/* Reset và base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  background-color: transparent;
  margin: 0;
  padding: 0;
  overflow: auto;
}

/* Container cho ảnh */
.image-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: #f0f0f0;
  z-index: 1;
}

/* Ảnh hiển thị với kích thước thật */
.image-container img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
}

/* OpenSeadragon Viewer - ẩn đi */
.openseadragon-viewer {
  display: none;
}

/* Custom OpenSeadragon styling */
.openseadragon-viewer .openseadragon-canvas {
  cursor: grab;
}

.openseadragon-viewer .openseadragon-canvas:active {
  cursor: grabbing;
}

/* Ẩn các control mặc định của OpenSeadragon */
.openseadragon-viewer .openseadragon-controls {
  display: none;
}

/* Language Toggle Button */
.language-btn {
  position: fixed !important;
  top: 20px !important;
  right: 20px !important;
  z-index: 9999 !important;
  padding: 8px 12px;
  background-color: #ff6b35;
  border: none;
  border-radius: 30px;
  color: white;
  font-size: 14px;
  font-weight: bold;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: all 0.3s ease;
  display: block !important;
  visibility: visible !important;
  opacity: 1 !important;
  min-width: 120px;
  text-align: center;
}

/* View Mode Toggle Button */
.view-mode-btn {
  position: fixed !important;
  top: 70px !important;
  right: 20px !important;
  z-index: 9999 !important;
  padding: 8px 12px;
  background-color: #2196f3;
  border: none;
  border-radius: 30px;
  color: white;
  font-size: 14px;
  font-weight: bold;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: all 0.3s ease;
  display: block !important;
  visibility: visible !important;
  opacity: 1 !important;
  min-width: 120px;
  text-align: center;
}

.language-btn:hover {
  background-color: #e55a2b;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

/* Active state (English) */
.language-btn.active {
  background-color: #4caf50;
}

.language-btn.active:hover {
  background-color: #45a049;
}

.view-mode-btn:hover {
  background-color: #1976d2;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

/* View mode button active state */
.view-mode-btn.active {
  background-color: #4caf50;
}

.view-mode-btn.active:hover {
  background-color: #45a049;
}

/* Loading Spinner */
.loading-spinner {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.8);
  display: none; /* Ẩn ban đầu */
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 10000;
  color: white;
  font-family: Arial, sans-serif;
}

.spinner {
  width: 60px;
  height: 60px;
  border: 6px solid #f3f3f3;
  border-top: 6px solid #ff6b35;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 20px;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.loading-spinner p {
  font-size: 18px;
  font-weight: bold;
  margin: 0;
  text-align: center;
}

/* Hiển thị loading khi cần */
.loading-spinner.show {
  display: flex;
}

/* Ẩn loading khi ảnh đã tải xong */
.loading-spinner.hidden {
  display: none;
}