/* === Comprehendase Color Variables === */
:root {
  --bg-cream: #0B0F14;
  --text-dark: #0F2E5A;
  --accent-teal: #1E96DD;
  --accent-teal-hover: #2BC4C9;
  --highlight-orange: #7A6FF0;
  --shadow-gray: rgba(0, 0, 0, 0.2);
}

/* ------------------------------ GLOBAL PAGE STYLING --------------------------------*/
body {
  background-color: var(--bg-cream);
  color: var(--text-dark);
  font-family: 'Inter', sans-serif;
}

h2, h3 {
  font-weight: 600;
  background-color: var(--bg-cream);
  color: var(--text-dark);
  font-family: 'Inter', sans-serif;
  text-align: center;
  margin-top: 5px;
  margin-bottom: 5px;
}

/* ------------------------------ PAGE DISPLAY AREA --------------------------------*/
#output {
  width: 100%;
  max-width: 900px;
  margin: 40px auto;
}

/* Wrapper for each PDF page */
.page-wrapper {
  position: relative;
  padding-top: 0; 
  margin-top: 50px;
  margin-bottom: 50px;
  background-color: var(--bg-cream);
  border-radius: 8px;
  overflow: visible;
  box-shadow: 0 4px 14px var(--shadow-gray);
}

/* The rendered PDF page image */
.page-image {
  display: block;
}

/* ------------------------------ OVERLAY CONTAINER --------------------------------*/
.text-overlay {
  position: absolute;
  top: 0;
  left: 0;
  pointer-events: auto;
  width: 100%;
  height: 100%;
  z-index: 10;
}

/* ------------------------------ WORD OVERLAY STYLING --------------------------------*/
.word {
  position: absolute;
  white-space: nowrap;
  background: rgba(255, 255, 255, 0.0);
  pointer-events: auto;
  border-radius: 3px;
  transition: background 0.15s ease;
  padding: 0;
}

/* Words with definitions */
.has-definition {
  background-color: rgba(0, 0, 0, 0.15);
  color: #ffffff;
  border-radius: 4px;

  /* keep small padding for highlight glow */
  padding: 0 2px;
}

/* ------------------------------ RESPONSIVE BEHAVIOR --------------------------------*/
@media (max-width: 600px) {
  #output {
    margin: 20px;
  }
}

/* === Comprehendase Catalytic Clarity Theme === */
header {
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding-bottom: 0;
}

.logo-img {
  max-width: 750px;
  height: 350px;
  display: block;
  overflow: hidden;
  margin: 0 auto;
  padding-bottom: 0;
}

.upload-box {
  border: none;
  background-color: transparent;
  padding-top: 0;
  padding-bottom: 0;
  margin: 0;
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 12px;
}

button.upload {
  background-color: var(--accent-teal);
  font-weight: 600;
  color: #002f62;
  border: none;
  padding: 0;
  border-radius: 6px;
}

button.upload:hover {
  background-color: var(--accent-teal-hover);
}

input[type="file"].upload::file-selector-button {
  background-color: var(--accent-teal);
  font-weight: 600;
  color: var(--text-dark);
  border: none;
  padding: 0.5rem 0.5rem;
  border-radius: 6px;
  cursor: pointer;
}

button.reconstruct {
  background-color: var(--accent-teal);
  font-weight: 600;
  color: var(--text-dark);
  border: none;
  padding: 0.5rem 0.5rem;
  border-radius: 6px;
  cursor: pointer;
}

/* Center upload + analyze buttons on one line */
.controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  margin-top: 20px;
}

.footerlogo-img {
  max-width: 350px;
  height: 100px;
  display: block;
  overflow: hidden;
  margin: 0 auto;
  padding-bottom: 0;
}