:root{
  --ink:#1c2b24; --paper:#f6f7f4; --card:#fff; --green:#1e5a43; --green-d:#15412f; --gold:#b8861b;
  --blue:#2f6f8f; --line:#d9dfda; --muted:#5f6b64; --red:#a63a2b; --amber:#8a5d00;
  --r:6px; --font:'Sarabun',system-ui,sans-serif; --head:'Bai Jamjuree','Sarabun',sans-serif;
}
*{box-sizing:border-box}
html{font-size:16px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font);line-height:1.6;min-height:100vh;display:flex;flex-direction:column}
a{color:var(--green)}
h1,h2,h3{font-family:var(--head);line-height:1.3;margin:0 0 .5em}
h1{font-size:1.75rem;font-weight:700}
h2{font-size:1.2rem;font-weight:600}
h3{font-size:1rem;font-weight:600}
:focus-visible{outline:3px solid var(--gold);outline-offset:2px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.muted{color:var(--muted)} .small,small{font-size:.85rem}
.good{color:var(--green)} .short{color:var(--red)}
.lead{max-width:70ch;color:var(--muted)}

/* top bar */
.top{background:var(--green-d);color:#fff}
.top-in{max-width:1180px;margin:0 auto;padding:.6rem 1.25rem;display:flex;gap:1.5rem;align-items:center;flex-wrap:wrap}
.brand{display:flex;gap:.7rem;align-items:center;color:#fff;text-decoration:none}
.brand b{display:block;font-family:var(--head);font-size:1.05rem;line-height:1.2}
.brand small{opacity:.75;font-size:.8rem}
.seal{display:inline-grid;place-items:center;width:2.3rem;height:2.3rem;border-radius:50%;border:2px solid var(--gold);color:var(--gold);font-family:var(--head);font-weight:700;font-size:1.2rem}
.seal.big{width:4rem;height:4rem;font-size:2rem;color:var(--green);border-color:var(--gold)}
.top nav{display:flex;gap:.25rem;flex-wrap:wrap}
.top nav a{color:#e8efe9;text-decoration:none;padding:.4rem .75rem;border-radius:var(--r)}
.top nav a:hover{background:rgba(255,255,255,.08)}
.top nav a[aria-current]{background:#fff;color:var(--green-d);font-weight:600}
.who{margin-left:auto;display:flex;gap:.6rem;align-items:baseline;font-size:.9rem}
.who small{opacity:.7}
.who a{color:var(--gold)}

.wrap{max-width:1180px;width:100%;margin:0 auto;padding:1.75rem 1.25rem 3rem;flex:1}
.foot{text-align:center;color:var(--muted);font-size:.85rem;padding:1.25rem;border-top:1px solid var(--line)}
.crumb{font-size:.9rem;margin:0 0 .5rem;color:var(--muted)}
.crumb a{color:var(--muted)}

/* notices */
.notice{padding:.75rem 1rem;border-radius:var(--r);border-left:4px solid;background:#fff;margin:0 0 1rem}
.notice.ok{border-color:var(--green);background:#edf5f0}
.notice.err{border-color:var(--red);background:#fbefec}
.notice.warn{border-color:var(--gold);background:#fbf5e6}
.empty{padding:2rem;text-align:center;color:var(--muted);border:1px dashed var(--line);border-radius:var(--r);background:#fff}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;font:inherit;font-weight:600;padding:.55rem 1.1rem;border-radius:var(--r);border:1px solid var(--green);background:var(--green);color:#fff;text-decoration:none;cursor:pointer;white-space:nowrap}
.btn:hover{background:var(--green-d)}
.btn.ghost{background:#fff;color:var(--green)}
.btn.ghost:hover{background:#edf5f0}
.btn.danger{background:#fff;color:var(--red);border-color:#e3c3bd}
.btn.small{padding:.25rem .65rem;font-size:.88rem;font-weight:500}
.btn.block{width:100%}
.linkbtn{background:none;border:0;padding:0;font:inherit;color:var(--green);text-decoration:underline;cursor:pointer}
.linkbtn.danger{color:var(--red)}

/* forms */
label{font-weight:500}
input,select,textarea{font:inherit;color:inherit;width:100%;padding:.5rem .65rem;border:1px solid #c5ccc7;border-radius:var(--r);background:#fff}
input:focus,select:focus,textarea:focus{border-color:var(--green);outline:2px solid rgba(30,90,67,.18)}
input[type=checkbox]{width:auto}
input[readonly],textarea[readonly]{background:#f2f4f2}
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:1.25rem 1.4rem;margin:0 0 1.25rem}
.panel > summary{cursor:pointer;font-family:var(--head);font-weight:600}
.panel > summary + form{margin-top:1rem}
.fields{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:1rem 1.25rem}
.field label{display:block;font-size:.92rem;margin-bottom:.25rem}
.field.wide{grid-column:1/-1}
.field.check{display:flex;align-items:end}
.field.check label,.check{display:flex;gap:.5rem;align-items:center}
.req{color:var(--red)}
.actions{display:flex;gap:.6rem;flex-wrap:wrap;margin-top:1.25rem}
.filters{display:flex;gap:.75rem;align-items:end;flex-wrap:wrap;margin-bottom:1rem}
.filters label{display:flex;flex-direction:column;font-size:.88rem;min-width:160px}
.inline-add{display:flex;gap:.6rem;align-items:end;flex-wrap:wrap}
.inline-add label{flex:1;display:flex;flex-direction:column;min-width:240px}
.inline-add input{flex:1;min-width:200px}
.calc-hint{font-size:.88rem;color:var(--muted);margin:1rem 0 0}
.files{margin:.5rem 0 0;padding-left:1.2rem}

/* tables */
.table-scroll{overflow-x:auto;margin-bottom:1.25rem}
table{width:100%;border-collapse:collapse;background:#fff}
th,td{padding:.55rem .7rem;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
th{font-weight:600;font-size:.88rem;color:var(--muted);background:#f0f3f0}
.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
td.act{white-space:nowrap;text-align:right}
td.act form{display:inline}
table.list{border:1px solid var(--line);border-radius:var(--r)}
table.list tr.editing td{background:#fbf5e6}
tr.inactive td{color:var(--muted)}
tfoot td{font-weight:600;border-bottom:0;background:#f7f9f7}

/* status */
.status{display:inline-block;padding:.1rem .6rem;border-radius:999px;font-size:.82rem;font-weight:600;border:1px solid}
.s-draft{color:var(--muted);border-color:#c5ccc7;background:#f3f5f3}
.s-submitted{color:var(--blue);border-color:#b7d0dc;background:#eef5f8}
.s-returned{color:var(--amber);border-color:#e6cf97;background:#fbf5e6}
.s-approved{color:var(--green);border-color:#a9cdb9;background:#edf5f0}
.s-none{color:var(--muted);border-color:transparent;background:transparent;padding-left:0}

/* dashboard periods */
.periods{display:grid;gap:1rem}
.period{display:grid;grid-template-columns:1.4fr 1fr auto;gap:1.5rem;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:1.1rem 1.4rem}
.period.open{border-left:5px solid var(--gold)}
.period h2{font-size:1.08rem;margin:0}
.period p{margin:.2rem 0 0;font-size:.9rem}
.gauge{height:8px;background:#e6ebe7;border-radius:4px;margin:.6rem 0 .25rem;overflow:hidden}
.gauge-fill{height:100%;background:var(--gold)}
.gauge-fill.met{background:var(--green)}
.gauge-num{margin:0;font-size:.88rem;color:var(--muted)}
.gauge-num b{color:var(--ink);font-size:1rem}

/* report overview */
.report-head{display:flex;justify-content:space-between;align-items:flex-start;gap:1rem;flex-wrap:wrap;margin-bottom:1rem}
.report-head h1{margin-bottom:.1rem}
.report-head p{margin:0}
.head-act{display:flex;gap:.6rem;align-items:center}
.sum-chip{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:.45rem .9rem}

/* the ledger — the one bold element */
.ledger{background:var(--green-d);color:#fff;border-radius:var(--r);padding:1.4rem 1.6rem 1.1rem;margin:0 0 2rem}
.ledger-total{display:flex;align-items:center;gap:1rem;margin-bottom:1.1rem}
.big-num{font-family:var(--head);font-size:3.2rem;font-weight:700;line-height:1;font-variant-numeric:tabular-nums}
.ledger-total small{font-size:.9rem}
.ledger .good{color:#9fe0bd} .ledger .short{color:#ffc9a8}
.bar{position:relative;height:22px;background:rgba(255,255,255,.12);border-radius:3px;display:flex;margin-bottom:1.6rem}
.seg{height:100%;display:block}
.seg:first-child{border-radius:3px 0 0 3px}
.seg1{background:#7fc8a1} .seg2{background:#8ec3dd} .seg3{background:#e2b95a} .seg0{background:var(--muted)}
.minline{position:absolute;top:-6px;bottom:-6px;width:2px;background:#fff}
.minline em{position:absolute;top:100%;left:50%;transform:translateX(-50%);font-style:normal;font-size:.78rem;white-space:nowrap;padding-top:2px;opacity:.85}
.legend{list-style:none;margin:0;padding:0;display:flex;gap:1.5rem;flex-wrap:wrap;font-size:.92rem}
.legend b{font-variant-numeric:tabular-nums;margin-left:.2rem}
.dot{display:inline-block;width:.7rem;height:.7rem;border-radius:2px;margin-right:.4rem;vertical-align:middle}

.section{margin-bottom:2rem}
.section h2{display:flex;gap:.7rem;align-items:center}
.secno{display:inline-grid;place-items:center;min-width:1.8rem;height:1.8rem;border-radius:4px;color:var(--ink);font-size:.95rem}
table.cats{border:1px solid var(--line)}
table.cats td:first-child a{color:var(--ink);text-decoration:none;font-weight:500}
table.cats td:first-child a:hover{color:var(--green);text-decoration:underline}
.submit-bar{position:sticky;bottom:0;background:rgba(246,247,244,.96);border-top:1px solid var(--line);padding:.9rem 0;display:flex;gap:.6rem;justify-content:flex-end;flex-wrap:wrap;align-items:center}
.submit-bar form{display:inline}
.copy-prev{margin:0 0 1.5rem}
.item-form h2{margin-bottom:1rem}

/* detail view */
.h-sm{font-size:1.05rem}
.kv th{width:16%;background:#f7f9f7;color:var(--muted);font-weight:500}
.kv td{width:34%}
.d-section{margin:2rem 0}
.d-section > h2{border-bottom:2px solid var(--green);padding-bottom:.35rem}
.d-section h3{margin-top:1.4rem}
.d-section h3 small{color:var(--muted);font-weight:400;font-family:var(--font)}
.d-sub{text-align:right;font-size:.95rem}
.dl{margin:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:.3rem 1.2rem}
.dl div{min-width:0}
.dl dt{font-size:.8rem;color:var(--muted)}
.dl dd{margin:0;overflow-wrap:anywhere}
table.summary .sec td{font-weight:600;background:#f7f9f7}
table.summary .ind{padding-left:1.6rem}
.narr{max-width:80ch;white-space:normal}
.review{border-left:5px solid var(--blue)}
.log{margin:0;padding-left:1.2rem}
.log li{margin-bottom:.5rem}
.log time{color:var(--muted);font-size:.85rem;margin-right:.4rem}

/* review tabs */
.tabs{display:flex;gap:.25rem;flex-wrap:wrap;border-bottom:1px solid var(--line);margin-bottom:1rem}
.tabs a{padding:.5rem .9rem;text-decoration:none;color:var(--muted);border-bottom:3px solid transparent;margin-bottom:-1px}
.tabs a b{color:var(--ink);margin-left:.25rem}
.tabs a[aria-current]{color:var(--green);border-bottom-color:var(--green);font-weight:600}

/* admin */
.admin-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1rem}
.tile{display:flex;flex-direction:column;gap:.2rem;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:1.2rem 1.3rem;text-decoration:none;color:var(--ink)}
.tile:hover{border-color:var(--green)}
.tile b{font-family:var(--head);font-size:1.1rem;color:var(--green)}
.tile small{color:var(--muted)}
.weights legend{font-family:var(--head);font-weight:600;padding:0 .4rem}
.wrow{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:.4rem 0;border-bottom:1px dashed var(--line);font-weight:400}
.wrow input{width:110px;text-align:right}
.org{display:grid;grid-template-columns:1fr auto;gap:.6rem 1rem;align-items:center}
.org .progs,.org > .inline-add{grid-column:1/-1}
.rename{display:flex;gap:.5rem;align-items:center}
.h-input{font-family:var(--head);font-weight:600;font-size:1.05rem}
.progs{list-style:none;margin:0;padding:0 0 0 1rem;border-left:3px solid var(--line)}
.progs li{display:flex;gap:.8rem;align-items:center;padding:.25rem 0}
.progs li form{display:flex;gap:.4rem}
.progs li .rename{flex:1}

/* auth */
body.auth{display:grid;place-items:center;padding:2rem 1rem;background:var(--green-d)}
.auth-box{background:#fff;border-radius:var(--r);padding:2.2rem 2rem;width:100%;max-width:400px;text-align:center}
.auth-box.wide{max-width:640px;text-align:left}
.auth-box form label{display:block;text-align:left;margin:0 0 .9rem}
.auth-box h1{font-size:1.45rem;margin:.8rem 0 .3rem}
.auth-box .notice{text-align:left}
.auth-box fieldset{border:1px solid var(--line);border-radius:var(--r);margin:0 0 1rem;padding:1rem}
.auth-box fieldset label{display:block;margin-bottom:.7rem}

@media (max-width:760px){
  .period{grid-template-columns:1fr;gap:.8rem}
  .who{margin-left:0;width:100%}
  .big-num{font-size:2.5rem}
  .kv th,.kv td{display:block;width:auto;border:0}
  .kv tr{display:block;border-bottom:1px solid var(--line)}
  .org{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}