@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;600;800&display=swap');

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  font-family: 'JetBrains Mono', monospace, monospace;
  user-select: none;
  -webkit-user-select: none;
}

/* Theme Modes */
body.theme-dark {
  background-color: #000000;
  color: #ffffff;
}

body.theme-light {
  background-color: #ffffff;
  color: #000000;
}

/* Canvas styling */
#canvas {
  display: block;
  width: 100vw;
  height: 100vh;
  cursor: grab;
}

#canvas:active {
  cursor: grabbing;
}

/* Minimal Floating Control Bar */
.control-bar {
  position: fixed;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 9999px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
  max-width: calc(100vw - 20px);
  overflow-x: auto;
  white-space: nowrap;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.control-bar::-webkit-scrollbar {
  display: none;
}

body.theme-dark .control-bar {
  background-color: rgba(0, 0, 0, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #ffffff;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 8px 10px -6px rgba(0, 0, 0, 0.5);
}

body.theme-light .control-bar {
  background-color: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(0, 0, 0, 0.2);
  color: #000000;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
}

/* Form & Input */
.search-form {
  display: flex;
  align-items: center;
  gap: 4px;
}

.icon-btn {
  background: transparent;
  border: none;
  color: inherit;
  padding: 6px;
  min-width: 34px;
  min-height: 34px;
  border-radius: 9999px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.15s ease;
  touch-action: manipulation;
}

body.theme-dark .icon-btn:hover {
  background-color: rgba(255, 255, 255, 0.15);
}

body.theme-light .icon-btn:hover {
  background-color: rgba(0, 0, 0, 0.1);
}

.search-input {
  background: transparent;
  border: none;
  outline: none;
  color: inherit;
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  width: 110px;
}

@media (min-width: 640px) {
  .search-input {
    width: 180px;
  }
}

body.theme-dark .search-input::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

body.theme-light .search-input::placeholder {
  color: rgba(0, 0, 0, 0.4);
}

/* Separator */
.divider {
  width: 1px;
  height: 18px;
  flex-shrink: 0;
}

body.theme-dark .divider {
  background-color: rgba(255, 255, 255, 0.2);
}

body.theme-light .divider {
  background-color: rgba(0, 0, 0, 0.2);
}

/* Text buttons in control bar */
.text-btn {
  background: transparent;
  border: none;
  color: inherit;
  font-family: inherit;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.5px;
  padding: 6px 10px;
  min-height: 34px;
  border-radius: 9999px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  flex-shrink: 0;
  transition: background-color 0.15s ease, transform 0.1s ease;
  touch-action: manipulation;
}

body.theme-dark .text-btn:hover {
  background-color: rgba(255, 255, 255, 0.15);
}

body.theme-light .text-btn:hover {
  background-color: rgba(0, 0, 0, 0.1);
}

body.theme-dark .text-btn.active-highlight {
  background-color: rgba(255, 255, 255, 0.22);
  outline: 1px solid rgba(255, 255, 255, 0.5);
}

body.theme-light .text-btn.active-highlight {
  background-color: rgba(0, 0, 0, 0.12);
  outline: 1px solid rgba(0, 0, 0, 0.4);
}

.text-btn:active {
  transform: scale(0.96);
}

/* Meaningful Words Drawer Panel */
.word-panel {
  position: fixed;
  top: 70px;
  right: 16px;
  width: 320px;
  max-width: calc(100vw - 32px);
  max-height: calc(100vh - 90px);
  z-index: 60;
  display: flex;
  flex-direction: column;
  padding: 16px;
  border-radius: 16px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 20px 30px -10px rgba(0, 0, 0, 0.5);
  animation: slideIn 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-10px) scale(0.97);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

body.theme-dark .word-panel {
  background-color: rgba(10, 10, 10, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #ffffff;
}

body.theme-light .word-panel {
  background-color: rgba(250, 250, 250, 0.92);
  border: 1px solid rgba(0, 0, 0, 0.2);
  color: #000000;
}

.word-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid currentColor;
  opacity: 0.9;
}

.word-panel-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 1px;
}

.word-panel-actions {
  margin-bottom: 12px;
}

.action-btn {
  width: 100%;
  padding: 8px 12px;
  border-radius: 8px;
  border: none;
  font-family: inherit;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.5px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: opacity 0.15s ease, transform 0.1s ease;
}

body.theme-dark .action-btn {
  background-color: #ffffff;
  color: #000000;
}

body.theme-light .action-btn {
  background-color: #000000;
  color: #ffffff;
}

.action-btn:hover {
  opacity: 0.9;
}

.action-btn:active {
  transform: scale(0.98);
}

.word-category-tags {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 8px;
  margin-bottom: 8px;
  scrollbar-width: none;
}

.word-category-tags::-webkit-scrollbar {
  display: none;
}

.tag-btn {
  background: transparent;
  border: 1px solid currentColor;
  color: inherit;
  font-family: inherit;
  font-size: 10px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 9999px;
  cursor: pointer;
  white-space: nowrap;
  opacity: 0.6;
  transition: opacity 0.15s ease, background-color 0.15s ease;
}

.tag-btn.active, .tag-btn:hover {
  opacity: 1;
}

body.theme-dark .tag-btn.active {
  background-color: rgba(255, 255, 255, 0.2);
}

body.theme-light .tag-btn.active {
  background-color: rgba(0, 0, 0, 0.15);
}

.word-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 280px;
  overflow-y: auto;
  padding-right: 4px;
}

.word-list::-webkit-scrollbar {
  width: 4px;
}

body.theme-dark .word-list::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.3);
  border-radius: 2px;
}

body.theme-light .word-list::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.3);
  border-radius: 2px;
}

.word-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.15s ease;
}

body.theme-dark .word-item:hover {
  background-color: rgba(255, 255, 255, 0.12);
}

body.theme-light .word-item:hover {
  background-color: rgba(0, 0, 0, 0.08);
}

.word-item-name {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.word-item-coord {
  font-size: 10px;
  font-weight: 600;
  opacity: 0.7;
  font-family: inherit;
}

.match-counter {
  font-size: 12px;
  font-weight: 700;
  padding: 0 4px;
}

/* Coordinates badge */
.coord-badge {
  display: none;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  opacity: 0.8;
}

@media (min-width: 640px) {
  .coord-badge {
    display: flex;
  }
}