.gdt-ba-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 64px; border-top: 1px solid var(--ink); padding-top: 32px; align-items: start; }
.gdt-ba-slider { position: relative; height: 640px; overflow: hidden; border: 1px solid var(--line-2); user-select: none; cursor: ew-resize; background: #0c1a14; }
.gdt-ba-img { position: absolute; inset: 0; background-size: cover; background-position: center center; }
.gdt-ba-before { background-color: #1a130d; }
.gdt-ba-before::after { content: "Before"; position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; font-family: var(--serif); font-style: italic; font-size: 24px; color: rgba(245,242,234,.35); }
.gdt-ba-after { background-color: var(--forest); clip-path: inset(0 0 0 50%); }
.gdt-ba-after::after { content: "After"; position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; font-family: var(--serif); font-style: italic; font-size: 24px; color: rgba(245,242,234,.35); }
.gdt-ba-handle { position: absolute; top: 0; bottom: 0; left: 50%; width: 2px; background: var(--paper); pointer-events: none; box-shadow: 0 0 12px rgba(0,0,0,.35); }
.gdt-ba-knob { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 48px; height: 48px; border-radius: 50%; background: var(--paper); color: var(--forest); display: flex; align-items: center; justify-content: center; font-size: 18px; box-shadow: 0 6px 20px rgba(0,0,0,.2); pointer-events: none; }
.gdt-ba-knob::before { content: "⇆"; }
.gdt-ba-labels { position: absolute; top: 14px; left: 14px; right: 14px; display: flex; justify-content: space-between; pointer-events: none; }
.gdt-ba-labels span { font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; padding: 5px 10px; background: rgba(12,26,20,.7); color: var(--paper); border-radius: 2px; }
.gdt-ba-thumbs { margin-top: 12px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.gdt-ba-thumb {
  aspect-ratio: 4/3;
  cursor: pointer;
  background-color: var(--ink);
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  border: 2px solid transparent;
  transition: border-color .2s;
  display: flex; align-items: flex-end;
  padding: 8px; overflow: hidden; position: relative;
}
.gdt-ba-thumb.active { border-color: var(--paper); }
.gdt-ba-thumb::before { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(12,26,20,.8) 0%, transparent 60%); }
.gdt-ba-thumb span { position: relative; font-family: var(--mono); font-size: 9px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--paper); }
.gdt-ba-case-k { font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--forest); margin-bottom: 16px; display: flex; align-items: center; gap: 8px; }
.gdt-ba-case-t { font-family: var(--serif); font-size: 36px; font-weight: 400; letter-spacing: -0.015em; line-height: 1.1; margin-bottom: 16px; }
.gdt-ba-case-d { font-size: 15px; color: var(--ink-2); line-height: 1.65; margin-bottom: 24px; max-width: 50ch; }
.gdt-ba-specs { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); }
.gdt-ba-specs > div { padding: 16px 16px 16px 0; border-bottom: 1px solid var(--line); }
.gdt-ba-specs > div:nth-child(even) { padding-left: 16px; border-left: 1px solid var(--line); }
.gdt-ba-spec-k { font-family: var(--mono); font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); margin-bottom: 4px; }
.gdt-ba-spec-v { font-family: var(--serif); font-size: 18px; letter-spacing: -0.005em; }
@media (max-width: 1100px) { .gdt-ba-grid { grid-template-columns: 1fr; gap: 32px; } .gdt-ba-thumbs { grid-template-columns: repeat(2, 1fr); } .gdt-ba-slider { height: 480px; } }
@media (max-width: 640px) { .gdt-ba-slider { height: 360px; } }