:root{--g:#4f8f1a;--g2:#6bb32e;--gl:#eef6e6;--bd:#dfe3da;--tx:#1f2a1a;--mu:#6b7466;--rd:#c62828;--bg:#f5f7f2}
*{box-sizing:border-box}
body{margin:0;font-family:"Segoe UI",Roboto,Arial,sans-serif;font-size:14px;color:var(--tx);background:var(--bg)}
a{color:var(--g)}
.center{text-align:center;padding:60px 20px}.muted{color:var(--mu)}.small{font-size:12px}.r{text-align:right}.red{color:var(--rd)}.green{color:var(--g)}.b{font-weight:600}
header{background:var(--g);color:#fff;display:flex;align-items:center;gap:6px;padding:0 10px;height:50px;position:sticky;top:0;z-index:20}
header .brand{font-weight:700;font-size:16px;margin-right:12px;white-space:nowrap}
header nav{display:flex;gap:2px;overflow-x:auto;flex:1}
header nav a{color:#e9f5dd;text-decoration:none;padding:8px 12px;border-radius:6px;white-space:nowrap}
header nav a.on,header nav a:hover{background:rgba(255,255,255,.18);color:#fff}
header .who{font-size:12px;opacity:.9;white-space:nowrap}
header button{background:transparent;border:1px solid rgba(255,255,255,.5);color:#fff;padding:5px 10px;border-radius:6px;cursor:pointer}
main{padding:14px;max-width:1300px;margin:0 auto}
h2{margin:4px 0 12px;font-size:19px}
.card{background:#fff;border:1px solid var(--bd);border-radius:10px;padding:14px;margin-bottom:14px}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end}.row>*{flex:1;min-width:140px}.row>.auto{flex:0 0 auto;min-width:0}
label{display:block;font-size:12px;color:var(--mu);margin-bottom:3px}
input,select,textarea{width:100%;padding:8px 9px;border:1px solid #cfd5c8;border-radius:7px;font:inherit;background:#fff;color:inherit}
input:focus,select:focus,textarea:focus{outline:2px solid var(--g2);border-color:var(--g2)}
textarea{resize:vertical;min-height:38px}
input[type=checkbox]{width:auto;margin-right:6px}
.btn{display:inline-block;padding:9px 16px;border-radius:7px;border:1px solid var(--g);background:var(--g);color:#fff;font:inherit;font-weight:600;cursor:pointer;text-decoration:none;white-space:nowrap}
.btn:hover{filter:brightness(1.08)}.btn.out{background:#fff;color:var(--g)}.btn.gray{background:#fff;color:#444;border-color:#bbb}.btn.red{background:#fff;color:var(--rd);border-color:var(--rd)}
.btn.wa{background:#25a244;border-color:#25a244}.btn.sm{padding:5px 10px;font-size:13px}
.btn:disabled{opacity:.5;cursor:default}
table.list{width:100%;border-collapse:collapse;background:#fff}
table.list th{text-align:left;font-size:12px;color:var(--mu);font-weight:600;border-bottom:2px solid var(--bd);padding:8px 6px;white-space:nowrap}
table.list td{border-bottom:1px solid #eef0ea;padding:8px 6px;vertical-align:top}
table.list tr.click{cursor:pointer}table.list tr.click:hover td{background:var(--gl)}
.tag{display:inline-block;font-size:11px;padding:1px 7px;border-radius:10px;background:#e7e7e7;color:#555}.tag.b2b{background:#e3effd;color:#1e5aa8}.tag.cx{background:#fde4e4;color:var(--rd)}.tag.due{background:#fff2d6;color:#8a5a00}
.toolbar{display:flex;gap:8px;flex-wrap:wrap;align-items:flex-end;margin-bottom:10px}.toolbar>div{min-width:130px}
.grow{flex:1}
/* bill form */
.seg{display:inline-flex;border:1px solid var(--g);border-radius:8px;overflow:hidden}.seg button{border:0;background:#fff;color:var(--g);padding:7px 18px;font:inherit;font-weight:600;cursor:pointer}.seg button.on{background:var(--g);color:#fff}
.ac{position:relative}.ac .dd{position:absolute;left:0;right:0;top:100%;background:#fff;border:1px solid var(--bd);border-radius:8px;box-shadow:0 6px 20px rgba(0,0,0,.12);z-index:30;max-height:300px;overflow:auto;min-width:300px}
.ac .dd div{padding:8px 10px;cursor:pointer;border-bottom:1px solid #f0f0f0}.ac .dd div.hl,.ac .dd div:hover{background:var(--gl)}
.ac .dd .sub{font-size:12px;color:var(--mu)}
table.lines{width:100%;border-collapse:collapse}
table.lines th{background:var(--gl);font-size:12px;font-weight:600;color:#3d5a26;padding:7px 5px;text-align:left}
table.lines td{padding:4px 3px;border-bottom:1px solid #eef0ea;vertical-align:top}
table.lines input,table.lines textarea{padding:6px 6px}
table.lines .amt{padding-top:10px;text-align:right;font-weight:600;white-space:nowrap}
.x{background:none;border:0;color:#b33;font-size:18px;cursor:pointer;padding:4px 6px}
.totals{min-width:300px}.totals td{padding:5px 4px}.totals tr.grand td{font-size:18px;font-weight:700;color:var(--g);border-top:2px solid var(--bd)}
.partybox{background:var(--gl);border-radius:8px;padding:8px 10px;margin-top:8px;display:flex;justify-content:space-between;gap:8px;align-items:center}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin-bottom:14px}
.stat{background:#fff;border:1px solid var(--bd);border-radius:10px;padding:14px}.stat .v{font-size:22px;font-weight:700;margin-top:4px}.stat .l{color:var(--mu);font-size:12px}
.bars{display:flex;align-items:flex-end;gap:6px;height:140px;padding-top:10px}.bars div{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;font-size:10px;color:var(--mu)}
.bars span{display:block;width:100%;background:var(--g2);border-radius:4px 4px 0 0;min-height:2px}
/* modal */
.modal-bg{position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:50;display:flex;align-items:flex-start;justify-content:center;padding:40px 10px;overflow:auto}
.modal{background:#fff;border-radius:12px;padding:18px;width:100%;max-width:620px}
.modal h3{margin:0 0 12px}.modal .acts{display:flex;justify-content:flex-end;gap:8px;margin-top:14px}
#toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:#222;color:#fff;padding:10px 18px;border-radius:8px;display:none;z-index:99;max-width:90%}
#toast.err{background:var(--rd)}
.login{max-width:360px;margin:60px auto}
.offline{background:#c62828;color:#fff;text-align:center;padding:6px;font-weight:600}
iframe.inv{width:100%;height:80vh;border:1px solid var(--bd);border-radius:8px;background:#fff}
@media(max-width:760px){header .who{display:none}main{padding:8px}.hide-m{display:none}table.lines th.hide-m,table.lines td.hide-m{display:none}.totals{min-width:0;width:100%}}