/* Main CSS styles for the image compression application - Mongolian version */

:root {
  --primary-color: rgb(44, 62, 80);      /* Dark blue-gray header background */
  --secondary-color: rgb(52, 152, 219);  /* Blue button primary */
  --accent-color: rgb(46, 204, 113);     /* Green button secondary */
  --background-color: rgb(236, 240, 241); /* Light gray body background */
  --card-bg-color: rgb(255, 255, 255);   /* White card background */
  --text-primary: rgb(255, 255, 255);    /* White text on dark backgrounds */
  --text-secondary: rgb(51, 51, 51);     /* Dark text on light backgrounds */
  --border-color: rgb(52, 152, 219);     /* Blue border color */
  --hover-color: rgba(52, 152, 219, 0.05); /* Light blue hover effect */
}

body {
  font-family: 'Arial', sans-serif;
  background-color: var(--background-color);
  color: var(--text-secondary);
  margin: 0;
  padding: 0;
}

header {
  background-color: var(--primary-color) !important;
  color: var(--text-primary) !important;
}

.bg-primary {
  background-color: var(--primary-color) !important;
}

.text-white {
  color: var(--text-primary) !important;
}

.card {
  background-color: var(--card-bg-color);
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  margin-bottom: 20px;
  overflow: hidden;
}

.card-header {
  background-color: var(--primary-color);
  color: var(--text-primary);
  padding: 15px 20px;
  font-weight: bold;
}

.btn-primary {
  background-color: var(--secondary-color) !important;
  border-color: var(--secondary-color) !important;
  color: var(--text-primary) !important;
}

.btn-success {
  background-color: var(--accent-color) !important;
  border-color: var(--accent-color) !important;
  color: var(--text-primary) !important;
}

.btn-primary:hover, .btn-primary:focus {
  background-color: rgba(52, 152, 219, 0.9) !important;
  border-color: rgba(52, 152, 219, 0.9) !important;
}

.btn-success:hover, .btn-success:focus {
  background-color: rgba(46, 204, 113, 0.9) !important;
  border-color: rgba(46, 204, 113, 0.9) !important;
}

.upload-area {
  border: 2px dashed var(--border-color);
  border-radius: 8px;
  padding: 40px 20px;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  background-color: var(--card-bg-color);
}

.upload-area:hover, .upload-area.dragover {
  background-color: var(--hover-color);
  border-color: var(--secondary-color);
}

.preview-image {
  max-width: 100%;
  max-height: 400px;
  border-radius: 4px;
}

.preview-box {
  padding: 15px;
  border: 1px solid #eee;
  border-radius: 8px;
  text-align: center;
}

.compression-stats {
  padding: 20px;
  background-color: var(--hover-color);
  border-radius: 8px;
}

.progress {
  height: 20px;
  margin: 15px 0;
}

.progress-bar {
  background-color: var(--accent-color) !important;
}

.color-swatch {
  width: 50px;
  height: 50px;
  border-radius: 4px;
  display: inline-block;
  border: 1px solid #ddd;
}

.analysis-section {
  margin-bottom: 30px;
  padding-bottom: 20px;
  border-bottom: 1px solid #eee;
}

.analysis-section:last-child {
  border-bottom: none;
}

footer {
  background-color: var(--primary-color) !important;
  color: var(--text-primary) !important;
}

.nav-link {
  color: var(--text-primary) !important;
}

.dropdown-menu {
  background-color: var(--card-bg-color);
  border: 1px solid var(--border-color);
}

.dropdown-item {
  color: var(--text-secondary);
}

.dropdown-item:hover {
  background-color: var(--hover-color);
  color: var(--secondary-color);
}

@media (max-width: 768px) {
  .card-body {
    padding: 15px;
  }
  
  .upload-area {
    padding: 20px 10px;
  }
}