/* Global Theme Variables */
:root {
  /* Dark Theme Defaults */
  --bg-color: #121212;
  --text-color: #e0e0e0;
  --card-bg: #1e1e1e;
  --input-bg: #2c2c2c;
  --primary-color: #bb86fc;
  --primary-hover: #9a67ea;
  --accent-color: #669999;
  /* Print Button Variables (Dark Theme) */
  --print-color: #FFF2C2;
  --print-hover: #bdac7b;
  --print-text-color: #000000;
  /* Spinner Color (Dark Theme) */
  --spinner-color: #bb86fc;
  /* Spacing & Typography */
  --font-family-base: 'Open Sans', sans-serif;
  --section-spacing: 2rem;
}

/* Light Theme Overrides */
body.light-theme {
  --bg-color: #FDF6E3;
  --text-color: #333333;
  --card-bg: #FFFFFF;
  --input-bg: #FFFFFF;
  --primary-color: #E2725B;
  --primary-hover: #C65D4A;
  --accent-color: #669999;
  /* Print Button Variables (Light Theme) */
  --print-color: #FFECB3;
  --print-hover: #a39569;
  --print-text-color: #000000;
  /* Spinner Color (Light Theme) */
  --spinner-color: #E2725B;
}

/* Logo Styling */
.navbar-brand img {
  max-height: 60px;
  width: auto;
}

/* Base Styles */
body {
  background-color: var(--bg-color);
  color: var(--text-color);
  font-family: var(--font-family-base);
  line-height: 1.6;
  transition: background-color 0.3s, color 0.3s;
  margin: 0;
  padding: 0;
}

a {
  color: var(--primary-color);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  padding-top: var(--section-spacing);
  max-width: 800px;
  margin: 0 auto;
}

/* Card Component */
.card {
  background-color: var(--card-bg);
  border: none;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.5);
  margin-bottom: var(--section-spacing);
  transition: background-color 0.3s;
  padding: 1.5rem;
  border-radius: 0.5rem;
}

.card-title {
  color: var(--text-color);
  margin-bottom: 1rem;
}

/* Form Controls */
.form-control {
  background-color: var(--input-bg);
  border: 1px solid #444;
  color: var(--text-color);
  transition: background-color 0.3s, color 0.3s;
  padding: 0.5rem;
  border-radius: 0.25rem;
}

/* Button Styles */
.btn-primary,
.btn-secondary,
.btn-print {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  padding: 0.75rem 1.25rem;
  font-weight: 600;
  border-radius: 0.3rem;
}

.btn-primary {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  border-color: var(--primary-hover);
  transform: scale(1.02);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
  background-color: var(--accent-color);
  border-color: var(--accent-color);
}

.btn-secondary:hover {
  background-color: var(--accent-color);
  border-color: var(--accent-color);
  transform: scale(1.02);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.btn-print {
  background-color: var(--print-color);
  border-color: var(--print-color);
  color: var(--print-text-color);
}

.btn-print:hover {
  background-color: var(--print-hover);
  border-color: var(--print-hover);
  transform: scale(1.02);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Spinner Styling */
.spinner-border {
  color: var(--spinner-color) !important;
}

/* Progress Indicator */
.progress {
  height: 20px;
  background-color: var(--input-bg);
  border-radius: 10px;
  overflow: hidden;
  margin-top: 1rem;
}

.progress-bar {
  background-color: var(--primary-color);
  transition: width 0.4s ease;
}

/* Drag-and-Drop Upload Area */
.dropzone {
  border: 2px dashed var(--primary-color);
  padding: 2rem;
  text-align: center;
  color: var(--text-color);
  border-radius: 5px;
  transition: background-color 0.3s ease;
  width: 100%;
  box-sizing: border-box;
  position: relative;
  margin-bottom: var(--section-spacing);
}

.dropzone.dragover {
  background-color: rgba(226, 114, 91, 0.1);
}

/* Dropzone Overlay for Visual Feedback */
.dropzone-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.dropzone.dragover .dropzone-overlay {
  opacity: 1;
}

/* Responsive Adjustments for Dropzone */
@media (max-width: 576px) {
  .dropzone {
    padding: 1rem;
    font-size: 0.9rem;
  }
}

/* Processing Message */
#processing-message {
  text-align: center;
  margin-top: 1rem;
  font-size: 1.2rem;
  color: var(--primary-color);
  animation: blink 1s infinite;
}

@keyframes blink {
  0% { opacity: 1; }
  50% { opacity: 0.5; }
  100% { opacity: 1; }
}

/* Processing Text Animation */
.processing-text {
  animation: fadeInOut 3s infinite;
}

@keyframes fadeInOut {
  0% { opacity: 0; }
  20% { opacity: 1; }
  80% { opacity: 1; }
  100% { opacity: 0; }
}

/* Report Container */
#report {
  background-color: var(--card-bg);
  padding: 1rem;
  border-radius: 5px;
  color: var(--text-color);
  overflow-x: auto;
  margin-bottom: var(--section-spacing);
}

/* Table Styles */
table {
  border-collapse: collapse;
  width: 100%;
  background-color: var(--card-bg);
  color: var(--text-color);
  margin-bottom: var(--section-spacing);
  border: 1px solid #444 !important;
}

table th,
table td {
  border: 1px solid #444 !important;
  padding: 8px;
  text-align: left;
}

/* Footer */
.footer-theme {
  background-color: var(--bg-color);
  color: var(--text-color);
  transition: background-color 0.3s, color 0.3s;
  padding: 1rem 0;
  margin-top: var(--section-spacing);
  text-align: center;
}

/* Alerts */
.alert {
  transition: opacity 0.3s;
}