/* ===============================
 *   COMPLETE LAYOUT SYSTEM
 *   Changes ENTIRE page structure
 *   =============================== */

/* === CLASSIC LAYOUT (Default - Sidebar + Grid) === */
[data-layout="grid"] body {
  /* Default layout, no changes */
}

[data-layout="compact"] .doc-panel,
[data-layout="compact"] .gpt-panel {
  display: none !important;
}

[data-layout="compact"] .index-layout {
  display: block;
  max-width: 1400px;
  margin: 0 auto;
}

[data-layout="compact"] .menu-panel {
  width: 100%;
}

[data-layout="compact"] .core4-panel {
  margin-bottom: 20px;
}

[data-layout="compact"] .grid {
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 10px;
}

[data-layout="compact"] #menuGrid a {
  padding: 11px 12px;
  min-height: 60px;
  font-size: 0.92em;
  border-radius: 12px;
}

/* === TERMINAL LAYOUT (Pure list, no sidebars) === */
[data-layout="list"] .doc-panel,
[data-layout="list"] .gpt-panel {
  display: none !important;
}

[data-layout="list"] .index-layout {
  display: block;
  max-width: 900px;
  margin: 0 auto;
}

[data-layout="list"] .core4-panel {
  margin-bottom: 20px;
}

[data-layout="list"] .grid {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

[data-layout="list"] #menuGrid a {
  padding: 14px 18px;
  min-height: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-radius: 8px;
  border-width: 1px;
}

[data-layout="list"] #menuGrid a .menu-card-arrow {
  opacity: 0.75;
  font-size: 1.1em;
  margin-left: 12px;
}

[data-layout="list"] #menuGrid a:hover .menu-card-arrow {
  transform: translateX(6px);
  opacity: 1;
}

/* === DASHBOARD LAYOUT (Wide cards, no sidebars) === */
[data-layout="wide"] .doc-panel,
[data-layout="wide"] .gpt-panel {
  display: none !important;
}

[data-layout="wide"] .index-layout {
  display: block;
  max-width: 1200px;
  margin: 0 auto;
}

[data-layout="wide"] .core4-panel {
  margin-bottom: 24px;
}

[data-layout="wide"] .grid {
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

[data-layout="wide"] #menuGrid a {
  padding: 24px 20px;
  min-height: 100px;
  font-size: 1.12em;
  border-radius: 16px;
}

/* === MINIMAL LAYOUT (Text only, ultra clean) === */
[data-layout="minimal"] .doc-panel,
[data-layout="minimal"] .gpt-panel,
[data-layout="minimal"] .core4-panel {
  display: none !important;
}

[data-layout="minimal"] body {
  padding: 80px 40px;
}

[data-layout="minimal"] .index-layout {
  display: block;
  max-width: 700px;
  margin: 0 auto;
}

[data-layout="minimal"] .grid {
  display: flex;
  flex-direction: column;
  gap: 0;
}

[data-layout="minimal"] #menuGrid a {
  padding: 16px 20px;
  min-height: auto;
  border: none;
  border-left: 2px solid var(--border-primary);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  font-size: 1.2em;
  transition: all 0.2s ease;
}

[data-layout="minimal"] #menuGrid a:hover {
  background: var(--bg-secondary);
  border-left-width: 4px;
  border-left-color: var(--text-accent);
  padding-left: 28px;
}

/* === FOCUS LAYOUT (Only Core4 + 3 main cards) === */
[data-layout="masonry"] .doc-panel,
[data-layout="masonry"] .gpt-panel {
  display: none !important;
}

[data-layout="masonry"] .index-layout {
  display: block;
  max-width: 1000px;
  margin: 0 auto;
}

[data-layout="masonry"] .grid {
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

[data-layout="masonry"] #menuGrid a:nth-child(n+4) {
  display: none; /* Hide everything after first 3 */
}

[data-layout="masonry"] #menuGrid a {
  padding: 28px 20px;
  min-height: 140px;
  font-size: 1.25em;
  border-radius: 20px;
}

/* === ZEN LAYOUT (Just menu, nothing else) === */
[data-layout="cards"] .doc-panel,
[data-layout="cards"] .gpt-panel,
[data-layout="cards"] .core4-panel {
  display: none !important;
}

[data-layout="cards"] body {
  padding: 60px 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

[data-layout="cards"] .index-layout {
  display: block;
  width: 100%;
  max-width: 1100px;
}

[data-layout="cards"] .grid {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

[data-layout="cards"] #menuGrid a {
  padding: 22px 18px;
  min-height: 110px;
  border-radius: 18px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

/* === Mobile Responsiveness === */
@media (max-width: 768px) {
  [data-layout="wide"] .grid,
  [data-layout="masonry"] .grid {
    grid-template-columns: 1fr;
  }

  [data-layout="masonry"] #menuGrid a:nth-child(n+4) {
    display: block;
  }
}