:root {
  --bg: #F5F6F4;
  --surface: #FFFFFF;
  --border: #D8DBD6;
  --text: #1E2320;
  --text-muted: #62685F;
  --accent: #0F6E56;
  --accent-light: #E1F5EE;
  --warn: #854F0B;
  --warn-light: #FAEEDA;
  --danger: #791F1F;
  --danger-light: #FCEBEB;
  --ok: #27500A;
  --ok-light: #EAF3DE;
  --mono: "IBM Plex Mono", "SF Mono", Consolas, monospace;
  --sans: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
}

header.topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  height: 56px;
  gap: 28px;
}

header.topbar .brand {
  font-weight: 600;
  font-size: 15px;
  color: var(--text);
  letter-spacing: -0.01em;
}

header.topbar nav {
  display: flex;
  gap: 4px;
}

header.topbar nav a {
  color: var(--text-muted);
  text-decoration: none;
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 13.5px;
}

header.topbar nav a:hover { background: var(--bg); color: var(--text); }
header.topbar nav a.active { background: var(--accent-light); color: var(--accent); font-weight: 600; }

main {
  max-width: 1180px;
  margin: 0 auto;
  padding: 28px 24px 64px;
}

h1 { font-size: 20px; font-weight: 600; margin: 0 0 4px; letter-spacing: -0.01em; }
h2 { font-size: 15px; font-weight: 600; margin: 32px 0 12px; }
p.lede { color: var(--text-muted); margin: 0 0 24px; font-size: 13.5px; }

.stat-row { display: flex; gap: 12px; margin-bottom: 28px; flex-wrap: wrap; }
.stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 18px;
  min-width: 140px;
}
.stat .num { font-family: var(--mono); font-size: 22px; font-weight: 600; }
.stat .label { color: var(--text-muted); font-size: 12px; margin-top: 2px; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px 22px;
  margin-bottom: 20px;
}
.card h3 { font-size: 14px; font-weight: 600; margin: 0 0 4px; }
.card p.desc { color: var(--text-muted); font-size: 12.5px; margin: 0 0 14px; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
thead th {
  text-align: left;
  font-weight: 600;
  color: var(--text-muted);
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  border-bottom: 1px solid var(--border);
  padding: 6px 10px;
}
tbody td {
  padding: 7px 10px;
  border-bottom: 1px solid var(--bg);
  font-family: var(--mono);
}
tbody td.text { font-family: var(--sans); }
tbody tr:hover { background: var(--bg); }

.pill {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  font-family: var(--sans);
}
.pill.warehouse { background: var(--accent-light); color: var(--accent); }
.pill.branch { background: var(--warn-light); color: var(--warn); }
.pill.protected { background: var(--warn-light); color: var(--warn); }
.pill.no_stock { background: var(--danger-light); color: var(--danger); }

input[type=file], input[type=date], input[type=text], input[type=number] {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 7px 10px;
  font-size: 13px;
  font-family: var(--sans);
  background: var(--surface);
  width: 100%;
}

label { font-size: 12.5px; font-weight: 600; color: var(--text-muted); display: block; margin-bottom: 5px; }
.field { margin-bottom: 14px; }

button, .btn {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 9px 16px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--sans);
}
button:hover, .btn:hover { opacity: 0.9; }
.btn.secondary { background: var(--surface); color: var(--text); border: 1px solid var(--border); }

.flash {
  padding: 10px 14px;
  border-radius: 6px;
  margin-bottom: 16px;
  font-size: 13px;
}
.flash.success { background: var(--ok-light); color: var(--ok); }
.flash.warning { background: var(--warn-light); color: var(--warn); }
.flash.error { background: var(--danger-light); color: var(--danger); }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.config-row { display: flex; align-items: center; justify-content: space-between; padding: 12px 0; border-bottom: 1px solid var(--bg); gap: 20px; }
.config-row .meta { flex: 1; }
.config-row .meta .key { font-family: var(--mono); font-size: 12px; color: var(--text-muted); }
.config-row .meta .label { font-weight: 600; font-size: 13.5px; }
.config-row .meta .desc { font-size: 12px; color: var(--text-muted); margin-top: 2px; }
.config-row form { display: flex; gap: 8px; align-items: center; flex-shrink: 0; }
.config-row input { width: 160px; }

code.inline { font-family: var(--mono); background: var(--bg); padding: 1px 6px; border-radius: 4px; font-size: 12.5px; }
.muted { color: var(--text-muted); }

/* ---- Settings pages ---- */
select {
  border: 1px solid var(--border); border-radius: 6px; padding: 7px 10px; font-size: 13px;
  font-family: var(--sans); background: var(--surface); color: var(--text);
}
input[type=checkbox] { width: 17px; height: 17px; accent-color: var(--accent); cursor: pointer; vertical-align: middle; }
.tabs { display: flex; flex-wrap: wrap; gap: 4px; border-bottom: 1px solid var(--border); margin: 0 0 22px; }
.tabs a { padding: 9px 14px; font-size: 13.5px; color: var(--text-muted); text-decoration: none;
  border-bottom: 2px solid transparent; margin-bottom: -1px; }
.tabs a:hover { color: var(--text); }
.tabs a.active { color: var(--accent); border-bottom-color: var(--accent); font-weight: 600; }
.group-title { font-size: 12px; font-weight: 700; color: var(--text-muted); text-transform: uppercase;
  letter-spacing: .04em; margin: 0 0 6px; }
.setting { display: flex; align-items: flex-start; justify-content: space-between; gap: 24px;
  padding: 13px 0; border-bottom: 1px solid var(--bg); }
.setting:last-child { border-bottom: none; }
.setting .what { flex: 1; min-width: 0; }
.setting .what .name { font-weight: 600; font-size: 13.5px; }
.setting .what .help { font-size: 12.3px; color: var(--text-muted); margin-top: 3px; max-width: 640px; }
.setting .control { flex: 0 0 230px; display: flex; align-items: center; gap: 8px; justify-content: flex-end; }
.setting .control input[type=number] { width: 100px; text-align: right; }
.setting .control .unit { font-size: 12px; color: var(--text-muted); }
.setting.off { opacity: .45; }
.checks { display: flex; flex-wrap: wrap; gap: 6px 14px; max-width: 340px; justify-content: flex-start; }
.checks label { font-weight: 500; color: var(--text); display: flex; align-items: center; gap: 5px; margin: 0; font-size: 12.5px; }
.actions { display: flex; gap: 10px; align-items: center; margin-top: 8px; flex-wrap: wrap; }
.actions .spacer { flex: 1; }
.btn.danger { background: var(--surface); color: var(--danger); border: 1px solid var(--danger-light); }
.grid th, .grid td { text-align: center; }
.grid td.text, .grid th.left { text-align: left; }
.grid input[type=number] { width: 84px; text-align: right; }
.grid .changed { background: var(--warn-light); }
.note { background: var(--accent-light); color: var(--accent); border-radius: 6px; padding: 10px 14px;
  font-size: 12.5px; margin-bottom: 16px; }
.warnbox { background: var(--warn-light); color: var(--warn); border-radius: 6px; padding: 10px 14px; font-size: 12.5px; margin-bottom: 16px; }
.rules td { vertical-align: top; font-family: var(--sans); }
.rules select, .rules input[type=text] { width: 100%; min-width: 90px; font-size: 12.5px; padding: 5px 6px; }
.rules input.small { width: 56px; }
.rules tr.inactive td { opacity: .5; }
.rules tr.newrow td { background: #fafbf9; }
.kv td { font-family: var(--sans); }
@media (max-width: 800px) { .setting { flex-direction: column; } .setting .control { justify-content: flex-start; flex: none; } }
.setting.off .control { opacity:.5; }

/* sign-in, users, view-only */
.usermenu { margin-left: auto; display: flex; align-items: center; gap: 14px; font-size: 13px; }
.usermenu a { color: var(--text); text-decoration: none; }
.rolechip { background: var(--accent-light); color: var(--accent); border-radius: 10px; padding: 1px 8px; font-size: 11.5px; font-weight: 600; margin-left: 4px; }
.linkbtn { background: none; border: none; color: var(--text-muted); cursor: pointer; font-size: 13px; padding: 0; text-decoration: underline; }
.viewonly-note { background: var(--warn-light); color: var(--warn); border-radius: 6px; padding: 6px 10px; font-size: 12.5px; margin-bottom: 10px; }
form.view-only { opacity: .6; }