:root {
  --bg: #f4f6f8; --card: #fff; --text: #1c2430; --muted: #6b7686; --line: #e1e6ec;
  --primary: #2563eb; --primary-d: #1d4ed8; --danger: #dc2626; --warn: #d97706; --ok: #16a34a;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12161c; --card: #1b212a; --text: #e6eaf0; --muted: #94a0b2; --line: #2b3441;
    --primary: #4f8bff; --primary-d: #6b9eff; --danger: #f06666; --warn: #f0a640; --ok: #4ade80;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
body { margin: 0; font: 14px/1.45 system-ui, sans-serif; background: var(--bg); color: var(--text); }
h1 { font-size: 1.4rem; margin: 0 0 1rem; }
h2 { font-size: 1.05rem; margin: 0 0 .6rem; }
.layout { display: grid; grid-template-columns: 210px 1fr; min-height: 100vh; }
nav { background: var(--card); border-right: 1px solid var(--line); padding: 1rem .7rem; display: flex; flex-direction: column; gap: 2px; position: sticky; top: 0; height: 100vh; overflow-y: auto; }
nav .brand { display: flex; align-items: center; gap: .65rem; padding: .2rem .5rem 1rem; }
nav .brand-logo { width: 36px; height: 36px; border-radius: 10px; background: var(--primary); color: #fff; display: grid; place-items: center; flex: none; }
nav .brand-logo .ico { width: 20px; height: 20px; }
nav .brand-name { font-weight: 700; font-size: 1.05rem; line-height: 1.15; display: flex; flex-direction: column; }
nav .brand-name small { font-weight: 400; color: var(--muted); font-size: .72rem; }
nav .nav-group { display: flex; flex-direction: column; gap: 2px; margin-bottom: .6rem; }
nav .nav-label { color: var(--muted); font-size: .68rem; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; padding: .3rem .7rem; }
nav a { display: flex; align-items: center; gap: .65rem; padding: .55rem .7rem; border-radius: 8px; color: var(--text); text-decoration: none; cursor: pointer; }
nav a .ico { color: var(--muted); }
nav a:hover { background: var(--bg); }
nav a:hover .ico { color: var(--text); }
nav a.active { background: var(--primary); color: #fff; }
nav a.active .ico { color: #fff; }
nav #logout:hover { color: var(--danger); }
nav #logout:hover .ico { color: var(--danger); }
nav .spacer { flex: 1; }
nav .who { display: flex; align-items: center; gap: .6rem; padding: .6rem .5rem; border-top: 1px solid var(--line); margin-top: .5rem; }
nav .avatar { width: 32px; height: 32px; border-radius: 50%; background: var(--bg); border: 1px solid var(--line); color: var(--primary); font-weight: 700; display: grid; place-items: center; flex: none; }
nav .who-text { display: flex; flex-direction: column; min-width: 0; line-height: 1.2; }
nav .who-text b { font-size: .85rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
nav .who-text small { color: var(--muted); font-size: .72rem; }
.ico { width: 18px; height: 18px; flex: none; vertical-align: -3px; }
main { padding: 1.5rem; min-width: 0; }
.page-head { display: flex; align-items: center; gap: .85rem; margin-bottom: 1.2rem; flex-wrap: wrap; }
.page-head .ph-icon { width: 44px; height: 44px; border-radius: 12px; background: color-mix(in srgb, var(--primary) 14%, transparent); color: var(--primary); display: grid; place-items: center; flex: none; }
.page-head .ph-icon .ico { width: 22px; height: 22px; }
.page-head .ph-text { flex: 1; min-width: 180px; }
.page-head h1 { margin: 0; line-height: 1.2; }
.page-head p { margin: 0; font-size: .85rem; }
.ph-actions { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; }
.section-title { color: var(--muted); font-size: .72rem; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; margin: .2rem 0 .5rem; }
.card-title { display: flex; align-items: center; gap: .5rem; }
.card-title .ico { color: var(--primary); }
.stat { display: flex; align-items: center; gap: .85rem; --tone: var(--primary); }
.stat-ico { width: 42px; height: 42px; border-radius: 11px; display: grid; place-items: center; flex: none; background: color-mix(in srgb, var(--tone) 15%, transparent); color: var(--tone); }
.stat-ico .ico { width: 22px; height: 22px; }
.stat.blue { --tone: var(--primary); } .stat.green { --tone: var(--ok); } .stat.red { --tone: var(--danger); }
.stat.violet { --tone: #8b5cf6; } .stat.teal { --tone: #0d9488; }
.stat-body { min-width: 0; }
button, .btn { display: inline-flex; align-items: center; justify-content: center; gap: .4rem; text-decoration: none; }
button .ico, .btn .ico { width: 16px; height: 16px; vertical-align: 0; }
button.small .ico { width: 14px; height: 14px; }
.input-ico { position: relative; display: block; }
.input-ico > .ico { position: absolute; left: .65rem; top: 50%; transform: translateY(-50%); color: var(--muted); pointer-events: none; }
.input-ico > input { padding-left: 2.1rem; }
.bar .input-ico.grow { flex: 1; min-width: 200px; }
.check-pill { display: inline-flex; align-items: center; gap: .4rem; margin: 0; padding: .45rem .8rem; border: 1px solid var(--line); border-radius: 99px; background: var(--card); color: var(--text); font-size: .85rem; cursor: pointer; }
.check-pill input { width: auto; }
.check-pill .ico { width: 15px; height: 15px; color: var(--warn); vertical-align: -2px; }
.role { display: inline-flex; align-items: center; gap: .35rem; }
.role .ico { width: 15px; height: 15px; color: var(--muted); }
.login-logo { width: 52px; height: 52px; border-radius: 14px; background: var(--primary); color: #fff; display: grid; place-items: center; margin: 0 auto .8rem; }
.login-logo .ico { width: 28px; height: 28px; }
.login h1, .login p { text-align: center; }
.empty .ico { width: 36px; height: 36px; opacity: .45; margin-bottom: .4rem; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 1rem; margin-bottom: 1rem; }
.grid { display: grid; gap: .8rem; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); margin-bottom: 1rem; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: .9rem 1rem; }
.stat .label { color: var(--muted); font-size: .8rem; }
.stat .value { font-size: 1.35rem; font-weight: 700; margin-top: .2rem; }
.bar { display: flex; gap: .6rem; flex-wrap: wrap; align-items: center; margin-bottom: 1rem; }
.bar .grow { flex: 1; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: .55rem .6rem; border-bottom: 1px solid var(--line); white-space: nowrap; }
td.wrap { white-space: normal; }
th { color: var(--muted); font-weight: 600; font-size: .78rem; text-transform: uppercase; letter-spacing: .03em; }
tr[hidden] { display: none; }
th.fh { cursor: pointer; user-select: none; }
th.fh::after { content: ' ▾'; opacity: .5; }
th.fh:hover { color: var(--text); }
th.fh.active { color: var(--primary); }
th.fh.active::after { content: ' ▾●'; opacity: 1; }
.fpop { position: fixed; z-index: 100; width: 250px; background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: .6rem; box-shadow: 0 8px 24px rgba(0,0,0,.25); text-transform: none; letter-spacing: 0; font-weight: 400; font-size: .85rem; color: var(--text); }
.fpop input[type=search] { margin-bottom: .4rem; }
.fpop .flist { max-height: 220px; overflow-y: auto; border-top: 1px solid var(--line); margin-top: .3rem; padding-top: .3rem; }
.fpop .fitem { display: flex; gap: .5rem; align-items: center; padding: .2rem .1rem; margin: 0; font-size: .85rem; color: var(--text); cursor: pointer; }
.fpop .fitem[hidden] { display: none; }
.fpop .fitem input { width: auto; }
.fpop .actions { margin-top: .6rem; }
td.num, th.num { text-align: right; }
tr.clickable { cursor: pointer; }
tr.clickable:hover td { background: var(--bg); }
button, .btn { font: inherit; padding: .5rem .9rem; border-radius: 8px; border: 1px solid var(--line); background: var(--card); color: var(--text); cursor: pointer; }
button:hover { border-color: var(--primary); }
button.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
button.primary:hover { background: var(--primary-d); }
button.danger { color: var(--danger); }
button.small { padding: .25rem .55rem; font-size: .8rem; }
input, select, textarea { font: inherit; width: 100%; padding: .5rem .6rem; border-radius: 8px; border: 1px solid var(--line); background: var(--card); color: var(--text); }
dialog input[type=text], dialog textarea { text-transform: uppercase; }
dialog input[name=username] { text-transform: none; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--primary); outline-offset: -1px; }
label { display: block; font-size: .8rem; color: var(--muted); margin-bottom: .2rem; }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: .7rem; }
.form-grid .full { grid-column: 1 / -1; }
.actions { display: flex; gap: .5rem; justify-content: flex-end; margin-top: 1rem; }
.badge { display: inline-block; padding: .1rem .5rem; border-radius: 99px; font-size: .75rem; font-weight: 600; background: var(--bg); border: 1px solid var(--line); }
.badge.low { color: var(--warn); border-color: var(--warn); }
.badge.out, .badge.cancelada { color: var(--danger); border-color: var(--danger); }
.badge.in, .badge.ativa { color: var(--ok); border-color: var(--ok); }
.muted { color: var(--muted); }
.pos { color: var(--ok); } .neg { color: var(--danger); }
dialog { border: 1px solid var(--line); border-radius: 12px; padding: 1.2rem; width: min(640px, 94vw); background: var(--card); color: var(--text); max-height: 92vh; overflow: auto; }
dialog::backdrop { background: rgba(0,0,0,.45); }
.item-row { display: grid; grid-template-columns: 1fr 90px 110px 34px; gap: .4rem; margin-bottom: .4rem; align-items: center; }
.ac { position: relative; }
.aclist { position: absolute; left: 0; right: 0; top: 100%; z-index: 20; background: var(--card); border: 1px solid var(--line); border-radius: 8px; box-shadow: 0 8px 24px rgba(0,0,0,.25); max-height: 260px; overflow-y: auto; min-width: 280px; }
.aclist[hidden] { display: none; }
.acitem { padding: .45rem .6rem; cursor: pointer; display: flex; flex-direction: column; gap: 1px; }
.acitem .muted { font-size: .75rem; }
.acitem.on, .acitem[data-i]:hover { background: var(--bg); }
#toast { position: fixed; bottom: 1.2rem; right: 1.2rem; background: var(--text); color: var(--bg); padding: .7rem 1rem; border-radius: 8px; z-index: 99; max-width: 80vw; }
#toast.err { background: var(--danger); color: #fff; }
.login { max-width: 360px; margin: 12vh auto; padding: 0 1rem; }
.login .card { padding: 1.4rem; }
.login .field { margin-bottom: .8rem; }
.empty { text-align: center; padding: 2rem; color: var(--muted); }
@media (max-width: 760px) {
  .layout { grid-template-columns: 1fr; }
  nav { position: static; height: auto; flex-direction: row; flex-wrap: nowrap; overflow-x: auto; border-right: 0; border-bottom: 1px solid var(--line); padding: .4rem; gap: 2px; }
  nav .brand, nav .who, nav .spacer, nav .nav-label { display: none; }
  nav .nav-group { flex-direction: row; margin: 0; }
  nav a { flex-direction: column; gap: 2px; font-size: .68rem; padding: .4rem .6rem; white-space: nowrap; }
  main { padding: 1rem; }
  .form-grid { grid-template-columns: 1fr; }
  .item-row { grid-template-columns: 1fr 70px 90px 34px; }
  .ph-actions { width: 100%; }
}