:root{
  --pupi:#27B9DF; --pupi-d:#1b93b3; --pupi-l:#eaf7fc;
  --line:#e3e7eb; --line2:#eef1f4; --head:#f6f8fa; --sel:#d5eff9; --selbd:#27B9DF;
  --group:#eaf7fc; --txt:#22303a; --muted:#8a97a0; --bg:#f2f5f7;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%;font-family:-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--txt);font-size:13px}
body{overflow:hidden;background:var(--bg)}
.shell{display:flex;height:100vh}

/* ============ SIDEBAR ============ */
.sidebar{flex:0 0 210px;background:#fff;border-right:1px solid var(--line);display:flex;flex-direction:column;padding:12px 10px}
.side-brand{font-weight:800;font-size:16px;color:var(--pupi-d);padding:8px 8px 14px;display:flex;align-items:center;gap:6px}
.side-nav{display:flex;flex-direction:column;gap:3px}
.nav-item{display:flex;align-items:center;gap:10px;border:0;background:transparent;text-align:left;padding:9px 12px;border-radius:9px;cursor:pointer;font-size:13.5px;color:#48555e;font-weight:500}
.nav-item .ic{font-size:15px;width:18px;text-align:center}
.nav-item:hover{background:var(--line2)}
.nav-item.active{background:var(--pupi);color:#fff;font-weight:600}
.side-foot{margin-top:auto;color:var(--muted);font-size:11px;padding:8px}

/* ============ MAIN ============ */
.main{flex:1;display:flex;flex-direction:column;min-width:0;min-height:0}
.topbar{display:flex;align-items:center;gap:14px;padding:12px 18px;flex:0 0 auto}
.topbar h1{margin:0;font-size:19px;font-weight:700}
.spacer{flex:1}
.status{font-size:12px;color:var(--pupi-d);min-width:60px;text-align:right;font-weight:600}
.section{flex:1;display:flex;flex-direction:column;min-height:0;background:#fff;margin:0 14px 14px;border-radius:14px;border:1px solid var(--line);overflow:hidden}

.toolbar{display:flex;align-items:center;gap:8px;padding:10px 12px;border-bottom:1px solid var(--line);flex:0 0 auto;flex-wrap:wrap}
.seg{display:flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.seg-btn{border:0;background:#fff;padding:6px 13px;cursor:pointer;font-size:13px}
.seg-btn.active{background:var(--pupi);color:#fff;font-weight:600}
.search{flex:0 0 260px;max-width:40vw;padding:7px 11px;border:1px solid var(--line);border-radius:8px;font-size:13px}
.btn{border:1px solid var(--line);background:#fff;padding:6px 12px;border-radius:8px;cursor:pointer;font-size:13px}
.btn:hover{background:var(--line2)}
.btn.primary{background:var(--pupi);color:#fff;border-color:var(--pupi)}
.btn.primary:hover{background:var(--pupi-d)}
.btn.danger{color:#c0392b;border-color:#e5b3ad}
.btn.danger:hover{background:#fdecea}
.hint{padding:6px 12px;color:var(--muted);font-size:11.5px;border-bottom:1px solid var(--line2);flex:0 0 auto}

/* ============ GRID ============ */
.grid-wrap{flex:1;overflow:auto;position:relative;min-height:0}
.grid{border-collapse:separate;border-spacing:0;table-layout:fixed;font-size:12.5px}
.grid th,.grid td{border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:0;height:30px;background:#fff;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.grid thead th{position:sticky;top:0;z-index:5;background:var(--head);font-weight:600;color:#37464f;user-select:none}
.grid thead th .th-in{display:flex;align-items:center;gap:4px;padding:0 8px;height:100%;cursor:pointer}
.grid thead th .th-lbl{flex:1;overflow:hidden;text-overflow:ellipsis}
.grid thead th .sort{font-size:10px;color:var(--pupi)}
.grid .resize{position:absolute;right:-3px;top:0;width:7px;height:100%;cursor:col-resize;z-index:6}
.grid td .cell{padding:3px 8px;height:100%;line-height:24px;overflow:hidden;text-overflow:ellipsis}
.grid td.num .cell{text-align:right}
.grid td.readonly{background:#fafbfc;color:#55636b}

.grid .gut{position:sticky;left:0;z-index:7;width:54px;min-width:54px;max-width:54px;background:var(--head);text-align:center;color:var(--muted);cursor:pointer}
.grid td.gut{white-space:nowrap}
.grid td.gut input{vertical-align:middle;margin:0 4px 0 2px}
.grid td.gut .rownum{font-size:11px}
.grid thead th.gut{z-index:8}
.grid tr.rowsel .gut{background:var(--sel)}
.grid tr.rowpick td{background:#eef9fd}

.grid .frozen{position:sticky;z-index:6}
.grid thead th.frozen{z-index:8}
.grid .frozen.freeze-edge{border-right:2px solid var(--pupi)}

.grid td.sel{background:var(--sel)}
.grid td.active{outline:2px solid var(--selbd);outline-offset:-2px;z-index:3;position:relative}
.grid td.frozen.active,.grid td.frozen.sel{z-index:7}

.grid td .edit{display:block;box-sizing:border-box;width:100%;height:30px;margin:0;border:0;padding:3px 8px;font:inherit;line-height:24px;outline:2px solid var(--pupi);outline-offset:-2px;background:#fff;vertical-align:top}
.grid td.num .edit{text-align:right}

/* ảnh trong ô */
.grid td.imgcell{cursor:pointer}
.grid td.imgcell .cell{display:flex;align-items:center;gap:6px;padding:2px 6px}
.grid td.imgcell img.thumb{height:26px;width:26px;object-fit:cover;border-radius:5px;border:1px solid var(--line)}
.grid td.imgcell .imgbadge{font-size:11px;color:var(--pupi-d)}
.grid td.imgcell .imgadd{font-size:11px;color:#b0bec5}

/* group band */
.grid tr.band td{background:var(--group);font-weight:600;position:sticky;left:0;cursor:pointer;color:var(--pupi-d)}
.grid tr.band .tw{display:flex;align-items:center;gap:8px;padding:4px 8px}
.grid tr.band .caret{display:inline-block;width:14px;transition:transform .12s}
.grid tr.band.collapsed .caret{transform:rotate(-90deg)}
.grid tr.band .cnt{color:var(--muted);font-weight:400;font-size:11px}

#fillHandle{position:absolute;width:8px;height:8px;background:var(--pupi);border:1px solid #fff;cursor:crosshair;z-index:20;display:none}

.popmenu{position:absolute;background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:0 8px 24px rgba(0,0,0,.14);padding:6px;z-index:50;display:none;max-height:70vh;overflow:auto}
.popmenu label{display:flex;align-items:center;gap:7px;padding:5px 9px;cursor:pointer;border-radius:5px;white-space:nowrap}
.popmenu label:hover{background:var(--line2)}

.filterrow th{padding:0!important;background:#fbfcfd}
.filterrow input{width:100%;border:0;border-top:1px solid var(--line2);padding:4px 7px;font:inherit;background:transparent}
.filterrow input:focus{outline:1px solid var(--pupi)}

/* chip + bool */
.chip{display:inline-block;padding:1px 8px;border-radius:11px;font-size:11px;font-weight:600;line-height:18px}
.chip.con{background:#e3f7e8;color:#1e8e3e}
.chip.saphet{background:#fff3d6;color:#b7791f}
.chip.het{background:#fde8e6;color:#c0392b}
.chip.dat{background:#e7effe;color:#2b6cb0}
.chip.ngung{background:#eceff1;color:#78909c}
.boolmark{display:inline-block;width:18px;height:18px;line-height:18px;border-radius:4px;font-size:12px;font-weight:700;cursor:pointer}
.boolmark.on{background:var(--pupi);color:#fff}
.boolmark.off{background:#eceff1;color:#b0bec5}
.grid td.secret .cell{color:#a05a00}

/* phân trang */
.pager{display:flex;align-items:center;gap:10px;padding:7px 12px;border-top:1px solid var(--line);flex:0 0 auto;font-size:12.5px;color:#55636b;flex-wrap:wrap}
.pager select{padding:3px 6px;border:1px solid var(--line);border-radius:6px}
.pager .pgbtn{border:1px solid var(--line);background:#fff;border-radius:6px;padding:3px 9px;cursor:pointer}
.pager .pgbtn:disabled{opacity:.4;cursor:default}
.pager .pick{color:var(--pupi-d);font-weight:600}

/* ============ DASHBOARD ============ */
.dash{padding:18px;overflow:auto;display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:14px;align-content:start}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px}
.card .k{color:var(--muted);font-size:12.5px;margin-bottom:6px}
.card .v{font-size:26px;font-weight:800;color:var(--pupi-d)}
.card .sub{font-size:11.5px;color:var(--muted);margin-top:4px}
.card.wide{grid-column:1/-1}
.card.wide .v{font-size:20px;color:var(--txt)}
.miniList{display:flex;flex-direction:column;gap:6px;margin-top:8px}
.miniList .row{display:flex;justify-content:space-between;font-size:12.5px;padding:4px 0;border-top:1px solid var(--line2)}

/* ============ THU CHI ============ */
.tc-summary{display:flex;gap:14px;padding:14px 14px 0;flex-wrap:wrap}
.tc-card{flex:1;min-width:150px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 16px}
.tc-card .k{color:var(--muted);font-size:12px}
.tc-card .v{font-size:22px;font-weight:800;margin-top:4px}
.tc-card.thu .v{color:#1e8e3e}.tc-card.chi .v{color:#c0392b}.tc-card.con .v{color:var(--pupi-d)}
.grid td .tcdel{color:#c0392b;cursor:pointer;font-weight:700}

/* modal */
.modal-bg{position:fixed;inset:0;background:rgba(0,0,0,.35);display:flex;align-items:center;justify-content:center;z-index:100}
.modal{background:#fff;border-radius:14px;padding:20px 22px;width:min(460px,92vw);box-shadow:0 20px 50px rgba(0,0,0,.25);max-height:90vh;overflow:auto}
.modal h3{margin:0 0 14px}
.modal .fld{margin-bottom:10px;display:flex;flex-direction:column;gap:3px}
.modal .fld label{font-size:12px;color:#55636b}
.modal .fld input,.modal .fld select{padding:8px 10px;border:1px solid var(--line);border-radius:8px;font:inherit}
.modal .acts{display:flex;justify-content:flex-end;gap:8px;margin-top:14px}