/* Base Reset & Variables */
:root {
  --primary: #1e3a8a;
  --primary-dark: #172554;
  --bg-main: #f1f5f9;
  --bg-card: #ffffff;
  --text-main: #334155;
  --text-dark: #0f172a;
  --accent-yellow: #fef08a;
  --accent-blue: #e0f2fe;
  --border: #cbd5e1;
}

a, a:link, a:visited, a:active {
    color: #333333; 
}

a:hover {
    color: #007bff; /* Replace with your preferred hover color */
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  padding: 20px 15px; 
}

/* Container Limit */
.wrapper {
  max-width: 1200px; /* UPDATED: Changed from 960px to modern standard 1200px grid system */
  margin: 0 auto;
  background-color: var(--bg-card);
  box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  border-radius: 8px;
  overflow: hidden;
}

/* Header Layout */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  padding: 20px;
  gap: 15px;
  border-bottom: 1px solid var(--border);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand img {
  width: 48px;
  height: auto;              
  aspect-ratio: 1 / 1;       
  object-fit: contain;
}

.brand h1 {
  font-size: 1.5rem;
  color: var(--text-dark);
}

.brand h1 span {
  color: var(--primary);
}

/* Search Bar */
.search-box div {
  display: flex;
  gap: 5px;
}

.search-box input[type="text"] {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 0.95rem;
  width: 220px;
}

.search-box input[type="submit"] {
  background-color: var(--primary);
  color: white;
  border: none;
  padding: 8px 16px;
  border-radius: 4px;
  cursor: pointer;
  font-weight: bold;
  transition: background 0.2s;
}

.search-box input[type="submit"]:hover {
  background-color: var(--primary-dark);
}

/* Alphabetical Navigation */
.alpha-nav {
  background-color: var(--primary);
  padding: 10px;
  text-align: center;
}

.alpha-nav a {
  color: white;
  text-decoration: none;
  font-weight: bold;
  font-size: 0.9rem;
  display: inline-block;
  padding: 2px 5px;
  transition: opacity 0.2s;
}

.alpha-nav a:hover {
  opacity: 0.7;
}

/* Content Grid */
.info-grid {
  display: grid;
  grid-template-columns: 3fr 1fr; /* UPDATED: Changed from 2fr to 3fr to maximize layout balance across 1200px */
  gap: 20px;
  padding: 20px;
}

.info-card {
  padding: 25px;
  border-radius: 6px;
}

.info-card h2 {
  margin-bottom: 15px;
  color: var(--text-dark);
  font-size: 1.4rem;
}

.card-yellow {
  background-color: var(--accent-yellow);
  border-left: 5px solid #eab308;
}

.card-blue {
  background-color: var(--accent-blue);
  border-left: 5px solid #0284c7;
}

/* DLL Directory Links Grid */
.directory-section {
  padding: 20px;
  border-top: 1px solid var(--border);
}

.links-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); 
  gap: 12px;
  margin-bottom: 25px;
}

.links-grid a {
  color: var(--primary);
  text-decoration: none;
  font-size: 0.9rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
}

.links-grid a:hover {
  text-decoration: underline;
}

/* Ad Placement */
.ad-container {
  display: flex;
  justify-content: center;
  padding: 15px 0;
  border-top: 1px solid var(--border);
}

/* Footer Layout */
footer {
  background-color: #f8fafc;
  border-top: 1px solid var(--border);
  padding: 20px;
  text-align: center;
  font-size: 0.85rem;
}

footer .disclaimer {
  margin-bottom: 10px;
}

footer .disclaimer a {
  color: #64748b;
  text-decoration: none;
  font-weight: bold;
}

footer .disclaimer a:hover {
  text-decoration: underline;
}

/* ==========================================================================
   ADDED SYSTEM STYLES (For installation steps, lists, and path tables)
   ========================================================================== */
.guide-container {
  padding: 10px;
}

.guide-container h3 {
  color: var(--text-dark);
  margin: 25px 0 10px 0;
  font-size: 1.15rem;
}

.guide-container h3:first-of-type {
  margin-top: 15px;
}

.guide-container ul {
  padding-left: 20px;
  margin-bottom: 15px;
}

.guide-container li {
  margin-bottom: 6px;
}

.guide-container li a {
  color: var(--primary);
  text-decoration: none;
}

.guide-container li a:hover {
  text-decoration: underline;
}

.guide-disclaimer {
  font-size: 0.9rem;
  color: #64748b;
  margin-bottom: 20px;
}

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

.guide-disclaimer a:hover {
  text-decoration: underline;
}

.path-table {
  width: 100%;
  border-collapse: collapse;
  margin: 15px 0;
  font-size: 0.95rem;
}

.path-table th, .path-table td {
  border: 1px solid var(--border);
  padding: 10px 12px;
  text-align: left;
}

.path-table th {
  background-color: #f8fafc;
  color: var(--text-dark);
}

.path-table tr:nth-child(even) {
  background-color: #f8fafc;
}

code {
  background-color: #e2e8f0;
  padding: 2px 6px;
  border-radius: 4px;
  font-family: Consolas, Monaco, monospace;
  font-size: 0.9em;
  color: #0f172a;
}

/* Responsive Breakpoint */
@media (max-width: 768px) {
  header {
    flex-direction: column;
    text-align: center;
  }
  
  .brand {
    flex-direction: column;
  }
  
  .info-grid {
    grid-template-columns: 1fr;
  }
  
  .search-box div {
    width: 100%;
  }
  
  .search-box input[type="text"] {
    flex-grow: 1;
    width: auto;
  }
  
  .path-table {
    display: block;
    overflow-x: auto;
  }
}