/* prototype/index.css */
:root {
  --prototype-primary-accent: #007bff; /* Primary blue for branding cues */
  --prototype-secondary-accent: #6c757d; /* Secondary gray */
  --prototype-background-light: #f8f9fa;
  --prototype-border-color: #dee2e6;
  --wireframe-placeholder-bg: #e9ecef;
  --wireframe-border-color: #ced4da;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  margin: 0;
  background-color: #e9ebee; /* Light gray background */
  color: #1c1e21; /* Dark gray text */
  display: flex;
  justify-content: center;
  align-items: flex-start;
  min-height: 100vh;
  padding: 20px;
  box-sizing: border-box;
}

.prototype-container {
  background-color: #ffffff; /* White container background */
  padding: 25px 35px; /* Slightly increased padding */
  border-radius: 12px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1); /* Enhanced shadow */
  max-width: 960px; /* Increased max-width for detailed wireframes */
  width: 100%;
  text-align: left;
  border: 1px solid var(--prototype-border-color);
}

.prototype-header {
  text-align: center;
  margin-bottom: 30px; /* Increased margin */
  padding-bottom: 20px; /* Increased padding */
  border-bottom: 1px solid var(--prototype-border-color);
}

.prototype-header h1 {
  color: var(--prototype-primary-accent);
  font-size: 2.4em; /* Slightly larger */
  margin: 0 0 10px 0;
  font-weight: 600;
}

.prototype-header p {
  font-size: 1.1em; /* Slightly larger */
  color: #4b4f56;
  margin: 0;
}

.prototype-nav {
  display: flex;
  justify-content: center;
  margin-bottom: 30px; /* Increased margin */
  border-bottom: 1px solid var(--prototype-border-color);
  padding-bottom: 15px;
  flex-wrap: wrap;
}

.prototype-nav button {
  background-color: transparent;
  border: none;
  padding: 12px 18px; /* Increased padding */
  cursor: pointer;
  font-size: 1.05em; /* Slightly larger */
  color: #4b4f56;
  border-bottom: 3px solid transparent;
  transition: color 0.3s ease, border-bottom-color 0.3s ease, background-color 0.3s ease;
  margin: 5px 8px; /* Adjusted margin */
  border-radius: 6px 6px 0 0; /* Top rounded corners for tabs */
}

.prototype-nav button:hover {
  color: var(--prototype-primary-accent);
  background-color: rgba(0, 123, 255, 0.05);
}

.prototype-nav button.active {
  color: var(--prototype-primary-accent);
  border-bottom-color: var(--prototype-primary-accent);
  font-weight: 600;
}

.prototype-main {
  padding-top: 15px; /* Increased padding */
}

.prototype-tab-content {
  animation: fadeIn 0.5s ease-in-out;
  padding: 15px; /* Increased padding */
  border: 1px solid transparent; /* Placeholder for potential tab panel border */
  border-radius: 0 0 8px 8px;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(15px); }
  to { opacity: 1; transform: translateY(0); }
}

.prototype-tab-content h2 {
  color: #0056b3;
  font-size: 1.8em; /* Slightly larger */
  margin-top: 0;
  margin-bottom: 25px; /* Increased margin */
  padding-bottom: 10px;
  border-bottom: 1px solid #eee;
}

.prototype-tab-content p {
  line-height: 1.75; /* Increased line height */
  color: #333;
  font-size: 1.05em; /* Slightly larger */
  margin-bottom: 18px; /* Increased margin */
}

/* Styles for textual content tabs (Project Vision) */
.excellence-section {
  margin-bottom: 30px;
  padding: 25px; /* Increased padding */
  background-color: var(--prototype-background-light);
  border-radius: 8px;
  border: 1px solid #e9ecef;
}

.excellence-section h3 {
  color: var(--prototype-primary-accent);
  font-size: 1.5em; /* Slightly larger */
  margin-top: 0;
  margin-bottom: 18px; /* Increased margin */
  padding-bottom: 12px; /* Increased padding */
  border-bottom: 1px solid var(--prototype-border-color);
}

.excellence-section ul {
  list-style-type: none;
  padding-left: 0;
}

.excellence-section li {
  margin-bottom: 15px; /* Increased margin */
  padding-left: 30px; /* Increased padding */
  position: relative;
  font-size: 1em; /* Standardized font size */
  line-height: 1.65; /* Adjusted line height */
}

.excellence-section li::before {
  content: '🚀'; /* Changed icon */
  color: var(--prototype-primary-accent);
  position: absolute;
  left: 0;
  font-weight: bold;
  font-size: 1.2em; /* Icon size */
}

.excellence-section li strong {
  color: #212529; /* Darker for strong text */
  font-weight: 600;
}

/* Wireframe Specific Styles Enhancements */
.wireframe-view {
  background-color: #fdfdfd; /* Slightly off-white for wireframe background */
  border: 1px solid #e0e0e0; /* Softer border */
  padding: 20px; /* Increased padding */
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05); /* Subtle shadow for depth */
}

.wireframe-box { /* Class added in JS for more specific styling */
  border-radius: 6px !important; /* Ensure WireframeBox gets rounded corners */
}

.wireframe-view h2 {
  color: #333;
  border-bottom: 1px solid #e0e0e0;
  padding-bottom: 12px; /* Increased padding */
  margin-bottom: 25px; /* Increased margin */
  font-weight: 600;
}

.product-grid-wireframe {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 20px; /* Increased gap */
}

.wireframe-section-container {
  border: 1px solid #f0f0f0;
  padding: 15px;
  margin-top: 25px;
  border-radius: 8px;
  background-color: #fff;
}
.wireframe-section-title {
  font-size: 1.2em;
  color: #555;
  margin-bottom: 15px;
  text-align: left;
  border-bottom: 1px solid #eee;
  padding-bottom: 8px;
}

.wireframe-form-heading {
    font-size: 1.1em;
    color: #333;
    margin-bottom: 15px;
    text-align: left;
    font-weight: 600;
}


.prototype-footer {
  margin-top: 35px; /* Increased margin */
  padding-top: 25px; /* Increased padding */
  border-top: 1px solid var(--prototype-border-color);
  text-align: center;
  font-size: 0.95em; /* Slightly larger */
  color: #606770;
}