:root{--green:#006039;--dkgreen:#004D35;--gold:#A37E2C;--champ:#D4AF37;--bg:#F5F5F0;--white:#FFFFFF;--text:#222222;--muted:#6b6b66;--red:#B00020;--line:#e4e1d6;--card:#ffffff}
*{box-sizing:border-box}
html,body{margin:0;height:100%;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;color:var(--text);background:var(--bg);font-size:15px}
[hidden]{display:none!important}
.btn{border:0;border-radius:6px;padding:10px 18px;font-weight:600;cursor:pointer;font-size:14px}
.btn.gold{background:var(--gold);color:#fff}.btn.gold:hover{background:#8d6c24}
.btn.green{background:var(--green);color:#fff}
.btn.ghost{background:transparent;border:1px solid var(--gold);color:var(--gold)}
.btn.small{padding:6px 12px;font-size:13px}
.btn:disabled{opacity:.5;cursor:default}
input,select{font:inherit;padding:9px 10px;border:1px solid var(--line);border-radius:6px;width:100%;background:#fff}
input:focus,select:focus{outline:2px solid var(--champ);border-color:var(--champ)}
label{display:block;font-weight:600;font-size:13px;margin:12px 0 0}
label input{margin-top:5px;font-weight:400}
label.check{display:flex;gap:8px;align-items:center;font-weight:400}
label.check input{width:auto;margin:0}
.row{display:flex;gap:10px;margin-top:16px}
/* login */
.login-wrap{min-height:100%;display:flex;align-items:center;justify-content:center;background:linear-gradient(160deg,var(--dkgreen),var(--green));padding:24px}
.login-card{background:#fff;width:100%;max-width:400px;border-radius:10px;padding:34px 30px;box-shadow:0 12px 40px rgba(0,0,0,.25)}
.brand{font-size:26px;font-weight:800;letter-spacing:3px;color:var(--green);text-align:center}
.brand-sub{font-size:11px;letter-spacing:3px;color:var(--gold);text-align:center;margin-top:4px}
.rule{height:2px;background:var(--champ);margin:18px auto;width:60px}
.login-card h1{font-size:18px;margin:0 0 4px;text-align:center}
.msg{color:var(--red);min-height:18px;font-size:13px;margin:12px 0 0}
.msg.ok{color:var(--green)}
.fine{font-size:11px;color:var(--muted);margin-top:14px;text-align:center}
.small-link{display:inline-block;margin-top:12px;font-size:13px;color:var(--gold)}
.hint{font-size:13px;color:var(--muted)}
/* app */
.app{display:flex;min-height:100%}
.side{width:230px;background:var(--dkgreen);color:#fff;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.side-brand{padding:22px 20px;font-weight:800;letter-spacing:2px;color:var(--champ);border-bottom:1px solid rgba(255,255,255,.12)}
.side-brand span{display:block;font-size:11px;letter-spacing:1px;color:#cfe0d6;font-weight:400;margin-top:3px}
nav{flex:1;padding:10px 0;overflow:auto}
nav a{display:block;padding:11px 20px;color:#e8efe9;text-decoration:none;font-size:14px;border-left:3px solid transparent}
nav a:hover{background:rgba(255,255,255,.06)}
nav a.active{background:rgba(212,175,55,.12);border-left-color:var(--champ);color:#fff;font-weight:600}
nav a.soon{color:#8fae9d;pointer-events:none}
nav a.soon::after{content:" · soon";font-size:11px}
.side-user{padding:16px 20px;border-top:1px solid rgba(255,255,255,.12);font-size:13px}
.side-user .role{color:var(--champ);margin:3px 0 10px}
.side-user .btn{border-color:var(--champ);color:var(--champ)}
.main{flex:1;min-width:0}
.top{display:flex;align-items:center;gap:12px;padding:18px 28px;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.top h2{margin:0;font-size:20px;color:var(--green)}
.top-right{margin-left:auto;display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.top-right input{width:150px}
.menu-toggle{display:none}
#page{padding:24px 28px}
.section-title{font-size:12px;font-weight:700;letter-spacing:1.5px;color:var(--gold);margin:22px 0 10px}
.tiles{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.tile{background:var(--card);border-radius:8px;padding:16px 18px;border-bottom:3px solid var(--champ);box-shadow:0 1px 3px rgba(0,0,0,.06)}
.tile .lbl{font-size:11px;font-weight:700;letter-spacing:1px;color:var(--muted)}
.tile .val{font-size:26px;font-weight:800;color:var(--green);margin-top:6px}
.tile .val.gold{color:var(--gold)}.tile .val.red{color:var(--red)}
.charts{display:grid;grid-template-columns:3fr 2fr;gap:14px;margin-top:14px}
.card{background:var(--card);border-radius:8px;padding:16px 18px;box-shadow:0 1px 3px rgba(0,0,0,.06)}
.card h3{margin:0 0 10px;font-size:14px;color:var(--green)}
.chart-box{position:relative;height:260px}
.note{font-size:12px;color:var(--muted);margin-top:8px}
table{width:100%;border-collapse:collapse;background:#fff;border-radius:8px;overflow:hidden}
th{background:var(--dkgreen);color:#fff;text-align:left;font-size:12px;letter-spacing:.5px;padding:10px 12px}
td{padding:10px 12px;border-bottom:1px solid var(--line);font-size:14px}
tr.click{cursor:pointer}tr.click:hover td{background:#faf7ec}
.badge{display:inline-block;padding:2px 8px;border-radius:10px;font-size:11px;font-weight:700;background:#eef4f0;color:var(--green)}
.badge.red{background:#fbe9ec;color:var(--red)}.badge.gold{background:#f7f0de;color:var(--gold)}
.search-box{display:flex;gap:10px;margin-bottom:16px}
.search-box input{font-size:16px;padding:12px 14px}
.empty{padding:30px;text-align:center;color:var(--muted)}
.modal{position:fixed;inset:0;background:rgba(0,0,0,.45);display:flex;align-items:center;justify-content:center;z-index:50;padding:20px}
.modal-card{background:#fff;border-radius:10px;max-width:640px;width:100%;max-height:85vh;overflow:auto;padding:24px;position:relative}
.modal-x{position:absolute;right:12px;top:10px;border:0;background:none;font-size:18px;cursor:pointer;color:var(--muted)}
.kv{display:grid;grid-template-columns:180px 1fr;gap:6px 14px;font-size:14px}.kv div:nth-child(odd){color:var(--muted)}
.toast{pointer-events:none;position:fixed;top:76px;right:24px;max-width:420px;background:var(--dkgreen);color:#fff;padding:10px 18px;border-radius:6px;z-index:60;font-size:14px}
.toast.err{background:var(--red)}
@media (max-width:900px){
  .tiles{grid-template-columns:repeat(2,minmax(0,1fr))}
  .charts{grid-template-columns:1fr}
  .side{position:fixed;left:-240px;z-index:20;transition:left .2s}
  .side.open{left:0}
  .menu-toggle{display:inline-block}
  #page{padding:16px}
  .top{padding:12px 16px}
  .top-right input{width:120px}
  .kv{grid-template-columns:1fr}
  td,th{padding:8px}
}
@media print{.side,.top .btn,.top-right{display:none}.main{margin:0}}
/* W2 */
.stu-layout{display:grid;grid-template-columns:320px 1fr;gap:14px;align-items:start}
.stu-list{position:sticky;top:84px;max-height:calc(100vh - 110px);display:flex;flex-direction:column}
.list-body{overflow:auto;margin-top:8px}
.li{padding:10px 8px;border-bottom:1px solid var(--line);cursor:pointer}.li:hover{background:#faf7ec}
.sub{font-size:12px;color:var(--muted);margin-top:2px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
.form-head{display:flex;justify-content:space-between;align-items:baseline;flex-wrap:wrap;gap:8px}
.form-head h3{margin:0}.sid{font-size:13px;color:var(--gold)}
.warn{background:#fbe9ec;color:var(--red);padding:8px 12px;border-radius:6px;font-size:13px}
.sticky-actions{position:sticky;bottom:0;background:#fff;padding:12px 0 4px;border-top:1px solid var(--line)}
@media (max-width:900px){.stu-layout{grid-template-columns:1fr}.stu-list{position:static;max-height:340px}.grid2{grid-template-columns:1fr}}
.badge.grey{background:#ececea;color:#6b6b66}
/* W3 invoices */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:0 16px}
.lines input{padding:7px 8px}.lines td{padding:4px 6px}.lines .l-a{text-align:right;font-weight:600}
.totals-live{display:flex;gap:28px;justify-content:flex-end;margin:12px 0;font-size:15px}.totals-live b{color:var(--green)}
.inv-wrap{margin-top:16px;overflow:auto}
.inv-doc{position:relative;background:#fff;width:210mm;min-height:297mm;margin:0 auto;padding:12mm 12mm 10mm;box-shadow:0 2px 10px rgba(0,0,0,.12);font-family:Arial,Helvetica,sans-serif;color:#000;font-size:11px}
.inv-head{display:flex;gap:14px;align-items:center}.inv-logo{width:82px;height:82px;object-fit:contain}
.co-name{font-size:18px;font-weight:700;color:#006300}.co-addr{font-size:13px;margin-top:3px}.co-contact{font-size:11.5px;margin-top:4px;display:flex;align-items:center;gap:5px;flex-wrap:wrap}
.co-contact img{width:13px;height:13px;margin-left:8px}
.inv-title{text-align:center;font-size:22px;font-weight:700;color:#006300;margin:8px 0 2px}
.inv-meta{width:auto;margin-left:auto;background:none;font-size:12px}.inv-meta th{background:none;color:#000;font-size:12px;text-align:left;padding:1px 10px}.inv-meta td{border:0;padding:1px 4px;font-size:12px}
.inv-h16{font-size:15px;font-weight:700;margin:8px 0 4px}
.inv-bill{display:flex;justify-content:space-between;gap:16px}.bill-left{font-size:12px;line-height:1.5;max-width:48%}
.bill-right{width:auto;background:none}.bill-right td{border:0;padding:1px 4px;font-size:11.5px}
.inv-pkg{font-size:12px;min-height:16px}
.inv-people{display:grid;grid-template-columns:1fr 1fr;gap:16px}.inv-people table{background:none}.inv-people td{border:0;padding:1px 4px;font-size:11.5px}.inv-people td:first-child{width:120px}
.inv-items{margin-top:8px;border:1px solid #c9b48a;border-radius:0}.inv-items th{background:#C1975A;color:#000;font-size:13px;padding:5px 6px}
.inv-items td{border-bottom:1px solid #eee;padding:4px 6px;font-size:11.5px;height:20px}.inv-items td:nth-child(3),.inv-items td:nth-child(5){text-align:right}
.inv-words{margin:6px 0;font-size:11.5px}.inv-words span{color:#444}
.inv-foot{display:flex;justify-content:space-between;gap:16px;margin-top:6px}.foot-row{display:flex;gap:12px;align-items:flex-start;margin-top:6px;font-size:12px}
.inv-qr{width:95px;height:95px}.inv-status{font-size:20px;font-weight:800;margin-top:10px;color:#006300}
.totals{width:250px;background:none}.totals th{background:none;color:#000;font-size:12px;text-align:left;padding:2px 6px}.totals td{border:0;padding:2px 6px;text-align:right;font-size:12px}
.totals tr.grand th,.totals tr.grand td{background:#C1975A;font-weight:700}
.inv-by{margin-top:10px;font-size:11px}.inv-fine{font-size:9.5px;margin-top:6px;line-height:1.35}.inv-fine.caps{font-size:9px}
.inv-stamp{position:absolute;top:118mm;left:58mm;transform:rotate(-12deg);border:4px solid;border-radius:10px;padding:6px 18px;font-size:30px;font-weight:800;opacity:.85;pointer-events:none}
@media (max-width:900px){.grid3{grid-template-columns:1fr}}
@media print{
  @page{size:A4;margin:0}
  body{background:#fff}
  .app>.side,.top,.search-box,.card,#toast,#modal{display:none!important}
  #page{padding:0}.inv-wrap{margin:0}.inv-doc{box-shadow:none;margin:0;width:210mm;min-height:auto}
}
/* W4-W6 */
.tabs{display:flex;gap:6px;margin-bottom:12px;flex-wrap:wrap}
.tab{border:1px solid var(--line);background:#fff;padding:9px 16px;border-radius:6px;cursor:pointer;font-weight:600;color:var(--muted)}
.tab.on{background:var(--green);border-color:var(--green);color:#fff}
.card+.card{margin-top:14px}
.rep th,.rep td{font-size:13px}.rep tr.total td{font-weight:700;border-top:2px solid var(--gold)}
@media print{.tabs{display:none!important}.print-area{display:block!important}}
.rep-doc{min-height:auto}
@media print{.row,.btn,.search-box,label.check{display:none!important}}
.logo-row{display:flex;gap:12px;align-items:center;margin:10px 0}.logo-row img{max-height:64px;max-width:200px;border:1px solid var(--line);border-radius:6px;padding:4px;background:#fff}
.company-box{padding:10px 16px;border-bottom:1px solid rgba(255,255,255,.12)}
.company-box select{background:#0b3d2a;color:#fff;border-color:rgba(255,255,255,.2);font-size:13px}
.co-one{font-size:12px;color:#cfe0d6}
.logo-prev{max-width:120px;max-height:120px;border:1px solid var(--line);border-radius:6px;background:#fff;padding:4px}
.steps{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:12px;font-weight:700;letter-spacing:.5px}
.step{padding:6px 12px;border-radius:14px;background:#ececea;color:#888}.step.done{background:#e3efe7;color:var(--green)}.step.on{background:var(--green);color:#fff}
.arrow{color:#bbb}
@media print{body.po #page>*:not(.print-only){display:none!important}}
@media print{body.po-loan #page>*:not(#ln-body){display:none!important}body.po-loan #ln-body>*:not(#ln-view){display:none!important}body.po-loan .print-only-card{display:block!important}body.po-loan #ln-view .row{display:none!important}}
@media print{body.po-pw #page>*:not(#ps-body){display:none!important}body.po-pw #ps-body>*:not(#pw-out){display:none!important}body.po-pw .print-pw{display:block!important}body.po-pw #pw-out .row{display:none!important}}