/* Font Face */
@font-face {
  font-family: 'Lexend-Medium';
  src: url('./Lexend-Medium.ttf') format('truetype');
  font-weight: 500;
  font-style: normal;
}

/* Color Variables */
:root {
  --bg-color: #262123;
  --text-color: #E8DED3;
  --link-color: #4C4646;
  --tag-bg: #E8DED3;
  --tag-text: #262123;
  --type-color: #4C4646;
}

/* Base Styles */
* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  background-color: var(--bg-color);
  color: var(--text-color);
  font-family: 'Lexend-Medium', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  overflow: hidden;
}

/* Header */
header {
  background-color: var(--bg-color);
  padding: 16px 24px;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  height: 60px;
  margin-top: 12px;
}

.header-logo {
  height: 60px;
  width: auto;
  object-fit: contain;
}

/* Layout */
.layout {
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: calc(100vh - 60px);
  height: calc(100vh - 60px);
}

/* Top Buttons (Filters and Fullscreen) */
.top-btn {
  position: absolute;
  top: 16px;
  z-index: 200;
  padding: 8px 16px;
  background-color: rgba(255, 255, 255, 0.1);
  color: #E8DED3;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  font-family: 'Lexend-Medium', sans-serif;
  cursor: pointer;
  transition: all 0.2s;
}

.top-btn:hover {
  background-color: rgba(255, 255, 255, 0.15);
}

#filters-btn {
  left: 16px;
}

#fullscreen-btn {
  right: 16px;
}

/* Filters Popup Backdrop */
.filters-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 299;
  display: none;
}

.filters-backdrop.active {
  display: block;
}

/* Filters Popup */
.filters-popup {
  position: fixed;
  top: 80px;
  left: 16px;
  background-color: var(--bg-color);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
  z-index: 300;
  display: none;
  width: 320px;
  max-height: calc(100vh - 100px);
  overflow: hidden;
  font-family: 'Lexend-Medium', sans-serif;
}

.filters-popup.active {
  display: block;
}

@media (max-width: 768px) {
  .filters-popup {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90vw;
    max-width: 400px;
    max-height: 80vh;
  }
}

.filters-popup-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.filters-popup-header h2 {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
}

.close-filters-btn {
  background: none;
  border: none;
  color: var(--text-color);
  font-size: 28px;
  cursor: pointer;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transition: background-color 0.2s;
  padding: 0;
  line-height: 1;
}

.close-filters-btn:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

.filters-popup-content {
  padding: 20px;
  overflow-y: auto;
  max-height: calc(80vh - 70px);
}

.filter-group {
  margin-bottom: 24px;
}

.filter-group h3 {
  margin: 0 0 12px 0;
  font-size: 14px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: rgba(232, 222, 211, 0.7);
}

.filter-options {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-tag {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--text-color);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 6px;
  padding: 6px 12px;
  font-size: 12px;
  cursor: pointer;
  user-select: none;
  transition: all 0.2s;
}

.filter-tag:hover {
  background-color: rgba(255, 255, 255, 0.15);
}

.filter-tag.active {
  background-color: var(--tag-bg);
  color: var(--tag-text);
  border-color: var(--tag-bg);
}

#search-input {
  width: 100%;
  padding: 8px 12px;
  background-color: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 6px;
  color: var(--text-color);
  font-size: 14px;
  font-family: inherit;
}

#search-input:focus {
  outline: none;
  border-color: var(--tag-bg);
  background-color: rgba(255, 255, 255, 0.15);
}

#search-input::placeholder {
  color: rgba(232, 222, 211, 0.5);
}

.reset-btn {
  width: 100%;
  padding: 10px;
  background-color: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 6px;
  color: var(--text-color);
  font-size: 14px;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.2s;
}

.reset-btn:hover {
  background-color: rgba(255, 255, 255, 0.15);
}

/* Main Content */
.content {
  position: relative;
  background-color: var(--bg-color);
  width: 100%;
  height: 100%;
  overflow: hidden;
}

#visualization {
  width: 100%;
  height: 100%;
  display: block;
  cursor: grab;
}

#visualization:active {
  cursor: grabbing;
}

/* Pop-up Card */
.popup {
  position: absolute;
  background-color: var(--bg-color);
  color: var(--text-color);
  padding: 16px;
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
  z-index: 10000;
  max-width: 280px;
  pointer-events: auto;
  display: none;
  font-family: 'Lexend-Medium', sans-serif;
  touch-action: manipulation;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
}

.popup-photo {
  width: 100%;
  max-width: 100%;
  border-radius: 6px;
  margin-bottom: 12px;
  display: block;
}

.popup-name {
  font-size: 20px;
  font-weight: 600;
  margin: 0 0 4px 0;
  font-family: 'Lexend-Medium', sans-serif;
}

.popup-type {
  font-size: 13px;
  color: var(--type-color);
  margin: 0 0 12px 0;
  font-family: 'Lexend-Medium', sans-serif;
}

.popup-description {
  font-size: 13px;
  color: var(--text-color);
  margin: 0 0 12px 0;
  line-height: 1.4;
  font-family: 'Lexend-Medium', sans-serif;
}

.popup-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0 0 12px 0;
}

.popup-tag {
  background-color: var(--tag-bg);
  color: var(--tag-text);
  border-radius: 4px;
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 500;
  font-family: 'Lexend-Medium', sans-serif;
  border: none;
  cursor: pointer;
  outline: none;
  pointer-events: auto;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
  display: inline-block;
  min-height: 24px;
  min-width: 40px;
}

.popup-tag.active {
  background-color: #E673C8;
  color: #262123;
}

.popup-tag:focus-visible {
  outline: 2px solid #E673C8;
  outline-offset: 2px;
}

.popup-button {
  display: inline-block;
  padding: 8px 16px;
  background-color: #E673C8;
  color: #262123;
  border: none;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  font-family: 'Lexend-Medium', sans-serif;
  cursor: pointer;
  text-decoration: none;
  transition: opacity 0.2s;
  pointer-events: auto;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
  min-height: 36px;
  min-width: 120px;
}

.popup-button:hover {
  opacity: 0.9;
}

.popup-button:active {
  opacity: 0.8;
}

/* SVG Elements */
.node {
  cursor: pointer;
  stroke: var(--bg-color);
  stroke-width: 2;
  transition: opacity 0.2s;
}

.link {
  stroke: var(--link-color);
  stroke-width: 1.5;
  stroke-opacity: 0.6;
  transition: opacity 0.2s, stroke-opacity 0.2s;
}

.link.highlighted {
  stroke-opacity: 1;
}

/* Node image pattern */
.node-image {
  pointer-events: none;
}

/* Node labels */
.node-label {
  font-family: 'Lexend-Medium', sans-serif;
  pointer-events: none;
  user-select: none;
}

/* Responsive Design */
@media (max-width: 768px) {
  .popup {
    max-width: 240px;
  }
  
  .filters-popup {
    max-width: 90vw;
    max-height: 90vh;
  }
}