/* Intermediate Batch 05 — I13–I15 */
.b5-scene-layout{display:grid;grid-template-columns:minmax(0,1.04fr) minmax(340px,.96fr);gap:16px;align-items:start}.b5-scene{position:relative;min-height:570px;border:1px solid #34515d;border-radius:22px;overflow:hidden}.b5-scene img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:brightness(.57) saturate(.86)}.b5-scene:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(4,12,17,.95),transparent 62%)}.b5-scene>div{position:absolute;z-index:2;left:18px;right:18px;bottom:18px;border:1px solid #405f6b;border-radius:16px;background:rgba(5,16,22,.94);padding:15px}.b5-scene span{display:block;color:#e1b574;font-size:9px;text-transform:uppercase;letter-spacing:.09em}.b5-scene strong{display:block;font:700 19px/1.3 Georgia,serif;margin-top:6px}.b5-stack{display:grid;gap:9px}.b5-choice,.b5-tile,.b5-seq button,.b5-builder button{border:1px solid #31505c;border-radius:14px;background:#0b1d26;color:#edf4f6;padding:12px;text-align:left;cursor:pointer}.b5-choice strong,.b5-choice small,.b5-tile strong,.b5-tile small,.b5-builder strong,.b5-builder small{display:block}.b5-choice strong,.b5-tile strong,.b5-builder strong{font:700 15px/1.35 Georgia,serif}.b5-choice small,.b5-tile small,.b5-builder small{color:#8299a3;font-size:9px;line-height:1.48;margin-top:5px}.b5-choice.selected,.b5-tile.selected,.b5-builder button.selected{border-color:#d89b58;background:rgba(216,155,88,.08)}
.defect-test{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.defect-test .b5-tile{min-height:156px}.defect-test .b5-tile b{display:inline-grid;place-items:center;width:26px;height:26px;border:1px solid #4b6671;border-radius:50%;color:#e4b978;margin-bottom:10px}.defect-test .b5-tile.ok{border-color:#3d725e}.defect-test .b5-tile.bad{border-color:#754841}.b5-seq{display:grid;gap:8px}.b5-seq button{display:grid;grid-template-columns:42px 1fr;gap:10px;align-items:center}.b5-seq button b{width:34px;height:34px;border:1px solid #4a626c;border-radius:50%;display:grid;place-items:center;color:#e3b777;font:700 15px Georgia,serif}.b5-seq button.done{opacity:.58}.b5-seq-result{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.b5-seq-result span{border:1px solid #395863;border-radius:999px;padding:7px 9px;color:#a4b6bd;font-size:9px}.remedy-matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.remedy-matrix .b5-choice{min-height:150px}.reception-board{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.reception-item{border:1px solid #31505c;border-radius:15px;background:#091a22;padding:13px}.reception-item>strong{display:block;font:700 15px/1.35 Georgia,serif}.reception-item>p{color:#8399a2;font-size:9px;line-height:1.5}.reception-item>div{display:flex;gap:7px;flex-wrap:wrap}.reception-item button{border:1px solid #31505c;border-radius:999px;background:#0b1d26;color:#e6eff2;padding:7px 9px;cursor:pointer;font-size:8px}.reception-item button.selected{border-color:#d89b58;background:rgba(216,155,88,.08)}.reception-status{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.reception-status .b5-choice{min-height:155px}.deadline-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.deadline-strip div{border:1px solid #31505c;border-radius:14px;background:#091a22;padding:13px}.deadline-strip span,.deadline-strip b{display:block}.deadline-strip span{font-size:8px;color:#8399a3;text-transform:uppercase;letter-spacing:.07em}.deadline-strip b{font:700 19px Georgia,serif;color:#e4b978;margin-top:5px}.window-diagram{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:16px;align-items:start}.distance-card{border:1px solid #31505c;border-radius:18px;background:#091a22;padding:18px;position:sticky;top:90px}.distance-card span{display:block;font-size:8px;color:#8399a3;text-transform:uppercase;letter-spacing:.08em}.distance-card b{display:block;font:700 34px Georgia,serif;color:#e4b978;margin-top:5px}.distance-card p{color:#8ea2ab;font-size:10px;line-height:1.55}.window-types{display:grid;grid-template-columns:1fr 1fr;gap:10px}.window-types .b5-choice{min-height:170px}.legal-split{display:grid;grid-template-columns:1fr 1fr;gap:10px}.legal-split>div{border:1px solid #31505c;border-radius:16px;background:#091a22;padding:15px}.legal-split span{display:block;color:#e1b574;font-size:8px;text-transform:uppercase;letter-spacing:.08em}.legal-split strong{display:block;font:700 17px/1.35 Georgia,serif;margin-top:6px}.legal-split p{color:#8299a3;font-size:9px;line-height:1.5}.b5-builder{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.b5-builder button{min-height:112px}
@media(max-width:1180px){.b5-scene-layout,.window-diagram{grid-template-columns:1fr}.b5-scene{min-height:520px}.distance-card{position:static}.defect-test,.remedy-matrix,.reception-status,.deadline-strip{grid-template-columns:1fr}.reception-board{grid-template-columns:1fr}}
@media(max-width:760px){.b5-builder,.window-types,.legal-split{grid-template-columns:1fr}.b5-scene{min-height:450px}.b5-seq button{grid-template-columns:34px 1fr}}