/* ==========================================================================
   CoreWorks POS — design system
   --------------------------------------------------------------------------
   Deliberately hand-written and scoped rather than pulled from a framework.
   Target hardware is a 2 GB RAM PC, so this file carries no dependency, no
   build step, and no runtime cost beyond parsing ~10 KB of CSS.

   Everything is driven by custom properties so the shell can be re-themed
   without touching component rules.
   ========================================================================== */

:root{
  /* Ground + surfaces — cool neutrals biased toward the accent, not pure grey */
  --cw-app-bg:#F4F6F9;
  --cw-surface:#FFFFFF;
  --cw-surface-2:#EDF1F6;
  --cw-line:#DCE3EC;
  --cw-line-soft:#E9EEF4;

  /* Ink */
  --cw-ink:#141A22;
  --cw-ink-2:#4A5666;
  --cw-ink-3:#78859A;

  /* Rail (sidebar) — near-black slate, easier on the eyes across a full shift */
  --cw-rail:#111823;
  --cw-rail-2:#18212E;
  --cw-rail-line:#232E3D;
  --cw-rail-ink:#AEBACA;
  --cw-rail-ink-2:#6E7C8F;
  --cw-rail-ink-hi:#F2F5F9;

  /* Accent — a precise teal. Reads as infrastructure rather than
     generic SaaS blue, and holds contrast on both rail and surface. */
  --cw-accent:#0E7C8A;
  --cw-accent-hi:#15A0B2;
  --cw-accent-soft:#E2F1F3;
  --cw-accent-rail:#22C1D6;

  /* Semantic — separate from the accent so state never reads as branding */
  --cw-pos:#1C7A4E;
  --cw-pos-soft:#E4F2EA;
  --cw-neg:#A32A1E;
  --cw-neg-soft:#F9E8E6;
  --cw-warn:#8A5B10;
  --cw-warn-soft:#FBF1DE;

  --cw-rail-w:248px;
  --cw-rail-w-collapsed:64px;

  --cw-mono:ui-monospace,"SF Mono","Cascadia Code",Consolas,monospace;
  --cw-sans:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;

  --cw-r:6px;
  --cw-shadow:0 1px 2px rgba(16,24,40,.05);
  --cw-shadow-2:0 4px 12px rgba(16,24,40,.09);
}

/* ==========================================================================
   Sidebar rail
   ========================================================================== */
.cw-rail{
  width:var(--cw-rail-w);
  flex:0 0 var(--cw-rail-w);
  background:var(--cw-rail);
  color:var(--cw-rail-ink);
  display:flex;
  flex-direction:column;
  height:100%;
  font-family:var(--cw-sans);
  border-right:1px solid var(--cw-rail-line);
}

.cw-brand{
  display:flex;align-items:center;gap:10px;
  padding:14px 16px;
  border-bottom:1px solid var(--cw-rail-line);
  text-decoration:none;
  flex-shrink:0;
  min-height:56px;
}
.cw-brand:hover,.cw-brand:focus{text-decoration:none;}
.cw-brand-mark{
  width:28px;height:28px;border-radius:5px;flex-shrink:0;
  background:linear-gradient(160deg,var(--cw-accent-rail),var(--cw-accent));
  display:flex;align-items:center;justify-content:center;
  color:#04121A;font-weight:800;font-size:13px;letter-spacing:-.02em;
}
.cw-brand-text{min-width:0;line-height:1.2;}
.cw-brand-name{
  display:block;color:var(--cw-rail-ink-hi);font-size:13.5px;font-weight:600;
  letter-spacing:-.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.cw-brand-sub{
  display:block;color:var(--cw-rail-ink-2);font-size:10.5px;
  font-family:var(--cw-mono);letter-spacing:.08em;text-transform:uppercase;margin-top:1px;
}

/* Scroll region ---------------------------------------------------------- */
.cw-nav{
  flex:1 1 auto;
  overflow-y:auto;
  overflow-x:hidden;
  padding:8px 8px 20px;
  /* thin scrollbar keeps the rail from feeling chunky */
  scrollbar-width:thin;
  scrollbar-color:var(--cw-rail-line) transparent;
}
.cw-nav::-webkit-scrollbar{width:8px;}
.cw-nav::-webkit-scrollbar-thumb{background:var(--cw-rail-line);border-radius:4px;}
.cw-nav::-webkit-scrollbar-track{background:transparent;}

/* Section header --------------------------------------------------------- */
.cw-nav-header{
  padding:14px 10px 6px;
  font-family:var(--cw-mono);
  font-size:10px;letter-spacing:.13em;text-transform:uppercase;
  color:var(--cw-rail-ink-2);font-weight:600;
}
.cw-nav-divider{height:1px;background:var(--cw-rail-line);margin:8px 10px;}

/* Item ------------------------------------------------------------------- */
.cw-item{
  display:flex;align-items:center;gap:10px;
  padding:8px 10px;
  border-radius:var(--cw-r);
  color:var(--cw-rail-ink);
  font-size:13.5px;font-weight:500;letter-spacing:-.005em;
  text-decoration:none;
  line-height:1.3;
  position:relative;
}
.cw-item:hover,.cw-item:focus{
  background:var(--cw-rail-2);color:var(--cw-rail-ink-hi);text-decoration:none;
}
.cw-item:focus-visible{outline:2px solid var(--cw-accent-rail);outline-offset:-2px;}
.cw-item > i,.cw-item > svg{
  width:17px;flex-shrink:0;text-align:center;font-size:14px;
  color:var(--cw-rail-ink-2);
}
.cw-item:hover > i,.cw-item:hover > svg{color:var(--cw-rail-ink);}
.cw-item-label{
  flex:1 1 auto;min-width:0;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}

/* Active: a left marker rather than a filled block — reads at a glance
   without shouting, and survives long labels. */
.cw-item.is-active{
  background:var(--cw-rail-2);
  color:var(--cw-rail-ink-hi);
  font-weight:600;
}
.cw-item.is-active::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;
  width:3px;border-radius:0 2px 2px 0;background:var(--cw-accent-rail);
}
.cw-item.is-active > i,.cw-item.is-active > svg{color:var(--cw-accent-rail);}

/* Dropdown parent -------------------------------------------------------- */
.cw-group{margin-bottom:1px;}
.cw-caret{
  width:14px;height:14px;flex-shrink:0;color:var(--cw-rail-ink-2);
  transition:transform .15s ease;
}
.cw-group.is-open > .cw-item .cw-caret{transform:rotate(90deg);}
.cw-group.is-open > .cw-item{color:var(--cw-rail-ink-hi);}

/* Children --------------------------------------------------------------- */
.cw-sub{
  display:none;
  margin:2px 0 6px 20px;
  padding-left:12px;
  border-left:1px solid var(--cw-rail-line);
}
.cw-group.is-open > .cw-sub{display:block;}
.cw-sub-item{
  display:flex;align-items:center;gap:8px;
  padding:6px 8px;border-radius:5px;
  color:var(--cw-rail-ink-2);
  font-size:12.5px;font-weight:500;
  text-decoration:none;line-height:1.3;
}
.cw-sub-item:hover,.cw-sub-item:focus{color:var(--cw-rail-ink-hi);background:var(--cw-rail-2);text-decoration:none;}
.cw-sub-item:focus-visible{outline:2px solid var(--cw-accent-rail);outline-offset:-2px;}
.cw-sub-item.is-active{color:var(--cw-accent-rail);font-weight:600;}
.cw-sub-item > i,.cw-sub-item > svg{width:13px;flex-shrink:0;font-size:11px;opacity:.8;}
.cw-sub-label{min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}

@media (prefers-reduced-motion:reduce){
  .cw-caret{transition:none;}
}

/* ==========================================================================
   Dashboard
   ========================================================================== */
.cw-dash{font-family:var(--cw-sans);color:var(--cw-ink);padding:18px 20px 40px;}

.cw-dash-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:16px;flex-wrap:wrap;margin-bottom:18px;
}
.cw-dash-title{margin:0;font-size:21px;font-weight:650;letter-spacing:-.02em;line-height:1.2;}
.cw-dash-sub{margin:3px 0 0;font-size:13px;color:var(--cw-ink-3);}
.cw-dash-tools{display:flex;gap:8px;align-items:center;flex-wrap:wrap;}

/* KPI grid --------------------------------------------------------------- */
.cw-kpis{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(190px,1fr));
  gap:12px;margin-bottom:16px;
}
.cw-kpi{
  background:var(--cw-surface);
  border:1px solid var(--cw-line);
  border-radius:var(--cw-r);
  padding:14px 15px;
  box-shadow:var(--cw-shadow);
  min-width:0;
}
.cw-kpi-k{
  display:flex;align-items:center;gap:7px;
  font-size:11.5px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;
  color:var(--cw-ink-3);margin-bottom:9px;
}
.cw-kpi-k .dot{width:7px;height:7px;border-radius:50%;flex-shrink:0;}
.cw-kpi-v{
  font-size:23px;font-weight:640;letter-spacing:-.025em;line-height:1.1;
  font-variant-numeric:tabular-nums;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.cw-kpi-m{font-size:12px;color:var(--cw-ink-3);margin-top:5px;}

/* Skeleton: sized to the real value so nothing shifts when data lands */
.cw-sk{
  display:inline-block;height:1em;width:92px;border-radius:3px;
  background:var(--cw-surface-2);vertical-align:middle;
}

/* Panels ----------------------------------------------------------------- */
.cw-grid{display:grid;gap:12px;grid-template-columns:repeat(12,1fr);}
.cw-col-8{grid-column:span 8;}
.cw-col-6{grid-column:span 6;}
.cw-col-4{grid-column:span 4;}
.cw-col-12{grid-column:span 12;}
@media (max-width:1100px){
  .cw-col-8,.cw-col-6,.cw-col-4{grid-column:span 12;}
}

.cw-panel{
  background:var(--cw-surface);
  border:1px solid var(--cw-line);
  border-radius:var(--cw-r);
  box-shadow:var(--cw-shadow);
  display:flex;flex-direction:column;min-width:0;
}
.cw-panel-head{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:12px 15px;border-bottom:1px solid var(--cw-line-soft);
}
.cw-panel-title{margin:0;font-size:14px;font-weight:620;letter-spacing:-.01em;}
.cw-panel-body{padding:14px 15px;flex:1 1 auto;min-width:0;}
.cw-panel-body.flush{padding:0;}

/* Table ------------------------------------------------------------------ */
.cw-tw{overflow-x:auto;}
.cw-table{width:100%;border-collapse:collapse;font-size:13px;}
.cw-table th{
  text-align:left;padding:9px 15px;
  font-size:10.5px;letter-spacing:.07em;text-transform:uppercase;
  color:var(--cw-ink-3);font-weight:600;
  background:var(--cw-surface-2);white-space:nowrap;
  position:sticky;top:0;z-index:1;
}
.cw-table td{padding:9px 15px;border-bottom:1px solid var(--cw-line-soft);vertical-align:middle;}
.cw-table tr:last-child td{border-bottom:none;}
.cw-table tbody tr:hover{background:var(--cw-surface-2);}
.cw-num{font-variant-numeric:tabular-nums;text-align:right;white-space:nowrap;}

/* Empty state ------------------------------------------------------------ */
.cw-empty{
  padding:26px 16px;text-align:center;color:var(--cw-ink-3);font-size:13px;
}
.cw-empty svg{display:block;margin:0 auto 8px;opacity:.4;}

/* Badges ----------------------------------------------------------------- */
.cw-badge{
  display:inline-block;padding:2px 7px;border-radius:3px;
  font-size:11px;font-weight:600;letter-spacing:.02em;white-space:nowrap;
}
.cw-badge.pos{background:var(--cw-pos-soft);color:var(--cw-pos);}
.cw-badge.neg{background:var(--cw-neg-soft);color:var(--cw-neg);}
.cw-badge.warn{background:var(--cw-warn-soft);color:var(--cw-warn);}
.cw-badge.mut{background:var(--cw-surface-2);color:var(--cw-ink-2);}

/* Buttons ---------------------------------------------------------------- */
.cw-btn{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 11px;border-radius:5px;border:1px solid var(--cw-line);
  background:var(--cw-surface);color:var(--cw-ink-2);
  font-size:12.5px;font-weight:550;cursor:pointer;text-decoration:none;
  font-family:inherit;line-height:1.4;
}
.cw-btn:hover{background:var(--cw-surface-2);color:var(--cw-ink);text-decoration:none;}
.cw-btn:focus-visible{outline:2px solid var(--cw-accent);outline-offset:1px;}
.cw-btn.primary{background:var(--cw-accent);border-color:var(--cw-accent);color:#fff;}
.cw-btn.primary:hover{background:var(--cw-accent-hi);color:#fff;}

.cw-select{
  padding:6px 10px;border-radius:5px;border:1px solid var(--cw-line);
  background:var(--cw-surface);color:var(--cw-ink);font-size:12.5px;
  font-family:inherit;max-width:220px;
}
.cw-select:focus-visible{outline:2px solid var(--cw-accent);outline-offset:1px;}

/* Chart ------------------------------------------------------------------ */
.cw-chart{width:100%;height:200px;display:block;}
.cw-chart-legend{
  display:flex;gap:14px;flex-wrap:wrap;
  font-size:11.5px;color:var(--cw-ink-3);padding:0 15px 12px;
}
.cw-chart-legend span{display:flex;align-items:center;gap:5px;}
.cw-chart-legend i{width:9px;height:2px;border-radius:1px;display:inline-block;}

/* Quick actions ---------------------------------------------------------- */
.cw-actions{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:8px;}
.cw-action{
  display:flex;flex-direction:column;gap:6px;
  padding:12px;border:1px solid var(--cw-line);border-radius:var(--cw-r);
  background:var(--cw-surface);color:var(--cw-ink-2);
  text-decoration:none;font-size:12.5px;font-weight:550;
}
.cw-action:hover{border-color:var(--cw-accent);color:var(--cw-accent);text-decoration:none;background:var(--cw-accent-soft);}
.cw-action:focus-visible{outline:2px solid var(--cw-accent);outline-offset:1px;}
.cw-action i{font-size:15px;color:var(--cw-accent);}

@media (max-width:640px){
  .cw-dash{padding:14px 12px 32px;}
  .cw-kpi-v{font-size:20px;}
}

/* ==========================================================================
   Dashboard v2 — patterned on the reference boards
   ========================================================================== */

/* Greeting header ---------------------------------------------------------- */
.cw-greet{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:16px;}
.cw-greet h1{margin:0;font-size:22px;font-weight:650;letter-spacing:-.025em;line-height:1.2;}
.cw-greet .who{color:var(--cw-accent);}
.cw-greet .sub{margin:4px 0 0;font-size:12.5px;color:var(--cw-ink-3);display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.cw-sync{display:inline-flex;align-items:center;gap:5px;color:var(--cw-pos);font-weight:550;}
.cw-sync .pip{width:6px;height:6px;border-radius:50%;background:var(--cw-pos);}

/* KPI card with a colour rail on top — the reference boards' key device.
   The rail encodes which metric family a card belongs to, so the row is
   scannable without reading the labels. */
.cw-kpi{position:relative;overflow:hidden;}
.cw-kpi::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--rail,var(--cw-accent));}
.cw-kpi.r-rev{--rail:#0E7C8A;}
.cw-kpi.r-ord{--rail:#C98A16;}
.cw-kpi.r-cust{--rail:#6D5BD0;}
.cw-kpi.r-due{--rail:#A32A1E;}
.cw-kpi.r-net{--rail:#1C7A4E;}

.cw-delta{display:inline-flex;align-items:center;gap:4px;font-size:12px;font-weight:600;}
.cw-delta.up{color:var(--cw-pos);}
.cw-delta.down{color:var(--cw-neg);}
.cw-delta.flat{color:var(--cw-ink-3);}

/* Alert card — dashed edge marks it as advisory, not a metric */
.cw-alert{
  background:var(--cw-accent-soft);border:1.5px dashed var(--cw-accent);
  border-radius:var(--cw-r);padding:13px 15px;
}
.cw-alert .t{font-size:11.5px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--cw-accent);margin-bottom:6px;}
.cw-alert .m{font-size:14.5px;font-weight:620;color:var(--cw-ink);line-height:1.3;}
.cw-alert .d{font-size:12.5px;color:var(--cw-ink-2);margin-top:3px;}
.cw-alert a{font-size:12.5px;font-weight:600;color:var(--cw-accent);display:inline-block;margin-top:7px;}

/* Bar chart — bars read better than a line for "which day was best" */
.cw-bars{display:flex;align-items:flex-end;gap:10px;height:190px;padding:8px 4px 0;}
.cw-bar{flex:1 1 0;display:flex;flex-direction:column;align-items:center;gap:6px;min-width:0;height:100%;justify-content:flex-end;}
.cw-bar-fill{
  width:100%;max-width:54px;border-radius:4px 4px 0 0;
  background:linear-gradient(180deg,var(--cw-accent-hi),var(--cw-accent));
  min-height:3px;position:relative;
}
.cw-bar.is-peak .cw-bar-fill{background:linear-gradient(180deg,#0E7C8A,#0A5C66);}
.cw-bar-lab{font-size:11.5px;color:var(--cw-ink-3);white-space:nowrap;}
.cw-bar.is-peak .cw-bar-lab{color:var(--cw-accent);font-weight:650;}
.cw-bar-val{
  font-size:10.5px;color:var(--cw-ink-2);font-variant-numeric:tabular-nums;
  white-space:nowrap;
}

/* Ranked list with proportion bars */
.cw-rank{list-style:none;margin:0;padding:0;}
.cw-rank li{padding:9px 0;border-bottom:1px solid var(--cw-line-soft);}
.cw-rank li:last-child{border-bottom:none;}
.cw-rank .row1{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-bottom:6px;}
.cw-rank .nm{font-size:13.5px;font-weight:550;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.cw-rank .nm b{color:var(--cw-ink-3);font-weight:600;margin-right:5px;}
.cw-rank .qty{font-size:12.5px;color:var(--cw-ink-2);font-variant-numeric:tabular-nums;white-space:nowrap;}
.cw-rank .track{height:6px;background:var(--cw-surface-2);border-radius:3px;overflow:hidden;}
.cw-rank .bar{height:100%;background:var(--cw-accent);border-radius:3px;}

/* Status pills */
.cw-pill{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;border-radius:11px;font-size:11.5px;font-weight:600;white-space:nowrap;}
.cw-pill.paid{background:var(--cw-pos-soft);color:var(--cw-pos);}
.cw-pill.due{background:var(--cw-warn-soft);color:var(--cw-warn);}
.cw-pill.part{background:var(--cw-accent-soft);color:var(--cw-accent);}
.cw-pill.canc{background:var(--cw-neg-soft);color:var(--cw-neg);}