:root{--navy:#0f2a43;--navy-2:#173a5a;--sea:#1f5f7a;--sand:#f6f1e6;--canvas:#fbf8f1;--brass:#c9a14a;--brass-2:#e8c98a;--ink:#1c2530;--muted:#5d6b78;--line:#e2dccd;--radius:14px;--shadow:0 10px 30px #0a192840;--top:60px;color:var(--ink);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Noto Sans,Ubuntu,Cantarell,Helvetica Neue,sans-serif}*{box-sizing:border-box}html,body{background:var(--navy);overscroll-behavior:none;height:100%;margin:0}button{font:inherit;cursor:pointer}.topbar{height:var(--top);z-index:20;padding:0 16px;padding-top:env(safe-area-inset-top);background:linear-gradient(180deg, #0c2236, var(--navy));color:var(--sand);border-bottom:2px solid var(--brass);align-items:center;gap:18px;display:flex;position:fixed;top:0;bottom:auto;left:0;right:0}.brand{color:inherit;flex-shrink:0;align-items:center;gap:10px;text-decoration:none;display:flex}.brand-mark{width:36px;height:36px;color:var(--brass-2)}.brand-text{flex-direction:column;line-height:1.05;display:flex}.brand-name{letter-spacing:.5px;font-family:Georgia,Times New Roman,serif;font-size:21px}.brand-sub{text-transform:uppercase;letter-spacing:2px;color:var(--brass-2);font-size:12px}.brand-sub em{text-transform:none;letter-spacing:0;color:#9fb3c6;margin-left:6px;font-size:11px;font-style:normal}.tabs{scrollbar-width:none;gap:4px;margin-left:auto;display:flex;overflow-x:auto}.tabs::-webkit-scrollbar{display:none}.tabs a{color:#c9d6e2;white-space:nowrap;border-radius:999px;padding:8px 12px;font-size:14px;text-decoration:none}.tabs a:hover{background:#ffffff14}.tabs a.active{background:var(--brass);color:var(--navy);font-weight:600}main{inset:var(--top) 0 0 0;position:fixed}.tab{position:absolute;top:0;bottom:0;left:0;right:0}.tab[hidden]{display:none}#viewport{touch-action:none;position:absolute;top:0;bottom:0;left:0;right:0}#viewport canvas{display:block}#labels-layer{pointer-events:none;z-index:1;position:absolute;top:0;bottom:0;left:0;right:0;overflow:hidden}.ship-label{pointer-events:auto;cursor:pointer;color:var(--navy);white-space:nowrap;transform-origin:50%;background:#fbf8f1db;border:1px solid #0f2a4340;border-radius:999px;padding:2px 7px;font-size:11.5px;font-weight:600;transition:background .15s,transform .15s;box-shadow:0 2px 6px #00000026}.ship-label.spar{color:var(--sand);background:#0f2a43d1;border-color:#0000;font-weight:500}.ship-label:hover,.ship-label.selected{background:var(--brass);color:var(--navy)}body.labels-off .ship-label:not(.selected){display:none}#toolbar{z-index:5;flex-wrap:wrap;justify-content:flex-end;gap:8px;display:flex;position:absolute;top:14px;right:14px}.tool{color:var(--navy);background:#fbf8f1f0;border:0;border-radius:999px;padding:9px 13px;font-size:14px;font-weight:600;box-shadow:0 3px 10px #0000002e}.tool:hover{background:#fff}.tool[aria-pressed=true]{background:var(--navy);color:var(--sand)}#btn-parts{display:none}#hint{color:var(--sand);pointer-events:none;white-space:nowrap;background:#0f2a43b8;border-radius:999px;padding:7px 14px;font-size:13px;transition:opacity .6s;position:absolute;bottom:16px;left:50%;transform:translate(-50%)}#hint.gone{opacity:0}#parts-panel{z-index:6;border-radius:var(--radius);width:280px;box-shadow:var(--shadow);background:#fbf8f1f5;flex-direction:column;display:flex;position:absolute;top:14px;bottom:14px;left:14px;overflow:hidden}.panel-head{border-bottom:1px solid var(--line);gap:6px;padding:12px;display:flex}#parts-search{border:1px solid var(--line);background:#fff;border-radius:10px;flex:1;padding:9px 11px;font-size:14px}#parts-close{display:none}#parts-list{padding:6px 8px 14px;overflow-y:auto}.group-title{text-transform:uppercase;letter-spacing:1.6px;color:var(--muted);margin:14px 8px 6px;font-size:11px;font-weight:700}.part-item{text-align:left;width:100%;color:var(--ink);background:0 0;border:0;border-radius:9px;justify-content:space-between;align-items:baseline;gap:8px;padding:7px 9px;font-size:14px;display:flex}.part-item small{color:var(--muted);white-space:nowrap;text-overflow:ellipsis;max-width:45%;font-size:11.5px;overflow:hidden}.part-item:hover{background:#efe8d8}.part-item.active{background:var(--navy);color:var(--sand)}.part-item.active small{color:var(--brass-2)}.empty{color:var(--muted);padding:16px;font-size:14px}.icon-btn{color:var(--muted);background:0 0;border:0;border-radius:8px;padding:4px 8px;font-size:18px}.icon-btn:hover{background:#0000000f}.card{z-index:7;background:var(--canvas);border-radius:var(--radius);width:min(400px,100% - 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