:root {
  --bg: #0f1419;
  --panel: #1a222c;
  --panel-2: #232d3a;
  --line: #2e3a4a;
  --text: #e8eef5;
  --muted: #93a1b3;
  --accent: #3d9a6a;
  --accent-2: #2f7a54;
  --danger: #c45c5c;
  --warn: #c9a227;
  --ok: #3d9a6a;
  --radius: 10px;
  --font: "IBM Plex Sans", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  min-height: 100%;
}
a { color: #7eb6ff; text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 1.25rem; }
.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1.25rem;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand { font-weight: 700; letter-spacing: 0.02em; }
.nav { display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: center; }
.nav a { color: var(--muted); font-size: 0.92rem; }
.nav a:hover, .nav a.active { color: var(--text); }
.meta { color: var(--muted); font-size: 0.85rem; }
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
}
.card h2, .card h3 { margin: 0 0 0.65rem; font-size: 1rem; }
.muted { color: var(--muted); }
.big { font-size: 1.6rem; font-weight: 700; }
.btn {
  display: inline-block;
  border: 0;
  border-radius: 8px;
  padding: 0.55rem 0.9rem;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
}
.btn:hover { background: var(--accent-2); }
.btn.ghost {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--text);
}
.btn.danger { background: var(--danger); }
.btn.sm { padding: 0.35rem 0.6rem; font-size: 0.85rem; }
input, select, textarea {
  width: 100%;
  background: var(--panel-2);
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 8px;
  padding: 0.55rem 0.7rem;
  font: inherit;
}
label { display: block; font-size: 0.85rem; color: var(--muted); margin-bottom: 0.3rem; }
.field { margin-bottom: 0.9rem; }
.flash {
  padding: 0.7rem 0.9rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  border: 1px solid var(--line);
}
.flash.ok { background: rgba(61,154,106,.15); border-color: var(--ok); }
.flash.erro { background: rgba(196,92,92,.15); border-color: var(--danger); }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
th, td {
  text-align: left;
  padding: 0.55rem 0.45rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
th { color: var(--muted); font-weight: 600; }
.login-box {
  max-width: 400px;
  margin: 12vh auto;
}
.chart-wrap {
  position: relative;
  max-width: 280px;
  margin: 0 auto;
}
.row-actions { display: flex; gap: 0.4rem; flex-wrap: wrap; align-items: end; }
.row-actions form { display: flex; gap: 0.35rem; align-items: end; margin: 0; }
.row-actions input[type="date"],
.row-actions input[type="text"],
.row-actions select { width: auto; min-width: 140px; }
.badge {
  display: inline-block;
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
  font-size: 0.75rem;
  background: var(--panel-2);
  border: 1px solid var(--line);
}
.badge.online { color: #8fdfb0; border-color: var(--ok); }
.badge.stopped, .badge.ausente, .badge.erro { color: #f0a0a0; border-color: var(--danger); }
.section { margin: 1.4rem 0; }
.hl { outline: 1px solid var(--accent); }
.row-hoje td { background: rgba(61, 154, 106, 0.12); }
.badge.hoje {
  color: #8fdfb0;
  border-color: var(--ok);
  margin-left: 0.35rem;
}
@media (max-width: 720px) {
  .top { flex-direction: column; align-items: flex-start; }
}