:root {
  --bg: #f4f6f9; --surface: #fff; --text: #1b2430; --muted: #657084; --border: #dde2ea;
  --primary: #1f5fbf; --primary-text: #fff; --danger: #c0392b; --warn: #b7791f; --ok: #2f855a;
  --c1: #2f6fdb; --c2: #e08a1e; --c3: #7a5bd1; --c4: #d1495b;
  --side: #14202e; --side-text: #cfd8e3; --side-active: #22344a;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f151c; --surface: #17202a; --text: #e6ebf1; --muted: #93a0b2; --border: #2a3644;
    --primary: #4a8cf0; --primary-text: #08111d; --danger: #ef6a5b; --warn: #e3a94b; --ok: #5ec08b;
    --c1: #5b92f0; --c2: #f0a23c; --c3: #9d83e6; --c4: #ee6f80;
    --side: #0b1117; --side-active: #1a2735;
  }
}
* { box-sizing: border-box; }
body { margin: 0; font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--text); }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 16px; }

.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card { width: 100%; max-width: 360px; display: grid; gap: 12px; }
.login-card h1 { margin: 0; }

.app { display: grid; grid-template-columns: 220px 1fr; min-height: 100vh; }
.sidebar { background: var(--side); color: var(--side-text); display: flex; flex-direction: column; padding: 16px 10px; position: sticky; top: 0; height: 100vh; }
.brand { font-size: 20px; font-weight: 700; padding: 0 10px 16px; color: #fff; }
nav { display: grid; gap: 2px; flex: 1; align-content: start; overflow-y: auto; }
nav a { color: inherit; text-decoration: none; padding: 8px 10px; border-radius: 6px; }
nav a:hover { background: var(--side-active); }
nav a.active { background: var(--side-active); color: #fff; font-weight: 600; }
.sidebar-foot { display: grid; gap: 6px; padding: 10px; }
.main { min-width: 0; }
.topbar { display: flex; align-items: center; gap: 10px; padding: 14px 20px 0; }
.topbar h2 { margin: 0; font-size: 20px; }
#menuBtn { display: none; }
.view { padding: 14px 20px 40px; display: grid; gap: 16px; }

label { display: grid; gap: 4px; font-size: 12px; color: var(--muted); font-weight: 600; }
input, select, textarea { font: inherit; padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px; background: var(--surface); color: var(--text); width: 100%; min-width: 0; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--primary); outline-offset: -1px; }
input[type=checkbox] { width: auto; }
.check { display: flex; align-items: center; gap: 8px; color: var(--text); font-size: 14px; font-weight: 500; padding-top: 18px; }
.btn { font: inherit; padding: 8px 14px; border-radius: 6px; border: 1px solid var(--border); background: var(--surface); color: var(--text); cursor: pointer; }
.btn:hover { border-color: var(--primary); }
.btn.primary { background: var(--primary); color: var(--primary-text); border-color: var(--primary); font-weight: 600; }
.btn.danger { color: var(--danger); }
.btn.small { padding: 4px 10px; font-size: 12px; }
.btn.icon { padding: 4px 10px; }
.sidebar .btn { background: transparent; color: var(--side-text); border-color: #33465c; }
.error { color: var(--danger); min-height: 18px; font-size: 13px; }

.toolbar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.toolbar input, .toolbar select { width: auto; min-width: 160px; }
.toolbar .grow { flex: 1; }
.table-wrap { overflow-x: auto; padding: 0; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 9px 12px; text-align: left; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .03em; position: sticky; top: 0; background: var(--surface); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tbody tr:hover { background: color-mix(in srgb, var(--primary) 6%, transparent); }
tr.clickable { cursor: pointer; }
td.actions { text-align: right; }
td.actions .btn { margin-left: 4px; }
.empty { padding: 28px; text-align: center; color: var(--muted); }

.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; background: color-mix(in srgb, var(--muted) 18%, transparent); color: var(--muted); }
.badge.ok { background: color-mix(in srgb, var(--ok) 18%, transparent); color: var(--ok); }
.badge.warn { background: color-mix(in srgb, var(--warn) 20%, transparent); color: var(--warn); }
.badge.bad { background: color-mix(in srgb, var(--danger) 18%, transparent); color: var(--danger); }

.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; }
.kpi .label { color: var(--muted); font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .03em; }
.kpi .value { font-size: 24px; font-weight: 700; margin-top: 4px; font-variant-numeric: tabular-nums; }
.kpi .sub { color: var(--muted); font-size: 12px; }
.grid2 { display: grid; grid-template-columns: 2fr 1fr; gap: 16px; }
.card h3 { margin: 0 0 10px; font-size: 15px; }
.alerts { display: grid; gap: 6px; max-height: 360px; overflow-y: auto; }
.alert { display: flex; justify-content: space-between; gap: 8px; padding: 8px 10px; border-radius: 6px; border: 1px solid var(--border); border-left: 4px solid var(--warn); }
.alert.vencido { border-left-color: var(--danger); }
.alert .t { font-weight: 600; }
.legend { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 8px; font-size: 12px; color: var(--muted); }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 5px; }
svg.chart { width: 100%; height: auto; display: block; }
svg.chart text { fill: var(--muted); font-size: 10px; }
svg.chart .grid { stroke: var(--border); stroke-width: 1; }

.modal { position: fixed; inset: 0; background: rgba(0,0,0,.5); display: grid; place-items: center; padding: 16px; z-index: 10; }
.modal-box { width: 100%; max-width: 640px; max-height: 92vh; overflow-y: auto; }
.modal-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.modal-head h3 { margin: 0; }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.form-grid .full { grid-column: 1 / -1; }
.form-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 16px; }
.hint { font-size: 12px; color: var(--muted); }
.toast { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); background: var(--text); color: var(--bg); padding: 10px 18px; border-radius: 8px; z-index: 20; }
.toast.err { background: var(--danger); color: #fff; }

@media (max-width: 860px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { position: fixed; z-index: 5; width: 240px; left: -250px; transition: left .2s; }
  .sidebar.open { left: 0; }
  #menuBtn { display: inline-block; }
  .grid2 { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .view, .topbar { padding-left: 12px; padding-right: 12px; }
}