.sheet-overlay{position:fixed;inset:0;background:rgba(15,22,35,.45);z-index:100;opacity:0;pointer-events:none;transition:opacity .22s ease;}
.sheet-overlay.open{opacity:1;pointer-events:auto;}
.sheet{position:fixed;left:50%;bottom:0;width:100%;max-width:480px;max-height:92vh;background:var(--paper);border-radius:20px 20px 0 0;transform:translate(-50%,100%);transition:transform .28s cubic-bezier(.2,.8,.3,1);z-index:101;display:flex;flex-direction:column;overflow:hidden;box-shadow:0 -8px 30px rgba(0,0,0,.25);}
.sheet.open{transform:translate(-50%,0);}
@media(min-width:520px){.sheet{border-radius:20px 20px 12px 12px;}}
.sheet-handle{width:38px;height:4px;background:#D8D4C8;border-radius:3px;margin:9px auto 4px;flex-shrink:0;}
.sheet-head{background:var(--navy-2);padding:8px 16px 16px;flex-shrink:0;position:relative;}
.sheet-close{position:absolute;top:8px;right:14px;color:rgba(255,255,255,.7);padding:6px;}
.sheet-photo-row{display:flex;gap:12px;align-items:flex-start;margin-top:6px;}
.photo-box-wrap{position:relative;flex-shrink:0;}
.photo-box{width:78px;height:78px;border-radius:14px;background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;overflow:hidden;border:1px dashed rgba(255,255,255,.3);color:rgba(255,255,255,.5);position:relative;}
.photo-box img{width:100%;height:100%;object-fit:cover;}
.photo-box .cam-label{font-size:9px;margin-top:3px;letter-spacing:.5px;}
.photo-add-btn{position:absolute;top:-7px;right:-7px;width:24px;height:24px;border-radius:50%;background:rgba(255,255,255,.10);border:1.5px dashed rgba(255,255,255,.35);display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.45);font-size:15px;font-weight:400;line-height:1;cursor:pointer;z-index:5;transition:background .18s,color .18s,border-color .18s;}
.photo-add-btn:hover,.photo-add-btn:active{background:rgba(255,255,255,.22);color:rgba(255,255,255,.85);border-color:rgba(255,255,255,.65);}
.sheet-titles{flex:1;min-width:0;padding-top:2px;}
.sheet-code{font-family:var(--mono);font-size:12px;color:var(--gold);margin-bottom:4px;}
.sheet-desc{font-size:15.5px;font-weight:650;color:#fff;line-height:1.3;}
.sheet-part{font-size:12px;color:rgba(255,255,255,.55);margin-top:5px;}
.photo-thumbs-row{display:flex;gap:7px;margin-top:10px;overflow-x:auto;padding-bottom:2px;-webkit-overflow-scrolling:touch;}
.photo-thumb-item{position:relative;flex-shrink:0;width:46px;height:46px;border-radius:9px;overflow:hidden;border:1.5px solid rgba(255,255,255,.25);cursor:pointer;}
.photo-thumb-item img{width:100%;height:100%;object-fit:cover;}
.photo-thumb-item.active{border-color:var(--gold);}

.sheet-scroll{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;padding:16px 16px calc(env(safe-area-inset-bottom)+24px) 16px;}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:10px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:10px;}
.field-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 12px;}
.field-label{font-size:10.5px;text-transform:uppercase;letter-spacing:.8px;color:var(--ink-soft);font-weight:700;margin-bottom:5px;}
.field-input{width:100%;border:none;outline:none;font-size:15px;font-weight:700;color:var(--ink);font-family:var(--mono);background:transparent;padding:0;}
.field-card.editable{border-color:var(--gold-dim);}
.save-row{display:flex;gap:10px;margin-top:6px;}
.btn{flex:1;padding:13px;border-radius:12px;text-align:center;font-weight:700;font-size:14.5px;border:none;}
.btn-primary{background:var(--navy);color:#fff;}
.btn-secondary{background:#fff;border:1px solid var(--line);color:var(--ink);}