:root {
  --bg: #0f172a;
  --card: #1e293b;
  --border: #334155;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #2563eb;
  --ok: #22c55e;
  --err: #ef4444;
}

* { box-sizing: border-box; }

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

.vista.oculto, .oculto { display: none !important; }

/* ---------- Login ---------- */
#vista-login {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.login-card { width: 340px; }
.login-card h1 { margin: 0 0 4px; font-size: 22px; }
.login-card .sub { margin: 0 0 18px; color: var(--muted); font-size: 13px; }

/* ---------- Cards ---------- */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px;
  margin: 0 auto 16px;
  max-width: 720px;
}
.card h2 { margin: 0 0 14px; font-size: 16px; }
.card h2 small { color: var(--muted); font-weight: normal; font-size: 12px; }

/* ---------- Form ---------- */
label {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 12px;
}
input, select {
  display: block;
  width: 100%;
  margin-top: 5px;
  padding: 9px 10px;
  background: #0b1220;
  border: 1px solid var(--border);
  border-radius: 7px;
  color: var(--text);
  font-size: 14px;
}
input:focus, select:focus { outline: none; border-color: var(--accent); }

.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
.grid .celda, .grid .acciones { grid-column: 1 / -1; }

fieldset.celda {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px 2px;
  margin: 0 0 12px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 16px;
}
fieldset.celda legend { color: var(--muted); font-size: 12px; padding: 0 6px; }

button {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 7px;
  padding: 10px 16px;
  font-size: 14px;
  cursor: pointer;
}
button:hover { filter: brightness(1.1); }
button.ghost { background: transparent; border: 1px solid var(--border); }

.acciones { display: flex; align-items: center; gap: 12px; margin-top: 4px; }

/* ---------- Topbar ---------- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}
.contenido { padding: 0 16px 40px; }

.pill {
  display: inline-block;
  margin-left: 8px;
  padding: 2px 10px;
  border-radius: 999px;
  background: #0b1220;
  border: 1px solid var(--border);
  font-size: 12px;
  color: var(--muted);
}
.pill.super { background: #3b1d5e; border-color: #6d28d9; color: #ddd6fe; }

/* ---------- Mensajes ---------- */
.error { color: var(--err); font-size: 13px; min-height: 16px; }
.ok { color: var(--ok); font-size: 13px; }
.hint { color: var(--muted); font-size: 13px; min-height: 16px; margin: 8px 0 0; }

/* ---------- Tabs ---------- */
.tabs {
  display: flex;
  gap: 4px;
  max-width: 720px;
  margin: 0 auto 16px;
  padding: 0 16px;
}
.tab {
  background: transparent;
  border: 1px solid var(--border);
  border-bottom: none;
  border-radius: 8px 8px 0 0;
  color: var(--muted);
  padding: 9px 18px;
}
.tab.activo { background: var(--card); color: var(--text); border-color: var(--accent); }

/* ---------- Lista de pozos ---------- */
.lista-pozos { list-style: none; padding: 0; margin: 6px 0 12px; }
.lista-pozos li {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 7px;
  margin-bottom: 6px;
  cursor: pointer;
  font-size: 14px;
}
.lista-pozos li:hover { border-color: var(--accent); background: #0b1220; }
.lista-pozos li.vacio { cursor: default; color: var(--muted); }
.lista-pozos li.vacio:hover { border-color: var(--border); background: transparent; }

/* ---------- Checkboxes de dispositivos ---------- */
fieldset.dispositivos { grid-template-columns: 1fr 1fr; }
label.check {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
}
label.check input { width: auto; margin: 0; }

/* ---------- Boton eliminar ---------- */
button.peligro { background: var(--err); }
button.peligro:hover { filter: brightness(1.1); }

/* ---------- Config del pozo ---------- */
#form-configdata fieldset.celda { grid-template-columns: 1fr 1fr; }
#form-configdata .acciones { margin-top: 6px; }

.cp-fila, .sarta-fila {
  display: grid;
  grid-template-columns: auto repeat(4, 1fr);
  gap: 0 12px;
  align-items: end;
  grid-column: 1 / -1;
}
.sarta-fila { grid-template-columns: auto repeat(4, 1fr); }
.cp-nro { color: var(--muted); font-size: 13px; padding-bottom: 12px; }
.sarta-fila label.check { padding-bottom: 12px; }

/* ---------- Monitor ---------- */
#tab-monitor { max-width: 1200px; }
.monitor-controles {
  display: flex; flex-wrap: wrap; align-items: center; gap: 12px;
  max-width: none;
}
.monitor-controles label { margin: 0; color: var(--muted); }
.monitor-controles input[type="datetime-local"] { width: auto; display: inline-block; }
.monitor-cuerpo { display: flex; gap: 16px; align-items: flex-start; padding: 0 16px; }
.monitor-timeline { flex: 1; min-width: 0; max-width: none; margin: 0; }
.monitor-detalle { width: 340px; flex-shrink: 0; margin: 0; min-height: 200px; }
.canvas-wrap { width: 100%; overflow-x: hidden; border: 1px solid var(--border); border-radius: 8px; background: #0b1220; }
#mon-canvas { display: block; width: 100%; cursor: grab; }
#mon-canvas:active { cursor: grabbing; }
.leyenda { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 10px; font-size: 12px; color: var(--muted); }
.leyenda i { display: inline-block; width: 11px; height: 11px; border-radius: 3px; margin-right: 5px; vertical-align: -1px; }

.monitor-detalle h3 { margin: 0 0 2px; font-size: 15px; }
.badge { display: inline-block; padding: 3px 10px; border-radius: 999px; color: #fff; font-size: 12px; font-weight: 600; }
.motivo { font-size: 13px; color: var(--text); margin: 10px 0; }
.paso { border-left: 3px solid var(--border); padding: 6px 0 6px 10px; margin: 8px 0; }
.paso.ok { border-color: var(--ok); }
.paso.fail { border-color: var(--err); }
.paso.na { border-color: var(--border); opacity: 0.6; }
.paso-h { font-size: 13px; font-weight: 600; }
.paso-ico { display: inline-block; width: 16px; }
.paso.ok .paso-ico { color: var(--ok); }
.paso.fail .paso-ico { color: var(--err); }
.paso-body { font-size: 12px; color: var(--muted); margin-top: 2px; }
.paso-body code { color: #fca5a5; word-break: break-word; }

@media (max-width: 820px) {
  .monitor-cuerpo { flex-direction: column; }
  .monitor-detalle { width: 100%; }
}