:root {
  --daun: #1E4D2B;        /* pelepah sawit */
  --daun-2: #2C6B3D;
  --daun-tua: #13321C;
  --minyak: #E8A317;      /* minyak sawit / tandan matang */
  --minyak-muda: #FBEFD2;
  --latar: #EEF1EA;
  --kertas: #FFFFFF;
  --tinta: #17231B;
  --redup: #5E6B61;
  --garis: #D5DCD2;
  --bahaya: #B42318;
  --bahaya-muda: #FDECEA;
  --aman: #1D7A45;
  --aman-muda: #E3F3E8;
  --radius: 10px;
  --font: 'Public Sans', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { font-family: var(--font); color: var(--tinta); background: var(--latar); font-size: 15px; line-height: 1.5; }
[hidden] { display: none !important; }
h1, h2, h3, h4 { margin: 0; line-height: 1.25; }
a { color: var(--daun-2); }
.muted { color: var(--redup); }
.num { font-variant-numeric: tabular-nums; text-align: right; white-space: nowrap; }
:focus-visible { outline: 3px solid var(--minyak); outline-offset: 2px; }

/* ---------- login ---------- */
.login { min-height: 100%; display: grid; place-items: center; padding: 24px;
  background: radial-gradient(circle at 20% 10%, #2C6B3D 0, var(--daun-tua) 60%); }
.login-card { width: min(380px, 100%); background: var(--kertas); border-radius: 16px; padding: 32px; display: grid; gap: 14px; }
.login-card h1 { font-size: 26px; font-weight: 800; }
.brand-mark { width: 44px; height: 44px; border-radius: 50%; background: var(--daun); position: relative; }
.brand-mark::after { content: ''; position: absolute; inset: 11px 11px 9px; border-radius: 50%; background: var(--minyak); }
.brand-mark.sm { width: 28px; height: 28px; }
.brand-mark.sm::after { inset: 7px 7px 5px; }

/* ---------- shell ---------- */
.shell { display: grid; grid-template-columns: 248px 1fr; min-height: 100vh; }
.side { background: var(--daun-tua); color: #DDE7DF; display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh; overflow-y: auto; }
.side-brand { display: flex; align-items: center; gap: 10px; padding: 18px 18px 12px; font-weight: 800; font-size: 17px; color: #fff; }
.side nav { flex: 1; padding: 4px 10px 16px; }
.nav-group { margin-top: 14px; }
.nav-group > span { display: block; padding: 0 10px 4px; font-size: 12px; color: #8FA595; font-weight: 600; }
.nav-link { display: block; padding: 7px 10px; border-radius: 8px; color: #DDE7DF; text-decoration: none; font-size: 14.5px; }
.nav-link:hover { background: rgba(255,255,255,.07); }
.nav-link.active { background: var(--minyak); color: var(--daun-tua); font-weight: 700; }
.side-user { padding: 14px 18px 18px; border-top: 1px solid rgba(255,255,255,.1); display: grid; gap: 2px; }
.side-user small { color: #8FA595; }
.side-user-actions { display: flex; gap: 14px; margin-top: 6px; }
.side .link { color: #F4D48A; }
.main { min-width: 0; display: flex; flex-direction: column; }
.top { display: flex; align-items: center; gap: 12px; padding: 18px 28px; background: var(--latar); position: sticky; top: 0; z-index: 5; border-bottom: 1px solid var(--garis); }
.top h2 { font-size: 21px; font-weight: 700; flex: 1; }
.top-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.menu-btn { display: none; font-size: 22px; background: none; border: 0; cursor: pointer; }
.page { padding: 22px 28px 60px; display: grid; gap: 20px; align-content: start; }
.page:focus { outline: none; }

/* ---------- components ---------- */
.panel { background: var(--kertas); border: 1px solid var(--garis); border-radius: var(--radius); padding: 18px 20px; min-width: 0; }
.panel > h3 { font-size: 16px; margin-bottom: 12px; }
.panel-head { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }
.panel-head h3 { font-size: 16px; flex: 1; }
.grid { display: grid; gap: 16px; }
.g2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.split { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 20px; align-items: start; }

.stat { background: var(--kertas); border: 1px solid var(--garis); border-radius: var(--radius); padding: 14px 16px; }
.stat b { display: block; font-size: 22px; font-weight: 700; font-variant-numeric: tabular-nums; }
.stat span { color: var(--redup); font-size: 13.5px; }

.btn { font: inherit; font-weight: 600; font-size: 14px; border-radius: 8px; border: 1px solid var(--garis); background: var(--kertas); color: var(--tinta);
  padding: 8px 14px; cursor: pointer; white-space: nowrap; }
.btn:hover { border-color: var(--daun-2); }
.btn.primary { background: var(--daun); border-color: var(--daun); color: #fff; }
.btn.primary:hover { background: var(--daun-2); }
.btn.accent { background: var(--minyak); border-color: var(--minyak); color: var(--daun-tua); }
.btn.danger { color: var(--bahaya); border-color: #F1B8B2; }
.btn.sm { padding: 4px 10px; font-size: 13px; }
.btn.block { width: 100%; padding: 11px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.link { background: none; border: 0; padding: 0; font: inherit; font-size: 13.5px; color: var(--daun-2); cursor: pointer; text-decoration: underline; text-underline-offset: 2px; }
.icon-btn { background: none; border: 0; font-size: 18px; cursor: pointer; padding: 4px 8px; border-radius: 6px; }
.icon-btn:hover { background: var(--latar); }

label { display: grid; gap: 4px; font-size: 13.5px; font-weight: 600; color: #34453A; }
input, select, textarea { font: inherit; font-weight: 400; font-size: 14.5px; padding: 8px 10px; border: 1px solid #C5CEC3; border-radius: 8px; background: #fff; color: var(--tinta); width: 100%; min-width: 0; }
input:focus, select:focus, textarea:focus { border-color: var(--daun-2); outline: 2px solid rgba(44,107,61,.18); }
textarea { min-height: 70px; resize: vertical; }
.form { display: grid; gap: 12px; }
.form .row { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); }
.form-actions { display: flex; gap: 8px; justify-content: flex-end; flex-wrap: wrap; margin-top: 4px; }
.form-error { color: var(--bahaya); font-size: 13.5px; margin: 0; min-height: 1em; }
.hint { font-size: 12.5px; color: var(--redup); font-weight: 400; }
.check { display: flex; gap: 8px; align-items: center; font-weight: 500; }
.check input { width: auto; }

.tbl-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; font-weight: 600; color: var(--redup); font-size: 13px; padding: 8px 10px; border-bottom: 1px solid var(--garis); white-space: nowrap; }
td { padding: 8px 10px; border-bottom: 1px solid #ECEFE9; vertical-align: top; }
tr:hover td { background: #F7F9F5; }
tfoot td { font-weight: 700; border-top: 2px solid var(--garis); background: #FAFBF8; }
td.act { white-space: nowrap; text-align: right; }
.empty { padding: 26px; text-align: center; color: var(--redup); }

.badge { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; background: var(--latar); color: var(--redup); white-space: nowrap; }
.badge.ok { background: var(--aman-muda); color: var(--aman); }
.badge.warn { background: var(--minyak-muda); color: #8A5A00; }
.badge.bad { background: var(--bahaya-muda); color: var(--bahaya); }
.badge.info { background: #E4EEF8; color: #20517F; }

.filters { display: flex; gap: 10px; flex-wrap: wrap; align-items: end; }
.filters label { min-width: 150px; }
.alert { padding: 10px 14px; border-radius: 8px; background: var(--minyak-muda); color: #6B4700; font-size: 14px; }
.alert.bad { background: var(--bahaya-muda); color: var(--bahaya); }
.alert.ok { background: var(--aman-muda); color: var(--aman); }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 4px 16px; font-size: 14px; }
.kv dt { color: var(--redup); }
.kv dd { margin: 0; font-weight: 600; }
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--garis); flex-wrap: wrap; }
.tab { background: none; border: 0; padding: 8px 14px; font: inherit; font-weight: 600; font-size: 14px; color: var(--redup); cursor: pointer; border-bottom: 3px solid transparent; }
.tab.active { color: var(--daun); border-color: var(--minyak); }

/* ---------- timbangan readout (elemen utama) ---------- */
.scale { background: var(--daun-tua); border-radius: 14px; padding: 18px; color: #CFE0D3; display: grid; gap: 12px; }
.scale-head { display: flex; justify-content: space-between; align-items: center; font-size: 13px; }
.scale-live { display: flex; align-items: baseline; justify-content: flex-end; gap: 10px; }
.scale-live .val { font-size: clamp(40px, 6vw, 64px); font-weight: 800; color: var(--minyak); font-variant-numeric: tabular-nums; letter-spacing: -1px; line-height: 1; }
.scale-live .unit { font-size: 18px; color: #9DB5A3; }
.dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; background: #6C7F71; margin-right: 6px; }
.dot.on { background: #4ADE80; box-shadow: 0 0 0 3px rgba(74,222,128,.2); }
.dot.stable { background: var(--minyak); }
.scale-pair { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; }
.scale-cell { background: rgba(255,255,255,.06); border-radius: 10px; padding: 10px 12px; display: grid; gap: 6px; }
.scale-cell span { font-size: 12.5px; color: #9DB5A3; }
.scale-cell input { background: rgba(0,0,0,.25); border-color: rgba(255,255,255,.12); color: #fff; font-size: 22px; font-weight: 700; text-align: right; font-variant-numeric: tabular-nums; }
.scale-cell input[readonly] { color: var(--minyak); }
.scale-cell b { font-size: 26px; color: #fff; text-align: right; font-variant-numeric: tabular-nums; padding: 4px 2px; }
.scale .btn { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.18); color: #fff; }
.scale .btn.accent { background: var(--minyak); color: var(--daun-tua); border-color: var(--minyak); }

.calc { display: grid; gap: 6px; font-size: 14.5px; }
.calc div { display: flex; justify-content: space-between; gap: 10px; }
.calc .total { font-size: 20px; font-weight: 800; border-top: 2px solid var(--garis); padding-top: 8px; color: var(--daun); }

/* ---------- chart ---------- */
.bars { display: flex; align-items: flex-end; gap: 3px; height: 140px; padding-top: 10px; }
.bars div { flex: 1; background: var(--daun-2); border-radius: 3px 3px 0 0; min-height: 2px; position: relative; }
.bars div:hover { background: var(--minyak); }
.bars-x { display: flex; justify-content: space-between; font-size: 12px; color: var(--redup); margin-top: 6px; }

/* ---------- POS ---------- */
.pos { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(300px, .8fr); gap: 20px; align-items: start; }
.prod-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
.prod { text-align: left; background: var(--kertas); border: 1px solid var(--garis); border-radius: 10px; padding: 10px 12px; cursor: pointer; font: inherit; display: grid; gap: 2px; }
.prod:hover { border-color: var(--daun-2); }
.prod b { font-size: 14px; }
.prod small { color: var(--redup); }
.prod .price { font-weight: 700; color: var(--daun); }
.cart-row { display: grid; grid-template-columns: 1fr 70px auto auto; gap: 8px; align-items: center; padding: 6px 0; border-bottom: 1px solid #ECEFE9; font-size: 14px; }
.cart-row input { padding: 4px 6px; text-align: right; }

/* ---------- modal & toast ---------- */
.modal { position: fixed; inset: 0; background: rgba(15,30,20,.45); display: grid; place-items: center; padding: 20px; z-index: 50; }
.modal-box { background: var(--kertas); border-radius: 14px; width: min(720px, 100%); max-height: 92vh; display: flex; flex-direction: column; }
.modal-box.wide { width: min(1000px, 100%); }
.modal-box header { display: flex; align-items: center; padding: 16px 20px; border-bottom: 1px solid var(--garis); }
.modal-box header h3 { flex: 1; font-size: 17px; }
.modal-body { padding: 18px 20px 20px; overflow-y: auto; display: grid; gap: 14px; }
.toast { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%) translateY(20px); background: var(--daun-tua); color: #fff; padding: 10px 18px; border-radius: 10px; opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s; z-index: 60; max-width: 90vw; }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.bad { background: var(--bahaya); }

/* ---------- print ---------- */
#print-area { display: none; }
.slip { font-family: var(--font); color: #000; font-size: 12px; }
.slip h4 { font-size: 14px; text-align: center; }
.slip .c { text-align: center; }
.slip table { font-size: 12px; }
.slip td, .slip th { padding: 2px 0; border: 0; }
.slip hr { border: 0; border-top: 1px dashed #000; margin: 6px 0; }
.slip .big { font-size: 16px; font-weight: 800; }
@media print {
  body > *:not(#print-area) { display: none !important; }
  #print-area { display: block !important; }
  #print-area.thermal { width: 58mm; }
  #print-area.a4 { width: 100%; }
  @page { margin: 6mm; }
}

@media (max-width: 1100px) { .g4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } .split, .pos { grid-template-columns: 1fr; } }
@media (max-width: 860px) {
  .shell { grid-template-columns: 1fr; }
  .side { position: fixed; left: 0; top: 0; bottom: 0; width: 260px; z-index: 40; transform: translateX(-100%); transition: transform .2s; }
  .side.open { transform: none; }
  .menu-btn { display: block; }
  .top, .page { padding-left: 16px; padding-right: 16px; }
  .g2, .g3 { grid-template-columns: 1fr; }
  .scale-pair { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }