:root {
  --theme-text-color: #ffffff;
  --theme-card-color: rgba(30, 30, 30, 0.9);
  --theme-primary-color: #5a5a5a;
  --theme-secondary-color: #333333;
  --theme-button-color: #444444;
  --theme-button-text-color: #ffffff;
  --theme-border-radius: 12px;
  --theme-box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  font-family: Arial, sans-serif;
  color: var(--theme-text-color);
  background-color: #111111;
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  position: relative;
}

body.theme-fog::before {
  content: "";
  position: fixed;
  inset: 0;
  background: rgba(255, 255, 255, 0.04);
  pointer-events: none;
  z-index: 0;
}

.container {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px;
}

h1,
h2,
h3,
p,
label {
  color: var(--theme-text-color);
}

input,
textarea,
select {
  width: 100%;
  padding: 12px;
  margin-top: 8px;
  margin-bottom: 12px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--theme-border-radius);
  background: rgba(255, 255, 255, 0.08);
  color: var(--theme-text-color);
  outline: none;
}

input::placeholder,
textarea::placeholder {
  color: rgba(255, 255, 255, 0.7);
}

textarea {
  min-height: 100px;
  resize: vertical;
}

button {
  background: var(--theme-button-color);
  color: var(--theme-button-text-color);
  border: none;
  padding: 12px 16px;
  border-radius: var(--theme-border-radius);
  cursor: pointer;
  transition: 0.2s ease;
  font-weight: 600;
}

button:hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
}

body.theme-glow button,
body.theme-glow .card,
body.theme-glow .modal-content,
body.theme-glow .group-card,
body.theme-glow .checkpoint-card {
  box-shadow: 0 0 18px rgba(124, 92, 196, 0.35);
}

.card,
.group-card,
.checkpoint-card,
.modal-content {
  background: var(--theme-card-color);
  color: var(--theme-text-color);
  border-radius: var(--theme-border-radius);
  box-shadow: var(--theme-box-shadow);
  padding: 16px;
  margin-bottom: 16px;
  backdrop-filter: blur(4px);
}

.small-note {
  font-size: 0.92rem;
  opacity: 0.9;
}

.hidden {
  display: none !important;
}

.hidden-task {
  display: none !important;
}

.button-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
  margin-bottom: 10px;
}

.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
  margin-bottom: 12px;
}

.checkbox-grid label {
  display: flex;
  align-items: center;
  gap: 8px;
  width: auto;
}

.checkbox-grid input[type="checkbox"] {
  width: auto;
  margin: 0;
}

#map {
  height: 500px;
  width: 100%;
  border-radius: var(--theme-border-radius);
  overflow: hidden;
  margin-bottom: 16px;
  box-shadow: var(--theme-box-shadow);
  position: relative;
  z-index: 1;
}

.leaflet-container {
  border-radius: var(--theme-border-radius);
}

#navigationBox {
  text-align: center;
  padding: 12px;
  border-radius: var(--theme-border-radius);
  background: rgba(255, 255, 255, 0.06);
  margin-top: 12px;
}

#arrow {
  font-size: 42px;
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease;
}

#distanceText {
  margin: 8px 0;
  font-weight: 600;
}

#gpsStatusWrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

#gpsStatusDot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: #ef4444;
  display: inline-block;
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.68);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  padding: 16px;
}

.modal-content {
  width: min(700px, 96vw);
  max-height: 88vh;
  overflow-y: auto;
  position: relative;
}

#taskArea input[type="text"],
#taskArea select {
  width: 100%;
}

.mc-option {
  display: block;
  margin: 8px 0;
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--theme-border-radius);
  background: rgba(255, 255, 255, 0.05);
  cursor: pointer;
}

.matching-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 10px 0;
  align-items: center;
}

.matching-left {
  min-width: 160px;
  font-weight: bold;
}

.puzzle-grid {
  display: grid;
  gap: 4px;
  margin-top: 12px;
  margin-bottom: 12px;
  justify-content: center;
}

.puzzle-tile {
  border: 1px solid rgba(255, 255, 255, 0.22);
  cursor: pointer;
  background-repeat: no-repeat;
  background-size: cover;
}

.puzzle-tile.selected {
  outline: 3px solid var(--theme-primary-color);
}

.upload-status {
  font-size: 0.95rem;
  margin-top: 8px;
}

.uploadButton {
  display: block;
  width: 100%;
  text-align: center;
  background: var(--theme-button-color);
  color: var(--theme-button-text-color);
  padding: 12px;
  border-radius: var(--theme-border-radius);
  font-weight: bold;
  cursor: pointer;
  margin-top: 10px;
  transition: 0.2s;
}

.uploadButton.selected {
  filter: brightness(1.1);
}

.uploadButton.error {
  background: #e74c3c;
  color: #ffffff;
}

#photoPreview {
  display: block;
  max-width: 100%;
  max-height: 260px;
  margin-top: 10px;
  border-radius: var(--theme-border-radius);
}

.checkpoint-story {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--theme-border-radius);
  padding: 12px;
  margin: 10px 0 14px;
  line-height: 1.5;
  white-space: pre-wrap;
}

.checkpoint-video {
  width: 100%;
  height: 220px;
  border: 0;
  border-radius: var(--theme-border-radius);
  margin: 0 0 14px;
  background: #000;
}

.checkpoint-audio {
  width: 100%;
  margin: 0 0 14px;
}

.checkpoint-image {
  width: 100%;
  max-height: 260px;
  object-fit: cover;
  border-radius: var(--theme-border-radius);
  margin: 0 0 14px;
  display: block;
}

.rank-item {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.rank-item:last-child {
  border-bottom: none;
}

.group-actions,
.checkpoint-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 10px;
}

.selected-card {
  outline: 2px solid var(--theme-primary-color);
}

.custom-emoji-icon {
  background: transparent;
  border: none;
}

@media (max-width: 768px) {
  .container {
    padding: 10px;
  }

  .card,
  .group-card,
  .checkpoint-card,
  .modal-content {
    padding: 12px;
  }

  #map {
    height: 420px;
  }

  .checkpoint-video {
    height: 200px;
  }

  .matching-row {
    flex-direction: column;
    align-items: stretch;
  }

  .matching-left {
    min-width: auto;
  }
}