/* =====================================================================
   Business ERP — "Counter & Ledger" design system
   Ink bottle-green + paper + marigold accent. Mobile-first.
   ===================================================================== */

:root{
  --ink:#10261F; --ink-700:#1C3A2E; --ink-600:#274A3A;
  --paper:#F3F1E9; --card:#FFFFFF; --line:#E4E0D4; --line-soft:#EFEBDF;
  --brand:#17795E; --brand-700:#0F5E48;
  --marigold:#E7A33D; --marigold-700:#C9852A;
  --brick:#C0492F;
  --text:#16241E; --muted:#5E6E66;
  --radius:14px; --radius-sm:10px;
  --shadow:0 10px 30px rgba(16,38,31,.10);
  --shadow-sm:0 4px 14px rgba(16,38,31,.08);
  --ff-display:"Bricolage Grotesque",system-ui,sans-serif;
  --ff-body:"Inter",system-ui,-apple-system,sans-serif;
  --ff-mono:"IBM Plex Mono",ui-monospace,monospace;
}

*{box-sizing:border-box}
html,body{margin:0}
body{
  font-family:var(--ff-body); color:var(--text); background:var(--paper);
  line-height:1.5; -webkit-font-smoothing:antialiased;
}
a{color:var(--brand-700);text-decoration:none}
a:hover{text-decoration:underline}

/* ---------- Reusable bits ---------- */
.stamp{
  display:inline-grid;place-items:center;text-align:center;
  font-family:var(--ff-mono);font-weight:600;letter-spacing:.18em;
  text-transform:uppercase;color:var(--marigold);
  border:2px solid var(--marigold);border-radius:12px;
  padding:10px 14px;line-height:1.15;
  box-shadow:inset 0 0 0 1px rgba(231,163,61,.35);
  transform:rotate(-5deg);opacity:.95;
}
.stamp small{display:block;font-size:9px;letter-spacing:.28em;color:rgba(231,163,61,.75)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--ff-body);font-weight:600;font-size:15px;
  padding:12px 18px;border-radius:var(--radius-sm);border:1px solid transparent;
  cursor:pointer;width:100%;transition:transform .04s ease, background .15s ease;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-700);text-decoration:none}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{background:#fff;text-decoration:none}

.field{margin-bottom:14px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--ink-700);margin-bottom:6px}
.input{
  width:100%;padding:12px 14px;font-size:15px;font-family:var(--ff-body);
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);color:var(--text);
}
.input::placeholder{color:#9aa8a0}
.input:focus,.btn:focus-visible,a:focus-visible{
  outline:3px solid rgba(231,163,61,.45);outline-offset:1px;border-color:var(--marigold-700);
}

.flash{padding:11px 14px;border-radius:var(--radius-sm);font-size:14px;margin-bottom:14px;border:1px solid}
.flash-success{background:#E9F5EE;border-color:#BFE3CE;color:#12643F}
.flash-error{background:#FBEBE6;border-color:#F1C9BC;color:#9C3620}
.flash-info{background:#FBF2DF;border-color:#EBD8A6;color:#8A6410;font-family:var(--ff-mono)}

.muted{color:var(--muted)}
.divider{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:12px;
  text-transform:uppercase;letter-spacing:.12em;margin:16px 0}
.divider::before,.divider::after{content:"";height:1px;background:var(--line);flex:1}

/* =====================================================================
   AUTH pages — two-pane
   ===================================================================== */
.auth{min-height:100dvh;display:grid;grid-template-columns:1fr}
.auth__brand{
  display:none;background:var(--ink);color:#EAF0EC;padding:44px;position:relative;overflow:hidden;
}
/* ledger rule lines */
.auth__brand::before{
  content:"";position:absolute;inset:0;opacity:.10;
  background:repeating-linear-gradient(0deg,transparent 0 30px,#EAF0EC 30px 31px);
}
.auth__brand-inner{position:relative;z-index:1;display:flex;flex-direction:column;height:100%}
.wordmark{font-family:var(--ff-display);font-weight:700;font-size:26px;letter-spacing:-.01em}
.wordmark b{color:var(--marigold)}
.auth__pitch{margin-top:auto}
.auth__pitch h2{font-family:var(--ff-display);font-size:30px;line-height:1.15;margin:0 0 10px;font-weight:600}
.auth__pitch p{color:#B9C7BF;max-width:34ch}

.auth__panel{display:flex;align-items:center;justify-content:center;padding:28px 20px}
.auth__card{width:100%;max-width:400px}
.auth__head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:22px}
.auth__head h1{font-family:var(--ff-display);font-size:24px;margin:0 0 4px;font-weight:600}
.auth__head p{margin:0;font-size:14px;color:var(--muted)}
.auth__foot{margin-top:18px;font-size:13px;color:var(--muted);text-align:center}

.otp-input{
  font-family:var(--ff-mono);font-size:28px;letter-spacing:.5em;text-align:center;
  padding-left:.5em;font-weight:600;
}

/* chooser */
.chooser{max-width:440px}
.door{
  display:flex;align-items:center;gap:14px;padding:16px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);margin-bottom:12px;box-shadow:var(--shadow-sm);
}
.door:hover{text-decoration:none;border-color:var(--marigold);transform:translateY(-1px);transition:.15s}
.door .stamp{transform:rotate(-4deg);font-size:12px;padding:8px 10px}
.door h3{margin:0;font-size:16px;font-family:var(--ff-display);color:var(--ink)}
.door p{margin:2px 0 0;font-size:13px;color:var(--muted)}
.door .go{margin-left:auto;color:var(--brand);font-weight:700}

@media(min-width:900px){
  .auth{grid-template-columns:1.05fr .95fr}
  .auth__brand{display:block}
}

/* =====================================================================
   APP shell
   ===================================================================== */
.shell{display:grid;grid-template-columns:1fr;min-height:100dvh}
.sidebar{
  position:fixed;inset:0 auto 0 0;width:264px;background:var(--ink);color:#DCE6E0;
  transform:translateX(-100%);transition:transform .22s ease;z-index:40;display:flex;flex-direction:column;
  padding:18px 14px;
}
.sidebar.open{transform:none}
.sidebar__brand{display:flex;align-items:center;gap:10px;padding:6px 8px 16px}
.sidebar__brand .mark{font-family:var(--ff-mono);font-weight:600;color:var(--marigold);
  border:1.5px solid var(--marigold);border-radius:8px;padding:4px 8px;font-size:12px;letter-spacing:.12em}
.sidebar__brand .name{font-family:var(--ff-display);font-weight:600;color:#fff}
.nav{list-style:none;margin:6px 0;padding:0;overflow:auto;flex:1}
.nav a,.nav span{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;
  color:#CBD8D1;font-size:14px;font-weight:500}
.nav a:hover{background:var(--ink-600);color:#fff;text-decoration:none}
.nav .active a,.nav a.active{background:var(--brand);color:#fff}
.nav .soon{color:#7E9488;cursor:default}
.nav .soon .tag{margin-left:auto;font-size:10px;text-transform:uppercase;letter-spacing:.1em;
  border:1px solid #3A5A4B;border-radius:6px;padding:1px 6px;color:#8AA396}
.sidebar__user{border-top:1px solid var(--ink-600);padding-top:12px;margin-top:8px}
.sidebar__user .who{display:flex;flex-direction:column;padding:4px 8px 10px}
.sidebar__user .who b{color:#fff;font-size:14px}
.sidebar__user .who span{color:#8AA396;font-size:12px;text-transform:capitalize}

.backdrop{position:fixed;inset:0;background:rgba(16,38,31,.45);z-index:30;display:none}
.backdrop.show{display:block}

.main{min-height:100dvh;display:flex;flex-direction:column}
.topbar{
  position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:12px;
  padding:12px 16px;background:rgba(243,241,233,.9);backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
.icon-btn{background:#fff;border:1px solid var(--line);border-radius:10px;width:40px;height:40px;
  display:grid;place-items:center;cursor:pointer}
.topbar h1{font-family:var(--ff-display);font-size:18px;margin:0;font-weight:600;color:var(--ink)}
.topbar .spacer{flex:1}
.chip{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:5px 6px 5px 12px;font-size:13px;font-weight:600;color:var(--ink)}
.chip .dot{width:26px;height:26px;border-radius:50%;background:var(--brand);color:#fff;
  display:grid;place-items:center;font-size:12px;font-family:var(--ff-mono)}

.content{padding:20px 16px;max-width:1100px;width:100%;margin:0 auto}
.page-intro{margin:0 0 16px}
.page-intro h2{font-family:var(--ff-display);font-size:22px;margin:0 0 4px;color:var(--ink)}
.page-intro p{margin:0;color:var(--muted)}

.cards{display:grid;grid-template-columns:1fr;gap:14px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px;box-shadow:var(--shadow-sm)}
.card h3{margin:0 0 6px;font-family:var(--ff-display);font-size:16px;color:var(--ink)}
.card p{margin:0;color:var(--muted);font-size:14px}
.stat{font-family:var(--ff-mono);font-size:26px;font-weight:600;color:var(--brand-700)}
.badge{display:inline-block;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;
  color:var(--marigold-700);background:#FBF2DF;border:1px solid #EBD8A6;border-radius:6px;padding:2px 7px}

@media(min-width:560px){ .cards{grid-template-columns:repeat(2,1fr)} }
@media(min-width:980px){
  .shell{grid-template-columns:264px 1fr}
  .sidebar{position:sticky;height:100dvh;transform:none}
  .backdrop{display:none!important}
  .topbar .menu{display:none}
  .cards{grid-template-columns:repeat(3,1fr)}
}

@media(prefers-reduced-motion:reduce){*{transition:none!important}}

/* =====================================================================
   Settings (Phase 3)
   ===================================================================== */
.tabs{display:flex;gap:6px;border-bottom:1px solid var(--line);margin-bottom:4px;overflow:auto}
.tab{padding:10px 14px;font-weight:600;font-size:14px;color:var(--muted);border-bottom:2px solid transparent;white-space:nowrap}
.tab:hover{color:var(--ink);text-decoration:none}
.tab.active{color:var(--ink);border-bottom-color:var(--marigold)}

.grid2{display:grid;grid-template-columns:1fr;gap:0 16px}
@media(min-width:640px){ .grid2{grid-template-columns:1fr 1fr} }

.btn-row{display:flex;gap:10px;max-width:280px;margin-top:6px}
.btn-row .btn{width:auto;flex:1}

.mono{font-family:var(--ff-mono)}

/* integration cards */
.int-card{display:flex;flex-direction:column;gap:8px}
.int-card:hover{text-decoration:none;border-color:var(--marigold);transform:translateY(-1px);transition:.15s}
.int-top{display:flex;align-items:center;justify-content:space-between;gap:10px}
.int-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto}
.int-foot .go{color:var(--brand);font-weight:700;font-size:14px}
.mode-tag{font-family:var(--ff-mono);font-size:10px;letter-spacing:.1em;padding:2px 7px;border-radius:6px;border:1px solid var(--line);color:var(--muted)}
.mode-live{color:var(--brand-700);border-color:#BFE3CE;background:#EAF6EF}

.status{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;
  text-transform:capitalize;padding:3px 9px;border-radius:999px;border:1px solid}
.status .s-dot{width:7px;height:7px;border-radius:50%;background:currentColor}
.status-ok{color:#12643F;background:#E9F5EE;border-color:#BFE3CE}
.status-err{color:#9C3620;background:#FBEBE6;border-color:#F1C9BC}
.status-warn{color:#8A6410;background:#FBF2DF;border-color:#EBD8A6}
.status-muted{color:#5E6E66;background:#F1EFE7;border-color:var(--line)}

/* list rows (invoice series) */
.list-row{border:1px solid var(--line);border-radius:var(--radius-sm);padding:12px 14px;margin-bottom:10px;background:#fff}
.list-row summary{display:flex;align-items:center;gap:10px;cursor:pointer;list-style:none}
.list-row summary::-webkit-details-marker{display:none}
.list-row summary b{font-family:var(--ff-display)}
.list-row summary .badge{margin-left:auto}

/* =====================================================================
   Phase 4 — Products, POS, Invoices
   ===================================================================== */
.searchbar{display:flex;gap:8px;margin-top:6px}
.searchbar .input{flex:1}

.table{width:100%;border-collapse:collapse;font-size:14px}
.table th,.table td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line-soft);vertical-align:top}
.table thead th{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);background:#FAF8F2}
.table .num{text-align:right}
.table tr:last-child td{border-bottom:0}
.table .empty,.empty{padding:22px;text-align:center;color:var(--muted)}
.table .low{color:var(--brick);font-weight:700}
.check{display:inline-flex;gap:8px;align-items:center;margin:4px 16px 0 0;font-size:14px;color:var(--ink-700)}

/* POS */
.pos{display:grid;grid-template-columns:1fr;gap:14px}
.pos-results{margin-top:10px;display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px}
.prod{display:flex;flex-direction:column;gap:2px;align-items:flex-start;text-align:left;background:#fff;
  border:1px solid var(--line);border-radius:10px;padding:10px;cursor:pointer}
.prod:hover{border-color:var(--marigold)}
.prod .pn{font-weight:600;font-size:13px;line-height:1.25}
.prod .pp{font-family:var(--ff-mono);color:var(--brand-700);font-weight:600}
.prod .ps{font-size:11px;color:var(--muted)}
.pos-right{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px;display:flex;flex-direction:column;gap:12px}
.cart{display:flex;flex-direction:column;gap:8px;max-height:40vh;overflow:auto}
.ci{border:1px solid var(--line-soft);border-radius:10px;padding:8px 10px}
.ci-top{display:flex;justify-content:space-between;gap:8px;font-size:14px}
.ci-top .rm{border:0;background:none;color:var(--brick);cursor:pointer;font-size:14px}
.ci-row{display:flex;align-items:center;gap:8px;margin-top:6px}
.qty{display:flex;align-items:center;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.qty button{width:30px;height:32px;border:0;background:#F4F1EA;cursor:pointer;font-size:16px}
.qty input{width:44px;border:0;text-align:center;font-family:var(--ff-mono)}
.disc{width:66px;padding:6px;border:1px solid var(--line);border-radius:8px;font-family:var(--ff-mono);text-align:right}
.ci-row .lt{margin-left:auto;font-family:var(--ff-mono);font-weight:600}
.totals{border-top:1px dashed var(--line);padding-top:10px;display:flex;flex-direction:column;gap:4px}
.trow{display:flex;justify-content:space-between;font-size:14px}
.trow.grand{font-size:18px;border-top:1px solid var(--line);margin-top:6px;padding-top:8px}
.trow.grand b{color:var(--brand-700);font-family:var(--ff-mono)}
.pay-methods{display:flex;gap:6px;flex-wrap:wrap}
.pm{flex:1;min-width:60px;padding:9px;border:1px solid var(--line);border-radius:8px;background:#fff;cursor:pointer;font-weight:600;font-size:13px}
.pm.active{background:var(--ink);color:#fff;border-color:var(--ink)}
@media(min-width:900px){ .pos{grid-template-columns:1.4fr 1fr;align-items:start} }

/* on-screen invoice */
.inv-screen .inv{max-width:760px;margin:0 auto}
.inv-co{font-family:var(--ff-display);font-size:20px;font-weight:700;color:var(--ink)}
.inv-head{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.inv-meta{text-align:right}
.inv-title{font-family:var(--ff-display);font-weight:700;color:var(--marigold-700);letter-spacing:.05em}
.inv-bill{display:flex;justify-content:space-between;gap:16px;margin:14px 0;flex-wrap:wrap}
.inv-bill .right{text-align:right}
.inv-table{width:100%;border-collapse:collapse;font-size:13px;margin-top:6px}
.inv-table th,.inv-table td{padding:7px 8px;border-bottom:1px solid var(--line-soft)}
.inv-table thead th{background:#FAF8F2;text-align:left;font-size:11px;text-transform:uppercase;color:var(--muted)}
.inv-table .num{text-align:right;font-family:var(--ff-mono)}
.inv-tot{margin-top:12px;margin-left:auto;max-width:280px}
.inv-tot .row{display:flex;justify-content:space-between;padding:3px 0;font-size:14px}
.inv-tot .grand{border-top:1px solid var(--line);margin-top:6px;padding-top:8px;font-size:18px}
.inv-tot .grand b{color:var(--brand-700);font-family:var(--ff-mono)}
.small{font-size:12px}

/* purchase multi-item table */
.pu-table td,.pu-table th{padding:6px 8px}
.pu-table .rm{border:0;background:none;color:var(--brick);cursor:pointer;font-size:14px}
.adjust{display:flex;gap:6px;align-items:center;flex-wrap:wrap}

/* inline link-style button (delete/enable toggles) */
.linkbtn{background:none;border:0;color:var(--brand);cursor:pointer;font:inherit;padding:0 4px}
.linkbtn:hover{text-decoration:underline}
.check{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--muted)}

/* report stat cards */
.stat-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-bottom:6px}
.stat-cards .sc{padding:14px 16px}
.stat-cards .stat{font-size:22px;font-weight:700;font-family:var(--ff-display,inherit)}
@media(min-width:720px){.stat-cards{grid-template-columns:repeat(4,1fr)}}

/* POS bill-level discount + per-item discount type */
.bill-disc{display:flex;align-items:center;gap:8px;margin:8px 0}
.bill-disc label{font-size:13px;color:var(--muted);min-width:90px}
.bill-disc .input{flex:1}
.ci-row .disc-t{width:52px;padding:6px;border:1px solid var(--line);border-radius:8px}