/* Kay Lighting ERP — design system
   Serious B2B distribution-ERP aesthetic: navy rail, slate UI, restrained brass accent,
   dense data tables, tabular figures. No gradients, no playful rounding. */

:root {
  --navy-900: #0d1b2a;
  --navy-800: #15263a;
  --navy-700: #1d3550;
  --rail: #11243a;
  --rail-hover: #1b3551;
  --rail-active: #234567;
  --ink: #1a2230;
  --ink-soft: #51607a;
  --ink-faint: #8794a8;
  --line: #e2e7ee;
  --line-strong: #cdd5e0;
  --bg: #f4f6f9;
  --panel: #ffffff;
  --panel-alt: #f8fafc;
  --brass: #b8862b;
  --brass-soft: #f3e9d4;
  --blue: #1f5fa6;
  --blue-soft: #e7f0fa;
  --green: #1f7a4d;
  --green-soft: #e3f3ea;
  --amber: #9a6a00;
  --amber-soft: #fbf0d6;
  --red: #b23b3b;
  --red-soft: #fbe6e6;
  --gray-soft: #eef1f5;
  --shadow: 0 1px 2px rgba(16, 31, 51, .06), 0 1px 3px rgba(16, 31, 51, .08);
  --radius: 5px;
  --mono: "SFMono-Regular", ui-monospace, "Cascadia Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; }
body {
  font-family: var(--sans);
  font-size: 13px;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  line-height: 1.45;
}
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
.num { font-variant-numeric: tabular-nums; font-feature-settings: "tnum"; }

/* ---- layout ------------------------------------------------------------- */
.app { display: grid; grid-template-columns: 232px 1fr; grid-template-rows: 52px 1fr; height: 100vh; }
.rail { grid-row: 1 / 3; background: var(--rail); color: #c4d2e4; display: flex; flex-direction: column; overflow: hidden; }
.topbar { grid-column: 2; background: var(--panel); border-bottom: 1px solid var(--line); display: flex; align-items: center; gap: 16px; padding: 0 20px; }
.main { grid-column: 2; overflow-y: auto; padding: 20px 24px 56px; }

/* ---- rail / brand ------------------------------------------------------- */
.brand { display: flex; align-items: center; gap: 10px; padding: 14px 16px 12px; border-bottom: 1px solid rgba(255,255,255,.07); }
.brand .mark { width: 30px; height: 30px; flex: 0 0 30px; }
.brand .name { font-size: 14px; font-weight: 700; color: #fff; letter-spacing: .2px; line-height: 1.1; }
.brand .sub { font-size: 10px; color: #7d93ad; letter-spacing: .6px; text-transform: uppercase; }

.nav { flex: 1; overflow-y: auto; padding: 8px 0; }
.nav-group { padding: 12px 18px 4px; font-size: 10px; letter-spacing: .9px; text-transform: uppercase; color: #61789a; }
.nav a {
  display: flex; align-items: center; gap: 10px; padding: 7px 18px; color: #b9c8db;
  font-size: 12.5px; border-left: 3px solid transparent; cursor: pointer;
}
.nav a:hover { background: var(--rail-hover); text-decoration: none; color: #fff; }
.nav a.active { background: var(--rail-active); color: #fff; border-left-color: var(--brass); font-weight: 600; }
.nav a .ico { width: 16px; height: 16px; flex: 0 0 16px; opacity: .85; }
.nav a .badge { margin-left: auto; background: rgba(255,255,255,.12); color: #d8e4f1; font-size: 10.5px; padding: 1px 6px; border-radius: 9px; font-variant-numeric: tabular-nums; }
.rail-foot { padding: 10px 18px; border-top: 1px solid rgba(255,255,255,.07); font-size: 10.5px; color: #6f859f; }

/* ---- topbar ------------------------------------------------------------- */
.crumb { font-size: 12px; color: var(--ink-soft); }
.crumb b { color: var(--ink); font-weight: 600; }
.search { margin-left: auto; position: relative; }
.search input {
  width: 320px; padding: 7px 10px 7px 30px; border: 1px solid var(--line-strong); border-radius: var(--radius);
  font-size: 12.5px; background: var(--panel-alt); color: var(--ink);
}
.search input:focus { outline: none; border-color: var(--blue); background: #fff; }
.search svg { position: absolute; left: 9px; top: 8px; color: var(--ink-faint); }
.topbar .co { display: flex; align-items: center; gap: 7px; font-size: 12px; color: var(--ink-soft); padding-right: 14px; border-right: 1px solid var(--line); }
.topbar .co b { color: var(--ink); }
.topbar .user { display: flex; align-items: center; gap: 8px; }
.topbar .avatar { width: 28px; height: 28px; border-radius: 50%; background: var(--navy-800); color: #fff; display: grid; place-items: center; font-size: 11px; font-weight: 600; }

/* ---- page header -------------------------------------------------------- */
.page-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 16px; gap: 16px; flex-wrap: wrap; }
.page-head h1 { font-size: 19px; margin: 0 0 2px; font-weight: 700; letter-spacing: -.2px; }
.page-head .desc { font-size: 12.5px; color: var(--ink-soft); margin: 0; }
.page-actions { display: flex; gap: 8px; }

/* ---- buttons ------------------------------------------------------------ */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 7px 13px; border: 1px solid var(--line-strong); background: #fff; color: var(--ink); border-radius: var(--radius); font-size: 12.5px; font-weight: 500; cursor: pointer; font-family: inherit; }
.btn:hover { background: var(--panel-alt); border-color: var(--ink-faint); }
.btn.primary { background: var(--navy-800); border-color: var(--navy-800); color: #fff; }
.btn.primary:hover { background: var(--navy-900); }
.btn.brass { background: var(--brass); border-color: var(--brass); color: #fff; }
.btn.brass:hover { filter: brightness(.95); }
.btn.sm { padding: 4px 9px; font-size: 11.5px; }

/* ---- KPI cards ---------------------------------------------------------- */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; margin-bottom: 18px; }
.kpi { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 15px; box-shadow: var(--shadow); }
.kpi .label { font-size: 11px; color: var(--ink-soft); text-transform: uppercase; letter-spacing: .5px; margin-bottom: 7px; display: flex; align-items: center; gap: 6px; }
.kpi .val { font-size: 23px; font-weight: 700; letter-spacing: -.5px; font-variant-numeric: tabular-nums; }
.kpi .meta { font-size: 11.5px; color: var(--ink-faint); margin-top: 3px; }
.kpi .meta.up { color: var(--green); }
.kpi .meta.down { color: var(--red); }
.kpi .accent { width: 28px; height: 3px; border-radius: 2px; background: var(--brass); margin-top: 10px; }

/* ---- panels / cards ----------------------------------------------------- */
.grid { display: grid; gap: 16px; }
.grid.c2 { grid-template-columns: 1fr 1fr; }
.grid.c3 { grid-template-columns: 2fr 1fr; }
@media (max-width: 1100px){ .grid.c2, .grid.c3 { grid-template-columns: 1fr; } }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); margin-bottom: 16px; }
.card-head { display: flex; align-items: center; justify-content: space-between; padding: 12px 15px; border-bottom: 1px solid var(--line); }
.card-head h2 { font-size: 13.5px; margin: 0; font-weight: 700; }
.card-head .link { font-size: 12px; }
.card-body { padding: 14px 15px; }
.card-body.flush { padding: 0; }

/* ---- toolbar / filters -------------------------------------------------- */
.toolbar { display: flex; align-items: center; gap: 8px; padding: 10px 12px; border-bottom: 1px solid var(--line); background: var(--panel-alt); flex-wrap: wrap; }
.toolbar input[type=text], .toolbar select { padding: 6px 9px; border: 1px solid var(--line-strong); border-radius: var(--radius); font-size: 12px; background: #fff; font-family: inherit; }
.toolbar input[type=text] { min-width: 210px; }
.toolbar .spacer { flex: 1; }
.toolbar .count { font-size: 12px; color: var(--ink-soft); }
.chip-row { display: inline-flex; gap: 4px; }
.chip { padding: 5px 11px; border: 1px solid var(--line-strong); background: #fff; border-radius: 20px; font-size: 11.5px; cursor: pointer; color: var(--ink-soft); }
.chip:hover { border-color: var(--ink-faint); }
.chip.on { background: var(--navy-800); border-color: var(--navy-800); color: #fff; font-weight: 600; }

/* ---- tables ------------------------------------------------------------- */
table.data { width: 100%; border-collapse: collapse; font-size: 12.5px; }
table.data thead th {
  text-align: left; padding: 9px 12px; font-size: 10.5px; letter-spacing: .5px; text-transform: uppercase;
  color: var(--ink-soft); border-bottom: 1px solid var(--line-strong); background: var(--panel-alt); white-space: nowrap; position: sticky; top: 0; cursor: pointer; user-select: none;
}
table.data thead th.r, table.data td.r { text-align: right; }
table.data thead th .arr { color: var(--brass); margin-left: 3px; }
table.data tbody td { padding: 9px 12px; border-bottom: 1px solid var(--line); white-space: nowrap; }
table.data tbody tr { cursor: pointer; }
table.data tbody tr:hover { background: var(--blue-soft); }
table.data td.num, table.data th.num { font-variant-numeric: tabular-nums; text-align: right; }
table.data td .mono { font-family: var(--mono); font-size: 11.5px; color: var(--ink); }
table.data td.strong { font-weight: 600; }
table.data .muted { color: var(--ink-faint); }
table.data tbody tr.subrow td { background: var(--panel-alt); }
.empty { padding: 32px; text-align: center; color: var(--ink-faint); font-size: 13px; }

/* ---- badges ------------------------------------------------------------- */
.badge { display: inline-flex; align-items: center; gap: 5px; padding: 2px 9px; border-radius: 20px; font-size: 11px; font-weight: 600; border: 1px solid transparent; white-space: nowrap; }
.badge .dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.b-green { background: var(--green-soft); color: var(--green); }
.b-blue  { background: var(--blue-soft); color: var(--blue); }
.b-amber { background: var(--amber-soft); color: var(--amber); }
.b-red   { background: var(--red-soft); color: var(--red); }
.b-gray  { background: var(--gray-soft); color: var(--ink-soft); }
.b-brass { background: var(--brass-soft); color: var(--brass); }

/* ---- detail drawer ------------------------------------------------------ */
.drawer-scrim { position: fixed; inset: 0; background: rgba(13,27,42,.38); z-index: 40; opacity: 0; pointer-events: none; transition: opacity .15s; }
.drawer-scrim.open { opacity: 1; pointer-events: auto; }
.drawer { position: fixed; top: 0; right: 0; height: 100vh; width: 760px; max-width: 94vw; background: var(--bg); z-index: 41; box-shadow: -8px 0 28px rgba(13,27,42,.18); transform: translateX(100%); transition: transform .18s ease; display: flex; flex-direction: column; }
.drawer.open { transform: translateX(0); }
.drawer-head { background: var(--panel); border-bottom: 1px solid var(--line); padding: 16px 20px; display: flex; align-items: flex-start; gap: 14px; }
.drawer-head .x { margin-left: auto; cursor: pointer; color: var(--ink-faint); font-size: 20px; line-height: 1; background: none; border: none; }
.drawer-head h2 { margin: 0; font-size: 17px; }
.drawer-head .sub { font-size: 12.5px; color: var(--ink-soft); margin-top: 2px; }
.drawer-body { overflow-y: auto; padding: 18px 20px 40px; flex: 1; }

/* ---- definition grids --------------------------------------------------- */
.dl { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px,1fr)); gap: 12px 22px; }
.dl .f { font-size: 12.5px; }
.dl .f .k { color: var(--ink-soft); font-size: 11px; text-transform: uppercase; letter-spacing: .4px; margin-bottom: 2px; }
.dl .f .v { font-weight: 600; }
.dl .f .v.mono { font-family: var(--mono); font-weight: 500; font-size: 12px; }

.section-title { font-size: 11px; letter-spacing: .6px; text-transform: uppercase; color: var(--ink-soft); margin: 22px 0 8px; font-weight: 700; border-bottom: 1px solid var(--line); padding-bottom: 5px; }

/* ---- progress bar ------------------------------------------------------- */
.bar { height: 7px; border-radius: 4px; background: var(--gray-soft); overflow: hidden; min-width: 70px; display: inline-block; vertical-align: middle; width: 90px; }
.bar > span { display: block; height: 100%; background: var(--blue); }
.bar.green > span { background: var(--green); }
.bar.brass > span { background: var(--brass); }

/* ---- charts (SVG) ------------------------------------------------------- */
.chart { width: 100%; }
.legend { display: flex; gap: 16px; font-size: 11.5px; color: var(--ink-soft); margin-top: 8px; }
.legend i { width: 10px; height: 10px; border-radius: 2px; display: inline-block; margin-right: 5px; vertical-align: middle; }

/* ---- aging buckets ------------------------------------------------------ */
.aging { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; }
.aging .b { border: 1px solid var(--line); border-radius: var(--radius); padding: 12px; text-align: center; }
.aging .b .k { font-size: 11px; color: var(--ink-soft); text-transform: uppercase; letter-spacing: .4px; }
.aging .b .v { font-size: 17px; font-weight: 700; margin-top: 5px; font-variant-numeric: tabular-nums; }
.aging .b.warn { background: var(--amber-soft); border-color: #ecd9a8; }
.aging .b.bad { background: var(--red-soft); border-color: #eecaca; }

/* ---- misc --------------------------------------------------------------- */
.flex { display: flex; align-items: center; gap: 8px; }
.between { justify-content: space-between; }
.right { text-align: right; }
.muted { color: var(--ink-faint); }
.tiny { font-size: 11px; }
.tag-list { display: flex; flex-wrap: wrap; gap: 6px; }
hr.soft { border: none; border-top: 1px solid var(--line); margin: 16px 0; }
.toast { position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%) translateY(20px); background: var(--navy-900); color: #fff; padding: 11px 18px; border-radius: 6px; font-size: 13px; z-index: 60; opacity: 0; transition: all .2s; box-shadow: 0 6px 20px rgba(13,27,42,.3); }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.banner { background: var(--brass-soft); border: 1px solid #e7d4a6; color: #6b4e12; border-radius: var(--radius); padding: 9px 13px; font-size: 12px; margin-bottom: 16px; display: flex; gap: 8px; align-items: center; }