/* General body styles */
body {
  font-family: Arial, Helvetica, sans-serif;
  background: linear-gradient(135deg, #f0f2f5, #dbe9ff);
  margin: 0;
  padding: 0;
}

/* Main container */
.container {
  width: 80%;
  max-width: 800px;
  margin: 40px auto;
  background-color: #ffffff;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.1);
}

/* Heading */
h1 {
  text-align: center;
  color: #007bff;
  margin-bottom: 30px;
}

/* Drag-and-drop area */
.drop-zone {
  border: 2px dashed #007bff;
  border-radius: 12px;
  padding: 40px;
  text-align: center;
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease;
  margin-bottom: 20px;
  font-weight: bold;
  position: relative;
}
.drop-zone:hover {
  background-color: #e6f0ff;
}
.drop-zone input {
  display: none;
}

/* Dropdown */
label {
  font-weight: bold;
  margin-bottom: 6px;
  display: block;
}
select {
  width: 100%;
  padding: 10px;
  border-radius: 6px;
  border: 1px solid #ccc;
  margin-bottom: 20px;
}

/* Button */
button {
  width: 100%;
  padding: 12px;
  font-size: 16px;
  border-radius: 7px;
  border: none;
  cursor: pointer;
  background-color: #007bff;
  color: white;
}
button:hover {
  background-color: #0056b3;
}

/* Download button */
#download-btn {
  margin-top: 15px;
  background-color: #28a745;
}
#download-btn:hover {
  background-color: #218838;
}

/* Results */
#results {
  margin-top: 25px;
}
#results h3 {
  margin-bottom: 8px;
  color: #007bff;
}
#file-name {
  font-weight: bold;
  margin-bottom: 15px;
}
#extracted-text {
  border: 1px solid #ddd;
  background-color: #f4f6f8; /* Light gray */
  padding: 15px;
  border-radius: 7px;
  max-height: 200px;
  overflow-y: auto;
  white-space: pre-wrap;
  margin-bottom: 20px;
}

#summary {
  border: 1px solid #ddd;
  background-color: #f9fbff; /* light professional background */
  padding: 15px 20px;
  border-radius: 20px; /* oval effect */
  max-height: 200px;
  overflow-y: auto;
  white-space: pre-wrap;
  margin-bottom: 20px;

  /* subtle shadow for professional look */
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}
/* Spinner */
.spinner {
  border: 4px solid #f3f3f3;
  border-top: 4px solid #007bff;
  border-radius: 50%;
  width: 28px;
  height: 28px;
  animation: spin 1s linear infinite;
  margin: 10px auto;
}
@keyframes spin {
  100% {
    transform: rotate(360deg);
  }
}

.highlight {
  display: inline-block;        /* prevents odd wrapping when padding is added */
  padding: 0 6px;               /* breathing room around the word */
  margin: 0 2px;                /* small gap from surrounding text */
  background-color: #fff3b0;    /* soft, professional highlight (yellow-beige) */
  color: #0b1220;               /* dark text for good contrast */
  font-weight: 600;             /* slightly stronger than body text */
  border-radius: 6px;           /* pill/oval feel */
  transition: background-color 0.18s ease, transform 0.12s ease;
  line-height: 1.4;
  white-space: normal;
}