/* =========================================================
   GRID III CSS
   Title: GOLD GRID III Layout
   Description: Layout and colors for GRID III topics 601–900
   Update: 001
   Date: 2026-05-21
   ========================================================= */

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: #fff8ea;
  color: #222;
}

.grid-wrap {
  max-width: 1500px;
  margin: 30px auto;
  padding: 20px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

h1 {
  margin: 0;
  font-size: 36px;
}

.back {
  text-decoration: none;
  padding: 10px 16px;
  border: 1px solid #444;
  border-radius: 10px;
  background: #fff;
  color: #222;
  font-weight: 800;
}

.back:hover {
  background: #f3ead7;
}

.subtitle {
  margin: 0 0 24px 0;
  color: #666;
  font-size: 17px;
}

.tile-grid {
  display: grid;
  grid-template-columns: repeat(20, 1fr);
  gap: 6px;
}

.tile {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 42px;
  border-radius: 8px;
  text-decoration: none;
  background: #ffe7b8;
  border: 1px solid #d9ad63;
  color: #222;
  font-weight: 800;
  font-size: 12px;
  transition: transform 0.12s ease, background 0.12s ease;
}

.tile:hover {
  background: #ffd98a;
  transform: translateY(-2px);
}

.tile.has-topic {
  background: #f4b860;
  border-color: #a66a14;
}

.tile.has-topic:hover {
  background: #eaa341;
}

@media (max-width: 1100px) {
  .tile-grid {
    grid-template-columns: repeat(10, 1fr);
  }
}

@media (max-width: 650px) {
  .tile-grid {
    grid-template-columns: repeat(5, 1fr);
  }
}
.tile{
  position:relative;
  overflow:visible;
}

.tile-hover{
  display:none;
  position:absolute;
  left:50%;
  bottom:110%;
  transform:translateX(-50%);
  min-width:180px;
  max-width:260px;
  padding:8px 10px;
  border-radius:8px;
  background:#fffaf0;
  border:1px solid #b9822b;
  color:#222;
  font-size:12px;
  line-height:1.35;
  text-align:left;
  z-index:9999;
  box-shadow:0 4px 14px rgba(0,0,0,0.22);
  pointer-events:none;
  white-space:normal;
}

.tile:hover .tile-hover{
  display:block;
}
.info-box{
  background:#eef6ff;
  border-left:5px solid #1976d2;
  padding:12px;
  margin:15px 0;
  border-radius:6px;
}

.summary-box{
  background:#f5fff0;
  border-left:5px solid #2e7d32;
  padding:12px;
  margin:15px 0;
  border-radius:6px;
}

.g3-topic table{
  width:100%;
  border-collapse:collapse;
  margin:15px 0;
}

.g3-topic th,
.g3-topic td{
  border:1px solid #ccc;
  padding:8px;
  text-align:left;
}

.g3-topic th{
  background:#1e88e5;
  color:white;
}

.g3-topic h1{
  color:#0d47a1;
}

.g3-topic h2{
  color:#1565c0;
}

.g3-topic h3{
  color:#1976d2;
}
/* ========================================================= */
/* GOLD SYSTEM NAVIGATION – GRID I–VIII                      */
/* Update: 001                                               */
/* Date: 2026-06-14                                          */
/* ========================================================= */

.system-nav{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  align-items:center;
  justify-content:center;
  margin:0 0 18px 0;
  padding:12px;
  background:#0b61ff;
  border-radius:10px;
}

.system-nav a{
  display:inline-block;
  text-align:center;
  text-decoration:none;
  background:#ffffff;
  color:#0b61ff;
  font-weight:900;
  border-radius:7px;
  padding:8px 12px;
  font-size:14px;
  line-height:1.15;
  min-width:82px;
  border:1px solid #ffffff;
}

.system-nav a span{
  display:block;
  font-size:11px;
  font-weight:700;
  color:#444;
  margin-top:3px;
}

.system-nav a:hover{
  background:#003f99;
  color:#ffffff;
}

.system-nav a:hover span{
  color:#ffffff;
}

/* active grid */
.system-nav a.active{
  background:#063b73;
  color:#ffffff;
}

.system-nav a.active span{
  color:#ffffff;
}

/* directory tile red border */
.dir-tile{
  border:3px solid #d90000 !important;
}