/* ==========================================================================
   1. Global Styles & Layout
   ========================================================================== */
body {
  font-family:
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    sans-serif;
  margin: 40px;
  background: #0f111a;
  color: #e2e8f0;
}

.controls {
  margin-bottom: 24px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 24px;
}

/* ==========================================================================
   2. Components: Cards & Media
   ========================================================================== */
.card {
  background: #1e2235;
  padding: 20px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.24);
  text-align: center;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    border-color 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
  border-color: rgba(99, 102, 241, 0.4);
}

model-viewer {
  display: block;
  /* Ensures proper layout behavior as a custom element */
  width: 100%;
  height: 200px;
  background-color: #151824;
  border-radius: 8px;
}

.card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 16px;
  color: #94a3b8;
  font-size: 14px;
}

.model-label {
  display: flex;
  align-items: center;
  width: 100%;
  gap: 6px;
}

.model-author {
  margin-left: auto;
  font-size: 0.85em;
  white-space: nowrap;
}

/* ==========================================================================
   3. Components: Collapse
   ========================================================================== */
.collapse {
  margin-bottom: 24px;
  background: #1e2235;
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.24);
  overflow: hidden;
}

.collapse-toggle {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: 16px 20px;
  background: transparent;
  border: none;
  color: #e2e8f0;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s linear;
}

.collapse-toggle:hover {
  background: rgba(255, 255, 255, 0.03);
}

.collapse-toggle .chevron {
  color: #94a3b8;
  font-size: 18px;
  line-height: 1;
  transition: transform 0.25s ease-in-out;
}

.collapse.open .chevron {
  transform: rotate(180deg);
}

.collapse-body {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.15s linear;
  padding: 0 20px;
  color: #94a3b8;
  font-size: 14px;
  line-height: 1.6;
}

.collapse.open .collapse-body {
  grid-template-rows: 1fr;
}

.collapse-body-inner {
  overflow: hidden;
  padding-bottom: 0;
  transition: padding-bottom 0.15s linear;
}

.collapse.open .collapse-body-inner {
  padding-bottom: 18px;
}

/* ==========================================================================
   4. Buttons & Links (Interactive)
   ========================================================================== */
button {
  padding: 10px 20px;
  background: #6366f1;
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition:
    background 0.15s ease-out,
    box-shadow 0.15s ease-out;
}

/* Fixed class connection: Assuming your main buttons use this class */
.glow-button:hover {
  background: #4f46e5;
  box-shadow: 0 0 12px rgba(99, 102, 241, 0.4);
}

a {
  color: #6366f1;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.15s ease;
}

a:hover {
  color: #818cf8;
  text-decoration: underline;
}

/* Contextual Link Overrides */
.card-meta a,
.model-author a {
  color: #94a3b8;
}

.card-meta a:hover,
.model-author a:hover {
  color: #6366f1;
  text-decoration: none;
}