appearance */
  .popup-modal {
    transform: translateY(-50%) !important;
  }

  .hotspot-wrapper:hover .popup-modal,
  .cross-btn:focus .popup-modal,
  .hotspot-wrapper:focus-within .popup-modal {
    transform: translateY(-50%) !important;
  }

  .hotspot-wrapper:last-child .popup-modal {
    transform: translateY(-50%) !important;
  }

  .hotspot-wrapper:last-child:hover .popup-modal,
  .hotspot-wrapper:last-child .cross-btn:focus .popup-modal,
  .hotspot-wrapper:last-child:focus-within .popup-modal {
    transform: translateY(-50%) !important;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .cross-btn {
    border: 2px solid var(--secondary-color);
    background: var(--bg-white);
    border-radius: 50%;
    box-shadow: 0 0 0 1px var(--secondary-color);
  }

  .popup-modal {
    border-width: 2px;
    background: var(--bg-white);
    box-shadow: 0 0 0 2px var(--text-color);
  }

  .cross-svg {
    filter: contrast(1.5);
  }

  .hotspot-wrapper:hover .cross-btn,
  .cross-btn:focus,
  .cross-btn:active,
  .hotspot-wrapper:focus-within .cross-btn {
    background: var(--secondary-color);
    box-shadow: 0 0 0 2px var(--secondary-color);
  }

  .hotspot-wrapper:hover .cross-svg,
  .cross-btn:focus .cross-svg,
  .cross-btn:active .cross-svg,
  .hotspot-wrapper:focus-within .cross-svg {
    filter: brightness(0) invert(1) contrast(1.5);
  }
}