:root {
  --bg: #f4f6f9;
  --card: #ffffff;
  --border: #e2e6ea;
  --text: #1f2937;
  --muted: #6b7280;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --danger: #dc2626;
  --online: #16a34a;
  --offline: #9ca3af;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: #111827;
  color: #fff;
}

.topbar h1 { font-size: 20px; margin: 0; }
.topbar-nav { display: flex; gap: 16px; }
.nav-link { color: #cbd5e1; text-decoration: none; font-weight: 600; font-size: 14px; }
.nav-link:hover { color: #fff; }
.topbar-actions { display: flex; align-items: center; gap: 12px; }

.container { max-width: 1200px; margin: 24px auto; padding: 0 16px; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  margin-bottom: 20px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, .05);
}

.card h2 { margin-top: 0; font-size: 16px; }

.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th, .table td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.table th { background: #f9fafb; color: var(--muted); font-weight: 600; white-space: nowrap; }
.table tr:last-child td { border-bottom: none; }

.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; word-break: break-all; }
.muted { color: var(--muted); }
.error { color: var(--danger); }

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  color: #fff;
}
.badge-online { background: var(--online); }
.badge-offline { background: var(--offline); }

.btn {
  display: inline-block;
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
  font-size: 14px;
  cursor: pointer;
}
.btn:hover { background: #f3f4f6; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-danger { background: #fff; border-color: var(--danger); color: var(--danger); }
.btn-danger:hover { background: #fef2f2; }
.btn-sm { padding: 4px 10px; font-size: 13px; }

.actions-col { white-space: nowrap; }
.actions-col .btn { margin-right: 6px; }

.summary-actions { margin-top: 14px; display: flex; flex-wrap: wrap; gap: 8px; border-top: 1px solid var(--border); padding-top: 12px; }
.summary-actions .btn { margin: 0; }

.summary-ftp-grid { margin-top: 0; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); }
.summary-block {
  margin-top: 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  background: #fff;
}
.summary-block-title {
  margin: 0 0 10px;
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .04em;
}
.summary-block-none {
  padding: 8px 10px;
  font-size: 13px;
  color: var(--muted);
  background: #f9fafb;
  border-radius: 8px;
}

.tabs {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  background: #eef1f5;
  border-radius: 999px;
  margin-bottom: 18px;
}
.tab {
  padding: 8px 22px;
  border: none;
  border-radius: 999px;
  background: transparent;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
  transition: background .15s, color .15s, box-shadow .15s;
}
.tab:hover { color: var(--primary); }
.tab.active { background: #fff; color: var(--primary); box-shadow: 0 1px 3px rgba(0, 0, 0, .12); }

.partner-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 8px;
  background: #fff;
}
.partner-name { font-weight: 600; }

.modal-subtitle {
  margin: 16px 0 4px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  font-size: 14px;
  color: var(--muted);
}

.filter-bar { display: flex; gap: 10px; margin-bottom: 14px; flex-wrap: wrap; }
.filter-bar input {
  flex: 1;
  min-width: 200px;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
}

/* Grid de cards da listagem de dispositivos */
.device-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}
.device-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, .05);
  display: flex;
  flex-direction: column;
  gap: 12px;
  cursor: pointer;
  transition: border-color .15s, box-shadow .15s;
}
.device-card:hover { border-color: var(--primary); box-shadow: 0 2px 10px rgba(37, 99, 235, .18); }
.device-card-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.device-id { font-size: 16px; font-weight: 700; color: var(--text); }
.device-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 8px 14px;
}
.device-card-grid > div { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.device-card-grid strong { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .03em; }
.device-card-grid span { font-size: 13px; word-break: break-word; }
.device-card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  border-top: 1px solid var(--border);
  padding-top: 10px;
}
.device-card-actions .btn {
  margin: 0;
  flex: 1 1 auto;
  min-width: 0;
  padding: 6px 8px;
  font-size: 12px;
  text-align: center;
  white-space: nowrap;
}
.empty-state { padding: 24px 0; text-align: center; }

/* Cards para as linhas de histórico (Status, Janelas, Comandos, Telemetria) — mobile-first */
.row-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  margin-bottom: 10px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, .04);
}
.row-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}
.row-card-time { font-weight: 700; font-size: 14px; }
.command-type { font-size: 12px; font-weight: 700; color: var(--primary); text-transform: uppercase; letter-spacing: .03em; }
.row-card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 14px;
}
@media (min-width: 720px) {
  .row-card-grid { grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); }
}
.row-card-grid > div { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.row-card-grid strong { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .03em; }
.row-card-grid span { font-size: 13px; word-break: break-word; }
.row-card-grid .span-2 { grid-column: 1 / -1; }

.coords { font-size: 12px; letter-spacing: .01em; }
.coords-link {
  color: var(--primary);
  text-decoration: none;
  cursor: pointer;
  word-break: break-all;
}
.coords-link:hover { text-decoration: underline; }

.power {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  color: #fff;
  width: fit-content;
}
.power-mains { background: var(--online); }
.power-battery { background: #d97706; }

.detail-topbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.detail-topbar .btn { margin: 0; }

.summary-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.summary-head h2 { margin: 0; font-size: 18px; }

.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 10px 20px;
  margin-top: 14px;
}
.summary-grid > div {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 8px 10px;
  background: #f9fafb;
  border-radius: 8px;
  min-width: 0;
}
.summary-grid strong { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .03em; }
.summary-grid span { font-size: 14px; word-break: break-word; }

.link { color: var(--primary); text-decoration: none; font-weight: 600; }
.link:hover { text-decoration: underline; }

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}
.modal-backdrop[hidden] { display: none; }
.modal {
  background: #fff;
  border-radius: 12px;
  padding: 24px;
  width: 420px;
  max-width: 92vw;
}
.modal h2 { margin-top: 0; font-size: 18px; }
.modal label { display: block; margin: 14px 0 6px; font-weight: 600; font-size: 14px; }
.modal input[type="text"], .modal select {
  width: 100%;
  padding: 9px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
}

.range-row { display: flex; align-items: center; gap: 12px; margin: 18px 0; }
.range-row input[type="range"] { flex: 1; }
.range-row output { font-weight: 700; min-width: 70px; text-align: right; }

.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px; }