:root{
  --bg:#f6f7f9; --panel:#fff; --line:#e4e7ec; --line2:#eef1f4;
  --text:#1a2027; --muted:#69707d; --accent:#5b4cf5;
  --editbg:#fbfbff; --calcbg:#f4f6f8;
  --pos:#0a7d33; --neg:#c02626; --posbg:#e9f7ee; --negbg:#fcecec;
  --fbo:#eaf0ff; --fbs:#eafaf1;
}
*{box-sizing:border-box}
body{margin:0;font:13px/1.4 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;color:var(--text);background:var(--bg)}
button{font:inherit}

/* ---- Логин ---- */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#eef1fb,#f6f7f9)}
.login-card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:28px;width:320px;box-shadow:0 10px 40px rgba(30,30,60,.08)}
.login-card h1{font-size:17px;margin:0 0 4px}
.login-card p{margin:0 0 18px;color:var(--muted);font-size:12px}
.login-card label{display:block;font-size:12px;color:var(--muted);margin:12px 0 4px}
.login-card input{width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:9px;font:inherit}
.login-card input:focus{outline:0;border-color:var(--accent)}
.login-card button{width:100%;margin-top:18px;padding:10px;border:0;border-radius:9px;background:var(--accent);color:#fff;font-weight:600;cursor:pointer}
.login-err{color:var(--neg);font-size:12px;margin-top:10px;min-height:16px}

/* ---- Шапка ---- */
header{position:sticky;top:0;z-index:6;background:var(--panel);border-bottom:1px solid var(--line);padding:9px 14px;display:flex;gap:12px;align-items:center;flex-wrap:wrap}
h1.brand{font-size:15px;margin:0 6px 0 0;font-weight:650}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.seg button{border:0;background:var(--panel);padding:6px 13px;cursor:pointer;color:var(--muted)}
.seg button+button{border-left:1px solid var(--line)}
.seg button.on{background:var(--accent);color:#fff;font-weight:600}
input[type=search],select{font:inherit;padding:6px 9px;border:1px solid var(--line);border-radius:8px;background:var(--panel);color:var(--text)}
input[type=search]{min-width:210px}
.spacer{flex:1}
.btn{border:1px solid var(--line);background:var(--panel);padding:6px 12px;border-radius:8px;cursor:pointer;font-weight:600;color:var(--text)}
.btn:hover{border-color:var(--accent)}
.btn.primary{background:var(--accent);color:#fff;border-color:var(--accent)}
.who{font-size:12px;color:var(--muted)}
.who b{color:var(--text)}
.badge{font-size:10px;background:#efeaff;color:#5b4cf5;padding:1px 6px;border-radius:10px;margin-left:4px;text-transform:uppercase;letter-spacing:.03em}
.count{color:var(--muted);font-size:12px}
.saveflash{font-size:12px;color:var(--pos);opacity:0;transition:opacity .2s}
.saveflash.show{opacity:1}

/* ---- Таблица ---- */
.wrap{overflow:auto;max-height:calc(100vh - 50px)}
table{border-collapse:separate;border-spacing:0;white-space:nowrap}
th,td{padding:4px 8px;border-bottom:1px solid var(--line2);border-right:1px solid var(--line2);text-align:right}
thead th{position:sticky;background:#fff;font-weight:600;color:var(--muted);font-size:11px}
thead tr.grp th{top:0;z-index:5;text-align:center;font-size:11px;letter-spacing:.04em;text-transform:uppercase;background:#fff}
thead tr.cols th{top:24px;z-index:3;border-bottom:1px solid var(--line)}
.grp .gfbo{background:var(--fbo)} .grp .gfbs{background:var(--fbs)}
td.txt,th.txt{text-align:left}
.c-name{position:sticky;left:0;z-index:2;background:#fff;min-width:220px;max-width:220px;white-space:normal;font-weight:550}
thead .c-name{z-index:5}
.c-art{position:sticky;left:220px;z-index:2;background:#fff;color:var(--muted);min-width:74px}
thead .c-art{z-index:5}
tbody tr:hover td{background:#fbfcfe}
tbody tr:hover .c-name,tbody tr:hover .c-art{background:#fbfcfe}
td.calc{background:var(--calcbg);color:#33404d}
td.edit{background:var(--editbg)}
td.edit input{width:68px;border:1px solid transparent;background:transparent;font:inherit;text-align:right;padding:2px 3px;border-radius:5px;color:var(--text)}
td.edit input:hover{border-color:var(--line)}
td.edit input:focus{outline:0;border-color:var(--accent);background:#fff}
td.net{font-weight:700}
.pos{color:var(--pos)} .neg{color:var(--neg)}
td.net.pos{background:var(--posbg)} td.net.neg{background:var(--negbg)}
.cat{display:inline-block;padding:1px 7px;border-radius:20px;background:#eef1f4;color:#55606e;font-size:11px}
.miss{color:#c2c8d0;text-align:left;padding-left:12px}
.btn-add{border:1px dashed #c3c9d4;background:#fff;color:#5b4cf5;padding:3px 12px;border-radius:7px;cursor:pointer;font-weight:600;font-size:12px}
.btn-add:hover{border-color:var(--accent);background:#f6f4ff}
.btn-add:disabled{opacity:.5;cursor:default}

/* ---- Модалки ---- */
.modal-bg{position:fixed;inset:0;background:rgba(20,22,34,.4);display:flex;align-items:center;justify-content:center;z-index:20}
.modal{background:#fff;border-radius:14px;padding:20px;min-width:420px;max-width:90vw;max-height:85vh;overflow:auto;box-shadow:0 20px 60px rgba(0,0,0,.2)}
.modal h2{margin:0 0 14px;font-size:16px}
.modal .close{float:right;border:0;background:transparent;font-size:20px;cursor:pointer;color:var(--muted)}
.modal table{white-space:normal;width:100%}
.modal th,.modal td{text-align:left;font-size:12px;padding:5px 8px}
.modal input,.modal select{padding:6px 8px;border:1px solid var(--line);border-radius:7px;font:inherit}
.row{display:flex;gap:8px;align-items:center;margin:8px 0;flex-wrap:wrap}
.msg{font-size:12px;margin-top:8px;min-height:16px}
.msg.ok{color:var(--pos)} .msg.err{color:var(--neg)}
.log-tbl td{vertical-align:top}
.log-tbl .ts{color:var(--muted);white-space:nowrap}
.log-tbl .u{font-weight:600;white-space:nowrap}
.tag{display:inline-block;font-size:10px;padding:1px 6px;border-radius:9px;background:#eef1f4;color:#55606e}
.tag.edit{background:#e9f7ee;color:#0a7d33}
.tag.login{background:#eef1fb;color:#5b4cf5}
.tag.filter{background:#fff3e0;color:#b26a00}
.tag.export{background:#e8f2ff;color:#1667c8}
.tag.login_fail{background:#fcecec;color:#c02626}
.tag.bulk{background:#efeaff;color:#5b4cf5}

/* клик по названию = формула */
.c-name[data-formula]{cursor:pointer}
.c-name[data-formula]:hover{color:var(--accent);text-decoration:underline dotted}

/* модалка пошире */
.modal.wide{min-width:640px}
.muted{color:var(--muted)}

/* формула товара */
.fblock{margin-bottom:16px}
.fhead{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.05em;padding:2px 10px;border-radius:6px;margin-bottom:6px}
.fhead.fbo{background:var(--fbo);color:#274bc0} .fhead.fbs{background:var(--fbs);color:#0a7d33}
.ftbl{width:100%;border-collapse:collapse}
.ftbl td{padding:3px 8px;border-bottom:1px solid var(--line2);font-size:12px;vertical-align:top}
.ftbl .fn{white-space:nowrap;color:#33404d}
.ftbl .fe{color:var(--muted);font-size:11px}
.ftbl .fv{text-align:right;white-space:nowrap;font-variant-numeric:tabular-nums;font-weight:600}
.ftbl .fv.pos{color:var(--pos)} .ftbl .fv.neg{color:var(--neg)}

/* конфиг столбцов */
.colcfg{display:flex;gap:24px}
.colcfg h3{font-size:12px;color:var(--muted);margin:8px 0 6px;text-transform:uppercase;letter-spacing:.03em}
.sortl{list-style:none;margin:0;padding:0;min-width:220px}
.sortl li{display:flex;align-items:center;gap:8px;padding:5px 8px;border:1px solid var(--line);border-radius:8px;margin-bottom:5px;background:#fff;cursor:grab}
.sortl li.drag-on{opacity:.5;border-style:dashed}
.sortl .drag{color:#c2c8d0;cursor:grab;user-select:none}
.sortl label{display:flex;align-items:center;gap:6px;cursor:pointer;font-size:13px}

/* массовые */
.bsect{border:1px solid var(--line);border-radius:10px;padding:10px 12px;margin:10px 0}
.bsect .chk{display:flex;align-items:center;gap:6px;font-size:13px;margin-bottom:6px}
.chk b{font-weight:650}