/* ============================
   Global styles and resets
   ============================ */

/* Apply border-box model to all elements to make sizing predictable */
* {
  box-sizing: border-box;
}

/* Remove underline from all links */
a {
  text-decoration: none;
}

/* ============================
   Main layout container
   ============================ */

/* Center all content vertically and horizontally on the screen */
.main {
  position: relative;
  display: flex;
  flex-direction: column; /* Stack elements vertically */
  justify-content: center; /* Vertically center content */
  align-items: center; /* Horizontally center content */
  padding: 0 20px;
  height: 100vh; /* Take full viewport height */
}

/* ============================
   Basic shapes and typography
   ============================ */

/* Simple centered square box for testing or visuals */
.box {
  margin: 50px auto;
  width: 100px;
  height: 100px;
}

/* Square element with black background and border */
.square {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100px;
  height: 100px;
  background-color: black;
  border-style: solid;
  border-radius: 5px;
}

/* Header text style */
h1 {
  font-size: 64px;
  font-weight: 700;
}

/* ============================
   Form elements and text
   ============================ */

/* Style for text inputs (e.g., file name field) */
input {
  width: 100%;
  padding: 15px 25px;
  margin: 50px 0;
}

/* Paragraph spacing and color */
p {
  color: #000;
  margin: 10px 0;
}

/* ============================
   Upload area (drag & drop)
   ============================ */

/* Default upload area styling */
.upload-area {
  border: 3px dashed #bbb; /* Dashed border to indicate drop zone */
  border-radius: 16px;
  padding: 40px;
  width: 320px;
  text-align: center;
  background: white;
  transition: all 0.3s ease; /* Smooth hover animation */
  cursor: pointer;
}

/* Style when file is being dragged over the upload area */
.upload-area.dragover {
  border-color: #4caf50; /* Green border */
  background-color: #f0fff0; /* Light green background */
  transform: scale(1.03); /* Slight zoom effect */
}

/* Hide the file input inside upload area (we use label click instead) */
.upload-area input {
  display: none;
}

/* ============================
   Container layout for text areas
   ============================ */

/* Layout for the two main sections (input and output text) */
.container {
  display: flex;
  margin-top: 20px;
}

/* Each content column (input or output) */
.container__content {
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Spacing between content boxes */
.container__box {
  margin: 0 20px;
}

/* Title styling for sections */
h2 {
  max-width: 320px;
  text-align: center;
}

/* Main text box styling (both input and output) */
.container__box {
  margin-top: 20px;
  height: 200px;
  border-style: solid;
  border-width: 2px;
  border-radius: 10px;
  border-color: rgba(0, 0, 0, 0.4);
  padding: 20px 10px;
  width: 320px;
  white-space: pre-wrap; /* Preserve line breaks in text */
}

/* ============================
   Button container and styles
   ============================ */

/* Wrapper for aligning buttons vertically */
.box__buttons {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

/* General button styling */
button {
  width: 200px;
  padding: 10px 0;
  margin-top: 10px;
  border-style: solid;
  border-color: rgba(0, 0, 0, 0.1);
  border-radius: 5px;
  background-color: rgba(0, 0, 0, 0.4);
  color: #fff;
  cursor: pointer;
  transition: all 0.5s; /* Smooth hover transition */
}

/* Hover effect for buttons */
button:hover {
  background-color: #fff; /* Invert colors on hover */
  color: #000;
  border-color: rgba(0, 0, 0, 0.8);
}