:root{--bg:#fff;--fg:#1a1a1a;--mut:#6b7280;--line:#e5e7eb;--card:#fff;--accent:#2563eb;--chip:#f3f4f6}
@media(prefers-color-scheme:dark){:root{--bg:#0f1115;--fg:#e6e6e6;--mut:#9aa0aa;--line:#2a2f3a;--card:#171a21;--accent:#5b9dff;--chip:#222733}}
*{box-sizing:border-box}html,body{height:100%}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--fg);line-height:1.5}
a{color:inherit}
body{padding-top:2.3rem}
#topbar{position:fixed;top:0;left:0;right:0;height:2.3rem;z-index:30;background:var(--bg);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:flex-end;padding:0 .7rem}
#logout{border:1px solid var(--line);background:var(--bg);color:var(--mut);border-radius:8px;padding:.18rem .6rem;font:inherit;font-size:.78rem;cursor:pointer}
#logout:hover{color:#fff;background:#e11;border-color:#e11}
header{position:sticky;top:2.3rem;z-index:10;background:var(--bg);border-bottom:1px solid var(--line);padding:.6rem 1rem;display:flex;gap:.6rem;align-items:center;flex-wrap:wrap}
header h1{font-size:1rem;margin:0;font-weight:650}header a.home{color:var(--mut);text-decoration:none;font-size:.85rem}
a.homebtn{display:inline-flex;align-items:center;gap:.3rem;font-size:.85rem;text-decoration:none;border:1px solid var(--line);border-radius:8px;padding:.32rem .7rem;color:var(--fg);background:var(--card);flex:none}
a.homebtn:hover{border-color:var(--accent);color:var(--accent)}
input,select,textarea{font:inherit;padding:.45rem .6rem;border:1px solid var(--line);border-radius:8px;background:var(--card);color:var(--fg)}
#q{flex:1;min-width:150px}#deck{max-width:42vw}.count{color:var(--mut);font-size:.8rem;white-space:nowrap}
.plus{width:2rem;height:2rem;border-radius:8px;border:1px solid var(--line);background:var(--accent);color:#fff;font-size:1.2rem;line-height:1;cursor:pointer;flex:none}
.grp{margin-left:auto;display:flex;gap:.3rem}
#add{margin-left:auto}
.srccard{color:var(--accent);cursor:pointer;text-decoration:underline;margin-right:.15rem}
.wrap{max-width:720px;margin:0 auto;padding:2rem 1.2rem}
.wrap .top{display:flex;align-items:center;gap:.6rem}.wrap h1{font-size:1.5rem;margin:0}
.sub{color:var(--mut);margin:.2rem 0 2rem}
.tile{position:relative;display:block;text-decoration:none;border:1px solid var(--line);border-radius:14px;background:var(--card);padding:1.1rem 3rem 1.1rem 1.2rem;margin:0 0 1rem}
.tile:hover{border-color:var(--accent)}.tile h2{margin:0 0 .25rem;font-size:1.05rem}.tile .m{color:var(--mut);font-size:.9rem;font-weight:400}
.tile.user{border-style:dashed;cursor:grab}
.tile.drop{border-color:var(--accent);background:var(--chip);border-style:solid}
.tiledel{position:absolute;top:.8rem;right:.8rem;border:1px solid var(--line);background:var(--bg);border-radius:7px;font-size:.95rem;line-height:1;padding:.3rem .45rem;cursor:pointer;color:#e11}
.tiledel:hover{background:#e11;color:#fff;border-color:#e11}
.hintbar{color:var(--mut);font-size:.8rem;margin:-1rem 0 1.4rem}
.split{display:flex;height:calc(100vh - 53px)}
.listcol{width:min(46%,520px);border-right:1px solid var(--line);overflow:auto;padding:.5rem}
.viewcol{flex:1;min-width:0;overflow:auto;padding:1rem 1.2rem}
.rowi{display:flex;align-items:center;gap:.5rem;width:100%;text-align:left;font:inherit;color:inherit;background:var(--card);border:1px solid var(--line);border-radius:8px;padding:.45rem .6rem;margin:0 0 .35rem;cursor:pointer}
.rowi:hover{border-color:var(--accent)}.rowi.on{border-color:var(--accent);background:var(--chip)}
.rowi .rmain{flex:1;min-width:0}
.rowdel{flex:none;border:1px solid var(--line);background:var(--bg);color:#e11;border-radius:6px;padding:.2rem .45rem;font-size:.9rem;line-height:1;cursor:pointer;opacity:.65}
.rowdel:hover{background:#e11;color:#fff;opacity:1}
.rowi .rt{font-size:.9rem}.rowi .rd{font-size:.66rem;color:var(--mut);margin-top:.1rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rowi .badge{font-size:.6rem;color:var(--accent);border:1px solid var(--accent);border-radius:4px;padding:0 .25rem;margin-left:.3rem}
.viewcol .hint{color:var(--mut);text-align:center;padding:3rem 1rem}
.cardv .ti{font-weight:650;font-size:1.05rem;margin:0 0 .2rem}.cardv .sub{color:var(--mut);font-size:.72rem;margin:0 0 1rem}
.fld{margin:0 0 1rem;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.fld .fn{background:var(--chip);padding:.3rem .6rem;font-size:.64rem;text-transform:uppercase;letter-spacing:.05em;color:var(--mut)}
.fld .fv{padding:.6rem;white-space:pre-wrap}.fld img{max-width:100%;height:auto;border-radius:5px;display:block;margin:.3rem 0}
.tag{display:inline-block;background:var(--chip);border-radius:999px;padding:.1rem .55rem;font-size:.72rem;margin:.15rem .25rem 0 0}
.io-wrap{position:relative;display:inline-block;max-width:100%}.io-wrap img{max-width:100%;height:auto;display:block;border-radius:6px}.io-wrap .ov{position:absolute;inset:0;width:100%;height:100%}
.io-btns{display:flex;gap:.4rem;margin:.5rem 0;flex-wrap:wrap}
.io-btns button{font:inherit;font-size:.78rem;padding:.3rem .7rem;border:1px solid var(--line);border-radius:7px;background:var(--card);color:var(--fg);cursor:pointer}
.io-btns button.on{background:var(--accent);color:#fff;border-color:var(--accent)}
@media(max-width:680px){.split{flex-direction:column;height:auto}.listcol{width:100%;border-right:0;border-bottom:1px solid var(--line);max-height:46vh}}
/* modal + editor */
.modal{position:fixed;inset:0;background:#0007;z-index:80;display:flex;align-items:flex-start;justify-content:center;padding:4vh 1rem;overflow:auto}
.modal .panel{width:min(560px,96vw);background:var(--bg);border:1px solid var(--line);border-radius:14px;padding:1.2rem}
.modal h3{margin:0 0 1rem;font-size:1.1rem}
.field{margin:0 0 .8rem}.field label{display:block;font-size:.72rem;color:var(--mut);margin:0 0 .25rem;text-transform:uppercase;letter-spacing:.04em}
.field input,.field textarea,.field select{width:100%}.field textarea{min-height:4.5rem;resize:vertical}
.edit{width:100%;min-height:2.6rem;max-height:40vh;overflow:auto;border:1px solid var(--line);border-radius:8px;padding:.5rem;background:var(--card);font:inherit;line-height:1.5}
.edit:focus{outline:2px solid var(--accent);outline-offset:-1px}
.edit img{max-width:100%;height:auto;border-radius:4px;display:block;margin:.3rem 0}
.dz{border:2px dashed var(--line);border-radius:10px;min-height:150px;display:flex;align-items:center;justify-content:center;text-align:center;padding:1.5rem;color:var(--mut);cursor:pointer;font-size:.95rem}
.dz.drag{border-color:var(--accent);background:var(--chip)}
.thumbs{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:.5rem}.thumbs img{width:84px;height:84px;object-fit:cover;border-radius:6px;border:1px solid var(--line)}
.delbtn{margin-top:1rem;font:inherit;padding:.45rem .8rem;border-radius:8px;border:1px solid #e11;background:transparent;color:#e11;cursor:pointer}
.delbtn:hover{background:#e11;color:#fff}
.actions{display:flex;gap:.5rem;justify-content:flex-end;margin-top:1rem}
.btn{font:inherit;padding:.5rem .9rem;border-radius:8px;border:1px solid var(--line);background:var(--card);color:var(--fg);cursor:pointer}
.btn.primary{background:var(--accent);color:#fff;border-color:var(--accent)}
#gate{position:fixed;inset:0;background:var(--bg);z-index:100;display:flex;align-items:center;justify-content:center}
#gate .box{width:min(360px,90vw);text-align:center}#gate h2{font-size:1.2rem;margin:0 0 1rem}
#gate input{width:100%;margin:0 0 .6rem;text-align:center}#gate button{width:100%;padding:.5rem;border:0;border-radius:8px;background:var(--accent);color:#fff;font:inherit;cursor:pointer}
#gate .err{color:#e11;font-size:.85rem;height:1.2em;margin-top:.5rem}
.plus.alt{background:#059669;border-color:#059669}
#askbtn{position:fixed;right:1rem;bottom:1rem;z-index:60;border:0;border-radius:999px;background:var(--accent);color:#fff;font:inherit;font-weight:600;padding:.6rem 1rem;box-shadow:0 4px 16px #0004;cursor:pointer}
#askpanel{position:fixed;right:1rem;bottom:4.2rem;z-index:60;width:min(400px,94vw);height:min(560px,72vh);display:none;flex-direction:column;background:var(--bg);border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:0 10px 40px #0005}
#askpanel.open{display:flex}
#askpanel .ah{padding:.6rem .8rem;border-bottom:1px solid var(--line);font-weight:650;display:flex;justify-content:space-between;align-items:center}
#askpanel .ah button{border:0;background:none;font-size:1.1rem;cursor:pointer;color:var(--mut)}
#askmsgs{flex:1;overflow:auto;padding:.8rem;display:flex;flex-direction:column;gap:.6rem}
.msg{max-width:85%;padding:.5rem .7rem;border-radius:10px;font-size:.9rem;white-space:pre-wrap;line-height:1.45}
.msg.you{align-self:flex-end;background:var(--accent);color:#fff}
.msg.ai{align-self:flex-start;background:var(--chip)}
.msg.src{align-self:flex-start;font-size:.7rem;color:var(--mut);background:none;padding:0 .2rem}
#askform{display:flex;gap:.4rem;padding:.6rem;border-top:1px solid var(--line)}
#askq{flex:1}#askform button{border:0;border-radius:8px;background:var(--accent);color:#fff;padding:0 .9rem;cursor:pointer}
#askpanel .ah span{display:flex;gap:.4rem;align-items:center}
@media(max-width:680px){#askpanel{left:.5rem;right:.5rem;width:auto;height:82vh;bottom:.6rem}#askbtn{bottom:.6rem}}
.imgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:.6rem;padding:.5rem}
.imgcell{margin:0;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:var(--card)}
.imgcell img{width:100%;height:150px;object-fit:contain;background:#fff;display:block;cursor:zoom-in}
.simbtn{width:100%;border:0;border-top:1px solid var(--line);background:var(--card);color:var(--accent);font:inherit;font-size:.72rem;padding:.25rem;cursor:pointer}
.simbtn:hover{background:var(--accent);color:#fff}
.imgcardlinks{display:flex;flex-direction:column;padding:.25rem .4rem;border-top:1px solid var(--line);gap:.1rem}
.imgcardlinks a{font-size:.68rem;color:var(--accent);text-decoration:none;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.imgcardlinks a:hover{text-decoration:underline}
.simlink{display:inline-block;font-size:.72rem;color:var(--accent);text-decoration:none;margin:.15rem 0 .4rem;border:1px solid var(--line);border-radius:6px;padding:.14rem .55rem}
.simlink:hover{background:var(--accent);color:#fff;border-color:var(--accent)}